CN112215981A - Data recording equipment and rail vehicle - Google Patents
Data recording equipment and rail vehicle Download PDFInfo
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- CN112215981A CN112215981A CN202011006859.5A CN202011006859A CN112215981A CN 112215981 A CN112215981 A CN 112215981A CN 202011006859 A CN202011006859 A CN 202011006859A CN 112215981 A CN112215981 A CN 112215981A
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
- G07C5/0841—Registering performance data
- G07C5/085—Registering performance data using electronic data carriers
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
- G07C5/0841—Registering performance data
- G07C5/085—Registering performance data using electronic data carriers
- G07C5/0866—Registering performance data using electronic data carriers the electronic data carrier being a digital video recorder in combination with video camera
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Abstract
A data recording apparatus and a rail vehicle, comprising: the device comprises a central processing module, a data storage module, an analog quantity acquisition interface, a digital quantity acquisition interface, a frequency interface and a control output interface, wherein the central processing module is respectively connected with the data storage module, the analog quantity acquisition interface, the digital quantity acquisition interface, the frequency acquisition interface and the control output interface, and the interfaces are isolated from each other and are grounded; the analog quantity acquisition interface is used for acquiring train analog quantity data; the digital quantity acquisition interface is used for acquiring train switching value data; the frequency acquisition interface is used for acquiring Hertz data; the central processing module is used for controlling each interface to collect data and store the data to the data storage module, generating a train control instruction according to the collected data and outputting the train control instruction through the control output interface. By adopting the scheme in the application, the running data of the train is recorded in real time, the key data of the train is monitored, and once the key data of the train exceeds a set threshold value, the train protection system can be triggered.
Description
Technical Field
The present application relates to rail vehicle technology, and in particular, to a data recording apparatus and a rail vehicle.
Background
The train data recorder is used as an important part of the current railway vehicle, can record all key operation data parameters and train fault information in the running process of the train in real time, and provides a direct and reliable data basis for analyzing train faults and running states. The data recorder product can realize real-time recording and storage of main running state data and fault data of the train, realize data analysis through special data analysis software and provide data support for train fault analysis. The recorded train operation data is an important basis for safety retrieval, fault analysis, tracking query and vehicle maintenance.
The data recording mode applied at present is mainly a train data recorder and a data recording system with data storage and data sending functions.
Fig. 1 shows a schematic structure of a prior art train data recorder product.
As shown in the figure, the train data recorder comprises a central processing unit (core processing module), communication board cards (a wireless communication module and an MVB communication module) connected with a train bus, a data storage module for storing data, a power supply module for supplying power, a data download module for downloading data and the like.
Problems existing in the prior art:
the existing data recorder only records the data of the unit, and relies on a train network system, and the data cannot be continuously collected when the train network system fails, so that the data of a failed device cannot be recorded, and the data is lost.
Disclosure of Invention
The embodiment of the application provides data recording equipment and a railway vehicle, and aims to solve the technical problems.
According to a first aspect of embodiments of the present application, there is provided a data recording apparatus including: the device comprises a central processing module, a data storage module, an analog quantity acquisition interface, a digital quantity acquisition interface, a frequency acquisition interface and a control output interface, wherein the central processing module is respectively connected with the data storage module, the analog quantity acquisition interface, the digital quantity acquisition interface, the frequency acquisition interface and the control output interface, and the interfaces are isolated from each other and are grounded;
the analog quantity acquisition interface is used for acquiring train analog quantity data;
the digital quantity acquisition interface is used for acquiring train switching value data;
the frequency acquisition interface is used for acquiring Hertz data;
and the central processing module is used for controlling each interface to collect data and store the data to the data storage module, generating a train control instruction according to the collected data and outputting the train control instruction through the control output interface.
According to a second aspect of embodiments of the present application there is provided a rail vehicle comprising a plurality of consists and a data logging device as described above for collecting and logging data throughout the vehicle.
By adopting the data recording equipment and the rail vehicle provided by the embodiment of the application, the train protection system has the advantages of simple circuit, low cost and the like while meeting the train data recording function, does not need to rely on a train network control system, can continuously acquire and record data through each physical interface hardware when the train network control system is paralyzed, records the running data of the train in real time, monitors the train key data, and can trigger the train protection system of the train protection system once the train protection system exceeds a set threshold value.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 shows a schematic diagram of a prior art train data recorder product;
FIG. 2 is a schematic structural diagram of a data recording device according to a first embodiment of the present application;
FIG. 3 is a schematic structural diagram of a data recording apparatus according to a first embodiment of the present application;
fig. 4 shows a schematic structural diagram of a rail vehicle in a second embodiment of the present application;
fig. 5 shows a schematic structural diagram of a data recorder in the third embodiment of the present application.
