CN102736925A - Vehicle software updating method and system - Google Patents
Vehicle software updating method and system Download PDFInfo
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- CN102736925A CN102736925A CN2011100933522A CN201110093352A CN102736925A CN 102736925 A CN102736925 A CN 102736925A CN 2011100933522 A CN2011100933522 A CN 2011100933522A CN 201110093352 A CN201110093352 A CN 201110093352A CN 102736925 A CN102736925 A CN 102736925A
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Abstract
The invention provides a vehicle software updating method. A vehicle comprises a vehicular computer and at least one intelligent device provided with software, wherein the vehicular computer and the intelligent device are connected through a wired network. The method comprises the following steps of: using an updating server stored with software, connecting the updated server with the vehicular computer by virtue of a wireless network, downloading the latest-edition software from the updated server, and installing the software into corresponding intelligent device in parking. The software updating method can be used for lightening the burden of an agency without the business of the agency, and can also better ensure the safety of vehicles as software updating is carried out in parking of the vehicles.
Description
Technical field
The present invention relates to a kind of Oftware updating method and system of vehicle.
Background technology
Development along with technology; Intelligent apparatus on the automobile is more and more now, like ABS (brake anti-blocking system), ESP (ESP), EMS (engine management system) or the like, software is installed all in these intelligent apparatus; Through the operation of software, accomplish function corresponding.
Software in the intelligent apparatus is not constant always, but bring in constant renewal in.At present, software upgrading mainly is to carry out at the dealer place, needs the car owner that vehicle is delivered to the dealer place, upgrades upgrading by the dealer, but very inconvenient concerning the car owner like this, has also increased dealer's burden simultaneously.
Summary of the invention
The present invention provides a kind of Oftware updating method of vehicle for solving the problem of above-mentioned existing software update method to car owner very inconvenience and increase dealer burden.
The Oftware updating method of vehicle of the present invention; Said vehicle comprises that vehicle-mounted computer and at least one are equipped with the intelligent apparatus of software; Connect through cable network between said vehicle-mounted computer and the intelligent apparatus; Said method is used the update service device that stores software, is connected through wireless network between said update service device and the vehicle-mounted computer, and said method comprises the steps:
A, vehicle-mounted computer start and send the request of renewal to the update service device, comprise the version information of software in each intelligent apparatus in the said renewal request;
The version information of software compares with the version information of the corresponding software of self storing in each intelligent apparatus that B, update service device will receive, to search the renewable software that whether has version to be higher than corresponding software version in the intelligent apparatus on the update service device; If do not have, then finish to upgrade; If have, then the update service device sends to vehicle-mounted computer with said renewable software through wireless network;
C, vehicle-mounted computer judge whether vehicle stops, if do not stop, waiting for that then vehicle stops or finishing upgrading; If stop, the refresh routine that carrying of operation then, with the renewable software upgrading that receives in the intelligent apparatus of correspondence.
Further, said cable network is the CAN network.
Further, said wireless network is GPRS, GSM or 3G network.
Further, in steps A, when vehicle ignition switch from the off rotated position to the ACC position or during the engine ignition position, vehicle-mounted computer starts also and sends the request of renewal to the update service device.
Further, also comprise in the said renewal request software in each intelligent apparatus the recent renewal time and with this software corresponding hardware version information.
Further, said Oftware updating method also comprises the step D between step B and C,
D, if the update service device on said renewable software is arranged; Then the update service device is with renewable software and upgrade between the unrenewable software version in the request and carry out compatibility determination, only with those with upgrade request in unrenewable software mutually the renewable software of compatibility send to vehicle-mounted computer.
Further, among the step C, the said method of judging whether vehicle stops comprises judges whether the speed of a motor vehicle is zero, if the speed of a motor vehicle is zero, then vehicle stops.
Further, among the step C, the said method of judging whether vehicle stops also comprises judges parking braking whether whether pull-up and/or gear level is in neutral that if parking braking pull-up and/or gear level be in neutral, then vehicle stops.
Further; Among the step C, stop, then ejecting the dialog box whether inquiry is upgraded on the display screen of vehicle-mounted computer if be judged as; If operating personnel import update instruction to vehicle-mounted computer; Then vehicle-mounted computer moves the refresh routine that carries, if operating personnel import not update instruction to vehicle-mounted computer, then vehicle-mounted computer does not move the refresh routine that carries.
Further, said intelligent apparatus comprises ABS, ESP and/or EMS.
