CN114851984A - Vehicle maintenance method and device and vehicle - Google Patents
Vehicle maintenance method and device and vehicle Download PDFInfo
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- CN114851984A CN114851984A CN202110149519.6A CN202110149519A CN114851984A CN 114851984 A CN114851984 A CN 114851984A CN 202110149519 A CN202110149519 A CN 202110149519A CN 114851984 A CN114851984 A CN 114851984A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
- B60R16/0232—Circuits relating to the driving or the functioning of the vehicle for measuring vehicle parameters and indicating critical, abnormal or dangerous conditions
- B60R16/0234—Circuits relating to the driving or the functioning of the vehicle for measuring vehicle parameters and indicating critical, abnormal or dangerous conditions related to maintenance or repairing of vehicles
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Abstract
The invention discloses a vehicle maintenance method, a vehicle maintenance device and a vehicle.A fault item in vehicle fault data is identified by utilizing a fault identification model, a second data packet corresponding to the fault item and second version information thereof are obtained from a server, first version information of the data packet of the current vehicle is read, the second data packet corresponding to the fault item and the second version information thereof are obtained from the server, whether a first updating date is earlier than a second updating date or not is judged, whether the first maintenance item is a maintenance item corresponding to the fault item or not is judged, and whether the data packet needs to be updated or not is determined; and the second data packet is sent to the vehicle electronic control unit, so that the electronic control unit utilizes the second data packet to perform program flashing, software upgrading and repairing of the vehicle electronic control unit are automatically realized, and vehicle maintenance efficiency is improved.
Description
Technical Field
The invention relates to the field of vehicle repair, in particular to a vehicle repair method, a vehicle repair device and a vehicle.
Background
With the development of automobile electromotion, intellectualization and networking, the number of Electronic Control Units (ECUs) in an automobile is increasing, which leads to the increasing size and complexity of software programs of the automobile, and the software programs are more prone to failure.
When the software fault is repaired for the electronic control unit, a service engineer is often required to perform software troubleshooting and maintenance, the maintenance is time-consuming, and the maintenance efficiency is low.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a vehicle maintenance method and device for improving the vehicle maintenance efficiency and a vehicle.
In a first aspect, an embodiment of the present application provides a vehicle maintenance method, including the following steps:
acquiring vehicle fault data;
determining a fault item by using a fault identification model according to the vehicle fault data;
reading first version information of a data packet of a current vehicle; wherein the first version information includes a first update date and a first repair item;
acquiring a second data packet corresponding to the fault item and second version information thereof from a server; the second version information comprises a second updating date and a second maintenance item corresponding to the fault item;
and if the first updating date is earlier than the second updating date or if the first maintenance item is not the maintenance item corresponding to the fault item, sending the second data packet to a vehicle electronic control unit so that the electronic control unit performs program flashing by using the second data packet.
Optionally, before the step of obtaining the second data packet corresponding to the failure item from the server, the method further includes:
judging whether a second data packet corresponding to the fault item exists in the server or not;
if yes, acquiring a second data packet corresponding to the fault item from the server;
otherwise, generating the fault item and returning the fault item to the client.
Optionally, the server stores data packets associated with various brands, vehicle types, electronic control unit types, and maintenance items;
the step of obtaining the second data packet corresponding to the fault item from the server comprises the following steps:
obtaining the brand, the model and the type of an electronic control unit of a vehicle;
determining a second maintenance project according to the fault project;
and acquiring a second data packet corresponding to the brand, the model, the electronic control unit type and a second maintenance project of the vehicle from the server.
Optionally, the method further comprises the following steps:
acquiring a flash task list; the flash task list comprises a vehicle list, current version information and upgrade version information, wherein the vehicle list comprises at least two vehicles to be upgraded;
reading version information of data packets of at least two vehicles to be upgraded;
and if the version information of the data packets of the at least two vehicles to be upgraded is the same as the current version information, acquiring the data packets corresponding to the upgraded version information and the vehicle list from a server, and sending the data packets to a corresponding vehicle electronic control unit according to the vehicle list so that the electronic control unit utilizes the second data packet to perform program flashing.
Optionally, after the step of performing program flashing by the electronic control unit using the second data packet, the method further includes:
and re-reading the version information of the data packet of the current vehicle and returning the version information to the client.
