CN117622275A - Railway crossing safety protection device and method based on intelligent perception - Google Patents
Railway crossing safety protection device and method based on intelligent perception Download PDFInfo
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Abstract
The invention provides a railway crossing safety protection device and method based on intelligent perception. The crossing device subsystem comprises a radar component and a camera component for monitoring the crossing and a crossing execution component which is arranged on the crossing to enable the crossing to be in a closed state or an open state; the control terminal subsystem is used for reading the crossing monitoring information and controlling the crossing executing component to open or close the crossing; the vehicle-mounted terminal subsystem comprises a locomotive information reading component for reading the position and speed information of the locomotive where the vehicle-mounted terminal subsystem is located. The railway crossing safety protection device and method based on intelligent perception, disclosed by the invention, adopt a perception method of fusing a radar and a visual camera, and have the advantages of wide detection range and high detection precision; through complementation of two sensing modes of the radar and the visual camera, the method can realize accurate detection in all-weather and various severe weather environments.
Description
Technical Field
The invention relates to a railway crossing safety protection device and method based on intelligent perception.
Background
Special freight railway crossings include manned crossings, unmanned crossings and "illegal" crossings (i.e. crossings which, although nominally not provided, are in fact due to frequent crossing by surrounding persons).
In the safety accidents related to special freight railways, the crossing is a type of area with high accident occurrence frequency. In order to reduce the occurrence of crossing safety accidents, crossing control and protection modes are changed with the progress of the related technology. Early days, based on a fully manual mode, the guard personnel were relied on to watch and manually control the railing; detecting the approach of the train by installing a sensor on the track, and giving out an audible and visual alarm; with the development of video monitoring technology, video cameras are installed at a plurality of ports, but more video cameras have a recording function and are used for post analysis.
More and more attended crossings are provided with protection measures such as a video monitoring system, a railing lifting system and the like. The measures reduce the occurrence of important position safety accidents such as crossing and the like to a certain extent. There are still some problems with existing solutions. For example, a camera adopted for video monitoring has certain requirements on illumination, and is inevitably influenced by bad weather and the like. In addition, when an unexpected situation occurs at the road (such as an automobile is anchored or blocked at the road junction, or a driver is not timely informed by a road junction attendant or the road junction is unattended), a train driver can not necessarily timely learn the road junction situation, and the opportunity to take effective measures is missed, so that the unexpected accident occurs, and life and property losses are caused. Safety accidents are frequent at crossings without these protective measures (e.g. "illegal" crossings, bends, tunnel crossings, etc.).
Disclosure of Invention
The invention aims to provide a railway crossing safety protection device and method based on intelligent perception, which have the advantage of high crossing safety.
In order to achieve the above object, the present invention provides a railway crossing safety protection device and method based on intelligent perception, the crossing safety protection device comprises:
the crossing device subsystem comprises a radar component, a camera component, a crossing execution component, a control component and a first communication component, wherein the radar component, the camera component and the crossing execution component are electrically connected with the control component, the control component is electrically connected with the first communication component, and the radar component and the camera component are used for being installed at a crossing to monitor the crossing; the crossing execution part is arranged on the crossing to enable the crossing to be in a closed state or an open state;
the control terminal subsystem is in communication connection with the crossing device subsystem through the first communication component, and is used for reading the identification result information of the crossing device subsystem and controlling the crossing executing component to open or close a crossing according to the identification result information;
the vehicle-mounted terminal subsystem is used for being installed on a locomotive and comprises a second communication component, an output component and a locomotive information reading component, the vehicle-mounted terminal subsystem is in communication connection with the control terminal subsystem through the second communication component, the locomotive information reading component is used for reading the position and speed information of the locomotive where the vehicle-mounted terminal subsystem is located and transmitting the position and speed information to the control terminal subsystem, and the output component is used for outputting video information of a front road junction of the locomotive where the vehicle-mounted terminal subsystem is located.
Optionally, the safety protection device includes a plurality of the crossing device subsystems, the plurality of the crossing device subsystems are installed at different crossing, the control terminal subsystem is used for obtaining the identification result information of each crossing device subsystem, and providing fault alarm according to the identification result information.
