Vehicle-mounted video monitoring system of rail train

Abstract

The utility model relates to the technical field of rail transit, and discloses a rail train vehicle-mounted video monitoring system which comprises a case, a power supply is fixedly connected to the left end of the inner wall of the case, a video recorder mainboard is fixedly connected to the right end of the inner wall of the case, and a hard disk is fixedly connected to the top of the video recorder mainboard. The top of the inner wall of the case is fixedly connected with a switch, the hard disk is in telecommunication connection with a video recorder, the switch is in telecommunication connection with a headstock host, the video recorder is in telecommunication connection with a camera, the top of the case is rotationally connected with a limiting assembly, and the limiting assembly comprises a limiting plate. The top of the limiting plate is rotationally connected to the inner wall of the top of the machine box, and the right end of the top of the limiting plate is fixedly connected with an extending block. According to the utility model, the video storage is not influenced by the through line, and for a compartment with a damaged single hard disk, video intelligent gateway redundancy exists, so that the nearest video of the compartment with the damaged hard disk can be found in the video intelligent gateway.

Description

Technical Field

[0001] The utility model relates to the technical field of rail transportation, in particular to a rail train on-board video monitoring system. Background Art

[0002] The train's onboard video surveillance system is one of the train's security facilities. It monitors and records images in the passenger compartment and the driver's cab for purposes such as investigation and evidence collection and fault analysis.

[0003] For the on-board video surveillance system of trains, most trains adopt centralized storage or distributed storage. Centralized storage has many defects and is affected by the network. There are only two storage devices. The centralized storage method is used to save the images. The image data of each carriage needs to pass through the accompanying cables (through lines) of the carriages along the way in turn. After multiple forwardings, it reaches the front of the train for display and storage. The operation of the entire system is completely dependent on the through lines to transmit data. Any failure of the through lines will affect the display of images and the storage of videos. The replacement of through lines is extremely complicated and has a long cycle, which affects normal operations. Distributed storage, if the hard disk of a single carriage is damaged, it will no longer be able to store the data of this carriage. For this reason, a rail train on-board video surveillance system is proposed to solve the above problems. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a rail train on-board video monitoring system, aiming to improve the problem in the prior art that if the hard disk of a single carriage is damaged, the data of the carriage cannot be stored any more.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A rail train onboard video monitoring system comprises a chassis, wherein the left end of the inner wall of the chassis is fixedly connected to a power supply, the right end of the inner wall of the chassis is fixedly connected to a video recorder mainboard, the top of the video recorder mainboard is fixedly connected to a hard disk, the top of the inner wall of the chassis is fixedly connected to a switch, the hard disk is telecom-connected to a video recorder, the switch is telecom-connected to a train head host, the video recorder is telecom-connected to a camera, and the top of the chassis is rotatably connected to a limiting component;

[0007] As a further description of the above technical solution:

[0008] The limiting assembly comprises a limiting plate, the top of which is rotatably connected to the top inner wall of the chassis, and the top right end of the limiting plate is fixedly connected to an extension block;

[0009] As a further description of the above technical solution:

[0010] A control rod is slidably connected to the top of the right front end of the chassis, a spring is sleeved on the outside of the control rod, a sliding plate is fixedly connected to the outside of the control rod, and the outside of the control rod is engaged with the top through hole of the extension block;

[0011] As a further description of the above technical solution:

[0012] A fan is fixedly connected to the right end of the inner wall of the chassis, and the outer portion of the sliding plate is slidably connected to the inner wall of the chassis;

[0013] As a further description of the above technical solution:

[0014] One end of the spring is fixedly connected to an inner wall of one side of the chassis, and the other end of the spring is fixedly connected to one side of the sliding plate.

