JP2001216542A - Toll reception system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a display method which guides automobiles provided with on-vehicle equipment and the other automobiles with no on-vehicle equipment to lanes where respective automobiles should run, in a nonstop automatic toll reception system. SOLUTION: Communication equipment between road and vehicle and a guide display machine are set above a lane in a tollhouse, and number plate information transmitted from on-vehicle equipment is displayed as a guide on the guide display machine to guide automobiles provided with on-vehicle equipment to a nonstop lane, and on the other hand, the other automobiles are guided by guide display so that they may bypass to a temporary stop lane. Thus tollhouse equipment is constituted so as to smoothly receive tolls in accordance with forms of individual automobiles.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle for which road-to-vehicle communication has succeeded (hereinafter referred to as an "ETC vehicle"), a vehicle for which road-to-vehicle communication has failed, and a vehicle without an on-vehicle device, for example, in a toll road toll collection system. (Hereinafter referred to as "non-ETC vehicle") to safely guide the vehicle to a non-stop (ETC) lane and a temporary stop lane (non-ETC), respectively, and to operate a toll road toll collection system effectively. It relates to a display to be displayed.

[0002]

2. Description of the Related Art Conventionally, on a highway or the like, a magnetic card type toll collection system has been introduced. Regarding this collection system, for example, Toshiba Review (40
No.) pp. 189-192, "Magnetic card type fee collection system", or Mitsubishi Heavy Industries Technical Report VOL. 22N
o. 6 (1985-11), pp. 127-132, "System Technology in Magnetic Card Type Toll Collection Machine". In the conventional system, when entering the expressway from the general road, and when exiting from the expressway to the general road, it is necessary to temporarily stop at the toll booth and receive a toll ticket and pay the toll. Many cars line up in front of the toll booth. In addition, even on a toll road where a fixed amount is collected according to the vehicle type regardless of the mileage, the vehicle stops at a toll gate and pays a toll, so that when there is a large amount of traffic, congestion often occurs.

In order to solve the above-mentioned problems, a non-stop automatic toll collection system capable of collecting a toll without stopping the vehicle at a tollgate for some time has been proposed, and has already been used in Europe and the United States. 20 in Japan
It will be operated on all toll roads from April 2000. These systems are described in, for example, Mitsubishi Heavy Industries Technical Report VOL. 32 No. 4 (1995-7) P264-2
67 “Needs and Technical Development in Expressway Traffic Management Systems”, NIKKEI BUSINESS, November 13, 1995, P155-158 “Information from Road to Car”
Dispatch "Fight for initiative in Japan, the United States and Europe"
8492 and the like. Japanese Unexamined Patent Application Publication No.
-143078, JP-A-8-163002 (all of
(Title of Invention: Information transmission method between toll booth and vehicle) There are several examples, such as writing electronic information equivalent to cash on a prepaid card embedded with a semiconductor circuit,
There has been proposed a settlement method using so-called electronic money, in which settlement of charges is performed by exchanging electronic information.

[0004] As described above, the non-stop automatic toll collection system is scheduled to be operated in Japan on April 2000 on some toll roads.
At present, it is unavoidable that the system operates in a mixed manner with the normal toll collection mode that involves humans, unless the percentage is set to a percentage. Such a system is described in Patent No. 2
No. 915748 (title of invention: toll collection system for toll roads), which aims to provide a display for guiding a non-ETC vehicle to a manned lane, that is, a normal toll collection type lane. It is not a system that displays both non-ETC vehicles on the guidance display.

[0005]

In a non-stop automatic toll collection system, automatic toll collection is possible from an ETC vehicle, but a non-ETC vehicle must be stopped once and a toll collector must collect a toll. In addition, it is necessary to safely guide a vehicle determined to be a non-ETC vehicle due to a failure of the vehicle-mounted device or the like even though the vehicle-mounted device is mounted, to a temporarily stopped lane where a toll collection member is present. Therefore, the establishment of a method for safely guiding an ETC vehicle and a non-ETC vehicle traveling on the same toll road in a mixed manner has been an issue.

