CN105848144A - Vehicle communication device - Google Patents

Abstract

The invention relates to a vehicle communication device. According to the invention, an information transmission ECU (110a) arranged on a vehicle obtains and accumulates vehicle information output by a plurality of vehicle ECUs (110) connected with a CAN communication line (120) and transmits the accumulated vehicle information to a mobile information terminal (300) establishing short-range wireless communication by utilizing a short-range communication control device (150). The mobile information terminal (300) sends received vehicle information in sequence to a vehicle information center (200) through an external communication line network (400). The mobile information terminal (300) feeds information confirming vehicle information sending completion to the information transmission ECU (110a) after obtaining the information confirming vehicle information sending completion from the vehicle information center (200). The information transmission ECU (110a) deletes sent vehicle information based on the obtained information.

Description

Vehicle communication device

Present patent application is to be 201180070368.X (international application for Chinese Patent Application No. Number be the application that enters National Phase in China of the international application of PCT/JP2011/061969), applicant For Toyota Motor Corporation rep. and Denso Corp, the patent of invention entitled vehicle communication device The divisional application that application proposes.

Technical field

The present invention relates to utilize the communication terminal mutually independent with vehicle to carry out vehicle and outside leading to The vehicle communication device of letter.

Background technology

In the past, the most known information of vehicles collection system having as shown in following patent documentation 1. In this existing information of vehicles collection system, by the network information of transmission on vehicle network by net Network interface, vehicle side communication interface and the end side communication connected by non-contacting wireless mode are connect Mouth sends to the communication terminal with image recording structure, and utilizes this communication terminal to external server Transmission information.Thereby, it is possible to reduce cost when being equipped on vehicle.

It addition, in the past, such as it is known that the in-vehicle information as shown in following patent documentation 2 Processing means.This existing in-vehicle information processing means possesses Bluetooth (registered trade mark) module, Set by radio communication and the various electronics possessing Bluetooth (registered trade mark) function being positioned at car Standby, such as portable phone, microphone unit, portable audio player, portable personal, The exchange information such as personal computer device.Thus, many with in the vehicles by wireless near field communication Individual electronic equipment is connected with each other, it is possible to easily carry out information transmission between various electronic equipments.

It addition, in the past, such as it is known that the automobile wireless number as shown in following patent documentation 3 According to communication system.This existing automobile wireless data communication system possesses: there is wireless data and lead to The mobile device of the memory element believing unit and save network foundation code；With there is wireless data Communication unit and the storage saving the network foundation code corresponding with described network foundation code The mobile unit of unit, mobile device close to mobile unit can be within communication distance in the case of, Utilize inquiry communication to carry out the verification of network foundation code, when consistent, set up wireless link to make car Carry equipment side and become state of activation.Thereby, it is possible to make mutually to carry out between mobile device and mobile unit Operation summary during data communication.

It addition, in the past, such as it is known that the wagon control system as shown in following patent documentation 4 System.In this existing vehicle control system, possess and the instruction sent from shifter is sent to car Carry the certification ECU, certification ECU of LAN to the 1st identification additional in the instruction of shifter Code is checked, if confirming as is regular user, then using the 2nd identification code that prestores as spy Determine code, send and be attached with the instruction of encrypted code obtained by the encryption of this special code.Further, to vehicle-mounted LAN Communication carry out the gateway ECU of intermediary and special code checked, as long as confirming as is from regular The instruction of equipment (user), just transmits this instruction.Thus, it is therefore prevented that illegality equipment is connected It is connected to the situation of vehicle-mounted LAN.

It addition, in the past, such as it is known that the vehicle diagnostics system as shown in following patent documentation 5 System.In this existing vehicle diagnosing system, possess to in-vehicle information apparatus, VATS Vehicle Anti-Theft System, Exempt from existing wireless communication unit and Electronic Control in the vehicle that key engine starting system etc. is possessed Whether the communication between unit is normally carried out, or whether wireless communication unit is normally carried out the merit of inspection Energy.Thus, wireless communication unit be need not newly add and electronic control unit and wireless communication unit connected Order wire, it is possible to low price by the diagnostic message of vehicle to outside vehicle send.

Further, in the past, such as, it is known that the car-mounted terminal as shown in following patent documentation 6 sets Standby.In this existing vehicle-mounted terminal equipment, the system at center is according to the pilferage report from user Accuse and in the presence of confirming vehicle-mounted terminal equipment or achieve power supply has been put into this In the case of situation carries out the signal notified, send Email.Further, vehicle-mounted terminal equipment is in reality Execute intermitten and in the case of receiving Email, content is confirmed, and start corresponding letter The transmission of breath processes.Thus, need not periodically set up vehicle-mounted terminal equipment with in circuit in the heart, vehicle-mounted Terminal unit will carry out cognition to it when the inquiry that there is information.

Patent documentation 1: Japanese Unexamined Patent Publication 2006-160126 publication

Patent documentation 2: Japanese Unexamined Patent Publication 2001-239897 publication

Patent documentation 3: Japanese Unexamined Patent Publication 2001-218262 publication

Patent documentation 4: Japanese Unexamined Patent Publication 2005-343430 publication

Patent documentation 5: Japanese Unexamined Patent Publication 2002-257690 publication

Patent documentation 6: Japanese Unexamined Patent Publication 2003-341481 publication

It addition, in above-mentioned existing device and system, when to outside transmission information, only vehicle-mounted Side apparatus with and the mutually independent communication terminal with communication function of vehicle between set up near radio Under the situation of communication, can be to outside transmission information.But, sending to outside, quantity of information is many During information, need to set up for a long time wireless near field communication, but such as exist because user will communicate eventually End is taken out of and is waited outside car and cause the probability that the foundation of communication is forcibly turned off during sending, so If communication cannot be resettled, then it may happen that the situation that cannot reliably information be sent to outside.

Summary of the invention

The present invention completes to solve above-mentioned problem, and one of its purpose is, it is provided that Yi Zhongyu And whether set up communication independently between the mutually independent communication terminal of vehicle, it is possible to utilize communication terminal The vehicle communication device communicated with outside.

To achieve these goals, it is a feature of the present invention that it is a kind of vehicle communication device, by profit With wireless near field communication unit with and the mutually independent communication terminal of vehicle carry out wireless near field communication, Communicating with outside via described communication terminal, this vehicle communication device possesses: information of vehicles is deposited Storage unit, its information of vehicles traveling along with vehicle obtained is in the way of can updating successively Store；And information passing unit, it is transmitted in the storage of described information of vehicles to described communication terminal By the described information of vehicles that can store in the way of updating successively in unit, single being transmitted by described information Unit transmits in the described information of vehicles come, and the storage of described communication terminal is to by outside with the communication of outside Portion sends the information that completed information of vehicles is determined, and to transmit described vehicle after the next time During information, described information passing unit is based on to described the sending out to outside stored by described communication terminal Send the information that completed information of vehicles is determined, from the described completed car of transmission to outside Information next after be stored in the information of vehicles of described information of vehicles memory element and start institute State communication terminal to transmit.