Optionally, the safety protection device comprises a plurality of vehicle-mounted terminal subsystems, the vehicle-mounted terminal subsystems are arranged on different locomotives, and the control terminal subsystems are used for acquiring position and speed information of the different locomotives and pushing video information of a corresponding front road junction to the locomotives.
Optionally, the radar component and the camera component are further used for monitoring a road near the crossing.
Optionally, the output part of the vehicle-mounted terminal subsystem is further used for displaying video information of the road near the front road junction.
Optionally, the control terminal subsystem is arranged at a station or a control center.
Optionally, the first communication component includes a wired communication component, and the control component is connected to the control terminal subsystem through the wired communication component.
Optionally, the first communication component includes a wireless communication component, and the control component is connected to the control terminal subsystem through the wireless communication component.
Optionally, the output component is connected to a train control vehicle-mounted equipment man-machine interface of the locomotive, and the output component outputs the video information of the front road junction of the locomotive where the vehicle-mounted terminal subsystem is located through the train control vehicle-mounted equipment man-machine interface on the locomotive.
Optionally, the output component is further used for outputting distance information between the locomotive where the vehicle-mounted terminal subsystem is located and the front road junction.
Optionally, the crossing execution part further comprises an audible and visual alarm module, wherein the audible and visual alarm module is used for emitting sound and light so as to emit audible and visual information alarms to surrounding personnel.
Optionally, the crossing execution part further comprises a text alarm module, wherein the text alarm module is used for displaying text information so as to send out text information alarms to surrounding personnel.
Optionally, the radar component comprises a millimeter wave radar.
Optionally, the crossing device subsystem further includes an artificial intelligent recognition component, an input end of the artificial intelligent recognition component is connected to the millimeter wave radar and the camera component, and the artificial intelligent recognition component is used for fusing detection results of the millimeter wave radar and the camera component and generating recognition result information to be transmitted to the control component.
The invention also provides a railway crossing safety protection method based on intelligent perception, which is realized by adopting the railway crossing safety protection device based on intelligent perception, and comprises the following steps:
s10, the control terminal subsystem acquires position and speed information of a locomotive, judges a crossing through which the locomotive passes, and sends a signal to a control part of a crossing device subsystem of the crossing when the distance between the locomotive and the crossing is smaller than or equal to a first threshold value;
s20, the control part acquires state information around a crossing area from the radar part and the camera part, starts audible and visual alarm and issues text information of the distance between a train to be approached and the crossing and the expected arrival time;
s30, the control part judges whether the crossing is closed or not, if not, the crossing is closed, and crossing closing information is fed back to the control terminal subsystem; if the barrier exists, the barrier alarm information of the crossing is fed back to the control terminal subsystem, and the control terminal subsystem sends the alarm information to a locomotive driver;
s40, when the distance between the locomotive and the crossing is smaller than or equal to a second threshold value, the control terminal subsystem pushes video information of the crossing to the vehicle-mounted terminal subsystem of the locomotive, and the second threshold value is smaller than the first threshold value;
and S50, after the locomotive passes through the crossing, the control terminal subsystem sends locomotive passing-through crossing information to the control component, and the control component controls the crossing execution part to open the crossing and close the audible and visual alarm and the text information.
Optionally, in step S30, the artificial intelligence recognition component fuses the detection results of the millimeter wave radar and the camera component and generates recognition result information to transmit to the control component, and the control component determines whether the crossing is closed according to the recognition result information of the artificial intelligence recognition component.