Detailed Description
In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following further detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not exhaustive of all embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
Example one
Fig. 2 shows a schematic structural diagram of a data recording device in a first embodiment of the present application.
As shown, the data recording apparatus includes: the device comprises a central processing module, a data storage module, an analog quantity acquisition interface, a digital quantity acquisition interface, a frequency acquisition interface and a control output interface, wherein the central processing module is respectively connected with the data storage module, the analog quantity acquisition interface, the digital quantity acquisition interface, the frequency acquisition interface and the control output interface, and the interfaces are isolated from each other and are grounded;
the analog quantity acquisition interface is used for acquiring analog quantity data such as train air pressure, voltage and the like;
the digital quantity acquisition interface is used for acquiring train switching value data;
the frequency acquisition interface is used for acquiring the Hertz data of the train running speed;
and the central processing module is used for controlling each interface to collect data and store the data to the data storage module, generating a train control instruction according to the collected data and outputting the train control instruction through the control output interface.
By adopting the data recording equipment provided by the embodiment of the application, the data recording function of the train is met, meanwhile, the advantages of simple circuit, low cost and the like are achieved, the train network control system is not required to be relied on, when the train network control system is paralyzed, data can be continuously acquired and recorded through each physical interface hardware, the running data of the train is recorded in real time, the key data of the train are monitored, and once the key data of the train exceed a set threshold value, the train protection system can be triggered.
In one embodiment, the central processing module stores the data acquired by each interface to the data storage module, specifically: the central processing module stores the acquired data in a circular buffer area, covers the corresponding data in the circular buffer area when determining that the corresponding data acquired subsequently changes, and stores the changed data in the data storage module.
In one embodiment, the data recording apparatus further comprises: and the sound-light alarm panel is connected with the control output interface and is used for carrying out sound-light alarm according to the train control instruction output by the control output interface.
Fig. 3 shows another schematic structural diagram of a data recording device in the first embodiment of the present application.
As shown in the drawings, the data recording device provided by the embodiment of the present application may include a data recorder body, the data recorder is respectively connected with a digital acquisition interface, a pressure acquisition interface, an Ethernet interface, a frequency acquisition interface, an analog acquisition interface, a remote download module, a configuration port, a train monitoring output port, an overspeed protection brake output, a driver alert brake output and the like, the train monitoring output port is respectively connected with an audible and visual alarm panel, the driver alert brake output and the overspeed protection brake output, the overspeed protection brake output is connected with a speed control module, an isolation amplification module and the frequency acquisition interface, the speed control module is connected with a speedometer, the isolation amplification module is connected with a speed sensor, the analog acquisition interface is connected with a train voltage and a handle, and the pressure acquisition interface is connected with an air pressure acquisition module.
During specific implementation, each module is located inside the sound-light alarm panel, each interface is located on the side, the shape of the interface can be set into a round hole or a long hole according to specific requirements, a display lamp and a loudspeaker for alarming are arranged on the sound-light alarm panel, and the sound-light alarm panel further comprises a button or a voice receiving device (such as a microphone and the like) for receiving the response of a driver to the alarm.
In one embodiment, the central processing module is further configured to output a penalty brake instruction when the acousto-optic alarm panel does not receive a response to the train control instruction within a preset time; and when the acousto-optic alarm panel receives a response to the train control command within the preset time, resetting an internal timer corresponding to the train control command.
In one embodiment, the data recording apparatus further comprises: the emergency cut-off switch is connected between the control output interface and the digital quantity acquisition interface, if braking cannot be relieved after the punishment braking instruction is output or the punishment braking instruction needs to be isolated, the emergency cut-off switch is disconnected, and the digital quantity acquisition interface acquires the action and stores the action to the data storage module.
In one embodiment, the data recording apparatus further comprises: and the signal isolation amplification module is used for connecting the speed sensor, amplifying the train running speed signal acquired by the speed sensor through acquiring the gear rotating speed of the train gearbox, transmitting the first path to the frequency acquisition interface for current speed recording, transmitting the second path to the odometer for mileage calculation, and transmitting the third path to the speed control module for speed calculation and display.
In one embodiment, the data recording apparatus further comprises: and the speed monitoring control module is respectively connected with the signal isolation amplification module and the digital quantity acquisition interface and is used for analyzing the train running speed signal, driving the output of a speedometer according to an analysis result, activating the contact of an overspeed relay in the speed monitoring control module to be disconnected when the train running speed signal is detected to meet the preset logic condition of an overspeed range, and outputting a punishment braking instruction by the control output interface when the contact of the overspeed relay is disconnected, wherein the punishment output instruction is recorded by the digital quantity interface.
In one embodiment, the data recording apparatus further comprises: the remote downloading module is connected with the downloading interface and is used for uploading software or downloading data.
