JP6056331B2 - Remote control system for in-vehicle devices - Google Patents

Remote control system for in-vehicle devices Download PDF

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Publication number
JP6056331B2
JP6056331B2 JP2012214782A JP2012214782A JP6056331B2 JP 6056331 B2 JP6056331 B2 JP 6056331B2 JP 2012214782 A JP2012214782 A JP 2012214782A JP 2012214782 A JP2012214782 A JP 2012214782A JP 6056331 B2 JP6056331 B2 JP 6056331B2
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vehicle
communication device
device
means
specific information
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JP2014069598A (en
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琢磨 前田
琢磨 前田
川島 直樹
直樹 川島
弘樹 深津
弘樹 深津
博之 矢代
博之 矢代
真英 芝
真英 芝
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三菱自動車工業株式会社
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage for electromobility
    • Y02T10/7005Batteries
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies related to electric vehicle charging
    • Y02T90/16Information or communication technologies improving the operation of electric vehicles

Description

  The present invention relates to a system for remotely operating in-vehicle devices mounted on an automobile.

  In recent years, a technique for remotely operating a device mounted on an automobile (hereinafter also referred to as a vehicle) has been developed and spread. For example, in order to warm up the engine of the vehicle in advance, the technology to start the engine by remote control, or to start heating and cooling in advance after starting the engine before getting on the vehicle In addition, pre-air-conditioning technology for operating a vehicle air-conditioner by remote control has been developed. Such a technique is disclosed in Patent Document 1, for example.

  In this patent document 1, an engine control circuit mounted on a vehicle is operated wirelessly by a start switch and a stop switch provided in a portable device (remote controller) so that the engine of the vehicle can be started and stopped. In this case, a control circuit is provided for controlling an electric device retrofitted to the vehicle. The operation signal of the start switch is used as an operation start signal for the retrofitted electric device during engine operation, and the operation of the device is started while the engine is stopped. A technique is described in which the operation of a device is stopped using an operation signal of a stop switch as an operation stop signal of a retrofit electric device.

Japanese Patent Laid-Open No. 11-230013

  In addition to the pre-air conditioning operation as described above, the present inventors, for example, in an electric vehicle or a plug-in hybrid vehicle that can be charged at a household outlet, connect the charging system of the vehicle to an outlet so that the battery can be charged. In addition, recognizing and managing the start and end of charging by remote control, we thought that convenience when using the vehicle can be improved. Thus, the convenience at the time of using a vehicle can be improved by operating and managing various apparatuses remotely.

When operating and managing such a number of target devices, if a dedicated portable device is provided for each device, the cost is increased, and the management of the portable device is not only a burden, but also an erroneous operation is likely to occur.
In this respect, since the technique of Patent Document 1 is a technique that can increase the number of target devices that are remotely operated while also using a portable device, the above-described problems can be solved.

  However, since the technique of Patent Document 1 uses the same switch for remote operation of a plurality of devices using the switch operation logic, if the number of target devices increases, the switch operation logic does not have to be complicated. Cannot be handled, and proper operation is not easy and may lead to erroneous operation. Of course, it is conceivable that the portable device is provided with a switch corresponding to each target device, but the switch configuration of the portable device becomes complicated, and it is difficult to handle and easily causes an erroneous operation.

  Therefore, the present inventors considered using a mobile communication device such as a mobile phone for remote control of each device of the vehicle. In the case of mobile phones, multifunctional mobile phones called so-called smartphones have become popular in recent years. In the case of a smartphone, it has the same function as a personal computer or PDA (personal digital assistant) and generally has a touch panel display. For this reason, by downloading various application software (application programs), it is possible to add a function to a preference and use it for remote operation of each device of the vehicle.

  In other words, in order to remotely control each device, application software that can display a menu screen or switch screen on a touch panel display and perform switch operation, and corresponding vehicle-side processing software (vehicle-side processing program) Develop and download application software to a smartphone and download vehicle-side processing software to a vehicle-side device. Thereby, a general smart phone can be used as a remote controller of each device. Since the degree of freedom of screen display is high, the possibility of erroneous operations can be avoided by displaying menus so that appropriate operations can be easily performed.

  However, in order to perform wireless communication between a mobile communication device such as a smartphone and a vehicle, it is necessary to equip the vehicle side with a wireless communication device corresponding to a communication standard (network interface) used in the mobile communication device. . Note that “Wi-Fi (registered trademark)” and “3G” are used as communication standards for smartphones, but other communication standards such as “WiMAX (registered trademark)” and “Bluetooth (registered trademark)” are also used. Is also conceivable.

Among the above communication standards, “Wi-Fi” has a relatively high communication speed, can ensure a relatively long wireless communication distance, and is highly versatile, can communicate without infrastructure maintenance, and has a running cost. It can be kept low.
However, when the mobile communication device is also used as a remote control for remote control of the vehicle, there is a concern that the mobile communication device of the other person who should not be accessed originally may illegally access the wireless communication device on the vehicle side.

Of course, the communication standard itself such as Wi-Fi communication is provided with a security function against such unauthorized access, but the possibility of unauthorized access through the security function of the communication standard cannot be denied.
As a technique for ensuring security against such unauthorized use, a technique is conceivable in which usable mobile communication devices are registered in a vehicle-side device so that unregistered mobile communication devices cannot be accessed.

However, in the future, as application software that enables various operations of vehicles using mobile communication devices becomes more popular, convenience will increase, but in the case of vehicles, such measures for preventing unauthorized access will become more important. It becomes.
For example, if it becomes possible to release a door lock of a vehicle or input a power switch using a smartphone, the vehicle may be stolen by unauthorized access.

  The present invention was devised in view of the above problems, and in a system in which a mobile communication device such as a smartphone is used to remotely control an in-vehicle device, others illegally access the remote operation of the in-vehicle device. It is an object of the present invention to provide a remote control system for in-vehicle devices that can prevent remote control of the in-vehicle devices.

(1) In order to achieve the above object, a remote control system for an in-vehicle device according to the present invention is provided in a vehicle and controls an in-vehicle device mounted on the vehicle, and the in-vehicle device control. A mobile communication device that remotely controls the in-vehicle devices through a device; and a wireless communication device that is installed in the vehicle and connected to the in-vehicle device control device through a vehicle network, and is interposed between the in-vehicle device control device and the mobile communication device. A vehicle-side wireless communication device that processes communication, and vehicle-specific information that is unique information of the vehicle is registered in the in-vehicle device control device, the mobile communication device, and the vehicle-side wireless communication device. , a remote control system of the vehicle equipment, the application executing means for executing an application for performing the remote operation by the mobile communication device At the start of the application, when starting said to implement communications between the mobile communications device and the vehicle-side wireless communication device, matching with the vehicle-specific information received by the communication with the pre-registered the vehicle-specific information A collation unit, and an execution control unit that permits execution of the application when the collation is matched by the startup collating unit, and prohibits execution of the application when the collation is not matched by the startup collating unit. And when the network communication between the vehicle-mounted device control device and the vehicle-side wireless communication device by the vehicle network, the vehicle-specific information is added to the communication information and transmitted, and the vehicle-mounted device control device includes the The vehicle-specific information registered in the vehicle-mounted device control device and the vehicle-side wireless communication device during communication with the vehicle-side wireless communication device Communication means for comparing the vehicle-specific information received by the communication with the communication side, and if the verification is matched by the communication time verification means, communication with the vehicle-side wireless communication device is permitted, A communication control means for prohibiting communication with the vehicle-side wireless communication device when the collation does not match by the collating means is provided .

(2) wherein the mobile communication device, is registered before Symbol vehicle both specific information with the mobile-specific information is specific information of itself, the said vehicle wireless communication device, mobile-specific information is registered in advance together with the vehicle-specific information The startup verification means is provided in the mobile communication device, and when the application is started by the mobile communication device, the mobile communication device registers the mobile communication device with the vehicle-side wireless communication device. First mobile means for transmitting mobile unique information; and the mobile unique information that is installed in the vehicle-side wireless communication device and that has registered the mobile-specific information transmitted by the first transmission means in the vehicle-side wireless communication device. The first collating unit for collating with the vehicle-side wireless communication device is compared, and the collation of the first collating unit is the same. The vehicle-specific information registered in the vehicle-side wireless communication device is transmitted to the mobile communication device, and if the verification of the first verification means does not match, a verification mismatch signal is transmitted to the mobile communication device. and second transmitting means, is mounted on the mobile communication device, a second verification to match as compared to the vehicle-specific information registered with the vehicle-specific information that is sent to the mobile communications equipment by the second transmitting means And the execution control means is installed in the mobile communication device, and permits execution of the application when the collation by the second collation means matches, and the collation by the second collation means matches. If not, or if the verification mismatch signal is transmitted by the second transmission means, it is preferable to prohibit the execution of the application.

