CN116086522A - Straddle type single-track shoe rail monitoring system and control method thereof - Google Patents
Straddle type single-track shoe rail monitoring system and control method thereof Download PDFInfo
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- CN116086522A CN116086522A CN202211492710.1A CN202211492710A CN116086522A CN 116086522 A CN116086522 A CN 116086522A CN 202211492710 A CN202211492710 A CN 202211492710A CN 116086522 A CN116086522 A CN 116086522A
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Abstract
The invention discloses a seat type monorail boot track monitoring system which comprises vehicle bottom equipment, vehicle interior equipment and a ground monitoring terminal, wherein the vehicle bottom equipment is provided with a monitoring mechanism which is arranged at the vehicle bottom and used for monitoring a monorail boot track, the monitoring mechanism is connected with and outputs a monitoring signal to the vehicle interior equipment, and the vehicle interior equipment transmits the acquired monitoring signal to the ground monitoring terminal through a wireless network. According to the shoe rail on-line monitoring device of the straddle type monorail system, through daily on-line real-time monitoring, fault information is mastered at the first time, fault reasons are analyzed, fault points are located timely, necessary measures are taken, the current-collecting quality of the shoe rail is improved, the operation cost is saved, and the operation safety of a vehicle is guaranteed.
Description
Technical Field
The invention relates to a shoe rail current-carrying on-line monitoring system, in particular to a monitoring technology applied to a straddle type single-rail shoe rail state.
Background
The boot rail current-collecting system comprises a contact rail, a current collector, a power supply system and the like. The contact rail is also called a third rail, and the installation modes mainly comprise an upper contact mode, a lower contact mode and a side contact mode. The current collector is arranged on a bogie of the vehicle, and the side surface of the current collector slide plate is contacted with the contact rail through elastic elements such as springs, air cylinders and the like, so that current collection is realized.
The straddle type monorail is a novel urban rail transit system, and is adopted by more and more cities due to the advantages of strong climbing capacity, small turning radius, low noise, short construction period, low construction cost and the like. The current receiving mode adopts a shoe rail current receiving system side contact current receiving mode. In the daily operation process, the current collector can face the faults of collision of boots, slide plate defects, abnormal abrasion of the slide plate, off-line arcing, temperature rise, unstable contact pressure, abnormal power supply rail and the like caused by poor matching of the boot rails, so that the replacement period of the current collector is short, and the operation cost is high. If no on-line monitoring means is provided after the contact rail and the current collector are in fault, the fault cause can not be located, analyzed and found, the workload of daily maintenance is increased, and the operation and maintenance cost is increased.
At present, the boot rail current collector is mainly applied to the urban rail traffic fields such as subways, light rails and the like, the application range is relatively narrow, the boot rail current collector starts later, and the boot rail overhauling mainly adopts the traditional manual inspection and detection vehicle-mounted inspection modes. The manual inspection requires a great deal of manpower and time, and has low operation efficiency; the inspection efficiency of the inspection vehicle is obviously improved, but the inspection vehicle can only be tested after the vehicle is stopped, potential safety hazards possibly existing can not be found in time, and meanwhile, the operation vehicle and the operation vehicle have certain differences in design, so that the shoe track relationship in the operation process of the vehicle can not be truly and accurately reflected.
Therefore, a reliable online monitoring mode is needed to monitor the working state and the operation condition of the shoe rail so as to make a pre-judgment on the abnormal matching relation of the shoe rail and take corresponding measures.
Disclosure of Invention
The technical problem to be solved by the invention is to realize an online monitoring device for the boot track of the straddle type monorail system, which can be used for carrying out real-time online monitoring when a vehicle runs.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the system comprises vehicle bottom equipment, vehicle interior equipment and a ground monitoring terminal, wherein the vehicle bottom equipment is provided with a monitoring mechanism which is arranged at the bottom of a vehicle and used for monitoring the single-rail boot rail, the monitoring mechanism is connected with and outputs monitoring signals to the vehicle interior equipment, and the obtained monitoring signals are conveyed to the ground monitoring terminal through a wireless network by the vehicle interior equipment.
