JP2016016768A - Data transmission unit, data receiving unit, and failure information display system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To display failure information on an object of monitoring by receiving visible light communication data sent from a light emitting diode.SOLUTION: A security system includes a data acquisition unit that acquires data, which indicates the state of an object of monitoring, from the object of monitoring, a failure data production unit that, if an object of monitoring that has failed is detected among objects of monitoring on the basis of data items acquired by the data acquisition unit, produces failure data on the object of monitoring that has failed, a transmission unit that converts the failure data into visible light communication data, and a light emitting diode that flickers according to the visible light communication data. An information terminal includes a receiving unit that converts visible light communication data into failure information on receipt of the visible light communication data based on flickering of the light emitting diode, an information analysis unit that analyzes the failure information converted by the receiving unit, and a display unit that displays the failure information analyzed by the information analysis unit.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a data transmission device, a data reception device, and a failure information display system that transmit and receive failure data indicating failure details to be monitored with visible light communication data.

  Trains are used by many people, and safe and accurate operation is required. When troubles occur in train operation, safe and quick recovery measures are required. To deal with recovery, the train crew members contact ground operation managers / engineers, etc., and countermeasures are taken. At this time, the operation manager on the ground determines a countermeasure from various information such as an operation manual, vehicle status and characteristics. However, there are many places where workability is not ensured in the installation place of the security device that monitors the state of the equipment etc. installed in each vehicle of the train. In the unsteady state at the time of the failure when the failure is notified from the security device installed in such a place, it is necessary to quickly grasp the monitoring contents of the security device and restore it to the steady state. At this time, regarding the restoration work, MTTR (Mean Time To Repair) is used when a reliability plan is quantitatively determined from the RAMS (Reliability Availability Maintainability Safety) standard and a maintenance plan for maintaining it is set. It is a well-defined work, and a recovery work within a specified time is required.

  In addition, as a signal security device for vehicles, a device that uses a light emitting diode as a light source of a signal light on the traffic light side and transmits various information of the traffic light modulated by the light emission of the signal light and the communication data generation unit to the vehicle side by an optical transmission method is proposed. (See Patent Document 1).

JP 2000-344103 A

  In general, a place where a security device or the like is installed in a vehicle is a place where workability is poor. In addition, in order to know the failure state of various devices installed in the vehicle, it is only possible to check the lighting state of several light emitting diodes arranged in the security device, and at most, the lighting state of four light emitting diodes. Only information (16-bit information) can be obtained. In order to obtain more detailed information, it is necessary for the crew of the train to connect the portable computer device and the security device with a signal line cable. In addition, the train crew must operate the portable computer device, contact the information obtained from the security device to the operation manager / engineer on the ground, etc., and ask for work. is necessary.

  An object of the present invention is to display failure information of a monitoring target by receiving visible light communication data from a light emitting diode arranged in a security device for monitoring the monitoring target.

  In order to solve the above-described problem, the present invention provides a security device comprising: a data acquisition unit that acquires data indicating a state of the monitoring target from the monitoring target; and a data acquisition unit that acquires the data acquired by the data acquisition unit. When a faulty monitoring target is detected, a fault data generation unit that generates fault data related to the faulty monitoring target based on the acquired data, and generation of the fault data generation unit A transmitter that converts failure data into visible light communication data; and one or more light-emitting diodes that blink according to the visible light communication data converted by the transmitter, and the information terminal is visible when the light-emitting diode blinks. When receiving optical communication data, a receiving unit that converts the received visible light communication data into failure information, and an information analysis that analyzes the failure information converted by the receiving unit When, and having a display unit for displaying fault information by the analysis of the information analysis unit.

  ADVANTAGE OF THE INVENTION According to this invention, the failure information of a monitoring object can be displayed by receiving the visible light communication data from the light emitting diode arrange | positioned at the security device for monitoring the monitoring object.

It is a block diagram of the failure information display system which shows one Example of this invention. It is a block diagram of the transmission data by a light emitting diode. It is a block diagram which shows the example of a display of the display part in an information terminal. It is a flowchart for demonstrating the process of a failure information display system.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

  FIG. 1 is an overall configuration diagram of a failure information display system showing an embodiment of the present invention. In FIG. 1, the failure information display system includes a security device 10 that monitors the status of one or more monitoring targets, and an information terminal 20 that manages the monitoring results of the security device 10. is set up. The security device 10 includes an interface board (I / F board) 11, a printed wiring board (PCB board) 12, a transmitter 14, and one or more light emitting diodes (LEDs) 15. On the interface board 11, a digital input / output device (DI / DO) or the like that transmits / receives data to / from a device to be monitored arranged in each vehicle of the train 1 is mounted. At this time, the digital input / output device is configured as a data acquisition unit that acquires data indicating the state of each monitoring target from one or more monitoring targets.