(3) A vehicle identification number (Vehicle Identification Number, abbreviated as VIN) is applied to the vehicle-specific information, and a Mac address (Media Access Control address, MAC address) is applied to the mobile-specific information. preferable.
(4) When the execution control unit prohibits execution of the application, it is preferable to display a message to that effect (for example, a message such as “Application cannot be executed due to an authentication mismatch”) on the mobile communication device.

( 5 ) When the communication control means prohibits communication with the vehicle-side wireless communication device, the communication control means displays a message to that effect on the display means equipped on the vehicle (the authentication mismatch with the vehicle-side wireless communication device). It is preferable.
( 6 ) It is preferable that wireless LAN communication is used for communication between the mobile communication device and the vehicle-side wireless communication device.

For example, a multi-function mobile phone (smart phone) or a tablet PC can be applied to the mobile communication device.
The vehicle is equipped with a door unlocking device as the in-vehicle device and a door unlocking control device as the in-vehicle device control device that controls the door unlocking device and monitors the door unlocking state. The mobile communication device is transmitted from the door unlocking control device and door unlocking operation means for outputting the door unlocking signal to the door unlocking control device by communication via the wireless communication device. It is preferable that door state display means for displaying the door unlocked state is provided.

  The vehicle is equipped with a power switch drive device as the vehicle-mounted device and a power switch control device as the vehicle-mounted device control device, and the mobile communication device is configured to communicate with the mobile communication device through the wireless communication device. Power switch operation means for outputting an operation operation signal of the power switch drive device to a power switch control device, and a power switch state for displaying the state of the power switch according to the operation operation signal output by the power switch operation means Display means are preferably provided.

  In addition, an in-vehicle device control device that is installed in a vehicle and controls the in-vehicle devices mounted on the vehicle, a mobile communication device that remotely operates the in-vehicle devices through the in-vehicle device control device, and the vehicle is equipped An in-vehicle device remote operation system comprising a vehicle-side wireless communication device that is interposed between the in-vehicle device control device and the mobile communication device and processes wireless communication. As a management method, when the application for performing the remote operation by the mobile communication device is activated, communication is performed between the mobile communication device and the vehicle-side wireless communication device, the pre-registered unique information and the If the verification is matched by the startup verification step for verifying the unique information received through communication and the startup verification step, the application Allowed to run application, and an execution control step when the collation by the activation time of verification step does not match that prohibits execution of the application, it is also preferably carried out.

(1) When starting an application for performing a remote operation by a mobile communication device, communication is performed between the mobile communication device and the vehicle-side wireless communication device, and pre-registered unique information and unique information received by communication If the verification matches, the execution of the application is permitted. If the verification does not match, the execution of the application is prohibited, thereby preventing unauthorized use of the application. Further, when the in-vehicle device control device and the vehicle-side wireless communication device are connected by a vehicle network, the vehicle-specific information registered in the in-vehicle device control device and the vehicle-specific information registered in the in-vehicle device control device when communicating with the vehicle-side wireless communication device The vehicle-specific information received by communication with the vehicle-side wireless communication device is collated, and when the collation is matched, communication with the vehicle-side wireless communication device is permitted. For example, when vehicle-side wireless communication devices are illegally replaced, access from the unauthorized vehicle-side wireless communication device to the in-vehicle device control device is prevented, thereby ensuring security. Can do.

(2) In this case, the mobile unique information registered in the mobile communication device is transmitted from the mobile communication device to the vehicle-side wireless communication device, and the transmitted mobile unique information is transmitted to the vehicle-side wireless communication device. Compared with the mobile unique information registered in the wireless communication device, and if this match is found, the vehicle unique information registered in the vehicle-side wireless communication device is transmitted to the mobile communication device and transmitted in the mobile communication device. vehicle specific information to match as compared to vehicle-specific information registered in the mobile communications equipment was, if first allowed to run application if this authentication is successful, more stronger security is by matching double check .

(3) Vehicle identification number (Vehicle Identification Number, abbreviated as VIN) is applied to vehicle-specific information, and Mac address (Media Access Control address, MAC address) is applied to mobile-specific information. Information can be registered smoothly, and it is easy to ensure security.
(4) When the verification in the vehicle-side wireless communication device does not match or the verification in the mobile communication device does not match, the user is prohibited from executing the application, and the fact is displayed on the mobile communication device. This can be grasped when the device is operated by mistake.

( 5 ) When communication with the vehicle-side wireless communication device is prohibited due to a mismatch of the verification, if the fact is displayed on the display means equipped on the vehicle, the operator can easily grasp the situation and take appropriate measures. Easy to do.
( 6 ) When wireless LAN communication is used for communication between the mobile communication device and the vehicle-side wireless communication device, the communication speed can be increased and the communication distance can be secured for a long time. Anxiety increases, but security is ensured as described above, so such anxiety can be resolved.

FIG. 3 is a block diagram focusing on processing when a specific input operation (mobile communication device registration operation, program update operation) is performed on the vehicle-side wireless communication device in the in-vehicle device remote operation system according to the embodiment of the present invention. is there. It is a block diagram which paid its attention to the process at the time of the application starting of the mobile communication apparatus in the remote control system of the vehicle-mounted equipment concerning one Embodiment of this invention. It is a flowchart figure which paid its attention to the process at the time of registering a mobile communication apparatus to the vehicle side radio | wireless communication apparatus in the remote control system of the vehicle-mounted apparatuses concerning one Embodiment of this invention. It is a flowchart figure which paid its attention to the process at the time of updating the program of the vehicle side radio | wireless communication apparatus in the remote control system of the vehicle equipment concerning one Embodiment of this invention. It is a flowchart figure which paid its attention to the process at the time of the application starting of the mobile communication apparatus in the remote control system of the vehicle equipment concerning one Embodiment of this invention. It is a flowchart figure which paid its attention to the process at the time of communication with the vehicle side radio | wireless communication apparatus and in-vehicle apparatus control apparatus in the remote control system of the in-vehicle apparatus concerning one Embodiment of this invention. It is a block diagram which shows the outline | summary of the remote control system of the vehicle equipment concerning one Embodiment of this invention. It is a block diagram which shows in detail the remote control system of the vehicle equipment concerning one Embodiment of this invention. It is a figure which shows the display screen (home screen) of the multifunctional portable terminal as a mobile communication apparatus of the remote control system of the vehicle equipment concerning one Embodiment of this invention. It is a figure which shows the display screen (timer charge setting screen) of the multifunctional portable terminal as a mobile communication apparatus of the remote control system of the vehicle equipment concerning one Embodiment of this invention, (a) is a setting screen of a timer charge schedule (B) shows a timer time setting screen. It is a figure which shows the display screen (timer air-conditioning setting screen) of the multifunctional portable terminal as a mobile communication apparatus of the remote control system of the vehicle equipment concerning one Embodiment of this invention, (a) is a setting screen of a timer air-conditioning schedule (B) shows a timer time setting screen. It is a figure which shows the vehicle information screen of the multifunctional portable terminal as a mobile communication apparatus of the remote control system of the vehicle equipment concerning one Embodiment of this invention. It is a figure which shows the vehicle operation screen (panic alarm) of the multifunctional portable terminal as a mobile communication apparatus of the remote control system of the vehicle equipment concerning one Embodiment of this invention. It is a figure which shows the vehicle operation screen (parking position confirmation) of the multifunctional portable terminal as a mobile communication apparatus of the remote control system of the vehicle equipment concerning one Embodiment of this invention. It is a figure which shows the vehicle operation screen (door lock) of the multifunctional portable terminal as a mobile communication apparatus of the remote control system of the vehicle equipment concerning one Embodiment of this invention. It is a figure which shows the various setting screens of the multifunctional portable terminal as a mobile communication apparatus of the remote control system of the vehicle equipment concerning one Embodiment of this invention. It is a figure which shows the various setting screens of the multifunctional portable terminal as a mobile communication apparatus of the remote control system of the vehicle equipment concerning one Embodiment of this invention. It is a figure which shows the vehicle information registration screen of the multifunctional portable terminal as a mobile communication apparatus of the remote control system of the vehicle equipment concerning one Embodiment of this invention. It is a figure which shows the apparatus registration screen of the multifunctional portable terminal as a mobile communication apparatus of the remote control system of the vehicle equipment concerning one Embodiment of this invention. It is a figure which shows the apparatus registration screen of the multifunctional portable terminal as a mobile communication apparatus of the remote control system of the vehicle equipment concerning one Embodiment of this invention, (a) is a transmission screen of apparatus registration information, (b) is It is the information transmission screen for collation at the time of apparatus registration.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
The vehicle according to the present embodiment is a plug-in hybrid electric vehicle (PHEV) that can charge a battery for traveling using a general power source (100 volt power source) outside the vehicle such as a household outlet, The in-vehicle devices to be remotely operated include a traveling battery and a charge control device that controls charging of the traveling battery.

