Method and device for calling back-up image of rail engineering truck and medium

Abstract

The invention discloses a calling method and device for a reversing image of a rail engineering vehicle and a medium, and relates to the technical field of vehicle safety. Under a single machine working condition, determining a first end position where a current control end is located and a second end position opposite to the first end position according to a control end signal, matching the second end position with end position information of each camera, determining a first target camera, calling a back-up image shot by the first target camera, and pushing the back-up image to a display screen corresponding to the first end position; under the multi-machine reconnection working condition, the third end position where the main control vehicle and the control end are located is recognized according to the control end signal, the reconnection signal is analyzed to obtain the tail vehicle number and the fourth end position where the tail of the tail vehicle is located, the fourth end position and the tail vehicle number are matched with the end position information and the vehicle number information of the cameras, a second target camera is located, and the second target camera is located; calling a shot second reversing image to a display screen corresponding to a third end position of the main control vehicle; the reversing image of the tail camera can be accurately and quickly called under different operation conditions.

Description

Technical Field

[0001] This application relates to the field of vehicle safety technology, and in particular to a method, device and medium for accessing reversing images of a rail engineering vehicle. Background Technology

[0002] In the field of rail engineering, reversing is a crucial aspect of operations, and its safety and convenience are paramount for both construction efficiency and safety. Rail engineering vehicles are typically designed with both ends (End I and End II) as operating terminals, requiring end-switching during actual operations. While this design enhances operational flexibility, it also presents challenges to the control logic of the reversing camera system. The system needs to be able to identify the current operating terminal and seamlessly switch the camera's activation state when switching terminals, ensuring that operators always receive accurate reversing image information. Rail engineering vehicles not only require reliable reversing camera support when operating as a single unit but also frequently operate in dual-unit or multi-unit configurations. In multi-unit configurations, the master control vehicle needs to monitor the reversing image at the rear of the slave control vehicles in real time.

[0003] Currently, the method for accessing reversing images involves sending the reversing images from both ends of each track engineering vehicle to the current control terminal of the main control vehicle. The user then selects the reversing image captured by the rear camera from among multiple reversing images. However, this method has the following drawbacks: engineering vehicles operate in various modes, such as single-unit operation and multi-unit operation, which can easily lead to operators selecting the wrong reversing image; for complex operating conditions involving multiple units operating simultaneously, there are many reversing images, making it difficult to accurately and quickly select the reversing image captured by the rear camera.

[0004] How to accurately and quickly retrieve reversing images captured by the rear camera under different operating conditions is a problem that needs to be solved by those skilled in the art. Summary of the Invention

[0005] The purpose of this application is to provide a method, device, and medium for retrieving reversing images of a rail engineering vehicle, which is used to solve the problem that it is difficult for operators to accurately and quickly select reversing images captured by the rear camera.

[0006] To solve the above-mentioned technical problems, this application provides a method for accessing the reversing image of a rail engineering vehicle, including:

[0007] Collect the control terminal signal and travel direction signal of the driver controller of the rail engineering vehicle, as well as the reconnection signal of the reconnection control switch;

[0008] When the driving direction signal indicates reverse mode, the current working mode is determined based on the reconnection signal;

[0009] If the current working mode is a stand-alone operation mode, determine the first end position where the current control terminal is located and the second end position where the stand-alone tail is located based on the control terminal signal;

[0010] The first target camera is determined based on the second end position and the end position information of each camera, and the first reversing image captured by the first target camera is displayed on the screen corresponding to the first end position.

[0011] If the current working mode is the multi-machine reconnection mode, the main control vehicle and the third end position of the current control terminal are determined according to the control terminal signal, and the tail car number and the fourth end position of the tail car are determined according to the reconnection signal.

[0012] The second target camera is determined based on the tail vehicle number, the fourth end position, the end position information of each camera, and the vehicle number information. The second reversing image captured by the second target camera is then displayed on the screen corresponding to the third end position of the main control vehicle.

[0013] Based on the above embodiments, in an optional embodiment, before acquiring the control terminal signal and travel direction signal of the driver controller of the rail engineering vehicle, and the reconnection signal of the reconnection control switch, the method further includes:

[0014] Network addresses are set for the cameras installed at ends I and II of each track engineering vehicle; wherein, the network address includes the vehicle number information and end location information of the camera, and the end location information is end I or end II.

[0015] Based on the above embodiments, in an optional embodiment, displaying the first reversing image captured by the first target camera on the screen corresponding to the first terminal includes:

[0016] If the second terminal is terminal I, a first output signal at a high level and a second output signal at a low level are transmitted to the video host to activate the first target camera corresponding to terminal I, and control the video host to call the first reversing image captured by the first target camera corresponding to terminal I to the display screen corresponding to terminal II.

[0017] If the second terminal is terminal II, a first output signal at a low level and a second output signal at a high level are transmitted to the video host to activate the first target camera corresponding to terminal II, and control the video host to call the first reversing image captured by the first target camera corresponding to terminal II to the display screen corresponding to terminal I.

