WO2010004773A1 - 列車内表示器管理システムおよび列車内表示器管理方法 - Google Patents
列車内表示器管理システムおよび列車内表示器管理方法 Download PDFInfo
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- WO2010004773A1 WO2010004773A1 PCT/JP2009/050879 JP2009050879W WO2010004773A1 WO 2010004773 A1 WO2010004773 A1 WO 2010004773A1 JP 2009050879 W JP2009050879 W JP 2009050879W WO 2010004773 A1 WO2010004773 A1 WO 2010004773A1
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- 238000007726 management method Methods 0.000 title claims description 84
- 230000005540 biological transmission Effects 0.000 claims abstract description 24
- 238000012544 monitoring process Methods 0.000 claims description 60
- 230000010354 integration Effects 0.000 claims description 16
- 230000015572 biosynthetic process Effects 0.000 claims description 11
- 238000012549 training Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 16
- 239000004973 liquid crystal related substance Substances 0.000 description 39
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- 238000011084 recovery Methods 0.000 description 4
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- 230000008569 process Effects 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
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- 230000009467 reduction Effects 0.000 description 2
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- 238000012806 monitoring device Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or train for signalling purposes
- B61L15/0072—On-board train data handling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or train for signalling purposes
- B61L15/0018—Communication with or on the vehicle or train
- B61L15/0036—Conductor-based, e.g. using CAN-Bus, train-line or optical fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or train for signalling purposes
- B61L15/009—On-board display devices
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
- G06F3/1446—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display display composed of modules, e.g. video walls
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/04—Maintaining the quality of display appearance
- G09G2320/043—Preventing or counteracting the effects of ageing
- G09G2320/048—Preventing or counteracting the effects of ageing using evaluation of the usage time
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0626—Adjustment of display parameters for control of overall brightness
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2360/00—Aspects of the architecture of display systems
- G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
- G09G2360/144—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light being ambient light
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2360/00—Aspects of the architecture of display systems
- G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
- G09G2360/145—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light originating from the display screen
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
Definitions
- the present invention relates to an in-train display management system and an in-train display management method, and in particular, an in-train display management system for collectively managing maintenance of a plurality of displays disposed in a train. And an in-training indicator management method.
- a display using a liquid crystal display as a display device of an in-vehicle information system is arranged in the vehicle to notify passengers of information such as operation information and the like and advertisements.
- a display using a liquid crystal display as a display device of an in-vehicle information system is arranged in the vehicle to notify passengers of information such as operation information and the like and advertisements.
- Patent Document 1 a display using a liquid crystal display as a display device of an in-vehicle information system is arranged in the vehicle to notify passengers of information such as operation information and the like and advertisements.
- the liquid crystal display of the display has a lifetime, and the luminance decreases depending on the age of use.
- the screen display becomes dark, and the display quality is lowered, and the visibility of the image is deteriorated.
- the decrease in luminance of the liquid crystal display is not uniform but varies depending on the individual, maintenance needs to be performed for each display.
- a worker patrols the inside of a train, checks the brightness (brightness) of the display of each display, and indicates whether or not maintenance such as replacement is necessary. It was judged against.
- the present invention has been made in view of the above, and an in-train display management system and an in-train display management method capable of easily managing maintenance of a plurality of displays disposed in a vehicle
- the aim is to get
- the in-train indicator management system is mounted on a train consisting of a plurality of vehicles, and a plurality of indicators disposed in each vehicle of the train
- the in-train display management device that is connected to the network by a transmission line and displays on a single screen for each predetermined unit whether or not the drive status of a plurality of displays is normal, and collectively manages the drive statuses of a plurality of displays It is characterized by having.
- the state management of the plurality of displays can be easily grasped collectively by displaying the states of the plurality of displays disposed in the train car at once on one screen, It is possible to manage and maintain the maintenance of a plurality of displays disposed in the vehicle easily.
- FIG. 1 is a diagram for explaining the configuration of a display control system in a train according to a first embodiment of the present invention.
- FIG. 2 is a diagram for explaining the in-train display management system according to the first embodiment of the present invention.
- FIG. 3 is a diagram for explaining an example of the arrangement position of the luminance sensor in the in-train display management system according to the first embodiment of the present invention.