[0006]

According to a first aspect of the present invention, there is provided a toll collection system mounted on a vehicle and having a function of transmitting information including license plate information of the vehicle, and an onboard device installed upstream of the tollgate. A road-to-vehicle communication device that wirelessly communicates information regarding toll collection with the vehicle-mounted device;
ET successfully communicated between the road-vehicle communication device and the on-board unit
The vehicle has guidance display means for displaying license plate information of the ETC vehicle received by the road-to-vehicle communication device so as to guide the ETC vehicle to the ETC lane for the C vehicle.

[0007] A toll collection system according to a second invention comprises:
A vehicle-mounted device that is mounted on a vehicle and has a function of transmitting information including license plate information of the vehicle, and a road-to-vehicle device that is installed upstream of a tollgate and wirelessly communicates information regarding toll collection with the vehicle-mounted device. A communication device and guidance display means for guiding the ETC vehicle to a lane other than the ETC lane when communication between the road-vehicle communication device and the on-vehicle device is not normal.

In the toll collection system according to a third aspect of the present invention, when the license plate information is received from the vehicle-mounted device as the road-to-vehicle communication device, the license plate information and the lane classification of the vehicle are sequentially displayed on the guidance display means, and the vehicle is displayed. ET
After the vehicle is guided to the C lane and after a predetermined period of time has elapsed, the display of the license plate number of the vehicle is advanced from the guidance display means to the license plate information of the following vehicle and the lane section to be entered. The display guides the following vehicle.

[0009] A toll collection system according to a fourth aspect of the present invention comprises:
A detection unit for detecting a vehicle traveling in the ETC lane;
According to the detection result of the detection means, the display of the license plate number of the vehicle is erased from the guidance display means, and the license plate information of the subsequent vehicle and the lane segment to be entered are moved up and displayed to guide the subsequent vehicle. It is something to do.

[0010] A toll collection system according to a fifth aspect of the present invention is provided with an ETC vehicle determination sensor for determining whether or not the vehicle has communicated with the road-to-vehicle communication device. A display in which wireless communication is not performed, and a vehicle that has entered the ETC vehicle determination sensor is determined to be a vehicle that does not have an onboard device or has a failed onboard device, and guides the vehicle to a lane other than the ETC lane. Is performed.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 Embodiment 1 will be described with reference to FIGS. 1 to 9. In FIG. 1, 1 is a tollgate, 2 is an aisle, 3 is a vehicle, 4 is an approach road, 5 is a gate-shaped support that straddles the approach road 4, and 6 is a road-vehicle communication device installed on the support 5. , 7 are radio beams radiated from the road-vehicle communication device 6, and a range irradiated with the radio beam 7 is a radio communication area 8. Also, the approach path 4 is a support 5
The fork is bifurcated on the downstream side, one is a non-stop (ETC) lane 9, and the other is a stop lane 10.
The gate-shaped support 11 is installed at the entrance of the non-stop lane 9 so as to straddle the non-stop lane 9, and 12 is a guidance display installed on the support 11. In the stop lane 10, a toll booth 13 in which a toll collection member is resident is installed. In addition, a lane marker 14 is installed and a lane indicator 15 is displayed on the road in order to notify a driver of a vehicle entering the tollgate that the vehicle has branched into a nonstop lane and a stop lane.

FIG. 2 is a diagram showing connections of main devices and a signal system according to the first embodiment of the present invention. In FIG. 2, the vehicle 3 has an on-vehicle device 16 mounted thereon. In FIG.
Although a configuration in which the road-vehicle communication control device includes the antenna 17 is also possible, here, for simplicity, the antenna 17 is connected to the road-vehicle communication device 6 and the antenna cable 18.
It is assumed that they are connected by. The transmitting antenna 17a and the receiving antenna 17b, and the transmitting antenna cable 18a and the receiving antenna cable 18b are collectively referred to as the antenna 17 and the antenna cable 18b.
It is drawn as. The road-to-vehicle communication device 6 performs wireless communication with the vehicle-mounted device 16, and the communication result is sent to the display control device 20 via the data line 19. Also, the display control device 20
Is transmitted to the guidance display 12 via the data line 21.