In summary, compared with the prior art, the railway crossing safety protection device and method based on intelligent perception provided by the invention have the following beneficial effects:
the railway crossing safety protection device and method based on intelligent perception, disclosed by the invention, adopt a perception method of combining the radar and the visual camera, can detect pedestrians and vehicles moving on a crossing road within 200 meters of the crossing and the crossing road, and have the advantages of wide detection range and high detection precision; through complementation of two perception modes of a radar and a visual camera, the device can realize accurate detection in all weather (day and night) and various severe weather environments (wind, frost, rain, snow, sand and dust and haze); based on intelligent perception of radar and vision camera integration, safer and more reliable lifting control of the gate railing is realized; the road junction and the road junction peripheral conditions (including road junction video and moving targets on road near the road junction) are sent to the locomotive as required, so that comprehensive information of beyond-sight distance is provided for locomotive drivers, and the road junction safety and the road junction passing efficiency are improved; the distance between the locomotives and the crossing and the expected arrival time are displayed on the crossing, accurate information is provided for pedestrians and vehicles which are about to pass through the crossing on the road, decision whether the locomotives pass through the crossing before arriving is conveniently made, and safety of the pedestrians and the vehicles passing through the crossing is improved.
Drawings
Fig. 1 is a subsystem connection relationship diagram of the railway crossing safety protection device based on intelligent perception.
Fig. 2 is a schematic structural diagram of the railway crossing safety protection device based on intelligent perception.
Fig. 3 is a flow chart of a railway crossing safety protection method based on intelligent perception.
Reference numerals illustrate:
safety shield apparatus 10
Crossing device subsystem 100
Radar component 110
Camera part 120
Control part 130
Artificial intelligence recognition component 140
Crossing execution part 150
Intelligent railing 151
Audible and visual alarm module 152
Voice alarm module 153
Text alarm module 154
Control terminal subsystem 200
Control center 210
Vehicle-mounted terminal subsystem 300
Communication network 400
Detailed Description
The technical scheme, constructional features, achieved objects and effects of the embodiments of the present invention will be described in detail below with reference to fig. 1 to 3 in the embodiments of the present invention.
It should be noted that, the drawings are in very simplified form and all use non-precise proportions, which are only used for the purpose of conveniently and clearly assisting in describing the embodiments of the present invention, and are not intended to limit the implementation conditions of the present invention, so that the present invention has no technical significance, and any modification of structure, change of proportion or adjustment of size, without affecting the efficacy and achievement of the present invention, should still fall within the scope covered by the technical content disclosed by the present invention.
It is noted that in the present invention, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
As shown in fig. 1 and 2, the present invention provides a railway crossing safety protection device 10 based on intelligent sensing, wherein the safety protection device 10 comprises a crossing device subsystem 100, a control terminal subsystem 200 and a vehicle-mounted terminal subsystem 300.
The crossing apparatus subsystem 100 includes a radar section 110, a camera section 120, a crossing execution section 150, a control section 130, and a first communication section. The radar section 110, the camera section 120, and the crossing execution section 150 are electrically connected to the control section 130, and the control section 130 is electrically connected to the first communication section. The radar section 110 and the camera section 120 are used to be installed at the crossing to monitor the crossing. In the present embodiment, the radar section 110 includes a millimeter wave radar, and the millimeter wave radar and the camera section 120 are used not only for monitoring the crossing but also for detecting a road near the crossing. The camera unit 120 is used to acquire a video signal of a road near the crossing. The crossing device subsystem 100 further includes an artificial intelligence recognition unit 140, wherein an input end of the artificial intelligence recognition unit 140 is connected to the millimeter wave radar and the camera unit 120, and the artificial intelligence recognition unit 140 is configured to fuse detection results of the millimeter wave radar and the camera unit 120 and generate recognition result information for transmission to the control unit 130. The crossing execution part 150 is installed at the crossing to make the crossing in a closed state or an open state, the crossing execution part 150 comprises an intelligent barrier 151, the control part 130 controls the intelligent barrier 151 to rise or fall according to the identification result information of the artificial intelligent identification part 140, when the intelligent barrier 151 is in a down state, the intelligent barrier 151 prevents personnel or vehicles from entering a railway, and the crossing is in a closed state; when the intelligent balustrade 151 is in the raised state, personnel or vehicles are allowed to enter the railroad, and the crossing is in an open state.
In the present embodiment, the first communication part includes a wired communication component through which the control part 130 is connected to control the terminal subsystem 200. The crossing unit subsystem 100 is preferably connected to the control terminal subsystem 200 using a wired communication assembly that provides a more rapid and stable communication connection. The crossing device subsystem 100, the control terminal subsystem 200, and the vehicle-mounted terminal subsystem 300 are connected by a communication network 400.
