JP2004118609A - Emergency information communication system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To inform vehicles traveling on a lane on which an emergency has occurred that there is an accident on the lane. <P>SOLUTION: The emergency information communication system provides information about an emergency occurring on a lane ahead to vehicles traveling behind on the lane where the emergency has occurred. When detecting the emergency that has occurred on the lane, a vehicle sends emergency information to vehicles on the opposite lane. The emergency information communication system of the vehicle on the opposite lane, when receiving the emergency information, reports this to the vehicles on the lane where the emergency has occurred, either by blinking lights or by using car-to-car communications. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to an emergency information communication device, and more particularly to an emergency information communication device having a function of notifying a traveling vehicle in an emergency occurrence lane that an emergency has occurred.
[0002]
[Prior art]
When an emergency (an accident or the like) has occurred, a method of notifying a vehicle traveling in the emergency-occurring lane of the emergency is to transmit emergency information using a road traffic information communication means such as a VICS to transmit the emergency information. There is a method of giving a warning by a display unit or an audio device.
There is also a traffic information communication system in which traffic information is sequentially transmitted to a rear vehicle by inter-vehicle communication, and position information, elapsed time and vehicle speed information of the rear vehicle are transmitted forward (Japanese Patent Laid-Open No. Hei 10-198889). ).
[Patent Document 1] JP-A-10-198889
[Problems to be solved by the invention]
However, in the display of a conventional vehicle-mounted device using a road traffic information communication means such as VICS,
・ It is hard to notice when concentrated on driving,
・ It is difficult to intuitively understand what is being warned,
-Although it is possible to specify the approximate location, it is not possible to receive detailed information on whether the accident is on the current driving lane,
Receive emergency occurrence information even if it is not an emergency on the lane where the car is going to travel,
・ Information cannot be transmitted to vehicles that do not have a vehicle-mounted device (inter-vehicle communication device) that supports wireless communication.
Problems such as are conceivable.
Further, the prior art of Patent Literature 1 does not notify emergency information such as an accident to a vehicle traveling in an oncoming lane or a vehicle scheduled to pass through an emergency occurrence point by inter-vehicle communication.
In view of the above, it is an object of the present invention to enable a driver to easily and intuitively recognize an alarm indicating occurrence of an emergency, and to notify the occurrence of an emergency even to a vehicle not equipped with an on-board device capable of wireless communication. It is to be.
Another object of the present invention is to enable a driver to recognize that an accident has occurred on a driving lane.
It is another object of the present invention to be able to report only an emergency on the planned lane of a vehicle.
[0004]
[Means for Solving the Problems]
The present invention is an emergency information communication device that notifies information about an emergency to a traveling vehicle in an emergency occurrence lane. The emergency information communication device of the traveling vehicle transmits emergency information to the oncoming vehicle when detecting an emergency that has occurred ahead in the traveling lane. When the emergency information communication device of the oncoming lane receives the emergency information, when passing the vehicle on the emergency lane, the emergency information communication device notifies that the emergency is occurring by flashing the light or by inter-vehicle communication. Notice. In this way, the driver can easily and intuitively recognize the alarm of the occurrence of an emergency, and can recognize the occurrence of the emergency even in a vehicle without the inter-vehicle communication device. In addition, the driver can be made aware that the accident is on the current driving lane.
[0005]
Further, the present invention is an emergency information communication device for notifying information about an emergency to a traveling vehicle in the emergency occurrence lane. When the emergency information communication device obtains emergency information on the oncoming lane (emergency lane), the emergency information communication device obtains a guidance route from a vehicle traveling in the emergency lane to the destination, and obtains an emergency condition on the guidance route. Only the information is selected and the traveling vehicle is notified. In this way, only an emergency on the scheduled lane can be reported, and a re-route search can be easily performed.
[0006]
BEST MODE FOR CARRYING OUT THE INVENTION
(A) Outline of the Present Invention The present invention is an emergency information communication device that notifies information relating to an emergency to vehicles traveling behind on the emergency occurrence lane. The emergency situation is, for example, a case where a faulty vehicle exists on the road ahead of the traveling lane, a case where a person has fallen on the road ahead of the traveling lane, or a case where the vehicle is stopped due to traffic congestion. An emergency is detected by processing images captured by a camera or night vision of a vehicle passing through the site and input to an emergency communication device. Alternatively, an emergency occurrence is input to the emergency communication device by a key operation.
