JP4060733B2 - In-vehicle unit for ETC - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an in-vehicle unit for ETC.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, an ETC system that transmits and receives radio signals between an ETC in-vehicle unit mounted on a vehicle and the ETC gate when the vehicle passes a predetermined ETC gate is known (for example, Patent Document 1). ).
[0003]
In the technology, when the vehicle passes the ETC gate, the ETC gate transmits a trigger signal, and when the ETC on-vehicle unit receives the trigger signal, the personal data signal related to personal data such as a bank account, A vehicle identification signal related to vehicle identification data such as the type of vehicle and travel section is transmitted to the ETC gate.
[0004]
Next, the ETC gate receives the personal data signal and the vehicle identification signal, and determines a charge amount based on the received personal data signal and the vehicle identification signal. Then, a billing signal relating to the billing amount is generated and transmitted to the ETC in-vehicle unit.
[0005]
Next, the in-vehicle unit for ETC receives the charging signal transmitted from the ETC gate, and presents the charging amount by the received charging signal to the vehicle occupant.
[0006]
[Patent Document 1]
Japanese Patent Application Laid-Open No. 2002-42192
[Problems to be solved by the invention]
However, with this technology, when the vehicle passes through a plurality of ETC gates, there is no function of accumulating the amount charged when passing through each ETC gate and presenting it to the passengers.
[0008]
For this reason, when a vehicle passes through a plurality of ETC gates, there is a problem that it is not easy for a vehicle occupant or the like to know the total amount charged for passing through each ETC gate.
[0009]
The present invention has been made in order to solve such a conventional problem, and the main object of the present invention is to present an accumulated amount charged when the vehicle passes through each ETC gate. It is providing the vehicle-mounted unit for ETC which can do.
[0010]
[Means for Solving the Problems]
In order to achieve the above object, an invention according to claim 1 of the present application is equipped with a receiving means that is mounted on a vehicle and receives a charging signal transmitted from the ETC gate side when the vehicle passes through the ETC gate. In the in-vehicle unit, when the receiving means receives the charging signal, the charging amount storage means for storing the charging amount by the charging signal and the charging amount stored in the charging amount storage means are sequentially integrated to obtain the integrated charging amount. An integrating means for calculating; a presenting means for presenting an accumulated charge calculated by the integrating means; and an integrating switching means for switching the integrating means on and off. The integrating means is turned on by the integrating switching means. If the receiving means receives the billing signal during the period, the billing amount stored in the billing amount storage means is sequentially accumulated only by the billing amount based on the received billing signal. And calculates the amount of money.
[0013]
According to a second aspect of the invention, the ETC in-vehicle unit of claim 1, wherein, calculated in integrator, the integrated charge amount storage means for storing the cumulative billing amount to be presented by the presenting means, the integrated charge amount stored Resetting means for resetting the accumulated charging amount stored in the means.
[0014]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings. First, based on FIG. 1 and FIG. 2, the configuration and main components of an ETC in-vehicle unit (hereinafter referred to as “in-vehicle unit”) 1 according to an embodiment of the present invention and an ETC system 100 to which the in-vehicle unit 1 is applied. Explain the various functions. 1 is a block diagram showing the configuration of the ETC system 100, and FIG. 2 is a front view showing the external configuration of the in-vehicle device 11 provided in the in-vehicle unit 1. As shown in FIG.
[0015]
The ETC system 100 includes an in-vehicle unit 1 mounted on a host vehicle (not shown) and an ETC gate 2, and the in-vehicle unit 1 includes an in-vehicle unit 11 and an IC card 12.
[0016]
In the ETC system 100, before the host vehicle passes through the ETC gate 2, the usage status of the service related to the ETC gate 2 is stored in advance in the IC card 12 (for example, when the service is a toll road) The entrance gate information is stored in the IC card 12 at the entrance gate of the toll road).
[0017]
When the host vehicle passes through the ETC gate 2, the vehicle-mounted device 11 uses the personal data signal regarding the usage status and personal data such as the bank account of the owner of the IC card 12, the vehicle type and the vehicle such as the travel section, etc. A vehicle identification signal related to the identification data is acquired from the IC card 12 and transmitted to the ETC gate 2 side.