In other embodiments, the first communication component comprises a wireless communication component through which the control component 130 is coupled to control the terminal subsystem 200. If the crossing is in an area where no wired network is laid, the control terminal subsystem 200 is connected by a wireless communication module, and the wireless communication module can use 4G/5G communication.
The control terminal subsystem 200 is communicatively connected to the crossing device subsystem 100 through the first communication unit, and the control terminal subsystem 200 is configured to read identification result information of the crossing device subsystem 100, and control the crossing executing unit 150 to open or close the crossing through the control unit 130 of the crossing device subsystem 100 according to the identification result information.
The in-vehicle terminal subsystem 300 is for installation on a locomotive. The in-vehicle terminal subsystem 300 includes a second communication section, an output section, and a locomotive information reading section. The vehicle-mounted terminal subsystem 300 is in communication connection with the control terminal subsystem 200 through a second communication component, the locomotive information reading component is used for reading the position and speed information of the locomotive where the vehicle-mounted terminal subsystem 300 is located and transmitting the information to the control terminal subsystem 200, and the output component is used for outputting video information of the locomotive where the vehicle-mounted terminal subsystem 300 is located and roads near the front road junction and outputting distance information of the locomotive where the vehicle-mounted terminal subsystem 300 is located and the front road junction. In this embodiment, the output component is connected to a train control on-board device man-machine interface of the locomotive, and the output component outputs video information of the front road junction of the locomotive where the on-board terminal subsystem 300 is located through the train control on-board device man-machine interface (Driver machine interface, DMI) on the locomotive. The existing DMI on the locomotive outputs video pictures and alarm information of the crossing to the driver, and other display devices are not required to be arranged on the locomotive. In this application, a locomotive refers to a train traveling on a railroad. In addition, when the locomotive approaches the crossing, the control part 130 of the crossing device subsystem 100 can also directly transmit the video signal and the alarm information of the crossing to the vehicle-mounted terminal subsystem 300, so that the information transmission efficiency between the crossing device subsystem 100 and the vehicle-mounted terminal subsystem 300 is improved.
The safety protection device 10 of the present invention includes a plurality of crossing device subsystems 100, the plurality of crossing device subsystems 100 are installed at different crossing, and the control terminal subsystem 200 is respectively connected to each crossing device subsystem 100 so as to obtain the identification result information of each crossing device subsystem 100, and provide fault alarm according to the identification result information.
And safety shield apparatus 10 includes a plurality of vehicle-mounted terminal subsystems 300, with the plurality of vehicle-mounted terminal subsystems 300 being mounted to different locomotives, and control terminal subsystem 200 being used to obtain position and speed information for the different locomotives. The control terminal subsystem 200 is disposed at a station or a control center 210, the control terminal subsystem 200 obtains the position of each locomotive on the railway network, judges the crossing to be crossed in front of the locomotive according to the running speed of the locomotive, obtains the detection information of the radar part 110 and the camera part 120 in the crossing device subsystem 100 installed at the corresponding crossing, and pushes the video information of the corresponding front crossing to the locomotive to be displayed to the driver on the locomotive through the DMI, so that the driver can know the condition of the front crossing in time.
The crossing execution unit 150 further includes an audible and visual alarm module 152 and a voice alarm module 153, wherein the audible and visual alarm module 152 is used for emitting sound and light to give out audible and visual information alarms to surrounding personnel. The voice alarm module 153 is used for sending voice alarm information to personnel and vehicles around the crossing to remind personnel and locomotives near the crossing that the locomotive is about to reach the crossing.
In addition, the crossing execution unit 150 further includes a text alarm module 154, wherein the text alarm module 154 is used for displaying text information to give out text information alarms to surrounding personnel. The text information includes the distance between the locomotive closest to the current crossing and the crossing, the running speed of the locomotive and the time information of the locomotive estimated arrival at the crossing, so that people near the crossing can refer to and make decisions about whether to cross the crossing.