- FIG. 4 is a block diagram showing an internal structure of the in-train display management device in the in-train display management system according to the first embodiment of the present invention.
- FIG. 5 is a diagram showing an example of a screen of the state display panel unit in the in-train display management system according to the first embodiment of the present invention.
- FIG. 6 is a flow chart for explaining the operation of the in-train display management system according to the first embodiment of the present invention.
- FIG. 7 is a flow chart for explaining the operation of the in-train display management system according to the first embodiment of the present invention.
- FIG. 8 is a diagram showing an example of a management screen of a display management apparatus in which displays are collectively managed by the central distribution center according to the first embodiment of the present invention.
- FIG. 9 is a view for explaining an example of the arrangement position of the temperature sensor in the in-train display management system according to the second embodiment of the present invention.
- FIG. 10 is a flow chart for explaining the operation of the in-train display management system according to the second embodiment of the present invention.
- FIG. 11 is a diagram for explaining another configuration of the in-train display management system according to the first and second embodiments of the present invention.
- FIG. 1 is a diagram showing a schematic configuration of an in-train display management system according to a first embodiment of the present invention.
- the first car T1 has a liquid crystal display (LCD: Liquid Crystal) as a display device of an in-vehicle information system in order to notify passengers of information such as operation information and advertisements.
- Display 11a, 12a, 21a, 22a, 31a, 32a using Display is mounted.
- the second car T2 is provided with indicators 11b, 12b, 21b, 22b, 31b using a liquid crystal display as a display device of the in-vehicle information system in order to notify passengers of guidance and advertisements such as operation information and the like.
- 32b is mounted.
- the displays 11c, 12c, 21c, 22c, 31c using the liquid crystal display as the display device of the in-vehicle information system , 32c (hereinafter, the display may be collectively referred to as the display 11).
- two of these displays 11 are installed in the ceiling of each door on one side in the vehicle.
- six displays 11 in each vehicle are used, but the number of display devices installed in each vehicle is not limited to six.
- the in-training indicator management system monitors the drive states of the plurality of indicators 11 disposed in the first to third cars T1 to T3 and monitors one drive screen for each predetermined unit. It displays and collectively manages the driving states of a plurality of displays disposed in the first to third cars T1 to T3. Here, the driving state of the display is collectively managed for each train formation.
- Such an in-train display management system includes a monitoring unit 10s disposed in each of the displays 11 and an in-train display management device 10a mounted on the first car T1 which is the leading vehicle. , Is configured.
- the in-train indicator management device 10a and the indicator 11 are connected by the transmission line 2, and the indicators 11a, 21a, 31a, the indicators 11b, 21b, 31b, the indicators 11c, 21c, 31c are transmission paths. Connected via 3
- the displays 11a and 12a, the displays 21a and 22a, and the displays 31a and 32a are connected to each other via the transmission path 4.
- transmission line 2 transmission line 3 and transmission line 4 any of digital transmission line and analog transmission line can be used.
- the monitoring unit 10 s detects the driving state of each display 11 and generates monitoring information for each display 11.
- the monitoring unit 10 s has, for example, a luminance sensor (photometer) that monitors luminance when displaying an image on the display 11 and generates luminance information as monitoring information.
- FIG. 3 is a diagram for explaining an example of the arrangement position of the luminance sensor.
- the screen of the display 11 is viewed in the direction of the arrow A.
- the brightness sensor 10 sp is provided with a light hole 11 h on the rear side of the central part of the display 11, and is arranged to sense the light of the backlight of the liquid crystal display leaking from the light hole 11 h to the outside. .
- the monitoring unit 10s has, for example, an integration time counter that counts and integrates integration times of image display on the display 11 and generates integration display time information as monitoring information.
- the integration time counter counts the driving time of the backlight of the liquid crystal display in the display unit 11.
- a count of backlight drive time can be obtained by counting the time during which power is supplied to the backlight.
- FIG. 4 is a block diagram showing the internal structure of the in-train display management device 10a mounted on the first car T1.
- the in-train display management device 10 a includes a communication I / F 16, a CPU 17, a storage unit 18, and a status display panel unit 19.
- the communication I / F 16 has a plurality of transmission interface functions.
- the connection by the transmission line 2 between the in-train display management device 10 a and the display 11 is performed via the communication I / F 16.
