CN219257353U

CN219257353U - Automatic collision avoidance system for railway end line propulsion shunting

Info

Publication number: CN219257353U
Application number: CN202320588604.7U
Authority: CN
Inventors: 孟强; 檀红春; 邓年花; 张虔; 商颖; 刘文峰
Original assignee: Beijing Huitie Technology Co ltd; China Railway Engineering Consulting Group Co Ltd
Current assignee: Beijing Huitie Technology Co ltd; China Railway Engineering Consulting Group Co Ltd
Priority date: 2023-03-23
Filing date: 2023-03-23
Publication date: 2023-06-27
Anticipated expiration: 2033-03-23

Abstract

The utility model provides an automatic anti-collision system for railway dead-end line propulsion shunting, which relates to the technical field of railway safety and comprises an outdoor device, vehicle-mounted equipment and a Hall sensor, wherein the outdoor device comprises a millimeter wave radar, a prompt alarm device, a video acquisition device and a control host, the outdoor device is arranged on a ground stop, the millimeter wave radar, the prompt alarm device and the video acquisition device are all connected with electric signals of the control host, the millimeter wave radar faces a track, the vehicle-mounted equipment is arranged in a train, the control host is in wireless communication connection with the vehicle-mounted equipment, the Hall sensor is arranged on the track, and the Hall sensor is in wireless or wired communication connection with the control host. The automatic anti-collision system can effectively solve the safety risk in the existing railway end line shunting propulsion operation and prevent the occurrence of an end line soil blocking shunting accident.

Description

Automatic collision avoidance system for railway end line propulsion shunting

Technical Field

The utility model relates to the technical field of railway safety, in particular to an automatic collision avoidance system for railway end line propulsion shunting.

Background

At present, the shunting operation of the railway train service department is always the key point and the difficulty of the safety management of the railway operation due to the influence of factors such as wide points and multiple sides, random diversity and the like. At present, when each station is in shunting and pushing the end line operation, the operation is mainly performed by a mode that a shunting group person utilizes radio intercom equipment to carry out voice prompt and joint control and a driver operates a locomotive to carry out speed control. But due to the reasons of station illumination, weather, night, poor observation conditions and the like, the voice prompt of the car-dispatching and taking personnel is delayed or the car-dispatching safety accident caused by untimely transmission of 'ten, five and three' car signaling, which is caused by the fact that the pushing and shunting operation imports into the dead-end line earth shield, occurs, and the potential safety hazard is large. Therefore, a need exists for an automatic collision avoidance system for railway end-of-line propulsion and shunting, which can effectively solve the safety risk in the existing end-of-line shunting and propulsion operation and prevent the occurrence of an end-of-line soil blocking and shunting accident.

Disclosure of Invention

The utility model aims to provide an automatic collision avoidance system for railway end line propulsion shunting, so as to solve the problems. In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the application provides an automatic anti-collision system for railway dead-end line propulsion shunting, which comprises an outdoor device, vehicle-mounted equipment and a Hall sensor, wherein the outdoor device comprises a millimeter wave radar, a prompt alarm device, a video acquisition device and a control host; the vehicle-mounted equipment is arranged in the train, and the control host is in wireless communication connection with the vehicle-mounted equipment; the Hall sensor is arranged on the track line and is in wireless or wired communication connection with the control host.

As a preferable scheme of the railway end line propulsion shunting automatic anti-collision system, the utility model comprises the following steps: the soil block comprises a concrete wall and a soil body, wherein the concrete wall is U-shaped, the soil body is arranged on the inner side of the concrete wall, the soil body and the top surface of the concrete wall are obliquely arranged, one end, close to the track, of the soil body is lower than one end far away from the track, and the inclination angles of the soil body and the concrete wall are the same.

As a preferable scheme of the railway end line propulsion shunting automatic anti-collision system, the utility model comprises the following steps: the surface of concrete wall is provided with warning mark.