The present invention also provides a kind of software update system of vehicle; This software update system comprises: vehicle-mounted computer, store the update service device of software and the intelligent apparatus that at least one is equipped with software; Be connected through wireless network between said update service device and the vehicle-mounted computer, connect through cable network between said vehicle-mounted computer and the intelligent apparatus;
Vehicle-mounted computer starts and sends the request of renewal to the update service device, comprises the version information of software in each intelligent apparatus in the said renewal request;
The version information of software compares with the version information of the corresponding software of self storing in each intelligent apparatus that the update service device will receive, to search the renewable software that whether has version to be higher than corresponding software version in the intelligent apparatus on the update service device; If do not have, then finish to upgrade; If have, then the update service device sends to vehicle-mounted computer with said renewable software through wireless network;
Vehicle-mounted computer judges whether vehicle stops, and does not stop if being judged as, and waits for that then vehicle stops or finishing upgrading; If be judged as and stop, the refresh routine that carrying of operation then, with the software upgrading that receives in the intelligent apparatus of correspondence.
The invention has the beneficial effects as follows: Oftware updating method of the present invention; Vehicle-mounted computer links to each other with the update service device through wireless network; Vehicle-mounted computer is automatically downloaded renewable software, and when stopping with renewable software upgrading in corresponding intelligent apparatus, need not pass through the dealer; Alleviated dealer's burden, also very convenient concerning the car owner.In addition, owing to be when vehicle stops, carrying out software upgrading, can guarantee the security of vehicle better; Because during vehicle operating, a lot of intelligent apparatus are also in work; If carry out software upgrading at this moment, possibly cause the intelligent apparatus can't operate as normal or break down, influence the security of vehicle.
Description of drawings
Fig. 1 is the principle schematic of software update system of the vehicle of one embodiment of the present invention;
Fig. 2 is the process flow diagram of Oftware updating method of the vehicle of one embodiment of the present invention;
Fig. 3 is a process flow diagram of judging in one embodiment of the present invention whether vehicle stops.
Embodiment
Clearer for technical matters, technical scheme and beneficial effect that the present invention is solved, below in conjunction with accompanying drawing and embodiment, the present invention is further elaborated.Should be appreciated that embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Like Fig. 1-shown in Figure 3; The software update system of the vehicle of one embodiment of the present invention; Comprise: vehicle-mounted computer, store the update service device of software and the intelligent apparatus that at least one is equipped with software; Be connected through wireless network between said update service device and the vehicle-mounted computer, connect through cable network between said vehicle-mounted computer and the intelligent apparatus.What store in the update service device is the software of latest edition.Said intelligent apparatus can have a plurality of, as intelligent apparatus 1, intelligent apparatus 2, intelligent apparatus 3 ... intelligent apparatus N.
The Oftware updating method of the vehicle of this embodiment, said method comprises the steps:
A, vehicle-mounted computer start and send the request of renewal to the update service device, comprise the version information of software in each intelligent apparatus in the said renewal request;
The version information of software compares with the version information of the corresponding software of self storing in each intelligent apparatus that B, update service device will receive, to search the renewable software that whether has version to be higher than corresponding software version in the intelligent apparatus on the update service device; If do not have, then finish to upgrade; If have, then the update service device sends to vehicle-mounted computer with said renewable software through wireless network;
C, vehicle-mounted computer judge whether vehicle stops, if do not stop, waiting for that then vehicle stops or finishing upgrading; If stop, the refresh routine that carrying of operation then, with the renewable software upgrading that receives in the intelligent apparatus of correspondence.
Among the above-mentioned step C, in waiting for the process that vehicle stops, vehicle-mounted computer judges at regular intervals whenever whether vehicle stops, stopping if being judged as, the refresh routine that carries of operation then, with the renewable software upgrading that receives in the intelligent apparatus of correspondence.The said regular hour can be confirmed according to actual conditions, be preferably 10-20 minute.
Said cable network can be selected various existing In-vehicle networkings for use, and preferably, said cable network is the CAN network.The CAN network has the transfer rate height, has advantages such as reliable error-detecting and treatment mechanism.
Said wireless network can be selected existing various wireless network for use, like GPRS, GSM or 3G network etc.
Preferably, in steps A, when vehicle ignition switch from the off rotated position to the ACC position or during the engine ignition position, vehicle-mounted computer starts also and sends the request of renewal to the update service device.In the process of the normal operation of vehicle, vehicle-mounted computer also moves, but vehicle-mounted computer does not send the request of renewal to the update service device.Can guarantee like this that when vehicle starts at every turn vehicle-mounted computer sends the request of renewal from trend update service device, does not need driver's participation, has alleviated driver or car owner's burden.
Also comprise in the said renewal request software in each intelligent apparatus the recent renewal time and with this software corresponding hardware version information.Can reduce like this and upgrade the possibility of makeing mistakes.
