TWI526343B - Communication system, communication method, and vehicle-mounted device - Google Patents

Description

Communication system, communication method and vehicle-mounted device

The present invention relates to a communication system, a communication method, and a vehicle-mounted device, and the communication system includes: a vehicle-mounted device mounted on the vehicle; and a communication device that communicates with the vehicle-mounted device.

Priority is claimed on the basis of the patent application No. 2011-233102, filed on Jan. 24, 2011, the entire disclosure of which is incorporated herein.

In recent years, ITS (Intelligent Transport Systems), such as ECT (Electronic Toll Collection), is equipped with vehicles that carry DSRC (Dedicated Short Range Communications). increase.

The vehicle-mounted device mainly performs DSRC communication with the roadside device, that is, the beacon. Thereby, it is possible to receive road traffic information and charge treatment of toll roads.

However, it is difficult to set a beacon system in a fixed position like a toll gate of a toll road in a roadside parking lot or the like. Therefore, in order to charge a parking fee at a place where it is difficult to set a beacon, a mobile terminal communication device having the same performance as a beacon is required, and Patent Document 1 discloses a technique of such a communication device.

[Advanced technical literature] [Patent Literature]

[Patent Document 1] Japanese Patent Laid-Open Publication No. 2002-245501

However, in the case where power is not supplied to the vehicle-mounted device, there is a problem that communication with the vehicle-mounted device cannot be performed using the communication device disclosed in Patent Document 1. In particular, in the case where the vehicle is parked, since the power supply from the battery is normally cut off, power cannot be supplied to the vehicle-mounted device.

The present invention has been made in view of the above problems, and an object of the invention is to provide a communication system that enables an in-vehicle device that stops power supply from a vehicle to communicate with a communication device.

The present invention has been accomplished in order to solve the above problems.

(1) A communication system comprising: a vehicle-mounted device mounted on a vehicle; and a communication device that communicates with the vehicle-mounted device; and the communication device includes an output unit that outputs energy to the vehicle-mounted device And a vehicle information receiving unit that receives vehicle information, that is, vehicle information, from the vehicle-mounted device, wherein the vehicle-mounted device includes a communication circuit that communicates with the communication device, and a power conversion unit. Converting the energy supplied from the communication device into electric power and supplying the electric power to the communication circuit; the communication circuit of the vehicle-mounted device includes a vehicle information storage unit that is information of a vehicle on which the vehicle-mounted device is mounted, that is, The vehicle information non-volatile storage; and the vehicle information transmitting unit transmits the vehicle information stored in the vehicle information storage unit to the communication device.

(2) The communication system disclosed in the above (1), wherein the vehicle-mounted device has: a user interface circuit for inputting and outputting information between a user of the vehicle and the vehicle-mounted device; and a power supply unit for supplying power from a vehicle on which the vehicle-mounted device is mounted, and supplying the power to the power supply unit The user interface circuit and the communication circuit.

(3) The communication system disclosed in the above (2), wherein the communication circuit of the vehicle-mounted device includes: a communication storage unit that displays non-volatile storage of information that has been communicated with the communication device; and a communication recording unit; When the communication device is in communication with the communication device, the information stored in the information storage unit is rewritten to display information that has been communicated with the communication device; and the user interface circuit is in the communication storage unit. When the stored information indicates that communication with the communication device has been performed, the user is prompted with specific information.

(4) The communication system according to any one of (1) to (3) above, further comprising: a parking lot charging device that charges the fee generated by the parking time in the case where the vehicle is parked; and The parking lot charging device includes: a vehicle information obtaining unit that obtains vehicle information of the vehicle from the communication device; and a charging unit that is based on the time when the communication device receives vehicle information from the vehicle-mounted device and the vehicle information displayed by the vehicle information The time difference between the parking end time is calculated, and the vehicle displayed by the vehicle information described above is charged.

(5) The communication system according to (4) above, wherein the vehicle-mounted device includes a detecting unit that detects presence or absence of movement of a vehicle on which the vehicle-mounted device is mounted, and a charging unit of the parking lot charging device that detects the vehicle-mounted device The time when the vehicle movement is detected is used as the vehicle parking end time to calculate the above cost.

(6) The communication system according to any one of the above (1) to (5), wherein the communication circuit of the vehicle-mounted device includes: a program storage unit that stores a program for checking whether the vehicle-mounted device is abnormal; and an inspection target processing unit And the program execution unit is configured to execute a program stored in the program storage unit when the power conversion unit receives power supply, and an inspection result transmission unit. The result checked by the program execution unit is transmitted to the mobile terminal.

(7) The communication system according to any one of (1) to (6), wherein the output unit of the communication device outputs energy in a specific direction; and the vehicle information receiving unit outputs energy via the output unit. The direction has an directional antenna to receive the above vehicle information.

