JPH10222707A - Automatic charge receiving device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To surely perform charge receiving processing also without performing double processing by deciding a mobile station whether response data should be sent to a fixed ground station or not based on an identification code. SOLUTION: A fixed ground station sends an identification code 31 when a vehicle proceeds into a communicable area of a roadside antenna. A mobile station receives it, checks decision information that is stored after the last charge receiving processing with a ground station is finished and the code 31 that is received this time and decides whether response data 32 should be sent to a ground station 12 or not. When a stored tollgate number is different from a tollgate number 31a that is sent this time, the mobile station decides that the data 32 should be sent to the ground station, and a decision information storing part clears the last decision information that is held after the data 32 is sent and stores new decision information 33. When the same code 31 is sent from the ground station, because it is the same with the decision information 33 that is stored the last time, double charge receiving is prevented by not sending the data 32.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic toll collection apparatus for performing an automatic toll collection process by wireless communication between a fixed ground station installed on a roadside and a mobile station mounted on a vehicle or the like.

[0002]

2. Description of the Related Art A non-stop toll collection system using an automatic toll collection device of this type is disclosed in, for example, Japanese Patent Laid-Open No. 05-18.
No. 9954. FIG. 2 is a diagram showing an example of a device configuration of a non-stop automatic toll collection system to which the present invention is applied. FIG. It is a figure which shows the aspect of. The vehicle 11 equipped with the mobile station 5 shown in FIG.
, The mobile station 5 receives the identification code 21 including the toll gate number 21a and the transmission time 21b of the fixed ground station 12 (see FIG. 3). The mobile station 5 receives the identification code 2
1 and response data 2 based on the determination information comprising the tollgate number and the transmission time stored since the end of the previous communication process.
2 is determined. If you decide to send,
When the response data 22 is transmitted to the ground station 12 to collect the toll and it is determined that the transmission is not performed, the response data 22 is not transmitted, and therefore, the toll is not collected.

[0003] When the toll collection process is completed normally, determination information 23 used for communication with the next ground station is received from the ground station 12. Then, it clears the judgment information received at the time of the previous toll collection processing held so far, stores the newly transmitted judgment information 23 this time, and passes through the tollgate.

In the course of the communication process in this toll collection, a timer value is held in order to prevent double toll collection in the same tollgate. Specifically, when the time difference between the transmission time stored in the storage unit of the mobile station 5 by the previous process and the transmission time 21b received by the current process does not exceed the timer value, The mobile station 5 mounted on the base station 11 determines not to transmit the response data 22 based on the identification code 21 received from the fixed ground station 12 and the held determination information. That is, it is set so that the toll collection is not repeated many times when the vehicle 11 cannot move in the communicable area 4. On the other hand, when the vehicle passes through the same tollgate again after the elapse of the timer value, it is determined that the response data 22 should be transmitted.

[0005]

In the above-mentioned conventional mobile station 5 and ground station 12, depending on the setting of the timer value,
The following problems occur. That is, when the timer value held in the mobile station 5 is sufficiently long, for example, the vehicle 11 that has completed the toll collection process with the ground station 12 passes through the ground station 13 in the opposite lane at the same tollgate within the timer value time. If you do
The toll gate numbers 21a of the ground station 12 and the ground station 13 are the same. Therefore, the mobile station 5 does not transmit the response data 22,
The vehicle 11 passes without performing the toll collection process.

On the other hand, if the timer value is short, it is determined that the vehicle 11 has been stopped for a long time in the communicable area 4 between the fixed ground station 12 and the mobile station 5 due to a failure of the vehicle 11, that is, exceeding the timer value. Each time the timer set time is exceeded, the fee collection process is performed many times.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a fixed ground station installed on a road side such as a toll road so that a mobile station can reliably and double-process. It is to perform the toll collection processing without performing.

[0008]

SUMMARY OF THE INVENTION An automatic toll collection device according to the present invention automatically collects tolls by radio communication between a fixed ground station installed corresponding to a traffic lane of a tollgate and a mobile station mounted on a vehicle. In the automatic toll collection device, the fixed ground station includes a tollgate number of the own station, a transmission time indicating a time of performing wireless communication, information indicating a traveling direction of a traveling lane corresponding to the own station, and a unique An identification code storage unit that stores an identification code including an antenna number of the fixed ground station, the mobile station receives the identification code of the fixed ground station by wireless communication, and stores the identification code as determination information; A determination unit configured to determine whether to transmit response data based on the determination information stored in the information storage unit and the identification code received this time.