[0007]
(1) Method of Notifying Emergency by Automatic Passing When notifying an emergency by automatic passing, there are a method of notifying a car to be automatically passed of a passing instruction by inter-vehicle communication and a method of notifying using a roadside hot spot (roadside communication unit). is there. Note that passing is to blink a light when passing.
[0008]
Method of Notifying Car Passing Automatically of Emergency Occurrence by Inter-Vehicle Communication FIG. 1 is an explanatory diagram of a method of notifying a car performing automatic passing of a passing instruction through inter-vehicle communication.
(1) The vehicle (vehicle A) that has passed the emergency position EMP can obtain "emergency position information", "running direction information", and "emergency signal" between the vehicles if the emergency situation is obtained with a camera or night vision. The wireless start is performed by the communication device (FIG. 1A). In this case, the vehicle A may be configured to wirelessly transmit the information when the vehicle-to-vehicle communication with the vehicle on the opposite lane (vehicle B) becomes possible. Further, it is also possible to detect the occurrence of an accident using an acceleration sensor or an airbag opening / closing sensor and transmit the above information.
{Circle around (2)} Upon receiving the radio signal of the vehicle A, the vehicle traveling on the opposite lane of the vehicle A (vehicle B) identifies the emergency on the opposite lane by referring to the traveling direction information, Emergency state presentation standby state "(FIG. 1 (b))
{Circle around (3)} The car B is behind the emergency location based on the emergency location information, and if it detects a rear vehicle (vehicle C) on the emergency lane (the same lane as the vehicle A), it passes each other. By automatically passing, the car C is notified that there is an emergency ahead (FIG. 1 (c)). The position of the car C is detected by image recognition or inter-vehicle communication. In the case of detection by vehicle-to-vehicle communication, vehicle B detects its presence when vehicle-to-vehicle communication becomes possible with vehicle C, and detects the distance to vehicle C by receiving position information of vehicle C by vehicle-to-vehicle communication. Then, when the set distance in front is reached, passing is automatically performed.
{Circle around (4)} The driver of the car C who sees the passing of the car B in the oncoming lane recognizes the occurrence of an emergency ahead and makes preparations such as reducing the traveling speed.
The vehicle B cancels the emergency-presentation standby state when it sends a warning passing message to “depart from the emergency road”, “elapse of a predetermined time (eg, 5 minutes)”, and “a certain number (eg, 10 vehicles)”.
[0009]
Method of Notifying Auto-Passing Car Via Road Shoulder Hot Spot FIG. 2 is an explanatory diagram of a method of notifying a car to be automatically passed of a passing instruction through a road shoulder hot spot.
(1) The vehicle (vehicle A) that has passed the emergency position EMP will communicate "emergency position information", "traveling lane information", and "emergency signal" by wireless communication if the emergency is obtained with a camera or night vision. the up ring to the nearest shoulder hotspot RSH ₅ on the opposite lane (FIG. 2 (a)). The roadside hot spot has a wireless transmission / reception function, and the roadside spots are connected to each other by a cable so that they can communicate with each other.
When the above information is received from the vehicle A, the roadside hot spot RSH ₅ identifies the emergency on the oncoming lane by referring to the traveling lane information, and thereafter wirelessly transmits the emergency information until the emergency is released. Is sent. Also, shoulder hotspot RSH ₅ determines the shoulder hotspots RSH 11 to instruct the release of the automatic passing _(FIG. 2 (d)), an instruction to transmit the passing cancellation instruction wirelessly該路shoulder hotspot.
▲ 2 ▼ car traveling in the opposite lane A wheel (B vehicle), at the time of passing by the shoulder hotspot RSH _5, receives the emergency information from該路shoulder hotspot RSH _5, with reference to the driving lane information It identifies that it is an emergency on the oncoming lane and enters an "emergency emergency display standby state" (FIG. 2B).
