CN103546512A - Wireless vehicle diagnosis method and system - Google Patents
Wireless vehicle diagnosis method and system Download PDFInfo
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- CN103546512A CN103546512A CN201210244252.XA CN201210244252A CN103546512A CN 103546512 A CN103546512 A CN 103546512A CN 201210244252 A CN201210244252 A CN 201210244252A CN 103546512 A CN103546512 A CN 103546512A
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Abstract
The invention provides a wireless vehicle diagnosis method and system. The method includes: a service center transmits a diagnosis request to a data center regularly or according to a real-time request of a user; the data center provides a diagnosis command according to the diagnosis request and issues the diagnosis command to a vehicle through a wireless network; a diagnosis device in the vehicle analyzes the diagnosis command and transmits the analyzed diagnosis command to a part to be diagnosed in the vehicle; the diagnosis device collects diagnosis results from the part to be diagnosed and feeds the diagnosis results back to the data center through the wireless network; the service center analyzes the diagnosis results forwarded by the data center and feeds an analysis report back to the user. Through the use of the method and system, the time for vehicle diagnosis process is shortened and diagnosis cost can be reduced.
Description
Technical field
The present invention relates to a kind of automobile wireless diagnostic method and system.
Background technology
Vehicle is breaking down or during for maintenance object, is often needing inner associated components to carry out diagnosis and detection.In prior art, common way is, regularly or the place such as special trip Qu4SDian, maintenance factory, use test equipment detects vehicle condition user, will take a large amount of time on the one hand, on the other hand diagnostic fees with and cost also higher.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of automobile wireless diagnostic method and system, can reduce the time taking, and is conducive to reduce the cost of diagnosis.
For solving the problems of the technologies described above, the invention provides a kind of automobile wireless diagnostic method, comprising:
Service centre regularly or according to user's Real time request is sent to data center by diagnosis request;
Described data center provides diagnostic instruction according to described diagnosis request, and by wireless network, described diagnostic instruction is issued to vehicle;
The diagnostic device arranging in described vehicle is resolved described diagnostic instruction, and the diagnostic instruction after resolving is sent to and in described vehicle, treats accordingly deagnostic package;
Described diagnostic device is treated deagnostic package collection diagnostic result from described, and by described wireless network, described diagnostic result is fed back to described data center;
The diagnostic result that service centre forwards described data center is analyzed, and analysis report is fed back to described user.
Alternatively, before described diagnosis request is sent to described vehicle, described data center also issues and wakes instruction up to wake described diagnostic device up.
Alternatively, described method also comprises: after described diagnostic device is waken up, described diagnostic device by described wireless network, set up and described data center between data connecting path, and receive described diagnostic instruction via described data connecting path.
Alternatively, described in described diagnostic device is sent to described diagnostic instruction via vehicle-mounted bus, treat deagnostic package, and from described, treat that deagnostic package collects diagnostic result via described vehicle-mounted bus.
Alternatively, described vehicle-mounted bus is CAN bus, GMLAN bus or MOST bus.
Alternatively, described service centre adopts the combination of following one or more modes that described analysis report is sent to described user: by voice call by described analysis report notify described user, by described analysis report be sent to described user's mailbox, the display device that described analysis report is sent in described vehicle shows, described analysis report is sent in the mode of short message described user's mobile phone.
Alternatively, described wireless network is 3G network or WiFi network.
The present invention also provides a kind of automobile wireless diagnostic system, comprising:
Service center device, regularly or according to user's Real time request is sent to data center's device by diagnosis request, and the diagnostic result of described data center forwarding is analyzed, and analysis report is fed back to described user;
Described data center device, provides diagnostic instruction according to described diagnosis request, and by wireless network, described diagnostic instruction is issued to vehicle;
Be arranged on the diagnostic device in described vehicle, described diagnostic instruction is resolved, and the diagnostic instruction after resolving is sent to and in described vehicle, treats accordingly deagnostic package, from described, treat deagnostic package collection diagnostic result, and by described wireless network, described diagnostic result is fed back to described data center device.
Alternatively, described service center device is before being sent to described vehicle by described diagnostic instruction, and described data center device also issues and wakes instruction up to wake described diagnostic device up.
Alternatively, described diagnostic device, after being waken up, by the data connecting path between described wireless network foundation and described data center device, and receives described diagnostic instruction via described data connecting path.