Said Oftware updating method also comprises the step D between step B and C,
D, if the update service device on said renewable software is arranged; Then the update service device is with renewable software and upgrade between the unrenewable software version in the request and carry out compatibility determination, only with those with upgrade request in unrenewable software mutually the renewable software of compatibility send to vehicle-mounted computer.The concrete grammar of compatibility determination is a prior art, repeats no more here.Such purpose be for the software that guarantees to move in each intelligent apparatus on the vehicle can be compatible; Because; When work, be to want mutual communication between some intelligent apparatus on the vehicle; As incompatible between the software, the then normal communication of influence can influence the normal operation of vehicle even cause safety issue.Such as, need be when the ESP of vehicle works from the EMS image data, ESP sends instruction to EMS sometimes, therefore, and if the software of the software of ESP and EMS is incompatible, just can not proper communication between the two.
In step C, it is a variety of to judge that method that whether vehicle stops has, and fundamental method judges exactly whether the speed of a motor vehicle is zero, if the speed of a motor vehicle is zero, then vehicle stops.In order to increase the reliability of judgement, also can increase judge parking braking whether pull-up or/and gear level whether in neutral.
According to top said, judge whether vehicle stops to have used three conditions, that is: whether the speed of a motor vehicle is zero, whether whether pull-up of parking braking, gear level in neutral.Above-mentioned three conditions are carried out different combinations, will produce the different methods whether vehicle stops of judging, simply enumerate two kinds of methods below: judge that 1, whether the speed of a motor vehicle is zero, the speed of a motor vehicle is zero promptly to be judged to be vehicle and to stop, and does not stop otherwise being judged to be vehicle.2, judge whether the speed of a motor vehicle is zero, parking braking whether pull-up and gear level, then be judged to be vehicle and stop if three conditions satisfy simultaneously whether in neutral, if there is one or two condition not satisfy, then is judged to be vehicle and do not stop.
In step C; If stop; Then eject the dialog box whether the inquiry driver upgrades on the display screen of vehicle-mounted computer, if the driver will upgrade to vehicle-mounted computer input validation confirmation command, then vehicle-mounted computer moves the refresh routine that carries; If the driver imports not update instruction to vehicle-mounted computer, then vehicle-mounted computer does not move the refresh routine that carries.Can further strengthen the security of vehicle when upgrading like this, though, owing to other reason and be not suitable for update software,, judge whether renewable by operating personnel oneself through increasing a dialog box because vehicle has stopped sometimes.
After upgrading completion, eject on the display screen of vehicle-mounted computer and upgrade completed prompted dialog frame, upgrade with the prompting driver and accomplish.
Come the Oftware updating method of this embodiment is further explained with an embodiment below.
The vehicle of present embodiment comprises a vehicle-mounted computer and three intelligent apparatus; Three intelligent apparatus are respectively: ABS (brake anti-blocking system), ESP (ESP) and EMS (engine management system); The version of the software in three intelligent apparatus all is 1.1 editions, stores 1.1 editions of ABS software, 1.2 editions and 1.2 editions of EMS software of ESP in the update service device.
Human pilot with the ignition switch of vehicle from the off rotated position to the ACC position or during the engine ignition position; Vehicle-mounted computer starts and sends the request of renewal to the update service device; The version information and other information that comprise the software of ABS, ESP and EMS in the said renewal request; The update service device compares the version information of software in each intelligent apparatus that receives and the version information of self software stored, to search the renewable software that whether has version to be higher than corresponding software version in each intelligent apparatus on the update service device after receiving the request of renewal; Because the version of ESP software is that 1.2 editions, the version of EMS software are 1.2 editions in the update service device; Therefore the result who searches is that ESP and EMS have renewable software, and next, the update service device carries out compatibility determination with 1.2 editions ESP software, 1.2 editions EMS software and 1.1 editions ABS software; If the result who judges is that 1.2 editions the ABS software of ESP software and 1.1 editions is incompatible; And 1.2 editions EMS software and 1.1 editions ABS software and 1.1 editions ESP softwarecompatible, the update service device only sends to vehicle-mounted computer with 1.2 editions EMS software through wireless network, and vehicle-mounted computer judges whether vehicle stops; Do not stop if being judged as, wait for that then vehicle stops or finishing this renewal; Stop if being judged as; Then eject the dialog box whether the inquiry driver upgrades on the display screen of vehicle-mounted computer, to vehicle-mounted computer input validation update instruction, then vehicle-mounted computer moves the refresh routine that carries as if the driver; With 1.2 editions that receive EMS software upgradings in EMS; If the driver imports not update instruction to vehicle-mounted computer, then vehicle-mounted computer does not move the refresh routine that carries, and a software upgrading is accomplished.
