JPH0636186A - Information exchange system between vehicles on road - Google Patents

Abstract

PURPOSE:To provide an information exchange system between vehicles which is capable of easily performing a route information exchange between vehicles regardless of the number of vehicles and the space between vehicles. CONSTITUTION:The same vehicle ID is alloted to plural sets of vehicle, a beacon 1-3 is provided with a radio transmitter and receiver 1-6, and a memory 1-5 storing the voice data or image data transmitted from a running vehicle and the vehicle ID temporarily is provided. A method transmitting the message of voice or image data and storing it in a memory 1-5 when a head vehicle passes under the beacon 1-3 and transmitting the voice data or image data stored in the memory 1-5 from the beacon 1-3 to the vehicle with which the vehicle ID coincides when other vehicle passes under the beacon 1-3 is applied. Thus, information can be surely passed from the head vehicle to other vehicles via the beacon 1-3 while plural sets of vehicles are running.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an on-vehicle route guidance device, and more particularly to an information exchange system between road vehicles that provides route guidance by communicating information between running road vehicles.

[0002]

2. Description of the Related Art A conventional vehicle-mounted route guidance device is shown in FIG.
The system shown in is built. This system consists of a service side that provides the current position of the vehicle and a vehicle side that receives the information. The system on the service side is a beacon 7-3 installed on highways and major national highways.
And a center 7-1 for managing a wide area information network connecting them by a high speed communication line 7-2. Usually, the beacon 7-3 is composed of a wireless transmitter, and has a function of repeatedly transmitting wirelessly fixed data signals such as latitude and longitude for notifying its position by wireless. On the other hand, the vehicle system has a receiving antenna 7-5 for receiving the position information sent from the beacon 7-3, a data base 7-8 storing map information, and a display 7-7. And a main control unit 7-6 that controls them.

A CD-ROM is usually used as the data base 7-8, and image data of a map is stored. The main controller 7-6 is based on the current position information received from the beacon 7-3 via the receiving antenna 7-5, and is based on the data base 7-.
Search for 8. Then, the map corresponding to the current position is fetched from the database 7-8 and displayed on the display 7
Display at -7. By seeing this, the driver in the vehicle 7-4 can know where the vehicle is currently traveling.

However, this system is a one-way route information communication system from the center 7-1 to the vehicle 7-4,
Information cannot be exchanged between running vehicles. Therefore, when an unplanned route change such as a break occurs while traveling with multiple vehicles, conventionally, they communicate with each other via a wireless transceiver, or
Assuming this, the vehicles connected to each other relying on visual inspection.

[0005]

However, since the wireless transceiver has a limited receivable distance, there is a problem in that it cannot be contacted when the vehicle interval increases. Further, since the transceiver has a one-to-one call, there is a problem that information exchange becomes difficult when the number of vehicles increases. The method of relying on visual inspection also has a problem that there is a risk of losing the opponent's vehicle.

The present invention has been made in view of the above points, and eliminates the above-mentioned problems and makes it possible to easily exchange information between running vehicles without being influenced by the number of vehicles or the vehicle interval. The purpose is to provide a switching system.

[0007]

In order to solve the above-mentioned problems, the present invention assigns the same vehicle ID to a plurality of vehicles, and as shown in FIG. 1, voice data or image data, and vehicle A means for transmitting and receiving an ID is provided, and a transmitting and receiving means is provided in the beacon 1-3 on the service system side, and voice data or image data transmitted from the vehicle, a vehicle ID,
A memory 1-5 for temporarily storing the time is provided, and when the vehicle ID is received from another vehicle, if it matches the vehicle ID stored in the memory 1-5, the stored voice data is stored. Alternatively, a means for transmitting the image data and time to the vehicle is provided.

[0008]

According to the present invention, by the above means, the beacon 1-3 receives the vehicle ID and the message from the leading vehicle and stores them in the memory 1-5 while the vehicle is traveling with a plurality of vehicles, and the succeeding vehicles having the same vehicle ID When the vehicle passes under the beacon 1-3, the vehicle can be selected by the received vehicle ID and the message can be transmitted and handed over.

[0009]

【Example】

[Embodiment 1] An embodiment of the present invention will be described below in detail with reference to the drawings. 1 is a block diagram showing a configuration of a first embodiment of an on-road vehicle information exchange system of the present invention. Similar to the conventional system shown in FIG. 7, this system is also composed of a service side that provides the current position of the vehicle and a vehicle side that receives the information. The system on the service side is an information control section 1-1-1, which controls information, and a timer 1-1 that keeps time.
A center 1-1 having two or the like, and a beercon 1 connected to the center 1-1 via a high-speed communication line 1-2 and installed above the road.
3 and 3. The beacon 1-3 includes a wireless transceiver 1-6, a memory 1-5, and a control unit 1-4 that controls these. The vehicle 1-7 is stored in the memory 1-5.
The vehicle ID and the message data transmitted from are stored.