Alternatively, described diagnostic device via vehicle-mounted bus with described in treat deagnostic package coupling, described in via described vehicle-mounted bus, described diagnosis request being sent to, treat deagnostic package, and from described, treat that deagnostic package collects diagnostic result via described vehicle-mounted bus.
Alternatively, described diagnostic device comprises:
Wireless communication module, for receiving described diagnostic instruction and described diagnostic result being sent to described data center device via described wireless network from described wireless network;
DCM diagnostic control module, from described wireless communication module, receive described diagnostic instruction, described in it is resolved and the diagnostic instruction after resolving is sent to by described vehicle-mounted bus, treat deagnostic package, and from described, treat that deagnostic package collects described diagnostic result via described vehicle-mounted bus.
Alternatively, described vehicle-mounted bus is CAN bus, GMLAN bus or MOST bus.
Alternatively, described service center device adopts the combination of following one or more modes that described analysis report is sent to described user: by voice call by described analysis report notify described user, by described analysis report be sent to described user's mailbox, the display device that described analysis report is sent in described vehicle shows, described analysis report is sent in the mode of short message described user's mobile phone.
Alternatively, described wireless network is 3G network or WiFi network.
Compared with prior art, the present invention has the following advantages:
In the automobile wireless diagnostic method and system of the embodiment of the present invention, service centre regularly or according to user's Real time request is sent to data center by diagnosis request, corresponding diagnostic instruction is prepared according to this diagnosis request by data center, this diagnostic instruction is issued to vehicle via wireless network, via this wireless network, receive from each and treat the diagnostic result that deagnostic package is collected afterwards, thereby broken conventional diagnostic process, make user to special place, can complete the diagnosis to vehicle without driving, the time of having reduced takies and cost.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the automobile wireless diagnostic method of the embodiment of the present invention;
Fig. 2 is the signal flow graph of the automobile wireless diagnostic method of first embodiment of the invention;
Fig. 3 is the signal flow graph of the automobile wireless diagnostic method of second embodiment of the invention;
Fig. 4 is the structured flowchart of the automobile wireless diagnostic system of the embodiment of the present invention.
Embodiment
Below in conjunction with specific embodiments and the drawings, the invention will be further described, but should not limit the scope of the invention with this.
Fig. 1 shows the schematic flow sheet of the automobile wireless diagnostic method of the present embodiment, comprising:
Step S11， service centre regularly or according to user's Real time request is sent to data center by diagnosis request;
Step S12, described data center provides diagnostic instruction according to described diagnosis request, and by wireless network, described diagnostic instruction is issued to vehicle;
Step S13, the diagnostic device arranging in described vehicle is resolved described diagnostic instruction, and the diagnostic instruction after resolving is sent to and in described vehicle, treats accordingly deagnostic package;
Step S14, described diagnostic device is treated deagnostic package collection diagnostic result from described, and by described wireless network, described diagnostic result is fed back to described data center;
The diagnostic result that step S15， service centre forwards described data center is analyzed, and analysis report is fed back to described user.
Below with reference to Fig. 2, the automobile wireless diagnostic method in the first embodiment is described.
The parameters such as the concrete time that service centre sets according to user, frequency, send diagnosis request to data center termly.For example, user can preengage to service centre, is fixed as the diagnosis reservation date of vehicle some day monthly, in this diagnosis reservation date arrival Shi， service centre, to data center, sends diagnosis request, with the vehicle to user, diagnoses.Communicating by letter between service centre and data center can complete via the various communication medias such as wired, wireless.
After data center receives the diagnosis request that service centre sends, according to the content of diagnosis request, prepare corresponding diagnostic instruction, and the diagnostic instruction of generation is sent to the vehicle of being diagnosed via wireless network.The content of diagnosis request include but not limited to this diagnosis will for vehicle part.Before ， service centre sends diagnosis request particularly, also comprise the preparation before part diagnosis, for example data center issues and wakes instruction up via this wireless network, thereby the diagnostic instruction in vehicle is waken up from the states such as standby, dormancy.
Wherein, above-mentioned wireless network can be the wireless data transmission networks such as 3G network, WiFi network.Diagnostic device is arranged in the vehicle of being diagnosed, and it can be independent equipment, also can be integrated in existing mobile unit.This diagnostic device can be realized and communicating by letter via wireless network and data center, and treats that by each in vehicle-mounted bus and vehicle deagnostic package is coupled, such as brake system, air-conditioning system, steering etc., but be not limited to this.Above-mentioned vehicle-mounted bus can be (the CAN of controller local area network, Controller Area Network) bus, full car LAN control system (GMLAN) bus or towards system transmission (the Media Oriented System Transport of media, MOST) bus, or well known to a person skilled in the art other buses.
