CN111746595B - Intelligent monitoring system for running safety of rapid freight train running gear - Google Patents
Intelligent monitoring system for running safety of rapid freight train running gear Download PDFInfo
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- CN111746595B CN111746595B CN202010623697.3A CN202010623697A CN111746595B CN 111746595 B CN111746595 B CN 111746595B CN 202010623697 A CN202010623697 A CN 202010623697A CN 111746595 B CN111746595 B CN 111746595B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L23/00—Control, warning, or like safety means along the route or between vehicles or vehicle trains
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or vehicle train for signalling purposes ; On-board control or communication systems
- B61L15/0018—Communication with or on the vehicle or vehicle train
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or vehicle train for signalling purposes ; On-board control or communication systems
- B61L15/0018—Communication with or on the vehicle or vehicle train
- B61L15/0027—Radio-based, e.g. using GSM-R
Abstract
The invention provides an intelligent monitoring system for the running safety of a running part of a rapid freight train, which is characterized by comprising the following components: the system comprises a rack-mounted state monitoring module, a vehicle data management module and a locomotive main monitoring module. The system comprises a running gear, an overhead state monitoring module, a bus and a power supply module, wherein the overhead state monitoring module is used for collecting component state information of the running gear, integrally processing the component state information to form corresponding component monitoring state information of the running gear and outputting the component monitoring state information in a bus mode; the vehicle data management module analyzes information transmitted by two under-carriage state monitoring modules of the same vehicle body by a running part to obtain comprehensive state information and outputs the comprehensive state information by a wireless network; and the locomotive main monitoring module receives the comprehensive state information transmitted by all the vehicle data modules. The intelligent monitoring system provided by the invention comprises the following advantages: the wiring scheme is optimized, so that the monitoring system is easy to install and maintain; the reasonable communication system solves the problem of uncertainty of marshalling of the freight train; and the real-time fault information feedback improves the fault processing efficiency.
Description
Technical Field
The invention belongs to the technical field of rail vehicle safety monitoring, relates to an intelligent monitoring system for the running safety of a running part of a rapid freight train, and particularly relates to an intelligent monitoring system for the running safety of the running part of the rapid freight train, which has a three-level architecture and a corresponding data transmission and management method.
Background
The railway transportation has the advantages of large transportation volume, high speed, low transportation cost and the like, is a main transportation mode of the land in China at present, and plays an important role in the development of national economy. With the rapid development of goods transportation in China, the running speed and the load are continuously improved, the transportation range is wider and wider, and the requirement on the running safety of freight trains is also improved.
The running part is used as an important component of the rail vehicle, plays important roles of bearing, traction, running, braking and the like, and is the most critical component for determining the running safety and the dynamic performance of the train. Axle box bearing failure, tread scuffing and stripping failure, hunting stability are a number of important factors that affect train operational safety.
At present, the railway freight train safety monitoring mainly adopts a ground-to-vehicle monitoring mode, and comprises an infrared axle temperature intelligent tracking system, a freight train operation fault dynamic image monitoring system, an operation state ground safety monitoring system, a freight train rolling bearing early fault rail side acoustic diagnosis system and the like.
However, the above methods cannot perform full-cycle tracking monitoring on vehicle operation (i.e. cannot complete full-cycle monitoring from delivery to scrapping of a vehicle running part), and both the monitored object and the data processing method are single, and cannot perform comprehensive monitoring and big data analysis on multiple vehicles and multiple key components.
Disclosure of Invention
In order to solve the problems, the intelligent monitoring system for the running safety of the running part of the rapid freight train is provided.
