CN103895670A - Operation method of screen displayer of train operation monitoring device without stored basic data - Google Patents
Operation method of screen displayer of train operation monitoring device without stored basic data Download PDFInfo
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- CN103895670A CN103895670A CN201210567293.2A CN201210567293A CN103895670A CN 103895670 A CN103895670 A CN 103895670A CN 201210567293 A CN201210567293 A CN 201210567293A CN 103895670 A CN103895670 A CN 103895670A
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Abstract
Disclosed is an operation method of a screen displayer of a train operation monitoring device without stored basic data. A main control unit adopts a linear FLASH as storage medium of basic data and sends the basic data needed by the screen displayer in real time according to the operation state of a train; the main control unit broadcasts the basic information of two block sections in the front operating direction of the train in real time; when positioning of the basic data begins and the route of the train is transferred, the main control unit actively sends the basic data in the front operating direction of the train to the screen displayer; the screen displayer judges whether the basic information, broadcasted in real time, of the two block sections in the front operating direction of the train is consistent with the received basic data in the front operating direction of the train; if not, or the screen displayer is restarted due to power down, the screen displayer actively applies for basic data from the main control unit; after the main control unit receives the application, the main control unit immediately sends the basic data in the front operating direction of the train to the screen displayer from the current position; the screen displayer displays various types of state information in the front operating direction of the train according to the received basic data.
Description
Technical field
The present invention relates to one and be applied in train operation monitoring device (hereinafter to be referred as LKJ) basic data
Background technology
Train operation monitoring device (hereinafter to be referred as LKJ) basic data is that LKJ controls the basis of function realization and the foundation of operating analysis, the accuracy of LKJ basic data is prerequisite and the guarantee of monitoring safe train operation, and LKJ basic data (vehicle-mounted part) is stored in respectively in LKJ monitoring host computer and LKJ screen display at present.
LKJ screen display is according to the basic data of its storage, show in real time train operation ahead signal information, and show that with curve, symbol and written form train operation ahead is no less than 3km with information such as interior route curve, the ramp gradient, road junction, bridge tunnel and station, signal, contact system phase-splitting mark facilities, driver operates according to the shown content of screen display, thereby guarantees train safe, smooth running.
Basic data in LKJ monitoring host computer is for the basic controlling of LKJ, and the basic data in screen display is used for showing train operation ahead line conditions information, thereby driver instructor is handled.When each basic data changes the outfit, (basic data changes the outfit quite frequent at present) needs to upgrade the basic data in LKJ monitoring host computer and two ends screen display simultaneously, and this kind of mode exists following drawback.
1) work capacity that basic data changes the outfit is large
1., each basic data is while upgrading, needs point to be clipped between I end driver's cab, machinery and II end driver's cab upgrades respectively the data of I end telltale, monitoring host computer and II end telltale;
2., each basic data is while upgrading, the basic data in spare unit (screen display for subsequent use and monitoring host computer for subsequent use) need to be changed.
2) there is certain potential safety hazard
1., basic data change time, if version error is not upgraded or upgraded to any one data, all can affect the normal operation of train;
2., screen display need to store LKJ basic data, there is certain risk in the validity of data storage;
3., in the situation that Data Update is correct, if because condition of instant error appears in certain n segment display n, can cause this end telltale cannot correctly call basic data, thereby affect the normal operation of train.
3) bad adaptability of screen display
When train operation is broken down during to other Railway Bureau, when screen display need to be changed, because of the basic data difference of storage inside, cause the screen display (or change very complicated, need data again) that can not change other Railway Bureau.
4) screen display software processing logic complexity, bad adaptability
LKJ basic data is called and processing logic more complicated, and software need to expend more resource and process basic data, and in the time that basic data form changes, need to revise simultaneously and change screen display software; If when screen display software and LKJ monitoring host computer software occur difference to data processing method, can cause screen display to show and control the inconsistent situation that occurs.