As shown in fig. 3, the present invention further provides a railway crossing safety protection method based on intelligent perception, the safety protection method is implemented by adopting the railway crossing safety protection device 10 based on intelligent perception, and the safety protection method includes:
and S10, the control terminal subsystem 200 acquires the position and speed information of the locomotive, judges the crossing through which the locomotive passes, and when the distance between the locomotive and the crossing is smaller than or equal to a first threshold value, the control terminal subsystem 200 sends a signal to the control part 130 of the crossing device subsystem 100 of the crossing.
S20, the control part 130 acquires state information around the crossing area from the radar part 110 and the camera part 120, starts audible and visual alarm, and issues text information of the distance between the approaching train and the crossing and the expected arrival time.
S30, the artificial intelligent recognition part 140 fuses detection results of the millimeter wave radar and the camera part 120 and generates recognition result information to be transmitted to the control part 130, the control part 130 judges whether the crossing is closed according to the recognition result information of the artificial intelligent recognition part 140, if not, the crossing is closed, and the crossing closing information is fed back to the control terminal subsystem 200; if there is an obstacle, the obstacle alarm information of the crossing is fed back to the control terminal subsystem 200, and the control terminal subsystem 200 sends the alarm information to the locomotive driver.
And S40, when the distance between the locomotive and the crossing is smaller than or equal to a second threshold value, the control terminal subsystem 200 pushes video information of the crossing to the vehicle-mounted terminal subsystem 300 of the locomotive, and the second threshold value is smaller than the first threshold value.
And S50, after the locomotive passes through the road junction, the control terminal subsystem 200 sends locomotive passing through road junction information to the control component 130, and the control component 130 controls the road junction executing part to open the road junction and close the audible and visual alarm and the text information.
While the present invention has been described in detail through the foregoing description of the preferred embodiment, it should be understood that the foregoing description is not to be considered as limiting the invention. Many modifications and substitutions of the present invention will become apparent to those of ordinary skill in the art upon reading the foregoing. Accordingly, the scope of the invention should be limited only by the attached claims.
Claims (16)
1. Railway crossing safety device based on intelligent perception, its characterized in that, safety device includes:
the crossing device subsystem comprises a radar component, a camera component, a crossing execution component, a control component and a first communication component, wherein the radar component, the camera component and the crossing execution component are electrically connected with the control component, the control component is electrically connected with the first communication component, and the radar component and the camera component are used for being installed at a crossing to monitor the crossing; the crossing execution part is arranged on the crossing to enable the crossing to be in a closed state or an open state;
the control terminal subsystem is in communication connection with the crossing device subsystem through the first communication component, and is used for reading the identification result information of the crossing device subsystem and controlling the crossing executing component to open or close a crossing according to the identification result information;
the vehicle-mounted terminal subsystem is used for being installed on a locomotive and comprises a second communication component, an output component and a locomotive information reading component, the vehicle-mounted terminal subsystem is in communication connection with the control terminal subsystem through the second communication component, the locomotive information reading component is used for reading the position and speed information of the locomotive where the vehicle-mounted terminal subsystem is located and transmitting the position and speed information to the control terminal subsystem, and the output component is used for outputting video information of a front road junction of the locomotive where the vehicle-mounted terminal subsystem is located.
2. The intelligent perception based railway crossing safety protection device as claimed in claim 1, wherein the safety protection device comprises a plurality of crossing device subsystems, the crossing device subsystems are installed on different crossing, and the control terminal subsystem is used for acquiring the identification result information of each crossing device subsystem and providing fault alarm according to the identification result information.
3. The intelligent perception based railway crossing safety protection device as claimed in claim 2, wherein the safety protection device comprises a plurality of vehicle-mounted terminal subsystems, the vehicle-mounted terminal subsystems are installed on different locomotives, and the control terminal subsystems are used for acquiring position and speed information of the different locomotives and pushing video information of a corresponding front crossing to the locomotive.
4. The intelligent awareness based railway crossing safety guard of claim 1 wherein the radar component and the camera component are further configured to monitor a roadway near the crossing.
