Summary of the invention
At the defective that exists in the above-mentioned prior art, technical matters to be solved by this invention provides a kind of status information that the train operator reads each subsystem of train easily and other information of allowing, and can be according to predetermined threshold at train fault or the display device for train driving information that Voice ﹠ Video is reported to the police occurs carrying out when unexpected.
In order to solve the problems of the technologies described above, a kind of display device for train driving information provided by the present invention comprises:
One data I/O part, comprise touch-screen load module, PS2 load module, display module and sound module, data input unit is used for man-machine interaction, carries out information input by touch-screen or PS2 equipment, and shows accordingly and indicate by LCD display and audio-frequency module;
One CPU (central processing unit), CPU (central processing unit) are finished all information processings; And generation display message; Described CPU (central processing unit) connects data input and output part respectively, and promptly described CPU (central processing unit) connects touch-screen load module, PS2 load module, display module and sound module respectively;
One data communication module (serial communication modular) is used for communicating with other system; Described data communication module connects CPU (central processing unit), also is provided with the usb communication module of standby connection CPU (central processing unit);
One system maintaining module is used for all information fault messages of real time record, and the maintenance log of system, regularly tests oneself, for the usefulness of system maintenance; Described system maintaining module connects CPU (central processing unit);
One power module, DOC module and internal memory connect described CPU (central processing unit) respectively.
Further, the display message of described CPU (central processing unit) generation: the speed that is provided with reality, target, maximum shows; Be provided with target range, opening-closing door, brake hard ON/OFF, forward/backward, stop, ATO can show with, the state of setting up/lose position, current driving model with, ATP; The fault and the message that are provided with ATP or ATO fault, brake fault, hypervelocity show; Order by driver's input shows.
Further, described data communication module adopts RS422 communication protocol and CDU to communicate.
Further, described system maintaining module can be utilized portable PC to connect by Ethernet and safeguard the software upload with TOD; The user can determine the mode of operation that shows like this; Built-in diagnosis comprises startup and regularly tests oneself, and maintenance software can provide the adjusting of TOD brightness/contrast and volume; Need provide a clearly indication to the status information that detects wrong and software upload in the process of testing oneself.
Further, described sound module is used for according to predetermined threshold at train fault or occur carrying out three-stage audio when unexpected and report to the police.
In order to solve the problems of the technologies described above, the display packing of a kind of train driving information provided by the present invention, its step is as follows:
1) TOD initialization, system promptly enters the self check state, shows blank screen,
2) safeguard? be then to turn to 3); Otherwise turn to 4), 5), 6);
3) service mode: comprise the dynamic log download, adjust brightness, contrast, volume, update software.
4) there is not communication: and do not set up and the communicating by letter of CDU, with the communication loss of CDU.
5) TOD fault.
6) show (driver operation) main interface, comprise train operation master interface, driver and train ID inputting interface, error listing interface, information list interface.
Utilize display device for train driving information provided by the invention, since this system by with the communicating by letter of CDU, the various message reflections of train on display screen, and the input by man-machine interaction means such as touch-screens, finish determining to driver, train ID, so display device for train driving information of the present invention can make the train operator read the status information of each subsystem of train and other information easily, and can be according to predetermined threshold at train fault or three-stage audio and video alarm occur carrying out when unexpected.
Embodiment
Below in conjunction with description of drawings embodiments of the invention are described in further detail, but present embodiment is not limited to the present invention, every employing analog structure of the present invention and similar variation thereof all should be listed protection scope of the present invention in.