  On the printed wiring board 12, a central processing unit (CPU) 13 that performs overall control of the security device 10, a transmission unit 14, and a light emitting diode 15 are mounted. The CPU 13 transmits / receives data to / from a digital input / output device (not shown) of the interface board 11 and also confirms that there is a failed monitoring target among the monitoring targets from the data acquired from the digital input / output device. When detected, it is configured as a failure data generation unit that generates failure data related to the monitored object that has failed based on the acquired data.

  When receiving the failure data transferred from the CPU 13, the transmission unit 14 converts the failure data into visible light communication data, and turns on the light emitting diode 15 according to the converted visible light communication data. At this time, the light-emitting diode 15 blinks at high speed according to the visible light communication data (perceived as lighting by human eyes, but electrically blinks with a high-frequency digital signal). The fact that a failure has occurred can be notified by turning on the light emitting diode 15. Visible light communication data by blinking of the light emitting diode 15 is transmitted to the information terminal 20 as transmission data of the light emitting diode 15.

  The information terminal 20 is configured as a portable information terminal and is movably arranged in the train 1 by workers and crew members. The information terminal 20 includes a receiving unit 21 including a photodiode, a CPU 22, a storage unit 23, and a display unit 24. When receiving the visible light communication data transmitted from the light emitting diode 15, the receiving unit 21 converts the received visible light communication data into failure information, and transfers the converted failure information to the CPU 22. The CPU 22 is configured as an information analysis unit that analyzes the failure information transferred from the reception unit 21, stores the analysis result in the storage unit 23, and displays the failure information obtained by the analysis on the screen of the display unit 24.

  At this time, the storage unit 23 is data relating to the monitoring target, and a handling method database that summarizes handling methods according to the failure content of the monitoring target and a handling method database that summarizes the handling methods according to the failure content of the monitoring target The CPU 22 searches the failure content database in the storage unit 23 based on the analysis result of the failure information, displays the failure content obtained by this search on the screen of the display unit 24, and also provides failure information. Based on the analysis result, the coping method database in the storage unit 23 is searched, and the coping method obtained by this search is displayed on the screen of the display unit 24.

  FIG. 2 is a configuration diagram of transmission data. In FIG. 2A, when two light emitting diodes 15 are arranged, for example, transmission data 100 transmitted from one light emitting diode 15 includes a header portion 101 and a data portion 102, and a data portion. Reference numeral 102 denotes a # 1 vehicle data portion 103 and a # 2 vehicle data portion 104. In the header portion 101, information (LED1) for specifying the # 1 light emitting diode 15 is arranged. In the # 1 vehicle data section 103, failure data indicating the failure content of a device (monitoring target) installed in the # 1 vehicle is arranged. For example, among the devices installed in the # 1 vehicle, failure data related to auto train protection (ATP), auto train operation (ATO), and digital input / output device (DI / DO) is arranged. Similarly, in the # 2 vehicle data section 104, among the devices installed in the # 2 vehicle, failures related to autotrain protection (ATP), autotrain operation (ATO), and digital input / output device (DI / DO). Data is placed.

  In FIG. 2B, transmission data 200 transmitted from the other light-emitting diodes 15 out of the two light-emitting diodes 15 is composed of a header part 201 and a data part 202, and the data part 202 is a vehicle of # 1. It comprises a data part 203 and a vehicle data part 204 of # 2. In the header part 201, information (LED2) for specifying the # 2 light emitting diode 15 is arranged. In the # 1 vehicle data section 203, failure data indicating the failure content of a device (monitoring target) installed in the # 1 vehicle is arranged. For example, among the devices installed in the # 1 vehicle, failure data relating to a brake, a transmission system (a transmission system connecting the security device 10 and the digital input / output device), and a speed sensor are arranged. Similarly, in the # 2 vehicle data section 204, failure data regarding brakes, transmission systems (transmission systems connecting the security device 10 and the digital input / output device), and speed sensors among the devices installed in the # 2 vehicle. Is placed.

