CN104765666A - Train display non-start maintaining method - Google Patents
Train display non-start maintaining method Download PDFInfo
- Publication number
- CN104765666A CN104765666A CN201510183691.8A CN201510183691A CN104765666A CN 104765666 A CN104765666 A CN 104765666A CN 201510183691 A CN201510183691 A CN 201510183691A CN 104765666 A CN104765666 A CN 104765666A
- Authority
- CN
- China
- Prior art keywords
- train display
- display cpu
- pilot lamp
- instruction
- key
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The invention discloses a train display non-start maintaining method. According to the method, after a reset key is triggered, a train display CPU power source chip supplies power to a first indicator light; if the first indicator light is lightened, it is judged that the train display CPU power source chip output is normal, and otherwise the output is abnormal; when a train display CPU receives a first detection instruction, a second indicator light is driven; if the second indicator is lightened, it is judged that the train display CPU works normally, and otherwise the train display CPU works abnormally; when the train display CPU receives a second detection instruction, the train display CPU drives a flash memory to output signals to a third indicator light; if the third indicator light is lightened, it is judged that the flash memory works normally, and otherwise the flash memory works abnormally; when the train display CPU receives a third detection command, an operation system module operates a program for alternatively lightening and distinguishing a fourth indicator light; if the fourth indicator light is lightened and distinguished according to the preset time, it is judged that a train display system operates normally, and otherwise the train display system operates abnormally.
Description
Technical field
The present invention relates to train display maintenance technology field, refer to the maintaining method that a kind of train display does not start especially.
Background technology
Train display is the display terminal of various status information, parameter in train travelling process, the concrete data message of safe location various on train, vitals is fed back to operating personnel, warning can be sent when a failure occurs it simultaneously, enable operating personnel process problem in the very first time, avoid the generation of major accident.
Train display power-down mode is power-off illegally, and display adopts Windows operating system, and this power-down mode brings potential risks must to the security of display operation system.EWF (Enhanced Write Filter) function is increased in display system dish.This function provides a kind of volume of protecting to prevent the means write; this makes operating system (OS) can start from read-only media (as CD ROM, write-protect hard disk or flash memory); all capable writes that involves in being subject to EWF protection are all redirected to covering; these write and are buffered in covering and provide as a part of rolling up; this can produce the presentation that this volume can be write, and covering may be present in disk or random-access memory (RAM).If needed, the data stored can be submitted to shielded volume in covering.Therefore, increase EWF function and greatly can reduce the impaired probability of system.
The reason causing display not start is a lot, is all the reason adopting exclusive method to search problem at present:
1, switch on power, whether observation power light state is luminous, thus judges whether power supply normally works and whether fuse burns out;
2, measure power supply chip relevant pins, confirm that whether CPU board card input voltage is normal;
3, measure key signal in CPU board card, confirm whether the pin of related device in CPU board card exists loose contact problem, check whether components and parts lost efficacy or damaged;
4, repacking operation system, after observing system refitting, can display normally start.
Existing troubleshooting method mainly comprises some problem following:
1, first existing troubleshooting method needs to dismantle display, then whether normally key signal could be measured one by one, this can bring huge workload and work difficulty undoubtedly, therefore needs a kind of method more easily tentatively to judge the trouble spot of product;
Although add EWF function in 2 system disks, but the power-off illegally of train display, viruliferous mobile device insert the possibility that the factors such as display USB interface all can cause display system file corruption, but existing system recovery method needs by USB HUB, USB flash disk, USB mouse, USB keyboard, but also have a lot of setting steps, operation easier is large, expend time in length, and therefore the System recover mode of display needs further to be simplified.
Summary of the invention
In view of this, the object of the invention is to propose the maintaining method that a kind of train display does not start, solve train display when safeguarding and all disassemble, the problem that work difficulty is large; Test point is too much, cannot the problem of failure judgement reason fast; Refitting system outfit is many, the problem of system reducing complex steps; Thus can the reason that do not start of fast finding train display.