[Entire system configuration]
FIG. 7 is a schematic configuration diagram showing a remote control system for in-vehicle devices according to the present embodiment. As shown in FIG. 7, this remote operation system is equipped with a vehicle 1, and includes a vehicle network 2 including each control device (on-vehicle device control device) that controls the on-vehicle devices, and remotely controls the on-vehicle devices. ECU which functions as a wireless router which is equipped with a multifunctional portable terminal (smartphone) 3 as a mobile communication device and a vehicle 1 and which is interposed between each control device of the vehicle network 2 and the smartphone 3 to process wireless communication 4 (also referred to as a wireless communication device, EV remote ECU).

  A wired CAN (Controller Area Network) is used for communication between the communication ECU 4 and the vehicle network 2, and wireless Wi-Fi (wireless fidelity) or 3G (3rd Generation) is used for communication between the communication ECU 4 and the smartphone 3. Such wireless LAN communication is used. Here, it is assumed that Wi-Fi is used for communication between the communication ECU 4 and the smartphone 3.

Since the vehicle network 2 is resistant to noise and can communicate with a line that remains even if one of the communication lines is disconnected, CAN is widely used, and the communication between the vehicle-mounted communication ECU 4 and the vehicle network 2 is widely used. Also, CAN is used.
Wi-Fi is used for communication between the communication ECU 4 and the smartphone 3 because many of the commercially available smartphones and other mobile communication devices can use Wi-Fi, and the communication speed is relatively fast and relatively long. This is because the wireless communication distance (the distance that can be communicated with the vehicle is about 200 m at the maximum sight distance) can be secured, and the communication is possible without any infrastructure maintenance, and the running cost can be kept low. .

In this embodiment, a smartphone is exemplified as a mobile communication device using Wi-Fi. However, when using Wi-Fi communication, not only a smartphone but also Wi-Fi communication is adopted, and application software of the remote operation system is used. If download is possible, various mobile communication devices (Wi-Fi devices) can be used.
FIG. 8 is a block diagram showing the remote operation system in more detail. As shown in FIG. 8, on the vehicle side, a vehicle battery 11A, an auxiliary battery 11B, an air conditioner 12, an audio and car navigation system 13, and a rear defogger 14 are mounted as in-vehicle devices. Furthermore, electrical components such as lamps 15, door mirrors 16 and wipers (not shown) are mounted. The air conditioner device 12 is an electric type device using an electric compressor 12a, and a battery 11A for traveling which is a high voltage power source is used as a power source of the electric compressor 12a.

  In addition, on the vehicle side, as an in-vehicle device control device for controlling in-vehicle devices, on-vehicle charging as a vehicle ECU 21 for controlling the entire vehicle, and a charging control device for controlling the charging state of the traveling battery 11A and the auxiliary battery 11B. An ECU (charger) 22, an air conditioner ECU 23 as an air conditioner control device for controlling the air conditioner device 12, an electric component total control ECU 24 that controls the operation of the electric components such as the rear defogger 14, the lamps 15, and the door mirror 16 are mounted. Has been.

Each of the ECUs 21 to 24, the smartphone 3 and the communication ECU 4 as the on-vehicle device control device includes an input / output device, a storage device (memory such as ROM, RAM, and nonvolatile RAM), a central processing unit (CPU), a timer counter, and the like. Consists of including.
The vehicle ECU 21 and the in-vehicle charging ECU 22 are connected by an electric vehicle CAN (EV-CAN) 51, and the air conditioner ECU 23, the electrical component total control ECU 24, and the audio and the car navigation system 13 are connected by an electrical component CAN (SUB-CAN) 52. Moreover, the electric vehicle CAN51 and the electrical component CAN52 are connected via a gateway or the like (not shown).

  The vehicle ECU 21 operates a drive mechanism (power switch drive mechanism) of the power switch 17 of the vehicle to turn the power switch 17 on and off (power switch control means), and a lock / unlock mechanism (door locking / unlocking mechanism) of each door. ) 19 to operate the door in a locked or unlocked state (door locking / unlocking control means). The vehicle ECU 21 also has information on the on / off state of the power switch 17, information on whether the lock / unlock mechanism 19 is locked or unlocked, and information on the on / off state (open / closed state) of each door opening / closing switch 18. It is designed to be entered.

  The in-vehicle charging ECU 22 controls the in-vehicle charging unit 11 that charges the traveling battery 11A and the auxiliary battery 11B. In particular, the on-vehicle charging unit 11 can charge the traveling battery 11A using a general power source such as a household outlet as well as a dedicated charging outlet installed in a charging station or the like. Further, the auxiliary battery 11B can be charged using the electric power of the traveling battery 11A.

  The charging mode of the traveling battery 11A includes “rapid charging” using a dedicated external quick charger, “normal charging, 200 V” using a dedicated 200 V external charger, and a 100 V general power source such as a household outlet. Each mode of “ordinary charging, 100 V” is used. Furthermore, a “timer charging” in which a charging schedule is set in advance with a timer and charging is performed according to the set schedule can be performed. Note that “timer charging” is performed by “normal charging, 100 V”.

  In addition to indoor air conditioning (cooling and heating), the air conditioner 12 blows air to the windshield. In addition, an operation mode of “timer air conditioning” is set in which these air conditioning schedules are set in advance by a timer, and air is blown to the indoor air conditioning and the windshield according to the set schedule. The air conditioner ECU 23 performs real-time air conditioning control and timer air conditioning control.

  Therefore, the air conditioning modes include “air-conditioning standby (cooling)”, “air-conditioning operation (cooling)”, “air-conditioning standby (heating)”, and “air-conditioning operation (heating)” modes, Each mode of “waiting for air conditioning (blowing to the windshield)” and “operating air conditioning (blowing to the windshield)” relating to windshield blowing is provided. Each air-conditioning standby mode corresponds to a state where an air-conditioning schedule is set but air-conditioning is not started.

The electrical component total control ECU 24 controls the operation of the electrical components such as the rear defogger 14, the lamps 15 such as the headlight and the position lamp, the door mirror 16 and the wiper, and grasps the operation status of these electrical components.
The communication ECU 4 includes a transmission / reception antenna unit 41, an IG terminal 42 that is connected to the ignition power source when the key switch is ON or START, a + B terminal 43 that is always connected to the battery power source, a ground ground terminal 44 that is grounded, CAN connection terminal 45 connected to high-speed CAN (CAN-C), charging standby signal output unit 46 for outputting a signal WUCI for temporarily waiting for the charging function, and WakeUp for starting the system of the electric vehicle And a system activation signal output unit 47 that outputs a signal WUCO.

[Display screen of smartphone (mobile communication device)]
Application software for the remote operation system is downloaded to the smartphone 3, and when this application software is activated, an image as shown in FIG. 9 is displayed on the screen of the touch panel display 30 of the smartphone 3.
However, when this application software is activated, verification processing for preventing unauthorized access is performed, and as a result, the application software can be executed only when authenticated. A process for starting the application software will be described later.

  FIG. 9 shows a home screen image (hereinafter referred to as a home screen) 100, which is displayed at the time of activation. In the home screen 100, a screen title display (home) 101, an update button (switch) 102, and an update date and time 103 are displayed in the upper edge area, and a home button 111, a timer are displayed in the lower edge area. A mode selection button (switch) for selecting each mode of the button 112, the vehicle information button 113, the vehicle operation button 114, and the setting button 115 is displayed. A home screen 100 shown in FIG. 9 is displayed at the time of activation or by a touch operation of the home button 111.

  In the central area excluding these upper and lower edge areas of the home screen 100, a charging state display 120, an air conditioning state 130, and a charge setting button 123 are displayed at the top, and a timer charging operation button 121 is displayed at the bottom. The timer charge setting state 122, the air conditioning setting button 131, the timer air conditioning operation button 132, and the timer air conditioning setting state 133 are displayed.

  If the traveling battery 11A is being charged, the charge state display 120 displays a mark 120A indicating that the battery is being charged. At the same time, the charging mode state 120B, that is, “rapid charge”, “normal charge, 200V” is displayed. "," Normal charge, 100V "is displayed. In addition, a charging plug state 120C indicating whether or not the charging gun is connected to the charging plug is also displayed. If charging is in progress, the charging plug state 120C is in the connected state. Further, although charging is not being performed, a charging schedule is set in advance with a timer, and if the charging plug state 120C is in the connected state, “charging standby” is displayed in the charging mode state 120B. Further, the charging state display 120 displays a schematic graph display 120D of the charging rate and a required time 120E until the charging is completed.