5. The intelligent-sensing-based railway crossing safety device according to claim 4, wherein the output part of the vehicle-mounted terminal subsystem is further used for displaying video information of a road near a front crossing.
6. The intelligent-sensing-based railway crossing safety protection device according to claim 1, wherein the control terminal subsystem is arranged at a station or a control center.
7. The intelligent awareness based railway crossing safety shield apparatus of claim 1 wherein the first communication means comprises a wired communication assembly through which the control means is connected to the control terminal subsystem.
8. The intelligent awareness based railway crossing safety shield apparatus of claim 1 wherein the first communication means comprises a wireless communication assembly through which the control means is connected to the control terminal subsystem.
9. The intelligent perception based railway crossing safety protection device as claimed in claim 1, wherein the output component is connected to a train control vehicle-mounted equipment man-machine interface of a locomotive, and the output component outputs video information of a front crossing of the locomotive where the vehicle-mounted terminal subsystem is located through the train control vehicle-mounted equipment man-machine interface on the locomotive.
10. The intelligent perception based railway crossing safety protection device as claimed in claim 1 or 9, wherein the output component is further used for outputting distance information between a locomotive where the vehicle-mounted terminal subsystem is located and a front crossing.
11. The intelligent perception based railway crossing safety protection device of claim 1, wherein the crossing execution means further comprises an audible and visual alarm module for sounding and lighting to alert surrounding personnel of audible and visual information.
12. The intelligent awareness based railway crossing safety device of claim 11 wherein the crossing actuating means further comprises a text alert module for displaying text information to alert surrounding personnel of the text information.
13. The intelligent awareness based railway crossing safety shield apparatus of claim 1 wherein the radar component comprises millimeter wave radar.
14. The intelligent-perception-based railway crossing safety protection device as claimed in claim 13, wherein the crossing device subsystem further comprises an artificial intelligent recognition unit, an input end of the artificial intelligent recognition unit is connected to the millimeter wave radar and the camera unit, and the artificial intelligent recognition unit is used for fusing detection results of the millimeter wave radar and the camera unit and generating recognition result information to be transmitted to the control unit.
15. A railway crossing safety protection method based on intelligent perception, characterized in that the safety protection method is realized by adopting the railway crossing safety protection device based on intelligent perception as claimed in any one of claims 1 to 14, and the safety protection method comprises the following steps:
s10, the control terminal subsystem acquires position and speed information of a locomotive, judges a crossing through which the locomotive passes, and sends a signal to a control part of a crossing device subsystem of the crossing when the distance between the locomotive and the crossing is smaller than or equal to a first threshold value;
s20, the control part acquires state information around a crossing area from the radar part and the camera part, starts audible and visual alarm and issues text information of the distance between a train to be approached and the crossing and the expected arrival time;
s30, the control part judges whether the crossing is closed or not, if not, the crossing is closed, and crossing closing information is fed back to the control terminal subsystem; if the barrier exists, the barrier alarm information of the crossing is fed back to the control terminal subsystem, and the control terminal subsystem sends the alarm information to a locomotive driver;
s40, when the distance between the locomotive and the crossing is smaller than or equal to a second threshold value, the control terminal subsystem pushes video information of the crossing to the vehicle-mounted terminal subsystem of the locomotive, and the second threshold value is smaller than the first threshold value;
and S50, after the locomotive passes through the crossing, the control terminal subsystem sends locomotive passing-through crossing information to the control component, and the control component controls the crossing execution part to open the crossing and close the audible and visual alarm and the text information.
16. The intelligent-sensing-based railway crossing safety protection method according to claim 15, wherein in step S30, the artificial intelligent recognition part fuses detection results of the millimeter wave radar and the camera part and generates recognition result information to transmit to the control part, and the control part judges whether or not there is an obstacle to closing the crossing based on the recognition result information of the artificial intelligent recognition part.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311733807.1A CN117622275A (en) | 2023-12-15 | 2023-12-15 | Railway crossing safety protection device and method based on intelligent perception |
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| CN202311733807.1A CN117622275A (en) | 2023-12-15 | 2023-12-15 | Railway crossing safety protection device and method based on intelligent perception |
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