FIG. 3 shows the internal configuration of the road-vehicle communication device 6. A communication control unit 22 built in the road-vehicle communication device 6 controls the road-vehicle communication.
2 and the transmission unit 23 and the reception unit 24 are connected by a data line 25. The data transmitted from the communication control unit 22 is modulated by the transmission unit 23 and then transmitted to the vehicle-mounted device via the antenna 17a. The radio wave transmitted from the vehicle-mounted device 16 is received by the antenna 17b, demodulated by the receiving unit 24, and sent to the communication control unit via the data line 25b. When the communication with the ETC vehicle is completed as a result of the road-vehicle communication, the ETC
The data of the license plate information of the vehicle is transferred from the communication control unit 22 to the interface conversion unit 27 via the data line 26, converted into the data format of the wire communication by the interface conversion unit 27, and displayed via the data line 19. It is sent to the control device 20.

FIG. 4 shows the internal configuration of the display control device 20. The license plate information sent from the road-to-vehicle communication device 6 is again signal-converted by the interface converter 28 and then transferred to the license plate information converter 30 via the data line 29. The license plate information conversion section 30 converts the data into a data format for displaying the license plate information on the guidance display 12. Immediately after the conversion, the license plate information converted by the license plate information conversion unit 30 is transferred to the guidance display 12 via the data line 31 and the signal synthesizer 32.

On the other hand, in FIG. 4, the display control device 20 incorporates a timer 33, and the license plate information converter 30 transmits license plate information and simultaneously transmits a trigger signal for starting the timer via the signal line 34a. . The timer 33 sends a signal for transmitting display update information to the display update information generating unit 35 via the signal line 34b after a certain time t1 has elapsed after receiving the trigger signal from the signal line 34a. The display update information generating unit 35 that has received the signal from the timer 33 transmits the display update information to the guidance display 12 via the data synthesizer 32 via the data line 36.

FIG. 5 shows the internal structure of the guidance display. License plate information from the display controller 20 is temporarily stored in the display controller 37 via the data line 21. The display control unit 37 transfers the license plate information to the storage unit 39a via the data line 38a. If there is license plate information stored in the storage unit 39a, the license plate information is sent to the storage unit 39b via the data line 38b, and if the storage unit 39b also stores the license plate information, the storage unit 39c sequentially sends the license plate information to the storage unit 39c. When the license plate information reaches the storage unit that does not store the license plate information, the license plate information is transmitted to the display board 42 by turning on the LED 41 via the data line 40.

On the other hand, when display update information is transferred from the display control device 20, the display control
Activate the counter 44 via. The counter 44 sends a signal to the storage unit 39 to update the display in the storage unit via the signal line 43b. When receiving a signal to update the display from the counter 44, the storage unit 39 transfers the license plate information stored so far to the upper storage unit one by one, and conversely, from the lower storage unit. The transferred license plate information is newly stored and displayed on the display board 42.
Switch the display of. For example, when the storage unit 39b receives a signal to update the display from the counter 44, the storage unit 39b transfers the license plate information stored so far to the upper storage unit 39a via the data line 38e and When the license plate information transmitted from the storage unit 39c via the data line 38d is received, the display is switched to the display. If the license plate information is not transferred from the lower storage unit, the LED 41 is turned off and the name is not displayed on the display board 42. In the uppermost storage unit 39a, update the display from the counter 44,
Is received, the license plate information stored so far is discarded, and the license plate information from the storage unit 39b is waited.

FIG. 6 is a display example in which license plate information is displayed on the guidance display 12. In the present invention, the license plate information of the ETC vehicle is displayed. For example, a vehicle on which license plate information is displayed, such as a license plate information display 46a, is displayed with a lane division display 45a indicating that the vehicle enters the non-stop lane, and a display 45b indicating that the other vehicles are temporarily directed to the stop lane. Are also displayed on the guidance display 12 together.

When an ETC vehicle continuously enters the tollgate 1, the display on the guidance display 12 is switched as shown in FIGS. 6, 7, and 8. As an example, the first car is an ETC car, and the information of the ETC car whose number is “Yokohama 33 4249” is displayed within a display time as shown at 46a in FIG.
The unit is also an ETC car, and the number is "Kawasaki 500a ...
A case will be described in which an ETC vehicle of "49" enters and ends communication with the road-to-vehicle communication device. In this case, license plate information of a plurality of ETC vehicles is displayed in the same order in which they entered the same guidance display 12 as shown at 46a and 46b in FIG. When the display time of the first ETC vehicle ends, the license plate information is switched to the license plate information of the subsequent ETC vehicle as indicated by 46b in FIG. By this display switching method, the license plate information of the ETC vehicle entering the tollgate can be sequentially displayed on the guidance display 12.

