WO2020088197A1 - 列车识别系统及其方法、列车安全检查系统及其方法 - Google Patents
列车识别系统及其方法、列车安全检查系统及其方法 Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L25/00—Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
- B61L25/02—Indicating or recording positions or identities of vehicles or trains
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
- B61L27/60—Testing or simulation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L1/00—Devices along the route controlled by interaction with the vehicle or train
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L25/00—Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
- B61L25/02—Indicating or recording positions or identities of vehicles or trains
- B61L25/021—Measuring and recording of train speed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L25/00—Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
- B61L25/02—Indicating or recording positions or identities of vehicles or trains
- B61L25/025—Absolute localisation, e.g. providing geodetic coordinates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L25/00—Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
- B61L25/02—Indicating or recording positions or identities of vehicles or trains
- B61L25/04—Indicating or recording train identities
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
- B61L27/40—Handling position reports or trackside vehicle data
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
- B61L27/50—Trackside diagnosis or maintenance, e.g. software upgrades
- B61L27/57—Trackside diagnosis or maintenance, e.g. software upgrades for vehicles or trains, e.g. trackside supervision of train conditions
Definitions
- the present disclosure relates to the technical field of train safety inspection, in particular to a train identification system and method, a train safety inspection system and method.
- a related technology known to the inventor is to provide a plurality of magnetic steel sensors along the rails, and use the magnetic steel to detect the relative speed of the train and the position of the train axle to determine the wheelbase, and identify the train type according to the different wheelbases.
- this kind of identification scheme needs to install the sensor on the railway, which occupies a large area, has certain safety risks for train operation, and has poor response to low-speed trains.
- the sensor installation point is limited and the number is limited, so that the detection point is limited.
- modified vehicles such as vehicles with the same wheelbase parameter, it cannot be distinguished from the wheelbase by being converted to customers or trucks.
- Another related technology known to the inventor is to obtain the side profile information of the vehicle by using a linear array camera to automatically identify the vehicle type through the control system.
- this recognition scheme also has certain requirements and restrictions on the installation point of the line array camera.
- the same train can only have one detection opportunity. It has poor adaptability to speed changes, large footprint, large number of collected images, and slow processing speed. The processing capacity of the system is high.
- the embodiments of the present disclosure provide a train identification system and method, a train safety inspection system and method, which can improve the flexibility of train identification.
- a train identification system including:
- Remote detection component used to obtain the overall characteristics of the inspected train through remote monitoring
- the identification module is used to determine the type and / or running condition of the checked train based on the acquired overall characteristic information.
- the types of trains to be inspected include locomotives, freight cars, passenger cars, and / or engineering vehicles; or the travel status of the trains to be inspected includes whether or not the train arrives, the direction of travel, the route of travel, and / or the speed of travel.
- the remote detection component includes a camera for capturing video information of the train being inspected.
- each camera has a different focal length, which is used to shoot when the train is in a different distance range.
- the camera's shooting angle, height, and / or focal length are adjustable.
- the remote detection component includes laser or radar.
- the second aspect of the embodiments of the present disclosure provides a method for a train identification system based on the above embodiments, including:
- the remote detection component obtains the overall characteristic information of the inspected train through remote monitoring
- the recognition module judges the type and / or running condition of the checked train based on the acquired overall characteristic information.
- the step of the identification module judging the type and / or running status of the inspected train based on the acquired overall characteristic information includes: the identification module extracts the characteristic parameters of the train from the acquired overall characteristic information to determine the inspected Train speed
- the identification module extracts the characteristic parameters of the train from the acquired overall characteristic information to determine the running speed of the checked train.
- the specific steps include:
- a third aspect of the embodiments of the present disclosure provides a train safety inspection system based on the train identification system of the above embodiments, including:
- the train identification system of each of the above embodiments is located near the area where the inspection equipment is located;
- the radiation control module is used to control the working state of the inspection equipment according to the type and / or running condition of the inspected train determined by the identification module.
- the radiation control module is used to turn on the inspection device for preparation if the identification module determines that there is a freight car in the upcoming train to be inspected, and keep the inspection device off when there is no freight car.
- the radiation control module is used to cause the inspection device to emit rays when the identification module determines that a freight car passes through the inspection device, and the identification module determines that the locomotive or passenger car passes the inspection device, or the inspected train When the traveling speed is reduced to a preset value or stopped, the inspection equipment stops emitting rays.
- the radiation control module is used to adjust the scanning frequency of the inspection device to match the traveling speed of the inspected train determined by the identification module.