As a preferable scheme of the railway end line propulsion shunting automatic anti-collision system, the utility model comprises the following steps: the four Hall sensors are arranged on the same track line and are respectively arranged at positions which are away from soil blocks 110m, 55m, 33m and 11 m.

As a preferable scheme of the railway end line propulsion shunting automatic anti-collision system, the utility model comprises the following steps: the video acquisition device is located at the joint of the soil shield and the track, the control host is located at the end part of the soil shield farthest from the track, and the millimeter wave radar is located between the video acquisition device and the control host.

As a preferable scheme of the railway end line propulsion shunting automatic anti-collision system, the utility model comprises the following steps: the video acquisition device comprises an upright post, a flat plate and a camera, wherein the flat plate is arranged at the top end of the upright post, the camera is arranged on the flat plate, and the camera faces the track.

As a preferable scheme of the railway end line propulsion shunting automatic anti-collision system, the utility model comprises the following steps: the prompting and alarming device comprises a distance display LED screen and a loudspeaker, wherein the loudspeaker is arranged on the upright post, the distance display LED screen is positioned between the video acquisition device and the control host, and the loudspeaker and the distance display LED screen face towards the track.

As a preferable scheme of the railway end line propulsion shunting automatic anti-collision system, the utility model comprises the following steps: the control host comprises a control computer and wireless communication equipment, and the control computer establishes wireless communication connection with the vehicle-mounted equipment through the wireless communication equipment.

As a preferable scheme of the railway end line propulsion shunting automatic anti-collision system, the utility model comprises the following steps: the outdoor device further comprises a solar panel, wherein the solar panel is arranged at the top end of the control host, and the solar panel is electrically connected with the control host.

As a preferable scheme of the railway end line propulsion shunting automatic anti-collision system, the utility model comprises the following steps: the vehicle-mounted equipment comprises a vehicle-mounted control host and a vehicle-mounted display, wherein the vehicle-mounted control host is electrically connected with the vehicle-mounted display, and the vehicle-mounted control host is connected with a train operation monitoring device through an LKJ interface.

The beneficial effects of the utility model are as follows:

according to the utility model, the automatic protection device is arranged on the railway dead-end line, so that the safety risk in the existing dead-end line shunting propulsion operation can be effectively solved, and the occurrence of a soil blocking shunting accident of the importation dead-end line is prevented. The method has the advantages that in the process of realizing the operation of pushing the shunting train to the end line soil shield, a non-contact measurement technology is used for continuously detecting the relative distance between the front end of the shunting train and the end line soil shield, and related distance information can be sent to a shunting group and a crewman, continuous prompt alarm is carried out in the operation process, and the problems of difficult manual observation, inaccurate macroscopic observation distance and the like in the prior art are solved; the front images of the train are collected in real time and uploaded to the locomotive cab, and the crews can look out beyond the visual range.

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of the embodiments of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and claims thereof as well as the appended drawings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of an automatic collision avoidance system for railway end-of-line propulsion shunting according to an embodiment of the present utility model;

fig. 2 is a schematic structural diagram of an in-vehicle apparatus according to an embodiment of the present utility model;

fig. 3 is a schematic structural diagram of an outdoor device according to an embodiment of the present utility model.

The marks in the figure: 101. a hall sensor; 102. millimeter wave radar; 103. a prompting alarm device; 1031. a distance display LED screen; 1032. a speaker; 104. a video acquisition device; 1041. a column; 1042. a flat plate; 1043. a camera; 105. a control host; 2. a vehicle-mounted device; 201. a vehicle-mounted control host; 202. a vehicle-mounted display; 3. a soil shield; 301. a concrete wall; 4. a solar panel.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Meanwhile, in the description of the present utility model, the terms "first", "second", and the like are used only to distinguish the description, and are not to be construed as indicating or implying relative importance.