(8) A communication method characterized by using a communication system including a vehicle-mounted device mounted on a vehicle and a communication device that communicates with the vehicle-mounted device; and an output portion of the communication device outputs energy to the vehicle The power conversion unit of the vehicle-mounted device converts energy supplied from the communication device into electric power, and supplies the power to the communication circuit; the vehicle information transmitting unit of the communication circuit is stored in the vehicle information of the communication circuit And transmitting, by the vehicle information storage unit, information of the vehicle on which the vehicle-mounted device is mounted, that is, vehicle information, to the communication device; and the vehicle information receiving unit of the communication device receives and mounts the vehicle from the vehicle-mounted device Information about the vehicle, that is, vehicle information.

(9) A vehicle-mounted device characterized in that it is mounted on a vehicle and communicates with a communication device; and the system includes: a communication circuit, which is connected to the above The communication device performs communication; and the power conversion unit converts energy supplied from the communication device into electric power and supplies the electric power to the communication circuit; and the communication circuit of the vehicle-mounted device includes a vehicle information storage unit. The information of the vehicle on which the vehicle-mounted device is mounted, that is, the non-volatile storage of the vehicle information; and the vehicle information transmitting unit that transmits the vehicle information stored in the vehicle information storage unit to the communication device.

In the above aspect of the invention, the vehicle device outputs energy to the vehicle-mounted device, and the vehicle-mounted device converts the energy into electric power to activate the communication circuit. Thereby, the communication device can communicate with the vehicle-mounted device that stops the power supply from the vehicle.

(basic composition)

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

Fig. 1 is a block diagram showing the basic configuration of a communication system of the present invention.

The communication system includes an in-vehicle device 100 mounted on a vehicle, and a communication device 200 that communicates with the in-vehicle device 100. In addition, the vehicle-mounted device 100 and the communication device 200 perform DSRC communication.

The vehicle-mounted device 100 includes a main body casing 110 having a built-in computer system, and an antenna casing 120 having an antenna 121 built therein. The main body casing 110 is provided with a card insertion opening 111 that accepts insertion of a card C such as an ETC card. Further, on the surface of the antenna case 120, a photovoltaic cell 122 (power conversion unit) for converting the energy of the light L after the light is converted into electric power is provided. In addition, the body housing 110 and The antenna housing 120 is connected by electrical wiring that communicates power and information.

The housing 210 of the communication device 200 is provided with a light-emitting element 211 (output portion) that emits light L, an antenna 212 that transmits and receives radio waves, and a communication button 213 that starts to emit light by pressing a button. And communication with the vehicle-mounted device 100; the display 214, which displays information. Further, the light-emitting element 211 and the antenna 212 are provided at the upper end of the casing 210, and are oriented in the same direction as the directivity of the antenna 212 by the traveling direction of the light of the light-emitting element 211. Further, as the light-emitting element 211, an LED (Light Emitting Diode), a halogen lamp, an incandescent lamp, a laser light source, or the like can be used.

When the user pushes the upper end side of the casing 210 of the communication device 200 toward the antenna case 120 of the vehicle-mounted device 100, the start communication button 213 is pressed to irradiate the light L to the antenna case 120. Thereby, the photovoltaic cell 122 provided in the antenna housing 120 converts the energy of the light L to be converted into electric power, and supplies the electric power to the computer system and the antenna 121 of the vehicle-mounted device 100. Then, the computer system of the vehicle-mounted device 100 transmits the information of the vehicle on which the vehicle-mounted device is mounted, that is, the vehicle information, via the antenna 121. At this time, since the user faces the upper end side of the housing 210 of the communication device 200 toward the antenna housing 120 of the vehicle-mounted device 100, and the antenna 212 of the communication device 200 has directivity on the upper end side of the housing 210, the communication device 200 captures The vehicle information is received from the radio wave E irradiated by the antenna housing 120 of the vehicle-mounted device 100. Thereby, the communication device 200 and the vehicle-mounted device 100 can also communicate when the vehicle-mounted device 100 is not supplied with power from the vehicle.

Fig. 2 is a diagram showing the distribution of power supply in the vehicle-mounted device 100 of the communication system of the present invention.

The vehicle-mounted device 100 includes a ROM 131 (Read Only Memory), a CPU 132 (Central Processing Unit), and a RAM 133 (Random Access Memory) in addition to the antenna 121. Components such as flash memory 134 (vehicle information storage unit), DSRC communication unit 135 (vehicle information communication unit), input device 136, and speaker 137. Further, the ROM 131 is a non-volatile memory in which information cannot be rewritably stored, and stores programs and the like which are executed by the CPU 132. Further, the RAM 133 is a volatile memory that functions as a main storage device, and stores variables such as those used by the program being executed by the CPU 132. In addition, the flash memory 134 is a non-volatile memory that can rewritably store information, and stores rewritable parameters such as vehicle information.