[0018] Based on the above embodiments, in one optional embodiment, displaying the second reversing image captured by the second target camera on the screen corresponding to the third position of the main control vehicle includes:

[0019] If the fourth terminal is terminal I, a first output signal at a high level and a second output signal at a low level are transmitted to the video host of the tail vehicle according to the tail vehicle number, so as to activate the second target camera corresponding to terminal I of the tail vehicle, control the video host of the tail vehicle to transmit the second reversing image captured by the second target camera corresponding to terminal I to the video host of the main control vehicle, and control the video host of the main control vehicle to call the second reversing image to the display screen corresponding to the third terminal;

[0020] If the fourth terminal is terminal II, a first output signal at a low level and a second output signal at a high level are transmitted to the video host of the tail vehicle according to the tail vehicle number, so as to activate the second target camera corresponding to terminal II of the tail vehicle, and control the video host of the tail vehicle to transmit the second reversing image captured by the second target camera corresponding to terminal II to the video host of the main control vehicle, and control the video host of the main control vehicle to call the second reversing image to the display screen corresponding to the third terminal.

[0021] Based on the above embodiments, in an optional embodiment, before determining the current operating mode based on the reconnection signal, the method further includes:

[0022] Determine whether there is only one occupied terminal based on the control terminal signal;

[0023] If so, proceed to the step of determining the current working mode based on the reconnection signal;

[0024] If not, generate an alarm message.

[0025] Based on the above embodiments, in an optional embodiment, if the current working mode is a multi-machine reconnection mode, it further includes:

[0026] The vehicle numbers of all coupled vehicles are arranged in the connection order on the display screen of the main control vehicle to obtain the vehicle number arrangement order.

[0027] Based on the above embodiments, in an optional embodiment, if the current working mode is a multi-machine reconnection mode, after displaying the second reversing image captured by the second target camera on the screen corresponding to the third position of the main control vehicle, the method further includes:

[0028] The target vehicle connected to the last vehicle is determined according to the order of the vehicle numbers;

[0029] Activate the third target camera corresponding to the target vehicle, and send the video data captured by the third target camera to the display screen corresponding to the third end of the main control vehicle;

[0030] The third target camera is located on both sides of the target vehicle.

[0031] This application also provides a device for recalling the reversing image of a rail engineering vehicle, including:

[0032] The data acquisition module is used to acquire the control terminal signals and travel direction signals of the driver controller of the rail engineering vehicle, as well as the reconnection signal of the reconnection control switch.

[0033] The first determining module is used to determine the current working mode based on the reconnection signal when the driving direction signal indicates reversing mode;

[0034] The second determining module is used to determine the first end position of the current control terminal and the second end position of the single-machine tail based on the control terminal signal if the current working mode is a stand-alone operation mode.

[0035] The first calling module is used to determine the first target camera based on the second end position and the end position information of each camera, and call the first reversing image captured by the first target camera to the display screen corresponding to the first end position.

[0036] The third determining module is used to determine the main control vehicle and the third end position of the current control terminal based on the control terminal signal if the current working mode is a multi-machine reconnection mode, and to determine the tail car number and the fourth end position of the tail car based on the reconnection signal.

[0037] The second calling module is used to determine the second target camera based on the tail vehicle number, the fourth end position, the end position information of each camera and the vehicle number information, and call the second reversing image captured by the second target camera to the display screen corresponding to the third end position of the main control vehicle.

[0038] This application also provides a device for recalling the reversing image of a rail engineering vehicle, including a memory for storing a computer program;

[0039] A processor is used to execute the computer program to implement the steps of the method for calling the reversing image of the track engineering vehicle.

[0040] This application also provides a computer-readable storage medium storing a computer program, which, when executed by a processor, implements the steps of the method for calling the reversing image of the rail engineering vehicle.

[0041] This application provides a method for retrieving reversing images of a rail engineering vehicle, comprising: acquiring the control terminal signal and driving direction signal of the driver controller of the rail engineering vehicle, as well as the reconnection signal of the reconnection control switch; when the driving direction signal indicates reversing mode, determining the current working mode based on the reconnection signal; and initiating the retrieval process when the driving direction signal confirms reversing mode. If the current working mode is a single-machine operation mode, determining the first end position of the current control terminal and the second end position of the single machine tail based on the control terminal signal; determining the first target camera based on the second end position and the end position information of each camera, and retrieving the first reversing image captured by the first target camera to the display screen corresponding to the first end position; automatically determining the first end position of the current control terminal and its opposite second end position based on the control terminal signal, and accurately locking the single machine tail camera by directly matching the second end position with the pre-stored end position information of each camera, and automatically pushing the first reversing image captured by it to the display screen corresponding to the first end position, without the need for manual selection. If the current operating mode is multi-unit coupled mode, the main control vehicle and third end position of the current control terminal are determined based on the control terminal signal, and the tail vehicle number and the fourth end position of the tail vehicle's rear are determined based on the coupled signal. The second target camera is determined based on the tail vehicle number, the fourth end position, the end position information of each camera, and the vehicle number information. The second reversing image captured by the second target camera is then displayed on the screen corresponding to the third end position of the main control vehicle. During the display process, the fourth end position, the tail vehicle number, and the camera's end position information and vehicle number information are matched to accurately locate the tail vehicle's rear camera as the second target camera. The second reversing image captured by the camera is automatically displayed on the screen corresponding to the third end position of the main control vehicle. The introduction of vehicle number information ensures accurate identification of the tail vehicle in the coupled vehicle group, avoiding end position confusion. Throughout the process, the reversing mode is triggered, the reconnection signal automatically identifies the operating conditions, the control terminal signal determines the position information, the position information is matched with the positioning camera, and the multi-machine mode introduces vehicle number information to eliminate recognition ambiguity. This enables the accurate and rapid recall of reversing images captured by the rear camera under different operating conditions, effectively solving the problem of image misjudgment during operation terminal changes and reconnection operations, and improving reversing safety and ease of operation.

