CN216673157U

CN216673157U - Train backing auxiliary system

Info

Publication number: CN216673157U
Application number: CN202123094013.4U
Authority: CN
Inventors: 邹广恩; 刘宇; 贾向东; 齐咏生; 张玉成; 杨林瑞; 郑永顺; 张进
Original assignee: Inner Mongolia Longtu Intelligent Technology Co ltd
Current assignee: Inner Mongolia Longtu Intelligent Technology Co ltd
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-06-03
Anticipated expiration: 2031-12-10

Abstract

The utility model discloses a train backing auxiliary system, which comprises a rear end device and a front end device, wherein the rear end device is arranged at the rear end of a train and comprises a rear end power supply, video acquisition equipment, a wireless communication module and a transmitting antenna; the front-end device is arranged in a front-end cab of the train and comprises a front-end power supply, a receiving antenna and a CPU core module. According to the utility model, the road condition information at the rear end of the train is acquired by the rear end device, the processed information is sent to the front end device, the front end device can receive the signal of the rear end device and process the signal for guiding the train to back up, the accuracy of the train to back up is improved, the safety of the train to back up is ensured, a lot of labor cost is saved, and the efficiency is high.

Description

Train backing auxiliary system

Technical Field

The utility model relates to the technical field of train reversing, in particular to a train reversing auxiliary system.

Background

Railways dominate the field of transportation in China, and bear a great mission to drive the development of national economy. The railway line in China has long distance and complex passing environment, foreign matter invasion is caused in front of a high-speed running train by random foreign matters such as landslides, detained people and the like caused by natural disasters, and the running safety is seriously influenced. In the era of rapid development of high-speed railways, the requirement of automation of train operation cannot be met only by manual detection and fixed point installation of monitoring equipment. With the realization of full-automatic driving in rail transit and the research and application of detection technology based on machine vision, how to realize intelligent detection of foreign matters in front of a high-speed train becomes a new trend of railway operation, and has irreplaceable practical significance.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a train reversing auxiliary system, which solves the technical problems of low train reversing safety and low efficiency caused by the fact that manual detection is needed and monitoring equipment is installed at a fixed point when a train reverses at present.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a train reversing auxiliary system, which comprises a rear end device and a front end device;

the rear-end device is arranged at the rear end of the train and comprises a rear-end power supply, a video acquisition device, a wireless communication module and a transmitting antenna, wherein the video acquisition device is used for acquiring road conditions at the rear end of the train, the wireless communication module is used for processing information collected by the video acquisition device, and the transmitting antenna is used for transmitting data processed by the wireless communication module;

the front-end device is arranged in a cab at the front end of the train and comprises a front-end power supply, a receiving antenna and a CPU (central processing unit) core module, wherein the receiving antenna is used for receiving data sent by the transmitting antenna, the CPU core processing module is connected with the external antenna, and the CPU core module is used for integrating a wireless communication function and realizing the operation and processing of the data so as to guide the train to back.

Further, the video acquisition equipment comprises a high-definition camera.

Furthermore, the rear-end device further comprises a rear-end switch and a rear-end power voltage reduction module, wherein the rear-end switch is used for controlling the opening and closing of the rear-end power, and the rear-end power voltage reduction module is used for realizing power conversion and supplying power to other modules.

Further, the rear end device further comprises an illuminating device, and the illuminating device is used for providing a light source for video acquisition of the video acquisition equipment.

Further, the rear end device still includes the magnet, the magnet is fixed in inside the rear end device, the magnet be used for with the rear end device adsorbs on the iron sheet of train rear end.

Furthermore, the rear end device further comprises a rear end shell and a rear end cooling fan, wherein the rear end shell is provided with a cooling hole, and the cooling fan is arranged inside the rear end shell.

Furthermore, the front-end device further comprises a front-end switch and a front-end power voltage reduction module, wherein the front-end switch is used for controlling the on and off of the front-end power supply, and the front-end power voltage reduction module is used for realizing power conversion and supplying power to other modules.

Further, the front-end device further comprises a video display device, and the video display device comprises a display screen.

Furthermore, the front-end device also comprises a voice alarm module, and when the rear end of the train is in the presence of the obstacle, the voice alarm module carries out voice prompt.

Furthermore, the front end device also comprises a rear end cooling fan and a front end shell with a cooling groove.

The utility model has the beneficial effects that:

according to the utility model, the road condition information at the rear end of the train is acquired by the rear end device, the processed information is sent to the front end device, the front end device can receive the signal of the rear end device and process the signal for guiding the train to back up, the accuracy of the train to back up is improved, the safety of the train to back up is ensured, a lot of labor cost is saved, and the efficiency is high.

Drawings

FIG. 1 is a schematic diagram of a preferred embodiment of the present invention.

Fig. 2 is a schematic diagram of a backend device according to a preferred embodiment of the present invention.

Fig. 3 is a schematic diagram of a front-end apparatus according to a preferred embodiment of the utility model.