As depicted in figs. 1 and 2, embodiment of the invention display device for train driving information comprises:
One data I/O part, comprise touch-screen load module, PS2 load module, display module and sound module, data input unit is the media of man-machine interaction, carry out information input by touch-screen or PS2 equipment, and show accordingly and indicate by LCD display and audio-frequency module;
One CPU (central processing unit), CPU (central processing unit) are finished all information processings; And generation display message: the speed that is provided with reality, target, maximum shows; Be provided with target range, opening-closing door, brake hard ON/OFF, forward/backward, stop, ATO can show with, the state of setting up/lose position, current driving model with, ATP; The fault and the message that are provided with ATP or ATO fault, brake fault, hypervelocity show; Order by driver's input shows; Described CPU (central processing unit) connects data input and output part respectively, and promptly described CPU (central processing unit) connects touch-screen load module, PS2 load module, display module and sound module respectively;
One data communication module (serial communication modular), train operator's display unit (TOD) communicates by this module and other system, adopts RS422 communication protocol here; Receive the message that the every 100ms of CDU sends, and communicate with same speed and CDU; Described data communication module connects CPU (central processing unit), also is provided with the usb communication module that connects CPU (central processing unit);
One system maintaining module, train operator's display unit (TOD) not only can be finished communication and human-computer interaction function, but also all information fault messages of real time record, and the maintenance log of system, can utilize portable PC to connect for the usefulness of system maintenance and safeguard software upload with TOD by Ethernet; The user can determine the mode of operation that shows like this; Built-in diagnosis comprises startup and regularly tests oneself.Maintenance software can provide the adjusting of TOD brightness/contrast and volume; Need provide a clearly indication to the status information that detects wrong and software upload in the process of testing oneself; Described system maintaining module connects CPU (central processing unit);
One power module, DOC module and internal memory connect described CPU (central processing unit) respectively.
A kind of display device for train driving information TOD that the embodiment of the invention provided, its major function is to allow the train operator to read status information and other information of each subsystem of train, and can be according to predetermined threshold at train fault or the warning etc. of three-stage audio and video occurs carrying out when unexpected.TOD connects in the compartment of train display unit (CDU) by the RS422 asynchronous serial communication protocol, and the asynchronous protocol parameter is 1 start bit, 8 bit data positions, 1 position of rest, no parity check.Traffic rate between CDU and the TOD is 9600bps.As performance need, can reset to 19.2Kbps to interface.
CDU provides the information that needs demonstration to TOD, as present speed, maximal rate, target velocity and target range etc.It can also import data, as train identification number (Train ID), driver's identifier (Crew ID) etc.
As a kind of intelligent train human-computer interaction terminal, its course of work comprises the following aspects:
Receive the message that CDU sends, through CRC check errorless after, on LCD, demonstrate the current various states of train according to the content of corresponding state field.
The train operator is by touch-screen input train ID and driver ID, and these information send message by RS422 to CDU together with one process of various failure messages protocol encapsulation of TOD.
Take relative measures according to the status information of receiving, as reporting to the police etc.
As shown in Figure 3, the course of work of embodiment of the invention display device for train driving information, train operator's display unit (TOD) is connected the 110VDC power supply after connecting by RS422 with CDU, and system promptly enters the self check state, and shows corresponding self check information.After the self check, system shows blank screen, and checks the situation that communicates to connect, if TOD did not receive effective message of CDU in 5 seconds, then showing does not have the communication picture, otherwise then shows driver operation master interface, and all information are shown in relevant position, main interface.At this interface, the driver can see the various states of train operation easily.
As shown in Figure 3, the step of the method for work of train operator's display unit is as follows:
1) TOD initialization, system promptly enters the self check state, shows blank screen,
2) safeguard? be then to turn to 3); Otherwise turn to 4), 5), 6);
3) service mode: comprise the dynamic log download, adjust brightness, contrast, volume, update software.
4) there is not communication: and do not set up and the communicating by letter of CDU, with the communication loss of CDU.
5) TOD fault.
6) show (driver operation) main interface, comprise train operation master interface, driver and train ID inputting interface, error listing interface, information list interface.
Under the normal condition, only show corresponding data on the display screen; If run into unusual, such as: lose communication, situations such as brake hard then not only show content corresponding in the fault viewing area, and TOD will sound and remind the driver.According to different Exception Types, TOD will send the sound of different frequency and volume and be distinguished.If this is hypervelocity unusually, then except above-mentioned, the red led of a flicker also can appear in the viewing area in TOD.
TOD adopts TFT true color LCD technology and touch-screen, the X86 framework cpu motherboard that configuration is advanced, and the popular embedded real-time operating system WinCE of industry, and power module is unified to be installed with back sticking type and backboard support, can effectively satisfy heat radiation and vibration proof needs.
Below principle of the present invention is done following description:
Train operator's display unit (TOD) is the embedded system of a man-machine interaction.This system by with the communicating by letter of CDU, on display screen, determining driver, train ID finished in and the input by man-machine interaction means such as touch-screens the various message reflections of train.This product has been done a lot of improvement, to adapt to the complicated actual operating environment of train.