Now, described information of vehicles memory element can also be based on to the institute stored by described communication terminal State and send, to outside, the information that completed information of vehicles is determined, will send out to outside described The information of vehicles stored before sending completed information of vehicles is deleted.

It addition, can also be in these cases, when exist for described vehicle carry out closely without During other wireless near field communication unit that line communicates, store institute in described information of vehicles memory element State after information of vehicles after the scheduled time, carry out closely for described vehicle and described communication terminal The described wireless near field communication unit of radio communication is established between described vehicle and described communication terminal Wireless near field communication.

Thus, even if utilizing wireless near field communication excellent set up between vehicle and communication terminal First spending relatively low, vehicle communicates under insecure situation with outside, it is also possible to be effectively prevented to The information of vehicles (or transmitting complete information of vehicles to communication terminal) etc. that outside is sent Useless information is sent this situation from vehicle again to outside.Should thereby, it is possible to efficiently reduce The information that should send to outside from vehicle, additionally it is possible to reduce communication cost.

It addition, by the information of vehicles sent to outside being needed to be sent to communication terminal, by increasing capacitance it is possible to increase The chance that information of vehicles is sent to outside.Such as, though when sending to outside in vehicle based on Under the situation that the communication environment of communication terminal deteriorates, as long as by information of vehicles to communication terminal transmission, also Can because of from vehicle away from and when causing the situation that communication environment recovers reliably by information of vehicles to Outside transmission.

It addition, communication terminal by transmit the information of vehicles come after outside sends (or, to logical After letter terminal transfers information of vehicles), it is possible to delete and send (or transmission) successfully information of vehicles. Thereby, it is possible to make the capacity being arranged at the memorizer of vehicle side reduce, it is as a result, it is possible to reduce and manufacture Cost.

Further, after have passed through the stipulated time, can set up closely between vehicle and communication terminal Radio communication.Thus, such as realize used by hand-free call function, recreational facilities operating function making After application program isopreference utilizes the situation of wireless near field communication reliably to terminate, it is possible to vehicle is believed Breath is reliably to communication terminal transmission.

It addition, it is another feature that be a kind of vehicle communication device, by utilizing closely Wireless communication unit with and the mutually independent communication terminal of vehicle carry out wireless near field communication, come via institute Stating communication terminal and PERCOM peripheral communication, this vehicle communication device possesses: information of vehicles memory element, and it will The information of vehicles obtained along with the traveling of vehicle is can store in the way of updating successively；Car Information judgement unit, its information of vehicles of storage in described information of vehicles memory element is determined as by The described outside information of vehicles utilized and the information of vehicles utilized by described communication terminal；Encryption list Unit, described information of vehicles judgement unit each information of vehicles determined is encrypted as different encryptions by it State；And information passing unit, described communication terminal is transmitted and is encrypted by described cryptographic processing unit by it For each information of vehicles of different encrypted states, described information passing unit transmitting the described quilt of coming Being encrypted as in each information of vehicles of different encrypted states, described communication terminal is only to by described communication eventually The information of vehicles that end utilizes is decrypted, and will be kept encryption shape by the described outside information of vehicles utilized State is transmitted unchangeably.

Now, described cryptographic processing unit such as can also utilize the 1st encryption key to by described communication The information of vehicles that terminal utilizes is encrypted, and utilizes 2nd different from described 1st encryption key to encrypt Double secret key is encrypted by the described outside information of vehicles utilized.

Now, more specifically, for described communication terminal to utilizing described 1st encryption key to carry out The 1st encryption key that information of vehicles after encryption is decrypted such as can be transmitted across from described outside Come.It addition, for described communication terminal to the car after utilizing described 1st encryption key to carry out encryption The 1st encryption key that information is decrypted such as can also be contained in from described outside provide by institute State the application program that communication terminal utilizes.

Thus, communication terminal the information of vehicles utilized, by the 1st encryption keys, is utilized by outside Information of vehicles at least by 2nd encryption keys different from the 1st encryption key, it is possible to will be by leading to Information of vehicles and the information of vehicles utilized by outside that letter terminal utilizes are encrypted to different encrypted states. Thus, communication terminal can utilize the 1st encryption key to decipher the information of vehicles utilized by communication terminal And utilize, and the vehicle utilized by outside after utilizing the 2nd encryption keys can be believed Breath keeps encrypted state to send to outside unchangeably.

Even if it is thus possible, for instance be provided with illegal application program at communication terminal, and assuming by outside profit Information of vehicles outside sent to other, it is also possible to effectively prevent the vehicle illegally sent from believing Cease interpreted.That is, by being encrypted to different encrypted states, it is possible to confidentiality is relatively low, communicated Information of vehicles that terminal utilizes and confidentiality is higher, only by the specific outside information of vehicles utilized respectively Reliably protect and communicate.

Further, it is another feature that be a kind of vehicle communication device, by utilizing closely Wireless communication unit with and the mutually independent communication terminal of vehicle carry out wireless near field communication, come via institute Stating communication terminal to communicate with outside, described vehicle possesses: communication terminal special, and it is equipped on institute State vehicle, communicate for the described communication terminal with described outside and via described outside；With Control unit for vehicle, it is at least from described communication terminal and described communication terminal special Side obtains the command information for controlling described vehicle, and controls vehicle according to this command information, described Vehicle communication device has: information of vehicles memory element, and the traveling along with vehicle is obtained by it Information of vehicles is can store in the way of updating successively；Information passing unit, it is to described communication Terminal and described communication terminal special are transmitted in described information of vehicles memory element with can be successively The described information of vehicles that the mode updated stores；Directly communication unit, its utilize by described closely without The described wireless near field communication that line communication unit is set up, makes described vehicle and described communication terminal direct Communicate；With indirect communication unit, it utilizes described communication terminal special, make described vehicle and Described communication terminal communicates indirectly via described outside, at described vehicle and described communication terminal When described wireless near field communication unit can be utilized to carry out wireless near field communication, and described between connect Letter unit is compared, and control unit for vehicle preferentially obtains described command information from described direct communication unit.

At this time it is also possible to be, described communication terminal utilize described direct communication unit and described between Meet at least one party in communication unit when described vehicle sends described command information, with described instruction letter Breath transmission simultaneously give and send time information, described control unit for vehicle based on described instruction The time information that information receives in the lump, according to being the new moment by the moment shown in described time information Command information controls described vehicle.

It addition, can also be in these cases, described vehicle has the charger that can utilize outside The battery being charged, described control unit for vehicle controls described battery according to described command information Charging.

Thus, in the case of establishing wireless near field communication, control unit for vehicle can be from communication Terminal the most directly obtains command information.Refer to therefore, it is possible to temporarily send to outside from communication terminal Make information, and obtain the command information come from outside transmission via communication terminal special, in other words, Compared with the situation that control unit for vehicle obtains command information indirectly, it is possible to perform control earlier.