According to the automatic toll collection device of the present invention, the following operations and effects are provided. When a vehicle equipped with a mobile station enters an area where the fixed ground station and the mobile station can communicate with each other, the fixed ground station transmits its own tollgate number, transmission time indicating the time of wireless communication, and travel of the own station. Information indicating the traveling direction of the lane and an identification code including an antenna number unique to the own station are transmitted to the mobile station by wireless communication. The mobile station determines whether or not to transmit response data based on the received identification code and the previous identification code stored in the determination information storage unit.

For example, when the antenna number included in the previous identification code and the antenna number received this time are the same,
The determination means determines that the response data should not be transmitted.
Also, if the information indicating the traveling direction in the previous toll collection and the traveling direction received this time is different, it is determined that response data should be transmitted and transmitted. Further, when the toll collection process is performed in a predetermined order by two or more specific fixed ground stations, the response data is output when the identification code does not include an antenna number other than the fixed ground station to be subjected to the next communication process. It is determined that transmission should not be performed.

As described above, it is determined whether or not response data is transmitted from the mobile station to the ground station, including the transmission time, tollgate number, traveling direction, and antenna number in the identification code transmitted from the ground station to the mobile station. By using these pieces of information as conditions, even if the traveling direction is different at the same tollgate, reliable toll collection processing can be performed, and double toll collection processing from one vehicle can be prevented. .

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 shows a fixed ground station 12 and a mobile station 5 of an automatic toll collection device according to an embodiment of the present invention.
FIG. 2 is a diagram showing a process of a toll collection process between FIG.
FIG. 1 is a diagram illustrating an example of a device configuration of an automatic toll collection system to which the present invention is applied. In FIG. 2, 1 is a vehicle 11
, A roadside antenna, 3 an antenna controller for controlling the roadside antenna 2, and the roadside antenna 2 and the antenna controller 3 constitute a ground station 12. This ground station 12
Tollgate number 31a for identifying the own station from other ground stations,
Transmission time 31b, traveling direction 31c, antenna number 31d
Having an identification code storage unit that stores an identification code 31 including
When the toll collection process with the mobile station 5 is performed, the identification code 31 is transmitted to the mobile station 5.

Reference numeral 4 denotes an area where the ground station 12 and the mobile station 5 can communicate with each other, and adjacent communication areas 4 of different roadside antennas 2 do not overlap each other. Reference numeral 6 denotes a data processing device that performs data processing related to toll collection. Reference numeral 7 denotes an image pickup device for picking up an image of an unauthorized vehicle, etc.
Is a circuit breaker, 9 is a vehicle detection device for detecting the completion of passing of a vehicle, 10 is a display for a user including a signal for displaying a usage fee to the user and whether or not the vehicle can be started. Each is installed.

Reference numeral 5 denotes a mobile station of a fee payment system using a prepaid card or a credit card, and each mobile station receives and stores an identification code 31 of the ground station 12 by wireless communication. And a determination unit that determines whether or not the response data 32 should be transmitted based on the identification code at the time of previous charge collection stored in the determination information storage unit and the identification code 31 received this time.
The response data 32 includes, for example, an ID number 32a for checking the vehicle type and theft, and IC card information 32b for checking the usage balance and theft. In addition, the mobile station 5 holds a timer value for evaluating the difference between the communication time of the previous communication and the communication time of the current communication in order to prevent the same charge from being duplicated. This timer value is set sufficiently short as compared with the case of the conventional toll collection process.

The operation of the above embodiment will be described. In the nonstop automatic toll collection system shown in FIG. 2, when the vehicle detection device 1 detects the vehicle 11 and the vehicle 11 enters the communicable area 4 of the roadside antenna 2, the fixed ground station 12 identifies the identification code of the ground station 12. 31 is transmitted. The mobile station 5
The identification code 31 is received, and the judgment information received and stored after the end of the previous toll collection processing with the ground station and the identification code 31 received from the ground station 12 this time are checked. It is determined whether or not the response data 32 should be transmitted.

More specifically, the determination is made based on information indicated by the tollgate number 31a, the transmission time 31b, the traveling direction 31c, and the antenna number 31d included in the identification code 31. FIG.
In the case of the vehicle 11 that has traveled on the toll road as shown in FIG.
The tollgate number received as the determination information during the previous communication is stored in the determination information storage unit. Here, the stored toll gate number is different from the toll gate number 31a transmitted from the ground station 12 which performs the current communication.
Determines that the response data 32 should be transmitted to the ground station 12. Then, the determination information storage unit stores the response data 32
Is transmitted and the data transmission ends normally, the judgment information in the previous communication held up to that point is cleared, and new judgment information 33 transmitted from the ground station 12 is stored.