- the CPU 17 is an arithmetic unit that controls the in-train display management system.
- the CPU 17 reads and executes the program stored in the storage unit 18 to load the analysis unit 41 and the display control unit 42 onto the storage unit 18, and the analysis unit 41 and the display control unit 42 store the storage unit. It is designed to be generated as a software configuration on V.18.
- the program executed by the CPU 17 is a file in an installable format or an executable format, and a record readable by the in-train display management device 10a such as a CD-ROM, a floppy (registered trademark) disk (FD), and a DVD. It may be recorded on a medium and provided.
- a record readable by the in-train display management device 10a such as a CD-ROM, a floppy (registered trademark) disk (FD), and a DVD. It may be recorded on a medium and provided.
- the analysis unit 41 acquires monitoring information of all the displays 11 and analyzes it to generate analysis information of the driving states of all the displays 11. For example, the analysis unit 41 acquires luminance information of all the displays 11 as monitoring information, analyzes the information, and generates analysis information of the display luminance state of all the displays 11. Also, for example, the analysis unit 41 acquires integrated display time information of all the displays 11 as monitoring information, analyzes it, and generates analysis information of the state of the integrated time of all the displays 11.
- the display control unit 42 controls display on the state display panel unit 19 based on the analysis information.
- the storage unit 18 stores various data including monitoring information and various programs for controlling the in-train display management system under the control of the CPU 17.
- the state display panel unit 19 collectively displays the driving states of the plurality of displays 11 based on the analysis information.
- the state display panel unit 19 can collectively display the drive states of the plurality of displays 11 in units of vehicles as a predetermined unit.
- the state display panel unit 19 can collectively display the drive states of the plurality of displays 11 in a formation unit as a predetermined unit.
- FIG. 5 is a view showing an example of the screen of the state display panel unit 19 when the luminance state of the liquid crystal display (LCD) of the display unit 11 is collectively displayed on the state display panel unit 19 as the driving state of the display 11. .
- the corresponding state display unit 50 is turned off when the drive state of the display 11 is normal, and the corresponding state display unit 50 is lit when the drive state of the display 11 is abnormal.
- a display mode is shown in which the corresponding state display unit 50 blinks (alarm display) when the drive state of the display 11 is in a predetermined warning state.
- the drive state of the display 11 was collectively displayed on the state display panel part 19 by making the brightness state of the liquid crystal display (LCD) of the display 11 into a check element
- LCD liquid crystal display
- integration of the image display in the display 11 was shown.
- the driving state of the display 11 can be collectively displayed on the status display panel unit 19 with time as a check element, and other items may be used as a check element.
- the driving state of the display 11 in which the plurality of check elements are integrated may be collectively displayed on the state display panel unit 19.
- FIG. 6 is a flow chart for explaining the operation of the in-train display management system.
- the luminance sensor 10 sp of each monitoring unit 10 s periodically measures the luminance of the liquid crystal display (LCD) at the time of image display on each display 11 at predetermined intervals, and generates luminance information as monitoring information (step S110).
- LCD liquid crystal display
- the analysis unit 41 acquires monitoring information of all the displays 11, analyzes it, and generates analysis information of the driving states of all the displays 11. That is, the analysis unit 41 acquires the luminance information of all the displays 11 as monitoring information. Then, based on the acquired luminance information, it is determined whether the luminance of the liquid crystal display (LCD) of the display 11 is lower than a predetermined value for maintaining the image display quality, and the analysis result is analyzed It generates as information (step S120).
- LCD liquid crystal display
- step S120 When analysis information (brightness normal information) indicating that the luminance of the liquid crystal display (LCD) of the display 11 is not lower than a predetermined value for maintaining the image display quality is generated as the analysis information (step S120, the analysis unit 41 transmits the analysis information (brightness normal information) to the brightness sensor of the monitoring unit 10s. The luminance sensor continues measuring the luminance of the liquid crystal display (LCD) based on the analysis information (luminance normal information) (step S110). Further, the analysis unit 41 transmits analysis information (brightness normal information) to the display control unit 42. The display control unit 42 causes the state display panel unit 19 to display that the luminance of the display 11 is normal based on the analysis information (brightness normal information) (step S160).