When the vehicle 100 is supplied with electric power from the vehicle, the electric power is supplied to the power supply unit 138 of the vehicle-mounted device 100 system, and the electric power is supplied to all the components included in the vehicle-mounted device 100. On the other hand, since the electric power obtained by converting the energy of the light irradiated from the communication device 200 by the photovoltaic cell 122 is smaller than the electric power supplied from the vehicle, it is not preferable to supply electric power to all the components. Therefore, the photovoltaic cell 122 is a component of the vehicle-mounted device 100, and the antenna 121, the ROM 131, the CPU 132, the RAM 133, the flash memory 134, the DSRC communication unit 135, and the like are provided with components for communication with the communication device 200. The communication circuit supplies power; and the input device 136, the speaker 137, and the like provide a UI circuit that functions as a UI (User Interface) for inputting and outputting information between the user and the vehicle-mounted device. Supply electricity.

Moreover, when the photovoltaic cell 122 is supplied with electric power, the CPU 132 operates. In the program stored in the ROM 131, the amount of power consumption is suppressed by executing only a program for communication with the communication device 200.

Further, in the above-described basic configuration, the light-emitting element 211 is exemplified as an output portion of the output energy, and the photovoltaic cell 122 is exemplified as an example of the power conversion unit. However, the present invention is not limited thereto, and other combinations may be used. For example, in the case where the energy of the radio wave is used as the energy, as the combination of the output unit and the power conversion unit, an antenna for transmitting and receiving can be used. Further, for example, when energy of a magnetic field is used as energy, a transmitting/receiving coil can be used as a combination of an output unit and a power conversion unit.

Hereinafter, a communication system having the above-described basic configuration will be specifically described as an embodiment of a service.

(First embodiment)

First, as a first embodiment of the present invention, an embodiment in which a communication system according to an aspect of the present invention is applied to a parking lot charging system will be described.

The parking lot charging system of the present embodiment is a parking lot charging system installed in a toll area which is a toll collection target. In addition, when charging with this parking lot charging system, in order to avoid double charges, it is necessary to stop the toll fee.

At this time, the parking lot is installed on the roadside of the road in the toll area, and it is difficult to determine whether the vehicle is parked in the on-street parking lot or on the road. In such a case, by using the communication system of the present invention, the switching of the charge can be appropriately performed.

Figure 3 is a diagram showing a parking lot charging system using the first embodiment of the present invention. A schematic block diagram of the composition.

The parking lot charging system includes a vehicle-mounted device 100, a communication device 200, and a parking lot charging device 300. In addition, the vehicle-mounted device 100 is a device owned by the owner of the vehicle, and the communication device 200 and the parking lot charging device 300 are devices owned by the administrator of the parking lot. Further, the vehicle-mounted device 100 and the communication device 200 according to the first embodiment are among the basic constituents described above, and the components of the parking lot charging system are added.

The vehicle-mounted device 100 includes a vehicle information storage unit 141 (one storage area of the flash memory 134) for storing vehicle information of the vehicle on which the vehicle-mounted device is mounted, and a DSRC communication unit 135 via the antenna 121 and the communication device 200. The charging mode management unit 142 manages the charging mode area charging or the parking lot charging for the vehicle on which the vehicle-mounted device is mounted, and the detecting unit 143 detects whether the vehicle on which the vehicle-mounted device is mounted is moving; and the moving body communication unit 144. It communicates via a mobile communication network such as a PHS (Personal Handy-phone System) or a mobile phone network. Further, as the detecting unit 143, for example, a GPS (Global Positioning System), an acceleration sensor, a gyro sensor, or the like can be used.

The communication device 200 includes a DSRC communication unit 221 that communicates with the vehicle-mounted device 100 via the antenna 212 after pressing the start communication button 213, and a wireless LAN communication unit 222 that is via a wireless LAN (Local Area Network). Road) communicates with the parking lot charging device 300.

The parking lot charging device 300 includes a communication unit 301 that communicates with the communication device 200 and the vehicle-mounted device 100 via a network such as a LAN or the Internet; And the charging unit 302, which charges the vehicle parked in the parking lot.

Fig. 4 is a flow chart showing the operation of the parking lot charging system according to the first embodiment of the present invention.

If the vehicle equipped with the vehicle-mounted device 100 is parked in an on-street parking lot, the vehicle owner usually stops the vehicle engine. Therefore, the supply of electric power from the vehicle to the vehicle-mounted device 100 is stopped. At this time, the detecting unit 143 of the vehicle-mounted device 100 detects that the vehicle on which the vehicle-mounted device is mounted is parked, and records the current time as the parking time in the vehicle information storage unit 141.

Then, in order to start charging the parking lot, the parking lot controller approaches the vehicle, and the upper end side of the communication device 200 faces the antenna housing 120 of the vehicle-mounted device 100, and presses the start communication button 213.

