CN115903733A - Remote diagnosis method for vehicle, server, terminal and storage medium - Google Patents
Remote diagnosis method for vehicle, server, terminal and storage medium Download PDFInfo
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Abstract
The invention discloses a remote diagnosis method of a vehicle, a server, a terminal and a storage medium, wherein the method comprises the following steps: receiving vehicle operation data fed back by a vehicle-mounted terminal, and caching the vehicle operation data, wherein the vehicle operation data is operation data packaged by a ProtoBuf data format; when an inquiry instruction sent by a user terminal is received, vehicle operation data associated with an instruction number of the inquiry instruction is acquired; and the associated vehicle operation data is used as response data of the query instruction and is sent to the user terminal, so that the user terminal diagnoses the vehicle-mounted terminal based on the response data, and because the user terminal can remotely acquire the vehicle operation data and package the vehicle operation data through a ProtoBuf protocol, less resources are occupied to realize the interaction between the server and the vehicle-mounted terminal.
Description
Technical Field
The present invention relates to the field of vehicle diagnosis technologies, and in particular, to a remote vehicle diagnosis method, a server, a terminal, and a storage medium.
Background
With the development of the automobile industry, modern electronic control technology has penetrated into each component of the automobile, the structure of the automobile becomes more and more complex, the automation degree is higher and more, and maintenance technicians and experts capable of tracking and mastering high and new technology in the automobile field are inevitably lacking. Therefore, as the remote diagnosis technology develops, the diagnosis of the vehicle-mounted terminal can be performed remotely. At present, when the vehicle operation data of the vehicle-mounted terminal needs to be inquired in the diagnosis process, the vehicle operation data needs to be acquired from the vehicle-mounted terminal every time, so that more resources are occupied, and the inquiry efficiency is low.
Disclosure of Invention
The embodiment of the application aims to solve the problem that a vehicle diagnosis process occupies more resources by providing a remote vehicle diagnosis method, a server, a terminal and a storage medium.
The embodiment of the application provides a remote diagnosis method of a vehicle applied to a server, which comprises the following steps:
receiving vehicle operation data fed back by a vehicle-mounted terminal, and caching the vehicle operation data, wherein the vehicle operation data is operation data packaged by a ProtoBuf data format;
when an inquiry instruction sent by a user terminal is received, vehicle operation data associated with an instruction number of the inquiry instruction is obtained;
and sending the associated vehicle operation data to the user terminal as response data of the query instruction.
Optionally, before receiving the vehicle operation data fed back by the vehicle-mounted terminal and caching the vehicle operation data, the method further includes:
acquiring a configuration instruction data stream and/or configuration information sent by the user terminal;
generating a combined instruction according to the configuration instruction data stream and/or the configuration information;
and sending the combination instruction to the vehicle-mounted terminal so that the vehicle-mounted terminal determines vehicle operation data associated with the combination instruction when receiving the combination instruction, encapsulates the vehicle operation data based on a ProtoBuf data format, and sends the encapsulated vehicle operation data to the server.
Optionally, before the step of obtaining the configuration instruction data stream and/or the configuration information sent by the user terminal, the method further includes:
receiving a query instruction corresponding to the user terminal, wherein the query instruction comprises at least one query signal item;
the step of generating a combined instruction according to the configuration instruction data stream and/or the configuration information comprises:
and combining the query signal item and the configuration instruction data stream and/or the configuration information to generate the combined instruction.
Optionally, before the step of sending the combination instruction to the vehicle-mounted terminal, the method further includes:
determining a first data type corresponding to the field name of the combined instruction;
determining a first coding mode and a first storage mode corresponding to the first data type;
sequentially encoding and packaging the combined instruction based on the first encoding mode and the first storage mode;
the step of sending the combination instruction to the vehicle-mounted terminal comprises:
and sending the packaged combination instruction to the vehicle-mounted terminal.
Optionally, the combination instruction includes a state detection instruction and a data diagnosis instruction; the step of sending the combination instruction to the vehicle-mounted terminal comprises:
sending the state detection instruction to the vehicle-mounted terminal;
after the combination instruction is sent to the vehicle-mounted terminal, the method further comprises the following steps:
receiving a feedback result of the vehicle-mounted terminal based on the state detection instruction, and determining the working state of the vehicle-mounted terminal according to the feedback result;
when the vehicle-mounted terminal is in an online state, sending the data diagnosis instruction to the vehicle-mounted terminal, and executing a step of receiving vehicle operation data fed back by the vehicle-mounted terminal, wherein the vehicle operation data is data determined according to the data diagnosis instruction;
and when the vehicle-mounted terminal is in an off-line state, executing the step of sending the state detection instruction to the vehicle-mounted terminal based on a preset time interval.
