CN111935304A - Locomotive wireless integrated communication equipment with B/S architecture and implementation method thereof - Google Patents
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- 230000003993 interaction Effects 0.000 claims abstract description 19
- 238000006243 chemical reaction Methods 0.000 claims abstract description 4
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/52—Network services specially adapted for the location of the user terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/42—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for mass transport vehicles, e.g. buses, trains or aircraft
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/90—Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
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Abstract
The invention discloses a locomotive wireless integrated communication device with a B/S framework and an implementation method thereof, and the device comprises a display terminal, a transmitter and receiver, a loudspeaker, a central control unit, a network switching unit, a recording unit, a satellite positioning unit, a battery management unit, a 450MHz channel machine, a 800MHz channel machine, a GSM-R voice module and a GSM-R data module, wherein the display terminal, the central control unit, the recording unit and the satellite positioning unit are connected to the network switching unit in a wired mode, and the central control unit performs data interaction with the GSM-R voice module and the GSM-R data module; the central control unit performs data interaction with a 450MHz channel machine and a 800MHz channel machine; the handset and the loudspeaker are connected and converted through an audio interface conversion unit built in the display terminal. The technical effects are that the replacement of the existing locomotive wireless integrated communication equipment scheme is realized, the complex communication flow of each unit in the equipment is simplified, the development and maintenance cost is reduced, and the intellectualization of the railway wireless communication is realized.
Description
Technical Field
The invention relates to locomotive wireless integrated communication equipment, in particular to locomotive wireless integrated communication equipment with a B/S (browser/Server) framework and an implementation method thereof.
Background
The existing locomotive wireless integrated communication equipment comprises an operation display terminal, a main control unit, a 450MHz function unit, an 800MHz alarm unit, a satellite positioning unit, a recording unit, a battery unit, a transmitter and receiver, a loudspeaker and other units, and a 450MHz channel machine, an 800MHz channel machine, a GSM-R voice module, a GSM-R data module and other modules. The operation display terminal is responsible for man-machine interaction, the main control unit is responsible for core service processing, the 450MHz function unit is responsible for 450MHz channel machine control and sending and 450MHz train tail and scheduling communication functions, the 800MHz alarm unit is responsible for 800MHz channel machine control and sending and 800MHz train tail and alarm functions, the recording unit is responsible for recording whole machine data voice, and programs of all units cooperate with each other to achieve normal operation of whole machine equipment.
With the popularization of locomotive wireless integrated communication equipment in the national railway range, the preservation quantity of field equipment is increased, the equipment failure rate begins to rise, the difficulty in judging a failure point is increased due to the working mode of multi-unit cooperation of the whole locomotive, the equipment is frequently upgraded and modified by involving a plurality of units, and the maintenance is difficult, so that the development of a new-generation locomotive wireless integrated communication equipment with robust function, low development cost and convenient maintenance is urgently needed.
Disclosure of Invention
The invention provides a locomotive wireless integrated communication device with a B/S framework and an implementation method thereof, aiming at solving the problems of development, maintenance, failure rate, intellectualization and the like of the existing locomotive wireless integrated communication device. The functions of controlling communication by the central control unit, interacting the display terminal and the central control unit, maintaining access of the monitoring terminal equipment and the like are realized. The specific technical scheme is that the locomotive wireless integrated communication equipment with the B/S architecture comprises a display terminal, a transmitter and receiver, a loudspeaker, a central control unit with built-in WIFI, a recording unit, a satellite positioning unit, a battery management unit, a network exchange unit, a 450MHz channel machine, a 800MHz channel machine, a GSM-R voice module and a GSM-R data module, and is characterized in that: the display terminal, the central control unit, the recording unit, the satellite positioning unit and the battery management unit are connected to the network exchange unit in a wired mode, and data interaction is carried out through a local area network; the display terminal is a browser, the central control unit is a Web server, and data interaction is carried out through HTTP messages; the central control unit performs data interaction with the GSM-R voice module and the GSM-R data module through serial ports; the central control unit performs data interaction with a 450MHz channel machine and an 800MHz channel machine through a data bus; the central control unit is connected with the GSM-R module and the 450MHz channel machine through an audio interface; the handset and the loudspeaker are connected and converted through an audio interface conversion unit built in the display terminal.