When the manager of the parking lot presses the start communication button 213, the light-emitting element 211 of the communication device 200 starts to emit light toward the antenna housing 120 of the vehicle-mounted device 100 (step S1). The photovoltaic cell 122 of the vehicle-mounted device 100 converts the light energy emitted from the communication device 200 into electric power, and starts the computer system by the electric power (step S2). At this time, the photovoltaic cell 122 supplies power to at least the components constituting the vehicle information storage unit 141, the DSRC communication unit 135, and the charge mode management unit 142. On the other hand, the photovoltaic cell 122 does not supply electric power to constituent elements constituting the detecting unit 143 and the moving body communication unit 144.

When the manager of the parking lot presses the start communication button 213, the DSRC communication unit 221 of the communication device 200 transmits a vehicle information request requesting to transmit the vehicle information and the parking time via the antenna 212, and transmits the DSRC to the vehicle-mounted device 100 (step S3). . The DSRC communication unit 135 of the vehicle-mounted device 100 passes through an antenna When receiving the vehicle information request from the communication device 200, the vehicle information stored in the vehicle information storage unit 141 and the parking time are transmitted to the communication device 200 (step S4). Further, at this time, the charge mode management unit 142 of the vehicle-mounted device 100 recognizes that the charge mode of the vehicle on which the vehicle-mounted device is mounted has been switched to the parking lot charge (step S5).

The DSRC communication unit 221 of the communication device 200 receives the vehicle information and the parking time from the vehicle-mounted device 100 via the antenna 212, and the wireless LAN communication unit 222 transmits the vehicle information and the parking time received by the DSRC communication unit 221 to the parking lot by using the wireless LAN. The charging device 300 (step S6). In addition, upon completion of the reception of the vehicle information and the parking time from the vehicle-mounted device 100, the display 214 of the communication device 200 displays the message that the vehicle information and the reception of the parking time have been completed. By displaying the receipt of the completed message, the manager of the parking lot can recognize that the communication with the vehicle-mounted device 100 has ended, and release the start communication button 213.

The communication unit 301 of the parking lot charging device 300 obtains the vehicle information and the parking time from the communication device 200 via the wireless LAN, and determines the received parking time as the charging start time (step S7). At this time, it is preferable that the parking lot charging device 300 transmits the vehicle information to the area charging device (not shown) that charges the vehicle for the area, and notifies the vehicle that the vehicle information is displayed that the parking lot charge has started. Therefore, the regional charging device can stop the regional charging of the vehicle.

Then, when the parking of the vehicle is completed, the vehicle owner starts the vehicle engine, and the vehicle starts to supply electric power to the vehicle-mounted device 100. Thereby, in addition to the vehicle information storage unit 141, the DSRC communication unit 135, and the charging mode management unit 142 Further, the detecting unit 143 of the vehicle-mounted device 100 and the moving body communication unit 144 are also activated.

If the owner of the vehicle starts driving the vehicle, the detecting unit 143 detects the movement of the vehicle (step S8). Next, the mobile communication unit 144 transmits the message detected by the detection unit 143 and the vehicle information stored in the vehicle information storage unit 141 to the parking lot charging device 300 (step S9). Further, at this time, the charging mode management unit 142 of the vehicle-mounted device 100 recognizes that the charging mode of the vehicle on which the vehicle-mounted device is mounted has been switched to the regional charging (step S10).

The communication unit 301 of the parking lot charging device 300 receives the message that the vehicle starts moving and the vehicle information from the vehicle-mounted device 100 via the Internet, and the charging unit 302 determines the current time for the parking lot to be charged for the vehicle displayed on the vehicle information. (Step S11).

Then, the charging unit 302 calculates a fee based on the start charging time determined in step S7 and the charging end time determined in step S11, and performs parking charge processing on the vehicle (step S12). At this time, it is desirable that the parking lot charging device 300 transmits the vehicle information to the area charging device, and notifies the message that the parking lot charge of the vehicle displayed on the vehicle information has ended.

Thereby, the regional charging device can start to perform regional charging for the vehicle.

Thus, by adapting the communication system of the present invention to a parking lot charging system, it becomes unnecessary to communicate with the vehicle-mounted device 100 before stopping the vehicle engine.

Further, in the present embodiment, the case where the parking lot charging device 300 performs the charging process has been described. However, the present invention is not limited thereto, and the vehicle-mounted device 100 may be configured to perform charging processing.

(Second embodiment)

Next, as a second embodiment of the present invention, an embodiment in which a communication system according to another aspect of the present invention is applied to an illegal parking prohibition system will be described.