Summary of the invention
The object of the invention is to cancel the storage of telltale track data, LKJ basic data is concentrated and processed by LKJ monitoring host computer, and will need displaying contents notification screen telltale, reducing the work capacity that LKJ basic data data change the outfit, the processing logic that eliminates safe hidden trouble, simplifies screen display software, improve the comformability of screen display.
For achieving the above object, the present invention is by the following technical solutions:
An operating method for train operation monitoring device screen display foundation-free data storage, main control unit adopts the storage medium of linear FLASH as basic data, and sends in real time the needed basic data of screen display according to train operation state;
The essential information of two block sections of main control unit real-time broadcast train operation ahead; In the time that the beginning of basic data location, train pathway shift, main control unit initiatively sends the basic data of train operation ahead to screen display;
Screen display judge the essential information of two block sections of train operation ahead of real-time broadcast and the basic data of the train operation ahead receiving whether consistent; If the two is inconsistent, or because power down while restarting, initiatively to main control unit application basic data; Main control unit receives after application, and the basic data that sends train operation ahead from train current location is immediately to screen display; The basic data that screen display utilization receives shows the various status informations of train operation ahead.
Main control unit, before sending, first carries out check sum redundancy check.
The workflow of described screen display is:
The first, receive in real time the essential information of two block sections of train operation ahead of main control unit broadcast;
The second, when screen display is in the time that basic data is called state, obtain the basic data of train operation ahead to main control unit application;
The 3rd, intercept the basic data of train operation ahead, and it is carried out to verification, then judge that whether the essential information of two block sections of train operation ahead of real-time broadcast and the basic data of the train operation ahead receiving be consistent; If the two is inconsistent, or because power down while restarting, is initiatively applied for basic data to main control unit again; If the two is consistent,, in the time that the satisfied pre-picture of data volume of basic data requires, the basic data that screen display utilization receives shows the various status informations of train operation ahead.
Adopt the present invention of technique scheme, can improve LKJ basic data change efficiency by the present invention, improve the safety of LKJ system, strengthen the comformability of LKJ screen display, reduce the processing logic of screen display, its concrete manifestation is as follows:
1) improve LKJ basic data and change efficiency
1. the basic data of, changing at present a locomotive need to be changed the basic data 10min in LKJ monitoring host computer, the basic data time of changing a screen display needs two screen displays of 5min(to need 10min), cancel after the basic data storage of LKJ screen display, can improve 100% replacing efficiency;
2., the basic data of screen display spare unit changes, the basic data of spare unit is changed needs these spare unit move on test cell and power on, and then changes data, then carry out one-time detection, approximately need the time of 20min, the spare unit according to 20% calculate, and can shorten for 20% data replacing time.
2) safety of raising LKJ system
Cancel after screen display storage basic data, eliminate because screen display data and the inconsistent potential safety hazard causing of LKJ monitoring host computer store data inside, eliminate the risk that screen display storage data are tampered, eliminated abnormal condition sub-screen telltale calling data and the inconsistent situation of LKJ monitoring host computer calling data simultaneously.
3) comformability of enhancing LKJ screen display
Cancel after the basic data storage of screen display, can significantly improve the comformability of screen display, be mainly manifested in screen display and screen display adaptability of software, its particular content is as follows:
1., in the time that screen display need to be changed, whether the basic data that does not need to detect screen display storage is correct, changes the complex process (search corresponding versions of data, data are write on data updating device, are updated in screen display) of data while eliminating factor data mal;
2., improve screen display adaptability of software.In the time that LKJ basic data form changes, do not need to revise screen display software, the risk that has reduced software change and changed, has improved screen display adaptability of software.
4) processing logic of reduction screen display
Screen display is cancelled after basic data storage, has simplified to a great extent the processing logic of screen display software, has eliminated because of screen display software with LKJ monitoring software the difference existing in basic data processing, controls and demonstration inconsistent.
5) be the online updating work basis deposit of later LKJ basic data
Cancel after the basic data storage of screen display, LKJ mobile unit has only retained the basic data storage in monitoring host computer, is conducive to by wireless device online updating LKJ vehicle-mounted basic data.