The invention adopts the following technical scheme:
the invention relates to an intelligent monitoring system for the running safety of a running part of a rapid freight train, which comprises: the system comprises a rack-mounted state monitoring module, a vehicle data management module and a locomotive main monitoring module. The system comprises a plurality of sets of vehicle-mounted state monitoring modules, a plurality of vehicle-mounted state monitoring modules and a plurality of control modules, wherein the vehicle-mounted state monitoring modules are respectively arranged on the plurality of vehicles and are arranged on the front bogie and the rear bogie of each vehicle, and are used for acquiring component state information of the running part and performing integrated processing to form and output the component monitoring state information of the corresponding running part; the vehicle data management modules are respectively positioned on the vehicle bodies of the vehicles and are in communication connection with the two overhead state monitoring modules arranged on the front bogie and the rear bogie of the vehicle bodies in a bus form, receive the component monitoring state information output by the two overhead state monitoring modules of the current vehicles, and analyze the state of the running part of the two component monitoring state information to obtain comprehensive state information and output the comprehensive state information; and the locomotive main monitoring module is positioned on the locomotive and is respectively in wireless communication connection with the vehicle data management modules on the plurality of vehicles connected with the locomotive, wherein the locomotive main monitoring module comprises a state information acquisition part, a display part and an audible and visual alarm part, the state information acquisition part acquires the state information of the comprehensive components output by the vehicle data management modules on all the vehicles of the freight train at present, and the display part displays the acquired state information of the comprehensive components output by the vehicle data management modules on all the vehicles of the freight train at present to drivers of the freight train.
The intelligent monitoring system for the running safety of the rapid freight train running gear, provided by the invention, has the technical characteristics that when the freight train regroups the vehicles of the freight train according to the scheduling or maintenance requirements, each on-board state monitoring module is kept on the original bogie of the vehicle, and a new intelligent monitoring system for the running safety of the rapid freight train running gear is formed in the marshalled freight train.
The intelligent monitoring system for the running safety of the running gear of the rapid freight train also has the technical characteristics that the on-board state monitoring module can perform real-time tracking sampling and state monitoring on the state of multiple components of the running gear based on different types of sensors.
The intelligent monitoring system for the running safety of the rapid freight train running gear is also characterized in that the component monitoring state information is obtained by integrating the component state information acquired by the various sensors, and the component monitoring state information is output to the vehicle data management module in a bus data communication mode.
The intelligent monitoring system for the running safety of the rapid freight train running gear is also characterized in that a bus communication interface is reserved between the vehicle data management module and the locomotive main monitoring module and can carry out wired communication.
The invention provides an intelligent monitoring system for the running safety of a rapid freight train running part, which is also characterized in that a locomotive main monitoring module is arranged in a locomotive cab, the locomotive main monitoring module also comprises a picture storage part, a display part and a communication part, the picture storage part stores a state information display picture, the comprehensive part state information comprises part normal information and part fault information, once the comprehensive part state information received by the locomotive main monitoring module comprises the part fault information, the display part displays a picture corresponding to the part comprehensive information containing the part fault information and displays the received part comprehensive state information for the confirmation of a driver, the acousto-optic alarm part generates acousto-optic alarm, and once the vehicle data management module outputs the comprehensive part state information containing the part fault information to the locomotive main monitoring module, the communication part sends the state information of the comprehensive parts of the freight train to the cloud server and the ground command center through wireless communication, and meanwhile, the communication part reserves a data bus port to carry out wired communication with a locomotive-mounted safety protection system.
The intelligent monitoring system for the running safety of the running gear of the rapid freight train, provided by the invention, has the technical characteristics that: the cloud server receives and stores the running part comprehensive component state information of the freight train and freight train identification information corresponding to the freight train, wherein the on-board state monitoring module, the vehicle data management module and the locomotive main monitoring module upload corresponding information locally stored in each module to the cloud server through a wireless network according to a certain time transmission period or through wired downloading when the locomotive is stopped, and the cloud server correspondingly stores the received corresponding information and the identification information of the tested component of the running part of the freight train
The intelligent monitoring system for the running safety of the rapid freight train running gear is also characterized in that the overhead state monitoring module, the vehicle data management module and the locomotive main monitoring module delete corresponding information stored in the overhead state monitoring module, the vehicle data management module and the locomotive main monitoring module according to a certain time clearing period, wherein the time clearing period is greater than the time transmission period.