Optionally, the vehicle list includes brands, vehicle types and electronic control unit types of the at least two vehicles to be upgraded.
Optionally, after the step of reading the version information of the data packets of at least two vehicles to be upgraded, the method further includes:
and if the version information of the data packets of the at least two vehicles to be upgraded is different from the current version information, sending an abnormal reminding signal to the client.
In a second aspect, an embodiment of the present application provides a vehicle maintenance device, including:
the fault data acquisition module is used for acquiring vehicle fault data;
the fault item acquisition module is used for determining a fault item by using a fault identification model according to the vehicle fault data;
the first version information acquisition module is used for reading the first version information of the data packet of the current vehicle; wherein the first version information includes a first update date and a first repair item;
the second version information acquisition module is used for acquiring a second data packet corresponding to the fault item and second version information of the second data packet from the server; the second version information comprises a second updating date and a second maintenance item corresponding to the fault item;
and the flashing module is used for sending the second data packet to a vehicle electronic control unit if the first updating date is earlier than the second updating date or if the first maintenance item is not the maintenance item corresponding to the fault item, so that the electronic control unit utilizes the second data packet to flash the program.
In a third aspect, embodiments of the present application provide a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps of the vehicle service method as described in any one of the above.
In a fourth aspect, embodiments of the present application provide a vehicle, including a memory, a processor, and a computer program stored in the memory and executable by the processor, wherein the processor implements the steps of the vehicle repair method as described in any one of the above when executing the computer program.
In the embodiment of the application, a fault item in vehicle fault data is identified by using a fault identification model, a second data packet corresponding to the fault item and second version information thereof are acquired from a server, first version information of the data packet of a current vehicle is read, the second data packet corresponding to the fault item and second version information thereof are acquired from the server, whether a first updating date is earlier than a second updating date or not is judged, or whether a first maintenance item is a maintenance item corresponding to the fault item is judged, and whether the data packet needs to be updated or not is determined; and the second data packet is sent to the vehicle electronic control unit, so that the electronic control unit utilizes the second data packet to perform program flashing, software upgrading and repairing of the vehicle electronic control unit are automatically realized, and vehicle maintenance efficiency is improved.
For a better understanding and practice, the invention is described in detail below with reference to the accompanying drawings.
Drawings
FIG. 1 is a flow chart of a method of servicing a vehicle in an exemplary embodiment of the invention;
fig. 2 is a schematic structural view of a vehicle service device in an exemplary embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more clear, embodiments of the present application will be described in further detail below with reference to the accompanying drawings.
It should be understood that the embodiments described are only some embodiments of the present application, and not all embodiments. All other examples, which can be obtained by a person skilled in the art without making any inventive step based on the embodiments in the present application, belong to the scope of protection of the embodiments in the present application.
The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the embodiments of the present application. As used in the examples of this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the application, as detailed in the appended claims. In the description of the present application, it is to be understood that the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not necessarily used to describe a particular order or sequence, nor are they to be construed as indicating or implying relative importance. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In addition, in the description of the present application, "a plurality" means two or more unless otherwise specified. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.
The embodiment of the application can be applied to vehicles such as electric vehicles, fuel vehicles or hybrid vehicles, the vehicles are provided with the vehicle-mounted terminal and the electronic control unit, the vehicle-mounted terminal is respectively connected with the electronic control unit and the client side, and the vehicle-mounted terminal is used for receiving a control command sent by the client side and carrying out information interaction with the electronic control unit of the vehicle through a vehicle communication protocol, so that control of the vehicle is realized.
The vehicle-mounted terminal can be a T-BOX device or an OBD device, and the client can be a mobile phone or any mobile device capable of being in wireless connection with the vehicle-mounted terminal.
As shown in fig. 1, an embodiment of the present application provides a vehicle maintenance method, including the following steps:
step S1: acquiring vehicle fault data;
the vehicle fault data can include data such as a vehicle identification code, a driving mileage, a fault code and vehicle body system information corresponding to the fault code, wherein the fault code is a fault code which appears when the sample vehicle drives to the driving mileage, and the vehicle body system information is the vehicle body system information corresponding to the fault code.
In one embodiment, the vehicle fault data may be obtained by collecting operation data in an Electronic Control Unit (ECU) of the vehicle using an in-vehicle terminal.