Further, since time information can be given to command information, even if the most such as at wagon control Unit directly as well as indirectly obtains under the situation of two kinds of command informations, it is also possible to refer to based on any one Make information to perform control.Therefore, it is possible to the control needed for reliably performing.

Accompanying drawing explanation

Fig. 1 is the information communication of the vehicle possessing the vehicle communication device that embodiments of the present invention relate to The skeleton diagram of system.

Fig. 2 relates to the 1st embodiment of the present invention, is to be transmitted ECU by the information of Fig. 1 to perform Information of vehicles transmits the flow chart of program.

Fig. 3 relates to the 2nd embodiment of the present invention, is to be transmitted ECU by the information of Fig. 1 to perform The flow chart of encryption program.

Detailed description of the invention

A. the 1st embodiment

The vehicle communication device related to embodiments of the present invention following with accompanying drawing illustrates.Figure 1 is to diagrammatically show to have vehicle communication device of the first embodiment, and in each enforcement The schematic block diagram of the information communication system of vehicle common in mode.

First, the information communication system of vehicle is illustrated.The information communication system of vehicle is by outward Portion's order wire road network 400 (such as the Internet or leased line network etc.), by vehicle 100, information of vehicles Center 200 and being held as the user by vehicle 100 with the communication terminal of vehicle 100 phase independence Personal digital assistant device 300 organically connected, it is possible to user is provided various information and service.

Vehicle 100 is provided with and controls multiple electronic-controlled installations 110 of vehicle-state (hereinafter referred to as For " vehicle ECU100 ".).Each vehicle ECU110 Yu CAN (Controller Area Network) The CAN communication line 120 of communication system connects, it is possible to via this CAN communication line 120 by various letters Number mutual input and output.Further, each vehicle ECU110 will be made up of CPU, ROM, RAM etc. Personal computer as main composition parts, possess memorizer, input/output interface and input pass Sensor signal drives the drive circuit etc. of various actuator.Have it addition, CAN communication line 120 connects Short-range communication as the communication interface of the short-range communication realized with personal digital assistant device 300 controls Device 150.Here, in the present embodiment, the logical of device 150 is controlled as this short-range communication Letter mode, uses Bluetooth (registered trade mark) to implement, but also certainly is able to use such as Wi-Fi Other close range wireless communication modes such as (registered trade marks) are implemented as other communication modes.

Here, the vehicle 100 being applied to information communication system preferably utilizes battery electric power to drive row Sail the electric motor car using motor, or there is traveling motor and internal combustion engine and charger can be utilized electricity The plug-in hybrid vehicle that pond is charged.However, it can be do not possess traveling motor but Utilize the conventional vehicle that internal combustion engine travels, unrelated with drive form.

Vehicle information center 200 is to obtain various information of vehicles from vehicle 100, and to vehicle 100 User the facility of various information on services is provided.It is provided with individual calculus in vehicle information center 200 Machine is as the server 210 of main composition parts.Server 210 possesses and PERCOM peripheral communication line network 400 Connect control communication communication control unit 211, management information of vehicles information of vehicles server 212, Manage the car of the data base of the subscriber information server 213 of the user profile of vehicle, storage information of vehicles Information storage part 214, the user profile storage part 215 of data base of storage user profile.Server 210 storages will determine the ID (with accession designation number, information that body number is suitable) of vehicle 100 and true The ID (user name, the telephone number of personal digital assistant device 300, addresses of items of mail etc.) determining user sets up The related information of association, the ID being configured to be determined by any one party extracts by the opposing party's The information that ID determines.

The personal digital assistant device 300 that user is held possesses for being connected with PERCOM peripheral communication line network 400 Communication interface that is PERCOM peripheral communication control portion 301, utilize Bluetooth (registered trade mark) for realization The communication interface of wireless near field communication that is short-range communication control portion 302, based on from GPS The electric wave of satellite detects the GPS unit 303 of personal digital assistant device 300 current position coordinates, dual-purpose Make the board-like liquid crystal display of touch surface 304 of display and operator, using personal computer as mainly Component parts performs master control part 305 and the storage application of Control on Communication and various application program The nonvolatile memory 306 of the various data such as program program.Here, as personal digital assistant device 300, Such as can use the portable phones such as smart mobile phone.

Then, the vehicle communication device to the information communication system being applied to vehicle configured as described Illustrate.Vehicle communication device in present embodiment is by by vehicle 100 and personal digital assistant device 300 carry out wireless near field communication, by personal digital assistant device 300 and vehicle information center 200 via PERCOM peripheral communication line network 400 communicates and realizes.Specifically, as the information of vehicle 100 side Transmit ECU110a and obtain the various letters exported from the multiple vehicle ECU110 being arranged at vehicle 100 Breath, and by the various information of this acquirement so that nonvolatile memory can be stored in the way of retrieving successively Regulation storage position.Further, information transmits ECU110a and the various information of storage is sent to shifting Dynamic information terminal 300.

In personal digital assistant device 300, the information from vehicle 100 side that obtains transmits ECU110a and transmits Next various information also temporarily store.Further, the various letters that personal digital assistant device 300 will temporarily store Cease and carry out sending out when communicating with vehicle information center 200 via PERCOM peripheral communication line network 400 Send.

In order to realize such vehicle communication device, the user of vehicle 100 is previously set vehicle 100 He Pairing between personal digital assistant device 300 processes.It addition, for being used for utilizing Bluetooth (registration Trade mark) for the pairing that communicates processes, owing to being not directly dependent upon with the present invention, therefore with Under illustrate simply.Generally, at initially use Bluetooth (registered trade mark) equipment Time, need to carry out being referred to as the process (operation) of the pairing of the object for determining linking objective.This Time, the short-range communication control device 150 of vehicle 100 is such as operated by the user of vehicle 100 It is set as can search for state to what the personal digital assistant device 300 as counterpart device scanned for.Separately On the one hand, the user of vehicle 100 also will via master control part 305 in personal digital assistant device 300 Short-range communication control portion 302 is set as the state that can search for.It addition, be set as such can During search condition, the setting being authenticated the most in the lump and encrypting.

So, by being set to can search for state by each equipment, such as, with CAN communication line 120 Connect and be arranged at the display omitting diagram or the touch surface of personal digital assistant device 300 of vehicle 100 On board-like liquid crystal display 304, display is present in Bluetooth (registered trade mark) equipment, i.e. of surrounding Vehicle 100 and personal digital assistant device 300, therefore respectively specify that connecting object.Further, in so choosing Selected vehicle 100 and personal digital assistant device 300 as connecting object after, same to the input of each equipment The pass (certification key (PIN)), and it is exchanged with each other the pass of this input, thus complete to join To process.