Action and Effect of the invention
According to the intelligent monitoring system for the running safety of the rapid freight train running gear, the system is provided with the three-level framework of the on-board state monitoring module, the vehicle data management module and the locomotive main monitoring module and the corresponding data transmission and management method, so that the state information of the multiple acquisition parts is processed and analyzed respectively, and the finally obtained comprehensive state information is more reasonable and accurate than the traditional single measurement information. Meanwhile, the frame loading state monitoring module and the vehicle data management module are connected through a bus, so that a wiring structure between the vehicle body and the bogie is optimized, and the monitoring system is easier to implement, install and maintain. Meanwhile, when the freight train regroups the train according to the scheduling or maintenance requirement, the on-board state monitoring module is kept on the original running part, a new monitoring system is formed in the marshalled train, and the locomotive main monitoring module of the newly marshalled freight train can obtain all historical data of the tested part of the running part of the subsequent vehicle, so that the whole-period monitoring of the key part of the running part from delivery to scrapping, which cannot be realized by the traditional monitoring, can be realized. In addition, because the vehicle data management module and the locomotive main monitoring module are connected through the wireless network, the problem of uncertainty of the marshalling of the freight train can be solved, and the time and the human resource cost required by the reorganization are greatly saved by replacing bus communication with wireless communication.
Drawings
FIG. 1 is a block diagram of an intelligent monitoring system for the running safety of a rapid freight train running gear according to an embodiment of the invention;
FIG. 2 is a block diagram of an embodiment of an on-board monitoring module;
FIG. 3 is a diagram of the hardware architecture of the main controller of the on-board monitoring module and the vehicle data processing module according to an embodiment of the present invention;
FIG. 4 is a block diagram of a locomotive primary monitoring module in an embodiment of the present invention;
FIG. 5 is a flowchart of an intelligent monitoring system for the operation safety of a rapid freight train running gear according to an embodiment of the present invention.
Detailed Description
In order to make the technical means, creation features, achievement objects and effects of the present invention easy to understand, the following describes the respiration monitoring device based on the sensor array arrangement in detail with reference to the embodiments and the accompanying drawings.
< example >
In this embodiment, the intelligent monitoring system for the running safety of the running part of the rapid freight train is installed on the rapid freight train, and in this embodiment, the rapid freight train for running the system has the following structure: the locomotive comprises a locomotive for providing power and a plurality of vehicles which are connected in sequence, wherein each vehicle comprises a vehicle body and a front bogie and a rear bogie which are positioned at the lower part of the vehicle body.
FIG. 1 is a block diagram of an intelligent monitoring system for the running safety of a rapid freight train running gear according to an embodiment of the invention.
As shown in fig. 1, the intelligent monitoring system 100 for operation safety of a rapid freight train running gear provided in this embodiment includes an on-board state monitoring module 101, a vehicle data management module 102, a locomotive main monitoring module 103, and a communication network 106.
Among them, the communication network 106 includes: zigbee ad hoc network wireless communication 106A, CAN bus wireless communication 106B and 4G wireless communication 106C. The on-board state monitoring module 101 is connected with the vehicle data management module 102 through a CAN bus data communication 106B, and the vehicle data management module 102 is connected with the locomotive owner monitoring module 103 through a Zigbee ad hoc network wireless communication 106A.
A plurality of on-board state monitoring modules 101 are mounted on the front and rear bogies of each vehicle.
Fig. 2 is a block diagram of a structure of an on-board monitoring module according to an embodiment of the present invention.
As shown in fig. 2, the on-board state monitoring module includes a plurality of sensors and data processing algorithms, an integrating and storing module, and is configured to perform signal sensing acquisition, signal integration, signal processing, and local storage of original signals on the key components of the running gear.
The above-mentioned various sensors are: a temperature-acceleration composite sensor, a lateral acceleration sensor, a pressure sensor, an annular temperature sensor and a locomotive speed sensor.
The arrangement of these sensors is:
the composite acceleration sensor is arranged in a bearing area of a wheel set axle box bearing and used for monitoring the temperature of the axle box and vibration impact data at the same time, the temperature data of the axle box is used as a judgment basis for the axle temperature state, and the vibration impact data is used as a judgment basis for the bearing state and the wheel set tread state.
The temperature sensor is arranged outside the main controller of the frame loading state monitoring unit and used for measuring a temperature value as a judgment basis of the environmental temperature.