The illegal parking prohibition system of the present embodiment is a system for notifying the information of illegally parked vehicles to the illegal parking prohibition device 400. In addition, the vehicle-mounted device 100 mounted on the notified illegal parking vehicle notifies the user of the vehicle of the notification message. At this time, since the vehicle is in the parking state, the engine is normally stopped, and the vehicle-mounted device 100 is not supplied with electric power. Therefore, there are many vehicle-mounted devices 100 that have stopped operating. At this time, by using the communication system of the present invention, vehicle information can be obtained from the vehicle-mounted device 100 that has stopped operating.

Fig. 5 is a schematic block diagram showing the configuration of an illegal parking prohibition system according to a second embodiment of the present invention.

The illegal parking system includes a vehicle-mounted device 100, a communication device 200, and an illegal parking prohibition device 400. In addition, the vehicle-mounted device 100 is a device owned by the owner of the vehicle, and the communication device 200 and the illegal parking-ban device 400 are devices owned by the police station. Further, in the vehicle-mounted device 100 and the communication device 200 of the second embodiment, among the above-described basic components, the components of the illegal parking prohibition system are added.

The vehicle-mounted device 100 includes a vehicle information storage unit 141 that stores vehicle information of a vehicle on which the vehicle-mounted device is mounted, a DSRC communication unit 135 that communicates with the communication device 200 via an antenna 121, and a communication recording unit 151 that Whether it has communicated with the communication device 200, recorded in the communication storage unit 152; the communication storage unit 152 (one storage area of the flash memory 134), which will display whether or not the information has been communicated with the communication device 200. And the notification unit 153 notifies the notified message from the speaker 137 when the power is supplied from the power supply unit 138 when the communication device 200 is already in communication.

The communication device 200 includes a DSRC communication unit 221 that communicates with the vehicle-mounted device 100 via the antenna 212 after pressing the start communication button 213, and a wireless LAN communication unit 222 that transmits the illegal parking-stop device 400 via the wireless LAN. Communicate.

The illegal parking prohibition device 400 includes a communication unit 401 that communicates with the communication device 200 via a wireless LAN, and an banned unit 402 that bans the illegally parked vehicle.

Fig. 6 is a flow chart showing the operation of the illegal parking prohibition system according to the second embodiment of the present invention.

If the vehicle equipped with the vehicle-mounted device 100 is parked, the owner of the vehicle usually stops the engine of the vehicle. Therefore, the supply of electric power from the vehicle to the vehicle-mounted device 100 is stopped. In the case that the parking is illegal parking, the illegal parking prohibiting personnel in order to ban the vehicle, the handheld communication device 200 approaches the vehicle, and the upper end side of the communication device 200 faces the antenna housing 120 of the vehicle-mounted device 100, and presses to start communication. Button 213.

When the squadron presses the start communication button 213, the light-emitting element 211 of the communication device 200 starts to emit light toward the antenna housing 120 of the vehicle-mounted device 100 (step S21). The photovoltaic cell 122 of the vehicle-mounted device 100 converts the light energy emitted from the communication device 200 into electric power, and starts the computer system using the electric power (step S22). At this time, the photocell 122 supplies power to at least the vehicle information storage unit 141, the DSRC communication unit 135, the communication recording unit 151, and the communication storage unit. The constituent elements of 152. Further, the photovoltaic cell 122 does not supply electric power to the constituent elements constituting the notification unit 153.

When the button presser starts the communication button 213, the DSRC communication unit 221 of the communication device 200 transmits the vehicle information request DSRC requesting the transmission of the vehicle information to the vehicle-mounted device 100 via the antenna 212 (step S23). The DSRC communication unit 135 of the vehicle-mounted device 100 receives the vehicle information request from the communication device 200 via the antenna 121, and the vehicle information storage unit 141 transmits the stored vehicle information to the communication device 200 (step S24). Further, at this time, the communication recording unit 151 of the vehicle-mounted device 100 records the information that has been communicated with the communication device 200 in the communication storage unit 152 (step S25).

The DSRC communication unit 221 of the communication device 200 receives the vehicle information from the vehicle-mounted device 100 via the antenna 212, and the wireless LAN communication unit 222 transmits the vehicle information received by the DSRC communication unit 221 to the illegal parking ban device 400 by using the wireless LAN (step S26). Moreover, after the vehicle information reception from the vehicle-mounted device 100 is completed, the display 214 of the communication device 200 displays a message that the reception of the vehicle information has been completed. By displaying that the received message has been completed, the banned person can recognize that the communication with the vehicle-mounted device 100 has ended, and release the start of the communication button 213.

The communication unit 401 of the illegal parking device 400 obtains vehicle information from the communication device 200 via the wireless LAN, and the banning unit 402 performs a ban on the vehicle displayed on the vehicle information (step S27).