- the analysis unit 41 transmits the analysis information (brightness reduction information) to the display 11 as current value adjustment instruction information of the backlight, and the display 11 transmits the analysis information of the backlight of the liquid crystal display (LCD).
- An adjustment is instructed (step S130).
- the display 11 adjusts the current value of the backlight of the liquid crystal display (LCD) based on the analysis information (brightness reduction information).
- the brightness sensor of the monitoring unit 10s of the corresponding display 11 remeasures the brightness of the liquid crystal display (LCD) at the time of image display on the display 11, and generates adjusted brightness information as monitoring information (step S140). ).
- the analysis unit 41 acquires the monitoring information of the corresponding display 11 and analyzes it to generate analysis information of the drive state of the display 11. That is, the analysis unit 41 acquires the adjusted luminance information of the corresponding display 11. Then, based on the acquired adjusted luminance information, it is determined whether the luminance of the liquid crystal display (LCD) of the display 11 has recovered to a predetermined value or more for maintaining the image display quality, and the result is analyzed It generates as information (step S150).
- the analysis unit 41 displays as analysis information.
- the analysis information (brightness recovery information) to the effect that the brightness of the liquid crystal display (LCD) of the unit 11 has recovered to the normal value is generated and transmitted to the display control unit 42.
- the display control unit 42 causes the state display panel unit 19 to display that the brightness of the display 11 is normal based on the analysis information (brightness recovery information).
- the analysis unit 41 transmits the analysis information (brightness recovery information) to the brightness sensor of the monitoring unit 10s.
- the luminance sensor continues monitoring of the luminance of the liquid crystal display (LCD) based on the analysis information (luminance recovery information) (step S110).
- the analysis unit 41 analyzes As information, analysis information (brightness abnormality information) indicating that the brightness is abnormal is generated and transmitted to the display control unit 42.
- the display control unit 42 causes the state display panel unit 19 to display that the luminance of the display 11 is abnormal based on the analysis information (brightness abnormality information) (alarm display) (step S160).
- the in-training indicator management system can control the driving states (brightness states of the liquid crystal display (LCD) in all the indicators 11 disposed in the first to third cars T1 to T3). Can be displayed on the status display panel unit 19 and managed collectively.
- driving states blackness states of the liquid crystal display (LCD) in all the indicators 11 disposed in the first to third cars T1 to T3
- the analysis unit 41 calculates the average value of the luminance of the entire display 11 that is collectively managed, from the analysis information. Then, the luminance at the time of image display on the display 11 is within the range of the average value of the luminance of the entire display 11 under batch management and the half value of the standard luminance at the time of image display set in advance (warning state).
- the status display panel 19 it is possible to display an alarm as a warning that "the life is approaching".
- the display 11 can be prepared for replacement in advance before the life of the display 11 comes.
- it is possible to grasp the quantity of the display 11 whose replacement time is approaching and can be used as information when planning a maintenance.
- the analysis unit 41 is in a state where the luminance at the time of image display of each of the displays 11 collectively managed is lower than the half value of the standard luminance at the time of image display set in advance (warning state).
- the status display panel unit 19 it is possible to make an alarm display on the status display panel unit 19 as a warning that "the life is approaching".
- the value of the train is determined based on the line information from the known train information control device installed in the train and the position information of the train. If the traveling route is traveling in the subway or a long tunnel and the display screen can be sufficiently recognized even if the luminance of the display 11 is somewhat low, by adopting a value lower than the half value of the luminance as the predetermined value. , It is possible to finely control the display unit 11 and extend the replacement time.
- FIG. 7 is a flow chart for explaining the operation of the in-train display management system.
- the integration time counter of each monitoring unit 10s periodically counts the integration time of image display on each display 11 at predetermined intervals, and generates integration display time information as monitoring information (step S210).
- the analysis unit 41 acquires monitoring information of all the displays 11, analyzes it, and generates analysis information of the driving states of all the displays 11. That is, the analysis unit 41 acquires integrated display time information of all the displays 11 as monitoring information. Then, based on the acquired integrated display time information, it is determined whether the image display time of the liquid crystal display (LCD) of the display 11 exceeds the predetermined number of hours set in advance, and the determination result is analyzed information (Step S220).