[0018]
In response to the transmission, a billing signal regarding the billing amount and billing point is transmitted from the ETC gate 2 side, and the in-vehicle device 11 receives the billing signal and stores the contents in the IC card 12. . The billing amount is determined according to the usage status of the service related to the ETC gate 2.
[0019]
The ETC gate 2 includes a roadside antenna 21, and generates a billing signal related to a billing amount and a billing point and transmits the billing signal to the in-vehicle unit 1 when the host vehicle passes through the ETC gate 2.
[0020]
The IC card 12 includes a control processing unit and a memory (billing amount storage means) 121 (not shown), and the contents of the billing signal given from the personal data, the vehicle identification data, and the in-vehicle device 11, that is, the billing amount and the billing time point. The corresponding charging history is stored in the memory 121.
[0021]
Further, when inserted into the slot 11a (see FIG. 2) of the in-vehicle device 11, in response to a request from the in-vehicle device 11, a personal data signal related to personal data, a vehicle identification signal related to vehicle identification data, and an accounting history A billing history signal is generated and output to the in-vehicle device 11.
[0022]
The in-vehicle device 11 includes a transmission / reception unit (reception unit) 111, a modem unit 113, a human machine interface unit (hereinafter referred to as “HMI unit”) 114, a control unit 115, an ETC processing unit 116, and a SAM unit 117. An IC card interface unit (hereinafter referred to as “IC card I / F unit”) 118, an integration unit (integration unit) 119, a memory (integrated charging amount storage unit) 119 a, and a power supply unit 120.
[0023]
The transmission / reception unit 111 includes an in-vehicle device side antenna 112, receives a signal transmitted from the ETC gate 2 by the in-vehicle device side antenna 112, and outputs the signal to the modulation / demodulation unit 113. In addition, the signal given from the modem 113 is transmitted to the ETC gate 2 by the in-vehicle device side antenna 112.
[0024]
The modulation / demodulation unit 113 demodulates the signal given from the transmission / reception unit 111 and outputs the demodulated signal to the control unit 115. Also, the signal given from the control unit 115 is modulated and output to the transmission / reception unit 111.
[0025]
The HMI unit 114 includes an integration changeover switch (integration changeover means) 114a, a display changeover switch 114b, a reset switch (reset means) 114c, a display (presentation means) 114d, and a buzzer 114e.
[0026]
The integration changeover switch 114a is for switching the integration unit 119 on and off, and generates an integration unit on signal by an on operation by the operator and an integration unit off signal by an off operation by the operator. 115.
[0027]
The display changeover switch 114b is for changing the display contents of the display 114d, and generates a display changeover signal by an on operation (hanging operation) by the operator and outputs it to the control unit 115.
[0028]
The reset switch 114c is for resetting the accumulated billing amount, and generates a reset signal by an ON operation by the operator and outputs it to the control unit 115.
[0029]
The display 114 d displays a predetermined image on the screen under the control of the control unit 115, and the buzzer 114 e sounds a buzzer sound under the control of the control unit 115.
[0030]
When the integration unit ON signal is given from the integration changeover switch 114a, the control unit 115 turns the integration unit 119 on, and when the integration unit off signal is given, the control unit 115 turns the integration unit 119 off. Control as much as possible.
[0031]
Further, a charging history signal is acquired from the IC card 12 via the ETC processing unit 116 and the IC card I / F unit 118 based on the display switching signal given from the display switching switch 114b, and the acquired charging history signal is acquired. Is displayed on the display 114d. Also, an accumulated charge amount signal is acquired from the memory 119a, and the content of the acquired accumulated charge amount signal is displayed on the screen of the display 114d.
[0032]
Further, the reset signal provided from the reset switch 114 c is output to the integrating unit 119. Further, the accounting signal given from the modem 113 is output to the ETC processor 116.