Based on the maintaining method that above-mentioned purpose train display provided by the invention does not start, reset key connects train display cpu power chip by an I/O interface, and train display cpu power chip connects the first pilot lamp by the 2nd I/O interface; The keyboard of train display is connected with train display CPU by I2C bus, train display CPU connects flash memory and operating system module respectively by data bus, train display CPU connects the second pilot lamp by the 3rd I/O interface, flash memory connects the 3rd pilot lamp by the 4th I/O interface, and operating system module connects the 4th pilot lamp by the 5th I/O interface; Described operating system module is built in train display CPU, after train display powers on, the operating system of running train display in operating system module, increases in advance to arrange in the system file in operating system module and alternately lights and extinguish the program of the 4th pilot lamp and arrange the alternate intervals time;
Described maintaining method comprises:
After reset key is triggered, train display cpu power chip is powered to the first pilot lamp through the 2nd I/O interface; If the first pilot lamp is lighted, then conclude that train display cpu power chip exports normal, otherwise, conclude train display cpu power chip output abnormality;
When train display CPU receives the first detection instruction, through the 3rd I/O interface driver second pilot lamp; If the second pilot lamp is lighted, then conclude that train display CPU is working properly, otherwise, infer that train display CPU occurs abnormal;
When train display CPU receives the second detection instruction, train display CPU detects instruction by second and sends to flash memory, drives outputing signal to the 3rd pilot lamp through the 4th I/O interface of flash memory; If the 3rd pilot lamp is lighted, then conclude that flash memory is working properly, otherwise, infer that flash memory occurs abnormal;
When train display CPU receives the 3rd detection instruction, train display CPU sends the order of alternately lighting and extinguishing the 4th pilot lamp to operating system module, and operating system module runs the program alternately lighting and extinguish the 4th pilot lamp; If the 4th pilot lamp is time-interleavedly lighted according to what preset and extinguishes, then conclude train display system normal operation, otherwise, infer that the system file of train display is damaged.
In some embodiments, described first to detect instruction be the instruction that " F1 " key and " → " key send when being concurrently triggered; Described second to detect instruction be the instruction that " F1 " key and " ↓ " key send when being concurrently triggered; Described 3rd to detect instruction be the instruction that " F1 " key and " F2 " key send when being concurrently triggered.
In some embodiments, described maintaining method also comprises:
The operating system revising train display in advance makes BIOS must can identify I2C bus, thus key range information;
Increase a subregion dish, Ghost system file is put into this subregion dish, in this subregion dish, increase EWF defencive function simultaneously, and be set to hidden partition;
After train display powers on, enter BIOS system, when now train display CPU receives the 4th detection instruction, the subregion dish hidden is pointed in sense command by BIOS system, thus ejects the dialog box of system of whether resetting;
Train display CPU receives refitting system directive and then to reset system, receives to cancel refitting system directive and then cancel refitting system.
In some embodiments, the described 4th to detect instruction be the instruction that " F1 " key and " F3 " key send when being concurrently triggered; Described refitting system directive is the instruction that " E " key sends when being triggered; It is described that to cancel refitting system directive be the instruction that " F5 " key sends when being triggered.
As can be seen from above, the maintaining method that described train display provided by the invention does not start, the pilot lamp that whether some existing for train display signal lamps can be broken down as decision circuitry or system, with the use of the button above display, thus quick position display fault point, simultaneously can also key reduction (refitting) train display operation system very easily.
Accompanying drawing explanation
The principle framework schematic diagram of the device that Fig. 1 applies for the maintaining method embodiment that train display provided by the invention does not start;
Fig. 2 judges the whether normal schematic flow sheet of operating system in the maintaining method embodiment that do not start of train display provided by the invention;
Fig. 3 is the schematic flow sheet of system of resetting in the maintaining method embodiment that do not start of train display provided by the invention.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly understand, below in conjunction with specific embodiment, and with reference to accompanying drawing, the present invention is described in more detail.