{Circle around (3)} Car B is located behind the emergency location, and if it detects a rear vehicle (vehicle C) on the emergency lane (the same lane as vehicle A), it automatically passes by passing each other. , C is informed that there is an emergency ahead (FIG. 2 (c)). The position of the car C is detected by image recognition or inter-vehicle communication. In the case of detection by vehicle-to-vehicle communication, vehicle B detects its presence when vehicle-to-vehicle communication becomes possible with vehicle C, and detects the distance to vehicle C by receiving position information of vehicle C by vehicle-to-vehicle communication. Then, when the set distance in front is reached, passing is automatically performed.
The driver of the car C who sees the passing of the car B in the opposite lane recognizes the occurrence of an emergency ahead and makes preparations such as reducing the traveling speed.
▲ 4 ▼ B car, when it passes through the shoulder hot spot RSH ₁₁ to continue traveling, received a passing cancellation instruction than該路shoulder hot spot RSH _11, to release the "emergency situation presented standby state" (Fig. 2 ( d)).
[0010]
(2) Method of reporting an emergency using inter-vehicle communication FIG. 3 shows a vehicle (vehicle C) traveling on an emergency lane using inter-vehicle communication instead of automatic passing. FIG.
(1) When the accident vehicle (vehicle A) detects the occurrence of an accident with an acceleration sensor, an airbag opening / closing sensor, or the like, it transmits emergency information (position information, traveling direction information, accident occurrence information) through inter-vehicle communication (FIG. 3). (A)).
(2) The vehicle (vehicle B) traveling on the opposite lane must obtain emergency information including position information from the accident vehicle by inter-vehicle communication, and refer to the traveling direction information to be an accident on the opposite lane. Is recognized (FIG. 3B).
(3) Thereafter, the vehicle B keeps traveling until an oncoming vehicle appears on the emergency lane (the same lane as the vehicle A).
{Circle around (4)} When the vehicle B detects the rear vehicle (vehicle C) on the emergency lane, it transmits emergency information to vehicle C by inter-vehicle communication (FIG. 3 (c)). Car C, which has received the emergency information by the inter-vehicle communication, recognizes the lane and position where the accident has occurred based on the position information and the traveling direction information, and prepares to change lanes, reduce the traveling speed, and the like.
[0011]
(3) Method of Notifying Only Emergency Information on Scheduled Travel Route FIG. 4 is an explanatory diagram in the case of transmitting only emergency information on the scheduled route.
{Circle around (1)} It is assumed that the vehicle A travels by acquiring the accident information A and B on the opposite lane at the points a and b on the route 1 and the route 2 (FIG. 4A).
{Circle around (2)} In such a state, if the vehicle A can communicate with the vehicle B running in the oncoming lane, the vehicle A inquires the vehicle B for a guidance route to the destination and acquires the guidance route 3 ( FIG. 4 (b)).
(3) The vehicle A selects the accident information A on the guide route 3 and transmits only the accident information A to the vehicle B by the inter-vehicle communication. The accident information B is not transmitted to the vehicle B because it is not accident information on the planned traveling route.
(4) When the vehicle B receives the accident information A, the vehicle B identifies the position of the accident and the lane in which the accident occurred, immediately searches for a rerouting route around the accident point, searches for the detour route 4, and travels along the route 4. (FIG. 4C).
In the above description, only the emergency information on the scheduled traveling route of the vehicle B is transmitted from the vehicle A to the vehicle B, but all the accident information is transmitted from the vehicle A to the vehicle B, and the vehicle B selects the relevant information. It can also be processed.
[0012]
(B) Vehicle-to-vehicle communication system FIG. 5 is a block diagram of a vehicle-to-vehicle communication system as an emergency information communication device according to the present invention, in which a navigation device 50 and a vehicle-to-vehicle communication device 60 are provided, and they can communicate with each other. It is connected to the.