[0042] The beneficial effects and methods of the device and medium for recalling the reversing image of a track engineering vehicle provided in this application are as described above. Attached Figure Description

[0043] To more clearly illustrate the embodiments of this application, the accompanying drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0044] Figure 1A flowchart illustrating a method for retrieving a reversing image of a track engineering vehicle, provided in an embodiment of this application;

[0045] Figure 2 A first control circuit diagram of a track engineering vehicle provided in this application embodiment;

[0046] Figure 3 A second control circuit diagram of a track engineering vehicle provided in an embodiment of this application;

[0047] Figure 4 A structural diagram of a device for recalling the reversing image of a track engineering vehicle provided in an embodiment of this application;

[0048] Figure 5 A structural diagram of another device for recalling the reversing image of a track engineering vehicle provided in an embodiment of this application. Detailed Implementation

[0049] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this application.

[0050] The core of this application is to provide a method, device, and medium for retrieving reversing images of a rail engineering vehicle, which can accurately and quickly retrieve reversing images captured by a rear camera under different operating conditions.

[0051] To enable those skilled in the art to better understand the present application, the present application will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0052] Figure 1 A flowchart illustrating a method for retrieving reversing images of a rail engineering vehicle, as provided in this application embodiment, is shown below. Figure 1 As shown, the methods for accessing the reversing image of the rail engineering vehicle include:

[0053] S10: Collects the control terminal signal and travel direction signal of the driver controller of the rail engineering vehicle, as well as the reconnection signal of the reconnection control switch.

[0054] S11: When the driving direction signal indicates reverse mode, determine the current working mode based on the reconnection signal.

[0055] S12: If the current working mode is stand-alone operation mode, determine the first end position of the current control terminal and the second end position of the stand-alone tail based on the control terminal signal.

[0056] S13: Determine the first target camera based on the second end position and the end position information of each camera, and display the first reversing image captured by the first target camera on the display screen corresponding to the first end position.

[0057] S14: If the current working mode is multi-machine reconnection mode, determine the main control vehicle and the third end position where the current control terminal is located according to the control terminal signal, and determine the tail car number and the fourth end position where the tail car is located according to the reconnection signal.

[0058] S15: Determine the second target camera based on the tail vehicle number, the fourth end position, the end position information of each camera, and the vehicle number information, and call the second reversing image captured by the second target camera to the display screen corresponding to the third end position of the main control vehicle.

[0059] To facilitate understanding, the relevant control circuits of the rail engineering vehicle are described below. Figure 2 This application provides a first control circuit diagram for a track engineering vehicle. Figure 3 A second control circuit diagram of a track engineering vehicle provided in this application embodiment is shown below. Figure 2 As shown, the power supply serves as the main power source, with two main outputs: the first is directly connected to the input terminal of the multiple-connection control switch, providing independent power to the switch; the second is directly connected to the power input terminal of the driver controller, ensuring the driver controller is always operational. The multiple-connection control switch is connected to the acquisition ports of input signal 1 and input signal 2 of the CCU (Central Control Unit for Engineering Vehicles). The driver controller's operating signals are connected to the acquisition port of input signal 3 of the CCU, the forward signal of the driver controller is connected to the acquisition port of input signal 4 of the CCU, and the backward signal of the driver controller is connected to the acquisition port of input signal 5 of the CCU. Figure 3 As shown, in a track engineering vehicle, the output ports of CCU output signal 1 and output signal 2 are connected to the video host. The video host is connected to display screen I, display screen II, camera I, and camera II, respectively. In the multi-vehicle linkage mode, the CCUs of each engineering vehicle are interconnected, and the video hosts of each engineering vehicle are interconnected.

[0060] In step S10, the control terminal signal and driving direction signal of the driver controller of the rail engineering vehicle, as well as the reconnection signal of the reconnection control switch, can be collected in real time.

[0061] In step S11, if the CCU receives a backward driving direction signal, it indicates that the current mode is reverse. If it is a multi-vehicle reconnection mode, the received reconnection signals include the activation signals of the front button and the rear button of a certain engineering vehicle. If these signals are not received, it indicates that the mode is single-vehicle operation.