Diagnostic device is after being waken up startup, via above-mentioned wireless network, from data center, receive diagnostic instruction, diagnostic device by this wireless network, set up and data center between data connecting path, can receive above-mentioned diagnostic instruction via this data connecting path afterwards.As a nonrestrictive example, in the present embodiment, diagnostic device sends TCP connection request by this wireless network to data center, the request of usining is set up TCP and is connected as the data connecting path between the two, after TCP connect to set up, data center's notification service centre data center is connected and sets up with TCP between diagnostic device.Service centre receives after this notice, and diagnosis request is sent to data center, and data center prepares corresponding diagnostic instruction according to the content of diagnosis request and connects diagnostic instruction is issued to the diagnostic device in vehicle via the TCP of previous foundation.
Diagnostic device, after receiving diagnostic instruction, is resolved it, and the process of parsing includes but not limited to decompression, verification error correction etc.Afterwards, diagnostic device is sent to each in vehicle by the diagnostic instruction after resolving via vehicle-mounted bus and treats accordingly deagnostic package.After each diagnostic operation until deagnostic package completes, diagnostic device is collected diagnostic result by vehicle-mounted bus again, and this diagnostic result is untreated initial data, the initial data detecting such as pressure sensor, temperature sensor etc.After collection completes, diagnostic device by whole diagnostic results by radio network feedback to data center, data center forwards it to service centre.
Service centre analyzes the diagnostic result of above-mentioned raw data form, generates the analysis report that user can understand, and is fed back to afterwards user.Service centre includes but not limited to following one or more to the form of user feedback analysis report: by voice call, by this analysis report, notify user; Analysis report is sent to user's mailbox; The display device that analysis report is sent in vehicle shows; Analysis report is sent to user's mobile phone in the mode of short message.Certainly, service centre also can directly be sent to analysis report on the display device in vehicle, and the user in vehicle can directly be checked.
Fig. 3 shows the signal flow graph of the automobile wireless diagnostic method in the second embodiment.In a second embodiment, service centre is not timed sending diagnosis request, but for example, send diagnosis request according to user's Real time request (, user dials the voice call of service centre, and user adopts the website at handheld device login service center to require to diagnose at once).After receiving user's Real time request, first service centre can carry out user's authentication, to confirm that the whether qualified requirement of user diagnoses vehicle.
After authentication is passed through, follow-up process is identical with above-mentioned the first embodiment.Mainly comprise: service centre sends diagnosis request according to the desired content of user's Real time request to data center, by data center, prepare corresponding diagnostic instruction, from diagnostic device, collect diagnostic result, service centre is according to producing analysis report and fed back to user for interpretation of result.
The present invention also provides a kind of automobile wireless diagnostic system, and its structured flowchart as shown in Figure 4, comprising: service center device 41, data center device 42, be arranged on the diagnostic device 43 in vehicle.
Wherein, service center device 41 regularly or according to user's Real time request asks the diagnostic result that is sent to 42 forwardings of device 42，Bing Dui data center of data center to be analyzed diagnosis, and analysis report is fed back to user.Service center device 41 can be a long-range server, and it has and the ability of telex network and the ability that diagnostic result is analyzed.
Data center's device 42 provides diagnostic instruction according to diagnosis request, and by wireless network, diagnostic instruction is issued to the diagnostic device 43 in vehicle.Data center's device 42 can be also a long-range server, and the mode by wired or wireless connections is connected with service center device 41.Data center 42 has the ability of the ability communicating with service centre 41 and diagnostic device 43, the diagnostic instruction that can identify according to diagnosis request preparation diagnostic device 43, can also possess data storage capacities in addition, for storing the data such as diagnostic result of diagnostic device 43 feedbacks.
Diagnostic device 43 is arranged in vehicle, the diagnostic instruction receiving is resolved, and the diagnostic instruction after resolving is sent to and in vehicle, treats accordingly deagnostic package, such as brake system 451, steering 452, air-conditioning system 453 etc., afterwards from treating that deagnostic package collects diagnostic result, and by wireless network, diagnostic result is fed back to data center's device 42.
