CN218141496U - Non-contact rail transit clearance detection system - Google Patents
Non-contact rail transit clearance detection system Download PDFInfo
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- CN218141496U CN218141496U CN202222037339.1U CN202222037339U CN218141496U CN 218141496 U CN218141496 U CN 218141496U CN 202222037339 U CN202222037339 U CN 202222037339U CN 218141496 U CN218141496 U CN 218141496U
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Abstract
The utility model discloses a non-contact rail transit clearance detection system, which comprises a main control module, wherein the main control module is in communication connection with a detection module, a remote monitoring server, a platform alarm module and a cab alarm module, and the cab alarm module is in communication connection with an execution mechanism control module; the detection module is used for detecting the target gap and sending the obtained detection data to the main control module after receiving the working signal of the main control module; the main control module is used for processing the detection data and then sending the detection result to the platform alarm module and the cab alarm module; the main control module is also used for sending a working instruction to the detection module by combining the state information of the vehicle and the actuating mechanism and the detection control information sent by the platform alarm module and the cab alarm module; the gap detection system detects objects in the gap and transmits detection information in multiple ways, so that timeliness and accuracy of gap foreign matter disposal are improved.
Description
Technical Field
The invention belongs to the technical field of rail transit safety equipment, and particularly relates to a non-contact rail transit gap detection system.
Background
In order to ensure the driving safety, the rail transit needs to be provided with a platform screen door, and a certain distance requirement must be met between the screen door and a train. After the shielding door and the train door are closed, a certain gap exists between the two doors. If passengers or foreign objects are left in the gap area, serious casualty accidents can be caused after the train starts to run. The existing gap detection methods can be divided into physical detection and automatic detection. The physical detection mainly comprises installation of lookout lamp belts, installation of mechanical baffles and the like, and the method is low in installation complexity and cost, but human interference and illumination interference exist, and misjudgment is easily caused. The automatic detection mainly comprises an infrared light curtain, laser correlation, video detection and the like, wherein the infrared light curtain is complex to install and greatly interfered by illumination, the laser correlation is complex to install and greatly influenced by disturbance, the video detection cost is high, and the video detection is greatly interfered by illumination and an algorithm.
Disclosure of Invention
Utility model purpose: an object of the utility model is to provide a non-contact track traffic clearance detection system based on laser radar.
The technical scheme is as follows: the non-contact rail transit gap detection system comprises a main control module, wherein the main control module is in communication connection with a detection module, a platform alarm module and a cab alarm module;
the detection module is used for detecting the target gap and sending the obtained detection data to the main control module after receiving the working signal of the main control module;
the main control module is used for processing the detection data and then sending the gap detection result to the platform alarm module and the cab alarm module; the main control module is also used for sending a working instruction to the detection module by combining the state information of the vehicle and the execution mechanism and the detection control information sent by the platform alarm module and the cab alarm module;
the actuating mechanism control module is used for sending actuating mechanism state information to the cab alarm module and controlling the actuating mechanism to act according to the received actuating mechanism control instruction;
the cab alarm module is used for sending vehicle, actuating mechanism state information and detection control information to the main control module, and acquiring and displaying a clearance detection result;
and the platform alarm module is used for sending detection control information to the main control module and acquiring and displaying a gap detection result.
Preferably, the actuator control module comprises a screen door controller for controlling and acquiring the working state of the screen door and/or a train door controller for controlling and acquiring the working state of the train door.
Preferably, the detection module comprises a laser radar for acquiring laser point cloud detection data between the shield door and the train door, and the laser radar is arranged in a gap between the shield door and the train door.
Preferably, the station alarm module comprises a station duty room terminal and a station alarm device arranged at a station.
Preferably, the station duty terminal includes an intercom and a control display terminal for displaying the gap detection result, the vehicle state information, the vehicle door and platform door state information, the degree of congestion information of the carriage, and the like. The interphone can be carried by a person on duty at a station, and the control display terminal can be arranged in a station duty room.
Preferably, the platform alarm device comprises an audible and visual alarm device for alarming when foreign matters exist in the gap and a data display terminal for displaying the gap detection result and the passenger flow guide information.
Preferably, the cab alarm module comprises a human-computer interaction system for displaying the working states of the vehicle and the actuating mechanism and the gap detection result.
Preferably, the main control module is in communication connection with a remote monitoring server for receiving, storing and analyzing the detection data and the gap detection result.