Then, when the parking of the vehicle is completed, the vehicle owner starts the vehicle engine, and the vehicle starts to supply electric power to the vehicle-mounted device 100 (step S28). Thereby, in addition to the vehicle information storage unit 141, the DSRC communication unit 135, and the communication storage unit In addition to the communication storage unit 152 and the communication storage unit 152, the notification unit 153 is also activated.

The notification unit 153 determines whether or not the communication storage unit 152 stores information indicating that communication with the communication device 200 is performed (step S29). When the notification unit 153 stores the information indicating that the communication with the communication device 200 is displayed (step S29: YSE), the notification unit 153 notifies the owner of the vehicle that the illegal parking has been notified via the speaker 137 (step S30).

On the other hand, the communication storage unit 152 determines that the information indicating that communication with the communication device 200 is displayed is not stored (step S29: NO), and the notification unit 153 ends the processing without notification.

Thus, by applying the communication system of the present invention to the illegal parking ban system, the banned person can obtain vehicle information from the vehicle-mounted device 100 that is not supplied with power from the vehicle, and notify the illegal parking.

(Embodiment 3)

Next, an embodiment in which the operation of the vehicle-mounted device 100 is collectively executed when the information of the vehicle-mounted device 100 is obtained in the first embodiment and the second embodiment will be described.

Fig. 7 is a schematic block diagram showing the configuration of an inspection system according to a third embodiment of the present invention.

The inspection system includes a vehicle-mounted device 100 and a communication device 200. Further, in the vehicle-mounted device 100 and the communication device 200 according to the third embodiment, the components of the inspection system are added to the first embodiment or the second embodiment.

In addition to the configuration of the first embodiment or the second embodiment, the vehicle-mounted device 100 further includes a program storage unit 161 (one storage area of the ROM) that stores an inspection program, and a program execution unit 162 that executes the program storage unit 161. The stored program storage unit 163 (one storage area of the flash memory 134) that causes the program execution unit 162 to perform non-volatile storage of the inspection result of the inspection program; and the inspection result notification unit 164, which is attached to In the case of communication with the communication device 200, when the power is supplied from the power supply unit 138, the result of the inspection is notified from the speaker 137.

Fig. 8 is a flow chart showing the operation of the inspection system according to the third embodiment of the present invention.

In the first embodiment and the second embodiment, the start communication button 213 of the communication device 200 is pressed, and if the DSRC communication unit 221 of the communication device 200 receives the vehicle information from the vehicle-mounted device 100 in the above step S4 or step S24, the DSRC The communication unit 221 transmits a check request for execution of the request check program to the vehicle-mounted device 100 (step S31).

The DSRC communication unit 135 of the vehicle-mounted device 100 receives the inspection request from the communication device 200 via the antenna 121, and the program execution unit 162 reads and executes the inspection program stored in the program storage unit 161 (step S32). For example, by executing the inspection program, the program execution unit 162 checks whether or not the signal from the various sensors (inspection target processing unit) in the vehicle-mounted device 100 can be transmitted or received without abnormality.

Upon completion of the check by the program execution unit 162, the DSRC communication unit 135 transmits the check result to the communication device 200 (step S33). The communication device 200 receives the vehicle information from the vehicle-mounted device 100 via the antenna 212, and displays the received inspection result on the display 214. At this time, in the case where the vehicle-mounted device 100 displays the inspection result indicating the illegal modification, the information may be transmitted to the center, and the center may perform the illegal traffic processing as needed.

Further, when the program execution unit 162 completes the inspection, the inspection result is recorded in The result storage unit 163 is checked (step S34).

Then, when the parking of the vehicle is completed, the vehicle owner starts the vehicle engine, and the vehicle starts to supply electric power to the vehicle-mounted device 100 (step S35). Thereby, the inspection result notification unit 164 is activated.

The inspection result notification unit 164 reads the inspection result stored in the inspection result storage unit 163, and notifies the vehicle owner of the inspection result via the speaker 137 (step S36).

As described above, by using the communication system of the present invention, the operation check can be performed in the vehicle-mounted device 100 that does not supply power from the vehicle.

The embodiment of the present invention has been described in detail above with reference to the drawings. However, the specific configuration is not limited to the above, and various modifications can be made without departing from the spirit and scope of the invention.

For example, in the above-described basic configuration, the vehicle-mounted device 100 has been described as being of a separate type constituted by the main body casing 110 and the antenna casing 120. However, the present invention is not limited thereto, and the main body and the antenna may be used. The composition of one body.

Further, in the above-described basic configuration, the case where the CPU 132 is activated to execute a specific program when the vehicle-mounted device 100 communicates with the communication device 200 has been described, but the present invention is not limited thereto.

For example, in the case where the vehicle-mounted device 100 is provided with a microprocessor dedicated to DSRC communication, the photovoltaic cell 122 may not supply power to the ROM 131, the RAM 133, and the CPU 132, but to the antenna 121, the DSRC communication unit 135, the flash memory 134, and the micro The processor supplies power. That is, the photovoltaic cell 122 supplies power to the minimum circuit required to communicate with the communication device 200.