Step S2: determining a fault item by using a fault identification model according to the vehicle fault data;
the fault identification model can be a model which is obtained by utilizing vehicle fault sample data to perform pre-training in advance and is used for identifying vehicle fault items, and the vehicle fault sample data comprises fault data and fault items corresponding to the fault data. In the embodiment of the application, the fault identification model obtains a fault item by analyzing and calculating fault data of the vehicle.
Step S3: reading first version information of a data packet of a current vehicle;
the first version information is used for determining the version of the vehicle data packet, and comprises a first updating date and a first maintenance item; the first update date may refer to a date of an online or offline of the data packet.
Step S4: acquiring a second data packet corresponding to the fault item and second version information thereof from a server; the second version information comprises a second updating date and a second maintenance item corresponding to the fault item;
the second version information is used for determining the version of the vehicle data packet and comprises a second updating date and a second maintenance item; the second update date may refer to a date of an online or offline of the data packet.
The second data packet is the latest data packet stored in the server and corresponding to the fault item.
In one embodiment, before the step of obtaining the second data packet corresponding to the failure item from the server, the method further includes:
judging whether a second data packet corresponding to the fault item exists in the server or not;
if yes, acquiring a second data packet corresponding to the fault item from the server;
otherwise, generating the fault item and pushing the fault item to the client.
Specifically, the server stores data packets related to various brands, vehicle types, electronic control unit types and maintenance items; each data packet is classified and encoded according to brand, vehicle type, electronic control unit type and vehicle failure item. Preferably, each data packet is provided with a unique code, when a second data packet corresponding to the fault item is obtained, the code of the data packet is determined according to the brand of the vehicle, the model of the vehicle, the type of the electronic control unit and the fault item, and the code of the data packet is searched in the server to obtain the second data packet.
The step of obtaining the second data packet corresponding to the failure item from the server comprises the following steps:
acquiring the brand, the model and the type of an electronic control unit of a vehicle;
determining a second maintenance project according to the fault project;
and acquiring a second data packet corresponding to the brand, the model, the electronic control unit type and a second maintenance project of the vehicle from the server.
Step S5: and if the first updating date is earlier than the second updating date or the first maintenance item is not the maintenance item corresponding to the fault item, sending the second data packet to a vehicle electronic control unit so that the electronic control unit performs program flashing by using the second data packet.
In one embodiment, the second data packet may be received and stored with the diagnostic device by flashing the diagnostic device to the vehicle electronic control unit. The diagnostic device and the vehicle electronic control unit can be connected in a wired connection mode or a Bluetooth mode, a wireless network mode and the like.
When the first updating date is earlier than the second updating date, judging that the current data packet is not the latest version and the data packet needs to be upgraded; and when the first maintenance item is not the maintenance item corresponding to the fault item, judging that the current data packet cannot solve the problem of vehicle fault and needs to be updated, receiving the second data packet and analyzing the data of the second data packet by the vehicle electronic control unit, and using the program in the second data packet to realize the flash of the program of the electronic control unit.
In the embodiment of the application, a fault item in vehicle fault data is identified by using a fault identification model, a second data packet corresponding to the fault item and second version information thereof are acquired from a server, first version information of the data packet of a current vehicle is read, the second data packet corresponding to the fault item and second version information thereof are acquired from the server, whether a first updating date is earlier than a second updating date or not is judged, or whether a first maintenance item is a maintenance item corresponding to the fault item is judged, and whether the data packet needs to be updated or not is determined; and the second data packet is sent to the vehicle electronic control unit, so that the electronic control unit utilizes the second data packet to perform program flashing, software upgrading and repairing of the vehicle electronic control unit are automatically realized, and vehicle maintenance efficiency is improved.
In one exemplary embodiment, the vehicle service method further comprises the steps of:
acquiring a flash task list;
the flash task list comprises a vehicle list, current version information and upgrade version information, wherein the vehicle list comprises at least two vehicles to be upgraded; the vehicle list comprises brands, vehicle types and electronic control unit types of the at least two vehicles to be upgraded.
Reading version information of data packets of at least two vehicles to be upgraded;
and if the version information of the data packets of the at least two vehicles to be upgraded is the same as the current version information, acquiring the data packets corresponding to the upgraded version information and the vehicle list from a server, and sending the data packets to a corresponding vehicle electronic control unit according to the vehicle list so that the electronic control unit utilizes the second data packet to perform program flashing.