The navigation device 50 includes a navigation control unit 51 that performs map display control around the vehicle, search control for searching for a guidance route to a destination, route guidance control along the searched guidance route, and a map required from a map storage medium. A map supply unit 52 for reading data and inputting the data to a navigation control unit, a command input unit 53 for inputting various commands for map display, a current position detection unit 54 for detecting the current position of the vehicle, a map, a guidance route, and other displays. And an interface unit 56 for controlling communication with the inter-vehicle communication device.
[0013]
The vehicle-to-vehicle communication device 60 is a communication unit that communicates with peripheral vehicles and facilities, for example, a Bluetooth (BT) device 61, a vehicle-to-vehicle communication control unit 62 that controls vehicle-to-vehicle communication, and an interface that controls communication with a navigation device. A section 63, an operation section 64, various detection sections 65, an emergency detection device 66, a passing circuit 67 and the like are provided. The communication means is not limited to Bluetooth (BT) equipment, but may be a communication means using a wireless LAN or a communication means using a mobile network.
The vehicle-to-vehicle communication control unit 62 is provided with a storage device 71. The storage device 71 includes a program storage unit 71a that stores various programs according to a processing flow described later, and a data storage unit 71b that stores setting data, processing results, and the like. I have.
[0014]
The operation unit 64 has a vehicle-mounted display, a touch panel, and operation switches (commanders). The various detection units 65 include an acceleration sensor for detecting the occurrence of an accident in the vehicle, an airbag opening / closing detection sensor, a vital sensor for detecting a driver's body temperature, a respiratory pulse, blood pressure, and the like, and a visual sensor for monitoring the condition in the vehicle compartment. Etc. are provided. In addition, the emergency detection device 66 captures an accident vehicle, a fallen person, or the like on the traveling lane with a camera or night vision, and detects an emergency by image processing. The passing circuit blinks the light (passing) when instructed by the inter-vehicle communication control unit 62.
[0015]
(C) Bluetooth used for vehicle-to-vehicle communication (including vehicle-to-vehicle communication and vehicle-to-facility communication) is a method for replacing a cable between a mobile unit and a fixed body, or between a mobile unit and an electronic device of the mobile unit, or between them. The intended wireless link. In Bluetooth communication, when a master wants to communicate, the master performs an inquiry (inquiry) using an IQ packet as to what slaves are present in the vicinity, and each slave transmits a Bluetooth device address and clock information necessary for establishing a connection in an FHS packet. Respond to the master. In other words, by performing inquiry, device addresses and clock information of all slaves responding to the inquiry can be collected. Note that the Bluetooth device address is a unique address given to all Bluetooth devices.
Thereafter, the master performs a process called Page using the Bluetooth device address and clock information of the selected predetermined slave to actually establish a connection with the slave and transmit / receive data. That is, the master transmits an ID packet to the selected predetermined slave, and upon receipt of the acknowledgment for the ID packet from the slave, the master transmits an FHS packet to the slave and transmits its own Bluetooth device address and clock information. And then proceeds to the communication phase.
[0016]
(D) Emergency notification processing (1) Processing for notifying an emergency by automatic passing FIG. 6 and FIG. 7 are processing flows of a method for notifying an emergency by automatic passing, and a passing instruction is sent to a car to be automatically passed by inter-vehicle communication. Notify (see FIG. 1).
The vehicle-to-vehicle communication control unit 62 of the vehicle (vehicle A) that has passed the emergency position EMP acquires the position and the traveling direction from the navigation device 50 when the emergency detection device 66 such as a camera or night vision detects the emergency. Then, emergency information including emergency position information and traveling direction information is created (step 101 in FIG. 6). Then, the emergency information is wirelessly started by the communication means 61 and reported to the oncoming traffic lane (step 102, FIG. 1A). If the communication means 61 is a BT device, the accident finding vehicle (vehicle A) wirelessly transmits such information to the vehicle (vehicle B) in the opposite lane when inter-vehicle communication becomes possible.