[0062] In step S12, if the current operating mode is single-machine operation mode, the end from which the control signal is issued is the current control end. For example: if the control signal is issued from end I of the track engineering vehicle, the first end where the current control end is located is end I, and the second end where the tail of the single machine is located is end II; if the control signal is issued from end II of the track engineering vehicle, the first end where the current control end is located is end II, and the second end where the tail of the single machine is located is end I.

[0063] In step S13, the first target camera is the camera at the rear of the engineering vehicle at this moment. Regarding how to determine the first target camera based on the second end position and the end position information of each camera, the following example is given: If the second end position is end I, the first target camera is determined to be the camera installed at end I; if the second end position is end II, the first target camera is determined to be the camera installed at end II.

[0064] The method of displaying the first reversing image captured by the first target camera to the display screen corresponding to the first end includes: if the second end is end I, transmitting a first output signal of high level and a second output signal of low level to the video host to activate the first target camera corresponding to end I, and controlling the video host to display the first reversing image captured by the first target camera corresponding to end I to the display screen corresponding to end II; if the second end is end II, transmitting a first output signal of low level and a second output signal of high level to the video host to activate the first target camera corresponding to end II, and controlling the video host to display the first reversing image captured by the first target camera corresponding to end II to the display screen corresponding to end I.

[0065] In step S14, if the current working mode is multi-machine reconnection mode, the following example illustrates how to determine the main control car and third terminal position of the current control terminal based on the control terminal signal, and how to determine the tail car number and the fourth terminal position of the tail car based on the reconnection signal: If the control terminal signal is issued from terminal I of track engineering car No. 2, and the connection signal of the tail end button in the reconnection signal is issued from terminal I of track engineering car No. 5, the main control car is track engineering car No. 2, the third terminal position is terminal I of track engineering car No. 2, the tail car number is No. 5, and the fourth terminal position of the tail car is terminal I. If the control terminal signal is issued from terminal I of track engineering car No. 1, and the connection signal of the tail end button in the reconnection signal is issued from terminal II of track engineering car No. 3, the main control car is track engineering car No. 1, the third terminal position is terminal I of track engineering car No. 1, the tail car number is No. 3, and the fourth terminal position of the tail car is terminal II.

[0066] In step S15, regarding how to determine the second target camera based on the tail vehicle number, the fourth end position, the end position information of each camera, and the vehicle number information, the following example illustrates this: The tail vehicle number is 5, the fourth end position is end I, and the second target camera is the camera installed at end I of engineering vehicle 5.

[0067] The process of displaying the second reversing image captured by the second target camera to the display screen corresponding to the third terminal of the main control vehicle includes: if the fourth terminal is terminal I, transmitting a first output signal at a high level and a second output signal at a low level to the video host of the tail vehicle according to the tail vehicle's license plate number, thereby activating the second target camera corresponding to terminal I of the tail vehicle, controlling the video host of the tail vehicle to transmit the second reversing image captured by the second target camera corresponding to terminal I to the video host of the main control vehicle, and controlling the video host of the main control vehicle to display the second reversing image to the display screen corresponding to the third terminal; if the fourth terminal is terminal II, transmitting a first output signal at a low level and a second output signal at a high level to the video host of the tail vehicle according to the tail vehicle's license plate number, thereby activating the second target camera corresponding to terminal II of the tail vehicle, controlling the video host of the tail vehicle to transmit the second reversing image captured by the second target camera corresponding to terminal II to the video host of the main control vehicle, and controlling the video host of the main control vehicle to display the second reversing image to the display screen corresponding to the third terminal.

[0068] Before step S10, i.e., before acquiring the control terminal signal and driving direction signal of the driver controller of the rail engineering vehicle, and the reconnection signal of the reconnection control switch, the process also includes: setting network addresses for the cameras installed at ends I and II of each rail engineering vehicle; wherein, the network address includes the vehicle number information and end position information of the camera, and the end position information is end I or end II. Before the system is put into use, a unique network address (such as an IP address) is assigned to the cameras at ends I and II of each engineering vehicle. Two key pieces of information are embedded in the address encoding structure: vehicle number information: identifying the vehicle to which the camera belongs (such as vehicle 01, vehicle 02); end position information: identifying the installation location of the camera (end I or end II). When reversing images are called up later, the corresponding camera can be quickly activated directly through the target vehicle number and target end position without manual intervention. The uniqueness of the address ensures that the image will not be incorrect due to confusion of camera numbers.

[0069] Before step S11, i.e., before determining the current working mode based on the reconnection signal, the process also includes: determining whether only one terminal is occupied based on the control terminal signal; if so, proceeding to the step of determining the current working mode based on the reconnection signal; if not, generating an alarm message. Only after confirming a single occupied terminal can the subsequent working mode determination proceed. If multiple control terminals are detected occupying the system simultaneously, an alarm message is immediately generated to prevent the reversing image from being invoked. This design effectively prevents erroneous image switching due to control terminal conflicts or signal failures, improving system safety.