- the train identification system is integrated on the inspection equipment.
- a train safety inspection method including:
- the step of controlling the working state of the inspection equipment according to the determined type and / or running condition of the inspected train specifically includes:
- the step of controlling the working state of the inspection equipment according to the determined type and / or running condition of the inspected train specifically includes:
- the inspection equipment With the inspection equipment turned on, determine the type of the train that passed the inspection equipment. If a freight car passes the inspection equipment, the inspection equipment emits rays for inspection; if the vehicle or passenger car passes the inspection equipment, the inspection equipment Stop emitting radiation or reduce the radiation emission dose.
- the step of controlling the working state of the inspection equipment according to the determined type and / or running condition of the inspected train specifically includes:
- the inspection equipment In the case where the traveling speed of the inspected train is reduced to a preset value or stopped, the inspection equipment is stopped to emit radiation or the radiation emission dose is reduced.
- it also includes:
- the remote detection component obtains the overall feature information of the detected train through remote monitoring, and the remote detection component can be flexibly arranged outside the area where the train track is located, reducing the installation location Requirements; and through remote monitoring, there are multiple recognition opportunities in the process of trains traveling from far to near to improve the accuracy of recognition, and can be recognized early to give timely results; in addition, by obtaining the overall characteristics of the train being inspected
- the information can comprehensively provide a basis for judging the type of train and / or the running situation, further improve the accuracy of identification, and have good adaptability to different trains.
- FIG. 1 is a schematic diagram of module composition of some embodiments of a train identification system of the present disclosure
- FIG. 2 is a schematic diagram of module composition of some embodiments of the train safety inspection system of the present disclosure
- FIG. 3 is a schematic flowchart of some embodiments of a train safety inspection method of the present disclosure
- FIG. 4 is a schematic flowchart of other embodiments of the train safety inspection method of the present disclosure.
- first and second appearing in the present disclosure are only for convenience of description, to distinguish different component parts having the same name, and do not indicate a sequential or primary-subordinate relationship.
- orientation or positional relationship indicated by “upper”, “lower”, “top”, “bottom”, “front”, “back”, “inner”, and “outer” is used as the basis
- the orientation or positional relationship shown in the drawings is only for the convenience of describing the present disclosure, and does not indicate or imply that the device referred to must have a specific orientation, be constructed and manipulated in a specific orientation, and therefore cannot be construed as limiting the protection scope of the present disclosure .
- the present disclosure provides a train identification system.
- it includes a remote detection component 10 and an identification module 20.
- the remote detection component 10 is used to obtain the overall characteristics of the train under inspection through remote monitoring. Information, including the color or outline of the train. For example, it can be set in the area outside the train in the width direction of the track to achieve remote monitoring.
- the identification module 20 is used to extract the characteristic parameters of the train according to the acquired overall characteristic information, so as to determine the type and / or running condition of the detected train. According to the judgment result of the identification module 20, fault diagnosis, maintenance or safety inspection of the train can be performed.
- the types of trains to be inspected include special types such as locomotives, freight cars, passenger cars, and / or engineering vehicles.
- the type of the trains here may be the entire type of train or the type of each car in a single train.
- the requirements for follow-up work such as fault diagnosis, repair or safety inspection are different, so a quick and accurate judgment of the car model can ensure that the follow-up work is performed correctly.
- the travel status of the inspected train includes: the arrival of the train, the direction of travel, the travel route and / or the speed of travel.
- the start and stop of the working equipment can be controlled in real time according to whether there is a train or not, and the working performance parameters of the equipment can be matched with the traveling direction, traveling route and / or traveling speed of the train.
- the train identification system of this embodiment of the present disclosure has at least one of the following advantages:
- the remote detection unit 10 adopts the remote monitoring method, which can flexibly arrange the remote detection unit 10 outside the area where the train track is located, reduce the need for installation location, and can be installed in the area close to the working equipment corresponding to the train identification system. Compact layout, small footprint and easy maintenance. It is more flexible in choosing the installation site, without considering the conditions such as bends, turnouts and stations.
- line array cameras or sensors can only be detected when the train travels to the location of the detection component. Considering the time required for information processing, in order to identify early, the detection component can only be set at a distance from the working equipment (such as inspection equipment). The separation distance needs to be set according to the traveling speed of the train, and it occupies a large area, which is not convenient for maintenance.
- the remote detection unit 10 adopts the remote monitoring method, and there are multiple recognition opportunities during the train travel from far to near to improve the recognition accuracy, and can be recognized early to give the results in time for the work equipment to use, It also has strong adaptability to trains with fast travel speed, and can be applied to trains with different travel speeds.