- LCD liquid crystal display
- analysis information indicating that the integrated display time of the display 11 does not exceed the predetermined number of hours set in advance is generated as the analysis information (No at step S220)
- the analysis unit 41 The analysis information (prescribed information) is transmitted to the integration time counter of the monitoring unit 10s.
- the integration time counter continues counting the integration time of the image display on the display 11 based on the analysis information (prescribed information) (step S210).
- the analysis unit 41 transmits the analysis information (prescribed information) to the display control unit 42.
- the display control unit 42 Based on the analysis information (prescribed information), the display control unit 42 causes the state display panel unit 19 to display that the integrated display time of the display unit 11 does not exceed the predetermined number of hours set in advance.
- the analysis unit 41 Transmits the analysis information (non-prescribed information) to the display control unit 42.
- the display control unit 42 causes the status display panel unit 19 to display that the integrated display time of the display unit 11 exceeds the predetermined number of hours set in advance, based on the analysis information (non-standard information) (alarm (alarm) Display) (step S230). Also in this case, the integration time counter continues counting the integration time of the image display on the display 11.
- the in-training indicator management system can calculate the driving state of all the indicators 11 disposed in the first to third cars T1 to T3 (the integration of the image display on the indicator 11) The time) can be displayed on the status display panel unit 19 and can be collectively managed.
- the predetermined number of hours can be, for example, several tens of hours less than the standard life time of the display 11.
- the predetermined number of hours can be, for example, several tens of hours less than the standard life time of the display 11.
- the driving state of the display 11 is monitored to estimate the life as monitoring information from the brightness of the screen of the display 11 or the integrated time of the screen display, the integrated time of the brightness and the display is judged comprehensively
- the replacement time may be set so that the passenger service does not deteriorate.
- the state of the surrounding environment of the display 11, such as train information (vehicle temperature, humidity, vibration, fluctuation of power supply, etc.) possessed by the vehicle information device More detailed management of the life of the display 11 can be performed by setting the monitoring information in consideration of the information). For example, the display integration time (lighting time) until the luminance of the display 11 reaches the half value is shorter as the ambient temperature of the display 11 is lower (the life is shorter). Management can be performed more precisely.
- FIG. 8 is a management screen of a display management apparatus that collectively manages the display 11 at the central distribution center.
- the driving state of the display 11 for each train formation can be seen at a glance, and if there is an abnormality in any one of the plurality of displays 11 of each formation, the display state section of the formation will be displayed. It is designed to display abnormalities.
- the drive states of all the displays 11 installed in the train car can be collectively managed in real time at the central distribution center, and the displays 11 in advance before the life of the displays 11 of all the formations comes.
- You can prepare for the exchange of Further, it is possible to grasp the quantity of the display units 11 whose replacement time is approaching for the display units 11 of all the formations, and it becomes easy to draw up a maintenance plan for the entire display unit 11. For example, if six displays 11 are used in one vehicle, and there are 150 trains consisting of 10 cars of cars 1 to 10, the quantity of all the displays 11 is 6 ⁇ It will be 10 ⁇ 150 9,000.
- the information of the management screen of the display management device managing the display 11 collectively is transmitted from the central distribution center to a portable terminal (such as a mobile phone or PDA) carried by a vehicle inspector at the vehicle base.
- a portable terminal such as a mobile phone or PDA
- the second embodiment is another example of the monitoring information described above, and the monitoring unit 10s uses the monitoring information as an image in each component device (for example, a liquid crystal display (LCD, power supply, substrate, inverter, etc.) in the display 11).
- a liquid crystal display LCD, power supply, substrate, inverter, etc.
- An example will be described in which the temperature at the time of display is used Note that since the basic configuration and operation of the in-train display management system are the same as in the case of the first embodiment, reference is made to the description of the first embodiment. Detailed description is omitted here.
- the monitoring unit 10 s detects the driving state of each display 11 and generates monitoring information for each display 11.
- the monitoring unit 10 s has, for example, a temperature sensor that monitors the temperature at the time of image display in each component in the display 11 and generates temperature information as monitoring information.
- the monitoring unit 10s has, for example, a temperature sensor 51p for the LCD 51 which is each component in the display 11, a temperature sensor 52p for the power supply 52, a temperature sensor 53p for the substrate 53, a temperature sensor 54p for the inverter 54, and the like.