[0070] Based on the above embodiments, if the current working mode in this application is a multi-unit coupled mode, the method further includes: arranging the vehicle numbers of all coupled vehicles in connection order on the display screen of the main control vehicle to obtain the vehicle number arrangement order. The vehicle numbers of all coupled vehicles can be displayed on the display screen in a graphical list format according to the physical connection order (e.g., front of the vehicle → rear of the vehicle), forming a vehicle formation diagram. The driver can intuitively confirm the correctness of the coupled formation connection, preventing incorrect coupling leading to misadjustment of images.

[0071] Based on the above embodiments, in this application, if the current working mode is a multi-machine reconnection mode, after calling the second reversing image captured by the second target camera to the display screen corresponding to the third end of the main control vehicle, the method further includes: determining the target slave vehicle connected to the tail vehicle according to the vehicle number arrangement order; activating the third target camera corresponding to the target slave vehicle, and calling the video data captured by the third target camera to the display screen corresponding to the third end of the main control vehicle; wherein, the third target camera is set on both sides of the target slave vehicle. This design compensates for the limitations of a single tail camera in terms of side view, helping the driver to observe obstacles and clearance conditions on the side of the tail vehicle; in complex scenarios such as reversing on curves and platform operations, it monitors the relative positions between vehicles to prevent side scraping; the side image can detect potential hazards about to enter the tail vehicle's driving path in advance, providing earlier safety warnings.

[0072] In the switching mode, the control terminal signal of the engineering vehicle will change. After the CCU recognizes the control terminal signal, it will reselect the camera according to the new control terminal position and send the signal to the video host. According to the instructions of the CCU, the video host will quickly switch to the corresponding reversing mode, activate the corresponding camera, and display the reversing image on the display screen of the main control vehicle. The control logic is the same as that in the single-machine mode and the multi-machine reconnection mode.

[0073] This application provides a method for recalling reversing images of a rail engineering vehicle, comprising: acquiring the control terminal signal and driving direction signal of the driver controller of the rail engineering vehicle, as well as the reconnection signal of the reconnection control switch; when the driving direction signal indicates reversing mode, determining the current working mode based on the reconnection signal; and initiating the recall process when the driving direction signal confirms reversing mode. If the current working mode is a single-machine operation mode, determining the first end position of the current control terminal and the second end position of the single machine tail based on the control terminal signal; determining the first target camera based on the second end position and the end position information of each camera, and recalling the first reversing image captured by the first target camera to the display screen corresponding to the first end position; automatically determining the first end position of the current control terminal and its opposite second end position based on the control terminal signal, and accurately locking the single machine tail camera by directly matching the second end position with the pre-stored end position information of each camera, and automatically pushing the first reversing image captured by it to the display screen corresponding to the first end position, without the need for manual selection. If the current operating mode is multi-unit coupled mode, the main control vehicle and third end position of the current control terminal are determined based on the control terminal signal, and the tail vehicle number and the fourth end position of the tail vehicle's rear are determined based on the coupled signal. The second target camera is determined based on the tail vehicle number, the fourth end position, the end position information of each camera, and the vehicle number information. The second reversing image captured by the second target camera is then displayed on the screen corresponding to the third end position of the main control vehicle. During the display process, the fourth end position, the tail vehicle number, and the camera's end position information and vehicle number information are matched to accurately locate the tail vehicle's rear camera as the second target camera. The second reversing image captured by the camera is automatically displayed on the screen corresponding to the third end position of the main control vehicle. The introduction of vehicle number information ensures accurate identification of the tail vehicle in the coupled vehicle group, avoiding end position confusion. Throughout the process, the reversing mode is triggered, the reconnection signal automatically identifies the operating conditions, the control terminal signal determines the position information, the position information is matched with the positioning camera, and the multi-machine mode introduces vehicle number information to eliminate recognition ambiguity. This enables the accurate and rapid recall of reversing images captured by the rear camera under different operating conditions, effectively solving the problem of image misjudgment during operation terminal changes and reconnection operations, and improving reversing safety and ease of operation.

[0074] This application achieves automatic and seamless switching of camera status under multiple working conditions by pre-storing camera network addresses (including vehicle number information and terminal location information), ensuring that the driver always obtains the correct real-time rear image, effectively eliminating blind spots and the risk of misoperation, and improving reversing safety and work efficiency. This method achieves real-time monitoring of the environment behind the rail engineering vehicle through video surveillance, providing the driver with accurate and timely reversing guidance, improving the safety of the reversing process, and effectively avoiding accidents caused by blind spots or operational errors. At the same time, it allows the driver to obtain reversing information more intuitively, reducing operational complexity and further improving the flexibility and convenience of reversing operations. It can accurately identify the current operating terminal and automatically switch the camera's activation state when switching operating terminals, ensuring that the operator can always obtain the correct reversing image information, improving the continuity and stability of reversing operations.

[0075] In the above embodiments, the method for retrieving the reversing image of the rail engineering vehicle has been described in detail. This application also provides embodiments corresponding to the device for retrieving the reversing image of the rail engineering vehicle. It should be noted that this application describes the embodiments of the device from two perspectives: one is based on the functional modules, and the other is based on the hardware.

