JP3183371B2 - Operation information display system - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an operation information display system, which transmits information such as the traveling position and traveling speed of a train or the like from a train or the like to a center or the like, calculates the arrival time of each station, and transmits the information to the station or the like. Regarding what to display.

[0002]

2. Description of the Related Art Scheduled arrival and departure times of trains and trains can be known from a commercially available timetable or a timetable posted at a station. It is possible to know whether or not it is the rank by the announcement of the station etc. performed based on the communication information etc. between the train / train and the operation management center etc.There is no automatic notification of the delay time of departure and arrival .

[0003]

SUMMARY OF THE INVENTION In view of the foregoing, the present invention provides a GPS (global positioning system) for a train or the like.
= Global Positioning System) is equipped with a device that receives satellite radio waves and determines the current position. During traveling, at any time, information on the traveling position is transmitted together with information on traveling speed based on the driving schedule via communication satellites and the like. Send to the center. In the center,
Based on information from a train or the like, the arrival time at each stop station or the time required until arrival is calculated and transmitted to each station. At the station, the time until each train arrives or the estimated arrival time is displayed based on a signal from the center.

[0004]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a GPS receiving unit for receiving radio waves from a GPS satellite, and corrects a position by comparing it with line map data based on a signal from the GPS receiving unit. Correction section, a driving information input section for inputting driving information, a first storage section for storing train numbers and the like, a train number read from the first storage section, a signal from the position correction section and input of driving information. A transmitting unit that transmits signals from the unit via a required communication network, and a first control unit that controls the GPS receiving unit, the position correcting unit, the driving information input unit, the first storage unit, and the transmitting unit. A vehicle-mounted device mounted on a train or the like, a first input unit for inputting a signal from the vehicle-mounted device, a determination unit for determining a signal from the first input unit, each point on an operation route, a point of each station, And memorize the distance between points and A second storage unit that stores a time calculation expression or the like, a calculation unit that calculates the arrival time at the station using a calculation expression read from the second storage unit based on a signal from the determination unit, An output unit that sends out the signal of the first communication unit via a required communication line, the first input unit, the determination unit, the second storage unit,
A center device including a calculation unit and a second control unit for controlling the output unit; a second input unit for inputting a signal from the center device; and a required display signal based on a signal from the second input unit. And a station device including a display unit that performs display based on a signal from the display signal generation unit, and a third control unit that controls the second input unit, the display signal generation unit, and the display unit. An operation information display system is provided.

[0005]

With the above configuration, the operation information display system according to the present invention employs a GP loaded on a train or the like.
The S receiving device receives the GPS radio wave, corrects the traveling position based on the track map, and transmits it to a required center via a communication satellite or the like together with information such as the traveling speed based on the driving schedule. The center calculates the arrival time or the time until arrival at each stop station based on information from a train or the like, and transmits the calculated time to each station. At the station, the time until each train arrives or the estimated arrival time is displayed based on a signal from the center.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of an operation information display system according to the present invention will be described below in detail. FIG. 1 is a block diagram of a main part of an embodiment of an operation information display system according to the present invention. (A) is an in-vehicle device, (B) is a center device, and (C) is a station device. The in-vehicle device (a) 1 is a GPS receiving unit which receives radio waves from a plurality of GPS satellites installed for measuring the global position, calculates the distance to each GPS satellite from each reception time, and calculates each GPS. The receiving point is determined from the satellite orbit data. Reference numeral 2 denotes a position correction unit that corrects a position by comparing a signal from the GPS reception unit 1 with a line map such as a ROM card (read-only memory card) inserted into the device. 3 is a driving information input unit, for example, a driving speed based on a driving diagram,
Alternatively, a traveling speed per unit time or the like is input. A storage unit 4 stores a train number and the like preset for each train, an information transmission program, and the like. Reference numeral 5 denotes a modulation / transmission unit, which is a train number read from the storage unit 4 based on a program from the storage unit 4, a position of the train corrected by the position correction unit 2, and operation information from the operation information input unit 3. Is modulated into a required high-frequency signal and transmitted to the communication satellite 8 via the antenna 6. A control unit 7 controls each unit of the vehicle-mounted device (a).

A center device (b) 11 is an antenna for receiving radio waves from a communication satellite, and 12 is a reception / demodulation unit. The antenna 11 receives radio waves from the communication satellite 8 and receives the radio waves from the reception / demodulation unit 12. Demodulates train number, running position, running speed, etc. Reference numeral 13 denotes a storage unit that stores train numbers and train names corresponding to the train numbers, points on the train driving route, points of each station, distances between points, and the like, and also stores operation time calculation formulas and the like. Numeral 14 denotes a discriminating unit which compares the signal from the receiving / demodulating unit 12 with the data read from the storage unit 13, discriminates the train name from the train number, and discriminates the traveling position and the like. Numeral 15 is an arithmetic unit which performs an arithmetic operation from the storage unit 13 based on the signal from the discriminating unit 14 to calculate the arrival time or the time until arrival of each train at each stop station. Reference numeral 16 denotes an output unit which organizes data from the operation unit 15 for each station and transmits the data together with the train name and the like from the discrimination unit 14 to each station via a required communication line. A control unit 17 controls each unit of the center device (b).

An input section 21 of the station device (c) receives a signal from the center device (b). Reference numeral 22 denotes a display signal generation unit which generates a required display signal based on a signal from the input unit 21, records the display signal in a display memory 23, and displays the display signal on a display unit 24.