So, if being for utilizing Bluetooth (note between vehicle 100 and personal digital assistant device 300 Volume trade mark) state that processed of the pairing that communicates, if driver holds personal digital assistant device 300 and takes advantage of Upper vehicle 100, and the operating position ignition switch operations omitting diagram opened to adnexa, then connect Connect and be automatically established.If it addition, so automatically set up connection (pairing), being the most such as arranged at Lamp in instrument cluster is lighted, and circulates a notice of connection to driver and has been set up this situation.Further, if The operating position ignition switch operations omitting diagram opened to adnexa by driver, then information transmission ECU110a starts the information of vehicles shown in Fig. 2 in step slo and transmits the execution of program.

Then, information transmission ECU110a, in information of vehicles transmits step S11 of program, obtains General class information of vehicles.That is, information transmits ECU110a from corresponding vehicle ECU110 via CAN Order wire 120 always obtains (or in real time) and is set to need to pass to vehicle information center 200 Moment combustion in the information of vehicles sent, specifically plug-in hybrid automobile or conventional automobile Oil efficiency, logical calculate in fuel efficiency, electric motor car or plug-in hybrid automobile moment consumption rate, Fuel efficiency power consumption rate information and the speed (speed) of vehicle 100, the internal combustion engines such as logical calculation consumption rate The device action information such as rotating speed are as general class information of vehicles.Further, if information transmits ECU110a Achieve general class information of vehicles, then enter step S12.

In step s 12, information transmission ECU110a is general by obtain in described step S11 Class information of vehicles transmits to personal digital assistant device 300.That is, information transmits ECU110a by acquirement It is defeated that general class information of vehicles controls device 150 to the short-range communication being connected with CAN communication line 120 Go out.In short-range communication controls device 150, at the personal digital assistant device crossed with prior automatic matching Carry out utilizing the wireless near field communication of Bluetooth (registered trade mark) between 300, and by output General class information of vehicles transmits to personal digital assistant device 300.If so by general class information of vehicles to shifting Dynamic information terminal 300 transmits, then information transmits ECU110a and enters step S13.

Here, in personal digital assistant device 300, master control part 305 such as general by described transmission Class information of vehicles is temporarily stored in the regulation storage position of nonvolatile memory 306.Further, pass through Perform pre-actuated by user or by master control part 305 automatically actuated given application program journey Sequence, the regulation at nonvolatile memory 306 is stored the institute that position stores temporarily by master control part 305 State general class information of vehicles to send to vehicle information center 200.Specifically, master control part 305 is led to Cross and perform described given application program, by outside for the described general class information of vehicles supply stored temporarily Communication control unit 301.PERCOM peripheral communication control portion 301 believes with vehicle via PERCOM peripheral communication line network 400 Set up between the communication control unit 211 at breath center 200 and connect, and by the described general class vehicle of supply Information sends to vehicle information center 200.

It addition, when utilizing Bluetooth (registered trade mark) to carry out sent-received message, utilize The serial communication of 2 equipment rooms of SPP (Serial Port Profile).Further, by utilizing this SPP, Can employ so-called in the hand-free call of personal digital assistant device 300, personal digital assistant device 300 The music information of storage, retrieval result based on application program etc. are from the display being arranged at vehicle 100 Or speaker output.Therefore, by carrying out such hand-free call, recreational facilities operate, may Produce SPP to be taken by these calls, operation, thus cannot be by above-mentioned general class information of vehicles from letter Breath transmits the situation that ECU110a sends to personal digital assistant device 300.Now, information transmission The transmission of general class information of vehicles such as can be enable standby for ECU110a until SPP utilizes (straight Open to so-called SPP), or temporarily utilize SPP to send general class information of vehicles forcibly.

In step s 13, information transmits ECU110a acquirement or computing accumulation class information of vehicles is gone forward side by side Row accumulation.That is, information transmits ECU110a and obtains the transmission frequency quilt to vehicle information center 200 Be set as less information of vehicles, behaviour that specifically operating position of ignition switch is opened from adnexa The period being operated to the operating position that adnexa is closed as position (will be referred to as " in subtotal below during this period Journey ".) driving information (below by the driving information in this subtotal mileage be referred to as " subtotal mileage information ").

That is, information transmit ECU110a such as from corresponding vehicle ECU110 obtain running time, Total travel distance etc., utilize the information of this acquirement to calculate fuel efficiency power consumption rate information, plug-in type is mixed Close the EV operating range in power vehicle, HV operating range etc., and tire out as subtotal mileage information Accumulate the regulation storage position being stored in nonvolatile memory.It addition, when storing subtotal mileage information, The subtotal mileage ID being endowed as serial number to identify this subtotal mileage information is deposited by correspondence Storage.It addition, information transmits ECU110a is such as equipped on car from corresponding vehicle ECU110 acquirement The battery letter of the charged state (SOC) of battery of 100, deterioration state, expression maximum voltage etc. Breath, diagnostic message (fault message) etc., the battery information of this acquirement, diagnostic message etc. are also accumulated It is stored in the regulation storage position of nonvolatile memory.Further, subtotal mileage letter is stored in accumulation After breath (comprising subtotal mileage ID), battery information, diagnostic message etc., enter step S14.

In step S14, information transmits ECU110a and determines whether to transmit accumulation class information of vehicles. Specifically, information transmits ECU110a is send accumulation class information of vehicles prespecified In the moment, if the SPP under Bluetooth (registered trade mark) opens, then can carry out accumulation class car The transmission of information, therefore, it is determined that be "Yes", and enters step S15.On the other hand, in step S14 In, if the SPP under Bluetooth (registered trade mark) is not turned on, then cannot be carried out accumulation class The transmission of information of vehicles, therefore information transmission ECU110a is judged to "No", and enters step S16.

In step S15, owing to being currently transmissible state, therefore information transmits ECU110a By right relative to being processed the subtotal mileage information institute transmitted by the transmission of the accumulation class information of vehicles of last time The subtotal mileage ID answered, the subtotal mileage ID storing after the most communicated subtotal mileage information and accumulating + 1 later subtotal mileage information is sequentially delivered to personal digital assistant device 300.Further, if subtotal mileage The transmission success of information, then information transmits ECU110a renewal and this successful subtotal mileage information pair The subtotal mileage ID answered, and the subtotal mileage ID after updating is stored in the rule of nonvolatile memory Surely position is stored.Further, information transmit ECU110a except carry out the transmission of subtotal mileage information with Outward, the most also by transmitting the low battery information of frequency, diagnostic message transmits to personal digital assistant device 300.

In personal digital assistant device 300, master control part 305 is such as by the accumulation class vehicle of described transmission Information is temporarily stored in the regulation storage position of nonvolatile memory 306.Further, master control part 305 The application program specified by execution, stores position by the regulation at nonvolatile memory 306 interim The described accumulation class information of vehicles of storage is via PERCOM peripheral communication control portion 301, PERCOM peripheral communication line network 400 And communication control unit 211 sends to vehicle information center 200.