On the other hand, the system on the side of the vehicle 1-7 is divided into a side for receiving the data from the beecon 1-3 and a side for transmitting the data to the beecon 1-3. The receiving side is a receiver 1-14, a D / A converter 1-10, a speaker 1-
The transmitter is a transmitter 1-15, A / D
It is composed of a converter 1-11 and a microphone 1-12. Main control unit 1 that controls the receiving side and the transmitting side 1-
8 and a memory 1 for storing message data
The vehicle side is constituted by -9. FIG. 3 shows an external view of a vehicle-mounted terminal for operating these.

First, the processing steps for transmitting data from the vehicle 1-7 side will be described. The vehicle ID for the beacons 1-3 to identify is registered in the memory 1-9 of each vehicle. The same number as the vehicle ID is registered in the memory 1-9 of each vehicle from the numeric keypad (FIG. 3) of each vehicle. When the driver of the first car wants to send a message to the following car, the microphone 1-
Record a message via 12. The message is A /
The data is converted into binary data by the D converter 1-11 and temporarily stored in the memory 1-9. Then, by pressing the ID transmission button (FIG. 3) of the vehicle-mounted terminal, the main control unit 1-8 takes out the data from the memory 1-9, and continuously starts transmission from the transmitter 1-15 together with the vehicle ID. To do. This data is received by the wireless transceiver 1-6 as the vehicle 1-7 passes under the beacon 1-3. Beacon 1-3 stores the received message data, vehicle ID, and time of timer 1-1-2 in memory 1-5.

Next, a processing procedure when the succeeding vehicle receives the data from the beacon 1-3 will be described. Subsequent vehicle 1-
7, the vehicle ID is continuously transmitted from the transmitter 1-15. When the succeeding vehicle 1-7 passes under the beacon 1-3 in which the message is stored, this vehicle ID is received. The control unit 1-4 of the beacon 1-3 compares the transmitted vehicle ID with the vehicle ID stored in the memory 1-5, and if there is a match, this message is displayed. Send to vehicle 1-7. If there is no matching vehicle ID, nothing is done. Beacon 1-3 transmits the data and time stored in memory 1-5, and vehicle 1-7 receives them at receiver 1-14, and D / A converter 1-10 and speed are received. −
It is output via the output terminal 1-13.

FIG. 2 shows a schematic diagram when a plurality of vehicles are traveling. Consider a case where three vehicles A, B, and C are traveling as shown in FIG. The vehicle IDs of these three units must be determined in advance and registered by the in-vehicle terminal shown in FIG. If the vehicle ID is “1234”,
Input this using the numeric keypad of the in-vehicle terminal. When the leading vehicle A wants to take a rest in the next service area while driving, press the record button on the in-vehicle terminal and press the microphone 1-1.
2. Record "Enter the next service area." This audio data is stored in the memory 1-9 via the A / D converter 1-11. When the data transmission button is pressed after recording, the main control unit 1-8 takes out the vehicle ID and the message just recorded from the memory 1-9, and the transmitter 1-
Transmission starts continuously from 15.

This data is received when the vehicle A passes under the beacon a shown in FIG. 2, and is stored in the memory 1-5 in the beacon 1-3 together with the time of the timer 1-1-2. Stored in. After the data is received, a signal indicating that the reception of the data is completed is sent from the beacon a, and the vehicle A receives the signal and terminates the data transmission. In addition, the transmission completion lamp shown in FIG.

Subsequent vehicles B and C are IDs of in-vehicle terminals.
Registered vehicle ID by pressing the send button
The vehicle travels while continuously transmitting [1234]. Vehicle B
When it passes under Beacon a (Fig. 2),
The control unit 1-4 compares the vehicle ID received from the vehicle B with the vehicle ID in the memory 1-5 and checks whether they match. FIG. 4 shows an example of the reception data stored in the memory of the beacon. As shown in the figure, vehicle ID data [1234] that matches the vehicle ID received from vehicle B.
If there is, the message and time corresponding to this vehicle ID are retrieved from the memory 1-5 and transmitted. The vehicle B sends the received data to the D / A converter 1-10 and makes a voice output from the speaker 1-13, saying, "At 0:00, I will enter the next service area." When the following vehicle C passes under the beacon a, data is received and processed in the same manner.

The voice data and the vehicle ID stored in the memory 1-5 in the beacon 1-3 are automatically erased after a fixed time. Alternatively, it is possible to set the number of vehicles to which the driver should transmit the data in advance, and delete the data after transmitting the data for that number of times.