On the other hand, when a non-ETC vehicle enters tollgate 1, tollgate 1 performs the following operation. Road-vehicle communication device 6
There is no response from the vehicle 3 to the information request from
This vehicle is determined to be a non-ETC vehicle. Normally, the guidance display 12 displays a message 45b indicating that the non-ETC vehicle should enter the stop lane. Therefore, the driver of the vehicle whose license plate information is not displayed on the guidance display 12 stops temporarily. According to the display to enter the lane, the vehicle advances in the direction of arrow B in FIG. 1 and temporarily enters the stop lane 10, stops by the toll booth 13, and pays the toll.

A description will be given of a case where the road-vehicle communication device 6 cannot receive license plate information from the ETC vehicle due to a failure of the vehicle-mounted device or the road-vehicle communication device. In such a case,
No license plate information is displayed on the guidance display 12 and a display 45b indicating that the vehicle should enter the stop lane is displayed. Stop and pay.

Next, the display controller 20 and the guidance display 12
A description will be given of a case where the license plate information cannot be displayed due to a failure. In such a case, the license plate information of the vehicle is not displayed on the guidance display 12 because the display control device 20 and the guidance display 12 have failed even though the fee payment has been normally performed. The driver also causes the vehicle to enter the stop lane 10 once. The toll collection member resident at the toll booth 13 checks the vehicle-mounted device 16 of the vehicle to confirm whether or not the toll collection was correctly performed at this toll booth.

The case where the balance of the electronic money information recorded in the vehicle-mounted device 16 is insufficient will be described. In this case, the road-vehicle communication device 6 does not collect the toll. In this case, since the license plate information is not transmitted from the road-vehicle communication device 6 to the display control device 20, the license display device 12 does not display the license plate information. Accordingly, the driver of the vehicle temporarily enters the stop lane 10, stops at the side of the toll booth 13, and pays the toll.

FIG. 9 is an example showing the time for displaying the information of the traveling vehicle on the guidance display 12 in the first embodiment of the present invention. Take the time on the horizontal axis, 47a, 47
b and 47c show the display time of the guidance display 12 for the vehicles that have entered in order. The time indicated by the diagonal lines in FIG.
Is the time displayed. When the ETC vehicle has entered, the display is started when the communication between the road-vehicle communication device 6 and the vehicle-mounted device 16 ends. After that, after displaying the t1 license plate information for a certain period of time, the display of the vehicle is turned off and the information of the subsequent vehicle is switched. On the other hand, when a non-ETC vehicle enters, road-to-vehicle communication is not performed.
Nothing is displayed on the guidance display 12 as shown in FIG.

Embodiment 2 10, 11, 12,
FIG. 13 shows a second embodiment of the present invention.
In FIG. 10, 1 to 15 are equivalent to the first embodiment. In FIG. 10, the guidance display switching sensor 4 detects the entry of the vehicle on both sides of the non-stop lane 9 so as to sandwich the non-stop lane 9 in front of the guidance display 12.
8 is arranged.

FIG. 11 is a diagram showing connection of main devices and a signal system according to the second embodiment of the present invention. FIG.
, The vehicle 3 is equipped with the vehicle-mounted device 16. The road-to-vehicle communication device 6 performs wireless communication with the vehicle-mounted device 16, and the communication result is sent to the display control device 20 via the data line 19. A signal from the guidance display switching sensor 48 is transmitted to the display control device 20 via the signal line 49. As in the first embodiment, the display control device 20 transmits the display contents to the guidance display 12 via the data line 21.

FIG. 12 shows a display control device 2 according to the present invention.
0 shows the internal configuration. FIG. 4 of the first embodiment
Unlike the display control device 20, the display control device 20 does not include a timer, and the signal line 49 from the guidance display switching sensor 48 is connected to the display update information generation unit 35 in the display control device 20. The guidance display switching sensor 48a and the guidance display switching sensor 48b are provided so as to sandwich the road, and a vehicle detection beam 50 that detects that the vehicle has entered.
a is constantly being emitted from one of the guidance display switching sensors to the other, and on the receiving side of the vehicle detection beam,
By detecting a change in the intensity of the vehicle detection beam 50a, the approach of the vehicle can be detected. The guidance display switching sensor 48 that has detected the entry of the vehicle transmits a vehicle entry signal to the display update information generation unit 35. The display update information generation unit 35 transmits the display update information to the guidance display 12 via the data line 36 via the signal synthesizer 32 immediately after receiving the signal indicating the detection of the entry of the vehicle.