The explanation of nouns of relevant technical terms:
| Sequence number | Term/abbreviation | Describe |
| 1 | EWF | The write of Enhanced Write Filter enhancement mode is filtered |
| 2 | BIOS | Basic Input Output System Basic Input or Output System (BIOS) |
| 3 | I2C | Inter-Integrated Circuit inter-integrated circuit bus |
| 4 | Flash | Flash Memory flash memory |
It should be noted that, in the embodiment of the present invention, the statement of all uses " first " and " second " is all the parameters in order to the entity or non-equal distinguishing two same names non-equal, visible " first " " second " convenience only in order to state, should not be construed as the restriction to the embodiment of the present invention, subsequent embodiment illustrates no longer one by one to this.
With reference to accompanying drawing 1 and accompanying drawing 2, be respectively the principle framework schematic diagram of the device that maintaining method embodiment that train display provided by the invention do not start is applied, and judge the whether normal schematic flow sheet of operating system in the maintaining method embodiment that do not start of train display provided by the invention.
The maintaining method that described train display does not start, be applied to the attending device that a kind of train display does not start, wherein: reset key connects train display cpu power chip by an I/O interface, and train display cpu power chip connects the first pilot lamp by the 2nd I/O interface; The keyboard of train display is connected with train display CPU by I2C bus, train display CPU connects flash memory and operating system module respectively by data bus, train display CPU connects the second pilot lamp by the 3rd I/O interface, flash memory connects the 3rd pilot lamp by the 4th I/O interface, and operating system module connects the 4th pilot lamp by the 5th I/O interface; Described operating system module is built in train display CPU, after train display powers on, the operating system of running train display in operating system module, increases in advance to arrange in the system file in operating system module and alternately lights and extinguish the program of the 4th pilot lamp and arrange the alternate intervals time;
Described maintaining method comprises:
After reset key is triggered (testing staff presses reset key), train display cpu power chip is powered to the first pilot lamp through the 2nd I/O interface; If the first pilot lamp is lighted, then conclude that train display cpu power chip exports normal, otherwise, conclude train display cpu power chip output abnormality; Reset key, between power supply chip and the first pilot lamp three all by I/O mouth be connected;
When train display CPU receives the first detection instruction, through the 3rd I/O interface driver second pilot lamp; If the second pilot lamp is lighted, then conclude that train display CPU is working properly, otherwise, infer that train display CPU occurs abnormal; Second pilot lamp is connected by I/O mouth with train display CPU;
When train display CPU receives the second detection instruction, train display CPU detects instruction by second and sends to flash memory, drives outputing signal to the 3rd pilot lamp through the 4th I/O interface of flash memory (Flash); If the 3rd pilot lamp is lighted, then conclude that flash memory is working properly, otherwise, infer that flash memory occurs abnormal; Train display CPU board card and flash memory (Flash) are by data bus communication, and flash memory (Flash) is connected by I/O mouth with the 3rd pilot lamp;
When train display CPU receives the 3rd detection instruction, train display CPU sends the order of alternately lighting and extinguishing the 4th pilot lamp to operating system module, and operating system module runs the program alternately lighting and extinguish the 4th pilot lamp; If the 4th pilot lamp is time-interleavedly lighted according to what preset and extinguishes, then conclude train display system normal operation, otherwise, infer that the system file of train display is damaged.
Wherein, described first to detect instruction be the instruction that " F1 " key and " → " key send when being concurrently triggered (being pressed);
Described second to detect instruction be the instruction that " F1 " key and " ↓ " key send when being concurrently triggered (being pressed);
Described 3rd to detect instruction be the instruction that " F1 " key and " F2 " key send when being concurrently triggered (being pressed);
Described " F1 " key, " → " key, " ↓ " key, " F2 " key are all communicated by I2C bus with between train display CPU.
When damaged or loss appear in system file, a key restoring operation (refitting system) can be carried out very easily.With reference to accompanying drawing 3, it is the schematic flow sheet of system of resetting in the maintaining method embodiment that train display provided by the invention does not start.