The transverse acceleration sensors are arranged at symmetrical positions at two ends of an oblique diagonal of the bogie and used for monitoring transverse vibration acceleration data of the framework as a basis for judging the snaking motion stability of the bogie.
The pressure sensor is arranged at the output pipeline position of the empty and heavy vehicle regulating valve of the bogie braking system and used for obtaining the pipeline pressure value as the judgment basis of the load state of the traveling part.
The speed sensor is arranged at one end of the wheel set shaft and used for obtaining a wheel rotating speed signal as a judgment basis for judging the bearing state, the tread state and the wheel set rotating speed state.
The following can be monitored by the sensor: the axle box bearing state of the walking part comprises a bearing temperature state and a bearing vibration state, and the monitoring states are used as monitoring states collected by each overhead state monitoring unit.
The data processing algorithm module and the integration module integrate the monitoring state of each on-board state monitoring module to form component monitoring state information of the corresponding running part, locally store the acquired original information (namely the monitoring state of each on-board state monitoring module) and output the component monitoring state information to the vehicle data management module 102.
The vehicle data management module 102 is arranged on each vehicle body, and the vehicle data management module 102 on each vehicle body corresponds to the two on-board state monitoring modules 101 on the same vehicle body.
In this embodiment, the vehicle data management module 102 receives the component monitoring state information transmitted by the two on-board state monitoring modules 101 of the same vehicle body corresponding to the component monitoring state information through the CAN bus communication, analyzes the state of the running part to obtain the comprehensive state information, and stores and transmits the comprehensive state information to the locomotive main monitoring module 103 in a wireless transmission manner.
The main controllers of the rack-mounted state monitoring module 101 and the vehicle data management module 102 both adopt an FPGA + ARM SoC architecture.
Fig. 3 is a hardware architecture diagram of the main controller of the on-board state monitoring module and the vehicle data processing module according to the embodiment of the invention.
As shown in fig. 3, in the FPGA + ARM SoC architecture adopted by the main controller of the on-board state monitoring module 101 and the vehicle data management module 102: after the FPGA acquires the multichannel signals of the sensor in parallel, digital filtering and FFT operation are carried out on the data to obtain signals after primary processing, and the signals are input into a DDR memory of the ARM through DMA. The ARM core runs the Linux system, CAN perform higher-complexity signal processing on data input by the FPGA, locally stores a processing result, and performs data communication with other equipment in a CAN bus wireless mode.
The locomotive main monitoring module 103 is installed in a locomotive cab, a Linux operating system is adopted, received comprehensive state information is displayed through a liquid crystal screen, real-time state information of key components of each locomotive body can be visually checked through a touch screen, and if the received state comprehensive information contains a fault of a certain component, the locomotive main monitoring module 103 automatically generates an alarm in an acousto-optic mode.
FIG. 4 is a block diagram of a locomotive primary monitoring module in an embodiment of the present invention.
As shown in fig. 4, the locomotive master monitoring module 103 includes an information acquisition unit 31, a screen storage unit 32, a display unit 33, an audible and visual alarm unit 34, an information retrieval unit 35, a communication unit 36, and a control unit 37. The locomotive owner monitoring module 103 completes transmission and feedback of comprehensive state information of the driver, the cloud processor 104 and the ground command center 105 through the departments.
The information acquiring unit 31 receives all the integrated state information transmitted by the vehicle data management module 102 on each vehicle body in the Zigbee ad hoc network.
The screen storage unit 32 stores icon screens to be selected at respective positions and component status screens.
And a plurality of icons representing all the parts of the walking part are displayed on the icon screen to be selected, and the icons are used for allowing a driver to click so as to check the part state screen of all the parts of the walking part.
The part status screen is used for displaying part status icons of corresponding parts according to the icons clicked by the driver.
In this embodiment, the component status icon includes: the axle box bearing state of the running part, the wheel tread state of the running part, the frame snaking motion stability state of the running part, the load state of the running part and the wheel rotating speed state of the running part, wherein the axle box bearing state of the running part comprises a normal state icon and a fault state icon of the above states corresponding to the bearing temperature state and the bearing vibration state respectively. The part state picture feeds back corresponding part state information (namely the normal state of the part or the fault state of the part) to a driver by displaying the icons.