In step s 16, information transmission ECU110a determines whether ignition switch operations by user The operating position closed to adnexa.That is, if the operating position of ignition switch is operated to adnexa pass The operating position closed, information transmits ECU110a and is judged to "Yes" and enters step S17.Here, if The operating position of ignition switch is operated to the operating position that adnexa is closed, then be used for performing hand-free call The connection of function, recreational facilities operating function etc. is cut off, and SPP opens.On the other hand, such as fruit dot The operating position of fire switch is not operated to the operating position that adnexa is closed, in other words, such as fruit dot The operating position of fire switch is maintained the state being operated to the operating position that adnexa is opened, then be judged to "No" also returns step S11, repeatedly performs each step process after step S11.

In step S17, information transmits ECU110a and waits until the operating position quilt because of ignition switch Operating the operating position closed to adnexa causes the storage of accumulation class information of vehicles to process, and uses Regulation till the connection performing hand-free call function, recreational facilities operating function etc. is completely severed Time (such as about 5 seconds) passes through.So, by waiting until stipulated time process, above-mentioned exempts from Carry call function reliably to be released and can for realizing the application program of recreational facilities operating function Terminate by ground.It addition, by waiting until stipulated time process, determine the subtotal of current vehicle 100 Mileage, the storage of the information of vehicles in the subtotal mileage determined has processed.Further, information transmission ECU110a is waiting until that the stipulated time, through later, enters step S18.

In step S18, by perform described step S17 etc. pending, it is determined that current car The subtotal mileage of 100, therefore information transmits ECU110a and creates current subtotal mileage information. That is, information transmits ECU110a establishment by running time, total travel distance, fuel efficiency consumption rate The compositions such as EV operating range in information, plug-in hybrid automobile, HV operating range little Meter mileage information.Further, information transmission ECU110a is creating along with current vehicle 100 Traveling subtotal mileage information after, enter step S19.

In step S19, information transmits ECU110a by relative to representing by the accumulation class car of last time The transmission of information processes and transmits the subtotal mileage ID of the subtotal mileage information come or represent by described step The transmission of the accumulation class information of vehicles in rapid S15 processes the subtotal mileage of the subtotal mileage information transmitted ID, stores after the most communicated subtotal mileage information and little after the subtotal mileage ID+1 that accumulates Meter mileage information is sequentially delivered to personal digital assistant device 300.Further, information transmits ECU110a little After the transmission success of meter mileage information, to the subtotal mileage ID corresponding with this successful subtotal mileage information It is updated, and the subtotal mileage after the regulation storage position storage of nonvolatile memory updates ID.So, be sequentially transmitted subtotal mileage information to personal digital assistant device 300, and have updated with After subtotal mileage ID corresponding to subtotal mileage information transmitted, information transmits ECU110a and enters step S20。

Here, in by the personal digital assistant device 300 transferring subtotal mileage information, if such as used Family is after vehicle 100 is got off, and PERCOM peripheral communication control portion 301 is via PERCOM peripheral communication line network 400 and car Information centre 200 communicates, and transmits ECU110a from information as described above and transfer multiple little Meter mileage information, then master control part 305 is also by multiple subtotal mileage information and corresponding subtotal mileage ID Send the most successively.Further, if master control part 305 is from the server 210 of vehicle information center 200 (specifically information of vehicles server 212) such as have received table in the subtotal mileage information of transmission The information of the subtotal mileage ID that the subtotal mileage information shown and received by server 210 is corresponding (with Lower by this information be referred to as " being sent completely subtotal mileage id information ".), then this is sent completely subtotal Mileage id information is stored in the regulation storage position of nonvolatile memory 306.

So, it is sent completely subtotal mileage id information when storing in nonvolatile memory 306 Personal digital assistant device 300 is such as brought into vehicle 100 when the traveling of next time, and complete with vehicle 100 When having become pairing, it is sent completely subtotal mileage id information and is supplied to information transmission ECU110a.By This, information transmits ECU110a and such as stores from the regulation of the nonvolatile memory self managed Multiple subtotal mileage information of position storage are deleted and represents by being sent completely subtotal mileage id information Subtotal mileage ID consistent for subtotal mileage ID before (i.e. subtotal mileage ID-1, subtotal mileage ID -2 ..., subtotal mileage ID-n) corresponding to subtotal mileage information.In other words, information transmission ECU110a by via personal digital assistant device 300 in the subtotal that vehicle information center 200 is successfully transmitted Journey information is deleted from nonvolatile memory.

It addition, during transmission in this step S19 processes, it is also possible to in the subtotal that will also not transmit The mode that journey information all transmits to personal digital assistant device 300 temporarily is implemented.Now, information transmission ECU110a can obtain and determine and be successfully transmitted to vehicle information center 200 from personal digital assistant device 300 The information of subtotal mileage information that is be sent completely subtotal mileage id information, and based on this acquirement Information updates the subtotal mileage ID corresponding with transmitting the subtotal mileage information come.Further, information transmission ECU110a according to update after subtotal mileage ID after the next time by after subtotal mileage ID+1 Subtotal mileage information is sequentially delivered to personal digital assistant device 300, and will with subtotal mileage ID (the most i.e. Subtotal mileage ID-1, subtotal mileage ID-2 ..., subtotal mileage ID-n) in corresponding subtotal Journey information deletion.

In step S20, information transmits ECU110a except carrying out the subtotal in described step S19 Outside the transmission of mileage information, also will transmit the low battery information of frequency, diagnostic message (fault message) Transmit Deng to personal digital assistant device 300.Thus, personal digital assistant device 300 can by battery information, Diagnostic message (fault message) etc. sends to vehicle information center 200.Further, information transmits ECU110a By battery information, diagnostic message (fault message) etc. to personal digital assistant device 300 transmit after, enter Enter step S21.

In the step s 21, information transmits ECU110a and cuts off the power supply of vehicle 100, and in step S22 terminates information of vehicles and transmits the execution of program.

According to above explanation, according to the 1st embodiment, even if utilizing vehicle 100 He The relative importance value of wireless near field communication set up between personal digital assistant device 300 is low, and in information of vehicles Under the insecure situation of communication that the heart 200 is carried out, it is possible to effectively prevent from having transmitted or be sent completely The useless information such as information of vehicles (i.e. subtotal mileage information etc.) again (repeatedly) are transmitted or are sent Situation.Send to vehicle information center 200 from vehicle 100 thereby, it is possible to efficiently reduce Information, it is also possible to reduce communication cost.

It addition, by information of vehicles (the i.e. subtotal mileage that needs are sent to vehicle information center 200 Information etc.) it is sent to personal digital assistant device 300, by increasing capacitance it is possible to increase by information of vehicles (i.e. subtotal mileage letter Breath etc.) to the chance of vehicle information center 200 transmission.Such as, though in vehicle 100 to car The shape utilizing the communication environment of PERCOM peripheral communication line network 400 to deteriorate when information centre 200 is transmitted Under condition, if information of vehicles (i.e. subtotal mileage information etc.) is transmitted to personal digital assistant device 300, Then can because of away from vehicle 100 thus be in communication environment recover situation time reliably by vehicle believe Breath (i.e. subtotal mileage information etc.) sends to vehicle information center 200.