The realization method comprises the steps of adopting a central control unit to control communication, interacting a display terminal with the central control unit, and maintaining access of a monitoring terminal; the method comprises the following steps of (I) adopting a central control unit to control communication:
(1) when the locomotive wireless integrated communication equipment is started, the central control unit firstly sends handshake information to the satellite positioning unit, the recording unit and the battery management unit, the central control unit judges that the connection of the units is normal when receiving handshake response, if the central control unit does not receive handshake response within 30 seconds, the central control unit judges that the units are in failure,
(2) the central control unit initializes the GSM-R data module: registering to the GSM-R network, acquiring IP address, initializing GSM-R data module,
(3) the locomotive wireless integrated communication equipment waits for receiving data on a GSM-R channel,
(4) setting a waiting frequency point of an 800MHz channel machine, receiving data, and entering a passenger train tail and train protection alarm and approaching an early warning waiting state; setting 450MHz channel waiting frequency point, receiving data, entering the waiting state of train tail, dispatching communication and dispatching command,
(5) starting a data and voice forwarding thread, and sending data and voice to a recording unit in real time;
(II) the interaction step of the display terminal and the central control unit:
(1) after the locomotive wireless integrated communication equipment is powered on, and each unit is initialized, the display terminal sends an HTTP request to the central control unit through the browser,
(2) after the HTTP server in the central control unit receives the HTTP request, the carried request information is transferred to the Web container,
(3) after receiving the Request, the Web container creates a Request object and a Response object, selects a Servlet class through a web.xml file, creates an instantiation object through the Servlet class, transmits the Request object and the Response object as parameters,
(4) the operation database accesses the key data,
(5) the Web container reads the processing result of the Servlet object and forwards the response result to the browser through the HTTP server;
(III) maintaining the access of the monitoring terminal:
(1) the maintenance monitoring terminal is accessed into the local area network where the central control unit is located in a wireless or wired mode,
(2) the maintenance monitoring terminal sends a data request to the central control unit,
(3) the central control unit returns the network related state, the module communication state and the other unit state,
(4) the maintenance monitoring terminal device initiates an automatic test, a test module and a channel machine index,
(5) the central control unit returns the test result,
(6) the maintenance monitoring terminal reads the data of the recording unit,
(7) and the maintenance monitoring terminal sends maintenance programs or data to each unit.
The invention has the beneficial effects that: the invention improves the problems of the existing locomotive wireless integrated communication equipment in the aspects of development cost, maintenance, failure rate and intellectualization, improves the train operation safety and realizes the intellectualization of railway communication.
Drawings
FIG. 1 is a schematic block diagram of the system connection of the present invention;
FIG. 2 is a flow chart of the central control unit control communication in the present invention;
FIG. 3 is a flow chart of the interaction between the display terminal and the central control unit in the present invention;
fig. 4 is a flow chart of access of the maintenance monitoring terminal device in the present invention.
Detailed Description
The invention is further illustrated by the following figures and examples.
As shown in fig. 1, a locomotive wireless integrated communication device with a B/S architecture includes a display terminal, a handset, a speaker, a central control unit with built-in WIFI, a recording unit, a satellite positioning unit, a battery management unit, a network switching unit, a 450MHz channel machine, an 800MHz channel machine, a GSM-R voice module, and a GSM-R data module, wherein the display terminal, the central control unit, the recording unit, the satellite positioning unit, and the battery management unit are all connected to the network switching unit, and perform data interaction through a local area network; the display terminal is a browser, the central control unit is a Web server, and data interaction is carried out through HTTP messages; the central control unit performs data interaction with the GSM-R voice module and the GSM-R data module through serial ports; the central control unit performs data interaction with a 450MHz channel machine and an 800MHz channel machine through a data bus; the central control unit is connected with the GSM-R module and the 450MHz channel machine through an audio interface; the handset and the loudspeaker are connected and converted through an audio interface conversion unit built in the display terminal.
The central control unit adopts a Linux operating system, and the specific functions comprise the control communication of the central control unit, the data interaction of the display terminal and the central control unit, and the access of the monitoring terminal equipment.
Adopting a central control unit to control the communication steps:
1) after the central control unit is started, periodically sending handshaking information to the satellite positioning unit, the recording unit and the battery management unit, timing for 30 seconds, judging that the unit is normally connected if a handshaking response returned by the unit is received, and judging that the unit has a fault if the handshaking response is not received within 30 seconds,
2) the central control unit initializes the GSM-R data module: inquiring module information, network attaching, registering to GSM-R network, obtaining IP address by locomotive number, finishing GSM-R data module initialization,
3) the locomotive wireless integrated communication equipment waits for receiving information such as a scheduling command and the like on a GSM-R channel,
4) if the 800MHz channel machine is normally connected, setting a waiting frequency point of the 800MHz channel machine, receiving data, entering a passenger train tail, train protection alarm and approaching early warning waiting state; if the 450MHz channel machine is connected normally, the 450MHz channel machine waiting frequency point is set, the data is received, the state of train tail, dispatching communication and dispatching command waiting is entered,
5) starting each service module thread, and sending data and voice to the recording unit in real time;
the display terminal and the central control unit are interacted:
1) after the initialization of each unit is completed, the display terminal sends HTTP request to the central control unit through the browser to request the information of the main interface,