Accompanying drawing explanation
Fig. 1 is main control unit and screen display basic data interaction figure.
Fig. 2 is main control unit and screen display basic data interactive relation schematic diagram.
Fig. 3 is main control unit basic data processing diagram of circuit.
Fig. 4 is the judgement of screen display basic data and flow for displaying figure.
The specific embodiment
As shown in Figure 1 and Figure 2, the operating method of a kind of train operation monitoring device screen display foundation-free data storage, main control unit adopts the storage medium of linear FLASH as basic data, and send in real time the needed basic data of screen display according to train operation state, cancelled the data storage in screen display simultaneously.
As shown in Figure 3, main control unit, before sending, first carries out check sum redundancy check to the basic data in FLASH.Then, the essential information of two block sections of main control unit real-time broadcast train operation ahead.In addition, in the time that the beginning of basic data location, train pathway shift, main control unit initiatively sends the basic data of train operation ahead to screen display.
As shown in Figure 4, the workflow of screen display is:
The first, receive in real time the essential information of two block sections of train operation ahead of main control unit broadcast;
The second, when screen display is in the time that basic data is called state, obtain the basic data of train operation ahead to main control unit application;
The 3rd, intercept the basic data of train operation ahead, and it is carried out to verification, then judge that whether the essential information of two block sections of train operation ahead of real-time broadcast and the basic data of the train operation ahead receiving be consistent; If the two is inconsistent, or because power down while restarting, is initiatively applied for basic data to main control unit again, main control unit receives after application, and the basic data that sends train operation ahead from train current location is immediately to screen display; If the two is consistent,, in the time that the satisfied pre-picture of data volume of basic data requires, the basic data that screen display utilization receives shows the various status informations of train operation ahead.
Claims (3)
1. the operating method of train operation monitoring device screen display foundation-free data storage, it is characterized in that: main control unit adopts the storage medium of linear FLASH as basic data, and send in real time the needed basic data of screen display according to train operation state;
The essential information of two block sections of main control unit real-time broadcast train operation ahead; In the time that the beginning of basic data location, train pathway shift, main control unit initiatively sends the basic data of train operation ahead to screen display;
Screen display judge the essential information of two block sections of train operation ahead of real-time broadcast and the basic data of the train operation ahead receiving whether consistent; If the two is inconsistent, or because power down while restarting, initiatively to main control unit application basic data; Main control unit receives after application, and the basic data that sends train operation ahead from train current location is immediately to screen display; The basic data that screen display utilization receives shows the various status informations of train operation ahead.
2. the operating method of train operation monitoring device screen display foundation-free data according to claim 1 storage, is characterized in that: main control unit, before sending, first carries out check sum redundancy check.
3. the operating method of train operation monitoring device screen display foundation-free data according to claim 1 storage, is characterized in that, the workflow of described screen display is:
The first, receive in real time the essential information of two block sections of train operation ahead of main control unit broadcast;
The second, when screen display is in the time that basic data is called state, obtain the basic data of train operation ahead to main control unit application;
The 3rd, intercept the basic data of train operation ahead, and it is carried out to verification, then judge that whether the essential information of two block sections of train operation ahead of real-time broadcast and the basic data of the train operation ahead receiving be consistent; If the two is inconsistent, or because power down while restarting, is initiatively applied for basic data to main control unit again; If the two is consistent,, in the time that the satisfied pre-picture of data volume of basic data requires, the basic data that screen display utilization receives shows the various status informations of train operation ahead.
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| CN104925096A (en) * | 2015-04-29 | 2015-09-23 | 中国铁道科学研究院 | High-speed train operation environment monitoring train-ground information verifying method, device and system |
| CN105383522A (en) * | 2015-12-09 | 2016-03-09 | 株洲南车时代电气股份有限公司 | Production method and system of running route map of navigation type train |
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| CN104925096B (en) * | 2015-04-29 | 2016-09-14 | 中国铁道科学研究院 | Bullet train operating environment monitoring car ground information calibration method, Apparatus and system |
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