Optionally, the step of sending the combination instruction to the vehicle-mounted terminal includes:
and sending the combined instruction to the vehicle-mounted terminal based on the MQTT communication channel.
Optionally, the step of acquiring the vehicle operation data associated with the instruction number of the query instruction when receiving the query instruction sent by the user terminal includes:
when receiving a query instruction sent by the user terminal, determining user information associated with the user terminal;
verifying the access authority of the user terminal based on the user information;
and when the verification is successful, vehicle operation data associated with the instruction number of the inquiry instruction is acquired.
Based on the same inventive concept, the embodiment of the application provides a vehicle remote diagnosis method applied to a vehicle-mounted terminal, which comprises the following steps:
when a combination instruction sent by a server is received, determining vehicle operation data associated with the combination instruction;
packaging the vehicle operation data based on a ProtoBuf data format;
and sending the packaged vehicle operation data to the server.
Optionally, the step of encapsulating the vehicle operation data based on the ProtoBuf data format includes:
determining a second data type corresponding to the field name of the vehicle operation data;
determining a second coding mode and a second storage mode corresponding to the second data type;
and sequentially encoding and packaging the vehicle operation data based on the second encoding mode and the second storage mode.
Based on the same inventive concept, the embodiment of the application provides a remote diagnosis method of a vehicle applied to a user terminal, which comprises the following steps:
when a vehicle operation data query request of a vehicle-mounted terminal is received, determining a query instruction according to the query request, and sending the query instruction to a server;
and receiving vehicle operation data associated with the instruction number of the server based on the query instruction, and diagnosing the vehicle-mounted terminal based on the vehicle operation data.
Optionally, when a vehicle operation data query request of the vehicle-mounted terminal is received, before the step of determining a query instruction according to the query request, the method includes:
when a configuration request for a vehicle-mounted terminal is received, determining an inquiry signal item, a configuration instruction data stream and/or configuration information of the vehicle-mounted terminal;
and sending the query signal item, the configuration instruction data stream and/or the configuration information to the server.
In addition, to achieve the above object, the present invention also provides a server comprising: the remote diagnosis system comprises a first memory, a first processor and a vehicle remote diagnosis program which is stored on the first memory and can run on the first processor, wherein the vehicle remote diagnosis program realizes the steps of the vehicle remote diagnosis method when being executed by the first processor.
In addition, to achieve the above object, the present invention also provides a vehicle-mounted terminal including: the system comprises a second memory, a second processor and a vehicle remote diagnosis program which is stored on the second memory and can run on the second processor, wherein the vehicle remote diagnosis program realizes the steps of the vehicle remote diagnosis method when being executed by the second processor.
In addition, to achieve the above object, the present invention further provides a user terminal comprising: a third memory, a third processor and a vehicle remote diagnosis program stored on the third memory and operable on the third processor, wherein the vehicle remote diagnosis program realizes the steps of the vehicle remote diagnosis method when executed by the third processor.
Further, to achieve the above object, the present invention also provides a storage medium having stored thereon a remote diagnosis program of a vehicle, which when executed by a processor, implements the steps of the above remote diagnosis method of a vehicle.
According to the technical scheme of the vehicle remote diagnosis method, the server, the terminal and the storage medium, vehicle operation data fed back by the vehicle-mounted terminal are received, and the vehicle operation data are cached based on a ProtoBuf data format; when an inquiry instruction sent by a user terminal is received, vehicle operation data associated with an instruction number of the inquiry instruction is acquired; and sending the associated vehicle operation data to the user terminal as response data of the query instruction, so that the user terminal diagnoses the vehicle-mounted terminal based on the response data. The vehicle operation data of the vehicle-mounted terminal can be remotely obtained in advance and cached in the server, and the vehicle operation data is packaged through the ProtoBuf protocol, so that the corresponding vehicle operation data only needs to be inquired at the server in the follow-up inquiry process, the data inquiry at the vehicle-mounted terminal is not needed, the resources occupied in the interaction process of the server and the vehicle-mounted terminal are reduced, and the data inquiry efficiency is improved.