[0017]
When the BT device 61 of the vehicle (vehicle B) running on the opposite lane to the accident lane receives the radio signal from the accident finding vehicle (vehicle A), it inputs the received data to the inter-vehicle communication control unit 62, The inter-vehicle communication control unit 62 refers to the traveling direction information, identifies an emergency in the oncoming lane, and enters an “emergency emergency display standby state” (step 110 in FIG. 7, FIG. 1 (b)). . The inter-vehicle communication control unit 62 of the vehicle B checks whether the automatic passing stop condition is satisfied (step 111), and ends the process if the condition is satisfied. The automatic-passing stop conditions include "disengage from an emergency road", "elapse of a certain time (e.g., 5 minutes)", "a certain number of e-mails (e.g., ten vehicles) have been sent warning passing", and the like.
If the automatic passing stop condition is not satisfied, it is checked whether the rear vehicle (vehicle C) on the emergency lane (the same lane as vehicle A) has reached just before the set distance (step 112). That is, the vehicle-to-vehicle communication control unit 62 of the vehicle B detects the presence of the vehicle C when the vehicle-to-vehicle communication becomes possible, receives the position information of the vehicle C by the vehicle-to-vehicle communication, and determines the distance to the vehicle C. Is detected, and it is checked whether the set distance in front is reached.
If the car C has not arrived immediately before the set distance, the processing from step 111 onward is repeated. If the car has reached the set distance, an automatic passing is instructed to the passing circuit 67, and passing is automatically performed at every passing. It notifies that there is an emergency ahead (step 113, FIG. 1 (c)).
The driver of the car C who sees the passing of the car B in the opposite lane recognizes the occurrence of an emergency ahead and makes preparations such as reducing the traveling speed.
[0018]
(2) Another process of notifying an emergency by automatic passing FIG. 8 to FIG. 10 show a process flow of another method of notifying an emergency by automatic passing, in which a passing instruction is notified to a car to be automatically passed via a roadside hot spot. (See FIG. 2).
The vehicle-to-vehicle communication control unit 62 of the vehicle (vehicle A) that has passed the emergency position EMP acquires the position and the traveling direction from the navigation device 50 when the emergency detection device 66 such as a camera or night vision detects the emergency. Then, emergency information including emergency position information and traveling direction information is created (step 201 in FIG. 8). Then, the emergency information was starting from the communication unit 61 wirelessly, notifies the the shoulder hotspot RSH ₅ (step 202, Figure 1 (a)).
[0019]
When the emergency information is received from the vehicle A, the roadside hot spot RSH ₅ refers to the traveling lane information to identify an emergency on the opposite lane (step 210 in FIG. 9). Then, shoulder hotspot RSH ₅ determines the shoulder hotspots _{RSH 11} to instruct the release of the automatic passing (step 211), an instruction to transmit the passing cancellation instruction wirelessly該路shoulder hotspot (step 212).
Thereafter, shoulder hotspot RSH ₅ transmits the emergency information wirelessly to emergency is canceled (step 213, 214). If emergency released, shoulder hotspot RSH ₅ is to stop the transmission of the emergency information, and instructs the wireless delivery stop shoulder hotspot RSH ₁₁ (step 215).
[0020]
Communication means 61 of the vehicle traveling the opposite lane of the accident lane (B vehicle), when passing through the shoulder hotspot RSH _5, upon receiving a radio signal from該路shoulder hotspot RSH _5, the vehicle-to-vehicle received data It is input to the communication control unit 62. The inter-vehicle communication control unit 62 refers to the traveling direction information, identifies an emergency in the oncoming lane, and enters an “emergency emergency display standby state” (step 250 in FIG. 10, FIG. 2 (b)). . Next, the inter-vehicle communication control unit 62 of the vehicle B checks whether the automatic passing stop has been received (step 251), and ends the processing if it has been received. That is, the vehicle B is passing through the shoulder hotspot _{RSH 11,} when receiving a passing cancellation instruction from該路shoulder hotspot _{RSH 11,} to release the "emergency presentation standby state" (Figure 2 (d)).
[0021]
On the other hand, if the automatic passing stop is not received, it is checked whether or not the rear vehicle (vehicle C) on the emergency lane (the same lane as vehicle A) has arrived just before the set distance (step 252). That is, the vehicle-to-vehicle communication control unit 62 of the vehicle B detects the presence of the vehicle C when the vehicle-to-vehicle communication becomes possible, receives the position information of the vehicle C by the vehicle-to-vehicle communication, and determines the distance to the vehicle C. Is detected, and it is checked whether the set distance in front is reached.