[0033]
Further, the personal data signal and the vehicle identification signal given from the ETC processing unit 116 are output to the modem unit 113.
[0034]
The ETC processing unit 116 outputs the charging signal given from the control unit 115 to the SAM unit 117, and outputs the personal data signal and the vehicle identification signal given from the SAM unit 117 to the control unit 115. In addition, the accounting history signal given from IC card I / F unit 118 is output to control unit 115.
[0035]
The SAM unit 117 encrypts the personal data signal and the vehicle identification signal given from the IC card I / F unit 118 and outputs them to the ETC processing unit 116, and the billing signal given from the ETC processing unit 116 is sent to the billing signal. Is decrypted and then output to the IC card I / F unit 118.
[0036]
The IC card I / F unit 118 outputs the accounting signal given from the SAM unit 117 to the IC card 12. Further, the personal data signal and the vehicle identification signal given from the IC card 12 are output to the SAM unit 117. Further, the accounting history signal given from the IC card 12 is output to the ETC processing unit 116.
[0037]
Further, when the on / off state of the integrating unit 119 is detected and the transmitting / receiving unit 111 receives a charging signal while the integrating unit 119 is on, the charging signal is given from the SAM unit 117. The billing signal is output to the accumulating unit 119 and the IC card 12.
[0038]
When receiving a charge signal from the IC card I / F unit 118, the integration unit 119 acquires an integrated charge amount signal related to the integrated charge amount from the memory 119a, and adds the charge amount based on the charge signal to the integrated charge amount. Is added to calculate a new accumulated charge amount. Then, the calculated accumulated charge amount is stored in the memory 119a.
[0039]
Further, when a reset signal is given from the control unit 115, the accumulated charge amount stored in the memory 119a is reset.
[0040]
The memory 119a stores the accumulated charge calculated by the accumulation unit 119.
[0041]
The power supply unit 120 supplies power supplied from the power supply of the host vehicle to each component of the in-vehicle device 11.
[0042]
Next, the procedure of integration processing by the in-vehicle unit 1 will be described along the flowchart shown in FIG.
[0043]
First, when the IC card 12 is inserted into the slot 11a (see FIG. 2) of the in-vehicle device 11 and the in-vehicle unit 1 is turned on, the control unit 115 receives a reset signal from the reset switch 114c in step S1 shown in FIG. It is determined whether or not. As a result, if a reset signal is given, the process proceeds to step S7, and if not given (NO in step S1), the process proceeds to step S2.
[0044]
In step S2, the control unit 115 determines whether or not an integration unit ON signal is given from the integration changeover switch 114a. If so, the integration unit 119 is turned on in step S3, and the process proceeds to step S4. If not given (NO in step S2), the integrating unit 119 is turned off and the process proceeds to step S4.
[0045]
In step S <b> 4, when the transmission / reception unit 111 receives a charging signal from the ETC gate 2, the transmission / reception unit 111 outputs the received charging signal to the modulation / demodulation unit 113.
[0046]
Next, the modem unit 113 demodulates the given charging signal and outputs it to the control unit 115, and the control unit 115 outputs the given charging signal to the SAM unit 117 via the ETC processing unit 116. .
[0047]
Next, the SAM unit 117 outputs the given charging signal to the IC card I / F unit 118 after decrypting the encryption of the charging signal, and proceeds to step S5. On the other hand, when the transmission / reception unit 111 has not received the billing signal (NO in step S4), the in-vehicle unit 1 ends this process.
[0048]
In step S <b> 5, the IC card I / F unit 118 detects the on / off state of the integrating unit 119 when receiving a billing signal from the SAM unit 117.
[0049]
As a result, when the integrating unit 119 is in the on state, the charging signal given from the SAM unit 117 is output to the integrating unit 119 and the IC card 12, and the process proceeds to step S6. On the other hand, when integrating unit 119 is in the off state (NO in step S5), the charging signal provided from SAM unit 117 is output to IC card 12, and the process proceeds to step S8.
[0050]
In step S6, the integrating unit 119 acquires an integrated charging amount signal related to the integrated charging amount from the memory 119a.