The display unit 33 displays the screens, thereby allowing the driver to perform corresponding human-computer interaction through the screens.
The audible and visual alarm portion 34 includes a buzzer and a flash for alarming after the information acquisition portion 31 receives the integrated state information including the failure information.
The information retrieval unit 35 is used to select a candidate icon of a specific part on the candidate icon screen displayed on the display unit 33 by the driver, and call up the part status screen of the part in the screen storage unit 32 to know the general status information of the part.
The communication unit 36 is configured to transmit the integrated component information to the ground command center 105 and the cloud processor 104 in a 4G wireless communication manner.
The on-board state monitoring module 101, the vehicle data management module 102 and the locomotive master monitoring module 103 in the embodiment may also transmit the received information to the cloud processor 104 in a 4G wireless network form; the locomotive master monitoring module 103 CAN transmit the received comprehensive state information containing fault information to a ground command center, and the locomotive master monitoring module 103 CAN be connected with a self-contained 6A system of the locomotive through a CAN bus.
The control unit 37 stores a computer program for controlling the operations of the components of the locomotive main monitoring module 103.
Under special conditions, when a freight train regroups the train according to scheduling or maintenance requirements, the on-board state monitoring module 101 is kept on an original bogie, and the marshalled locomotive and vehicle complete communication connection through a Zigbee ad hoc network, so as to form a new monitoring system. The new locomotive main monitoring module obtains historical data stored by the overhead state monitoring module 101 through the vehicle data management module 102 on the locomotive body in a CAN bus mode, and the whole life cycle monitoring of the bogie is ensured.
FIG. 5 is a flowchart of an intelligent monitoring system for the operation safety of a rapid freight train running gear according to an embodiment of the present invention.
As shown in fig. 5, the signal processing and transmission flow of the intelligent monitoring system for the operation safety of the rapid freight train running gear provided by the embodiment is as follows:
step S1, synchronously acquiring component state information of the running gear by a plurality of groups of the overhead state monitoring modules 101, acquiring corresponding component state information of key parts of the running gear by each group of the overhead state monitoring modules 101 through a temperature-acceleration composite sensor, a transverse acceleration sensor, a pressure sensor, an annular temperature sensor and a locomotive speed sensor, and entering step S2;
step S2, the on-board state monitoring module 101 analyzes the data collected by the sensor, integrates and extracts the state characteristic value of the key component as the component state monitoring information and stores the information locally, and the step S3 is entered;
step S3, the rack-mounted state monitoring module compares the characteristic value with a threshold value, if the characteristic value is larger than the threshold value, the component is judged to have a fault and fault information is generated, the step S4 is entered, and if the characteristic value is smaller than the threshold value, the component is indicated to be normal, the step S5 is entered;
step S4, the on-board state monitoring module stores the fault information locally, and merges the fault information generated in step S3 and the component state monitoring information obtained in step S2 into new component monitoring state information, and then the process goes to step S5;
step S5, transmitting the monitoring information of the component state to the vehicle data management module 102 in a CAN bus communication mode of the intelligent monitoring system 100 for the running safety of the running gear of the express freight train, transmitting the monitoring information of the component state to a cloud server through a 4G wireless network, and entering step S6;
step S6, the vehicle data management modules 102 respectively receive the component monitoring state information output by the on-board state monitoring modules on the two bogies under the current vehicle body, and perform the running gear analysis on the received component state monitoring information, that is: the vehicle data management module 102 performs comparison analysis based on big data on the component monitoring state information through a preset program, judges whether a fault occurs and obtains corresponding comprehensive state information, and simultaneously locally stores the information, and then the step S7 is performed;
step S7, the vehicle data management module 102 transmits the comprehensive state information obtained in step S6 to the locomotive main monitoring module 103 in a wireless communication mode through a zigbee ad hoc network of the intelligent monitoring system 100 for the running safety of the quick freight train running gear, and simultaneously transmits the comprehensive state information to the cloud server 104 through a 4G wireless network, and the step S8 is carried out;
step S8, the information acquisition part 31 of the locomotive master monitoring module 103 receives the comprehensive state information transmitted by all the vehicle data management modules 102, sends the received comprehensive state information to a cloud server by using a 4G wireless network, and the step S9 is entered;
step S9, determining whether the received integrated status information transmitted by all the vehicle data management modules 102 contains fault information, and generating and storing corresponding image information in the image storage unit 32, if the integrated status information contains fault information, entering step S10, otherwise entering step S11;
step S10, the sound and light alarm part 34 gives sound and light alarm through the buzzer and the flash lamp, and simultaneously transmits the received comprehensive state information containing fault information to the ground command center through 4G wireless network communication, and the step S11 is entered;
in step S11, the image information generated in step S9 is displayed on the display unit 33 to the driver in front of the operation panel of the freight train locomotive, and the driver enters the end state.