In the second embodiment, the operating principle of the road-vehicle communication device 6 and the guidance display 12 is exactly the same as that of the first embodiment.

In the present invention, when an ETC vehicle enters tollgate 1, tollgate 1 performs the following operation. In response to a communication request constantly issued from the road-vehicle communication device 6, the vehicle-mounted device 16 mounted on the vehicle 3 returns license plate information and electronic money information. The road-vehicle communication device 6 that has received the license plate information or the like transmits the license plate information to the display control device 20 via the data line 19. The display control device 20 that has received the license plate information transmitted from the road-vehicle communication device 6 transmits the license plate information of the ETC vehicle to the guidance display 12 via the data line 21. The first embodiment until the guidance display 12 guides the ETC vehicle to the non-stop lane 9 by displaying the license plate information transmitted from the display control device 20.
Performs the same operation as.

Further, in FIG. 10, when the vehicle 3 enters the non-stop lane 9 according to the display of the guidance display 12, the signal from the guidance display switching sensor 48 changes. That the vehicle has entered the vehicle.

That is, in FIG. 12, when the leading end of the vehicle 3 crosses the guidance display switching sensor 48, the signal on the signal line 49 connected from the guidance display switching sensor 48 to the display control device 20 becomes, for example, “0” → Changes to “1”. At this time, the display controller 20 controls the guidance display 12
Is switched to the license plate information of the following vehicle. When the vehicle crosses the guidance display switching sensor 48, the display update information is transmitted from the display update information generation unit 35 to the guidance display 12 in the display control device 20, so that the guidance display 12 updates the display of the license plate information. I do.

FIG. 13 is an example showing the time during which the information of the traveling vehicle is displayed on the guidance display 12 in the second embodiment of the present invention. Take the time on the horizontal axis, 47a,
47b and 47c show the display time of the guidance display 12 with respect to the vehicles that have entered in order. The time indicated by hatching in FIG. 13 is the time during which the license indicator information of the vehicle is displayed on the guidance display 12. When the ETC vehicle enters, the display is started when the communication between the road-vehicle communication device 6 and the vehicle-mounted device 16 is completed. Then, at the moment when the ETC vehicle enters the non-stop lane 9 and enters the guidance display switching sensor 48, the display of the vehicle is turned off and the display content is updated. On the other hand, if a non-ETC vehicle enters, no road-to-vehicle communication is performed, and nothing is displayed on the guidance display 12 as indicated by 47b.

Embodiment 3 FIG. 14, FIG. 15, FIG.
17 and 18 illustrate a third embodiment of the present invention. In FIG. 14, reference numerals 1 to 15 indicate the first embodiment.
And is equivalent to the second embodiment. Furthermore, near the support 5 on which the road-to-vehicle communication device 6 is installed, near the downstream boundary of the wireless communication area 8, an ETC vehicle determination sensor 51 for detecting a running vehicle so as to sandwich the approach road 4. Is installed. Also, unlike the second embodiment, the installation position of the guidance display switching sensor 52 is installed so that the approach road is located upstream just before branching into the non-stop lane 9 and the stop lane 10 temporarily. .

FIG. 15 is a diagram showing connection of main devices and a signal system according to Embodiment 3 of the present invention. FIG.
, The vehicle 3 is equipped with the vehicle-mounted device 16. The road-to-vehicle communication device 6 performs wireless communication with the vehicle-mounted device 16, and the communication result is sent to the display control device 20 via the data line 19. The ETC vehicle determination sensor 51 and the guidance display switching sensor 52 are connected via signal lines 53 and 54, respectively.
Both are connected to the display control device 20. As in the first and second embodiments, the display control device 20 transmits license plate information to the guidance display 12 via the data line 21.