2) after the HTTP server in the central control unit receives the HTTP request, the carried request information is transferred to the Web container, the Web container is responsible for processing the related request,
3) after the Web container is started, loading all Servlet classes, after the Web container receives a Request transferred by an HTTP server, creating a Request object and a Response object, selecting a corresponding processing Servlet class through a configuration file web.xml under a project directory, then creating an instantiation object through the Servlet classes, transmitting the Request object and the Response object as parameters to a service () function, processing the Request in the service () function,
4) the operation database module accesses the key data,
5) the service () function stores the processing result in a Response object, the Web container reads the Response object of the Servlet object, converts the Response object into an HTTP message through an HTTP server and sends the HTTP message to a browser end, and the browser displays the HTTP message;
maintenance and monitoring terminal equipment access step:
1) the maintenance monitoring terminal equipment can be connected into a local area network where the central control unit is located through a network switching unit in a wired way or through a wireless connection through a WIFI module in the central control unit,
2) after the access is successful, the maintenance monitoring terminal equipment can send requests for inquiring network state, module state, unit state and the like to the central control unit,
3) the central control unit returns network related state, module communication state, other unit state, etc., the maintenance monitoring terminal device can display in the way of writing, imaging, phonation, etc.,
4) the maintenance monitoring terminal device initiates an automatic test, a test module and a channel machine index,
5) the central control unit returns the test result, maintains the digital display of the monitoring terminal equipment,
6) when the running state of the locomotive wireless integrated communication equipment needs to be analyzed or problems need to be analyzed, the maintenance monitoring terminal can read the data of the recording unit, and after the data is returned by the recording unit, the maintenance monitoring terminal uses the built-in data analysis software for analysis, thereby being convenient for checking,
7) and when the field requirement changes, the upgrading program or data can be sent to the central control unit of the locomotive wireless integrated communication equipment through the maintenance monitoring terminal.
Claims (2)
1. The utility model provides a locomotive wireless integrated communication equipment of BS framework, includes display terminal, electrophone, speaker and built-in WIFI' S central control unit, record unit, satellite positioning unit, battery management unit, network switching unit, 450MHz channel machine, 800MHz channel machine, GSM-R voice module, GSM-R data module, its characterized in that: the display terminal, the central control unit, the recording unit, the satellite positioning unit and the battery management unit are connected to the network exchange unit in a wired mode, and data interaction is carried out through a local area network; the display terminal is a browser, the central control unit is a Web server, and data interaction is carried out through HTTP messages; the central control unit performs data interaction with the GSM-R voice module and the GSM-R data module through serial ports; the central control unit performs data interaction with a 450MHz channel machine and an 800MHz channel machine through a data bus; the central control unit is connected with the GSM-R module and the 450MHz channel machine through an audio interface; the handset and the loudspeaker are connected and converted through an audio interface conversion unit built in the display terminal.
2. A method for implementing a locomotive wireless integrated communication device using the B/S architecture of claim 1, wherein: the realization method comprises the steps of adopting a central control unit to control communication, interacting a display terminal with the central control unit, and maintaining access of monitoring terminal equipment;
the method comprises the following steps of (I) adopting a central control unit to control communication:
(1) when the locomotive wireless integrated communication equipment is started, the central control unit firstly sends handshake information to the satellite positioning unit, the recording unit and the battery management unit, the central control unit judges that the connection of the units is normal when receiving handshake response, if the central control unit does not receive handshake response within 30 seconds, the central control unit judges that the units are in failure,
(2) the central control unit initializes the GSM-R data module: registering to the GSM-R network, acquiring IP address, initializing GSM-R data module,
(3) the locomotive wireless integrated communication equipment waits for receiving data on a GSM-R channel,
(4) setting a waiting frequency point of an 800MHz channel machine, receiving data, and entering a passenger train tail and train protection alarm and approaching an early warning waiting state; setting 450MHz channel waiting frequency point, receiving data, entering the waiting state of train tail, dispatching communication and dispatching command,
(5) starting a data and voice forwarding thread, and sending data and voice to a recording unit in real time;
(II) the interaction step of the display terminal and the central control unit:
(1) after the locomotive wireless integrated communication equipment is powered on, and each unit is initialized, the display terminal sends an HTTP request to the central control unit through the browser,
(2) after the HTTP server in the central control unit receives the HTTP request, the carried request information is transferred to the Web container,
(3) after receiving the Request, the Web container creates a Request object and a Response object, selects a Servlet class through a web.xml file, creates an instantiation object through the Servlet class, transmits the Request object and the Response object as parameters,
(4) accessing key data by operating a database;
(5) the Web container reads the processing result of the Servlet object and forwards the response result to the browser through the HTTP server;
and (III) maintaining the access of the monitoring terminal equipment:
(1) the maintenance monitoring terminal is accessed into the local area network where the central control unit is located in a wireless or wired mode,
(2) the maintenance monitoring terminal sends a data request to the central control unit,
(3) the central control unit returns the network related state, the module communication state and the other unit state,
(4) the maintenance monitoring terminal device initiates an automatic test, a test module and a channel machine index,
(5) the central control unit returns the test result,
(6) the maintenance monitoring terminal reads the data of the recording unit,
(7) and the maintenance monitoring terminal sends maintenance programs or data to each unit.
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