The inside of the vehicle-mounted device 100 and the communication device 200 described above have a computer system. Further, the operation of each of the processing units described above is stored in a recording medium that can be read by a computer in a program format, and the program is read and executed by a computer to perform the above processing. At this time, the recording medium readable by the computer refers to a magnetic disk, a compact disk, a CD-ROM, a DVD-ROM, a semiconductor memory, and the like. Alternatively, the computer program can be transmitted to the computer by means of a communication line, and the program can be executed by the computer receiving the transmission.

In addition, the above program may also be part of the above-mentioned functions.

In addition, it can also be realized by combining the above functions with a program already recorded in the computer, that is, a so-called differential file (differential program).

[Industrial availability]

DSRC communication is possible even for vehicles that have been parked, and can be applied to charges for receiving or parking fees for road traffic conditions.

100‧‧‧Vehicle

110‧‧‧ body shell

111‧‧‧ card insertion slot

120‧‧‧Antenna housing

121‧‧‧Antenna

122‧‧‧Photocell

131‧‧‧ROM

132‧‧‧CPU

133‧‧‧RAM

134‧‧‧Flash memory

135‧‧‧DSRC Communications Department

136‧‧‧ input device

137‧‧‧Speaker

138‧‧‧Power Supply Department

141‧‧ Vehicle Information Storage Department

142‧‧‧Charging Mode Management Department

143‧‧‧Detection Department

144‧‧‧Mobile Communications Department

151‧‧‧Communication Recording Department

152‧‧‧Communication Storage Department

153‧‧ Notice Department

161‧‧‧Program Storage Department

162‧‧‧Program execution department

163‧‧‧Check result storage

164‧‧‧Check result notification department

200‧‧‧Communication device

210‧‧‧Shell

211‧‧‧Lighting elements

212‧‧‧Antenna

213‧‧‧Start communication button

214‧‧‧ display

221‧‧‧DSRC Communications Department

222‧‧‧Wireless LAN Communication Department

300‧‧‧Parking Charger

301‧‧‧Communication Department

302‧‧ ‧ Fee Department

400‧‧‧Illegal parking ban device

401‧‧‧Communication Department

402‧‧‧Boundary Department

C‧‧‧ card

E‧‧‧ radio waves

L‧‧‧Light

Fig. 1 is a block diagram showing the basic configuration of a communication system of the present invention.

Fig. 2 is a view showing the distribution of power supply of the vehicle-mounted device of the communication system of the present invention.

Fig. 3 is a schematic block diagram showing the configuration of a parking lot charging system according to a first embodiment of the present invention.

Fig. 4 is a flow chart showing the operation of the parking lot charging system according to the first embodiment of the present invention.

Fig. 5 is a schematic block diagram showing the configuration of an illegal parking prohibition system according to a second embodiment of the present invention.

Figure 6 is a diagram showing an illegal parking suspension system according to a second embodiment of the present invention. The flow chart of the action.

Fig. 7 is a schematic block diagram showing the configuration of an inspection system according to a third embodiment of the present invention.

Fig. 8 is a flow chart showing the operation of the inspection system according to the third embodiment of the present invention.

100‧‧‧Vehicle

110‧‧‧ body shell

111‧‧‧ card insertion slot

120‧‧‧Antenna housing

122‧‧‧Photocell

200‧‧‧Communication device

210‧‧‧Shell

211‧‧‧Lighting elements

212‧‧‧Antenna

213‧‧‧Start communication button

214‧‧‧ display

C‧‧‧ card

E‧‧‧ radio waves

L‧‧‧Light

Claims (13)