- the remote detection unit 10 can only be set at a distance from the working equipment (such as inspection equipment), and the position of the detection unit may need to be changed again after the train speeds up.
- the linear array camera needs to stitch the collected images, the number of processed images is large, the processing speed is slow, and the response ability is poor.
- the remote detection component 10 includes a camera for capturing video information of the detected train
- the identification module 20 is used for extracting characteristic parameters of the train from the video information captured by the camera to determine the type and type of the detected train / Or progress. In the video, the whole train and the images of some cars in the train can be identified and judged.
- the key feature parameters of the train can be directly extracted through video, such as train color, length, height, and wheelbase.
- the train recognition system can use a large number of samples for deep learning to match the key feature parameters that characterize the type of train being inspected. Determine the type of train being inspected.
- the camera can be taken from an appropriate angle, and in order to improve the accuracy of judgment, multiple cameras can be installed to shoot from multiple different angles to comprehensively reflect the details of each angle of the train.
- the images in the video can intuitively and accurately determine whether the train arrives and the direction of travel, and directly determine the train's travel route, effectively solving complex track conditions such as bends and turnouts.
- the speed of the inspected train can be accurately obtained through the image changes in the video.
- the first position and the second position are selected from the far and near directions within the field of view of the camera, and the number of frames and the time required for the detected train to reach the second position from the first position are obtained from the video, and the video is obtained The frame rate of the train in from the first position to the second position. Then compare the obtained frame rate with the frame rate of the train at the preset travel speed to obtain the travel speed of the inspected train.
- any two detection positions can be used as the first position and the second position to achieve speed detection, so the speed detection of the detected train can be continuous and uninterrupted It can be carried out at the same time, and it can also detect the direction of the vehicle, such as abnormal situations such as parking and reversing.
- multiple cameras there are multiple cameras, multiple cameras are located in the same area, and have different focal lengths, respectively used for shooting when the train is at a different distance range relative to the camera, the focal length is positively related to the distance range In order to ensure the quality of the video shooting in the process of the train traveling from far to near, it provides a basis for the accurate judgment of the recognition module 20.
- a camera with a small focal length to shoot the train at close range a camera with a large focal length to shoot the train remotely, and a camera with a central focal length to shoot the train at a middle distance.
- a camera with a focal length of 10 mm shoots a train within the working equipment area
- a camera with a focal length of 10-30 mm shoots a range of intermediate distances
- Each camera can cover a certain range, and the coverage of cameras with different focal lengths is also different, as long as multiple cameras achieve continuous coverage from far to near, without integrating the video captured by each camera.
- the camera with the largest focal length starts to be identified at the earliest, then it is near, and so on. As long as there is a train within the range of the camera, it will be recognized all the time.
- the remote detection components 10 are installed on the working equipment.
- the overall structure of the remote detection component 10 and the working equipment can be made more compact, occupying less space, and easy to maintain.
- the camera's shooting angle, height, and / or focal length are adjustable.
- the shooting angle of the camera By adjusting the shooting angle of the camera, the best shooting angle for the train can be adjusted, and the position of the train on multiple side-by-side rails can also be adjusted; by adjusting the shooting height of the camera, the position of the shooting far point can be adjusted to Allow sufficient time for the identification of train types and / or travel conditions.
- the focal length of the camera By adjusting the focal length of the camera, the distance range of the video can be captured as needed.
- the first position and the second position can be determined according to the aforementioned method to speed the train measuring.
- a set of inspection equipment 30 is needed to inspect multiple tracks, two methods may be used. First, there is one camera, which divides the captured video into different areas to correspond to different tracks. Second, there are multiple cameras, and each camera respectively shoots different tracks to detect and identify trains traveling on different tracks.
- the remote detection unit 10 in the above embodiment may also use laser or radar.
- the laser detection can be scanned at a certain frequency, and the principle of laser distance measurement is used to obtain the contour information of the detected train, so as to match and identify the train type, or judge the train travel status.
- Radar detection is to use electromagnetic waves to find the target train to be inspected and determine its spatial position. The radar emits electromagnetic waves to illuminate the target and receive its echoes, thereby obtaining the distance from the target to the point of electromagnetic wave emission, the rate of change of distance (radial velocity) Position, altitude and other information.