[0051]
Next, a charge amount based on the charge signal given from the IC card I / F unit 118 is added to the accumulated charge amount to calculate a new accumulated charge amount, and the calculated accumulated charge amount is stored in the memory 119a. To do.
[0052]
On the other hand, the IC card 12 stores in the memory 121 the contents of the charging signal provided from the IC card I / F unit 118, that is, the charging amount and the charging time. Thereafter, the in-vehicle unit 1 ends this process.
[0053]
On the other hand, when the control unit 115 is given a reset signal in step S1 described above, the control unit 115 outputs the reset signal to the integrating unit 119 in step S7.
[0054]
Next, the accumulating unit 119 resets the accumulated charging amount stored in the memory 119 a based on the reset signal given from the control unit 115. Thereafter, the in-vehicle unit 1 ends this process.
[0055]
On the other hand, if the integration unit 119 is in the off state in step S5 described above, the IC card 12 determines in step S8 the content of the billing signal provided from the IC card I / F unit 118, that is, The charging amount and the charging time are stored in the memory 121. Thereafter, the in-vehicle unit 1 ends this process.
[0056]
When the host vehicle passes through a plurality of ETC gates 2, the in-vehicle unit 1 repeats the above-described steps S1 to S8 each time the host vehicle passes through each ETC gate 2. Of the charge amounts stored in 121, the charge amounts based on the charge signals received while the integrating unit 119 is in the on state are sequentially integrated. Then, the integrated charging amount is calculated by the integration, and the calculated integrated charging amount is stored in the memory 119a.
[0057]
Next, an example of the processing will be described along the time chart shown in FIG. First, when the operator inserts the IC card 12 into the slot 11a shown in FIG. 2, turns on the in-vehicle unit 1, and then operates the reset switch 114c at time t0 shown in FIG. The accumulated charge amount stored in the memory 119a is reset by the processing of step S1 and step S7 shown in FIG. In this state, it is assumed that integrating unit 119 is in an off state.
[0058]
When the transmission / reception unit 111 receives a billing signal related to the billing amount of ¥ 100 at time t1, the in-vehicle unit 1 has the integration unit 119 in the off state, so that the steps S1 to S2 and the steps S4 to S4 are performed. By the processing of S5 and step S8, the billing amount (¥ 100) and the billing time are stored in the memory 121 of the IC card 12.
[0059]
When the operator turns on the integration changeover switch 114a at time t2, the in-vehicle unit 1 turns on the integration unit 119 by the processes of Steps S1 to S3.
[0060]
When the transmission / reception unit 111 receives a billing signal related to the billing amount of ¥ 100 at time t3, the in-vehicle unit 1 is summed by the processing from step S4 to step S6 because the summation unit 119 is on. The unit 119 calculates the accumulated charge amount as ¥ 100 (= ¥ 0 + ¥ 100), and stores the calculated accumulated charge amount in the memory 119a. Further, the billing amount (¥ 100) and the billing time are stored in the memory 121 of the IC card 12.
[0061]
When the operator turns off the integration changeover switch 114a at time t4, the in-vehicle unit 1 turns off the integration unit 119.
[0062]
When the transmission / reception unit 111 receives a billing signal related to the billing amount of ¥ 200 at time t5, the in-vehicle unit 1 has the integration unit 119 in the off state, so that the steps S1 to S2 and the steps S4 to S4 are performed. By the processing of S5 and step S8, the billing amount (¥ 200) and the billing time are stored in the memory 121 of the IC card 12.
[0063]
When the operator turns on the integration changeover switch 114a at time t6, the in-vehicle unit 1 turns on the integration unit 119 by the processing of Steps S1 to S3.
[0064]
When the transmission / reception unit 111 receives a billing signal related to the billing amount of ¥ 200 at time t7, the in-vehicle unit 1 is integrated by the processing of steps S4 to S6 because the integration unit 119 is in an on state. The unit 119 calculates the accumulated charge amount as ¥ 300 (= ¥ 100 + ¥ 200), and stores the calculated accumulated charge amount in the memory 119a. Further, the billing amount (¥ 200) and the billing time are stored in the memory 121 of the IC card 12.