FIG. 16 shows a display control device 20 according to the present invention.
2 shows the internal configuration of the device. The ETC vehicle determination sensor 51 and the guidance display switching sensor 52 are connected to the license plate information conversion unit 30 and the display update information generation unit 35 in the display control device 20 via signal lines 53 and 54, respectively. ETC vehicle determination sensor 5
The 1 and the guidance display switching sensor 52 continuously emit the vehicle detection beam from one side to the other. On the beam receiving sides 51a and 52a, the vehicle detection beam 50b
Further, by detecting a change in the intensity of the vehicle detection beam 50c, the approach of the vehicle can be detected. The ETC vehicle determination sensor 51 that has detected the entry of the vehicle transmits a signal of entry of the vehicle to the license plate information conversion unit 30. The guidance display switching sensor 52 that has detected the entry of the vehicle transmits a signal of the entry of the vehicle to the display update information generating unit 35.

In the license plate information conversion section 30, when the display control device 20 is initialized or immediately after the license plate information transferred from the road-to-vehicle communication device 5 is transferred to the guidance display 12, the license plate information initialization section is used. The license plate information storage unit of the license plate information conversion unit 30 is initialized based on the license plate information initialization signal sent from the signal line 55 via the signal line 56. When the license plate information transmitted from the road-vehicle communication device 6 is received, the license plate information storage unit in the license plate information conversion unit 30 is rewritten. When the license plate information from the road-vehicle communication device 6 is not received, the license plate information storage unit in the license plate information conversion unit 30 remains initialized.

When the vehicle is the ETC vehicle determination sensor 51,
, The signal on the signal line 53 connected from the ETC vehicle determination sensor 51 to the license plate information conversion unit 30 changes, for example, from “0” to “1”. At this time, the license plate information conversion unit 30
Transmits the license plate information or the initialization information stored in the license plate information initialization unit 55 to the guidance display 12 via the data line 31.

When the vehicle crosses the guidance display switching sensor 52, the display control unit 20 causes the display update information generation unit 3
Since the display update information is transmitted from 5 to the guidance display 12, the guidance display 12 updates the display of the license plate information.

Also in the third embodiment, the operating principle of the road-vehicle communication device 6 and the guidance display 12 is exactly the same as in the first embodiment.

In the present invention, when an ETC vehicle enters tollgate 1, tollgate 1 performs the following operation. In response to a communication request constantly issued from the road-to-vehicle communication device 6, license plate information and the like are returned from the vehicle-mounted device 16 mounted on the vehicle 3. The road-vehicle communication device 6 having received the license plate information and the like transmits the signal data line 19 to the display control device 20.
To send license plate information. The display control device 20 having received the license plate information transmitted from the road-vehicle communication device 6 transmits the guidance display 1 via the data line 19.
2 transmits the license plate information of the ETC vehicle. The guidance display 12 displays the license plate information transmitted from the display control device 20 to move the ETC vehicle to the non-stop lane 9.
The same operation as in the first embodiment is performed until the operation is guided to.

In the third embodiment, the ETC vehicle determination sensor 51 is used to determine whether an ETC vehicle has entered or a non-ETC vehicle has entered for each vehicle.

First, when an ETC vehicle enters in FIG. 14, the road-vehicle communication device 6 receives license plate information and the like from the vehicle-mounted device 16 as in the first and second embodiments. Since the ETC vehicle determination sensor 51 is installed near the boundary on the downstream side of the wireless communication area 8, when the ETC vehicle enters, after the road-to-vehicle communication device 6 and the vehicle-mounted device 16 perform wireless communication, the vehicle is switched to the ETC vehicle. It is detected by the determination sensor 51.

On the other hand, when a non-ETC vehicle enters, the road-to-vehicle communication device 6 does not perform wireless communication with the vehicle-mounted device, and
The entering vehicle can be detected by the ETC vehicle determination sensor 51.

Accordingly, after the vehicle-to-road communication with the road-to-vehicle communication device 6, the vehicle detected by the ETC vehicle determination sensor 51 is used by the ETC vehicle determination sensor 51 without communicating with the road-to-vehicle communication device 6. Non-ETC detected vehicles
It can be determined as a car.