- FIG. 9 is a view for explaining an example of the arrangement position of the temperature sensor, and shows the arrangement of each component and the temperature sensor when the inside of the display 11 is viewed from the back side.
- the temperature sensor is arranged to measure the temperature of the surface of each component in the display 11 as shown in FIG. 9, for example.
- FIG. 9 shows the temperature sensor 51p for the LCD 51, the temperature sensor 52p for the power source 52, the temperature sensor 53p for the substrate 53, and the temperature sensor 54p for the inverter 54, the temperature sensor has at least one configuration. It may be provided in the device.
- the temperature state of the LCD 51 of the display 11 is collectively displayed on the state display panel unit 19 as the driving state of the display 11 as in FIG.
- the corresponding condition display unit 50 is turned off, and when the drive condition of the indicator 11 is abnormal, the corresponding condition display unit 50 is lit (alarm display), the indicator
- the display state is made such that the corresponding state display unit 50 blinks (alarm display).
- FIG. 10 is a flow chart for explaining the operation of the in-train display management system.
- the temperature sensor 51p for the LCD 51 of each monitoring unit 10s periodically measures the temperature of the liquid crystal display (LCD) 51 at the time of image display on each display 11 at predetermined intervals, and uses temperature information as monitoring information. It generates (step S310).
- the analysis unit 41 acquires monitoring information of all the displays 11, analyzes it, and generates analysis information of the driving states of all the displays 11. That is, the analysis unit 41 acquires temperature information of all the displays 11 as monitoring information. Then, based on the acquired temperature information, it is determined whether the temperature of the liquid crystal display (LCD) 51 of the display 11 is higher than a predetermined value for maintaining the image display quality, and the determination result is The analysis information is generated (step S320).
- LCD liquid crystal display
- the analysis unit 41 transmits the analysis information (normal temperature information) to the temperature sensor 51p of the monitoring unit 10s.
- the temperature sensor 51p continues the measurement of the temperature of the liquid crystal display (LCD) 51 based on the analysis information (normal temperature information) (step S310).
- the analysis unit 41 transmits analysis information (normal temperature information) to the display control unit 42.
- the display control unit 42 causes the status display panel unit 19 to display that the temperature of the display 11 (liquid crystal display (LCD) 51) is normal based on the analysis information (temperature normality information).
- the analysis unit 41 transmits the analysis information (temperature rise information) to the display 11 as current value adjustment instruction information of the backlight, and the current of the backlight of the liquid crystal display (LCD) 51 to the display 11 The adjustment of the value is instructed (step S330).
- the display 11 adjusts the current value of the backlight of the liquid crystal display (LCD) 51 based on the analysis information (temperature rise information).
- the analysis unit 41 generates analysis information (temperature abnormality information) indicating that the temperature is abnormal as analysis information, and transmits the analysis information to the display control unit 42.
- the display control unit 42 causes the state display panel unit 19 to display that the temperature of the display unit 11 is abnormal based on the analysis information (temperature abnormality information) (alarm display) (step S340).
- the in-training indicator management system can control the driving states (the temperature of the liquid crystal display (LCD) 51 in all the indicators 11 disposed in the first to third cars T1 to T3). State can be displayed on the state display panel unit 19 and can be collectively managed. In this state, if the temperature sensor is provided in a component (for example, the inverter 53) in the display 11 other than the liquid crystal display (LCD) 51 and used as monitoring information, the abnormality of the display 11 can be known in more detail and in advance. This will lead to further improvement of service to passengers.
- the driving states the temperature of the liquid crystal display (LCD) 51 in all the indicators 11 disposed in the first to third cars T1 to T3
- State can be displayed on the state display panel unit 19 and can be collectively managed. In this state, if the temperature sensor is provided in a component (for example, the inverter 53) in the display 11 other than the liquid crystal display (LCD) 51 and used as monitoring information, the abnormality of the display 11 can be known in more detail and in advance.
- the in-train display management device 10a may not necessarily be mounted on the leading train.
- the in-train display management device 10a may be incorporated in a monitoring device (train information device) that monitors each device in the train, not a device that manages only the display in the train.
- the analysis unit 100a for the first car T1 the analysis unit 100b for the second car T2, and the analysis unit 100c for the third car T3 are arranged in respective vehicles as the analysis unit 41. Also good.