The Oftware updating method of this implementation method; Vehicle-mounted computer links to each other with the update service device through wireless network; Vehicle-mounted computer is automatically downloaded up-to-date software when vehicle launch, and when stopping after operating personnel agree with up-to-date software upgrading in corresponding intelligent apparatus, need not pass through the dealer; Alleviated dealer's burden, also very convenient concerning the car owner.In addition, owing to be when vehicle stops and after operating personnel agree, to carry out software upgrading, can guarantee the security of vehicle better; Because; During vehicle operating, a lot of intelligent apparatus, such as ABS, ESP, EMS etc. are in work; If break down because of software upgrading causes EMS, ABS or ESP, with the normal operation or the security that influence vehicle.
The above is merely preferred embodiments of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. the Oftware updating method of a vehicle; It is characterized in that; Said vehicle comprises that vehicle-mounted computer and at least one are equipped with the intelligent apparatus of software, connects through cable network between said vehicle-mounted computer and the intelligent apparatus, and said method is used the update service device that stores software; Be connected through wireless network between said update service device and the vehicle-mounted computer, said method comprises the steps:
A, vehicle-mounted computer start and send the request of renewal to the update service device, comprise the version information of software in each intelligent apparatus in the said renewal request;
The version information of software compares with the version information of the corresponding software of self storing in each intelligent apparatus that B, update service device will receive, to search the renewable software that whether has version to be higher than corresponding software version in the intelligent apparatus on the update service device; If do not have, then finish to upgrade; If have, then the update service device sends to vehicle-mounted computer with said renewable software through wireless network;
C, vehicle-mounted computer judge whether vehicle stops, if do not stop, waiting for that then vehicle stops or finishing upgrading; If stop, the refresh routine that carrying of operation then, with the renewable software upgrading that receives in the intelligent apparatus of correspondence.
2. Oftware updating method as claimed in claim 1 is characterized in that, said cable network is the CAN network.
3. Oftware updating method as claimed in claim 1 is characterized in that, said wireless network is GPRS, GSM or 3G network.
4. Oftware updating method as claimed in claim 1 is characterized in that, in steps A, when vehicle ignition switch from the off rotated position to the ACC position or during the engine ignition position, vehicle-mounted computer starts also and sends the request of renewal to the update service device.
5. Oftware updating method as claimed in claim 1 is characterized in that, also comprise in the said renewal request software in each intelligent apparatus the recent renewal time and with this software corresponding hardware version information.
6. Oftware updating method as claimed in claim 1 is characterized in that said Oftware updating method also comprises the step D between step B and C,
D, if the update service device on said renewable software is arranged; Then the update service device is with renewable software and upgrade between the unrenewable software version in the request and carry out compatibility determination, only with those with upgrade request in unrenewable software mutually the renewable software of compatibility send to vehicle-mounted computer.
7. Oftware updating method as claimed in claim 1 is characterized in that, among the step C, the said method of judging whether vehicle stops comprises judges whether the speed of a motor vehicle is zero, if the speed of a motor vehicle is zero, then vehicle stops.
8. Oftware updating method as claimed in claim 7; It is characterized in that, among the step C, the said method of judging whether vehicle stops also comprise judge parking braking whether pull-up and/or gear level whether in neutral; If parking braking pull-up and/or gear level are in neutral, then vehicle stops.
9. Oftware updating method as claimed in claim 1 is characterized in that, among the step C; Stop if being judged as; Then eject the dialog box whether inquiry is upgraded on the display screen of vehicle-mounted computer, if operating personnel import update instruction to vehicle-mounted computer, then vehicle-mounted computer moves the refresh routine that carries; If operating personnel import not update instruction to vehicle-mounted computer, then vehicle-mounted computer does not move the refresh routine that carries.
10. Oftware updating method as claimed in claim 1 is characterized in that said intelligent apparatus comprises ABS, ESP and/or EMS.
11. the software update system of a vehicle; It is characterized in that; Comprise: vehicle-mounted computer, store the update service device of software and the intelligent apparatus that at least one is equipped with software; Be connected through wireless network between said update service device and the vehicle-mounted computer, connect through cable network between said vehicle-mounted computer and the intelligent apparatus;
Vehicle-mounted computer starts and sends the request of renewal to the update service device, comprises the version information of software in each intelligent apparatus in the said renewal request;
The version information of software compares with the version information of the corresponding software of self storing in each intelligent apparatus that the update service device will receive, to search the renewable software that whether has version to be higher than corresponding software version in the intelligent apparatus on the update service device; If do not have, then finish to upgrade; If have, then the update service device sends to vehicle-mounted computer with said renewable software through wireless network;
Vehicle-mounted computer judges whether vehicle stops, and does not stop if being judged as, and waits for that then vehicle stops or finishing upgrading; If be judged as and stop, the refresh routine that carrying of operation then, with the software upgrading that receives in the intelligent apparatus of correspondence.
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