Preferably, the master control module is arranged on the platform and is in wireless communication connection with the cab alarm module, the cab alarm module is in communication connection with the execution mechanism control module through a special train network, and the master control module is in wired communication connection or wireless communication connection with the platform alarm module.
Furthermore, the detection data obtained by the detection module is processed by the main control module to obtain a gap detection result, and according to the built-in algorithm of the main control module, the detection result can be output by: the method comprises the following steps of clearance foreign matter alarm, door pedestrian flow statistics, calculation of crowdedness in the vehicle and the like.
Furthermore, the detection control information sent by the platform alarm module and the cab alarm module comprises detection system bypass information, when the main control module receives the detection module bypass information sent by the platform alarm module or the cab alarm module, the detection module is controlled to stop working, and when the main control module does not receive the detection module bypass information sent by the platform alarm module or the cab alarm module, the working state of the detection module is controlled by combining the working states of the vehicle and the actuating mechanism, and the method comprises the following specific steps:
(1) When the train door and the shielding door are not opened when the train is stopped stably, the main control module controls the detection module to work and sends scanning data to the main control module;
(2) The main control module sends the detection result to the platform alarm module and the cab alarm module, if no foreign matter exists in the gap, the cab alarm module controls the opening of the vehicle door, when the vehicle door is opened, the main control module controls the detection module to periodically scan and send scanning data to the main control module, and the main control module processes the scanning data to obtain information such as the running direction, the volume, the quantity and the like of the object passing through the gap;
(3) When a train door and a shielding door are closed and a vehicle does not start yet, the main control module controls the detection module to work and sends scanning data to the main control module, and if foreign matters exist in gaps, the main control module sends detection results and alarm information to the platform alarm module and the cab alarm module.
Furthermore, the main control module is connected with the detection module through a wired data communication line, and because the main control module and the platform alarm device are both arranged on the platform, the main control module is connected with the platform alarm device through wired communication, and the main control module is connected with the station duty terminal through wireless communication. The remote monitoring server and the main control module complete data interaction in a wired communication or wireless communication mode.
Has the advantages that: the non-contact type rail transit gap detection system based on the laser radar can detect objects in gaps between vehicle doors and platform doors before the train enters a station and opens the door, after the train opens the door and before the train closes the door and leaves the station, sends detection results to a train cab alarm module, a station duty room terminal and a platform alarm device, carries out multi-party transmission on foreign matter alarm information, outputs the detection results in multiple modes, and improves timeliness and accuracy of gap foreign matter disposal.
Drawings
Fig. 1 is a schematic system structure diagram of a non-contact rail transit gap detection system according to the present invention;
Detailed Description
The technical solution of the present invention is further described in detail with reference to the accompanying drawings and examples.
The non-contact rail transit gap detection system comprises a main control module, wherein the main control module is in communication connection with a detection module, a remote monitoring service, a platform alarm module and a cab alarm module, and the cab alarm module is in communication connection with an execution mechanism control module;
in this embodiment, the detection module is configured to detect a target gap and send the obtained detection data to the main control module after receiving a working signal of the main control module; the detection module is including being used for gathering the laser radar of the laser point cloud detection data between shield door and the train door, and laser radar sets up the clearance between shield door and train door, and laser radar can use one of radars such as multi-line scanning laser radar, single line stereo scanning laser radar, solid-state laser radar.
In this embodiment, the main control module is configured to send a detection result to the platform alarm module and the cab alarm module after processing the detection data; the main control module is also used for sending a working instruction to the detection module by combining the state information of the vehicle and the actuating mechanism and the detection control information sent by the platform alarm module and the cab alarm module; the main control module is realized based on a Dragon Board control Board, a raspberry group control Board or other embedded control boards.
In the embodiment, the execution mechanism control module is used for sending the state information of the execution mechanism to the cab alarm module and controlling the action of the execution mechanism according to the received control instruction of the execution mechanism; the actuating mechanism control module comprises a shielding door controller for controlling and acquiring the working state of the shielding door and a train door controller for controlling and acquiring the working state of the train door.
In this embodiment, the cab alarm module is configured to send vehicle, actuator state information, and detection control information to the main control module, and acquire and display a gap detection result; the cab alarm module comprises a human-computer interaction system used for displaying the working states of the vehicle and the actuating mechanism and a gap detection result.
In this embodiment, the platform alarm module is configured to send the detection control information to the main control module, and obtain and display the gap detection result. The station alarm module comprises a station duty room terminal and a station alarm device. The station on-duty terminal comprises an interphone and a control display terminal, the control display terminal can display foreign matter alarm information, vehicle state information, vehicle door and platform door state information, carriage crowding degree information and the like, the alarm information is directly pushed to the terminal, and an operator on duty can quickly respond; the control display terminal can also send the system bypass information to the main control module according to the requirement. The platform alarm device comprises an acousto-optic alarm device and a data display terminal, wherein the data display terminal can realize functions of foreign matter alarm, passenger flow guide information broadcast and the like, and the acousto-optic alarm device can realize alarm by using acousto-optic means when foreign matters exist in the gap.
In this embodiment, the remote monitoring server is used for receiving, storing and analyzing the detection data and the gap detection result, and the remote monitoring server is further connected with the remote monitoring system, and the detection analysis result in the remote monitoring server is displayed through the remote monitoring system.
In this embodiment, the detection module completes data communication with the main control module through a data communication line, and the data communication line may adopt one or more of communication modes such as a USB communication line, an ethernet communication line, an MIPI CSI communication line, a wireless network, bluetooth communication, and CAN communication.
The master control module CAN be communicated with the platform alarm device in a wired communication mode such as a serial port and a CAN (controller area network), the master control module CAN be communicated with a station duty terminal in a wireless communication mode such as a Lora and a Zigbee, the master control module is in wireless communication connection with the cab alarm module, the cab alarm module is in communication connection with the execution mechanism control module in a train private network, a communication interface with a remote monitoring server is reserved on the master control module, and data interaction is completed between the remote monitoring server and the master control module in a wired communication or wireless communication mode when needed.
In this embodiment, when the detection control information sent by the cab alarm module or the platform alarm module to the main control module is detection system bypass information, the main control module sends the working state that the detection module is in the bypass to the cab alarm module and the platform alarm module, and meanwhile, the main control module does not send the parking stability and door opening information to the laser radar, and the detection module system does not perform detection work.
When the cab alarm module or the platform alarm module does not send the bypass information of the detection system to the main control module, the working process of the non-contact type rail transit gap detection system is as follows:
step S1, the main control module receives the information that the vehicle is stopped stably and is not opened, and the information that the vehicle is stopped stably and is not opened is sent to the detection module if the main control module does not receive the bypass information of the system.
And S2, the detection module receives the information of stable parking and no door opening sent by the main control module, scans the gap between the shield door and the train door, acquires the original point cloud data of the gap, and transmits the point cloud data to the main control module.
And S3, the main control module receives the door opening information and does not receive the system bypass information, and then the door opening information is sent to the detection module.
And S4, the detection module receives the door opening information sent by the main control module, periodically scans the gap between the shield door and the train door, acquires object statistical point cloud data passing through the gap, and transmits the point cloud data to the main control module in real time.
And S5, the detection module receives the information of vehicle stability and door closing in place sent by the main control module, scans the gap between the shield door and the train door, acquires gap detection point cloud data and transmits the point cloud data to the main control module.
And S6, the main control module processes the received point cloud data, calculates the running direction and the volume of the object, and analyzes and counts the number and the volume of people and objects entering and exiting the carriage.
And S7, the master control module sends the information of the number of people in the carriage, the information of the volume of the object, the calculated congestion degree statistical information, passenger flow guide information, system working information and the like which are counted in real time to a platform alarm module, a cab alarm module and the like.
S8, the main control module carries out registration, background filtering, object identification and the like on the preprocessed detection point cloud data and the original point cloud data, if no new object is found in the detection point cloud data, no foreign object alarm information is generated, and at the moment, the platform alarm module displays the received system working information through a local acousto-optic alarm device; passenger flow guiding information broadcasting is achieved through sound, and the driver cab alarm module displays the received people counting information, crowding degree counting information, system work information and the like.
And S9, if newly added objects are found in the detection point cloud data, generating foreign object alarm information, and sending the foreign object alarm information to the platform alarm module and the cab alarm module. At the moment, the platform alarm module alarms the received foreign body alarm information and system working information through a local sound-light alarm device; the foreign matter alarm is pushed to the interphone on duty through wireless communication; the passenger flow guiding information broadcasting is realized through sound, and the cab alarm module displays the received foreign matter alarm information, the number statistical information, the congestion degree statistical information, the system working information and the like; and (4) sending the foreign matter alarm information to an execution mechanism through communication, carrying out next safety processing by the execution mechanism, receiving an action instruction caused by foreign matter alarm by the execution mechanism, carrying out next safety processing, and repeating S3 until the action instruction caused by foreign matter alarm is generated.