In one embodiment, the data recording apparatus further comprises: the data recording device comprises a network interface and a configuration interface, wherein the network interface is used for receiving collected data through a network, and the configuration interface is used for receiving a data configuration command of the data recording device.
Example two
Based on the same inventive concept, the embodiment of the application provides a railway vehicle, the principle of solving the technical problem of the railway vehicle is similar to that of a data recording device, and repeated parts are not repeated.
The rail vehicle includes: the data logging device of embodiment one, the data logging device is used for gathering and recording data of whole vehicle.
Fig. 4 shows a schematic structural diagram of a multi-consist railway vehicle in the second embodiment of the present application.
As shown, the rail vehicle includes: a plurality of consists, and a data logging device as described in embodiment one for collecting and recording data throughout the vehicle.
Fig. 4 is a schematic diagram of a train set as an example, and the embodiment of the present application can also be applied to a large railway train without a train set.
The traditional data recorder completely depends on train network control, and needs to arrange a hardware device for each unit, and each device only records all data of the unit; the embodiment of the application provides a rail vehicle, is not influenced by marshalling, and the whole vehicle only needs one data recording device, and does not need each unit to arrange alone, very big reduction the cost and improved the integrated level, and in addition, the data recording device that this application embodiment provided integrates functions such as train control and train overspeed protection into a whole, makes it an important direction of network development in the future.
EXAMPLE III
In order to facilitate the implementation of the present application, the embodiments of the present application are described with a specific example.
The embodiment of the application develops a new product (data recorder) which can be installed on various rail trains such as a common railway carriage, a subway, a high-speed rail and the like.
The data recorder is a discrete input data recording, train monitoring and overspeed protection system based on IEEE1482.1-2013 standard, receives data from various sensors, frequency input counters, digital input and Ethernet ports, continuously monitors various digital quantities, analog quantities, frequencies and communication channels, records only data which change within a certain time range, and puts the data into a circular buffer area, and when the monitored channel data change within a certain time range, the earliest data is covered.
The interfaces are isolated from each other and grounded to prevent mutual interference from causing data record loss or failure.
Fig. 5 shows a schematic structural diagram of a data recorder in the third embodiment of the present application.
As shown in the figure, the data recorder provided by the embodiment of the application comprises a data recording module, a train monitoring module, an overspeed protection module, a digital acquisition port, an analog acquisition port, a pressure acquisition port, a frequency acquisition port, a configuration port, a download port, a video monitoring port, an ethernet port, a train monitoring output port and other hardware interfaces, wherein an acousto-optic alarm panel is connected with the train monitoring output interface, RL1A of the train monitoring output interface acquires the on/off state of a switch, RL1B acquires the brake output condition, and when the brake pressure changes, the driver is indicated to effectively operate a handle or a button and other responses.
The frequency acquisition port is connected with the speed sensor through the signal isolation and amplification module, the signal isolation and amplification module is respectively connected with the odometer, the speed monitoring control module and the data recorder, and the speed monitoring control module is respectively connected with the speedometer and the digital acquisition port.
The download port is connected with the remote download module.
The data recorder provided by the embodiment of the application can execute self-diagnosis and store the diagnosis result in the nonvolatile memory module, and can provide detailed description of event log, state transmission, real-time data collection, time synchronization and software version check. The following functions may be specifically performed:
data recording function:
1) monitoring input data sources from various input channels;
2) recording the time and date when the event occurred;
3) providing access to stored data for downloading via the serial port as required;
4) providing access to current input data state information for on-demand operational verification;
5) internal fault status and diagnostic information is provided on demand.
The train monitoring function:
safety devices for ensuring that the driver remains alert, train monitoring functions require some control action to be processed on the train to reset an internal timer controlled by the function, which may be any of a variety of reset sources. The warning is output through an audible and visual alarm panel installed in the driver's cabin, and if the driver fails to confirm the warning, punitive braking is performed.
Meanwhile, if the punishment brake output is caused due to the fault of the train monitoring function, in order to ensure the normal operation of the train, an emergency cut-off switch is arranged to bypass the function, and meanwhile, the bypass action is also recorded by the data recorder.
Overspeed protection function:
and analyzing the speed signal input information and driving the output of a speed meter through a speed monitoring control module, detecting the logic condition of the overspeed range and activating the output of a relay. When the speed is equal to or greater than the overspeed setting, the display screen located inside the speedometer will flash, at which time the overspeed relay contacts within the control module are open, resulting in a penalty brake output.
In order to prevent the core of a component from being damaged due to frequent plugging and unplugging of reasons such as data downloading or software uploading, a remote downloading module is designed in the embodiment of the application, and the module supports a plurality of interface forms such as a serial interface, a USB (universal serial bus) and an Ethernet.