The vehicle bottom equipment comprises a contact rail geometric parameter detection module, a vehicle body vibration compensation module, a shoe rail relation video monitoring module, a current detection module, a shoe rail arcing monitoring module, a shoe rail hard point monitoring module and a shoe rail contact pressure monitoring module.
The geometrical parameters of the contact rail are detected to be 2D laser displacement sensors, and contour information of the current-receiving surface of the power supply rail is obtained through a visual imaging model;
the vehicle body vibration compensation module is fixed on the contact rail geometric parameter detection, and transmits the collected vibration signals to the contact rail geometric parameter detection;
the shoe track relation video monitoring is a high-definition camera for shooting the running condition of the shoe track in real time;
the current detection is an opening current sensor for collecting traction current of the vehicle;
the shoe rail arcing monitoring is an ultraviolet photoelectric sensor provided with an ultraviolet lens and an ultraviolet filter
The boot rail hard point monitoring is a module fixed on the current collector supporting rod, and the module is provided with an acceleration sensor for collecting hard point acceleration, a collecting circuit board connected with the acceleration sensor and a power supply unit for supplying power;
the shoe rail contact pressure monitoring is a load cell mounted between the current collector springs, or a metal plate attached strain gauge connected with a carbon slide plate, or a pressure sensor mounted on the current collector shoe.
The 2D laser displacement sensor is arranged on the apron board upright post through a 2D sensor mounting bracket;
the video high-definition camera is arranged on the apron board upright post through a video monitoring mounting bracket;
the ultraviolet photoelectric sensor is arranged on the apron board upright post through an ultraviolet photoelectric sensor mounting bracket to accurately capture arcing;
the current sensor is arranged on a high-voltage bus of the current collector to sample current;
the acceleration sensor is arranged on the current collector connecting arm and used for detecting impact acceleration;
the pressure sensor is arranged between the current collector slide plate and the metal bracket, and collects the pressure between the shoe rails.
The high-definition camera is connected with a storage device of the vehicle and stores shooting information on the storage device, and a downloading interface is preset in the storage device;
the shoe rail arcing monitoring is provided with a sensor for collecting current signals between the contact rail and the power receiving shoe, and the sensor is connected with the shoe rail arcing monitoring and transmits induction signals to the shoe rail arcing monitoring as trigger signals for triggering the camera to work;
the in-vehicle equipment comprises an analysis server and an optical fiber analyzer, wherein the analysis server is connected with the touch rail geometric parameter detection, the shoe rail relation video monitoring, the current detection and the shoe rail arcing monitoring through a network cable, the shoe rail hard point monitoring and the shoe rail contact pressure monitoring are connected with the optical fiber analyzer through the network cable, and the optical fiber analyzer is connected with and outputs analysis signals to the analysis server.
The ground monitoring terminal comprises a server, a display and a cabinet.
When the system works, the 2D laser displacement sensor obtains contour information of the current-receiving surface of the contact rail through a visual imaging model;
and the high-definition camera shoots the running condition of the boot rail in real time, analyzes the shot picture when detecting that the contact rail is abnormal, and alarms the abnormality of the contact rail by combining the laser scanning image.
The 2D laser displacement sensor obtains a vibration signal of the vehicle body vibration compensation module, and the vibration signal is used as a compensation value for correcting the running posture error of the vehicle.
The shoe rail on-line monitoring device of the straddle type monorail system, disclosed by the invention, has the advantages that through daily on-line real-time monitoring, fault information is mastered at the first time, the fault cause is analyzed, the fault point is timely positioned, necessary measures are taken, the current-collecting quality of the shoe rail is improved, the operation cost is saved, and the operation safety of a vehicle is ensured.
Drawings
The contents of each drawing in the specification of the present invention are briefly described as follows:
FIGS. 1-3 are schematic diagrams of a straddle type monorail shoe track monitoring system;
FIG. 4 is a schematic block diagram of a straddle type monorail shoe track monitoring system;
the labels in the above figures are: 1. 2D laser displacement sensor, 2, high definition camera, 3, current sensor, 4, ultraviolet photoelectric sensor, 5, acceleration sensor, 6, pressure sensor, 7, 2D sensor installing support, 8, ultraviolet light sensor installing support, 9, video monitoring installing support, 10, current collector, 11, power supply rail, 12, apron board stand.