[0065]
Therefore, at time t8, the accumulated charge amount stored in the memory 119a is ¥ 300.
[0066]
Next, the procedure of the screen display process by the in-vehicle unit 1 will be described with reference to the flowchart shown in FIG. 5 and the front view shown in FIG. FIG. 6 is a front view showing an image displayed on the display 114d of the in-vehicle device 11 on the screen.
[0067]
First, when the IC card 12 is inserted into the slot 11a (see FIG. 2) of the in-vehicle device 11 and the in-vehicle unit 1 is turned on, the control unit 115 performs integration from the integration changeover switch 114a in step S11 shown in FIG. It is determined whether a part-on signal is given. As a result, if given, the integrating unit 119 is turned on and the process proceeds to step S12. If not given (NO in step S11), the integrating unit 119 is turned off and the process proceeds to step S14.
[0068]
In step S12, control unit 115 determines whether a display switching signal is given from display switching switch 114b. As a result, when it is given, the process proceeds to step S13, and when it is not given, this process is terminated.
[0069]
In step S13, the control unit 115 acquires the accumulated charge amount signal from the memory 119a, and as shown in FIG. 6A, the content of the acquired accumulated charge amount signal is displayed on the display 114d for a predetermined time ( In this embodiment, the screen is displayed for T seconds).
[0070]
In step S14, control unit 115 determines whether a display switching signal is given from display switching switch 114b. As a result, when it is given, the process proceeds to step S15, and when it is not given, this process is terminated.
[0071]
In step S15, the control unit 115 acquires a charging history signal related to the charging time from the memory 121 of the IC card 12, and, as shown in FIG. 6B, the contents of the acquired charging history signal, that is, the charging time Is displayed on the display 114d for a predetermined time (T seconds in this embodiment).
[0072]
In step S16, control unit 115 determines whether or not a display switching signal is given from display switching switch 114b. As a result, when it is given, the process proceeds to step S17, and when it is not given, this process is terminated.
[0073]
In step S17, the control unit 115 acquires a charging history signal related to the charging amount from the memory 121 of the IC card 12, and, as shown in FIG. 6C, the content of the acquired charging history signal, that is, the charging amount. Is displayed on the display 114d for a predetermined time (T seconds in this embodiment). Thereafter, the in-vehicle unit 1 ends this process.
[0074]
As described above, in the present embodiment, when the in-vehicle unit 1 receives the billing signal at the transmission / reception unit 111 (when the host vehicle passes through the ETC gate 2), the in-vehicle unit 1 determines the billing amount based on the billing signal of the IC card 12. Store in the memory 121. Furthermore, the charge amount stored in the memory 121 is sequentially integrated by the integration unit 119 to calculate the integrated charge amount and stored in the memory 119a. Then, the calculated accumulated billing amount is displayed on the screen of the display 114d (see step S1 to step S6 shown in FIG. 3, step S11 to step S13 shown in FIG. 5, and FIG. 6A). Therefore, an occupant or the like of the own vehicle can easily check the accumulated charge amount.
[0075]
Further, the integration unit 119 is turned on when the operator turns on the integration switch 114a. Then, when the transmission / reception unit 111 receives a billing signal while it is in the ON state, among the billing amounts stored in the memory 121, the billing amount based on the received billing signal is sequentially accumulated and accumulated. Calculate the billing amount.
[0076]
Therefore, a passenger or the like of the own vehicle can select a charge amount to be accumulated by the accumulating unit 119.
[0077]
In addition, when the operator operates the display changeover switch 114b while the accumulating unit 119 is on, the display 114d displays the accumulated charge amount stored in the memory 119a on the screen. Therefore, the occupant or the like can check the accumulated billing amount at any time.
[0078]
Further, when the operator turns on the reset switch 114c, the accumulating unit 119 resets the accumulated charging amount stored in the memory 119a. Therefore, an occupant or the like of the own vehicle can reset the accumulated charge amount calculated by the accumulating unit 119 and displayed on the screen of the display 114d.