- the present disclosure also provides an identification method based on the train identification system described in the above embodiments. In some embodiments, it includes:
- the remote detection component 10 obtains the overall characteristic information of the inspected train through remote monitoring;
- the identification module 20 determines the type and / or running status of the train under inspection based on the acquired overall feature information.
- the step of the identification module 20 determining the type and / or running status of the checked train based on the acquired overall feature information includes: the identifying module 20 extracts the characteristic parameters of the train from the acquired overall feature information to determine The speed of the checked train.
- the identification module 20 extracts the characteristic parameters of the train from the acquired overall characteristic information to determine the traveling speed of the checked train.
- the specific steps include:
- the traveling speed of the inspected train can be accurately obtained through the image change in the video.
- the present disclosure also provides a train safety inspection system, as shown in FIG. 2, which includes an inspection device 30, a radiation control module 40, and the train identification system of the above embodiment.
- the inspection equipment 30 is used to perform safety inspection on the inspected train.
- the ray source in the inspection equipment 30 emits rays to scan and inspect the passing train to determine whether the cargo in the train is in compliance with safety standard.
- the train identification system is located adjacent to the area where the inspection device 30 is located, and the radiation control module 40 is used to control the working state of the inspection device 30 according to the type and / or running condition of the inspected train determined by the identification module 20.
- the remote detection component 10 since the remote detection component 10 adopts the remote monitoring mode, the remote detection component 10 can be arranged in an area adjacent to the inspection device 30, so that the overall layout of the device is compact, the occupied area is small, and maintenance is convenient. It is more flexible in choosing the installation site, without considering the conditions such as bends, turnouts and stations. Moreover, the remote detection unit 10 judges the train type and traveling situation more accurately, and can accurately control the start and stop of the inspection device 30 and the timing of emitting rays. In addition, the remote detection unit 10 can identify the train type and the traveling situation early, and increase the information processing speed, so that the inspection device 30 can inspect the goods in the train in a comprehensive and timely manner, and avoid missing inspections.
- the remote detection unit 10 can only be set at a distance from the inspection device 30, so that the entire train safety inspection system needs to occupy a larger space and needs to be different. Locations are maintained separately. Moreover, the train can only be identified once, and the accuracy of the identification result is not high, which may result in the missed inspection of the listed goods.
- the radiation control module 40 is used to turn on the inspection device 30 for preparations such as preparation when the identification module 20 determines that there is a freight car in the upcoming train to be inspected.
- the inspection device 30 remains in a closed state, for example, the train is a single locomotive or a double locomotive, which does not include a carriage, or the entire train is a passenger car, etc.
- the identification module 20 can determine in advance whether there is a freight car in the upcoming train to be checked, and if so, turn on the inspection device 30 to prepare in advance, when the freight car passes the inspection device 30 The rays are re-emitted, so that the inspection state equipment can be in the inspection state in time when the freight car passes by. If there is no truck compartment, keep the inspection device 30 closed, reduce the power consumption of the inspection device 30, and reduce the equipment loss.
- the radiation control module 40 is used to cause the inspection device 30 to emit rays when the identification module 20 determines that a freight car passes the inspection device 30, and the identification module 20 determines that the vehicle or passenger car passes the inspection device 30, or when the traveling speed of the inspected train is reduced to a preset value or stopped, the inspection device 30 stops emitting radiation or reduces the radiation emitting dose.
- This embodiment emits a ray inspection cargo when it recognizes that a freight car in the train passes the inspection device 30, and can comprehensively inspect the cargo carried in the train, and stops emitting the ray when the locomotive or passenger car passes the inspection device 30, or Reducing the radiation emission dose can reduce the damage caused by radiation to personnel, and improve the safety of the inspection device 30 for train inspection.
- the inspection device 30 may also stop emitting rays.
- the radiation control module 40 is used to adjust the scanning frequency of the inspection device 30 to match the traveling speed of the inspected train determined by the identification module 20.
- the speed of the train travel is obtained through the video stream, and the scanning frequency of the inspection device 30 can be adjusted in real time to ensure that the scanned image is not distorted, so that the cargo situation inside the truck can be more clearly observed.
- the train identification system is integrated on the inspection device 30.
- the remote detection component 10 does not need to occupy extra space, the equipment layout is compact, and the floor space is small, which is convenient for the layout and installation of the scanning inspection equipment 30, and the train safety inspection system can be maintained as a whole equipment, which is flexible when selecting the installation site The degree is greater, no need to consider the situation of bends, turnouts, stations and so on.
- the identification module 20 can be set independently or integrated with the control system of the inspection device 30 itself.