If the car C has not arrived immediately before the set distance, the processing from step 251 onward is repeated. If the car has reached the set distance, the passing circuit 67 is instructed to perform automatic passing, and the car is automatically passed in passing each other. It is notified that there is an emergency ahead (step 253, FIG. 2 (c)).
The driver of the car A who sees the passing of the car B in the opposite lane recognizes the occurrence of an emergency ahead and makes preparations such as reducing the traveling speed.
[0022]
(3) Processing for Notifying Emergency Using Inter-Vehicle Communication FIGS. 11 and 12 are processing flows of a method for notifying an emergency via inter-vehicle communication (see FIG. 3). When the accident vehicle (vehicle A) detects the occurrence of an accident of the own vehicle by an acceleration sensor, an airbag opening / closing sensor, or the like (step 301), it transmits emergency information (position information, traveling direction information, accident occurrence information) by inter-vehicle communication. Then, the data is transmitted to the vehicle traveling in the oncoming lane (step 302, FIG. 3A).
When the BT device 61 of the vehicle (vehicle B) running on the opposite lane to the lane in which the accident has occurred receives radio signals from the accident-finding vehicle (vehicle A), it inputs the received data to the inter-vehicle communication control unit 62. The inter-vehicle communication control unit 62 refers to the traveling direction information, identifies an emergency in the oncoming lane, and enters an “emergency emergency display standby state” (step 310 in FIG. 12, FIG. 1 (b)). .
[0023]
Next, the inter-vehicle communication control unit 62 of the vehicle B checks whether the accident report stop condition is satisfied (step 311), and ends the process if the condition is satisfied. The accident report stop condition is the same as the automatic passing stop condition.
On the other hand, if the accident report stop condition is not satisfied, it is checked whether the vehicle-to-vehicle communication with the rear vehicle (vehicle C) on the emergency lane (the same lane as vehicle A) is possible (step 312). If the vehicle-to-vehicle communication is not possible, the processing after step 311 is repeated, and if possible, emergency information (position, running direction, etc.) is transmitted to vehicle C by vehicle-to-vehicle communication (step 313, FIG. 3 (c)). ).
Car C, which has received the emergency information by the inter-vehicle communication, recognizes the lane and position where the accident has occurred based on the position information and the traveling direction information, and prepares to change lanes, reduce the traveling speed, and the like.
[0024]
(4) Process of Notifying Only Emergency Information on Scheduled Travel Route FIGS. 13 and 14 show a process flow of reporting only emergency information on the scheduled route (see FIG. 4). It is assumed that the inter-vehicle communication device 60 of the vehicle A is running by acquiring the accident information A and B on the opposite lane at the points a and b on the route 1 and the route 2 (FIG. 4A). .
In this state, if the inter-vehicle communication control unit 62 of the vehicle A can perform inter-vehicle communication with the vehicle B running on the opposite lane (step 401 in FIG. 13), the inter-vehicle communication control unit 62 sets the guidance route to the vehicle B to the destination. An inquiry is made (step 402). When the guidance route 3 of the vehicle B is acquired (step 403, FIG. 4B), the inter-vehicle communication control unit 62 of the vehicle A selects the accident / congestion information A on the guidance route 3 (step 404). Only the accident / congestion information A is transmitted to the vehicle B by vehicle-to-vehicle communication (step 405).
[0025]
On the other hand, the inter-vehicle communication control unit 62 of the vehicle B running in the oncoming lane checks whether there is an inquiry about the guidance route from the oncoming vehicle (step 451 in FIG. 14). 50, and notifies the requesting vehicle A (step 452).
Next, upon receiving emergency information such as an accident or traffic congestion, the inter-vehicle communication control unit 62 of the vehicle B identifies the accident, the congestion occurrence position, and the generated lane, and inputs the emergency occurrence point to the navigation device 50. Instructs a search for a detour route. In this way, the navigation device 50 displays the accident occurrence point in an identifiable manner, performs a reroute search to search for a detour route, and travels according to the detour route 4 found (step 454, FIG. 4C).