[0015] The utility model has the following beneficial effects:

[0016] 1. In the utility model, distributed storage is realized through the mutual cooperation of the video recorder mainboard, hard disk, switch, camera, video recorder, train head host and other structures, so that when the hard disk of a single carriage is damaged, the data of the carriage can continue to be stored, and the video storage is not affected by the through line. For the carriage with a single hard disk damaged, there is a redundant video intelligent gateway, and the latest video of the carriage with the damaged hard disk can be found in the video intelligent gateway.

[0017] 2. In the utility model, the electric wires can be restricted by the rotation of the limiting plate, thereby preventing the electric wires from being in disarray and affecting daily use and maintenance, and the limiting plate can be quickly released by pulling the control lever, thereby facilitating daily maintenance and repair of the electric wires. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional schematic diagram of the rail train on-board video monitoring system proposed by the utility model;

[0019] Figure 2 The spring of the rail train on-board video monitoring system proposed by the utility model

[0020] Schematic diagram of the structure;

[0021] Figure 3 This is a module schematic diagram of the rail train onboard video monitoring system proposed by the utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the carriage data of the rail train on-board video monitoring system proposed by the utility model;

[0023] Figure 5This is a schematic diagram of the structure of image data of the rail train on-board video monitoring system proposed by the utility model;

[0024] Figure 6 A schematic diagram of storage data of the rail train onboard video monitoring system proposed by the utility model;

[0025] Figure 7 The utility model is a circuit supply schematic diagram of the rail train on-board video monitoring system.

[0026] Legend:

[0027] 1. Chassis; 2. Power supply; 3. Video recorder mainboard; 4. Hard disk; 5. Switch; 6. Fan; 7. Camera; 8. Video recorder; 9. Vehicle head unit; 10. Limit plate; 11. Extension block; 12. Control lever; 13. Spring; 14. Sliding plate. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] Reference Figure 1-Figure 3 The utility model provides an embodiment: a rail train on-board video monitoring system, including a chassis 1. The core part of the system is a sturdy chassis 1, which is designed to be rectangular to fit the internal space of the rail vehicle. The left end of the inner wall of the chassis 1 is fixedly connected with a power supply 2, which is an important component because it provides the required power for the entire system. The right end of the inner wall of the chassis 1 is fixedly connected with a video recorder motherboard 3. This video recorder motherboard 3 is the core of the system, which controls and coordinates all video recording and transmission functions. The top of the video recorder motherboard 3 is fixedly connected with a hard disk 4, which is used to store video data captured from a camera 7. The hard disk 4 has a large capacity and can store a large amount of video data. At the same time, the read and write speed is fast, ensuring the rapid processing and storage of data.

[0030] The switch 5 is responsible for processing and distributing data and can process a large amount of data streams. Moreover, it works very fast and can ensure the real-time transmission of video data. The switch 5 is fixedly connected to the top of the inner wall of the chassis 1. The hard disk 4 is connected to a video recorder 8, which is responsible for processing and encoding the video signal from the camera 7 and then storing the data on the hard disk 4. The design of the video recorder 8 is very precise and can process high-definition video signals. Moreover, its working efficiency is very high and it can quickly process and store a large amount of video data. The switch 5 is connected to the train host 9. The video recorder 8 is connected to the camera 7, which is responsible for capturing the video data inside the train. The design of the camera 7 is very precise and can capture high-definition video images. Moreover, it works stably and can continue to work under various environmental conditions.

[0031] The top of the chassis 1 is rotatably connected to a limiting component, which includes a limiting plate 10. The top of the limiting plate 10 is rotatably connected to the top inner wall of the chassis 1. The top right end of the limiting plate 10 is fixedly connected to an extension block 11. The top right end of the front end of the chassis 1 is slidably connected to a control rod 12. The outer sleeve of the control rod 12 is provided with a spring 13, and the spring 13 can be limited by the control rod 12. The outer part of the control rod 12 is fixedly connected to a sliding plate 14, and the control rod 12 can drive the sliding plate 14 to move.