In the figure:

1-a back-end device; 11-a back-end power supply; 12-a video capture device; 13-a wireless communication module; 14-a transmitting antenna; 15-a back end switch; 16-a back-end power voltage reduction module; 17-a lighting device; 18-magnet; 19-a back end housing; 191-a heat dissipation port; 10-rear end cooling fan; 2 a front end device; 21-front end power supply; 22-a receiving antenna; 23-a CPU core module; 24-a front end switch; 25-a front-end power voltage reduction module; 26-a video display device; 27-a voice alarm module; 28-a front end housing; 281-radiating grooves; 29-front end radiator fan.

Detailed Description

The utility model is described in further detail below with reference to the figures and the embodiments.

As shown in fig. 1 to 3, the present invention provides a train back-up assist system including a back-end device 1 and a front-end device 2.

The rear end device 1 is arranged at the rear end of a train, the rear end device 1 comprises a rear end power supply 11, a video acquisition device 12, a wireless communication module 13 and a transmitting antenna 14, the video acquisition device 12 is used for acquiring road conditions at the rear end of the train, the wireless communication module 13 is used for processing information collected by the video acquisition device 12, and the transmitting antenna 14 is used for transmitting data processed by the wireless communication module 13. The back-end power supply 11 adopts a 16.7V power supply.

The front end device 2 is arranged in a front end cab of the train, and is convenient for a driver to watch. The front-end device 2 comprises a front-end power supply 21, a receiving antenna 22 and a CPU core module 23, wherein the receiving antenna 22 is used for receiving data sent by the transmitting antenna 14, the CPU core processing module is connected with an external antenna, and the CPU core module 23 is used for integrating a wireless communication function and realizing the operation and processing of the data so as to guide the train to back. The front-end power supply 21 adopts a 16.7V power supply.

The road condition information of the rear end of the train is collected through the rear end device 1, the information is sent to the front end device 2 after being processed, the front end device 2 can receive signals of the rear end device 1, and the signals are processed to guide the train to back up, so that the accuracy of the train to back up is improved, the safety of the train to back up is guaranteed, a lot of labor cost is saved, and the efficiency is high.

In this embodiment, video acquisition equipment 12 includes high definition digtal camera, and high definition digtal camera adopts USB high definition digtal camera, and video acquisition equipment 12 has the advantage that the installation is simple and occupation space is little etc.

In this embodiment, the back-end device 1 further includes a back-end switch 15 and a back-end power step-down module 16, and the back-end switch 15 is a ship-shaped switch. The rear-end switch 15 is used for controlling the on-off of the rear-end power supply 11, and the rear-end power supply voltage reduction module 16 is used for realizing power supply conversion and supplying power to other modules, so as to provide power supply power for the operation of the device.

In this embodiment, the backend apparatus 1 further includes an illumination device 17, and the illumination device 17 is configured to provide a light source for video capture by the video capture device 12. Especially, the light source required by the USB high-definition camera can be provided at night, and the requirement of backing a train at night is met.

In this embodiment, the rear end device 1 further includes a magnet 18, the magnet 18 is fixed inside the rear end device 1, and the magnet 18 is used for adsorbing the rear end device 1 on an iron sheet at the rear end of the train, so that the rear end device is safe and firm.

In this embodiment, the rear device 1 further includes a rear housing 19 and a rear heat dissipation fan 10, the rear housing 19 is provided with a heat dissipation opening 191, and the heat dissipation fan is disposed inside the rear housing 19, so as to facilitate timely removal of heat generated by operation of internal components, ensure safe operation, and avoid danger.

In this embodiment, the front-end device 2 further includes a front-end switch 24 and a front-end power voltage-reducing module 25, the front-end switch 24 is a button switch, the front-end switch 24 is used to control the on/off of the front-end power supply 21, and the front-end power supply 21 voltage-reducing module 25 is used to realize power conversion and supply power to other modules, so as to provide power for the operation of the device.

In this embodiment, the front-end device 2 further includes a video display device 26, where the video display device 26 includes a display screen, and the display screen is a 7.9-inch touch display screen. The display screen can be more convenient for the driver to know the road conditions at the rear end of the train, and is convenient for backing a car.

In this embodiment, the front-end device 2 further includes a voice alarm module 27, and when an obstacle appears at the rear end of the train, the voice alarm module 27 performs voice prompt to prompt the battery status in time when the power is off.

In this embodiment, the front end device 2 further includes a front end heat radiation fan 29 and a front end housing 28 having a heat radiation groove 281. The heat generated by the operation of internal parts can be timely removed, the safe operation is ensured, and the danger is avoided.

On the basis of the existing railway obstacle detection technology research at home and abroad, the obstacle detection is realized by adopting a mode based on vehicle-mounted monocular machine vision. By analyzing the image of the acquired video frame, the segmentation algorithm of the railway track obstacle image is mainly researched, the algorithm is improved to achieve the purpose of improving the real-time property and the robustness, the improved algorithm is applied to a comprehensive judgment system to detect the obstacle, and whether the obstacle exists is judged according to two detection steps.