The maintaining method that described train display does not start also comprises the step of refitting system, specifically comprises:
The operating system revising train display in advance makes BIOS must can identify I2C bus, thus key range information;
Increase a subregion dish, Ghost system file is put into this subregion dish, in this subregion dish, increase EWF defencive function simultaneously, and be set to hidden partition;
After train display powers on, enter BIOS system, when now train display CPU receives the 4th detection instruction, the subregion dish hidden is pointed in sense command by BIOS system, thus ejects the dialog box of system of whether resetting;
Train display CPU receives refitting system directive and then to reset system, receives to cancel refitting system directive and then cancel refitting system.
Wherein, the described 4th to detect instruction be the instruction that " F1 " key and " F3 " key send when being concurrently triggered (being pressed);
Described refitting system directive be " E " key be triggered (being pressed) time the instruction that sends;
Described cancel refitting system directive be " F5 " key be triggered (being pressed) time the instruction that sends.
Embodiment can be found out from above, the maintaining method that described train display provided by the invention does not start, the pilot lamp that whether some existing for train display signal lamps can be broken down as decision circuitry or system, with the use of the button above display, thus quick position display fault point, simultaneously can also key reduction (refitting) train display operation system very easily.
The maintaining method that described train display does not start achieves the method for fast finding train display not startup separator, can when any testing tool and dismounting of display need not be used, the functional area that quick position breaks down, greatly reduces workload and the time of looking up the fault; Meanwhile, the maintaining method that described train display does not start achieves the method for train display one key restoring operation system, and by any instrument and mobile device, also need not need loaded down with trivial details setting steps, drastically increase work efficiency.
Those of ordinary skill in the field are to be understood that: the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. the maintaining method that do not start of train display, is characterized in that, reset key connects train display cpu power chip by an I/O interface, and train display cpu power chip connects the first pilot lamp by the 2nd I/O interface; The keyboard of train display is connected with train display CPU by I2C bus, train display CPU connects flash memory and operating system module respectively by data bus, train display CPU connects the second pilot lamp by the 3rd I/O interface, flash memory connects the 3rd pilot lamp by the 4th I/O interface, and operating system module connects the 4th pilot lamp by the 5th I/O interface; Described operating system module is built in train display CPU, after train display powers on, the operating system of running train display in operating system module, increases in advance to arrange in the system file in operating system module and alternately lights and extinguish the program of the 4th pilot lamp and arrange the alternate intervals time;
Described maintaining method comprises:
After reset key is triggered, train display cpu power chip is powered to the first pilot lamp through the 2nd I/O interface; If the first pilot lamp is lighted, then conclude that train display cpu power chip exports normal, otherwise, conclude train display cpu power chip output abnormality;
When train display CPU receives the first detection instruction, through the 3rd I/O interface driver second pilot lamp; If the second pilot lamp is lighted, then conclude that train display CPU is working properly, otherwise, infer that train display CPU occurs abnormal;
When train display CPU receives the second detection instruction, train display CPU detects instruction by second and sends to flash memory, drives outputing signal to the 3rd pilot lamp through the 4th I/O interface of flash memory; If the 3rd pilot lamp is lighted, then conclude that flash memory is working properly, otherwise, infer that flash memory occurs abnormal;
When train display CPU receives the 3rd detection instruction, train display CPU sends the order of alternately lighting and extinguishing the 4th pilot lamp to operating system module, and operating system module runs the program alternately lighting and extinguish the 4th pilot lamp; If the 4th pilot lamp is time-interleavedly lighted according to what preset and extinguishes, then conclude train display system normal operation, otherwise, infer that the system file of train display is damaged.
2. maintaining method according to claim 1, is characterized in that,
Described first to detect instruction be the instruction that " F1 " key and " → " key send when being concurrently triggered;
Described second to detect instruction be the instruction that " F1 " key and " ↓ " key send when being concurrently triggered;
Described 3rd to detect instruction be the instruction that " F1 " key and " F2 " key send when being concurrently triggered.