In the working steps, foreign matter alarm information, people number statistical information, crowding degree statistical information, system working state information and the like can be transmitted to a remote monitoring server if necessary, and the remote monitoring system can display the information of foreign matter alarm, people number statistical, crowding degree statistical, system working state and the like through data display in the remote monitoring server, integrate and analyze the data, and realize the functions of foreign matter alarm early warning, vehicle dispatching early warning and the like.
In summary, because the laser radar belongs to an automatic detection method, the laser radar is little affected by illumination, safe to human bodies, capable of three-dimensionally detecting and simple in algorithm and is ideal non-contact type foreign matter detection equipment, the non-contact type rail transit gap detection system based on the laser radar can detect objects in gaps before trains enter a station and open doors, after trains open doors and before trains close the station, and sends detection information to a train cab alarm module, a station duty room terminal and a platform alarm device in multiple directions, and utilizes multiple modes to output detection results at different terminals, so that the detection of the foreign matters in the gaps is realized, and meanwhile, a data base can be provided for counting the number of people in a carriage, judging the congestion degree of the carriage and guiding passenger flow.
Claims (9)
1. Non-contact track traffic clearance detecting system, its characterized in that: the system comprises a main control module, wherein the main control module is in communication connection with a detection module, a platform alarm module and a cab alarm module;
the detection module is used for detecting the target gap and sending the obtained detection data to the main control module after receiving the working signal of the main control module;
the main control module is used for processing the detection data and then sending the gap detection result to the platform alarm module and the cab alarm module; the main control module is also used for sending a working instruction to the detection module by combining the state information of the vehicle and the execution mechanism and the detection control information sent by the platform alarm module and the cab alarm module;
the actuating mechanism control module is used for sending actuating mechanism state information to the cab alarm module and controlling the actuating mechanism to act according to the received actuating mechanism control instruction;
the cab alarm module is used for sending vehicle, actuating mechanism state information and detection control information to the main control module, and acquiring and displaying a clearance detection result;
the platform alarm module is used for sending detection control information to the main control module and acquiring and displaying a gap detection result.
2. The non-contact rail transit gap detection system of claim 1, wherein: the actuating mechanism control module comprises a shielding door controller for controlling and acquiring the working state of the shielding door and/or a train door controller for controlling and acquiring the working state of the train door.
3. The non-contact rail traffic gap detection system of claim 1, wherein: the detection module comprises a laser radar for collecting laser point cloud detection data between the shielding door and the train door, and the laser radar is arranged in a gap between the shielding door and the train door.
4. The non-contact rail traffic gap detection system of claim 1, wherein: the station alarm module comprises a station on-duty terminal and a station alarm device arranged on a station.
5. The non-contact rail traffic gap detection system of claim 4, wherein: the station on-duty terminal comprises an interphone and a control display terminal used for displaying a gap detection result, vehicle state information, vehicle door and platform door state information and carriage crowding degree information.
6. The non-contact rail traffic gap detection system of claim 4, wherein: the platform alarm device comprises an audible and visual alarm device for alarming when foreign matters exist in the gap and a data display terminal for displaying a gap detection result and passenger flow guide information.
7. The non-contact rail traffic gap detection system of claim 1, wherein: the cab alarm module comprises a human-computer interaction system for displaying the working states of vehicles and actuating mechanisms, a gap detection result and the information of the degree of congestion of a carriage.
8. The non-contact rail traffic gap detection system of claim 1, wherein: the main control module is in communication connection with a remote monitoring server for receiving, storing and analyzing the detection data and the gap detection result.
9. The non-contact rail traffic gap detection system of claim 1, wherein: the main control module is arranged on the platform and is in wireless communication connection with the cab alarm module, the cab alarm module is in communication connection with the execution mechanism control module through a special train network, and the main control module is in wired communication connection or wireless communication connection with the platform alarm module.
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| CN202222037339.1U CN218141496U (en) | 2022-08-03 | 2022-08-03 | Non-contact rail transit clearance detection system |
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| CN202222037339.1U CN218141496U (en) | 2022-08-03 | 2022-08-03 | Non-contact rail transit clearance detection system |
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