Example 1

As shown in fig. 1, this embodiment provides an automatic collision avoidance system of railway end line propulsion shunting, including outdoor unit, on-vehicle equipment and hall sensor, outdoor unit includes millimeter wave radar 102, suggestion alarm device 103, video acquisition device 104 and control host 105, and outdoor unit sets up on soil fender 3, millimeter wave radar 102 and control host 105 electrical signal connection, millimeter wave radar 102 orientation track, suggestion alarm device 103 and control host 105 electrical signal connection, video acquisition device 104 and control host 105 electrical signal connection. The millimeter wave radar 102 detects the position of a target by utilizing electromagnetic waves, can detect the distance, speed, acceleration and other information of a moving target in the range of the target, can frame the coordinate range of a propelling train in an image by continuously collecting video image data in the propelling process of the train and overlapping training a data model of various carriage photos, and can filter and select dynamic parameters in the frame-defined range, thereby greatly improving the accuracy of distance detection, effectively shielding various interferences and realizing continuous detection of non-contact distances by redundant operation of millimeter wave data and video data. The prompt alarm device 103 can realize the functions of real-time distance display and alarm prompt voice broadcasting, the video acquisition device 104 can continuously acquire video images in front of a train in the process of propelling operation, the control host 105 is core equipment for information acquisition and operation, and an image compression algorithm is used for compressing video streams.

Meanwhile, the in-vehicle apparatus 2 is provided in the train, the control host 105 is connected to the in-vehicle apparatus 2 by wireless communication, and the control host 105 uploads information such as compressed video to the in-vehicle apparatus 2 through the wireless communication apparatus. The Hall sensor 101 is arranged on a track line, the Hall sensor 101 is in wireless or wired communication connection with the control host 105, corresponding pulse signals are generated when wheels pass through the Hall sensor 101, and the control host 105 starts millimeter wave radar 102 ranging and video image acquisition after receiving the pulse signals. When the train speed is greater than the operation allowable speed, the in-vehicle device 2 transmits a braking instruction to realize an automatic braking function.

As shown in fig. 3, the soil block 3 comprises a concrete wall 301 and a soil body, the concrete wall 301 is in a U-shaped arrangement, the soil body is arranged on the inner side of the concrete wall 301, the soil body and the top surface of the concrete wall 301 are both obliquely arranged, one end of the soil body, which is close to the track, of the concrete wall 301 is lower than one end, which is far away from the track, of the soil body, and the inclination angle of the soil body is the same as that of the concrete wall 301. The outdoor device is arranged at a more convenient moving position on the soil body, different devices can be placed at different positions according to different requirements, and the soil body and the concrete wall 301 are obliquely arranged, so that materials can be saved, and the cost is reduced. Meanwhile, the outer surface of the concrete wall 301 is provided with an alarm sign, so that an alarm effect can be achieved, and the position of the dead line of a train operator is prompted.

As shown in fig. 1, the hall sensors 101 are four, the four hall sensors 101 are arranged on the same track line, and the four hall sensors 101 are respectively arranged at positions which are 10 vehicles (110 m), 5 vehicles (55 m), 3 vehicles (33 m) and 1 vehicle (11 m) away from the soil barrier 3. The Hall sensor 101 is used for realizing initial position detection of a propulsion train, and the system can be divided into three modes of early warning, protection and silence according to the Hall sensor 101 that the train arrives at different positions.

As shown in fig. 3, the video acquisition device 104 is located at the junction of the soil shield 3 and the track, the control host 105 is located at the end of the soil shield 3 farthest from the track, and the millimeter wave radar 102 is located between the video acquisition device 104 and the control host 105. The video capture device 104 is located at the forefront of all devices to prevent the view of the video capture device 104 from being blocked, and the millimeter wave radar 102 is located in front of the control host 105 to prevent the millimeter wave radar 102 from being blocked by the control host 105.

As shown in fig. 3, the video capturing device 104 includes a vertical column 1041, a flat plate 1042 and a camera 1043, the flat plate 1042 is disposed at the top end of the vertical column 1041, the camera 1043 is disposed on the flat plate 1042, and the camera 1043 faces the track. The camera 1043 is used for collecting video images in front of the train in the propelling operation process, in this embodiment, the camera 1043 is a high-definition camera with night vision and light supplementing functions, so that the video can be collected normally at night.