The system comprises an overhead state monitoring module, a vehicle data management module and a locomotive main monitoring module, wherein the overhead state monitoring module, the vehicle data management module and the locomotive main monitoring module upload corresponding information locally stored in each module to a cloud service through a 4G wireless network according to a certain time transmission period or through wired downloading during parking, and store the corresponding information corresponding to identification information of a tested part of a corresponding freight train running part, the overhead state monitoring module, the vehicle data management module and the locomotive main monitoring module delete the corresponding information stored in the overhead state monitoring module, the vehicle data management module and the locomotive main monitoring module according to a certain time cleaning period, and the time cleaning period is larger than the time transmission period. In this embodiment, the time transmission period is 3 days, and the time cleaning period is 7 days.
Additionally, in this embodiment, the locomotive main monitoring module 103 may further operate on the display portion 33 through a Linux operating system, and the driver selects an icon picture to be selected of a certain component, and the information retrieving portion 35 invokes a state picture of a corresponding picture in the image storage portion 32 and displays the state picture on the display portion 33, so as to complete the invocation of the state information of the driver for the certain component.
Examples effects and effects
According to the intelligent monitoring system for the running safety of the rapid freight train running gear, which is provided by the embodiment of the invention, as the system is provided with the three-level framework of the on-board state monitoring module, the vehicle data management module and the locomotive main monitoring module and the corresponding data transmission and management method, the state information of the acquisition component is respectively processed and analyzed, and the finally obtained comprehensive state information is more reasonable and more accurate than the traditional single-measurement information. The on-board state monitoring module and the vehicle data management module correspond to the mounted bogie and the vehicle body one to one, so when a freight train regroups the train according to maintenance or scheduling requirements, the on-board state monitoring module is kept on the original bogie and forms a new monitoring system, and the marshalled locomotive main monitoring module can obtain all historical data of the bottom-layer on-board monitoring module through the vehicle data module, so that the whole-period monitoring of key parts of a walking part from leaving a factory to being scrapped, which cannot be realized by the traditional monitoring, can be realized.
In the embodiment, the problem of limited storage space is solved by completing the regular uploading of the signal cloud server and the cleaning of the local memory for each module, so that the full-cycle monitoring on the key components of the running part is further perfected.
In this embodiment, the wiring scheme has been optimized through CAN bus connection to frame year state monitoring module and vehicle data management module for monitoring system's actual installation and maintenance are more reasonable convenient.
In this embodiment, the on-board state monitoring module includes a temperature-acceleration composite sensor, a lateral acceleration sensor, a pressure sensor, an ambient temperature sensor, a locomotive speed sensor, a data processing algorithm module, an integration module, and a storage module structure, and the on-board state monitoring module acquires component state information more reasonably and accurately than information acquired by a traditional single measurement.
In the embodiment, the characteristic that the locomotive and the vehicle are transmitted to the ground command center and the cloud server through 4G wireless network communication is achieved, and the advantage of efficiently processing the fault of the freight train is achieved.
In the embodiment, the condition that the bogie sensing data are transmitted to the upper layer vehicle body equipment in a data bus mode when multiple parts of the walking part are monitored is fully considered, so that the engineering wiring difficulty can be reduced, and the maintenance of a later monitoring system is facilitated.