[0032] The outside of the control rod 12 is engaged with the top through hole of the extension block 11, so that the control rod 12 can limit the extension block 11. The right end of the inner wall of the chassis 1 is fixedly connected to a fan 6. The fan 6 is responsible for heat dissipation to keep the temperature inside the chassis stable to prevent equipment damage or performance degradation caused by overheating. The outside of the sliding plate 14 is slidably connected to the inner wall of the chassis 1, one end of the spring 13 is fixedly connected to one side of the inner wall of the chassis 1, and the other end of the spring 13 is fixedly connected to one side of the sliding plate 14. When the sliding plate 14 moves, it can squeeze the spring 13 so that.

[0033] Working principle: First, the core part of the system is a sturdy chassis 1, which is designed in a rectangular shape to fit the interior space of a rail vehicle. A power supply 2 is fixedly connected to the left end of the inner wall of the chassis 1. This power supply 2 is an important component because it provides the required power for the entire system. The design of the power supply 2 takes into account the special power requirements of rail trains to ensure that the video surveillance system can continue to work stably during the operation of the train. The power supply 2 provides power to the video recorder motherboard 3 fixedly connected to the right end of the inner wall of the chassis 1. The video recorder motherboard 3 is the core of the system, which controls and coordinates all recording and transmission functions. A hard disk 4 is fixedly connected to the video recorder motherboard 3. This hard disk 4 is used to store video data captured from the camera 7. The hard disk 4 has a large capacity and can store a large amount of video data. At the same time, the read and write speed is fast, ensuring the rapid processing and storage of data. At the same time, a switch 5 is fixedly connected to the top of the inner wall of the chassis 1.

[0034] The switch 5 is responsible for processing and distributing data. It distributes the video data received from the video recorder 8 to the train host 9. The design of this switch 5 is very efficient and can handle a large amount of data streams. It also works very fast and can ensure the real-time transmission of video data. The video recorder 8 is connected to the hard disk 4 by telecommunications. It is responsible for processing and encoding the video signal from the camera 7 and then storing the data on the hard disk 4. The design of the video recorder 8 is very sophisticated and can handle high-definition video signals. It also works very efficiently and can quickly process and store a large amount of video data. In addition, the camera 7 is also a key component in this system. It is connected to the video recorder 8 by telecommunications and is responsible for capturing the video data inside the train. The design of the camera 7 is very sophisticated and can capture high-definition video images. It also works stably and can continue to work under various environmental conditions.

[0035] In order to ensure the temperature inside the chassis 1 is stable, a fan 6 is fixedly connected to the right end of the inner wall of the chassis 1. The fan 6 is responsible for heat dissipation to keep the temperature inside the chassis stable to prevent equipment damage or performance degradation caused by overheating. At the top of the chassis 1, there is a limiting component, which includes a limiting plate 10. An extension block 11 is fixedly connected to the top right end of the limiting plate 10. This extension block 11 can limit the rotation range of the top inner wall of the chassis 1 to prevent equipment damage caused by excessive rotation. During operation, a control rod 12 is slidably connected to the top right end of the front end of the chassis 1. The outer sleeve of the control rod 12 is provided with a spring 13, and this spring 13 can make the control rod 12 automatically return to its original position, thereby improving the convenience of operation. The outside of the control rod 12 is fixedly connected to a sliding plate 14, and this sliding plate 14 can slide on the inner wall of the chassis 1, making the operation of the control rod 12 more flexible.

[0036] 1. Hybrid storage. When the system starts, the status of all hard disks 4 is checked. Under normal circumstances, hard disks 4 use distributed storage and are stored in the own storage hard disk 4 of the carriage first. If one or more hard disks 4 are detected to be abnormal, hybrid storage is enabled. Carriages without abnormalities are stored in their own carriage storage hard disk 4. If an abnormal carriage occurs, the data is stored in the two nearest hosts through the network. If the host is offline, it is stored in the opposite host.