It addition, information transmits ECU110a is transferring information of vehicles (i.e. to personal digital assistant device 300 Subtotal mileage information etc.) after, or the information of vehicles come will transmitted (i.e. by personal digital assistant device 300 Subtotal mileage information etc.) send to vehicle information center 200, it is possible to delete and transmit or send successfully Information of vehicles (i.e. subtotal mileage information etc.).It is arranged at information transmission thereby, it is possible to reduce The capacity of the memorizer of ECU110a, it is as a result, it is possible to reduce manufacturing cost.

Further, information transmits ECU110a after have passed through the stipulated time, it is possible to personal digital assistant device 300 transmit information of vehicles (i.e. subtotal mileage information etc.).Thus, such as use is reliably being finished In realizing hand-free call function, the application program isopreference of recreational facilities operating function utilize closely without After the situation of line communication, information transmits ECU110a and wireless near field communication can be utilized vehicle Information (i.e. subtotal mileage information etc.) reliably transmits to personal digital assistant device 300.

B. the 2nd embodiment

Above-mentioned 1st embodiment is implemented as follows: by the information transmission of vehicle 100 ECU110a performs the information of vehicles shown in Fig. 2 and transmits program, thus will be by multiple vehicle ECU110 The various information collected transmit to personal digital assistant device 300, and will be passed by personal digital assistant device 300 The various information sent here send to vehicle information center 200 via PERCOM peripheral communication line network 400.

It addition, the personal digital assistant device 300 that user is held realizes vehicle 100 in information communication system And the communication between vehicle information center 200, and can make user as common portable phone Converse, or as common personal computer, perform the various application obtained via the Internet Program.Perform especially since personal digital assistant device 300 can obtain application program from outside, In the environment of cannot substantially ensuring that confidentiality, the most such as obtain illegal (there is malice) application program Probability higher, exist mistake obtain such application program and execution in the case of mobile message The various information that terminal 300 is held are illegally accessed and are not sent to original idea thus cause to outside The probability flowed out.

Therefore, when utilize in information communication system personal digital assistant device 300 to realize vehicle 100 with In the case of the communication of vehicle information center 200, i.e. by performing above-mentioned information of vehicles transmission Program cause information transmits ECU110a and various information (such as subtotal mileage information etc.) is sent to Personal digital assistant device 300 and to vehicle information center 200 send in the case of, even if the pattern of wants is When the various information relevant with vehicle 100 are illegally accessed and assume to flow out to outside, also cannot Content maybe cannot be confirmed easily with these various information.Hereinafter the 2nd embodiment is described in detail, Give same reference numerals for above-mentioned 1st embodiment same section, and the description thereof will be omitted.

In the 2nd embodiment, as above-mentioned 1st embodiment, information transmits ECU110a Perform the information of vehicles shown in Fig. 2 and transmit program.Wherein, in the 2nd embodiment, information passes If send ECU110a from multiple vehicle ECU110 collect to CAN communication line 120 output various Information (information of vehicles), then for the various information of this collection, it determines (difference) is should be to car Information that information centre 200 sends and the information utilized by personal digital assistant device 300.

Specifically, information transmits the ECU110a described step in above-mentioned information of vehicles transmission program In each step process of S11, described step S13 and described step S18, the various letters that will obtain Breath (information of vehicles) differentiates that (difference) is the information and quilt that send to vehicle information center 200 The information that personal digital assistant device 300 utilizes.Further, information transmits ECU110a to differentiating (difference) After each information implement different encryption, this is implemented information of encryption by above-mentioned Information of vehicles transmission program in described step S12, described step S14 and described step S19 Each step process transmit to personal digital assistant device 300.

Illustrate in more detail, if information transmits ECU110a and obtains (collection) from vehicle ECU110 Various information (information of vehicles), start the encryption performed shown in Fig. 3 the most in step s 50 Program.Further, information transmission ECU110a, in step S51 then, will obtain (collection) Various information (information of vehicles) differentiate (difference) be should to vehicle information center 200 transmission Information and the information utilized by personal digital assistant device 300.It addition, conduct should be to vehicle information center 200 information sent, it is possible to list the said equipment action message, subtotal mileage information, battery letter Breath, diagnostic message (fault message) etc. can determine information and and the automobile making of user according to analyzing The information etc. of the technology association of business.It addition, as the information utilized by personal digital assistant device 300, energy Enough list the board-like liquid of touch surface at personal digital assistant device 300 such as above-mentioned fuel efficiency power consumption rate information Even if the information of display does not has influential information etc. to other people disclosure yet on crystal display 304.Further, Transmit ECU110a in information and will obtain various information (information of vehicles) differentiation (district of (collection) Not being) should to the information of vehicle information center 200 transmission (hereinafter referred to as " center data ".) With the information utilized by personal digital assistant device 300 (referred to as " terminal data ".After), enter step Rapid S52.

In step S52, information transmits ECU110a and utilizes the 2nd encryption key described later to center It is encrypted by data.Further, transmitting ECU110a in information utilizes the 2nd encryption key to center After having carried out encryption by data, enter step S53.

In step S53, information transmits ECU110a and utilizes the 1st encryption key to terminal data It is encrypted.Further, transmitting ECU110a in information utilizes the 1st encryption key to center data After having carried out encryption, enter step S54.It addition, at this time it is also possible to further with the 1st encryption Center data after double secret key utilizes the 2nd encryption keys in described step S52 add Close.

Here, the 1st encryption key that terminal data is encrypted and center data are added The 2nd close encryption key, the information that is such as pre-stored within vehicle maquila transmits ECU110a ROM in regulation storage position.It addition, above-mentioned 1st encryption key and the 2nd encryption key example As utilized the termination of vehicle maquila to be sent to the server of vehicle information center 200 in advance 210.Further, the server 210 of vehicle information center 200 is such as from personal digital assistant device 300 In the case of being accessed for via PERCOM peripheral communication line network 400, will be to terminal after the authentication processing of regulation The 1st encryption key being decrypted by data sends to personal digital assistant device 300.Thus, mobile letter The 1st encryption key sent is stored in the regulation storage of nonvolatile memory 306 by breath terminal 300 Position.

It addition, now at personal digital assistant device 300 as described later to utilizing the 1st encryption key to add When utilizing the deciphering application program of regulation when the information after close is decrypted process, the 1st encryption key from The termination of vehicle maquila is sent in advance to carrying out the deciphering application program of this regulation and is sent out The offer center of cloth (offer).And, it is provided that personal digital assistant device 300 is issued (offer) by center It is attached with the deciphering application program of the regulation of the 1st encryption key.It addition, in the 2nd embodiment, Carry out exemplified with the situation that the 1st encryption key and the 2nd encryption key are set to so-called public keys Implement, but also certainly be able to use public-key cryptography mode to implement.It addition, comprise in information of vehicles The quantity at the center of the heart 200 can be more than 3, comprises the termination of personal digital assistant device 300 Quantity can also be multiple.