Detailed Description
The following detailed description of the embodiments of the invention, such as the shape and construction of the components, the mutual positions and connection relationships between the components, the roles and working principles of the components, the manufacturing process and the operating and using method, etc., is provided to assist those skilled in the art in a more complete, accurate and thorough understanding of the inventive concept and technical solution of the present invention.
As shown in FIG. 1, the shoe track on-line monitoring device of the straddle type monorail system comprises three parts, namely a vehicle bottom device, an in-vehicle device and a ground monitoring terminal.
The vehicle bottom equipment mainly comprises contact rail geometric parameter detection, a vehicle body vibration compensation module, shoe rail relation video monitoring, current detection, shoe rail arcing monitoring, shoe rail hard point monitoring and shoe rail contact pressure monitoring.
The in-vehicle equipment mainly comprises an in-vehicle analysis server and an optical fiber analyzer.
The ground monitoring terminal mainly comprises a server, a display and a cabinet.
And detecting geometrical parameters of the contact rail, and obtaining contour information of a flow receiving surface of the contact rail by using a 2D laser displacement sensor 1 through a visual imaging model. The principle is that the sensor emits laser beam to irradiate on another observation object, the laser beam is reflected to the sensor receiving port, and the distance between two objects can be calculated through the optical path angle and the laser propagation time length. In order to improve the geometric parameter detection precision of the contact rail, the vehicle body vibration compensation module is matched to correct errors generated by the running posture of the vehicle, so that the errors are more approximate to static true values, and the detection precision is improved.
The boot track relation video monitoring adopts the high-definition camera 2 to shoot the boot track running condition in real time, and stores the video on the storage equipment of the vehicle, and the system reserves a video downloading interface, thereby being convenient for downloading the image video. And transmitting the contact rail video of the section to a system interface when the contact rail is detected to be abnormal. The system automatically analyzes the shot pictures and gives an alarm on the abnormality of the contact rail by combining the images scanned by the laser.
The current monitoring module is used for collecting traction current of the vehicle, the traction current adopts an opening current sensor 3, and the traction current value is detected and recorded in real time by utilizing the Hall effect principle.
The rail shoe arcing monitoring adopts a 200HZ high-speed ultraviolet camera to realize high-precision detection of rail shoe arcing, so that the detection of arc light can be completed, and the interference of sunlight can be avoided. Meanwhile, a signal of the sensor is adopted to trigger the monitoring camera to accurately capture the arcing. The arcing wavelength range occurring between the contact rail and the current-receiving shoe is 323-329 nm or 220-225nm, and only arcing with a duration exceeding 5ms is considered for detection according to the European standard EN50317 requirement. In addition, the current monitoring module installed on the main line of the power receiving boot is matched, the current of the power receiving boot when arc discharge occurs can be obtained, the time when the current value of the train exceeds the nominal value by 30% is counted, and the arc rate and the duration time of single arc burning can be calculated.
The hard points of the shoe rail are monitored, the hard points of the shoe rail can cause the current collector 10 to collide, so that arcing is generated, the local mechanical abrasion of the shoe rail is increased, the electrochemical corrosion of the current collecting surface of the contact rail is accelerated, and the current collecting quality is affected. The boot rail hard point monitoring module consists of a hard point acquisition acceleration sensor 5, a pressure hard point acquisition circuit board, a power supply unit and a connecting cable, and is arranged on a supporting rod of the current collector 10 and used for measuring impact acceleration. Meanwhile, a photoelectric conversion module is added, electric signals collected by the accelerometer are converted into optical signals, and the signals are transmitted to a data processing end through an optical fiber.
The shoe rail contact pressure is monitored, the shoe rail contact force is a key factor influencing the shoe rail matching, and the invention provides the following three measurement schemes:
1. by adding a load cell between springs of the current collector 10, measuring the tension of the springs, establishing a database corresponding to the tension of the springs and the pressure of the shoe rail, and reflecting the pressure of the shoe rail in real time;
2. attaching a strain gauge to a metal plate connected with a carbon sliding plate, and reflecting the boot rail pressure by collecting strain data;
3. the contact force is monitored through the pressure sensor 6 arranged on the collector shoe, the sliding plate support is required to be modified, and the same force sensors are respectively arranged on two sides of the sliding plate through the additionally arranged tool.