- the in-train display management device 10a and the analysis unit 100a are connected by the transmission line 101, and the analysis unit 100a, the analysis unit 100b, and the analysis unit 100c are connected via the transmission line 102.
- the transmission path 101 and the transmission path 102 any of a digital transmission path and an analog transmission path can be used.
- a plurality of displays displayed in the train vehicle can be collectively displayed on one screen.
- the state management of the indicator can be easily grasped and managed collectively, and maintenance of a plurality of indicators arranged in the vehicle can be easily managed.
- the in-train display management system is useful for state management and maintenance management of a display when a plurality of displays are disposed in a train vehicle.
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- Multimedia (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
Description
3 伝送路
4 伝送路
10a 列車内表示器管理装置
10s モニタリング部
10sp 輝度センサ
11 表示器
11a、11b、11c 表示器
11h 光穴
12a、12b、12c 表示器
18 記憶部
19 状態表示パネル部
21a、21b、21c 表示器
22a、22b、22c 表示器
31a、31b、31c 表示器
32a、32b、32c 表示器
41 解析部
42 表示制御部
50 状態表示部
100a 解析部
100b 解析部
100c 解析部
101 伝送路
102 伝送路
図1は、本発明の実施の形態1にかかる列車内表示器管理システムの概略構成を示す図である。図1において、列車の車両は1号車~n号車あるが、この図ではN=3の3両編成を例に示している。1号車T1には、乗客に対して運行情報等の案内や広告を通知するために、車両内情報システムの表示装置として液晶ディスプレイ(LCD:Liquid Crystal
Display)を使用した表示器11a、12a、21a、22a、31a、32aが搭載されている。
実施の形態2は、上述したモニタリング情報の他の例であり、モニタリング部10sが、モニタリング情報として、表示器11内の各構成機器(例えば液晶ディスプレイ(LCD、電源、基板、インバータ等)における画像表示時の温度を使用する例について説明する。なお、列車内表示器管理システムの基本的構成や動作は実施の形態1の場合と同様であるため、実施の形態1の説明を参照することとしてここでは詳細な説明は省略する。
Claims (17)
- 複数の車両からなる列車に搭載され、前記列車の各車両内に配置されている複数の表示器と伝送路で接続されており、前記複数の表示器の駆動状態が正常かどうかを所定の単位毎に1つの画面に表示して、前記複数の表示器の駆動状態を一括管理する列車内表示管理装置を備えたこと、
を特徴とする列車内表示器管理システム。 - 前記表示器の駆動状態を検出してモニタリング情報を生成するモニタリング部と、
前記複数の表示器の前記モニタリング情報を取得し、前記表示器の駆動状態を解析して該複数の表示器の駆動状態の解析情報を生成する解析部と、
前記モニタリング情報および前記解析情報を記憶する記憶部と、
前記解析情報に基づいて前記複数の表示器の駆動状態を一括表示する状態表示パネル部と、
前記状態表示パネル部における表示の制御を行う表示制御部と、
を備えることを特徴とする請求項1に記載の列車内表示器管理システム。 - 前記状態表示パネル部は、前記所定の単位として車両単位で前記複数の表示器の駆動状態を一括表示すること、
を特徴とする請求項2に記載の列車内表示器管理システム。 - 前記状態表示パネル部は、前記所定の単位として編成単位で前記複数の表示器の駆動状態を一括表示すること、
を特徴とする請求項2に記載の列車内表示器管理システム。 - 前記表示制御部は、前記解析情報に基づいて所定のアラームを前記状態表示パネル部に表示させること、
を特徴とする請求項2に記載の列車内表示器管理システム。 - 前記モニタリング情報が、前記表示器における画像表示時の輝度情報であり、
前記解析部は、前記輝度情報に基づいて前記表示器の駆動状態の解析を行うこと、
を特徴とする請求項2に記載の列車内表示器管理システム。 - 前記表示制御部は、前記表示器における画像表示時の輝度が、一括管理している前記表示器全体の輝度の平均値と、予め設定された画像表示時の標準輝度の半減値と、の範囲内にある場合に前記所定のアラームを前記状態表示パネル部に表示させること、