The timer charging operation button 121 is a switch for setting timer charging operation (on) or non-operation (off), and is turned on and off every time it is touched. Further, the switch can be identified by turning on (brightening) the switch and turning off (darkening) in the off state, or changing the color of the switch.
The rapid air-conditioning setting button 131 is a switch for setting operation (on) or non-operation (off) of rapid air conditioning (immediate air conditioning), and is turned on and off every time it is touched. Further, the switch can be identified by turning on (brightening) the switch and turning off (darkening) in the off state, or changing the color of the switch.

The timer air-conditioning operation button 132 is a switch for setting timer air-conditioning operation (on) or non-operation (off), and is turned on and off every time it is touched. Further, the switch can be identified by turning on (brightening) the switch and turning off (darkening) in the off state, or changing the color of the switch.
When the timer charging operation button 121 is turned on and then the timer button 112 is touched, a timer charging setting screen 200 is displayed as shown in FIG. In the timer charge setting screen 200, a screen title display (timer charge setting) 201, an update button (switch) 202, and a return button (switch) 203 are displayed in the upper edge area, and in the lower edge area. The timer setting button 211 and the transmission button 212 are displayed.

  In the central area excluding these upper and lower edge areas on the timer charge setting screen 200, the set charge schedule 220 for each day of the week is displayed in the left half, and full charge (full charge) is displayed in the right half. A selection switch 230 for determining whether or not to execute is displayed. The charging schedule 220 can be selected from a plurality of preset schedules (here, three types of timers 1, 2, and 3) or off (no timer charging).

  In order to change the settings of the timers 1, 2, and 3, the day of the week is selected in advance, and the timer setting button 211 is touched to display the timer setting screen 221 as shown in FIG. Switch. On the timer setting screen 221, a selection switch 222 for timers 1, 2, and 3 and a scroll screen 223 for charging start time (hour, minute) and charging end time (hour, minute) are displayed. 3 is selected and the time is set by operating the scroll screen for minutes at the charge start time or the charge end time. A charging time 224 is displayed at the bottom of the scroll screen 223 in conjunction with this time setting.

  A confirmation button 225 is displayed in the lower edge area of the timer setting screen 221. If the confirmation button 225 is touched, the timer charging setting screen 200 shown in FIG. If operated, the setting information of the charging schedule is transmitted to the communication ECU 4 of the vehicle. This charging schedule setting information is transmitted from the communication ECU 4 to the in-vehicle charging ECU 22 and stored in the memory of the in-vehicle charging ECU 22, and the in-vehicle charging ECU 22 performs charging according to the charging schedule stored in this memory.

  The charge setting button 123 is a switch for starting charging the battery 11A for travel or the auxiliary battery 11B in real time. When the charge setting button 123 is touched, a selection menu (not shown) is displayed. Then, guidance is provided to select whether to charge the battery for traveling 11A or to charge the auxiliary battery 11B, and the start of real-time charging is set for the selected battery. Then, although not shown in the drawing, the confirmation button and the transmission button displayed together with the selection menu are touch-operated, and after confirming the operation, if the transmission button is touch-operated, the batteries 11A and 11B are basically operated. Charging starts.

During charging of each battery 11A, 11B, the in-vehicle charging ECU 22 estimates the amount of charge (remaining capacity) of each battery 11A, 11B, and when each battery 11A, 11B is fully charged by this estimation. Is supposed to stop charging.
Similarly, when the timer air conditioning operation button 132 is turned on and then the timer button 112 is touched, a timer air conditioning setting screen 300 is displayed as shown in FIG. In the timer air conditioning setting screen 300, a screen title display (timer air conditioning setting) 301, an update button (switch) 302, and a return button (switch) 303 are displayed in the upper edge area, and in the lower edge area. The timer setting button 311 and the transmission button 312 are displayed.

  In the central area excluding these upper and lower edge areas on the timer air conditioning setting screen 300, the air conditioning schedule 320 for each set day of the week is displayed in the left half, and the air conditioning mode (heating, cooling, Def, Off) 330 is displayed. This charging schedule 320 can also be selected from a plurality of preset schedules (here, three types of timers 1, 2, and 3) or off (no timer charging).

  In order to change the setting of each of the timers 1, 2, and 3, as in timer charging, the day of the week is selected in advance, and the timer setting button 311 is touch-operated, as shown in FIG. The display is switched to the setting screen 321. On the timer setting screen 321, a selection switch 322 for timers 1, 2 and 3 and a scroll screen 323 for the air conditioner start time (hour, minute) are displayed. , Set the time by operating the minute scroll screen at the charge start time.

  A confirmation button 325 is displayed in the lower edge area of the timer setting screen 321. If the confirmation button 325 is touched, the timer air conditioning setting screen 300 shown in FIG. If operated, the setting information of the air conditioning schedule is transmitted to the communication ECU 4 of the vehicle. The charging schedule setting information is transmitted from the communication ECU 4 to the air conditioner ECU 23 and stored in the memory of the air conditioner ECU 23. The air conditioner ECU 23 starts air conditioning according to the charging schedule stored in the memory.

  When the vehicle information button 113 is touched on the home screen 100, a vehicle information screen 400 shown in FIG. 12 is displayed. In the vehicle information screen 400, a screen title display (vehicle information) 401 and an update button (switch) 402 are displayed in the upper edge area, and in the lower edge area, as in the home screen 100, Each button (switch) of the home button 111, the timer button 112, the vehicle information button 113, the vehicle operation button 114, and the setting button 115 is displayed.

In the central area excluding these upper and lower edge areas of the vehicle information screen 400, a status display 420 such as lamp lighting and door opening / closing is displayed in the upper half, and the power switch (power source) 17 is displayed in the lower half. State display 430 (on / off state display 430) and theft alarm state display 440 are performed.
When the vehicle operation button 114 is touch-operated, the vehicle operation screen (panic alarm) 500 shown in FIG. 13, the vehicle operation screen (parking position confirmation) 600 shown in FIG. 14, or the vehicle operation screen (door lock) shown in FIG. ) 700 is displayed.

  The power switch display 430 is an operation signal for switching the power switch 17 from OFF to ON when a touch operation is performed in the OFF state, and an operation for switching the power switch 17 from ON to OFF when the touch operation is performed in the ON state. An operation signal is transmitted to the vehicle side. Therefore, the power switch display 430 has a function of remotely operating the power switch 17 (power switch operation means) and a function of displaying the state of the power switch (power switch state display means).

  For example, when the vehicle operation button 114 is touch-operated on the home screen 100 or the vehicle information screen 400, first, the vehicle operation screen (panic alarm) 500 shown in FIG. 13 is displayed, and the vehicle operation button 114 is displayed on the vehicle operation screen 500. When the touch operation is performed, a vehicle operation screen (parking position confirmation) 600 shown in FIG. 14 is displayed. When the vehicle operation button 114 is touch-operated on the vehicle operation screen 600, a vehicle operation screen (door lock) 700 shown in FIG. Is done.

  In the vehicle operation screens 500, 600, and 700 shown in FIGS. 13, 14, and 15, screen title display (panic alarm, parking position confirmation, door lock) 501, 601, 701 and an update button ( Switch) 502, 602, and 702 are displayed, and in the lower edge area, as with the home screen 100, a home button 111, a timer button 112, a vehicle information button 113, a vehicle operation button 114, and a setting button 115 are displayed. Each button (switch) is displayed.

Switches (slide switches) and status display icons are displayed in the central area of the vehicle operation screens 500, 600, and 700 excluding these upper and lower edge areas.
In the case of the vehicle operation screen 500 of a panic alarm used for warning around the vehicle, the operation and stop of the panic alarm can be operated by sliding the panic alarm switch 511. The operation and stop of the panic alarm are icons. The display is performed by turning on (lightening) 521, turning off (darkening), changing the color, etc., and displaying characters.

  In the vehicle operation screen 600 for checking the parking position, the headlight can be turned on and off by sliding the headlight lighting switch 611. The position lamp can be turned on and off by sliding the position lamp lighting switch 612. The horn can be operated by sliding the horn operation switch 613. The headlights are turned on and off, the position lamps are turned on and off, and the horns are turned on and off. The icons 621, 622, and 623 are turned on (brighter) and turned off (darker). Alternatively, the display is performed by displaying the switch color or the like and by displaying characters.

  In the case of the door lock vehicle operation screen 700, a door lock signal (door lock signal) can be transmitted to the vehicle side by a sliding operation of the door lock switch 711, and the door lock can be operated. By sliding operation, a door unlock signal (door unlock signal) can be transmitted to the vehicle side to operate the door unlock. The door lock / unlock status and theft alarm status (theft alarm release, theft alarm set, and theft alarm in operation) are displayed by the icons 720, 721, and 722, the display color, and the characters. Accordingly, the door lock switch 711 and the door unlock switch 712 function as door locking / unlocking operation means, and the icons 720 and 721 function as door state display means.