A communication system comprising: a vehicle mounted on a vehicle; and a communication device that communicates with the vehicle-mounted device; the communication device includes: an output unit that outputs energy to the vehicle-mounted device; and a vehicle The information receiving unit receives, from the vehicle-mounted device, information of a vehicle on which the vehicle-mounted device is mounted, that is, vehicle information; the vehicle-mounted device includes: a communication circuit that communicates with the communication device; and a power conversion unit that The energy supplied from the communication device is converted into electric power, and when the power supply from the vehicle is stopped, the electric power is supplied to the communication circuit; the communication circuit of the vehicle-mounted device includes a vehicle information storage unit that is to be mounted The vehicle information of the vehicle-mounted device is non-volatile storage of vehicle information; and the vehicle information transmitting unit transmits the vehicle information stored in the vehicle information storage unit to the communication device. The communication system of claim 1, wherein the vehicle-mounted device comprises: a user interface circuit for inputting and outputting information between a user of the vehicle and the vehicle-mounted device; and a power supply unit receiving the above The electric power is supplied from the vehicle of the vehicle-mounted device, and the electric power is supplied to the user interface circuit and the communication circuit. The communication system of claim 2, wherein the communication circuit of the vehicle-mounted device The method includes: a communication storage unit that displays non-volatile storage of information that has communicated with the communication device; and a communication recording unit that connects the communication storage unit when the communication device is already in communication The stored information is rewritten to display information that has been communicated with the communication device; and the user interface circuit indicates to the user that the information stored in the communication storage unit is in communication with the communication device. News. The communication system of claim 1, further comprising a parking lot charging device, wherein the parking lot is charged according to the amount of the parking time; and the parking lot charging device includes: a vehicle information obtaining unit; Obtaining the vehicle information of the vehicle from the communication device; and the charging unit calculating the charging amount based on a time difference between a time when the communication device receives the vehicle information from the vehicle-mounted device and a vehicle parking end time displayed by the vehicle information, The vehicle displayed by the vehicle information is charged. The communication system of claim 2, further comprising a parking lot charging device for charging in accordance with the amount of the parking time corresponding to the parking of the vehicle; and the parking charging device includes: a vehicle information obtaining unit; Obtaining the above vehicle from the above communication device And a charging unit that calculates a charging amount based on a time difference between a time when the communication device receives the vehicle information from the vehicle-mounted device and a vehicle parking end time displayed by the vehicle information, and charges the vehicle displayed by the vehicle information deal with. The communication system of claim 3, further comprising a parking lot charging device, wherein the parking lot is charged according to the amount of the parking time; and the parking lot charging device includes: a vehicle information obtaining unit, Obtaining the vehicle information of the vehicle from the communication device; and the charging unit calculating the charging amount based on a time difference between a time when the communication device receives the vehicle information from the vehicle-mounted device and a vehicle parking end time displayed by the vehicle information, The vehicle displayed by the vehicle information is charged. The communication system according to claim 4, wherein the vehicle-mounted device includes a detecting unit that detects presence or absence of movement of the vehicle on which the vehicle-mounted device is mounted, and the charging unit of the parking lot charging device detects the time when the vehicle-mounted device detects the vehicle moving The above-mentioned charge amount is calculated as the vehicle parking end time. The communication system of claim 5, wherein the vehicle-mounted device includes a detecting unit that detects presence or absence of movement of the vehicle on which the vehicle-mounted device is mounted; and the charging unit of the parking lot charging device detects the time when the vehicle-mounted device detects the vehicle moving As the vehicle parking end time, Calculate the above amount of the charge. The communication system according to claim 6, wherein the vehicle-mounted device includes a detecting unit that detects presence or absence of movement of the vehicle on which the vehicle-mounted device is mounted, and the charging unit of the parking lot charging device detects the time when the vehicle-mounted device detects the vehicle moving The above-mentioned charge amount is calculated as the vehicle parking end time. The communication system according to any one of claims 1 to 9, wherein the communication circuit of the vehicle-mounted device includes: a program storage unit that stores a program for checking whether the vehicle-mounted device is abnormal; and an inspection target processing unit that uses the program a program to be inspected by the storage unit; the program execution unit executes the program stored in the program storage unit when the power supply by the power conversion unit is received; and the inspection result transmission unit executes the program The results checked by the department are sent to the mobile terminal. The communication system according to any one of claims 1 to 9, wherein the output unit of the communication device outputs energy in a specific direction; and the vehicle information receiving unit has a directivity antenna via a direction in which the output unit outputs energy. To receive the above vehicle information. A communication method characterized in that it uses a communication system including a vehicle-mounted device mounted on a vehicle and a communication device that communicates with the vehicle-mounted device; The output unit of the communication device outputs energy to the vehicle-mounted device, and the power conversion unit of the vehicle-mounted device converts energy supplied from the communication device into electric power, and the power is supplied when power supply from the vehicle is stopped. The vehicle information transmitting unit of the communication circuit transmits the vehicle information, that is, the vehicle information of the vehicle on which the vehicle-mounted device is non-volatilely stored, to the communication from the vehicle information storage unit of the communication circuit. The vehicle information receiving unit of the communication device receives vehicle information, that is, information of a vehicle on which the vehicle-mounted device is mounted, from the vehicle-mounted device. A vehicle-mounted device characterized in that it is mounted on a vehicle and communicates with a communication device, and includes: a communication circuit that communicates with the communication device; and a power conversion unit that is supplied from the communication device The energy is converted into electric power, and the electric power is supplied to the communication circuit when the power supply from the vehicle is stopped; the communication circuit of the vehicle-mounted device includes: a vehicle information storage unit that transmits information of the vehicle on which the vehicle-mounted device is mounted That is, the vehicle information non-volatile storage; and the vehicle information transmitting unit that transmits the vehicle information stored in the vehicle information storage unit to the communication device.