In FIG. 11, information necessary for automatic toll collection including license plate information is recorded in a non-volatile memory in an on-vehicle device 16 mounted on the vehicle 3.
After the wireless communication is normally performed between the road-vehicle communication device 6 and the vehicle-mounted device 16, when the ETC vehicle determination sensor 51 detects the entry of the vehicle, the display control device 20 determines that the ETC vehicle has entered. I do. At this time, the display control device 20 transmits the license plate information of the ETC vehicle to the guidance display 12,
The guidance display 12 displays the license plate information transmitted from the display control device 20. On the other hand, when the non-ETC vehicle enters the tollgate, the road-vehicle communication device 6 and the vehicle-mounted device 1
6 without wireless communication between the ETC vehicle determination sensor 51
Is determined as a non-ETC vehicle.
At this time, the display control device 20 displays the non-E
It indicates that the TC vehicle has entered.

Thereafter, when the vehicle travels along the approach road 4 and the display control device 20 receives a signal indicating the entry of the vehicle from the guidance display switching sensor 52, the display control device 20 transmits the display update information to the guidance display 12. Send. The guidance display 12 that has received the display update information from the display control device 20 deletes the display of the vehicle and switches the display of the guidance display 12 to the information of the following vehicle.

In the third embodiment, unlike the second embodiment, since the guidance display switching sensor 52 is installed on the upstream side of the branch point of the approach road, the guidance display switching sensor 52 is an ETC vehicle and a non-ETC vehicle. To detect both.

FIG. 17 shows a display example of the guidance display 12 according to the third embodiment. Embodiment 1 and Embodiment 2
Unlike the third embodiment, in the third embodiment, the number and order of vehicles determined to be non-ETC vehicles can also be displayed on the guidance display 12 to notify the driver. According to the display, the driver enters the non-stop lane 9 for the ETC vehicle on which the license plate information is displayed, and temporarily enters the stop lane 10 for the non-ETC vehicle only indicating "non-ETC vehicle".

For example, in FIG. 17, the leading vehicle has the license plate information "Tama7" as indicated by 46c.
7 ... 42 "ETC vehicle. The second vehicle is a non-ETC vehicle indicated by 46d, the third vehicle is a non-ETC vehicle indicated by 46e, and the fourth vehicle is a non-ETC vehicle indicated by 46f. It is an ETC car. In this example, when the leading vehicle ("Tama 77 ... 42") is detected by the guidance display switching sensor 52, the following vehicle (non-ETC vehicle, non-ETC vehicle,
The display switches to only "Shonan 10ko 4249").
That is, the display of 46c disappears, and instead, 46d, 46d
e and 46f are displayed one by one. If the fifth vehicle is detected by the ETC vehicle determination sensor 51 before the leading vehicle is detected by the guidance display switching sensor 52, the information of the fifth vehicle is added and the guidance display 12 is displayed. indicate.

FIG. 18 is an example showing the time during which the information on the traveling vehicle is displayed on the guidance display 12 in the third embodiment of the present invention. Take the time on the horizontal axis, 47a,
Numerals 47b and 47c indicate the display times of the guidance display 12 with respect to the vehicles that have entered in order. The time indicated by the diagonal lines in FIG. 18 is the time during which the guidance display 12 displays the license plate information of the vehicle. When the ETC vehicle has entered, after the communication between the road-vehicle communication device 6 and the vehicle-mounted device 16 has been completed normally, the ETC vehicle determination sensor 51 outputs E to the vehicle.
The display is started at the moment when the TC vehicle enters, and the display is switched at the moment when the ETC vehicle enters the guidance display switching sensor 52.

Also, unlike Embodiments 1 and 2, when a non-ETC vehicle enters, the display is started at the moment the non-ETC vehicle enters the ETC vehicle determination sensor 51, and the non-ETC vehicle is started. Switches the display at the moment when the vehicle enters the guidance display switching sensor 52.

In the above embodiments, the toll collection system for toll roads has been described, but the present invention can be applied to, for example, a parking toll collection system.

[0053]

According to the present invention, ETC vehicles and non-ET vehicles
At a tollgate where vehicles C are mixedly traveling, confirmation and guidance of ETC vehicles can be performed.

According to the present invention, when communication between the road-vehicle communication device and the on-vehicle device is not normal, the ETC vehicle is guided to a lane other than the ETC lane. ETC with proper communication between
Only vehicles can be guided into the ETC lane.

[Brief description of the drawings]

FIG. 1 is a diagram for describing Embodiment 1 of the present invention.