  When the setting button 115 is touched, a setting screen 800 shown in FIGS. 16 and 17 is displayed. In the setting screen 800, a screen title display (setting) 801 and an update button (switch) 802 are displayed in the upper edge area, and a home button is displayed in the lower edge area as in the home screen 100. 111, a timer button 112, a vehicle information button 113, a vehicle operation button 114, and a setting button 115 are displayed.

  Setting items are displayed in the central area of the setting screen 800 excluding these upper and lower edge areas. Setting items include, for example, password entry omission, password change, SSID change, ANY connection, chassis number registration cancellation, vehicle settings, theft alarm history, vehicle software update, etc., and reference information includes version information, There are the number of registered smartphones. A setting screen 800 shown in FIG. 17 is obtained by scrolling the setting screen 800 shown in FIG.

  For example, when a unique Wi-Fi device such as the smartphone 3 is used for remote control of the vehicle, it is necessary to register the Wi-Fi device in the communication ECU 4 of the vehicle. In this case, the communication ECU 4 of the vehicle is set in a registerable state, the vehicle setting item is touch-operated to set the vehicle setting mode, the Wi-Fi device is connected to the vehicle, and the Wi-Fi password is set to the Wi-Fi device. It inputs and transmits to communication ECU4. Thereby, a Wi-Fi device is registered in communication ECU4 of a vehicle, and communication is attained by starting a smart phone application.

  Moreover, when updating the software of the communication ECU 4 on the vehicle side, it is possible to update the software of the communication ECU 4 using a smartphone via Wi-Fi communication by touching a vehicle software update item. In addition, if it is necessary to update the software of the vehicle, if there is no software update, each function may not work properly. In this case, a warning screen that recommends software update is displayed on the smartphone. It is like that.

[Display screen for specific input operations]
Hereinafter, when performing a specific input operation, that is, an operation of registering the smartphone 3 that is a Wi-Fi device in the communication ECU 4 and an operation of updating a vehicle-side program that is software of the vehicle-side communication ECU 4, The processing unique to this system that is performed to ensure the above will be described.

  First, when registering a certain smartphone 3 in the communication ECU 4, the vehicle setting item is touch-operated as described above to set the vehicle setting mode. In this vehicle setting mode, vehicle setting items are displayed on the screen of the touch panel display 30 of the smartphone 3. The vehicle setting items include control setting (setting of control target and control content by the electrical component total control ECU 24), vehicle information registration (registration of vehicle specific information to the smartphone 3), and device registration (specific information of the smartphone 3). Items such as registration in the communication ECU 4) are included.

  Here, when the vehicle information registration item is selected, the registration setting mode is set, and a vehicle information registration screen 800A is displayed as shown in FIG. Here, the vehicle identification number (Vehicle Identification Number, VIN) of the vehicle 1 is applied to the vehicle specific information. In the vehicle information registration screen 800A, a screen title display (vehicle information registration) 801A, an update button (switch) 802, and a return button (switch) 803 are displayed in the upper edge area, and in the lower edge area. A confirmation button 825A is displayed. In the central area excluding the upper and lower edge areas, a scroll screen 823A for each digit of the vehicle identification number is displayed at the lower part, and the set vehicle identification number column 820A is displayed at the upper part. Each switch etc. of this vehicle information registration screen 800A functions as the registration operation means 30e. Here, each digit of the vehicle identification number is set by operating the scroll screen 823A of each digit. The setting result is displayed in the vehicle identification number column 820A.

The setting number is confirmed by displaying the vehicle identification number field 820A. If the setting is correct, the confirmation button 825A is operated, and the registration of the vehicle identification number to the smartphone 3 is completed.
The vehicle identification number to be registered is specific information unique to each vehicle, and is information that cannot be known unless it is under specific conditions. And

  When the device registration item is selected, a device registration screen 800B is displayed as shown in FIG. Here, the Mac address (Media Access Control address, MAC address) of the smartphone 3 to be registered is applied to the unique information (mobile unique information). In the device registration screen 800B, a screen title display (device registration) 801B, an update button (switch) 802, and a return button (switch) 803 are displayed in the upper edge area, and a confirmation is displayed in the lower edge area. Button 825B is displayed. In the central area excluding the upper and lower edge areas, a scroll screen 823B for each digit of the Mac address is displayed at the lower part, and the set Mac address field 820B is displayed at the upper part. Here, each digit of the Mac address is set by operating the scroll screen 823B of each digit. The setting result is displayed in the Mac address field 820B.

The set address is confirmed by displaying the Mac address field 820B, and if the setting is correct, the confirm button 825B is operated to confirm the Mac address to be registered.
Since this Mac address (mobile unique information) is transmitted from the smartphone 3 to the communication ECU 4 and registered in the communication ECU 4, when the confirmation button 825B is operated, the screen shifts to a transmission screen shown in FIG. Here, when the transmission button 812B displayed on the transmission screen is operated, transmission information is transmitted to the communication ECU 4.

  The Mac address (mobile unique information) corresponds to each smartphone 3 and can be easily obtained as information registered in the smartphone 3 itself. If the Mac address can be freely registered in the communication ECU 4, the other person can register his / her smartphone 3 without permission, and security must be taken into consideration. Therefore, the system is provided with a processing function for ensuring security as described later.

Next, a process for updating the software of the communication ECU 4 on the vehicle side, which is one of specific input operations, will be described.
As described above, the setting items displayed on the setting screen 800 include vehicle software update. When this vehicle software update item (update mode as update operation means) is selected, a vehicle software update operation screen (not shown) is displayed. For example, the communication ECU 4 is connected to the Internet using the Wi-Fi communication function. Indirectly, for example, by directly updating or downloading the update data by connecting the smartphone 3 to the Internet using the Wi-Fi communication function and transmitting the update data to the communication ECU 4 using the Wi-Fi communication function. It can be updated.

  When the vehicle software update can be transmitted from the smartphone 3 to the communication ECU 4 and operated, the convenience is enhanced, but if anyone can easily perform the update, this can be abused and use of an appropriate user is hindered. There is also a fear. Therefore, the system is provided with a processing function for ensuring security as described later.

[Process to ensure security when performing specific input operations]
Here, processing for ensuring the security characteristic peculiar to the present system will be described. When a specific input operation, here, the MAC address (mobile unique information) of the smartphone 3 is registered in the communication ECU 4 and the vehicle software is updated, the input is performed only when a predetermined specific condition is satisfied. Configured to allow.

That is, as shown in FIG. 1, the registration information is transmitted from the smartphone 3 to the communication ECU 4 during the registration operation of the Mac address (mobile unique information) by the registration operation means 30e of the smartphone 3, and the smartphone is updated when the vehicle software is updated. The update information is transmitted from 3 to the communication ECU 4.
The communication ECU 4 has a function (permission means) 40c that permits an input by the smartphone 3, that is, a registration operation of the smartphone 3 or an update operation of the vehicle software only when a preset specific condition is satisfied. The permitting unit 40c is configured to instruct the smartphone 3 to input the vehicle identification number VIN, which is vehicle-specific information, during the input operation by the smartphone 3, and the smartphone 3 in response to an instruction from the instruction unit 40d. If the function (input verification means) 40e for verifying the vehicle identification number VIN input by transmission from the vehicle identification number VIN registered in the communication ECU 4 matches the verification by the input verification means 40e, the specific condition is satisfied. A function (determination means) 40f that permits the input operation as satisfied and rejects the input operation as the specific condition is not satisfied if the collation does not match.

  Further, when the registration operation of the smartphone 3 or the update operation of the vehicle software is not permitted, that is, when these input operations are rejected, at the same time, for example, “input condition is set on the touch panel display 30 of the smartphone 3. A message such as “Not satisfied” or “The transmitted vehicle identification number is not correct” is displayed.

  When the instruction unit 40d instructs the input of the vehicle identification number VIN, the touch panel display 30 of the smartphone 3 has an input screen (vehicle information input screen) 800A ′ for the vehicle identification number VIN as shown in FIG. 20B, for example. Is displayed. In the input screen 800A ′, a screen title display (device registration) 801B, an update button (switch) 802, and a return button (switch) 803 are displayed in the upper edge area, and in the lower edge area, A send button 812B and a confirm button 825B are displayed. In the central area excluding the upper and lower edge areas, a scroll screen 823A ′ for each digit of the vehicle identification number is displayed at the lower part, and the set vehicle identification number column 820A ′ is displayed at the upper part. Here, each digit of the vehicle identification number is set by operating the scroll screen 823A ′ of each digit. The setting result is displayed in the vehicle identification number column 820A ′. Here, if the vehicle identification number is confirmed by operating the confirmation button 825B and then the transmission button 812B is operated, the vehicle identification number information is transmitted from the smartphone 3 to the communication ECU 4.