In the embodiment, the locomotive main monitoring module can call the state information of the corresponding component by selecting the icon picture to be selected by the driver, so that the state information of the specific component can be acquired in real time.
In the embodiment, the locomotive main monitoring module can call the historical state information of the corresponding component by selecting the icon picture to be selected by the driver, so that the state performance degradation trend information of the specific component can be acquired.
In the embodiment, the vehicle data management module is connected with the locomotive main monitoring module through a wireless network, so that the problem that the freight train regroups according to the scheduling requirement can be solved, and meanwhile, the wireless communication replaces bus communication, so that the time and the human resource cost required by the recombination of the freight train are greatly saved.
The above-described embodiments are merely illustrative of specific embodiments of the present invention, and the present invention is not limited to the description of the above-described embodiments.
In the above embodiment, the vehicle data management module is connected with the locomotive main monitoring module in a wireless communication manner through the Zigbee ad hoc network. In other schemes of the invention, the vehicle data management module CAN also be in wired connection with the locomotive main monitoring module through a CAN bus.
In the above embodiment, the vehicle data management module is connected to the on-board monitoring module in a CAN bus connection manner. In other schemes of the invention, the vehicle data management module can be connected with the on-board state monitoring module through a 485 bus in a wired manner.
In the above embodiment, the on-board state monitoring module, the vehicle data management module, and the locomotive master monitoring module all delete the corresponding information stored in the on-board state monitoring module, the vehicle data management module, and the locomotive master monitoring module according to a certain time clearing period, where the time clearing period is greater than the time transmission period. In other aspects of the invention, the module may not delete the locally stored component information file.
Claims (8)
1. The utility model provides a swift freight train running gear operation safety intelligent monitoring system for each running gear real time monitoring of the vehicle of freight train, every freight train includes a locomotive and a plurality of vehicles that connect gradually, the vehicle includes the automobile body and is located two bogies around this automobile body lower part, its characterized in that includes:
the system comprises a plurality of sets of vehicle-mounted state monitoring modules, a plurality of vehicle-mounted state monitoring modules and a plurality of control modules, wherein the vehicle-mounted state monitoring modules are respectively arranged on the plurality of vehicles and are arranged on the front bogie and the rear bogie of each vehicle, and are used for acquiring component state information of the running part and performing integrated processing to form and output the component monitoring state information of the corresponding running part;
the vehicle data management modules are respectively positioned on the vehicle bodies of the vehicles and are in communication connection with the two overhead state monitoring modules arranged on the front bogie and the rear bogie of the vehicle bodies in a bus form, receive the component monitoring state information output by the two overhead state monitoring modules of the current vehicles, and analyze the state of the running part of the two component monitoring state information to obtain comprehensive state information and output the comprehensive state information; and
a locomotive main monitoring module which is positioned on the locomotive and is respectively in wireless communication connection with the vehicle data management modules on a plurality of vehicles connected with the locomotive through a Zigbee ad hoc network,
wherein the locomotive main monitoring module comprises a state information acquisition part, a display part and an acousto-optic alarm part,
the state information acquiring section acquires integrated component state information output from the vehicle data management module on each of the vehicles of all the current freight trains,
the display unit displays the acquired status information of the integrated parts output by the vehicle data management module on each vehicle of the current freight train to a driver of the freight train,
when the freight train regroups the vehicles of the freight train according to the scheduling or maintenance requirement, each on-board state monitoring module is kept on the original bogie of the vehicle, and a new intelligent monitoring system for the running safety of the rapid freight train running gear is formed in the grouped freight train.