In step S54, such as with described step S12 in above-mentioned information of vehicles transmission program, Similarly, information transmits ECU110a to each step process of described step S14 and described step S19 To utilize the 2nd encryption key (further with the 1st encryption key) encryption after center data with And utilize the terminal data after the 1st encryption keys to be sent to personal digital assistant device 300, and Terminate to perform encryption processing in step S55 program.

So, encrypted by the program of performing encryption processing center data and terminal data The 1st encryption key decryption is utilized by personal digital assistant device 300.That is, at personal digital assistant device 300 In, the server 210 that master control part 305 obtains from vehicle information center 200 sends and is stored in non- 1st encryption key of the regulation storage position of volatile memory 306, or start from the center of offer The deciphering application program of the regulation obtained.Further, the 1st encryption that master control part 305 utilization obtains is close Key or utilization are attached with the deciphering application program of the regulation of the 1st encryption key, encrypt utilizing the 1st Terminal data after key encryption and the use the 2nd after utilizing the 1st encryption key to encrypt further Center data after encryption keys are decrypted process.

Thus, the encryption of terminal data is released from, and master control part 305 utilizes terminal data such as The board-like liquid crystal display of touch surface 304 show relevant with the fuel efficiency of vehicle 100 and consumption rate Information.On the other hand, for the data of center, owing to utilizing the 1st encryption key and 2 encryption keys are encrypted, even if therefore after utilizing the 1st encryption key to carry out deciphering, also State after being also maintained by the 2nd encryption keys.Therefore, master control part 305 is to utilizing Center data after 2 encryption keys are analyzed (utilization), but utilize PERCOM peripheral communication control Portion 301 processed by by the center data after the 2nd encryption keys send to PERCOM peripheral communication line network 400 vehicle information center 200 connected.It addition, now, for vehicle information center 200 except sending out The terminal number after deciphering can also be sent beyond center data after sending by the 2nd encryption keys According to.

Here, center data are to be sent (output) to outward by the state after the 2nd encryption keys Portion's order wire road network 400.Therefore, even if being such as provided with in personal digital assistant device 300 illegally Application program, and assume to be in the center data of encrypted state and be sent to its of non-original idea In the case of his center (website), in other centers (website), it is difficult to close by the 2nd encryption The center data of key encryption are decrypted, it is impossible to easily analyze and utilize center data.

In vehicle information center 200, server 210 utilizes communication control unit 211 to receive from movement What information terminal 300 sent utilizes the center data after the 2nd encryption keys.Further, constitute The information of vehicles server 212 of server 210 utilizes the 2nd encryption key being provided previously by use center Data are decrypted, and such as deposit in a retrievable manner by user in information of vehicles storage part 214 Storage device action information, subtotal mileage information, battery information, diagnostic message (fault message).

Understanding from the description above, according to the 2nd embodiment, terminal data are close by the 1st encryption Key is encrypted, and center data are at least by 2nd encryption keys different from the 1st encryption key, energy Enough terminal data are become with center data encryption different encrypted states.Thus, mobile message is eventually End 300 can utilize the 1st encryption key decryption and utilize terminal data, and can will utilize the Center data after 2 encryption keys are sent directly to vehicle information center 200.

Even if it is thus possible, for instance be provided with illegal application program in personal digital assistant device 300 and false If center data are unlawfully sent to other centers, it is also possible to effectively prevent the center number sent According to interpreted and be utilized.That is, by being encrypted to different encrypted states, it is possible to confidentiality is low Terminal data that personal digital assistant device 300 is utilized and confidentiality high only by vehicle information center The 200 center data utilized the most reliably are protected and communicate.

C. the 3rd embodiment

In above-mentioned 1st embodiment and above-mentioned 2nd embodiment, due at vehicle 100 The communicator being directly connected to PERCOM peripheral communication line network 400 it is not provided with on CAN communication line 120, Therefore the information that is embodied as transmits ECU110a by near radios such as Bluetooth (registered trade mark) Communicate and transmit various information to the personal digital assistant device 300 connected, and will by personal digital assistant device 300 Transmit the various information come to send to vehicle information center 200.

It addition, according to the difference of vehicle 100, except explanation in the 1st and the 2nd above-mentioned embodiment Short-range communication control outside device 150, as shown in phantom in Figure 1, there is also at CAN It is connected on order wire 120 be connected with PERCOM peripheral communication line network 400 to come and vehicle information center 200 The data exchange module 160 of exchange information is (hereinafter referred to as " DCM160 ".) situation.This DCM160 Possess: for entering via the server 210 of PERCOM peripheral communication line network 400 with vehicle information center 200 The PERCOM peripheral communication control portion 161 of row data communication；Via CAN communication line 120 and vehicle ECU110 Carry out data communication to obtain control information or the master control part 162 to vehicle ECU110 output order； The GPS unit 163 of the current position coordinates of this vehicle is detected based on the electric wave from gps satellite. Personal computer as critical piece, is possessed memorizer, telecommunication circuit and input and output by DCM160 Interface etc..

Further, in the case of such DCM160 is arranged at vehicle 100, and the above-mentioned 1st And the 2nd utilize in embodiment the situation of personal digital assistant device 300 same, will be with vehicle 100 phase Close various information (the most above-mentioned 1st and the 2nd embodiment comprises general class information of vehicles and The accumulation class information of vehicles of subtotal mileage information) and vehicle ID (be equivalent to accession designation number, body number Information) send to the server 210 of vehicle information center 200 from DCM160 together, server Information needed for the user of vehicle 100 can be sent by 210 to personal digital assistant device 300.It addition, If user have sent and car to the server 210 of vehicle information center 200 from personal digital assistant device 300 The operation instruction information that the action of 100 is relevant, then also be able to by by server 210 to DCM160 Send operation instruction information thus vehicle 100 is remotely operated.

Further, as one of function realized by such long-range operation be timing charging.Timing is filled Electricity refers to that the battery carried vehicle 100 accordingly with the time indicated is charged.In this enforcement In mode, personal digital assistant device 300 is operated by the user of vehicle 100, thus as empty in Fig. 1 Charging ECU110b timing instruction charging as shown in line, to the battery charging controlling vehicle 100 Beginning and end.It addition, in order to hold charging controlled state when being timed charging, also possess Display picture at personal digital assistant device 300 carries out the function shown.

It addition, the user at vehicle 100 utilizes personal digital assistant device 300 to set the feelings of timing charging Under condition, such as user away under the situation of vehicle 100, owing to personal digital assistant device 300 is in nothing The probability of the state that method carries out wireless near field communication is higher, the most as described above, from mobile letter Breath terminal 300 sends timing to DCM160 fill via the server 210 of vehicle information center 200 The operation instruction information of electricity is very effective.But, such as profit when the user at vehicle 100 gets off When setting timing charging with personal digital assistant device 300, personal digital assistant device 300 is in and can carry out The situation of wireless near field communication, it is possible to direct via CAN communication line 120 to charging ECU110b Send operation instruction information.That is, personal digital assistant device 300 be in can carry out near radio lead to During the situation believed, from personal digital assistant device 300 via the server 210 of vehicle information center 200 The process of the operation instruction information sending timing charging to DCM160 is complete in the setting to timing charging Require time for till one-tenth.

Therefore, in the 3rd embodiment, be judged near with what CAN communication line 120 was connected Distance communication controls device 150 and currently and establishes Bluetooth (note between personal digital assistant device 300 Volume trade mark) etc. in the case of wireless near field communication, short-range communication controls device 150 from establishing The master control part 305 of the personal digital assistant device 300 of wireless near field communication directly obtains timing charging Operation instruction information, and directly feed behaviour to the charging ECU110b being connected with CAN communication line 120 Make command information.Thus, need not just can be direct via vehicle information center 200 and DCM160 By operation instruction information to charging ECU110b supply, therefore, it is possible to complete to determine within the extremely short time Time charging setting.Even if it addition, so directly by operation instruction information to charging ECU110b In the case of supply, in order to hold charging controlled state, send represent from personal digital assistant device 300 or Person DCM160 believes for the notice giving this situation of operation instruction information to vehicle information center 200 Breath.

Even if it addition, take together with personal digital assistant device 300 under the situation of vehicle 100 user, Such as according to the difference of the behaviour in service of SPP, Bluetooth (registrar can occur temporarily cannot set up Mark) etc. the situation of wireless near field communication.Now, if user wants to utilize personal digital assistant device 300 Set timing charging, then owing to being temporarily not set up wireless near field communication, therefore short-range communication control Device 150 processed requires that the master control part 305 of personal digital assistant device 300 utilizes PERCOM peripheral communication line network 400 Operation instruction information is sent the server 210 to vehicle information center 200, and requires DCM160 Master control part 162 utilize PERCOM peripheral communication control portion 161 to communicate.Thus, it is used for setting timing The operation instruction information of charging is supplied to via vehicle information center 200 from personal digital assistant device 300 DCM160, and by indirect supply to the charging ECU110b being connected with CAN communication line 120.

On the other hand, as described above, from personal digital assistant device 300 via vehicle information center 200 When DCM160 sends the operation instruction information for setting timing charging, such as, can open SPP sets up the situation of the wireless near field communications such as Bluetooth (registered trade mark).Now, low coverage From communication control unit 150 from the master control of the personal digital assistant device 300 establishing wireless near field communication Portion 305 processed directly obtains the operation instruction information of timing charging, and to CAN communication line 120 even The charging ECU110b connect directly feeds operation instruction information.

Now, in charging ECU110b, obtain the operation instruction information directly fed and indirectly supply The operation instruction information given, i.e. has the operation instruction information of the same content of time difference.Therefore, move The time information in the moment of dynamic information terminal 300 expression the most additional to operation instruction information transmission information Supply.Thus, charging ECU110b is by the time information obtained and operation instruction information one Play storage, if the feelings that time information has been updated when achieving the operation instruction information of same content Under condition (in the case of the moment i.e. represented by time information is the new moment), it is carried out following operation and refers to The timing making information is charged.Thus, even if having the direct or indirect confession of time difference as described above To under the situation of operation instruction information, it is also possible to reliably perform timing charging.

Understand from the description above, according to the 3rd embodiment, establishing Bluetooth (registration Trade mark) etc. in the case of wireless near field communication, short-range communication controls device 150 can be from foundation The master control part 305 of the personal digital assistant device 300 of wireless near field communication directly obtains timing charging Operation instruction information, and directly feed to the charging ECU110b being connected with CAN communication line 120 Operation instruction information.Therefore, from personal digital assistant device 300 via PERCOM peripheral communication line network 400 to car Information centre 200 temporarily sends operation instruction information, and will send from vehicle information center 200 Operation instruction information supplies to charging ECU110b via PERCOM peripheral communication line network 400 and DCM160 Give, in other words, compared with the situation of indirect supply operation instruction information, it is possible to perform control earlier System.

It addition, by time information additional to operation instruction information, even if such as direct and indirect Ground by two operation instruction information to charging ECU110b supply situation under, it is also possible to based on arbitrarily One operation instruction information performs control.Therefore, it is possible to reliably perform the control of necessity.

When implementing the present invention, it is not limited to the respective embodiments described above, without departing from the mesh of the present invention , it becomes possible to carry out various change.

Such as, in the respective embodiments described above, it is embodied as opening the operating position of ignition switch from adnexa Operating position operation to adnexa close operating position time information as subtotal mileage information. Now, certainly it also is able to be embodied as ignition switch from the information being opened into till cut-out.

Claims (4)

1. a vehicle communication device, by utilize wireless near field communication unit with and vehicle independent mutually Communication terminal carry out wireless near field communication, come via described communication terminal and PERCOM peripheral communication, this car Communicator is characterised by possessing:

Information of vehicles memory element, its information of vehicles traveling along with vehicle obtained is with can The mode updated successively stores；

Information of vehicles judgement unit, the information of vehicles of storage in described information of vehicles memory element is sentenced by it Wei by the described outside information of vehicles utilized and the information of vehicles utilized by described communication terminal；

Cryptographic processing unit, described information of vehicles judgement unit each information of vehicles determined is added by it Close for different encrypted states；With

Information passing unit, described communication terminal is transmitted and is encrypted as not by described cryptographic processing unit by it Each information of vehicles of same encrypted state,

It is encrypted as each of different encrypted states described in being transmitted by described information passing unit In information of vehicles, described communication terminal the information of vehicles utilized only is solved by described communication terminal Close, and encrypted state will be kept to be transmitted unchangeably by the described outside information of vehicles utilized.

Vehicle communication device the most according to claim 1, it is characterised in that

Described cryptographic processing unit utilizes the 1st encryption key vehicle letter to being utilized by described communication terminal Breath is encrypted, and utilizes 2nd encryption key different from described 1st encryption key to by described outside The information of vehicles utilized is encrypted.

Vehicle communication device the most according to claim 2, it is characterised in that

For described communication terminal to the information of vehicles after utilizing described 1st encryption key to carry out encryption The 1st encryption key being decrypted sends over from described outside.

Vehicle communication device the most according to claim 2, it is characterised in that

For described communication terminal to the information of vehicles after utilizing described 1st encryption key to carry out encryption The 1st encryption key being decrypted be contained in from described outside provide utilized by described communication terminal Application program.