  FIG. 3 is a configuration diagram illustrating a display example of the display unit in the information terminal. In FIG. 3, the display screen of the display unit 24 in the information terminal 20 includes a plurality of display areas 24a, 24b, and 24c. The display area 24a is configured as a skeleton screen for displaying the location of the failure. In this display area 24a, an image of the security device 10 installed in the # 1 vehicle 1a is displayed, and the # 2 vehicle 2a. An image of the security device 10 installed in is displayed. In the image of the security device 10 of the # 1 vehicle 1a, among the devices arranged in the security device 10, as the failed devices, for example, an auto train protect (ATP) 30, an auto train operation (ATO) 31, An image of the digital input / output device (DI / DO) 32 is displayed. Also, in the image of the security device 10 of the # 2 vehicle 2a, among the devices arranged in the security device 10, as a malfunctioned device, an auto train protect (ATP) 30, an auto train operation (ATO) 31, a digital An image of the input / output unit (DI / DO) 32 is displayed. Furthermore, when the transmission system 33 connecting the security device 10 installed in the # 1 vehicle 1a and the security device 10 installed in the # 2 vehicle 2a fails, an image of the transmission system 33 is displayed.

  In the display area 24b, information on the failure status indicating the analysis result of the CPU 22 is displayed. For example, the failure content of the autotrain protect (ATP) 30 is displayed. In the display area 24c, information on a coping method indicating the analysis result of the CPU 22 is displayed. For example, in order to present different failure recovery methods for each failure situation to workers and security equipment operators, if the time and work flow for recovery are specified as in the RAMS standard, recovery is within the specified time. Information on the failure recovery method is displayed.

  FIG. 4 is a flowchart for explaining processing in the failure information display system. This process is started by the CPU 13 of the security device 10.

  The CPU 13 of the security device 10 receives data transmitted from the digital input / output device of the vehicle in which the security device 10 is installed, and has any failure occurred in any device (monitoring target) of the vehicle from the received data? It is determined whether or not (S1). If it is determined in step S1 that a failure has occurred in any of the devices, the CPU 13 creates failure data including failure details from the received data (S2), transmits the created failure data to the transmission unit 14, and emits light. The diode 15 is blinked (S3). By blinking the light emitting diode 15, it is possible to notify a crew member or an operator that a failure has occurred in any device of the vehicle.

  When a crew member or a worker discovers that a failure has occurred in any device of the vehicle due to the blinking of the light emitting diode 15, the crew member or the operator holds the information terminal 20 over the light emitting diode (LED) 15 ( Operation for receiving an optical signal from the light emitting diode 15 is performed (S21).

  When the operation of holding the information terminal 20 over the light emitting diode (LED) 15 is performed and the receiving unit 21 of the information terminal 20 receives an optical signal from the light emitting diode 15 (S11), the receiving unit 21 of the information terminal 20 emits light. Visible light communication data including failure data transmitted from the diode 15 is converted into failure information, and the converted failure information is transferred to the CPU 22.

  The CPU 22 searches the failure content database (DB) stored in the storage unit 23 based on the failure information transferred from the receiving unit 21 (S12), extracts the failure content from the search result, and extracts the extracted failure content. Is displayed in the display area 24b of the display unit 24 (S13). Further, based on the failure information transferred from the receiving unit 21, a countermeasure database (DB) stored in the storage unit 23 is searched, and the failure content is obtained. The corresponding coping method is extracted from the coping method database, the extracted coping method is displayed in the display area 24c of the display unit 24 (S14), and then the extracted failure content is recorded in the storage unit 23 (S15).

  When information on the coping method according to the content of the failure is displayed in the display area 24c of the display unit 24 of the information terminal 20, the crew and the operator deal with the failure according to the displayed coping method (S22).

  Thereafter, the CPU 13 of the security device 10 transfers a signal for turning off the light-emitting diode 15 to the transmission unit 14 and ends the processing in this routine.

  According to the present embodiment, the information terminal 20 receives the visible light communication data from the light emitting diode 15 arranged in the security device 10 for monitoring the monitoring target, so that the information terminal 20 can detect the failure information of the monitoring target. Can be displayed. Further, according to the present embodiment, since the failure content is displayed on the display unit 24, it is not necessary to connect the signal line cable for acquiring failure information from the security device 10 to the security device 10, and according to the failure content. The first operation work becomes easier.

  Furthermore, according to the present embodiment, since the coping method according to the failure content is displayed on the display unit 24, the failure recovery method according to the failure content can be presented to the operator and the worker, Even if this occurs, it is possible to take measures that do not depend on the experience value of the operator or worker. Further, since visible light communication data based on blinking of the light emitting diode 15 is transmitted from the light emitting diode 15 to the information terminal 20, even if the security device 10 is installed in a place with a lot of noise or poor workability, the information terminal 20 can accurately obtain visible light communication data including failure data from the light emitting diode 15.

  In addition, this invention is not limited to an above-described Example, Various modifications are included. For example, audio data having the same content as the failure content database and the countermeasure database is stored in the storage unit 23 of the information terminal 20, a speaker is arranged in the information terminal 20, and the audio data stored in the storage unit 23 is stored in the CPU 22. It is also possible to add a function as an audio data reproducing unit that reproduces sound from a speaker.