- the present disclosure provides an inspection method based on the above-mentioned train identification system or train safety inspection system.
- it includes:
- Step 101 Determine the type and / or running status of the train being inspected
- Step 102 Control the working state of the inspection device 30 according to the determined type and / or running condition of the inspected train.
- step 101 may be performed by the identification module 20 in real time
- step 102 may be performed by the radiation control module 40.
- the remote detection unit 10 since the remote detection unit 10 adopts the remote monitoring mode, the remote detection unit 10 judges the train type and the traveling situation more accurately, and can accurately control the start and stop of the inspection device 30 and the timing of emitting rays.
- the remote detection unit 10 can identify the train type and the traveling situation early, and increase the information processing speed, so that the inspection device 30 can inspect the goods in the train in a comprehensive and timely manner, and avoid missing inspections.
- step 102 specifically includes:
- Step 201 when it is judged that the inspected train is coming, then judge whether there is a freight car in the inspected train, if there is, then execute step 202, otherwise execute step 203;
- Step 202 Turn on the inspection device 30 for preparation
- Step 203 Keep the inspection device 30 off.
- steps 201-203 are executed by the radiation control module 40.
- This embodiment not only enables the inspection equipment to enter the inspection state in time when the truck compartment passes by, but also can keep the inspection equipment 30 closed when there is no truck compartment, which can reduce the power consumption of the inspection equipment 30 and reduce the equipment loss.
- step 102 specifically includes:
- Step 301 In the state where the inspection device 30 is turned on, determine the type of the train passing the inspection device 30. If a freight car passes the inspection device 30, perform step 302; if the vehicle or passenger car passes the inspection device 30, then Go to step 303;
- step 302 the inspection device 30 emits radiation for inspection
- Step 303 Stop the inspection device 30 from emitting radiation or reduce the radiation emission dose.
- steps 301-303 are executed by the radiation control module 40.
- This embodiment emits a ray inspection cargo when it recognizes that a freight car in the train passes the inspection device 30, and can comprehensively inspect the cargo carried in the train, and stops emitting the ray when the locomotive or passenger car passes the inspection device 30, or Reducing the radiation emission dose can reduce the damage caused by radiation to personnel, and improve the safety of the inspection device 30 for train inspection.
- step 102 specifically includes: when the traveling speed of the inspected train is reduced to a preset value or stopped, causing the inspection device 30 to stop emitting radiation or reducing the radiation emitting dose.
- the purpose of this embodiment is to prevent people coming out of the train from being injured by radiation and improve the safety of the people.
- the train safety inspection method of the present disclosure further includes:
- Step 103 Adjust the scanning frequency of the inspection device 30 to match the traveling speed of the inspected train.
- Step 103 is not shown in the figure and can be executed by the radiation control module 40, and can be adjusted at any time after the train appears in the video and between passing the inspection device 30.
- the speed of the train travel is obtained through the video stream, and the scanning frequency of the inspection device 30 can be adjusted in real time to ensure that the scanned image is not distorted, so that the cargo situation inside the truck can be more clearly observed.
- the train identification system and method of the present disclosure can remotely detect the presence or absence of train arrival, traveling speed, traveling direction, train type, etc., without the need to install sensors, detection devices, etc. farther away from the inspection equipment 30, which can effectively reduce Covers an area and avoids installing devices on rails.
- the type of train can be judged multiple times and identified in real time, and for complex track conditions such as single track, double track, even multiple tracks, bends, turnouts, etc., the comprehensive judgment ability of the system can be improved, thereby improving the safety of the inspection equipment 30. At the same time, it reduces the impact of the train on the track due to bumps and other conditions on the sensor, providing a basis for the stable and reliable operation of the inspection device 30.