Through photoelectric conversion module, high-pressure side collection end and low-pressure side receiving end adopt optic fibre to carry out the isolation transmission, convert the signal of telecommunication that the sensor accepted into optical signal, pass through optic fibre with signal transmission to data processing end.
The in-car analysis server is used for storing, comparing, analyzing and judging the collected shoe rail information, and automatically analyzing the fault degree and the fault level when abnormal data appear, and realizing the system management functions such as contact rail geometric parameter monitoring, high-definition video monitoring, current monitoring, shoe rail arcing detection, shoe rail pressure monitoring, system positioning function, car-ground wireless transmission, off-line detection function, fault alarm function, fault uploading function, fault analysis, data statistics analysis and the like. And the system integrates the power supply to the equipment in the system and has the docking function with the PI S and TCMS systems.
The ground monitoring terminal is composed of a high-performance server and a display, is used for storing, analyzing and calculating historical data of the in-vehicle analysis server, and has a self-learning function. The system mainly outputs the monitoring result of the in-vehicle analysis server to the ground server through the PI S system, the ground expert system performs statistical analysis of the multiple driving measurement data and forms an analysis report, and the analysis report comprises waveform and data comparison, so that safe storage, analysis and calculation of the historical monitoring data are realized, and early prevention and protection are performed.
1-3, wherein a 2D laser displacement sensor 1 is arranged on an apron column 12 through a 2D sensor mounting bracket 7, and flow surface profile information of a power supply rail 11 is obtained through a visual imaging model; the ultraviolet photoelectric sensor 4 is arranged on the skirt board upright post 12 through an ultraviolet photoelectric sensor 4 mounting bracket to accurately capture arcing; the video monitoring module is arranged on the skirt board upright post 12 through a video monitoring mounting bracket 9; the current sensor 3 is arranged on a high-voltage bus of the current collector 10 for current sampling; an accelerometer is mounted on the current collector 10 connecting arm to detect jerk; the pressure sensor 6 is installed between the current collector 10 slide plate and the metal bracket to collect the pressure between the shoe rails.
The shoe rail on-line monitoring is adopted to realize real-time monitoring of the geometrical parameters of the contact rail, the shoe rail relation video, the current, the shoe rail arcing, the shoe rail hard point and the shoe rail contact pressure, and the fault alarm is carried out, so that the positioning fault can be found without checking the shoe rail in a warehouse, and the timeliness is good. The periodic problem of manual inspection is solved, time and labor are saved, and accuracy is high. And the system has the advantages of targeted overhaul and low maintenance cost by utilizing the data statistics and analysis function of the system. And various problems monitored during operation are timely processed, so that larger faults are avoided. After the operation is stopped, the checking boot rail cannot completely show the real state of the operation, and the on-line monitoring can grasp the real boot rail state of the operation. Long-term faults can be predicted by accumulated sample data.
While the invention has been described above with reference to the accompanying drawings, it will be apparent that the invention is not limited to the above embodiments, but is capable of being modified or applied directly to other applications without modification, as long as various insubstantial modifications of the method concept and technical solution of the invention are adopted, all within the scope of the invention.
Claims (10)
1. A straddle type monorail shoe track monitoring system, characterized in that: the system comprises vehicle bottom equipment, vehicle interior equipment and a ground monitoring terminal, wherein the vehicle bottom equipment is provided with a monitoring mechanism which is arranged at the bottom of a vehicle and used for monitoring a single track boot rail, the monitoring mechanism is connected with and outputs monitoring signals to the vehicle interior equipment, and the vehicle interior equipment conveys the acquired monitoring signals to the ground monitoring terminal through a wireless network.
2. A straddle type monorail shoe track monitoring system according to claim 1, wherein: the vehicle bottom equipment comprises a contact rail geometric parameter detection module, a vehicle body vibration compensation module, a shoe rail relation video monitoring module, a current detection module, a shoe rail arcing monitoring module, a shoe rail hard point monitoring module and a shoe rail contact pressure monitoring module.