を特徴とする請求項6に記載の列車内表示器管理システム。 - 前記表示制御部は、一括管理している前記表示器の各々の画像表示時における輝度の値と予め設定された画像表示時の標準輝度の半減値とを比較し、前記表示器における画像表示時の輝度の値が前記標準輝度の半減値未満である表示器について、前記所定のアラームを前記状態表示パネル部に表示させること、
を特徴とする請求項6に記載の列車内表示器管理システム。 - 前記モニタリング情報が、前記表示器における画像表示の積算時間である積算表示時間情報であり、
前記解析部は、前記積算表示時間情報に基づいて前記表示器の駆動状態の解析を行うこと、
を特徴とする請求項2に記載の列車内表示器管理システム。 - 前記表示制御部は、前記積算時間が、予め設定された所定の時間数を超えた場合に前記所定のアラームを前記状態表示パネル部に表示させること、
を特徴とする請求項9に記載の列車内表示器管理システム。 - 前記モニタリング情報が、前記表示器における筐体内の温度情報であり、
前記解析部は、前記温度情報に基づいて前記表示器の駆動状態の解析を行うこと、
を特徴とする請求項2に記載の列車内表示器管理システム。 - 列車の車両内に配置されている複数の表示器の管理方法であって、
前記複数の表示器の駆動状態を検出してモニタリング情報を生成するモニタリング工程と、
前記複数の表示器の前記モニタリング情報を取得し、前記表示器の駆動状態を解析して該複数の表示器の駆動状態の解析情報を生成する解析工程と、
前記解析情報に基づいて前記複数の表示器の駆動状態を1つの表示パネルに一括表示する駆動状態表示工程と、
を含むことを特徴とする列車内表示器管理方法。 - 前記駆動状態表示工程において、車両単位で前記複数の表示器の駆動状態を一括表示すること、
を特徴とする請求項12に記載の列車内表示器管理方法。 - 前記駆動状態表示工程において、編成単位で前記複数の表示器の駆動状態を一括表示すること、
を特徴とする請求項12に記載の列車内表示器管理方法。 - 前記モニタリング情報が、前記表示器における画像表示時の輝度情報であり、
前記解析工程において、前記輝度情報に基づいて前記表示器の駆動状態の解析を行うこと、
を特徴とする請求項12に記載の列車内表示器管理方法。 - 前記モニタリング情報が、前記表示器における画像表示の積算表示時間情報であり、
前記解析工程において、前記積算表示時間情報に基づいて前記表示器の駆動状態の解析を行うこと、
を特徴とする請求項12に記載の列車内表示器管理方法。 - 前記モニタリング情報が、前記表示器における筐体内の温度情報であり、
前記解析工程において、前記温度情報に基づいて前記表示器の駆動状態の解析を行うこと、
を特徴とする請求項12に記載の列車内表示器管理方法。
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EP09794220A EP2302619A4 (en) | 2008-07-07 | 2009-01-21 | ON-BOARD DISPLAY MANAGEMENT SYSTEM AND ON-BOARD DISPLAY MANAGEMENT METHOD FOR RAILWAY TRAINS |
US12/995,873 US8305224B2 (en) | 2007-07-23 | 2009-01-21 | In-train display-device management system and in-train display-device management method |
CN200980126059.2A CN102077270A (zh) | 2008-07-07 | 2009-01-21 | 列车内显示器管理系统及列车内显示器管理方法 |
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JP2008177197A JP4684317B2 (ja) | 2007-07-23 | 2008-07-07 | 列車内表示器管理システムおよび列車内表示器管理方法 |
JP2008-177197 | 2008-07-07 |
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EP2803553B1 (en) * | 2012-01-11 | 2017-04-05 | Mitsubishi Electric Corporation | Train guidance display system and train guidance display method |
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- 2009-01-21 CN CN200980126059.2A patent/CN102077270A/zh active Pending
- 2009-01-21 WO PCT/JP2009/050879 patent/WO2010004773A1/ja active Application Filing
- 2009-01-21 EP EP09794220A patent/EP2302619A4/en not_active Ceased
- 2009-01-22 TW TW098102438A patent/TWI372121B/zh not_active IP Right Cessation
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TW201002563A (en) | 2010-01-16 |
TWI372121B (en) | 2012-09-11 |
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