In the present embodiment, diagnostic device 43 comprises wireless communication module 431 and DCM diagnostic control module 432, wherein wireless communication module 431 is by wireless network and data center's 42 couplings, for for example, from wireless network (3G network, WiFi network etc.) receive diagnostic instruction and diagnostic result is sent to data center's device 42 through wireless network, DCM diagnostic control module 432 receives diagnostic instruction from wireless communication module 431, it is resolved and the diagnostic instruction after resolving is sent to and is treated accordingly deagnostic package by vehicle-mounted bus 44, via vehicle-mounted bus 44, from treating deagnostic package, collect diagnostic result more afterwards.Between wireless communication module 431 and DCM diagnostic control module 432, can pass through Universal Asynchronous Receiver & dispensing device (UART, Universal Asynchronous Receiver/Transmitter) communicates.
Particularly, service centre 41, after receiving user's Real time request, first can 42 transmissions of notification data center wake instruction up to diagnostic device 43.Wireless communication module 431 in diagnostic device 43 receives and wakes up after instruction, can wake DCM diagnostic control module 432 up by modes such as interruptions.After DCM diagnostic control module 432 is waken up, the instruction of TCP connection request is sent to wireless communication module 431 by UART interface, wireless communication module 431 is sent to data center 42 by wireless network by this TCP connection request instruction, and request is set up TCP with data center 42 and is connected.After TCP connects foundation, data center 42 issues the wireless communication module 431 of diagnostic instruction, and wireless communication module 431 is sent to DCM diagnostic control module 432 by UART interface by diagnostic instruction.DCM diagnostic control module 432 is sent to diagnostic instruction in vehicle-mounted bus 44, and transfers to corresponding parts to be detected (for example brake system 451), and parts to be detected are diagnosed the information of self.Diagnose complete after, parts to be detected are sent to vehicle-mounted bus 44 by diagnostic result, by DCM diagnostic control module 432, are received.DCM diagnostic control module 432 is sent to wireless communication module 431 by this diagnostic result by UART interface, wireless communication module 431 is sent to diagnostic result data center 42 and is forwarded to service centre 41 via data center 42 by wireless network, so far, TCP connects and can disconnect.
About more contents of this automobile wireless diagnostic system, refer to the description of automobile wireless diagnostic method in aforementioned the first embodiment and the second embodiment.
Although the present invention with preferred embodiment openly as above; but it is not for limiting the present invention; any those skilled in the art without departing from the spirit and scope of the present invention; can make possible change and modification, so protection scope of the present invention should be as the criterion with the scope that the claims in the present invention were defined.
Claims (15)
1. an automobile wireless diagnostic method, is characterized in that, comprising:
Service centre regularly or according to user's Real time request is sent to data center by diagnosis request;
Described data center provides diagnostic instruction according to described diagnosis request, and by wireless network, described diagnostic instruction is issued to vehicle;
The diagnostic device arranging in described vehicle is resolved described diagnostic instruction, and the diagnostic instruction after resolving is sent to and in described vehicle, treats accordingly deagnostic package;
Described diagnostic device is treated deagnostic package collection diagnostic result from described, and by described wireless network, described diagnostic result is fed back to described data center;
The diagnostic result that service centre forwards described data center is analyzed, and analysis report is fed back to described user.
2. automobile wireless diagnostic method according to claim 1, is characterized in that, before described diagnosis request is sent to described vehicle, described data center also issues and wakes instruction up to wake described diagnostic device up.
3. automobile wireless diagnostic method according to claim 2, it is characterized in that, also comprise: after described diagnostic device is waken up, described diagnostic device by described wireless network, set up and described data center between data connecting path, and receive described diagnostic instruction via described data connecting path.
4. automobile wireless diagnostic method according to claim 1, is characterized in that, described in described diagnostic device is sent to described diagnostic instruction via vehicle-mounted bus, treats deagnostic package, and from described, treats that deagnostic package collects diagnostic result via described vehicle-mounted bus.
5. automobile wireless diagnostic method according to claim 4, is characterized in that, described vehicle-mounted bus is CAN bus, GMLAN bus or MOST bus.
6. automobile wireless diagnostic method according to claim 1, it is characterized in that, described service centre adopts the combination of following one or more modes that described analysis report is sent to described user: by voice call by described analysis report notify described user, by described analysis report be sent to described user's mailbox, the display device that described analysis report is sent in described vehicle shows, described analysis report is sent in the mode of short message described user's mobile phone.