3. A straddle type monorail shoe track monitoring system according to claim 1, wherein:
the contact rail geometric parameter is detected as a 2D laser displacement sensor;
the vehicle body vibration compensation module is fixed on the contact rail geometric parameter detection, and transmits the collected vibration signals to the contact rail geometric parameter detection;
the shoe track relation video monitoring is a high-definition camera for shooting the running condition of the shoe track in real time;
the current detection is an opening current sensor for collecting traction current of the vehicle;
the shoe rail arcing monitoring is an ultraviolet photoelectric sensor provided with an ultraviolet lens and an ultraviolet filter;
the boot rail hard point monitoring is a module fixed on the current collector supporting rod, and the module is provided with an acceleration sensor for collecting hard point acceleration, a collecting circuit board connected with the acceleration sensor and a power supply unit for supplying power;
the shoe rail contact pressure monitoring is a load cell mounted between the current collector springs, or a metal plate attached strain gauge connected with a carbon slide plate, or a pressure sensor mounted on the current collector shoe.
4. A straddle type monorail shoe track monitoring system according to claim 3, wherein:
the 2D laser displacement sensor is arranged on the apron board upright post through a 2D sensor mounting bracket;
the video high-definition camera is arranged on the apron board upright post through a video monitoring mounting bracket;
the ultraviolet photoelectric sensor is arranged on the apron board upright post through an ultraviolet photoelectric sensor mounting bracket to accurately capture arcing;
the current sensor is arranged on a high-voltage bus of the current collector to sample current;
the acceleration sensor is arranged on the current collector connecting arm and used for detecting impact acceleration;
the pressure sensor is arranged between the current collector slide plate and the metal bracket, and collects the pressure between the shoe rails.
5. A straddle-type monorail shoe track monitoring system according to claim 3 or 4, wherein: the high-definition camera is connected with a storage device of the vehicle and stores shooting information on the storage device, and the storage device is provided with a downloading interface in advance.
6. A straddle-type monorail shoe track monitoring system according to claim 5, wherein: the shoe rail arcing monitoring is provided with a sensor for collecting current signals between the contact rail and the power receiving shoe, and the sensor is connected with the shoe rail arcing monitoring and transmits induction signals to the shoe rail arcing monitoring as trigger signals for triggering the camera to work.
7. A straddle type monorail shoe track monitoring system according to claim 6, wherein: the in-vehicle equipment comprises an analysis server and an optical fiber analyzer, wherein the analysis server is connected with the touch rail geometric parameter detection, the shoe rail relation video monitoring, the current detection and the shoe rail arcing monitoring through a network cable, the shoe rail hard point monitoring and the shoe rail contact pressure monitoring are connected with the optical fiber analyzer through the network cable, and the optical fiber analyzer is connected with and outputs analysis signals to the analysis server.
8. A straddle type monorail shoe track monitoring system according to claim 7, wherein: the ground monitoring terminal comprises a server, a display and a cabinet.
9. A control method based on a straddle-type monorail shoe track monitoring system according to any one of claims 1-8, characterized in that: when the system works, the 2D laser displacement sensor obtains contour information of the current-receiving surface of the contact rail through a visual imaging model;
and the high-definition camera shoots the running condition of the boot rail in real time, analyzes the shot picture when detecting that the contact rail is abnormal, and alarms the abnormality of the contact rail by combining the laser scanning image.
10. The control method according to claim 9, characterized in that: the 2D laser displacement sensor obtains a vibration signal of the vehicle body vibration compensation module, and the vibration signal is used as a compensation value for correcting the running posture error of the vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211492710.1A CN116086522A (en) | 2022-11-25 | 2022-11-25 | Straddle type single-track shoe rail monitoring system and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211492710.1A CN116086522A (en) | 2022-11-25 | 2022-11-25 | Straddle type single-track shoe rail monitoring system and control method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN116086522A true CN116086522A (en) | 2023-05-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211492710.1A Pending CN116086522A (en) | 2022-11-25 | 2022-11-25 | Straddle type single-track shoe rail monitoring system and control method thereof |
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| Country | Link |
|---|---|
| CN (1) | CN116086522A (en) |
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- 2022-11-25 CN CN202211492710.1A patent/CN116086522A/en active Pending
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