[0076] Figure 4 A structural diagram of a device for recalling the reversing image of a rail engineering vehicle provided in this application embodiment is shown below. Figure 4 As shown, the device for accessing the reversing image of the rail engineering vehicle includes:

[0077] The acquisition module 10 is used to acquire the control terminal signal and travel direction signal of the driver controller of the rail engineering vehicle, as well as the reconnection signal of the reconnection control switch.

[0078] The first determining module 11 is used to determine the current working mode based on the reconnection signal when the driving direction signal indicates reversing mode;

[0079] The second determining module 12 is used to determine the first end position of the current control terminal and the second end position of the tail of the single machine based on the control terminal signal if the current working mode is a stand-alone operation mode.

[0080] The first calling module 13 is used to determine the first target camera based on the second end position and the end position information of each camera, and call the first reversing image captured by the first target camera to the display screen corresponding to the first end position.

[0081] The third determining module 14 is used to determine the main control vehicle and the third end position of the current control terminal based on the control terminal signal if the current working mode is multi-machine reconnection mode, and to determine the tail car number and the fourth end position of the tail car based on the reconnection signal.

[0082] The second calling module 15 is used to determine the second target camera based on the tail vehicle number, the fourth end position, the end position information of each camera and the vehicle number information, and call the second reversing image captured by the second target camera to the display screen corresponding to the third end position of the main control vehicle.

[0083] Based on the above embodiments, in an optional embodiment, it further includes:

[0084] The configuration module is used to set the network address for the cameras installed at end I and end II of each track engineering vehicle; the network address includes the vehicle number information and end location information of the camera, and the end location information is end I or end II.

[0085] Based on the above embodiments, in an optional embodiment, the first calling module includes:

[0086] The first calling unit is used to transmit a first output signal at a high level and a second output signal at a low level to the video host if the second terminal is terminal I, so as to activate the first target camera corresponding to terminal I and control the video host to call the first reversing image captured by the first target camera corresponding to terminal I to the display screen corresponding to terminal II.

[0087] The second calling unit is used to transmit a first output signal at a low level and a second output signal at a high level to the video host if the second terminal is terminal II, so as to activate the first target camera corresponding to terminal II and control the video host to call the first reversing image captured by the first target camera corresponding to terminal II to the display screen corresponding to terminal I.

[0088] Based on the above embodiments, in an optional embodiment, the second calling module includes:

[0089] The third calling unit is used to transmit a first output signal at a high level and a second output signal at a low level to the video host of the tail vehicle according to the tail vehicle number if the fourth terminal is terminal I, so as to activate the second target camera corresponding to terminal I of the tail vehicle, control the video host of the tail vehicle to transmit the second reversing image captured by the second target camera corresponding to terminal I to the video host of the main control vehicle, and control the video host of the main control vehicle to call the second reversing image to the display screen corresponding to the third terminal.

[0090] The fourth calling unit is used to transmit a first output signal at a low level and a second output signal at a high level to the video host of the tail vehicle according to the tail vehicle number if the fourth terminal is terminal II, so as to activate the second target camera corresponding to terminal II of the tail vehicle, and control the video host of the tail vehicle to transmit the second reversing image captured by the second target camera corresponding to terminal II to the video host of the main control vehicle, and control the video host of the main control vehicle to call the second reversing image to the display screen corresponding to the third terminal.

[0091] Based on the above embodiments, in an optional embodiment, it further includes:

[0092] The judgment module is used to determine whether there is only one occupied end based on the control end signal;

[0093] The execution module is used to determine the current working mode based on the reconnection signal if there is only one occupied end.

[0094] The generation module is used to generate alarm notification information if there is more than one occupied end.

[0095] Based on the above embodiments, in an optional embodiment, it further includes:

[0096] The arrangement module is used to arrange the vehicle numbers of all coupled vehicles in the connection order on the display screen of the main control vehicle, thus obtaining the vehicle number arrangement order.

[0097] Based on the above embodiments, in an optional embodiment, it further includes:

[0098] The fourth determination module is used to determine the target vehicle connected to the last vehicle according to the order of vehicle number;

[0099] The activation module is used to activate the third target camera corresponding to the target vehicle and call the video data captured by the third target camera to the display screen corresponding to the third end of the main control vehicle; wherein, the third target camera is set on both sides of the target vehicle.

[0100] Since the embodiments of the apparatus and the embodiments of the method correspond to each other, please refer to the description of the embodiments of the method for the embodiments of the apparatus, which will not be repeated here.

[0101] Figure 5 A structural diagram of another device for recalling the reversing image of a rail engineering vehicle provided in this application embodiment is shown below. Figure 5 As shown, the device for retrieving the reversing image of a rail engineering vehicle includes: a memory 20 for storing a computer program; and a processor 21 for executing the computer program to implement the steps of the method for retrieving the reversing image of a rail engineering vehicle as described in the above embodiment.

[0102] The device for accessing the reversing image of the rail engineering vehicle provided in this embodiment may include, but is not limited to, smartphones, tablets, laptops, or desktop computers.