[Second Embodiment] FIG. 5 is a block diagram showing the structure of a second embodiment of the present invention. Similar to the conventional system shown in FIG. 7, this system is also composed of a service side that provides the current position of the vehicle and a vehicle side that receives the information.
The system on the service side has an information control unit 5 for controlling information.
1-1, a center 5-1 having a timer 5-1-2 for keeping time, etc., and a beacon 5-3 connected to the center 5-1 via a high-speed communication line 5-2 and installed above the road. It The beecon 5-3 includes a wireless transceiver 5-6 and a memory 5.
-5, and a control unit 5-4 that controls them. The vehicle ID and the image data transmitted from the vehicle 5-7 are stored in the memory 5-5.

The system on the vehicle 5-7 side is a beacon 5-
A receiver 5-14 for receiving the data from the No. 3, a transmitter 5-15 for transmitting the data to the beacon 5-3, and a keyboard 5 for inputting / outputting the data. 11, a pen 5-10 for a touch panel, a touch panel 5-12 for both input and output, a speaker 5-13, and a main control section 5 for controlling these.
8 and a memory 5-9 for storing image data. FIG. 6 shows an external view of a vehicle-mounted terminal that operates these.

First, the processing steps for transmitting data from the vehicle 5-7 side will be described. The vehicle ID for the beacons 1-3 to identify is registered in the memory 5-9 of each vehicle. This vehicle ID is the same number registered in the memory 5-9 from the keypad (FIG. 6) of each vehicle. The driver writes a message to be sent to the touch panel 5-12 using the pen 5-10. The message is converted into binary data by the main control unit 5-8 and temporarily stored in the memory 5-9 of the vehicle-mounted device. Then, by pushing the ID transmission button and the data transmission button of the vehicle-mounted terminal shown in FIG. 6, the main control 5-8 takes out the data from the memory 5-9 and continues from the transmitter 5-15 together with the vehicle ID. Start sending. This data
Data is received by the wireless transceiver 5-6 as the vehicle 5-7 passes under the beacon 5-3. Be-Con 5-3
Is the received image data, vehicle ID, and timer 5-1.
The time 2 is stored in the memory 5-5.

Next, the processing steps when the succeeding vehicle receives the data from the beacon 5-3 will be described. Subsequent vehicles 5-7
Then, the vehicle ID is continuously transmitted from the transmitter 5-15. Vehicle 5-7 is a computer 5 in which image data is stored.
When the vehicle passes under -3, this vehicle ID is received. The control unit 5-4 compares the transmitted vehicle ID with the vehicle ID stored in the memory 5-5, and if there is a match, the beacon computer 5-3 stores it in the memory 5-5. The stored image data and time are transmitted. Matching vehicle ID
Without it, nothing is done. In vehicle 5-7, beecon 5
-3, the receiver 5-14 receives the data transmitted from -3 and outputs it to the touch panel 5-12. At the same time,
A signal sound (sound called a beep) that is received from the speaker 5-13 is generated.

FIG. 2 shows a schematic diagram when a plurality of vehicles are traveling. Consider a case where three vehicles A, B, and C are traveling as shown in FIG. The vehicle IDs of these three units must be determined in advance and registered by the in-vehicle terminal shown in FIG. If the vehicle ID is "1234", this is input from the numeric keypad of the vehicle-mounted terminal. An external view of the vehicle-mounted terminal is shown in FIG. In FIG. 6, the numeric keypad and the liquid crystal panel for pen input are independent, but they may be shared.

When the leading vehicle A wants to take a rest in the next service area while driving, the touch panel 5-12
Write "Enter the next service area." This image data is converted into binary data and stored in the memory 5-9.
Stored in. When the ID transmission button and the data transmission button are pressed after writing, the main control unit 5-8 takes out the vehicle ID and the image data just stored from the memory 5-9 and continues from the transmitter 5-15. Start sending.

The data is received by the beacon a when the vehicle A shown in FIG. 2 passes under the beacon a and is stored in the memory 5-5 in the beacon in the timer 5-1-2. It is stored together with the time. After the data is received, from the beacon a,
A signal is sent that the reception of the data is completed, and the vehicle receives the signal and the data transmission is terminated. Further, the transmission completion lamp is also turned on to the in-vehicle terminal as a signal of the completion of transmission (see the external view of the in-vehicle terminal of the second embodiment in FIG. 6).