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Abstract
Description
Claims (19)
- 一种列车识别系统,包括:远程检测部件(10),用于通过远程监测的方式获取被检列车的整体特征信息;和识别模块(20),用于根据获取的整体特征信息判断出被检列车的类型和/或行进情况。
- 根据权利要求1所述的列车识别系统,其中,所述被检列车的类型包括机车、货车、客车和/或工程车;或者所述被检列车的行进情况包括:有无列车到来、行进方向、行进路线和/或行进速度。
- 根据权利要求1所述的列车识别系统,其中所述远程检测部件(10)包括摄像头,用于拍摄所述被检列车的视频信息。
- 根据权利要求3所述的列车识别系统,其中所述摄像头设有多个,各个所述摄像头具有不同的焦距,分别用于在列车处于不同距离范围时进行拍摄。
- 根据权利要求3所述的列车识别系统,其中所述摄像头的拍摄角度、高度和/或焦距可调。
- 根据权利要求3所述的列车识别系统,其中,所述摄像头设有一个,拍摄的视频划分为不同区域以对应不同的轨道;或者所述摄像头设有多个,各个所述摄像头分别对应拍摄不同的轨道。
- 根据权利要求1所述的列车识别系统,其中所述远程检测部件(10)包括激光或雷达。
- 一种基于权利要求1~7任一所述的列车识别系统的识别方法,包括:所述远程检测部件(10)通过远程监测的方式获取被检列车的整体特征信息;所述识别模块(20)根据获取的整体特征信息判断出被检列车的类型和/或行进情况。
- 根据权利要求8所述的列车识别方法,其中所述识别模块(20)根据获取的整体特征信息判断出被检列车的类型和/或行进情况的步骤包括:所述识别模块(20)从获取的整体特征信息中提取列车的特征参数,以判断出被检列车行进速度;其中,所述识别模块(20)从获取的整体特征信息中提取列车的特征参数,以判断出被检列车行进速度的步骤包括:在摄像头的视野范围内,沿着被检列车由远及近的方向选定第一位置和第二位置;从视频中获得被检列车由所述第一位置到达所述第二位置的帧数和所需时间,得出视频中的被检列车由所述第一位置到达第二位置的帧数率;将被检列车的帧数率与列车在预设行进速度下的帧数率进行比较,以得出被检列车的行进速度。
- 一种基于权利要求1~7任一所述的列车识别系统的列车安全检查方法,包括:判断所述被检列车的类型和/或行进情况;根据判断出的被检列车的类型和/或行进情况控制检查设备(30)的工作状态。
- 根据权利要求10所述的列车安全检查方法,其中根据判断出的被检列车的类型和/或行进情况控制检查设备(30)的工作状态的步骤具体包括:在判断出被检列车即将到来时,再判断被检列车中是否存在货车车厢,如果存在,则开启所述检查设备(30)进行预备,否则使所述检查设备(30)保持关闭状态。
- 根据权利要求10或11所述的列车安全检查方法,其中根据判断出的被检列车的类型和/或行进情况控制检查设备(30)的工作状态的步骤具体包括:在所述检查设备(30)开启的状态下,判断通过所述检查设备(30)的被检列车的车型,若有货车车厢通过所述检查设备(30),则使所述检查设备(30)发出射线进行检查;若有机车或客车车厢通过所述检查设备(30),则使所述检查设备(30)停止发出射线或减小射线发出剂量。
- 根据权利要求10或11所述的列车安全检查方法,其中根据判断出的被检列车的类型和/或行进情况控制检查设备(30)的工作状态的步骤具体包括:在所述被检列车的行进速度减小至预设值或停止的情况下,使所述检查设备(30)停止发出射线或减小射线发出剂量。
- 根据权利要求10所述的列车安全检查方法,还包括:调整所述检查设备(30)的扫描频率与所述被检列车的行进速度相匹配。
- 一种列车安全检查系统,包括:检查设备(30),用于对被检列车进行安全检查;权利要求1~7任一所述的列车识别系统,设在邻近所述检查设备(30)所在区域;和辐射控制模块(40),用于根据所述识别模块(20)判断出的被检列车的类型和/或行进情况控制所述检查设备(30)的工作状态。
- 根据权利要求15所述的列车安全检查系统,其中所述辐射控制模块(40)用于在所述识别模块(20)判断出即将到来的被检列车中存在货车车厢的情况下开启所述检查设备(30)进行预备,在不存在货车车厢的情况下使所述检查设备(30)保持关闭状态。
- 根据权利要求15所述的列车安全检查系统,其中所述辐射控制模块(40)用于在所述识别模块(20)判断出有货车车厢通过所述检查设备(30)的情况下使所述检查设备(30)发出射线,并在所述识别模块(20)判断出有机车或客车车厢通过所述检查设备(30),或者所述被检列车的行进速度减小至预设值或停止的情况下,使所述检查设备(30)停止发出射线。
- 根据权利要求15所述的列车安全检查系统,其中所述辐射控制模块(40)用于调整所述检查设备(30)的扫描频率与所述识别模块(20)判断出的被检列车的行进速度相匹配。
- 根据权利要求15所述的列车安全检查系统,其中所述列车识别系统集成设置在所述检查设备(30)上。
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PL443921A1 (pl) | 2023-07-31 |
GB2593087A (en) | 2021-09-15 |
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