Next, after the toll collection process with the ground station 12 is completed, the vehicle 11 is brought into the communicable area 4 due to a failure or the like.
It is assumed that the vehicle has been stopped for a long time in In this case, the same identification code 31 is further transmitted from the ground station 12.
The mobile station 5 compares the traveling direction 31c, 33c and the antenna number 31d, 33d included in the identification code 31 received this time with the determination information 33 stored from the previous communication, respectively. As a result of the comparison, since the traveling direction and the antenna number are the same, it is determined that the response data 32 should not be transmitted, the determination information stored from the previous communication is continuously held, and the response data 32 is not transmitted. . Therefore, double toll collection can be reliably prevented.

Although not shown in FIG. 2, if the toll collection process is performed in a predetermined order by two specific ground stations in the same lane, the first ground station that has passed first and the next ground station have Because the antenna number of the second ground station that passes through is different, it is set not to perform communication with ground stations other than the second ground station that should perform communication processing after passing the first ground station Keep it. In this case, after passing through the first ground station, by comparing the antenna number 33d and the antenna number included in the second identification code,
It is possible to comply with the order of processing for toll collection. Also, in this case, even if the toll collection process is performed in a predetermined order by two or more specific ground stations, it is possible to comply with the toll collection process by making the same setting.

Further, for example, as shown in FIG. 2, it is assumed that the vehicle 11 enters a general road after completing the toll collection processing with the ground station 12, and then immediately enters the toll road from the reverse lane. In this case, when the vehicle 11 enters the communicable area of the ground station 13, the ground station 13 first transmits an identification code to the mobile station 5, similarly to the wireless communication with the ground station 12. The mobile station 5 compares the antenna number and the traveling direction included in the transmitted identification code with the traveling direction 33c and the antenna number 33d included in the held determination information,
It is recognized that the traveling directions 33c are different. Therefore, the mobile station 5 determines that the response data should be transmitted based on the certification.

As described above, the mobile station 5 has the toll gate number 31
In order to determine whether or not to transmit the response data 32 based on the identification code 31 including not only the transmission time 31b but also the traveling direction 31c and the antenna number 31d, the ground station having a different lane even in the same tollgate. It is possible to distinguish between a case where the vehicle has entered the vehicle and a case where the vehicle has entered the same ground station. Therefore, it is possible to reliably collect tolls even from vehicles 11 entering the same tollgate and different lanes. Further, it is possible to prevent double toll collection processing by the same ground station.

In this embodiment, a case has been described in which the timer value is set sufficiently short in the toll collection between the ground station 12 and the mobile station 5 and whether or not the response data of the mobile station 5 should be transmitted is determined. The present invention can be applied to a case where the determination is made only from the identification code 31 without using the timer value.

[0022]

As described above, according to the automatic toll collection device of the present invention, a mobile station transmits response data to a ground station based on an identification code including a transmission time, a tollgate number, a traveling direction, and an antenna number. By judging whether or not to do it, it is possible to perform reliable toll collection processing under all conditions,
It is also possible to prevent double toll collection processing from the same mobile station by the same ground station.

[Brief description of the drawings]

FIG. 1 is a process diagram of a toll collection process of an automatic toll collection device according to an embodiment of the present invention.

FIG. 2 is a device configuration diagram of a non-stop automatic toll collection system to which the present invention is applied.

FIG. 3 is a diagram showing a process of a toll collection process of a conventional automatic toll collection device.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 vehicle detection device 2 roadside antenna 3 antenna controller 4 communicable area 5 mobile station 6 data processing device 7 imaging device 8 breaker 9 vehicle detection device 10 user display device 11 vehicle 12, 13 ground station 31 identification code 32 response data 33 Judgment information

Claims (1)

[Claims] 1. An automatic toll collection device for performing automatic toll collection by wireless communication between a fixed ground station installed corresponding to a traveling lane of a tollgate and a mobile station mounted on a vehicle, wherein the fixed ground station comprises: Identification code storage for storing a tollgate number of the own station, a transmission time indicating a time of performing wireless communication, information indicating a traveling direction of a traveling lane corresponding to the own station, and an identification code including an antenna number unique to the own station. The mobile station receives the identification code of the fixed ground station by wireless communication, and stores a determination information storage unit as determination information, the determination information stored in the determination information storage unit and the current reception A determination unit for determining whether to transmit response data based on the identification code obtained.