2. The intelligent rapid freight train running gear operation safety monitoring system according to claim 1, characterized in that:
wherein the on-board state monitoring module is also provided with a temperature-acceleration composite sensor, a transverse acceleration sensor, a pressure sensor, an annular temperature sensor and a locomotive speed sensor,
the temperature-acceleration composite sensor is arranged in a bearing area of a wheel set axle box and is used for monitoring the temperature of the axle box and vibration impact data at the same time, the temperature data of the axle box is used as a judgment basis for the axle temperature state, the vibration impact data is used as a judgment basis for the bearing state and the wheel set tread state,
the environment temperature sensor is arranged outside the main controller of the on-board state monitoring unit and is used for measuring a temperature value as a judgment basis of the environmental temperature,
the transverse acceleration sensors are arranged at symmetrical positions at two ends of an oblique diagonal of the bogie and are used for monitoring transverse vibration acceleration data of the framework as a basis for judging the snaking motion stability of the bogie,
the pressure sensor is arranged at the output pipeline position of the empty and heavy vehicle regulating valve of the braking system of the bogie and is used for obtaining the pipeline pressure value as the judgment basis of the load state of the traveling part,
the locomotive speed sensor is arranged at one end of the wheel set shaft and is used for obtaining a wheel rotating speed signal as a judgment basis for judging the bearing state, the tread state and the wheel set rotating speed state,
the frame loading state monitoring module integrates and processes the axle temperature state, the bearing state, the wheel set tread state, the snaking motion stability of the bogie, the load state of the walking part and the rotating speed state of the wheel set to form the part monitoring state information of the corresponding walking part,
and the vehicle data management module comprehensively processes and analyzes the state information of the multiple acquisition components according to the monitoring state information of the components to obtain the comprehensive state information.
3. The intelligent rapid freight train running gear operation safety monitoring system according to claim 1, characterized in that:
the on-board state monitoring module can perform real-time tracking sampling and state monitoring on the state of the multiple components of the walking part based on different types of sensors.
4. The intelligent rapid freight train running gear operation safety monitoring system according to claim 3, characterized in that:
wherein the component monitoring state information is obtained by integrating the component state information acquired by the various sensors,
the component monitoring status information is output to the vehicle data management module in the form of the bus data communication.
5. The intelligent rapid freight train running gear operation safety monitoring system according to claim 1, characterized in that:
the vehicle data management module and the locomotive main monitoring module reserve a bus communication interface and can perform wired communication.
6. The intelligent rapid freight train running gear operation safety monitoring system of claim 1, characterized in that:
wherein the locomotive owner monitoring module is installed in the locomotive cab,
the locomotive main monitoring module also comprises a picture storage part, a display part and a communication part,
the screen storage section stores a status information display screen,
the integrated component status information includes component normal information and component failure information,
once the integrated component status information received by the locomotive primary monitoring module contains component fault information,
the display part displays the corresponding picture of the part comprehensive information containing the part fault information and displays the received part comprehensive state information to be confirmed by a driver, the sound and light alarm part generates sound and light alarm,
once the vehicle data management module outputs the comprehensive component state information containing the component fault information to the locomotive main monitoring module, the communication part sends the comprehensive component state information of the freight train to a cloud server and a ground command center through wireless communication, and meanwhile, the communication part reserves a data bus port to carry out wired communication with a locomotive-mounted safety protection system.
7. The intelligent rapid freight train running gear operation safety monitoring system according to claim 1, further comprising:
the cloud server receives and stores the running gear comprehensive part state information of the freight train and freight train identification information corresponding to the freight train,
the system comprises an overhead state monitoring module, a vehicle data management module and a locomotive main monitoring module, wherein the overhead state monitoring module, the vehicle data management module and the locomotive main monitoring module upload corresponding information locally stored in each module to a cloud server through a wireless network according to a certain time transmission period or through wired downloading when the locomotive main monitoring module stops, and the cloud server correspondingly stores the received corresponding information and identification information of a tested part of a freight train running gear.
8. The intelligent rapid freight train running gear operation safety monitoring system according to claim 1, characterized in that:
wherein the on-board state monitoring module, the vehicle data management module and the locomotive master monitoring module all delete the corresponding information stored in the on-board state monitoring module, the vehicle data management module and the locomotive master monitoring module according to a certain time cleaning cycle,
the time clearing period is greater than the time transfer period.
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| CN112580153B (en) * | 2020-12-29 | 2022-10-11 | 成都运达科技股份有限公司 | Health state management system and method for vehicle running gear monitoring component |
| CN117470561A (en) * | 2023-12-28 | 2024-01-30 | 中国铁建高新装备股份有限公司 | Running part state monitoring system and method for large road maintenance machine |
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