[0103] The processor 21 may include one or more processing cores, such as a quad-core processor or an octa-core processor. The processor 21 may be implemented using at least one of the following hardware forms: Digital Signal Processor (DSP), Field-Programmable Gate Array (FPGA), or Programmable Logic Array (PLA). The processor 21 may also include a main processor and a coprocessor. The main processor, also known as the Central Processing Unit (CPU), is used to process data in the wake-up state; the coprocessor is a low-power processor used to process data in the standby state. In some embodiments, the processor 21 may integrate a Graphics Processing Unit (GPU), which is responsible for rendering and drawing the content to be displayed on the screen. In some embodiments, the processor 21 may also include an Artificial Intelligence (AI) processor, which handles computational operations related to machine learning.

[0104] The memory 20 may include one or more computer-readable storage media, which may be non-transitory. The memory 20 may also include high-speed random access memory and non-volatile memory, such as one or more disk storage devices or flash memory devices. In this embodiment, the memory 20 is used to store at least the following computer program 201, which, after being loaded and executed by the processor 21, is capable of implementing the relevant steps of the method for recalling the reversing image of the rail engineering vehicle disclosed in any of the foregoing embodiments. In addition, the resources stored in the memory 20 may also include an operating system 202 and data 203, and the storage method may be temporary or permanent storage. The operating system 202 may include Windows, Unix, Linux, etc. The data 203 may include, but is not limited to, control terminal signals, driving direction signals, and reconnection signals.

[0105] In some embodiments, the device for recalling the reversing image of the rail engineering vehicle may further include a display screen 22, an input / output interface 23, a communication interface 24, a power supply 25, and a communication bus 26.

[0106] Those skilled in the art will understand that Figure 5 The structure shown does not constitute a limitation on the device for recalling the reversing image of the rail engineering vehicle, and may include more or fewer components than shown.

[0107] The device for recalling reversing images of a rail engineering vehicle provided in this application includes a memory and a processor. When the processor executes the program stored in the memory, it can implement the following method: acquiring the control terminal signal and driving direction signal of the driver controller of the rail engineering vehicle, as well as the reconnection signal of the reconnection control switch; when the driving direction signal indicates reversing mode, determining the current working mode according to the reconnection signal; if the current working mode is single-machine operation mode, determining the first end position where the current control terminal is located and the second end position where the tail of the single machine is located according to the control terminal signal; determining the first target camera according to the second end position and the end position information of each camera, and recalling the first reversing image captured by the first target camera to the display screen corresponding to the first end position; if the current working mode is multi-machine reconnection mode, determining the main control vehicle and the third end position where the current control terminal is located according to the control terminal signal, and determining the tail vehicle number and the fourth end position where the tail of the tail vehicle is located according to the reconnection signal; determining the second target camera according to the tail vehicle number, the fourth end position, the end position information of each camera and the vehicle number information, and recalling the second reversing image captured by the second target camera to the display screen corresponding to the third end position of the main control vehicle.

[0108] Finally, this application also provides an embodiment corresponding to a computer-readable storage medium. The computer-readable storage medium stores a computer program, which, when executed by a processor, implements the steps described in the above-described method embodiment for invoking the reversing image of a track engineering vehicle.

[0109] It is understood that if the methods in the above embodiments are implemented as software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of this application, in essence, or the part that contributes to the prior art, or all or part of the technical solution, can be embodied in the form of a software product. This computer software product is stored in a storage medium and executes all or part of the steps of the methods described in the various embodiments of this application. The aforementioned storage medium includes various media capable of storing program code, such as USB flash drives, portable hard drives, read-only memory (ROM), random access memory (RAM), magnetic disks, or optical disks.

[0110] The foregoing provides a detailed description of the method, apparatus, and medium for retrieving reversing images of a rail engineering vehicle. The various embodiments in the specification are described in a progressive manner, with each embodiment focusing on its differences from other embodiments. Similar or identical parts between embodiments can be referred to interchangeably. For the apparatus disclosed in the embodiments, since it corresponds to the method disclosed in the embodiments, the description is relatively simple; relevant parts can be referred to in the method section. It should be noted that those skilled in the art can make several improvements and modifications to this application without departing from the principles of this application, and these improvements and modifications also fall within the protection scope of the claims of this application.

[0111] It should also be noted that, in this specification, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

Claims

1. A method for accessing the reversing image of a rail engineering vehicle, characterized in that, include: Collect the control terminal signal and travel direction signal of the driver controller of the rail engineering vehicle, as well as the reconnection signal of the reconnection control switch; When the driving direction signal indicates reverse mode, the current working mode is determined based on the reconnection signal; If the current working mode is a stand-alone operation mode, determine the first end position where the current control terminal is located and the second end position where the stand-alone tail is located based on the control terminal signal; The first target camera is determined based on the second end position and the end position information of each camera, and the first reversing image captured by the first target camera is displayed on the screen corresponding to the first end position. If the current working mode is the multi-machine reconnection mode, the main control vehicle and the third end position of the current control terminal are determined according to the control terminal signal, and the tail car number and the fourth end position of the tail car are determined according to the reconnection signal. The second target camera is determined based on the tail vehicle number, the fourth end position, the end position information of each camera, and the vehicle number information. The second reversing image captured by the second target camera is then displayed on the screen corresponding to the third end position of the main control vehicle.