And re-reading the version information of the data packet of the current vehicle and returning the version information to the client.
Preferably, after the step of reading the version information of the data packets of at least two vehicles to be upgraded, the method further comprises the following steps:
and if the version information of the data packets of the at least two vehicles to be upgraded is different from the current version information, sending an abnormal reminding signal to the client.
When a batch flashing task occurs, the current data packet version information of a vehicle to be upgraded is identified by using the vehicle-mounted terminal and is compared with the task list, when the identification result is inconsistent with the content on the task list, an abnormal reminding signal is sent to the client to remind a whole vehicle factory or related personnel to adjust a flashing strategy (not to perform flashing or send a special data packet), and when the identification result is consistent with the content on the task list, the current electronic control unit data packet version information is read again through the vehicle-mounted terminal after the flashing is completed and is returned to the client so that a user can count the completion condition of the batch flashing task.
As shown in fig. 2, an embodiment of the present application further provides a vehicle maintenance device, including:
the fault data acquisition module 1 is used for acquiring vehicle fault data;
the fault item acquisition module 2 is used for determining a fault item by using a fault identification model according to the vehicle fault data;
the first version information acquisition module 3 is used for reading the first version information of the data packet of the current vehicle; wherein the first version information includes a first update date and a first repair item;
the second version information acquisition module 4 is used for acquiring a second data packet corresponding to the fault item and second version information thereof from the server; the second version information comprises a second updating date and a second maintenance item corresponding to the fault item;
and the flashing module 5 is configured to send the second data packet to a vehicle electronic control unit if the first update date is earlier than the second update date, or if the first maintenance item is not a maintenance item corresponding to the failure item, so that the electronic control unit performs program flashing by using the second data packet.
It should be noted that, when the vehicle maintenance device provided in the foregoing embodiment executes the vehicle maintenance method, only the division of the functional modules is illustrated, and in practical applications, the functions may be distributed by different functional modules according to needs, that is, the internal structure of the apparatus is divided into different functional modules, so as to complete all or part of the functions described above. In addition, the vehicle maintenance device and the vehicle maintenance method provided by the above embodiments belong to the same concept, and the detailed implementation process is shown in the method embodiments, which is not described herein again.
Embodiments of the present application also provide a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps of the vehicle repair method as described in any one of the above.
The present invention may take the form of a computer program product embodied on one or more storage media including, but not limited to, disk storage, CD-ROM, optical storage, and the like, having program code embodied therein. Computer readable storage media, including both permanent and non-permanent, removable and non-removable media, may implement the information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of the storage medium of the computer include, but are not limited to: phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium, may be used to store information that may be accessed by a computing device.
The embodiment of the present application further provides a vehicle, which includes a memory, a processor, and a computer program stored in the memory and executable by the processor, and when the processor executes the computer program, the steps of the vehicle repairing method described in any one of the above items are implemented.
The embodiment of the application aims at the problems of long data packet flashing period, high cost and difficult management and control, and ensures that each type of data packet code is unique by classifying and coding a plurality of data packet versions according to brands, vehicle types, types of electronic control units and vehicle fault items, according to the vehicle type, technical route and functional application, etc. to make labeling management and support inquiry function, when the fault occurs, the technician uses the vehicle-mounted terminal to automatically read the current data packet version of the vehicle controller, and compares it with the correspondent new version data packet stored in the server, the vehicle fault problem is solved by preferentially trying to write the data packet in a flashing manner, after the writing is finished, the version information of the data packet of the current vehicle is read again and returned to the client, and each time of data packet issuing behavior is recorded, so that the source of the data packet is well documented, and the statistics of the finishing condition of batch writing is facilitated. According to the embodiment of the application, the data packet is flash-written as a priority means for troubleshooting, when a fault occurs, the version information of the data packet is checked, and the second data packet is used for program flash-writing, so that the waste of working hours and material cost caused by troubleshooting is reduced, and the troubleshooting efficiency and the maintenance efficiency are improved.
The present invention is not limited to the above-described embodiments, and various modifications and variations of the present invention are intended to be included within the scope of the claims and the equivalent technology of the present invention if they do not depart from the spirit and scope of the present invention.
