CN212649508U

CN212649508U - Locomotive wireless integrated communication equipment with B/S architecture

Info

Publication number: CN212649508U
Application number: CN202021810768.2U
Authority: CN
Inventors: 刘征
Original assignee: Tianjin 712 Communication and Broadcasting Co Ltd
Current assignee: Tianjin 712 Mobile Communication Co Ltd
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-03-02
Anticipated expiration: 2030-08-26

Abstract

The utility model provides a locomotive wireless integrated communication equipment of BS framework, including display terminal, electrophone, speaker, central control unit, network switching unit, record unit, satellite positioning unit, battery management unit, 450MHz channel machine, 800MHz channel machine, GSM-R voice module, GSM-R data module, display terminal, central control unit, record unit, satellite positioning unit are connected to network switching unit through the wired mode, central control unit carries out data interaction with GSM-R voice module, GSM-R data module, 450MHz channel machine, 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

Locomotive wireless integrated communication equipment with B/S architecture

Technical Field

The utility model relates to a locomotive wireless integrated communication equipment, in particular to locomotive wireless integrated communication equipment of BS framework.

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

In order to solve the existing locomotive wireless integrated communication equipment in development, maintenance, fault rate, intelligent aspect problem etc., the utility model provides a locomotive wireless integrated communication equipment of BS framework. 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 beneficial effects of the utility model are that, improved the wireless problem of synthesizing communication equipment in the aspect of development cost, maintenance, fault rate, intellectuality of existing locomotive, improved train operation security, realized railway communication's intellectuality.

Drawings

Fig. 1 is a schematic block diagram of the system connection of the present invention.

Detailed Description

The present invention will be further explained with reference to the drawings 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

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.