FIG. 3 is a flowchart showing a process for registering the Mac address (mobile unique information) of the smartphone 3 in the communication ECU 4. The flowchart in FIG. 3 is repeated at a predetermined cycle with a predetermined cycle when the communication ECU 4 is in a standby state.
As shown in FIG. 3, first, on the communication ECU 4 side, it is determined whether or not the registration operation of the smartphone 3, that is, whether or not registration information is transmitted from the smartphone 3 to the communication ECU 4 (step A <b> 10). If so, it is determined whether or not the flag F1 is 0 (step A20). The flag F1 is set to 1 when it is determined that the registration operation is performed, and is set to 0 in other cases.

If the flag F1 is 0, the smartphone 3 is instructed to input the vehicle identification number VIN, which is vehicle specific information (step A30, instruction step), the flag F1 is switched to 1 (step A40), and the timer is started ( Step A50).
Next, it is determined whether the vehicle identification number VIN is input from the smartphone 3 to the communication ECU 4 (step A60). If there is no input, it is determined whether the count value T of the timer is equal to or greater than the predetermined value T1 (step A80). ). The timer T is configured to accept input transmission of the vehicle identification number VIN from the smartphone 3 to the communication ECU 4 only during a certain period (that is, the timer value T is less than the predetermined value T1).

If the vehicle identification number VIN is input within a certain period (timer value T is less than the predetermined value T1), the input vehicle identification number VIN is checked against the vehicle identification number VIN registered in the communication ECU 4 (step A70). , Matching step). And it is determined whether the collation by the collation step matched (step A90, determination step).
If this collation matches, the registration operation is permitted because the specific condition is satisfied (step A100, determination step), and if this collation does not match, the registration operation is rejected because the specific condition is not satisfied (step A110, determination). Step). In this case, it is displayed that the registration operation of the smartphone 3 is prohibited due to mismatch.

When the determination step is completed and when the vehicle identification number VIN is not input within a certain period (timer value T is less than the predetermined value T1), the timer is reset to 0 and the flag F1 is reset to 0 for control. finish.
FIG. 4 is a flowchart showing a process when the vehicle software of the communication ECU 4 is updated by the update operation means 30f of the smartphone 3. The flowchart in FIG. 4 is repeated at a predetermined cycle with a predetermined cycle when the communication ECU 4 is in a standby state.

  As shown in FIG. 4, it is first determined on the communication ECU 4 side whether or not an operation for updating the vehicle software by the smartphone 3 has been performed (step B10). If the update operation has been performed, the flag F2 is 0 or not. It is determined whether or not (step B20). The flag F2 is set to 1 when it is determined that the update operation is started, and is set to 0 in other cases.

If the flag F2 is 0, the smartphone 3 is instructed to input the vehicle identification number VIN which is vehicle specific information (step B30, instruction step), the flag F2 is switched to 1 (step B40), and the timer is started ( Step B50).
Next, it is determined whether the vehicle identification number VIN has been input from the smartphone 3 to the communication ECU 4 (step B60). If there is no input, it is determined whether the count value T of the timer is equal to or greater than the predetermined value T2 (step B80). ). The timer T is configured to accept input transmission of the vehicle identification number VIN from the smartphone 3 to the communication ECU 4 only during a certain period (that is, the timer value T is less than the predetermined value T2).

If the vehicle identification number VIN is input within a certain period (timer value T is less than the predetermined value T2), the input vehicle identification number VIN is checked against the vehicle identification number VIN registered in the communication ECU 4 (step B70). , Matching step). And it is determined whether the collation by the collation step matched (step B90, determination step).
If this collation matches, the update operation by the smartphone 3 is permitted because the specific condition is satisfied (step B100, determination step), and if this collation does not match, the update operation by the smartphone 3 is rejected because the specific condition is not satisfied. (Step A110, determination step). In this case, it is displayed that the update registration operation of the smartphone 3 is prohibited due to the mismatch of verification.

When the determination step is completed and when the vehicle identification number VIN is not input within a certain period (timer value T is less than the predetermined value T2), the timer is reset to 0 and the flag F2 is reset to 0 for control. finish.
The application software of the smartphone 3 includes a function (comparison means) 30g that acquires the version of the vehicle software and compares the version of the application software of the smartphone 3 and the vehicle software when communicating with the communication ECU 4. If the version of the vehicle software is older, the function (operation guidance means) 30h for transmitting the information to the communication ECU 4 and guiding the update of the vehicle software and the version of the application software of the smartphone 3 are older. A function (operation guidance means) 30h for guiding the update of the application software to the smartphone 3 is provided.

[Processing at application startup]
When the application software loaded on the smartphone 3 is activated in this embodiment, a verification process for preventing unauthorized access is performed.
The smartphone 3 by a touch operation to thereby display the present application icon, so that can be executed by activating this application (application execution means). In this system, when this application is started, communication is performed between the communication ECU 4 and the smartphone 3, each unique information is exchanged, and the communication ECU 4 and the smartphone 3 communicate with the unique information registered in advance. If the collation is matched by the function that collates with the unique information received by (startup collating means) and the collation by the starting collation means, the execution of the application is permitted. A function (execution control means) 30c that prohibits execution of the application is provided as software.

  The smart phone 3 is registered with a vehicle identification number VIN (vehicle unique information) that is unique information of the vehicle together with a Mac address (mobile unique information) that is unique information of the smartphone 3. A Mac address (mobile unique information) that is unique information of the smartphone 3 is registered in advance together with the vehicle identification number VIN (vehicle unique information) that is unique information.

  The startup verification unit includes a function (first transmission unit) 30a that transmits a Mac address (mobile unique information) registered in the smartphone 3 from the smartphone 3 to the communication ECU 4 when the smartphone 3 starts the application. A function (first verification unit) 40a for comparing the MAC address transmitted by the first transmission unit 30a with the MAC address registered in the communication ECU 4 is collated, and the verification by the first verification unit 40a matches. Then, the vehicle identification number VIN (vehicle specific information) registered in the communication ECU 4 is transmitted to the smartphone 3, and if the verification by the first verification unit 40a does not match, the verification mismatch signal is transmitted to the smartphone 3 (second When the vehicle identification number VIN is transmitted by the transmission means) 40b and the second transmission means 40b, And a, a function (second comparing means) 30b for matching compared to the vehicle identification number VIN registered the transmitted vehicle identification number VIN smartphone 3.

The 1st transmission means 30a and the 2nd collation means 30b are equipped as software loaded into the smart phone 3, and the 1st collation means 40a and the 2nd transmission means 40b are equipped as the software loaded into communication ECU4.
The execution control unit 30c, when the verification by the second comparing means 30b match is allowed to run the application, disagreement optionally or second transmission means 40b is collated by the second comparing means 30 b do not match Execution of this application is prohibited when a signal is transmitted.

When the execution control unit 30c prohibits the execution of the application, the execution control unit 30c displays a message to that effect on the touch panel display 30 of the smartphone 3, for example, “The application cannot be executed due to an authentication mismatch”, and the application cannot be executed. Terminate the application.
FIG. 5 is a flowchart showing processing at the time of starting an application. The flowchart in FIG. 5 is repeated at a predetermined cycle at a predetermined cycle when the smartphone 3 is activated.

  As shown in FIG. 5, first, it is determined whether or not the application is activated by the smartphone 3 (step C10). When the application is activated, the Mac address registered in the smartphone 3 from the smartphone 3 to the communication ECU 4 is determined. (Mobile unique information) is transmitted (step C20, first transmission step). When the MAC address is transmitted from the smartphone 3 to the communication ECU 4, the communication ECU 4 compares the transmitted MAC address with the MAC address registered in the communication ECU 4 (step C30, first verification step).

  Here, it is determined whether or not the verification of the Mac address matches (step C40). If this collation matches, vehicle identification number VIN is transmitted from communication ECU 4 to smartphone 3 (step C50, second transmission step). The smartphone 3 compares and compares the transmitted vehicle identification number VIN with the vehicle identification number VIN registered in the smartphone 3 (step C60, second verification step).

Here, it is determined whether or not the verification of the vehicle identification number VIN matches (step C70). If this collation matches, execution of this application is permitted (step C90).
On the other hand, if the verification of the Mac address in the communication ECU 4 does not match, a verification mismatch signal is transmitted from the communication ECU 4 to the smartphone 3 (step C80).
When a verification mismatch signal is transmitted from the communication ECU 4 to the smartphone 3 or when the verification of the vehicle identification number VIN does not match in the smartphone 3, the execution of this application is prohibited (step C100) and the touch panel display of the smartphone 3 is displayed. A message to that effect, such as “Application cannot be executed due to authentication mismatch”, is displayed on the screen 30 (step C110).