Claims (10)
1. A vehicle repair method, comprising the steps of:
acquiring vehicle fault data;
determining a fault item by using a fault identification model according to the vehicle fault data;
reading first version information of a data packet of a current vehicle; wherein the first version information includes a first update date and a first repair item;
acquiring a second data packet corresponding to the fault item and second version information thereof from a server; the second version information comprises a second updating date and a second maintenance item corresponding to the fault item;
and if the first updating date is earlier than the second updating date or if the first maintenance item is not the maintenance item corresponding to the fault item, sending the second data packet to a vehicle electronic control unit so that the electronic control unit performs program flashing by using the second data packet.
2. The vehicle repair method according to claim 1, further comprising, before the step of acquiring the second packet corresponding to the failed item from the server:
judging whether a second data packet corresponding to the fault item exists in the server or not;
if yes, acquiring a second data packet corresponding to the fault item from the server;
otherwise, generating the fault item and returning the fault item to the client.
3. The vehicle repairing method according to claim 2, wherein said server holds a data package with each brand, model, electronic control unit type and repairing item;
the step of obtaining the second data packet corresponding to the failure item from the server comprises the following steps:
obtaining the brand, the model and the type of an electronic control unit of a vehicle;
determining a second maintenance project according to the fault project;
and acquiring a second data packet corresponding to the brand, the model, the electronic control unit type and a second maintenance project of the vehicle from the server.
4. The vehicle service method according to claim 1, further comprising the steps of:
acquiring a flash task list; the flash task list comprises a vehicle list, current version information and upgrade version information, wherein the vehicle list comprises at least two vehicles to be upgraded;
reading version information of data packets of at least two vehicles to be upgraded;
and if the version information of the data packets of the at least two vehicles to be upgraded is the same as the current version information, acquiring the data packets corresponding to the upgraded version information and the vehicle list from a server, and sending the data packets to a corresponding vehicle electronic control unit according to the vehicle list so that the electronic control unit utilizes the second data packet to perform program flashing.
5. The vehicle servicing method according to claim 1 or 4, further comprising, after the step of the electronic control unit performing program flashing using the second data packet:
and re-reading the version information of the data packet of the current vehicle and returning the version information to the client.
6. The vehicle servicing method of claim 5, wherein the vehicle manifest includes brands, models, and electronic control unit types of the at least two vehicles to be upgraded.
7. The vehicle servicing method according to claim 5, further comprising, after the step of reading version information of data packets of at least two vehicles to be upgraded:
and if the version information of the data packets of the at least two vehicles to be upgraded is different from the current version information, sending an abnormal reminding signal to the client.
8. A vehicle service device, comprising:
the fault data acquisition module is used for acquiring vehicle fault data;
the fault item acquisition module is used for determining a fault item by using a fault identification model according to the vehicle fault data;
the first version information acquisition module is used for reading the first version information of the data packet of the current vehicle; wherein the first version information includes a first update date and a first repair item;
the second version information acquisition module is used for acquiring a second data packet corresponding to the fault item and second version information of the second data packet from the server; the second version information comprises a second updating date and a second maintenance item corresponding to the fault item;
and the flashing module is used for sending the second data packet to a vehicle electronic control unit if the first updating date is earlier than the second updating date or if the first maintenance item is not the maintenance item corresponding to the fault item, so that the electronic control unit utilizes the second data packet to flash the program.
9. A computer-readable storage medium having stored thereon a computer program, characterized in that: the computer program realizes the steps of the vehicle service method as claimed in any one of claims 1-7 when executed by a processor.
10. A vehicle, characterized in that: comprising a memory, a processor and a computer program stored in said memory and executable by said processor, said processor implementing the steps of the vehicle repair method according to any one of claims 1-7 when executing said computer program.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110149519.6A CN114851984A (en) | 2021-02-03 | 2021-02-03 | Vehicle maintenance method and device and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110149519.6A CN114851984A (en) | 2021-02-03 | 2021-02-03 | Vehicle maintenance method and device and vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN114851984A true CN114851984A (en) | 2022-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110149519.6A Pending CN114851984A (en) | 2021-02-03 | 2021-02-03 | Vehicle maintenance method and device and vehicle |
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| CN (1) | CN114851984A (en) |
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- 2021-02-03 CN CN202110149519.6A patent/CN114851984A/en active Pending
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