[0037] 2. The recorder 8 is compatible with both analog and digital cameras 7. The analog camera 7 is directly connected to the recorder 8, and the digital camera 7 forwards data to the recorder 8 through the network interface via the data exchange board.

[0038] 3. In view of the characteristics of rail trains, special maintenance equipment is developed, which can directly connect to the multi-functional audio and video center to retrieve videos without the need for a network. Laptops or smart terminals can access the system at any network location on the train, configure the system or retrieve videos, increasing the flexibility of fault handling and video retrieval.

[0039] 4. The multifunctional audio-visual center adds an emergency power supply interface and an emergency switch, which can freely switch the power supply from external input to internal input. When the emergency switch is turned on, the internal power supply is disconnected, and the external input interface is connected. A customized maintenance terminal is used to provide emergency power supply to it, and the multifunctional audio-visual center can be safely started to retrieve the video in the event of a power outage on the train.

[0040] 5. When the multifunctional audio-visual central data exchange board detects that both the main and standby wired links of the through-line are disconnected, it opens the connection to the emergency bridge link to create an emergency connection to the adjacent car wirelessly and restore data communication in an emergency.

[0041] 6. The satellite receiving module is connected to the USB port of the video intelligent gateway. The satellite time data received by the satellite receiving module is decoded and verified in the video intelligent gateway software and converted into NTP time signal, which continuously provides time signal for the entire train. The video intelligent gateways at both ends of the train are the master and standby NTP respectively.

[0042] 7. The video intelligent gateway intelligently detects and handles common train faults. Through ping detection, port detection, status checking and other methods, all equipment in the train is regularly checked at different time periods. If an abnormality is found, a second re-inspection is carried out. If the re-inspection is normal, wait for the next inspection. If an abnormality is found, a third re-inspection is carried out. If it is still abnormal, a restart command is issued to restart it remotely. If it is still abnormal after restarting, a reset operation is attempted, and the backup configuration of the video intelligent gateway is sent to the faulty device.

[0043] The driving recorder can be connected to the Internet and added as a camera 7 to the front functional audio and video center of the vehicle to store image data, and perform data redundancy and image display through the video intelligent gateway.

[0044] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A rail train onboard video monitoring system, comprising a chassis (1), characterized in that: The left end of the inner wall of the chassis (1) is fixedly connected to a power supply (2), the right end of the inner wall of the chassis (1) is fixedly connected to a video recorder mainboard (3), the top of the video recorder mainboard (3) is fixedly connected to a hard disk (4), the top of the inner wall of the chassis (1) is fixedly connected to a switch (5), the hard disk (4) is telecom-connected to a video recorder (8), the switch (5) is telecom-connected to a vehicle head unit (9), the video recorder (8) is telecom-connected to a camera (7), and the top of the chassis (1) is rotatably connected to a limiting component.

2. The rail train onboard video monitoring system according to claim 1, characterized in that: The limiting assembly comprises a limiting plate (10), the top of the limiting plate (10) is rotatably connected to the top inner wall of the chassis (1), and the top right end of the limiting plate (10) is fixedly connected to an extension block (11).

3. The rail train onboard video monitoring system according to claim 2, characterized in that: A control rod (12) is slidably connected to the top right end of the front end of the chassis (1), a spring (13) is sleeved on the outside of the control rod (12), a sliding plate (14) is fixedly connected to the outside of the control rod (12), and the outside of the control rod (12) is engaged with the top through hole of the extension block (11).

4. The rail train onboard video monitoring system according to claim 3, characterized in that: A fan (6) is fixedly connected to the right end of the inner wall of the chassis (1), and the outer portion of the sliding plate (14) is slidably connected to the inner wall of the chassis (1).

5. The rail train onboard video monitoring system according to claim 3, characterized in that: One end of the spring (13) is fixedly connected to an inner wall of one side of the chassis (1), and the other end of the spring (13) is fixedly connected to one side of the sliding plate (14).

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