  The above-described embodiments have been described in detail for easy understanding of the present invention, and are not necessarily limited to those having all the configurations described. Further, a part of the configuration of one embodiment can be replaced with the configuration of another embodiment, and the configuration of another embodiment can be added to the configuration of one embodiment. Further, it is possible to add, delete, and replace other configurations for a part of the configuration of each embodiment.

  Further, each of the above-described configurations, functions, and the like may be realized by hardware by designing a part or all of them with, for example, an integrated circuit. Each of the above-described configurations, functions, and the like may be realized by software by interpreting and executing a program that realizes each function by the processor. Information such as programs, tables, and files for realizing each function is stored in a memory, a hard disk, a recording device such as an SSD (Solid State Drive), an IC (Integrated Circuit) card, an SD (Secure Digital) memory card, a DVD ( Digital Versatile Disc) can be recorded and placed.

  1 train, 1a, 2a vehicle, 10 security device, 11 interface board, 12 printed wiring board, 13 CPU, 14 transmitter, 15 light emitting diode, 20 information terminal, 21 receiver, 22 CPU, 23 storage, 24 display .

Claims (7)

A failure information display system comprising a security device that monitors the status of one or more monitoring targets, and an information terminal that manages a monitoring result of the security device,
The security device is
When it is detected from the monitoring target that a data acquisition unit that acquires data indicating the state of the monitoring target, and from the data acquired by the data acquisition unit, there is a monitoring target that has failed in the monitoring target A failure data generation unit that generates failure data related to the monitoring target that has failed based on the acquired data; a transmission unit that converts failure data generated by the failure data generation unit into visible light communication data; and One or more light-emitting diodes that blink according to visible light communication data converted by the transmission unit,
The information terminal
When receiving visible light communication data due to blinking of the light emitting diode, a receiving unit that converts the received visible light communication data into failure information;
An information analysis unit for analyzing the failure information converted by the reception unit;
A failure information display system, comprising: a display unit configured to display failure information obtained by analysis of the information analysis unit. In the failure information display system according to claim 1,
It is data relating to the monitoring target, and has a storage unit that stores a failure content database that summarizes the failure content of the monitoring target,
The information analysis unit
A failure information display system, wherein a failure content database in the storage unit is searched based on an analysis result of the failure information, and the failure content obtained by the search is displayed on the display unit. In the failure information display system according to claim 1,
The data relating to the monitoring target, and having a storage unit for storing a handling method database that summarizes handling methods according to the failure content of the monitoring target,
The information analysis unit
A failure information display system that searches a handling method database in the storage unit based on an analysis result of the failure information and displays a handling method obtained by the search on the display unit. In the failure information display system according to claim 1,
A storage unit that stores data relating to the monitoring target, a handling method database that summarizes the handling method according to the failure content of the monitoring target, and a handling method database that summarizes the handling method according to the failure content of the monitoring target Have
The information analysis unit
The failure content database of the storage unit is searched based on the analysis result of the failure information, and the failure content obtained by the search is displayed on the display unit, and the storage unit based on the analysis result of the failure information is displayed. A failure information display system characterized by searching a handling method database and displaying a handling method obtained by the search on the display unit.   A data acquisition unit that acquires data indicating the status of the monitoring target from one or more monitoring targets, and detects that a monitoring target that has failed is present in the monitoring target from the data acquired by the data acquisition unit A failure data generation unit that generates failure data related to the monitored object that has failed based on the acquired data, and a transmission unit that converts the failure data generated by the failure data generation unit into visible light communication data; A data transmission device comprising: one or more light-emitting diodes that blink according to visible light communication data converted by the transmission unit. Failure data due to blinking of light emitting diodes, and when receiving visible light communication data, the receiving unit that converts the received visible light communication data into failure information,
An information analysis unit for analyzing the failure information converted by the reception unit;
And a display unit that displays failure information obtained by the analysis of the information analysis unit. The data receiving device according to claim 6,
There is a storage unit that stores data relating to the monitoring target, a handling method database that summarizes the handling method according to the failure content of the monitoring target, and a handling method database that summarizes the handling method according to the failure content of the monitoring target. And
The information analysis unit
The failure content database of the storage unit is searched based on the analysis result of the failure information, and the failure content obtained by the search is displayed on the display unit, and the storage unit based on the analysis result of the failure information is displayed. A data receiving apparatus, wherein a coping method database is searched and a coping method obtained by the search is displayed on the display unit.

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