[Processing during application execution]
Each ECU21~24 etc. of the vehicle network 2 (on-vehicle equipment control device), the vehicle specific information and the vehicle identification number VIN are pre-registered it, each ECU21~24 of the vehicle network 2, FIG. 2 As shown in the figure, during communication between the communication ECU 4 and each of the ECUs 21 to 24 of the vehicle network 2 and the like, functions (a communication time verification means) 21a to 24a for verifying a vehicle identification number VIN as vehicle specific information, and a communication time verification means 21a. A function (communication control means) 21b that permits communication with the communication ECU 4 when the collation is matched by 24a, and prohibits communication with the communication ECU 4 when the collation is not matched by the collation means 21a to 24a during communication. 24b is provided as software.

FIG. 6 is a flowchart showing processing during execution of the application. The flowchart in FIG. 6 is repeated at a predetermined cycle at a predetermined cycle when the vehicle network 2 is operated.
As shown in FIG. 6, first, it is determined whether or not there is a call from the communication ECU 4 to the vehicle network 2 (step D10). If there is a call, each of the ECUs 21 to 24 on the vehicle network 2 side sends the communication ECU 4 in advance. The vehicle identification number VIN as vehicle specific information that is registered and added to the data at the time of transmission from the communication ECU 4 is compared with the vehicle identification number VIN registered in itself (step D20, verification step during communication).

  Here, it is determined whether or not the verification of the vehicle identification number VIN matches (step D30, determination step). If this collation matches, communication from the communication ECU 4 to the vehicle network 2 is permitted (step D40, determination step). On the other hand, if the verification of the vehicle identification number VIN does not match, communication from the communication ECU 4 to the vehicle network 2 is prohibited (step D50), and that is displayed on the screen of the display inside the vehicle and the touch panel display 30 of the smartphone 3. For example, a message such as “communication within the vehicle cannot be executed due to an authentication mismatch” is displayed (step D60).

[Action and effect]
Since the remote control system for in-vehicle devices according to an embodiment of the present invention is configured as described above, the following operations and effects can be obtained.
By using the smartphone 3 that has become widespread, various in-vehicle devices of the vehicle can be operated, monitored, and managed remotely by remote operation. For example, the on / off operation of the key switch 17 of the vehicle 1, the lock operation / unlock operation of the lock / unlock mechanism 19 of each door, and the operation of starting and ending charging of the traveling battery 11 </ b> A and the auxiliary battery 11 </ b> B are performed remotely. It can be implemented by operation.

In addition, since charging can be started and ended in advance and charging can be performed in accordance with the schedule, charging management when the vehicle is used at regular timing can be easily performed.
At this time, since the charging state of the traveling battery 11A can be displayed on the display 30 of the smartphone 3 based on the information transmitted from the in-vehicle charging ECU 22, the charging of the traveling battery 11A to be particularly understood is required. The state (remaining capacity) can be easily confirmed.

  Furthermore, since the air conditioner 12 can be activated remotely by using the smartphone 3 away from the vehicle, a comfortable air conditioning state can be realized at the time of getting into the vehicle interior by so-called pre-air conditioning. it can. In addition, since the start timing of the air conditioner 12 is set in advance and the operation of the air conditioner 12 can be performed in accordance with the schedule, the air conditioning management when the vehicle is used at regular timing can be easily performed.

Also in this case, since the operating state of the air conditioner device 12 according to the operation operation signal can be displayed on the display 30 of the smartphone 3, the air conditioning state of the vehicle can be easily confirmed.
In addition, Wi-Fi communication is used for communication between the smartphone 3 and the vehicle-side communication ECU 4, but the Wi-Fi communication has a relatively high communication speed and can secure a relatively long wireless communication distance. Because of its versatility, it can communicate without infrastructure maintenance, and running costs can be kept low. For this reason, Wi-Fi devices such as the smartphone 3 can be used to comfortably perform remote control of in-vehicle devices at a stress-free speed and a relatively long wireless communication distance (for example, about 200 m) while suppressing an increase in cost. It can be carried out. Also, the running cost can be kept low.

  In the case of this system, when a specific input operation such as registration of unique information of the smartphone 3 or update of the vehicle-side program is performed by the smartphone 3 to the communication ECU 4 on the vehicle side, a predetermined specific condition is satisfied. Since this input is permitted only when it is performed, it is possible to prevent other people from accessing the device on the vehicle side in an unauthorized manner to remotely control the in-vehicle devices and to prevent interference with the proper use of the user. .

  In particular, for such input permission, vehicle specific information (in the case of the present embodiment, vehicle identification number VIN) is input from the smartphone 3 and the vehicle specific information is verified in response to this. The input operation is allowed as satisfied, and if the verification does not match, the input operation is rejected because the specific condition is not satisfied. Can be reliably prevented.

In addition, when a specific input operation is not permitted, a message to that effect is displayed on the smartphone 3, so that it becomes easier for the operator to notice when an operation for the input condition, that is, input of vehicle-specific information is wrong, It is easy to take appropriate measures.
In particular, in the case of this system, since the input operation can be performed by the smartphone 3, the convenience can be improved.

In addition, when the specific input operation is an operation for registering mobile unique information (mac address in the case of this embodiment), which is unique information of the smartphone 3, in the communication ECU 4, this registration operation inputs vehicle unique information. Since it cannot be performed unless a specific condition is satisfied, for example, the mobile operator can register the mobile unique information in the communication ECU 4 on the vehicle side.
Then, by enabling the remote operation of the vehicle only to the smartphone 3 in which the unique information is registered in advance in the communication ECU 4 on the vehicle side, only the appropriate smartphone 3 can perform the remote operation. Can be prevented from illegally accessing the device on the vehicle side.

In addition, if the specific input operation is an operation for updating the vehicle-side program, this update operation cannot be performed unless specific conditions such as inputting vehicle-specific information are satisfied. The program can be updated. Therefore, it is possible to prevent others from operating the vehicle side program illegally.
Moreover, in this system, in the smart phone 3, the version of the vehicle side program downloaded to communication ECU4 grade | etc., And the application program downloaded to the smart phone 3 are compared, and if the version of a vehicle side program is older, it will update. Since the operation is guided, the version upgrade of the vehicle side program can be carried out without forgetting. Further, if the version of the application software of the smartphone 3 is older, the update of the application software is guided to the smartphone 3, so that the upgrade of the application software of the smartphone 3 can be performed without forgetting.

  In addition, when this application for performing remote operation of the vehicle by the smartphone 3 is started, communication is performed between the smartphone 3 and the communication ECU 4 on the vehicle side. If the collation matches, the application is allowed to be executed, and if the collation does not match, the application execution is prohibited, so that unauthorized use of the application can be prevented.

  In the case of the present system, this collation processing is performed by transmitting the mobile unique information registered in the smartphone 3 (in the case of the present embodiment, the Mac address) from the smartphone 3 to the communication ECU 4 on the vehicle side. The mobile unique information is compared with the mobile unique information registered in the communication ECU 4 and collated. If the collation is matched, the vehicle unique information registered in the communication ECU 4 in the smartphone 3 (in this embodiment, vehicle identification number VIN). In the smartphone 3, the transmitted vehicle-specific information is compared with the vehicle-specific information registered in the smartphone 3, and the execution of the application is permitted only when the verification matches. This is a verification, which further increases security.

If the verification in the vehicle-side communication ECU 4 does not match or the verification in the smartphone 3 does not match, the execution of the application is prohibited and the fact is displayed on the smartphone 3, so that an appropriate user mistakenly installs the device. This can be grasped when operated.
Moreover, when communicating with each ECU21~24 like communication ECU4 and the vehicle network 2 in the vehicle (vehicle-mounted equipment controller), or the like each ECU21~24 is, in the case of vehicle-specific information (in this embodiment that is registered to itself Vehicle identification number VIN) and vehicle specific information received by communication with communication ECU 4 are collated, and communication with communication ECU 4 is permitted when the collation is matched, and communication ECU 4 is communicated with when collation is not matched. Since the communication is prohibited, for example, when the communication ECU 4 is illegally exchanged, access from the unauthorized communication ECU 4 to the ECUs 21 to 24 and the like is prevented, and security can be ensured.

When the communication with the communication ECU 4 is prohibited due to the mismatch of the verification, if the fact is displayed on the display means provided in the vehicle, the operator can easily grasp the situation and easily take an appropriate action.
The smartphone 3 can output the door locking signal or the door unlocking signal of the vehicle 1 and operate the door lock / unlock mechanism 19 by remote control to lock and unlock the door. Since the door lock / unlock state is displayed on the smartphone 3, the door lock / unlock state can be confirmed without approaching the vehicle, and the convenience of the door locking / unlocking operation is enhanced. . On the other hand, when such remote control becomes possible, anxiety about security is increased, but since the security is ensured as described above, such anxiety can be resolved.