[0026]
【The invention's effect】
As described above, according to the present invention, it is possible to notify the traveling vehicle in the emergency lane that there is an accident on the traveling lane. Further, according to the present invention, it is possible to provide a warning that an emergency has occurred by automatic passing so that the driver can easily and intuitively recognize the alarm, and the vehicle does not have a wireless communication compatible vehicle-mounted device. However, it is possible to recognize that an emergency has occurred.
Further, according to the present invention, a traveling vehicle on an emergency lane can be reliably recognized as an accident on the traveling lane.
Further, according to the present invention, it is possible to report only an emergency on the expected lane of travel of an oncoming vehicle, and to promptly perform a reroute search.
[Brief description of the drawings]
FIG. 1 is an explanatory diagram of a method of notifying a passing instruction to a car to be automatically passed through inter-vehicle communication.
FIG. 2 is an explanatory diagram of a method of notifying a car performing automatic passing of a passing instruction via a roadside hot spot.
FIG. 3 is an explanatory diagram for reporting emergency information to a vehicle (vehicle C) traveling on an emergency lane using inter-vehicle communication;
FIG. 4 is an explanatory diagram in the case of transmitting only emergency information on a scheduled traveling route.
FIG. 5 is a configuration diagram of an inter-vehicle communication system as an emergency information communication device according to the present invention.
FIG. 6 is a processing flow of an accident detecting vehicle in a method of notifying an emergency by automatic passing (a passing instruction is issued to a vehicle to be automatically passed through inter-vehicle communication).
FIG. 7 is a processing flow of a passing vehicle in a method of notifying an emergency by automatic passing (a passing instruction is issued to a vehicle to be automatically passed through inter-vehicle communication).
FIG. 8 is a processing flow of an accident detecting vehicle in a method of notifying an emergency by automatic passing (a passing instruction is issued to a vehicle to be automatically passed via a roadside hot spot).
FIG. 9 is a processing flow of a roadside hot spot in a method of notifying an emergency by automatic passing.
FIG. 10 is a processing flow of a passing vehicle in a method of notifying an emergency by automatic passing (a passing instruction is issued to a vehicle to be automatically passed via a roadside hot spot).
FIG. 11 is a processing flow of an accident vehicle in a method of notifying an emergency through inter-vehicle communication.
FIG. 12 is a processing flow of an emergency occurrence notification vehicle in a method of notifying an emergency through inter-vehicle communication.
FIG. 13 is a processing flow of a reporting vehicle that reports emergency information on a scheduled traveling route.
FIG. 14 is a processing flow of a vehicle that is notified of emergency information on a scheduled traveling route.
[Explanation of symbols]
EMP Emergency point A car Accident detection car or accident car B Oncoming vehicle (emergency notification car)
Car C Car following the accident lane

Claims (5)

In an emergency information communication device that notifies information about an emergency to vehicles running behind the emergency occurrence lane,
An emergency occurrence detection unit that detects an emergency,
First means for transmitting emergency information to oncoming traffic lanes;
A second means for notifying that an emergency has occurred when receiving emergency information and passing the vehicle on the emergency lane;
An emergency information communication device comprising: The second notification means notifies that an emergency has occurred by blinking a light when passing each other,
The emergency information communication device according to claim 1, wherein: The second notifying means notifies emergency information by inter-vehicle communication;
The emergency information communication device according to claim 1, wherein: In an emergency information communication device that notifies information about an emergency to vehicles running behind the emergency occurrence lane,
An emergency occurrence detection unit that detects an emergency,
Means for notifying the roadside communication device of emergency information,
Means for notifying by flashing a light that an emergency has occurred, when receiving emergency information from the roadside communication device, when passing a vehicle on the emergency occurrence lane,
An emergency information communication device comprising: In an emergency information communication device that notifies information about an emergency to the traveling vehicle in the emergency occurrence lane,
Means for obtaining a guidance route from the traveling vehicle in the emergency lane to the destination,
Means for notifying the traveling vehicle of only emergency information on the guidance route,
An emergency information communication device comprising:

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