In this embodiment, the back-end device 1 sends data through the transmitting antenna 14, the data is received by the receiving antenna 22 of the front-end device 2, the data is processed by the CPU core module 23, and the processed video is displayed on the display screen in real time and is matched with the voice module for prompting. The display screen can display the rail surface condition of the rear train about 120 meters in real time and can timely early warn the rail surface condition of the train backing track.

In this embodiment, the video information collected by the video collecting device 12 is sent to the CPU core module 23 of the front-end device 2 through the wireless communication module 13 and the transmitting antenna 14, and after processing, the car backing condition can be broadcasted in real time through the voice alarm module 27, so as to remind the user of the presence or absence of an obstacle, and the battery condition can be reminded in time when the car is not powered on, the used chip is XFS5152CE, and the GBK coding mode is adopted, so that the chip can correctly identify and process the car according to the built-in text matching rule.

In this embodiment, the video transmission is transmitted through the wireless communication module 13, the transmitting antenna 14 and the receiving antenna 22, so that the signal is prevented from being interfered when a train runs and the flexibility of the device is improved, the wireless communication can effectively improve the flexibility and the installation convenience of the device, the module chip adopts the MTK7620N, the chip is a routing chip on an IEEE802.11 chip, and the video transmission and the bidirectional instruction transmission function can be realized through a processor with the main frequency of 580MHz MIPS 24K and a 2.4G radio frequency module. The rear-end cooling fan 10 enables the chip MTK7620N to keep a normal working state for a long time, and ensures the stability of video transmission.

In this embodiment, the front-end device 2 is placed in a cab of a train, after the train is started up by a button switch, the CPU core module 23 is initialized, the display screen initially displays a login interface, the login interface has options of an account number and a password, the train enters a work interface after being correctly filled, and the voice prompt is: "welcome and use the auxiliary system of backing a car", press the ship type switch of rear-end device 1 this moment again after, the initialization of USB camera is accomplished the back, handle data transmission to front-end device 2's CPU core processing module through wireless communication, the video that gathers in real time shows on working interface, there is real-time track to detect on the working interface, there is the object to appear in detection range under the detection state, CPU can send signal to voice module through the UART, and then can continuously report the real-time distance of object and camera.

In this embodiment, the receiving antenna 22 of the front-end device 2 is placed outside the locomotive body of the locomotive to receive signals, and is not shielded by the iron sheet of the train, and the safe running of the train is not affected.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention, and is not intended to limit the present invention in any way, which may be optimized in accordance with engineering practices. Any modification, equivalent change and decoration of the above embodiments according to the technical principle of the present invention are still within the scope of the technical solution of the present invention, unless the contents depart from the technical solution of the present invention.

Claims

1. A train back-up assist system, comprising:

the train back-end device comprises a back-end power supply, a video acquisition device, a wireless communication module and a transmitting antenna, wherein the video acquisition device is used for acquiring the road condition of the back end of the train, the wireless communication module is used for processing the information collected by the video acquisition device, and the transmitting antenna is used for transmitting the data processed by the wireless communication module;

the front-end device is arranged in a cab at the front end of the train and comprises a front-end power supply, a receiving antenna and a CPU core module, wherein the receiving antenna is used for receiving data sent by the transmitting antenna, the CPU core processing module is connected with the receiving antenna, and the CPU core module is used for integrating a wireless communication function, realizing the operation and processing of the data and further guiding the train to back.

2. The train back-up assist system of claim 1, wherein the video capture device comprises a high definition camera.

3. The train back-up assist system of claim 1, wherein the back-end device further comprises a back-end switch and a back-end power step-down module, the back-end switch is used for controlling on and off of the back-end power, and the back-end power step-down module is used for realizing power conversion and supplying power.

4. The train back-up assist system of claim 1, wherein the back end device further comprises an illumination device for providing a light source for video capture by the video capture device.

5. The train back-up assist system of claim 1, wherein the back-end device further comprises a magnet fixed inside the back-end device, the magnet configured to attach the back-end device to a sheet iron at the back-end of the train.

6. The train back-up assist system of claim 1 wherein the back-end unit further includes a back-end housing and a back-end heat sink fan, the back-end housing having a heat sink opening, the heat sink fan being disposed within the back-end housing.

7. The train back-up assist system of claim 1, wherein the front-end device further comprises a front-end switch and a front-end power step-down module, the front-end switch is used for controlling on and off of the front-end power supply, and the front-end power step-down module is used for realizing power conversion and supplying power.

8. The train back-up assist system of claim 1 wherein the front end device further comprises a video display device, the video display device including a display screen.

9. The train back-up assist system of claim 1, wherein the front end device further comprises a voice alarm module that provides a voice prompt when an obstacle is present at the rear end of the train.

10. The train reverse assist system of claim 1 wherein the front end assembly further comprises a front end heat sink fan and a front end housing having a heat sink.