  In addition, since the smartphone 3 can output an operation signal of the power switch 17 and operate the power switch driving mechanism by remote operation to turn the power switch on and off, the convenience can be improved, and the power switch can be connected to the mobile communication device. Since the state is displayed, the state of the power switch can be confirmed without approaching the vehicle, and the convenience is improved in operating the power switch. On the other hand, when such remote operation becomes possible, anxiety about security increases, but as described above, security is ensured, so that such anxiety can be resolved.

In addition, the vehicle identification number VIN is applied to the vehicle unique information, and the Mac address is applied to the mobile unique information, so that each unique information can be registered smoothly and security is ensured. Cheap.
[Others]
As mentioned above, although embodiment of this invention was described, this invention is not limited to this embodiment, In the range which does not deviate from the meaning of this invention, this embodiment can be changed suitably and can be implemented.

  For example, when performing a specific input operation such as an operation of registering the smartphone 3 as a Wi-Fi device in the communication ECU 4 or an operation of updating a vehicle-side program as software of the communication ECU 4 on the vehicle side, security is ensured. Therefore, it is configured to permit input only when a preset specific condition is satisfied, and in the above embodiment, the vehicle identification number VIN which is vehicle specific information is used as the specific condition. The vehicle specific information is not limited to this.

In the above embodiment, it is assumed that the specific condition is satisfied that the verification of the vehicle-specific information is matched, but the specific condition is for ensuring security and is information that cannot be known by anyone other than the parties. It is not limited to collation of vehicle specific information, such as confirming.
Similarly, when the application is started by the smartphone 3, the vehicle unique information and the mobile unique information are collated. If any of the collations matches, the execution of the application is permitted. The vehicle unique information includes the vehicle identification number VIN. However, although the Mac address is applied to the mobile specific information, the vehicle specific information and the mobile specific information in this case are not limited to these.

In addition, at the time of starting this application by the smartphone 3, it may be determined by performing only one of vehicle specific information verification and mobile specific information verification. A certain level of security can be ensured with simple logic.
Similarly, each ECU21~24 like of the vehicle network 2 in (vehicle equipment control device), when communicating with the communication ECU 4, only when the authentication is successful by matching the vehicle identification number VIN of the vehicle-specific information of the communication ECU 4 Although communication is permitted, the vehicle-specific information in this case is not limited to this.

  In the above-described embodiment, an example in which Wi-Fi communication is used as wireless LAN communication has been described. However, the communication standard that can be used is not limited to this, and other wireless LAN communication or wireless communication can also be used. . Of course, like Wi-Fi communication, it is preferable that the communication speed is high, a relatively long wireless communication distance can be secured, the infrastructure is not required to be maintained, and the running cost can be kept low. .

In the case of a communication standard having such characteristics, the standby current of the wireless communication device on the vehicle side may increase as in Wi-Fi communication. In this case, as in the present invention, a specific time It is effective to suppress the battery consumption of the vehicle by setting only the band to the reception standby state.
In addition, each timer setting may be performed not by a mobile communication device but by an in-vehicle operation device.

  INDUSTRIAL APPLICABILITY The present invention is effective for a system that operates an in-vehicle device that is mounted on an automobile and operates a high-voltage power supply, and is particularly versatile in a system having a control mode that automatically operates the in-vehicle device by setting a timer. It is effective for ensuring security when using a mobile communication device with high level.

DESCRIPTION OF SYMBOLS 1 Vehicle 2 Vehicle network 3 Multifunctional portable terminal (smart phone) as a mobile communication device
4 Communication ECU (wireless communication equipment, EV remote ECU)
11A Battery for travel (vehicle equipment)
11B Auxiliary battery (vehicle equipment)
12 Air conditioner (vehicle equipment)
13 Audio and car navigation system (vehicle equipment)
14 Rear defogger (vehicle equipment)
15 Lamps (vehicle equipment)
16 Door mirror (vehicle equipment)
17 Power switch 19 Lock / unlock mechanism (door lock / unlock mechanism)
21 Vehicle ECU
21a to 24a Communication time verification means 21b to 24b Communication control means 22 On-vehicle charging ECU (charger)
23 Air conditioner ECU
24 Electrical component total control ECU
30 Touch panel display 30a First transmission means (start-up verification means)
30b Second verification means (start-up verification means)
30c Execution control means 30d Application execution means 30e Registration operation means 30f Update operation means 30g Comparison means 30h Operation guidance means 40a First verification means (startup verification means)
40b Second transmission means (start-up verification means)
40c Permission means 40d Instruction means 40e Input verification means 40f Determination means 41 Transmission / reception antenna section 42 IG terminal 43 + B terminal 44 Grounding ground terminal 45 CAN connection terminal 46 Charging standby signal output section 47 System activation signal output section 51 Electric vehicle CAN (EV -CAN)
52 Electrical Components CAN (SUB-CAN)

Claims (6)

  1. An in-vehicle device control device that is installed in a vehicle and controls in-vehicle devices mounted on the vehicle;
    A mobile communication device for remotely operating the vehicle-mounted devices through the vehicle-mounted device control device;
    A vehicle-side wireless communication device that is mounted on the vehicle, connected to the vehicle-mounted device control device via a vehicle network, and interposed between the vehicle-mounted device control device and the mobile communication device ;
    The vehicle-mounted device control device, the mobile communication device, and the vehicle-side wireless communication device are vehicle-specific information remote operation systems in which vehicle-specific information that is unique information of the vehicle is registered ,
    Application execution means for executing an application for performing the remote operation by the mobile communication device;
    At the start of the application, when starting said to implement communications between the mobile communications device and the vehicle-side wireless communication device, matching with the vehicle-specific information received by the communication with the pre-registered the vehicle-specific information Matching means;
    Execution control means for permitting execution of the application when the collation is matched by the startup verification means, and prohibiting execution of the application when the verification is not matched by the startup verification means ,
    At the time of network communication between the in-vehicle device control device and the vehicle-side wireless communication device by the vehicle network, the vehicle-specific information is added to the communication information and transmitted,
    In the in-vehicle device control device,
    At the time of communication with the vehicle-side wireless communication device, the communication time verification means for verifying the vehicle-specific information registered in the vehicle-mounted device control device and the vehicle-specific information received by the communication with the vehicle-side wireless communication device When,
    Communication with the vehicle-side wireless communication device is permitted when the verification is matched by the communication-time verification means, and communication with the vehicle-side wireless communication device is prohibited when the verification is not matched by the communication-time verification means A remote control system for in-vehicle devices, characterized in that communication control means is provided .
  2. Wherein the mobile communication device, is registered before Symbol vehicle both specific information with the mobile-specific information is specific information of itself, the said vehicle wireless communication device, mobile-specific information is registered in advance together with the vehicle-specific information,
    The startup verification means includes:
    A first transmission that is installed in the mobile communication device and transmits the mobile specific information registered in the mobile communication device from the mobile communication device to the vehicle-side wireless communication device when the application is started by the mobile communication device. Means,
    A first verification unit that is installed in the vehicle-side wireless communication device and compares the mobile-specific information transmitted by the first transmission unit with the mobile-specific information registered in the vehicle-side wireless communication device;
    When the vehicle-side wireless communication device is equipped and the collation of the first collation means is matched, the vehicle-specific information registered in the vehicle-side radio communication device is transmitted to the mobile communication device, and the first collation means A second transmission means for transmitting a verification mismatch signal to the mobile communication device if the verification does not match;
    It is equipped in the mobile communication device, and a second comparing means for matching compared to the vehicle-specific information registered with the vehicle-specific information that is sent to the Mobile communications equipment by the second transmitting means ,
    The execution control means is provided in the mobile communication device, and permits execution of the application when the collation by the second collation means matches, and when the collation by the second collation means does not match or the second The remote operation system for in-vehicle devices according to claim 1, wherein execution of the application is prohibited when the verification mismatch signal is transmitted by a transmission means.
  3. A vehicle identification number is applied to the vehicle specific information,
    The remote control system for in-vehicle devices according to claim 2 , wherein a Mac address is applied to the mobile specific information.
  4. The in-vehicle device according to any one of claims 1 to 3, wherein the execution control means displays the fact on the mobile communication device when the execution of the application is prohibited. Remote control system .
  5. The communication control means, when prohibiting communication with the vehicle-side wireless communication device, displays the fact on a display means equipped on the vehicle . The remote control system for in-vehicle devices according to item 1 .
  6. Wherein the communication with the mobile communications device and the vehicle-side wireless communication device, wherein the wireless LAN communication is used, in-vehicle equipment remote control system according to any one of claims 1-5.
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JP2018170990A (en) * 2017-03-31 2018-11-08 ヤンマー株式会社 Autonomous travel system for farm work vehicle

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