[0079]
In particular, in the present embodiment, the ETC in-vehicle unit 1 stores the accumulated charge amount in the memory 119a of the in-vehicle device 11, so that, for example, the IC card 12 is replaced with another IC card 12 during the process shown in FIG. Even in such a case, the accumulated charge amount is not changed. Therefore, even in such a case, an accurate accumulated charge amount can be displayed on the screen.
[0080]
In the present embodiment, when the transmission / reception unit 111 receives a billing signal, the accumulating unit 119 stores the billing amount based on the billing signal (the billing amount is stored in the memory 121) in the memory 119a. The charged amounts stored in the memory 121 are sequentially integrated by adding the accumulated charged amounts to be added, but may be integrated as follows.
[0081]
That is, when the transmission / reception unit 111 receives the charging signal, the charging amount based on the charging signal is sequentially stored in the memory 121, and the memory is stored at a predetermined timing (for example, when the display changeover switch 114b is operated by the operator). The billing amounts stored in 121 may be integrated sequentially.
[0082]
In this case, in order to make it possible to select the charge amount to be accumulated, for example, when the charge amount is stored in the memory 121, an accumulation target flag is attached to the charge amount, and the charge amount It is sufficient to accumulate only the billing amount attached with.
[0083]
【The invention's effect】
As described above, in the invention described in the claims of the present application, when the receiving unit receives the billing signal, the billing amount based on the billing signal is stored in the billing amount storage unit and stored in the billing amount storage unit. The charge amount is sequentially integrated to calculate the integrated charge amount, and the calculated integrated charge amount is presented, so that a vehicle occupant or the like can easily check the integrated charge amount.
[Brief description of the drawings]
FIG. 1 is a block diagram showing a configuration of an ETC in-vehicle unit.
FIG. 2 is a block diagram showing an external configuration of the in-vehicle device.
FIG. 3 is a flowchart showing a procedure of integration processing by the ETC in-vehicle unit.
FIG. 4 is a time chart showing an example of integration processing by an ETC in-vehicle unit.
FIG. 5 is a flowchart showing a procedure of screen display processing by the ETC in-vehicle unit.
FIG. 6 is a front view showing a state in which an image is displayed on the display device.
(A) It is a front view which shows a mode that an accumulated charge amount is displayed.
(B) It is a front view which shows a mode that an accounting time point is displayed.
(C) It is a front view which shows a mode that a charge amount is displayed.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 In-vehicle unit for ETC 2 ETC gate 11 In-vehicle device 12 IC card 111 Transmission / reception part (reception means)
114a Integration switch (Integration switching means)
114b Display changeover switch 114c Reset switch (reset means)
114d Display (presentation means)
115 Control Unit 119 Integration Unit (Integration Unit)
119a memory (accumulated charge storage means)
120 Power supply unit 121 Memory (billing amount storage means)

Claims (2)

In an in-vehicle unit for ETC equipped with a receiving means that is mounted on a vehicle and receives a charging signal transmitted from the ETC gate side when the vehicle passes through the ETC gate,
When the receiving means receives the charging signal, charging amount storage means for storing the charging amount by the charging signal;
Integrating means for sequentially integrating the charging amounts stored in the charging amount storage means to calculate the integrated charging amount;
Presenting means for presenting an accumulated charge calculated by the integrating means;
An integration switching means for switching on and off the integration means,
When the receiving unit receives the charging signal while the integration unit is turned on by the integration switching unit, the integrating unit receives the charging amount stored in the charging amount storage unit. An in-vehicle unit for ETC, wherein the integrated charging amount is calculated by sequentially integrating only the charging amount based on the charging signal.   In the in-vehicle unit for ETC according to claim 1,
  An accumulated charge amount storage means for storing the accumulated charge amount calculated by the accumulation means and presented by the presenting means;
  An on-board unit for ETC, comprising: reset means for resetting the accumulated charge amount stored in the accumulated charge amount storage means.

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