7. according to the automobile wireless diagnostic method described in any one in claim 1 to 6, it is characterized in that, described wireless network is 3G network or WiFi network.
8. an automobile wireless diagnostic system, is characterized in that, comprising:
Service center device, regularly or according to user's Real time request is sent to data center's device by diagnosis request, and the diagnostic result of described data center forwarding is analyzed, and analysis report is fed back to described user;
Described data center device, provides diagnostic instruction according to described diagnosis request, and by wireless network, described diagnostic instruction is issued to vehicle;
Be arranged on the diagnostic device in described vehicle, described diagnostic instruction is resolved, and the diagnostic instruction after resolving is sent to and in described vehicle, treats accordingly deagnostic package, from described, treat deagnostic package collection diagnostic result, and by described wireless network, described diagnostic result is fed back to described data center device.
9. automobile wireless diagnostic system according to claim 8, is characterized in that, described service center device is before being sent to described vehicle by described diagnosis request, and described data center also issues and wakes instruction up to wake described diagnostic device up.
10. automobile wireless diagnostic system according to claim 9, it is characterized in that, described diagnostic device, after being waken up, by the data connecting path between described wireless network foundation and described data center device, and receives described diagnostic instruction via described data connecting path.
11. automobile wireless diagnostic systems according to claim 8, it is characterized in that, described diagnostic device via vehicle-mounted bus with described in treat deagnostic package coupling, described in described diagnosis request being sent to via described vehicle-mounted bus, treat deagnostic package, and from described, treat that deagnostic package collects diagnostic result via described vehicle-mounted bus.
12. automobile wireless diagnostic systems according to claim 11, is characterized in that, described diagnostic device comprises:
Wireless communication module, for receiving described diagnostic instruction and described diagnostic result being sent to described data center device via described wireless network from described wireless network;
DCM diagnostic control module, from described wireless communication module, receive described diagnostic instruction, described in it is resolved and the diagnostic instruction after resolving is sent to by described vehicle-mounted bus, treat deagnostic package, and from described, treat that deagnostic package collects described diagnostic result via described vehicle-mounted bus.
13. automobile wireless diagnostic systems according to claim 11, is characterized in that, described vehicle-mounted bus is CAN bus, GMLAN bus or MOST bus.
14. automobile wireless diagnostic systems according to claim 8, it is characterized in that, described service center device adopts the combination of following one or more modes that described analysis report is sent to described user: by voice call by described analysis report notify described user, by described analysis report be sent to described user's mailbox, the display device that described analysis report is sent in described vehicle shows, described analysis report is sent in the mode of short message described user's mobile phone.
Automobile wireless diagnostic system in 15. according to Claim 8 to 14 described in any one, is characterized in that, described wireless network is 3G network or WiFi network.
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| CN107885187A (en) * | 2017-10-19 | 2018-04-06 | 深圳市元征科技股份有限公司 | A kind of automobile remote diagnostic method, user terminal and server |
| CN108153287A (en) * | 2017-12-29 | 2018-06-12 | 凯龙高科技股份有限公司 | A kind of SCR system remote diagnosis system, diagnostic equipment and diagnostic method |
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| CN106325231A (en) * | 2015-07-03 | 2017-01-11 | 广州汽车集团股份有限公司 | Method and system for remote fault detection of vehicles on production line |
| CN106325231B (en) * | 2015-07-03 | 2019-02-19 | 广州汽车集团股份有限公司 | Vehicle carries out the method and system of remote failure detection on a kind of pair of production line |
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| CN108391074A (en) * | 2018-02-14 | 2018-08-10 | 深圳市道通科技股份有限公司 | Processing method, device, diagnostic device and the system of the diagnosis case of the vehicles |
| CN109164791A (en) * | 2018-10-18 | 2019-01-08 | 深圳市轱辘汽车维修技术有限公司 | A kind of Vehicular diagnostic method, vehicle diagnosing apparatus and server |
| CN109164791B (en) * | 2018-10-18 | 2020-06-12 | 深圳市轱辘汽车维修技术有限公司 | Vehicle diagnosis method, vehicle diagnosis device and server |
| CN112414447A (en) * | 2020-12-01 | 2021-02-26 | 广西玉柴机器股份有限公司 | Method and system for remotely diagnosing sensor fault |
| CN115249386A (en) * | 2021-04-26 | 2022-10-28 | 广州优胜汽车科技有限公司 | Remote assistance diagnosis system |
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Application publication date: 20140129 |