2. The method for recalling the reversing image of a rail engineering vehicle according to claim 1, characterized in that, Before collecting the control terminal signals and travel direction signals from the driver's controller of the rail engineering vehicle, as well as the reconnection signal from the reconnection control switch, the following steps are also included: Network addresses are set for the cameras installed at ends I and II of each track engineering vehicle; wherein, the network address includes the vehicle number information and end location information of the camera, and the end location information is end I or end II.

3. The method for recalling the reversing image of a rail engineering vehicle according to claim 2, characterized in that, Displaying the first reversing image captured by the first target camera onto the display screen corresponding to the first terminal includes: If the second terminal is terminal I, a first output signal at a high level and a second output signal at a low level are transmitted to the video host to activate the first target camera corresponding to terminal I, and control the video host to call the first reversing image captured by the first target camera corresponding to terminal I to the display screen corresponding to terminal II. If the second terminal is terminal II, a first output signal at a low level and a second output signal at a high level are transmitted to the video host to activate the first target camera corresponding to terminal II, and control the video host to call the first reversing image captured by the first target camera corresponding to terminal II to the display screen corresponding to terminal I.

4. The method for recalling the reversing image of a rail engineering vehicle according to claim 2, characterized in that, Displaying the second reversing image captured by the second target camera onto the display screen corresponding to the third position of the main control vehicle includes: If the fourth terminal is terminal I, a first output signal at a high level and a second output signal at a low level are transmitted to the video host of the tail vehicle according to the tail vehicle number, so as to activate the second target camera corresponding to terminal I of the tail vehicle, control the video host of the tail vehicle to transmit the second reversing image captured by the second target camera corresponding to terminal I to the video host of the main control vehicle, and control the video host of the main control vehicle to call the second reversing image to the display screen corresponding to the third terminal; If the fourth terminal is terminal II, a first output signal at a low level and a second output signal at a high level are transmitted to the video host of the tail vehicle according to the tail vehicle number, so as to activate the second target camera corresponding to terminal II of the tail vehicle, and control the video host of the tail vehicle to transmit the second reversing image captured by the second target camera corresponding to terminal II to the video host of the main control vehicle, and control the video host of the main control vehicle to call the second reversing image to the display screen corresponding to the third terminal.

5. The method for recalling the reversing image of a rail engineering vehicle according to claim 1, characterized in that, Before determining the current operating mode based on the reconnection signal, the following steps are also included: Determine whether there is only one occupied terminal based on the control terminal signal; If so, proceed to the step of determining the current working mode based on the reconnection signal; If not, generate an alarm message.

6. The method for recalling the reversing image of a rail engineering vehicle according to claim 1, characterized in that, If the current operating mode is multi-machine reconnection mode, it also includes: The vehicle numbers of all coupled vehicles are arranged in the connection order on the display screen of the main control vehicle to obtain the vehicle number arrangement order.

7. The method for recalling the reversing image of a rail engineering vehicle according to claim 6, characterized in that, If the current operating mode is multi-machine reconnection mode, after displaying the second reversing image captured by the second target camera on the screen corresponding to the third position of the main control vehicle, the following steps are also included: The target vehicle connected to the last vehicle is determined according to the order of the vehicle numbers; Activate the third target camera corresponding to the target vehicle, and send the video data captured by the third target camera to the display screen corresponding to the third end of the main control vehicle; The third target camera is located on both sides of the target vehicle.

8. A device for recalling the reversing image of a rail engineering vehicle, characterized in that, include: The data acquisition module is used to acquire the control terminal signals and travel direction signals of the driver controller of the rail engineering vehicle, as well as the reconnection signal of the reconnection control switch. The first determining module is used to determine the current working mode based on the reconnection signal when the driving direction signal indicates reversing mode; The second determining module is used to determine the first end position of the current control terminal and the second end position of the single-machine tail based on the control terminal signal if the current working mode is a stand-alone operation mode. The first calling module is used to determine the first target camera based on the second end position and the end position information of each camera, and call the first reversing image captured by the first target camera to the display screen corresponding to the first end position. The third determining module is used to determine the main control vehicle and the third end position of the current control terminal based on the control terminal signal if the current working mode is a multi-machine reconnection mode, and to determine the tail car number and the fourth end position of the tail car based on the reconnection signal. The second calling module is used to determine the second target camera based on the tail vehicle number, the fourth end position, the end position information of each camera and the vehicle number information, and call the second reversing image captured by the second target camera to the display screen corresponding to the third end position of the main control vehicle.

9. A device for recalling the reversing image of a rail engineering vehicle, characterized in that, Includes memory used to store computer programs; A processor, configured to execute the computer program to implement the steps of the method for invoking the reversing image of a track engineering vehicle as described in any one of claims 1 to 7.

10. A computer-readable storage medium, characterized in that, The computer-readable storage medium stores a computer program that, when executed by a processor, implements the steps of the method for recalling the reversing image of a track engineering vehicle as described in any one of claims 1 to 7.

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