Next, the operation of the operation information display system according to the present invention will be described. GPS mounted on running trains, etc.
The receiving unit 1 receives radio waves of a plurality of GPS satellites orbiting the earth, calculates the distance to each GPS satellite from the reception time of the radio wave of each GPS satellite, and receives the receiving point from the orbit data of each GPS satellite. To determine. Then, this data is input to the position correction unit 2 via the control unit 7, and is compared with, for example, the line map of the inserted ROM card to correct the position shift. At the same time, the operating speed based on the preset driving schedule or the running speed per unit time, which is input via the driving information input unit 3, is read from the data from the position correcting unit 2 and from the storage unit 4. The signal is input to the modulation / transmission unit 5 together with the train number and the like, modulated into a required high-frequency signal, and transmitted to the communication satellite 8 via the antenna 6.

[0010] The signal received by the communication satellite 8 is emitted toward a center device (b). This radio wave is received by the antenna 11 of the center device (b), and is received and demodulated by the reception / demodulation unit 12. In the discriminating unit 14 via the control unit 17, the receiving / demodulating unit 12
Is compared with the data read from the storage unit 13, the train name is determined from the train number, and the traveling position and traveling speed are determined. Based on these data, the calculation unit 15 calculates the required time from the current position of the train to each stop station using a preset calculation formula read from the storage unit 15. The output unit 16 organizes data for each train and each station via the control unit 17 and sends the data to each station device (c).

The data transmitted to each station is, for example, as shown in FIG.
"To this station", "Hikari XX""To this station"
The time required to reach "△△ minutes", the estimated time of arrival at the next "△△" station, the estimated time of arrival at the next "XX" station, and the following "Hikari □□" The same data is transmitted. The signal input from the input unit 21 to the station device (c) is input to the display signal generation unit 22 via the control unit 25 to generate a required display signal, which is once written in the display memory 23, and then read out. The information is displayed as shown in FIG. 2 on a display unit 24 installed on the concourse or platform of the station.

[0012] For example, when a failure occurs in a train, a failure state is input by a preset code (code) from the operation information input unit 3 of the on-vehicle apparatus (a), and the failure state is reported to the center apparatus ( The determination may be made in b), and the information may be transmitted to each station and displayed on the display unit 24. In the above description, the on-vehicle device is installed on a train. However, for example, the on-vehicle device may be installed on a route bus or the like.
Is transmitted to the center device (b) via a communication satellite. For example, a communication line such as a leaky cable for transmission / reception is laid along the track, and the information is transmitted via this communication line. You may do so.

[0013]

As described above, according to the operation information display system according to the present invention, the position of the train or the like is determined by receiving the GPS radio wave by the device mounted on the train or the like, and the data of the traveling speed and the like is determined. It is transmitted to the center device, the center device calculates the required time to each station and sends it out to each station and displays it.The latest operation information that changes every moment can be displayed, so, for example, when the train schedule is disrupted, etc. Especially effective.

[Brief description of the drawings]

FIG. 1 is a main block diagram of an embodiment of an operation information legal system according to the present invention.

FIG. 2 is an example of a display of an operation information display system according to the present invention.

[Explanation of symbols]

 Station device 1 GPS receiver 2 Position correction unit 3 Operation information input unit 4 Storage unit 5 Modulation / transmission unit 7 Control unit 8 Communication satellite 12 Receiving / demodulation unit 13 Storage unit 14 Discrimination unit 15 Operation unit 16 Output unit 17 Control unit 21 Input unit 22 Display signal generation unit 24 Display unit 25 Control unit

Claims (3)

(57) [Claims] 1. A GPS receiving unit for receiving radio waves from a global positioning system satellite, a position correcting unit for correcting a position by comparing it with track map data based on a signal from the GPS receiving unit, and inputting driving information. An operation information input unit, a first storage unit for storing a train number, and a train number read from the first storage unit, a signal from the position correction unit, and a signal from the operation information input unit via a required communication network. A transmitting unit for transmitting,
The GPS receiving unit, the position correcting unit, the driving information input unit, the first
An in-vehicle device mounted on a train comprising a storage unit and a first control unit for controlling a transmission unit, a first input unit for inputting a signal from the in-vehicle device, and a signal from the first input unit A second storage unit that stores each point on the operation route, each station point, and the distance between the points, and also stores an operation time operation formula, based on a signal from the determination unit. Second
An arithmetic unit for calculating the arrival time at the station using the arithmetic expression read from the storage unit, an output unit for transmitting a signal from the arithmetic unit via a required communication line, the first input unit, a determination unit, A center device including a second storage unit, a calculation unit, and a second control unit that controls an output unit; a second input unit for inputting a signal from the center device; and a required signal based on a signal from the second input unit. A display signal generation unit for generating a display signal of the above, a display unit for displaying based on a signal from the display signal generation unit, and a third control unit for controlling the second input unit, the display signal generation unit and the display unit. An operation information display system composed of a station device. 2. The transmitting unit of the in-vehicle device is constituted by a modulating / transmitting unit that modulates a signal from the position correcting unit and a signal from a driving information input unit into a required high-frequency signal and transmits the signal via a communication satellite. The operation information display system according to claim 1, wherein the first input unit of the center device is configured by a receiving / demodulating unit that receives and demodulates a signal transmitted from the on-vehicle device and transmitted by the communication satellite. . 3. A driving speed based on a preset driving schedule is input from a driving information input unit of the on-vehicle device, and a calculation unit of the center device arrives at a station based on data from the driving information input unit. The operation information display system according to claim 1, wherein the operation time is calculated.