Meanwhile, the prompting and alarming device 103 comprises a distance display LED screen 1031 and a loudspeaker 1032, the loudspeaker 1032 is arranged on the upright 1041, the distance display LED screen 1031 is located between the video acquisition device 104 and the control host 105, and the loudspeaker 1032 and the distance display LED screen 1031 face the track. The distance display LED screen 1031 and the speaker 1032 can realize the functions of distance real-time display and voice broadcasting of alarm prompt, in this embodiment, the length of the distance display LED screen 1031 is 1.5m, the width is 0.8m, the distance display LED screen 1031 is formed by splicing LED display modules, and the size can be modified according to actual requirements.

As shown in fig. 1, the control host 105 includes a control computer and a wireless communication device, through which the control computer establishes a wireless communication connection with the in-vehicle device 2. The control host 105 is a core device for information collection and operation, and performs video stream compression using an image compression algorithm, and image information, control information period, and the like are uploaded to the in-vehicle device 2 through the wireless communication device.

As shown in fig. 3, the outdoor device further includes a solar panel 4, the solar panel 4 is disposed at the top end of the control host 105, and the solar panel 4 is electrically connected to the control host 105. The solar panel 4 can supply power to the control host 105 and other devices through solar power generation, and can ensure power supply while using clean energy.

As shown in fig. 2, the in-vehicle apparatus 2 includes an in-vehicle control host 201 and an in-vehicle display 202, the in-vehicle control host 201 is electrically connected to the in-vehicle display 202, and the in-vehicle control host 201 is connected to a train operation monitoring device through an LKJ interface. The vehicle-mounted control host 201 has the functions of completing wireless communication receiving of ground equipment control information, train running speed acquisition, speed curve calculation permission, brake control command calculation, control and the like; the vehicle-mounted display 202 has the functions of displaying a video image of the front of the train propulsion in real time, displaying the end line earth blocking distance, prompting alarm information and the like; the in-vehicle control host 201 acquires information such as the speed and direction of the locomotive from the LKJ system, and transmits a locomotive braking command to the LKJ to realize braking control of the train.

The using process comprises the following steps: the railway end line propulsion shunting automatic anti-collision system is divided into three modes of early warning, protection and silence, when a train is propelled into the position above a Hall sensor 101 at the position of 'ten cars' by a first wheel of an end line, the system enters an early warning mode, a control host 105 receives pulse signals sent by the Hall sensor 101, judges that the train enters an end line earth shield protection area, starts millimeter wave radar 102 ranging and video image acquisition, a distance display LED screen 1031 of a prompt alarm device 103 continuously displays the distance from the front of the train to the earth shield, a loudspeaker 1032 simultaneously broadcasts 'ten cars and ten cars' prompt voices, and uses wireless communication equipment to periodically transmit control information to vehicle-mounted equipment 2, and re-display the front image, distance, speed and other information of the propelled train to a locomotive attendant through a vehicle-mounted display 202, and broadcast 'ten cars' early warning prompts. When the train reaches the key protection points of five cars, three cars and the like in the process of continuously advancing the propulsion train towards the end line earth block direction, the control host 105 receives the pulse signals sent by the Hall sensor 101 and carries out early warning prompts of five cars, three cars and the like at the corresponding key points. When the distance between the vehicle and the end line earth is smaller than the three vehicle distances, the system enters a protection mode because the distance between the vehicle and the end line earth is relatively short, the vehicle-mounted equipment 2 calculates a vehicle train operation allowable speed curve in real time by combining the vehicle train running speed and the distance information of the earth in addition to the alarm prompt function, and when the actual vehicle train running speed is larger than the vehicle train operation allowable speed, the vehicle-mounted equipment 2 sends a braking instruction to LKJ equipment to control the vehicle to stop. After the train operation is completed, the dead end line is migrated in the opposite direction, and after the last wheel set passes through the Hall sensor 101 at the position of 'ten cars', the control host 105 turns off the millimeter wave radar 102, and the system enters a silence mode.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims

1. An automatic collision avoidance system for a railway end-of-line propulsion shunting, comprising:

the outdoor device comprises a millimeter wave radar (102), a prompt alarm device (103), a video acquisition device (104) and a control host (105), wherein the outdoor device is arranged on a soil shield (3), the millimeter wave radar (102) is electrically connected with the control host (105), the millimeter wave radar (102) faces a track, the prompt alarm device (103) is electrically connected with the control host (105), and the video acquisition device (104) is electrically connected with the control host (105);

the vehicle-mounted device (2) is arranged in the train, and the control host (105) is in wireless communication connection with the vehicle-mounted device (2); and

the Hall sensor (101) is arranged on a track line, and the Hall sensor (101) is in wireless or wired communication connection with the control host (105).

2. The railway end-of-line propulsion shunting automatic collision avoidance system of claim 1, wherein: the soil block (3) comprises a concrete wall (301) and a soil body, wherein the concrete wall (301) is arranged in a U-shaped mode, the soil body is arranged on the inner side of the concrete wall (301), the soil body and the top surface of the concrete wall (301) are obliquely arranged, the soil body and the concrete wall (301) are close to one end of the track, which is lower than one end far away from the track, and the inclination angles of the soil body and the concrete wall (301) are the same.

3. The railway end-of-line propulsion shunting automatic collision avoidance system of claim 2, wherein: the outer surface of the concrete wall (301) is provided with a warning sign.

4. The railway end-of-line propulsion shunting automatic collision avoidance system of claim 1, wherein: the Hall sensors (101) are arranged in four, the four Hall sensors (101) are arranged on the same track line, and the four Hall sensors (101) are respectively arranged at positions 110m, 55m, 33m and 11m away from the soil barrier (3).

5. The railway end-of-line propulsion shunting automatic collision avoidance system of claim 1, wherein: the video acquisition device (104) is located at the joint of the soil shield (3) and the track, the control host (105) is located at the end part of the soil shield (3) farthest from the track, and the millimeter wave radar (102) is located between the video acquisition device (104) and the control host (105).

6. The railway end-of-line propulsion shunting automatic collision avoidance system of claim 5 wherein: the video acquisition device (104) comprises a stand column (1041), a flat plate (1042) and a camera (1043), wherein the flat plate (1042) is arranged at the top end of the stand column (1041), the camera (1043) is arranged on the flat plate (1042), and the camera (1043) faces the track.

7. The railway end-of-line propulsion shunting automatic collision avoidance system of claim 6 wherein: the prompting and alarming device (103) comprises a distance display LED screen (1031) and a loudspeaker (1032), wherein the loudspeaker (1032) is arranged on the upright post (1041), the distance display LED screen (1031) is arranged between the video acquisition device (104) and the control host (105), and the loudspeaker (1032) and the distance display LED screen (1031) face the track.

8. The railway end-of-line propulsion shunting automatic collision avoidance system of claim 1, wherein: the control host (105) comprises a control computer and a wireless communication device, wherein the control computer establishes wireless communication connection with the vehicle-mounted device (2) through the wireless communication device.

9. The railway end-of-line propulsion shunting automatic collision avoidance system of claim 1, wherein: the outdoor device further comprises a solar panel (4), wherein the solar panel (4) is arranged at the top end of the control host (105), and the solar panel (4) is electrically connected with the control host (105).

10. The railway end-of-line propulsion shunting automatic collision avoidance system of claim 1, wherein: the vehicle-mounted equipment (2) comprises a vehicle-mounted control host (201) and a vehicle-mounted display (202), wherein the vehicle-mounted control host (201) is electrically connected with the vehicle-mounted display (202), and the vehicle-mounted control host (201) is connected with a train operation monitoring device through an LKJ interface.