FIG. 2 is a diagram for describing Embodiment 1 of the present invention.

FIG. 3 is a diagram for describing Embodiment 1 of the present invention.

FIG. 4 is a diagram for describing Embodiment 1 of the present invention.

FIG. 5 is a diagram for describing Embodiment 1 of the present invention.

FIG. 6 is a diagram for describing Embodiment 1 of the present invention.

FIG. 7 is a diagram for describing Embodiment 1 of the present invention.

FIG. 8 is a diagram for describing Embodiment 1 of the present invention.

FIG. 9 is a diagram for explaining the first embodiment of the present invention.

FIG. 10 is a diagram for describing Embodiment 2 of the present invention.

FIG. 11 is a diagram for describing Embodiment 2 of the present invention.

FIG. 12 is a diagram for describing Embodiment 2 of the present invention.

FIG. 13 is a diagram for describing Embodiment 2 of the present invention.

FIG. 14 is a diagram for describing Embodiment 3 of the present invention.

FIG. 15 is a diagram for describing Embodiment 3 of the present invention.

FIG. 16 is a diagram for describing Embodiment 3 of the present invention.

FIG. 17 is a diagram for describing Embodiment 3 of the present invention.

FIG. 18 is a diagram for describing Embodiment 3 of the present invention.

[Explanation of symbols]

1 toll booth, 3 vehicles, 4 approach roads, 5 supports, 6 road-to-vehicle communication device, 9 non-stop lane, 10 temporary stop lane, 11 supports, 12 guidance display, 13 toll booth, 16 on-board equipment, 17 Antenna, 18 antenna cable, 20 display control device, 22 communication control unit, 23 transmission unit, 24 reception unit, 27 interface conversion unit, 28
Interface conversion unit, 30 license plate information conversion unit, 32 signal synthesizer, 33 timer, 35 display update information generation unit, 37 display control unit, 39 storage unit, 41 L
ED, 42 display board, 44 counter, 48 guidance display switching sensor, 51 ETC vehicle determination sensor, 52 guidance display switching sensor, 55 license plate information initialization unit.

Claims (5)

[Claims] 1. An on-vehicle device mounted on a vehicle and having a function of transmitting information including license plate information of the vehicle, and information on toll collection between the on-vehicle device and the on-board device installed upstream of the tollgate. A road-to-vehicle communication device for wireless communication,
ET successfully communicated between the road-vehicle communication device and the on-board unit
And a guide display means for displaying license plate information of the ETC vehicle received by the road-to-vehicle communication device so as to guide the ETC vehicle to the ETC lane for the C vehicle. . 2. An on-vehicle device mounted on a vehicle and having a function of transmitting information including license plate information of the vehicle, and information on toll collection between the on-vehicle device and the toll booth installed upstream of the tollgate. A road-to-vehicle communication device for wireless communication,
If the communication between the road-vehicle communication device and the on-vehicle device is not normal, the ETC vehicle is provided with guidance display means for performing guidance display on a lane other than the ETC lane. 3. The road-to-vehicle communication device, when receiving license plate information from the vehicle-mounted device, sequentially displays the license plate information and the lane classification of the vehicle on the guidance display means, and guides the vehicle to the ETC lane. After a predetermined period of time has passed, the display of the license plate number of the vehicle is advanced from the guidance display means to the license plate information of the following vehicle and the lane division to be entered, thereby displaying the following vehicle. 2. The toll collection system according to claim 1, wherein 4. A detection means for detecting a vehicle traveling in an ETC lane, wherein the display of the license plate number of the vehicle is erased from the guidance display means based on the detection result of the detection means, and the license plate of a subsequent vehicle is deleted. The toll collection system according to claim 1 or 3, wherein a subsequent vehicle is guided by displaying the information and a lane section to be entered in advance. 5. An ETC vehicle determination sensor for determining whether or not the vehicle has been communicated with the road-to-vehicle communication device, wherein the wireless communication is not performed between the road-to-vehicle communication device and the vehicle-mounted device. The vehicle that enters the ETC vehicle determination sensor is determined to be a vehicle that does not have an on-board unit or has a failed on-board unit, and a display that guides the vehicle to a lane other than the ETC lane is displayed. Item 2. The toll collection system according to item 2.