Subsequent vehicles B and C press the ID transmission button on the vehicle-mounted terminal shown in FIG.
4 ”while continuously transmitting. When the vehicle B passes under the beacon a, the control unit 5-4 of the beacon a compares the vehicle ID received from the vehicle B with the vehicle ID in the memory 5-5 to check whether they match. To do. "123
If there is a vehicle ID "4", the image data and time corresponding to this vehicle ID are retrieved from the memory 5-5 and transmitted. The main control unit 5-8 of the vehicle B displays the received data on the touch panel 5-12, and the speaker 5-13.
A more audible signal (beep) or synthesized voice is output as "Data received." When the following vehicle C passes under the beacon a, data is received and processed in the same manner.

The voice data and the vehicle ID stored in the memory 5-5 in the beacon are automatically erased after a certain period of time. Alternatively, it is possible to set the number of vehicles to which the driver should transmit the data in advance, and to delete the data after transmitting the data that number of times.

[0026]

As described above in detail, according to the present invention, the following excellent effects can be expected. By providing the reception function and the storage function in addition to the transmission function to the beecon of the conventional service system, the beecon has a vehicle ID and a message from a leading vehicle running on a plurality of vehicles. Is stored in the receiving memory, and a succeeding vehicle having the same vehicle ID is displayed.
When passing under the control station, the vehicle can be selected by the received vehicle ID and the message can be transmitted and handed over. Therefore, it is possible not only to receive the position information from the service system as in the prior art but also to communicate between the running vehicles and to cope with a sudden schedule change.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of a first embodiment of the present invention.

FIG. 2 is a schematic diagram when a plurality of vehicles are traveling.

FIG. 3 is an external view of a vehicle-mounted terminal according to the first embodiment of the present invention.

FIG. 4 is a diagram showing an example of reception data stored in a memory of a beacon.

FIG. 5 is a block diagram showing a configuration of a second exemplary embodiment of the present invention.

FIG. 6 is an external view of a vehicle-mounted terminal according to a second embodiment of the present invention.

FIG. 7 is a block diagram showing a configuration of a conventional route guidance device.

[Explanation of symbols]

 1-1 Center 1-1-1 Information control unit 1-1-2 Timer 1-2 High-speed communication line 1-3 Beacon 1-4 Control unit 1-5 Memory 1-6 Wireless transceiver 1-7 Vehicle 1 -8 Main control unit 1-9 Memory 1-10 D / A converter 1-11 A / D converter 1-12 Microphone 1-13 Speaker 1-14 Receiver 1-15 Transmitter

Claims (5)

[Claims] 1. A position data such as latitude and longitude is displayed on a running vehicle.
In an information exchange system between road vehicles having a beacon for wirelessly transmitting a data signal, a wireless transmitting / receiving means for transmitting / receiving a wireless signal to the beacon and a first storage means for storing data are provided. An ID for identifying a vehicle is assigned to a plurality of vehicles, the vehicle is provided with a second storage means for storing the ID and data, and an input / output means for the same, and stored from the running vehicle in the second storage means. The ID and data stored therein are wirelessly transmitted to the beacon, and the beacon stores the ID and data in the first storage means.
Further, the beacon compares the ID transmitted from another vehicle with the ID stored in the first storage means, and stores the data stored in the first storage means for the vehicle having the same ID. A system for exchanging information between road vehicles, characterized in that means for transmitting information is provided. 2. The information exchange system between road vehicles according to claim 1, wherein the time when the ID and the data are received from the vehicle is stored in the first storage means of the beacon together with the ID and the data. Then
An information exchange system between road vehicles, comprising means for transmitting the time and data stored in the first storage means to vehicles having the same ID. 3. The system for exchanging information between road vehicles according to claim 1, wherein the vehicle is a receiving means for receiving data transmitted from the wireless transmitting / receiving means of the beacon, and a digital / analog conversion. Means, a voice output means, and a control means for controlling these means, and the voice data received by the receiving means is output from the voice output means. 4. A position data such as latitude and longitude is displayed on a running vehicle.
In an information exchange system between road vehicles having a beacon for wirelessly transmitting a data signal, a wireless transmitting / receiving means for transmitting / receiving a wireless signal to the beacon and a first storage means for storing image data are provided. A second storage means for allocating an ID for identifying a vehicle to a plurality of vehicles and storing the ID and image data in the vehicle and an input / output means for the second storage means are provided from the running vehicle to the second storage means. The ID and the image data stored in the computer are wirelessly transmitted to the beecon, the beecon stores the ID and the image data in the first storage means, and the beecon stores the other data. I sent from a vehicle
A means for comparing D with the ID stored in the first storage means and transmitting the image data stored in the first storage means to a vehicle having the same ID is provided. Information exchange system between road vehicles. 5. The system for exchanging information between road vehicles according to claim 4, wherein the vehicle receives the image data transmitted from the wireless transmission / reception means of the beacon, and the image data. An information exchange system between road vehicles, characterized in that input / output means of data and control means for controlling them are provided, and the image data received by the receiving means is output from the input / output means.