3. maintaining method according to claim 1 and 2, is characterized in that, also comprises:
The operating system revising train display in advance makes BIOS must can identify I2C bus, thus key range information;
Increase a subregion dish, Ghost system file is put into this subregion dish, in this subregion dish, increase EWF defencive function simultaneously, and be set to hidden partition;
After train display powers on, enter BIOS system, when now train display CPU receives the 4th detection instruction, the subregion dish hidden is pointed in sense command by BIOS system, thus ejects the dialog box of system of whether resetting;
Train display CPU receives refitting system directive and then to reset system, receives to cancel refitting system directive and then cancel refitting system.
4. maintaining method according to claim 3, is characterized in that,
Described 4th to detect instruction be the instruction that " F1 " key and " F3 " key send when being concurrently triggered;
Described refitting system directive is the instruction that " E " key sends when being triggered;
It is described that to cancel refitting system directive be the instruction that " F5 " key sends when being triggered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510183691.8A CN104765666B (en) | 2015-04-17 | 2015-04-17 | The maintaining method that a kind of train display does not start |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510183691.8A CN104765666B (en) | 2015-04-17 | 2015-04-17 | The maintaining method that a kind of train display does not start |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104765666A true CN104765666A (en) | 2015-07-08 |
| CN104765666B CN104765666B (en) | 2018-04-24 |
Family
ID=53647511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510183691.8A Active CN104765666B (en) | 2015-04-17 | 2015-04-17 | The maintaining method that a kind of train display does not start |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104765666B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6901557B1 (en) * | 2000-02-25 | 2005-05-31 | Intel Corporation | State/activity indication using icons on an LCD |
| CN101859509A (en) * | 2009-11-16 | 2010-10-13 | 青岛四方车辆研究所有限公司 | Railway vehicle display |
-
2015
- 2015-04-17 CN CN201510183691.8A patent/CN104765666B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6901557B1 (en) * | 2000-02-25 | 2005-05-31 | Intel Corporation | State/activity indication using icons on an LCD |
| CN101859509A (en) * | 2009-11-16 | 2010-10-13 | 青岛四方车辆研究所有限公司 | Railway vehicle display |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104765666B (en) | 2018-04-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9594641B2 (en) | Techniques for updating memory of a chassis management module | |
| CN106598790A (en) | Server hardware failure detection method, apparatus of server, and server | |
| US8984335B2 (en) | Core diagnostics and repair | |
| KR20110083495A (en) | Highly integrated data bus automatic fire extinguishing system | |
| CN106776282A (en) | The abnormality eliminating method and device of a kind of bios program | |
| CN103698050B (en) | A kind of distribution type fiber-optic heat detection system based on distributed optical fiber temperature sensor | |
| CN103632705A (en) | Solid-state storage array capable of destructing data | |
| CN202052250U (en) | Fire extinguishing and explosion suppression system | |
| CN105096991A (en) | Design of indicator lamp for rapidly and visually checking state of hard disk | |
| JP2008003945A (en) | Monitoring control system, and computer management method and program therefor | |
| CN101799775A (en) | Monitoring method for monitoring circuit and business board | |
| US7490252B2 (en) | Abnormal power interruption internal circuitry protection method and system for computer platform | |
| CN104765666A (en) | Train display non-start maintaining method | |
| CN104392575B (en) | Fire alarm control unit | |
| CN104515945B (en) | Hidden fault detection circuit and the method using hidden fault detection circuit detection of concealed failure | |
| US20090282233A1 (en) | Testing and alert device and method for power leakages | |
| CN102694365A (en) | Triple modular redundancy emergency trip protection system of steam turbine | |
| US10032356B1 (en) | Display card protection circuit monitoring structure | |
| CN102419723A (en) | Device and method for monitoring mainboard booting | |
| CN103683185B (en) | A kind of earth leakage protecting method, device and electronic equipment | |
| US20230083816A1 (en) | Systems and methods for circuit failure protection | |
| CN104461841A (en) | Working state monitoring method and monitoring equipment | |
| CN109144815A (en) | A kind of computer glitch processing system of real-time detection | |
| JP2018120544A (en) | Notification system | |
| CN106201463A (en) | A kind of startup method of electronic equipment and electronic equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |