JP5785356B2 - In-vehicle device for automatic toll collection system - Google Patents

Description

The present invention relates to an electronic toll collection (ETC: registered trademark) in-vehicle device mounted on a vehicle, that is, an in-vehicle device for an automatic toll collection system .

An automatic toll collection system (hereinafter referred to as “ETC: registered trademark”) installed at toll roads on expressways and other toll roads is equipped with an ETC on-board device (onboard device for an automatic toll collection system) installed in the vehicle , By making a fee settlement wirelessly with an ETC roadside machine (automatic toll collection system roadside machine) installed at a place, it is possible to pass through the tollgate without stopping (for example, Patent Document 1). The toll gate is provided with an ETC gate ( gate for automatic toll collection system), which opens when the fee is settled normally. However, if the ETC card (automatic fee collection system card) is not inserted or the fee payment is not normally performed due to a communication error or the like, the ETC gate is not opened. The vehicle speed when the vehicle enters the ETC gate is limited to 20 km / h or less so that the vehicle can stop immediately.

JP 2001-283269 A

  However, in order to check the vehicle speed, the driver must look at the speed meter. Because of the inconvenience, the driver enters the ETC gate at a speed exceeding the speed limit without checking the speed, and enters the ETC gate bar. May come into contact.

  The problem to be solved by the present invention is to provide an ETC in-vehicle device that allows the driver to easily recognize the vehicle speed in the vicinity of the ETC gate.

  In order to solve the above problems, an ETC in-vehicle apparatus of the present invention includes communication means capable of wireless communication with an ETC roadside device, display means for displaying information on a vehicle, and control means. When the communication with the aircraft is detected, a recognition signal that the vehicle is in the vicinity of the ETC gate is output to the control means. When the recognition signal is inputted, the control means presets the vehicle speed information input from the vehicle speed detection means. It has the function to display on a display means with the display form according to the vehicle speed of the several steps made.

  According to the present invention, since the driver can recognize the vehicle speed by a display form that is easier to recognize than the speed meter, the vehicle speed can be easily recognized even during driving. The display means is preferably installed at a position that falls within the field of view of the driver during driving. For example, “◯” is displayed when the vehicle speed is less than 5 km / h, “Δ” is displayed when the vehicle speed is less than 20 km / h from 5 km / h, and “X” is displayed when the vehicle speed is 20 km / h or more. In addition, as information on the vehicle, the display means that the distance between the vehicles is displayed on the display means at a place other than the vicinity of the ETC gate, and the display form according to the vehicle speed is displayed when the vehicle approaches the ETC gate. It is desirable to configure to switch automatically.

  In the above case, the display is switched according to the vehicle speed when the vehicle approaches the ETC gate. However, the display may be switched only when the ETC gate is not opened. That is, when the communication means communicates with the ETC roadside machine, and the ETC roadside machine transmits a signal indicating that the ETC gate cannot pass due to the ETC card not inserted or a communication error to the communication means, the communication means controls the signal. The control means is configured to switch the display according to the vehicle speed when the signal is input. The ETC vehicle-mounted device includes means for determining a communication error when communication with the ETC roadside device is impossible, and the means is configured to output an ETC gate pass-disable signal to the control means. As a result, the driver can easily recognize that the vehicle speed and the ETC gate do not open, so that the driver can stop without touching the ETC gate bar by decelerating in advance. If the car stops, the toll booth will go to the parked car and hand it over at the toll gate at the toll road entrance, or at the exit to read the driver's ETC card with a card reader. It can be carried out.

  In addition, an ETC vehicle-mounted device that can communicate with the ETC roadside device and a display device that displays information about the vehicle are provided. When the ETC vehicle-mounted device communicates with the ETC roadside device, the vehicle is near the ETC gate. A recognition signal is output to the display device, and when the recognition signal is input, the display device has a function of displaying the vehicle speed information input from the vehicle speed detection means in a display form corresponding to a plurality of preset vehicle speeds. The ETC on-board unit and the display device can be separated from each other. Even in this case, as described above, the display can be switched only when the ETC gate is not opened.

  Further, the vehicle speed information can be displayed in a display form color-coded according to the vehicle speeds at a plurality of stages, and an alarm means for outputting different alarm sounds preset according to the display form can be provided. As a result, the driver can more easily recognize the vehicle speed. For example, referring to the example described above as a color-coded display mode, a blue “◯” is indicated when the vehicle speed is less than 5 km / h, an orange “Δ” when the vehicle speed is less than 20 km / h and a red “×” when the vehicle speed is 20 km / h or more. indicate. Further, the alarm sound may be configured such that a continuous sound such as an alarm of a clock is shortened as the vehicle speed increases, or a warning is given by voice.

  According to the present invention, it is possible to provide an ETC in-vehicle device that allows a driver to easily recognize the vehicle speed in the vicinity of an ETC gate.

  Hereinafter, embodiments of the ETC in-vehicle apparatus of the present invention will be described. In the following description, the same functional parts are denoted by the same reference numerals, and redundant description is omitted.

  FIG. 1 is a block configuration diagram of an ETC vehicle-mounted device 4 and a display device 6 constituting the ETC vehicle-mounted device 2 of the present embodiment. As shown in FIG. 1, the ETC vehicle-mounted device 4 includes an antenna 10 capable of wireless communication with an ETC roadside device 8, a CPU 12, a communication unit 14 capable of communicating with a display device 6, an ETC card slot 16, and an ETC wireless unit. 18 and a wireless control unit 20. An ETC card 22 is inserted into the ETC card slot 16.

  The display device 6 according to the feature of the present embodiment includes a display unit 24 that displays information about a vehicle, a CPU 26, a communication unit 28, an alarm unit 30, a graphic driver 32, and an interface 34. The display means 24 is composed of a liquid crystal display, for example, and is driven by a graphic driver 32. The CPU 26 is configured as a control unit that controls each unit in the display device 6 and inputs and outputs various signals. Further, vehicle speed information such as a vehicle speed pulse is input from the vehicle speed detecting means 36 mounted on the vehicle via the interface 34. The communication means 28 is connected to the communication unit 14 of the ETC vehicle-mounted device 4 via a communication cable (not shown). The display device 6 is installed on the dashboard of the driver's seat.

  Next, the operation of this embodiment configured as described above will be described with reference to FIGS. FIG. 2 is a flowchart for switching the display of the display means 24 when the vehicle approaches the ETC gate, and FIG. 3 is an example of a vehicle speed display form displayed on the display means 24.

  When the vehicle is in a place other than the vicinity of the ETC gate, information on the vehicle such as an inter-vehicle distance is displayed on the display means 24 (step 1). When the vehicle approaches the ETC gate and the antenna 10 of the ETC vehicle-mounted device 4 receives a signal from the ETC roadside device 8, the signal is output to the CPU 12 via the ETC radio unit 18 and the radio control unit 20. The CPU 12 transmits the signal to the communication unit 28 of the display device 6 via the communication unit 14. The communication means 28 recognizes from the signal that the vehicle is near the ETC gate, and outputs the recognition signal to the CPU 26 (step 2).

  When the recognition signal is input, the CPU 26 takes in the vehicle speed information input from the vehicle speed detection means 36 via the interface 34 and displays the vehicle speed information on the display means 24 in a display form corresponding to the vehicle speed at each stage. At the same time, the alarm means 30 outputs a buzzer whose sound changes according to the vehicle speed at each stage. In this embodiment, the speed is divided into three stages: less than 5 km / h, 5 km / h to less than 20 km / h, and 20 km / h or more. When the vehicle speed is less than 5 km / h, the display form 24 is displayed in blue on the display means 24 and the buzzer 1 is output to the alarm means 30 (steps 3 and 4). When the vehicle speed is 5 km / h or more and less than 20 km / h, the display form 24 is displayed in orange on the display means 24 and the buzzer 2 is output to the alarm means 30 (steps 5 and 6). When the vehicle speed is 20 km / h or more, the display means 24 displays the display form of the graphic 40 in red, and the alarm means 30 outputs the buzzer 3 (step 7). The driver performs a brake operation as necessary based on the display on the display device 6 and the buzzer.

  As described above, according to the ETC in-vehicle device 2 of the present embodiment, the distance between the vehicles is displayed on the display means 24 at a place other than the vicinity of the ETC gate, and the vehicle speed depends on the vehicle speed when the vehicle approaches the ETC gate. Since the display form is displayed, the driver can easily recognize the vehicle speed even during driving by the display form, color, or sound that makes it easy to recognize the vehicle speed. As a result, safe driving can be performed and damage to the ETC gate bar can be avoided.

  A second embodiment will be described with reference to FIGS. The difference from the first embodiment is that the display unit 24 switches the display only when the vehicle approaches the ETC gate and receives a signal indicating that the ETC gate cannot pass from the ETC roadside device 8, and FIG. It is a flowchart in the case. In FIG. 4, steps A and B are added to the flowchart of FIG.

  In step A, in response to the signal from the ETC roadside device 8, the CPU 12 sends the information of the ETC card 22 captured from the ETC card slot 16 to the ETC roadside device 8 via the radio control unit 20 and the ETC radio unit 18. Send. When the information of the ETC card 22 can be normally received within a predetermined time, the ETC roadside device 8 sends a gate passable signal to the ETC on-board unit 4 and performs a fee settlement to open the ETC gate. At this time, if the ETC card 22 is not inserted, the information of the ETC card 22 is not transmitted to the ETC roadside device 8. When the ETC roadside device 8 cannot normally receive the signal within a predetermined time, the ETC roadside device 8 transmits a signal indicating that the ETC gate cannot pass through the antenna 10 to the ETC in-vehicle device 4. The signal indicating that the ETC gate cannot pass is output to the CPU 12 via the ETC radio unit 18 and the radio control unit 20, and the CPU 12 transmits the signal to the communication unit 28 of the display device 6 via the communication unit 14.

  In step B, the communication means 28 receives the ETC gate improper signal and outputs it to the CPU 26. Step 3 and subsequent steps are the same as those in the first embodiment except that the display is switched by an ETC gate inoperable signal instead of the above-described recognition signal.

  As described above, according to the ETC in-vehicle device 2 of the second embodiment, the communication unit 28 communicates with the ETC roadside device 8, and the ETC roadside device 8 transmits a signal indicating that the ETC gate cannot pass to the communication unit 28. When the communication means 28 outputs the signal to the CPU 26, and the CPU 26 is configured to switch the display according to the vehicle speed when the signal is input, the driver does not open the vehicle speed and the ETC gate. Therefore, it is possible to stop without touching the ETC gate bar by decelerating in advance.

  As described above, the ETC in-vehicle apparatus 2 of the present embodiment has been described, but the present invention is not limited to this embodiment, and can be applied by appropriately changing the configuration. For example, in the present embodiment, the ETC vehicle-mounted device 4 and the display device 6 are separated, but may be integrated.

  In the present embodiment, the sound is output in correspondence with the display form. However, only sound may be generated. Instead of the display device 6, it may be displayed on a navigation system and a vehicle meter mounted on the vehicle.

  Furthermore, in the present embodiment, the display is switched between when the vehicle is in a place other than the vicinity of the ETC gate and when the vehicle is in the vicinity of the ETC gate, but a plurality of displays may be performed simultaneously without switching the display.

It is a block block diagram of the display apparatus which comprises an ETC vehicle-mounted apparatus, and an ETC vehicle-mounted device. It is a flowchart in the case of switching the display of a display means when a vehicle approaches an ETC gate. It is an example of the display form of the vehicle speed displayed on a display means. It is a flowchart in the case of switching the display of the display means only when the vehicle approaches the ETC gate and receives a signal indicating that the ETC gate cannot pass from the ETC roadside machine.

Explanation of symbols

2 ETC in-vehicle device 4 ETC in-vehicle device 6 display device 8 ETC roadside device 24 display means 26 CPU
28 Communication means 30 Alarm means

Claims (4)

A communication means capable of wireless communication with a roadside device for an automatic toll collection system, a display means for displaying information on the vehicle, and a control means,
The communication means outputs a recognition signal to the control means that the vehicle is near the automatic toll collection system gate when detecting communication with the roadside machine for the automatic toll collection system,
The control means, the can and the recognition signal is inputted, performs communication with the previous SL toll collection system for road-side device via the communication means, the automatic toll collection system for the gate from the roadside machine the automatic toll collection system can that it has received the impassable signal, having a capacity machine to be displayed on said display means in the display form is color-coded in accordance with a plurality of stages of speed which is previously set vehicle speed information input from the vehicle speed detecting means In-vehicle device for automatic toll collection system. Oite to claim 1, wherein, in a location other than near the gate for toll collection system, the vehicle-mounted device for automatic toll collection system having a function of displaying the following distance on the display means. 3. The automatic vehicle according to claim 1 , wherein the vehicle speed information is displayed on a navigation system or a vehicle meter mounted on the vehicle in a display form color-coded according to the vehicle speeds of the plurality of stages. In-vehicle device for toll collection system. In any one of claims 1 to 3, the vehicle-mounted device for automatic toll collection system, characterized in that it comprises an alarm means for outputting a different alarm sound that is set in advance in accordance with the display form of the vehicle speed information.

Images