To sum up, the data recorder that this application embodiment provided possesses following advantage:
1) recording the running data of the train in real time, monitoring the key data of the train, and triggering the train protection system of the train once the key data of the train exceeds a set threshold;
2) due to the fact that the design meets the standard of the IEEE and the FRA, the risk that the stored data of the equipment is lost under the extreme environmental conditions of soaking, fire, strong impact and the like can be avoided. Even if the data transmission method is adopted, the data can be transmitted to the ground in real time through the network by the Ethernet interface of the data transmission method
3) The functions of data recording, train monitoring, overspeed protection, video recording monitoring and the like are integrated, the efficiency of interface data distribution, definition and transmission among equipment is improved, and the data transmission failure rate among the equipment is reduced.
The embodiment of the application monitors the operation of a driver and the state of a vehicle through the train, provides overspeed protection for the running speed of the train, and realizes omnibearing real-time monitoring by combining a video recorder, and the data recorder records all state data and other key running information in real time and transmits the state data and other key running information to the ground through a network.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein. The scheme in the embodiment of the application can be implemented by adopting various computer languages, such as object-oriented programming language Java and transliterated scripting language JavaScript.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (10)
1. A data recording apparatus, characterized by comprising: the device comprises a central processing module, a data storage module, an analog quantity acquisition interface, a digital quantity acquisition interface, a frequency acquisition interface and a control output interface, wherein the central processing module is respectively connected with the data storage module, the analog quantity acquisition interface, the digital quantity acquisition interface, the frequency acquisition interface and the control output interface, and the interfaces are isolated from each other and are grounded;
the analog quantity acquisition interface is used for acquiring train analog quantity data;
the digital quantity acquisition interface is used for acquiring train switching value data;
the frequency acquisition interface is used for acquiring train Hertz data;
and the central processing module is used for controlling each interface to collect data and store the data to the data storage module, generating a train control instruction according to the collected data and outputting the train control instruction through the control output interface.
2. The data recording device according to claim 1, wherein the central processing module stores the data collected by each interface to a data storage module, specifically: the central processing module stores the acquired data in a circular buffer area, covers the corresponding data in the circular buffer area when determining that the corresponding data acquired subsequently changes, and stores the changed data in the data storage module.
3. The data recording device according to claim 1, characterized by further comprising: and the sound-light alarm panel is connected with the control output interface and is used for carrying out sound-light alarm according to the train control instruction output by the control output interface.
4. The data recording device according to claim 3, wherein the central processing module is further configured to output a punishment braking instruction when the acousto-optic alarm panel does not receive a response to the train control instruction within a preset time; and when the acousto-optic alarm panel receives a response to the train control command within the preset time, resetting an internal timer corresponding to the train control command.
5. The data recording device according to claim 4, characterized by further comprising: the emergency cut-off switch is connected between the control output interface and the digital quantity acquisition interface, if braking cannot be relieved after the punishment braking instruction is output or the punishment braking instruction needs to be isolated, the emergency cut-off switch is disconnected, and the digital quantity acquisition interface acquires the action and stores the action to the data storage module.
6. The data recording device according to claim 1, characterized by further comprising: and the signal isolation amplification module is used for connecting the speed sensor, amplifying the train running speed signal acquired by the speed sensor through acquiring the gear rotating speed of the train gearbox, transmitting the first path to the frequency acquisition interface for current speed recording, transmitting the second path to the odometer for mileage calculation, and transmitting the third path to the speed control module for speed calculation and display.
7. The data recording device according to claim 6, characterized by further comprising: and the speed monitoring control module is respectively connected with the signal isolation amplification module and the digital quantity acquisition interface and is used for analyzing the train running speed signal, driving the output of a speedometer according to an analysis result, activating the contact of an overspeed relay in the speed monitoring control module to be disconnected when the train running speed signal is detected to meet the preset logic condition of an overspeed range, and outputting a punishment braking instruction by the control output interface when the contact of the overspeed relay is disconnected, wherein the punishment output instruction is recorded by the digital quantity interface.
8. The data recording device according to claim 1, characterized by further comprising: the remote downloading module is connected with the downloading interface and is used for uploading software or downloading data.
9. The data recording device according to claim 1, characterized by further comprising: the data recording device comprises a network interface and a configuration interface, wherein the network interface is used for receiving collected data through a network, and the configuration interface is used for receiving a data configuration command of the data recording device.
10. A rail vehicle, characterized in that it comprises a data recording device according to any one of claims 1 to 9 for collecting and recording data of the entire vehicle.
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| CN202011006859.5A CN112215981A (en) | 2020-09-23 | 2020-09-23 | Data recording equipment and rail vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011006859.5A CN112215981A (en) | 2020-09-23 | 2020-09-23 | Data recording equipment and rail vehicle |
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