Drawings
FIG. 1 is a schematic flow chart diagram of a first embodiment of a method of remotely diagnosing a vehicle according to the present invention;
FIG. 2 is a schematic flow chart diagram of a second embodiment of a remote diagnosis method of a vehicle according to the present invention;
FIG. 3 is a schematic flow chart diagram illustrating a third embodiment of a remote diagnosis method for a vehicle according to the present invention;
FIG. 4 is a schematic flow chart diagram illustrating a fourth embodiment of a remote diagnosis method for a vehicle according to the present invention;
fig. 5 is a schematic structural diagram of any one of the server, the in-vehicle terminal, and the user terminal according to the embodiment of the present invention.
The objects, features, and advantages of the present application are further described in connection with the embodiments, with reference to the accompanying drawings, which are a single embodiment and are not intended to be a complete description of the invention.
Detailed Description
In order to solve the problem that a vehicle diagnosis process occupies more resources, the application provides a remote vehicle diagnosis method, which comprises the following steps: receiving vehicle operation data fed back by a vehicle-mounted terminal, and caching the vehicle operation data; when an inquiry instruction sent by a user terminal is received, vehicle operation data associated with an instruction number of the inquiry instruction is acquired; and sending the associated vehicle operation data to the user terminal as response data of the query instruction, so that the user terminal diagnoses the vehicle-mounted terminal based on the response data. The vehicle operation data of the vehicle-mounted terminal can be remotely obtained in advance and cached in the server, and the vehicle operation data is packaged through the ProtoBuf protocol, so that the corresponding vehicle operation data only needs to be inquired at the server in the follow-up inquiry process, the data inquiry at the vehicle-mounted terminal is not needed, the resources occupied in the interaction process of the server and the vehicle-mounted terminal are reduced, and the data inquiry efficiency is improved.
For a better understanding of the above technical solutions, exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
A first embodiment.
As shown in fig. 1, in a first embodiment of the present application, a remote diagnosis method for a vehicle of the present application is applied to a server, and includes the following steps:
and step S110, receiving vehicle operation data fed back by the vehicle-mounted terminal, and caching the vehicle operation data, wherein the vehicle operation data is operation data packaged by adopting a ProtoBuf data format.
In the embodiment, the problem that the vehicle diagnosis process occupies much resources is solved. The invention designs a remote diagnosis method for a vehicle. The remote diagnosis method of the vehicle can be applied to a user terminal, a server and a vehicle-mounted terminal. The server is a TSP platform and is used for connecting the user terminal and the vehicle-mounted terminal so as to establish a data transmission bridge between the user terminal and the vehicle-mounted terminal. The vehicle-mounted terminal is a T-BOX and is used for analyzing the diagnostic file and forwarding the diagnostic file to the electronic control unit; wherein the diagnostic file includes the combined instructions. The electronic control unit is an ECU, vehicle operation data are stored in the electronic control unit, and the vehicle operation data corresponding to the vehicle operation parameters can be acquired from the electronic control unit. The vehicle operation parameters included in the diagnostic file may be a tire temperature, a vehicle speed, a vehicle operation state, and the like, the vehicle operation data may be specific values corresponding to the vehicle operation parameters, and the vehicle operation data may be acquired over a period of time, for example, the vehicle operation data may be a vehicle speed value of the vehicle within half an hour, and may also be a tire temperature value of the vehicle within half an hour. Optionally, the vehicle operation data may also be a variation value, for example, the vehicle operation data may be a speed variation value of the vehicle in a current cycle and a previous cycle, and a cycle interval between the current cycle and the previous cycle may be set according to an actual situation, for example, a cycle interval of each cycle is set to 10S, a vehicle speed value is acquired every 10S, and a speed variation value is determined according to the vehicle speed value acquired in each cycle.
Optionally, a diagnostic file development tool is installed on the user terminal, and the diagnostic file development tool is used for generating a diagnostic file corresponding to the vehicle-mounted terminal. In the process of generating a diagnostic file corresponding to a vehicle terminal, a preset diagnostic file template corresponding to the whole vehicle model of the current vehicle system determined by the diagnostic file development tool is obtained, and the determined vehicle operation parameters to be diagnosed are written into the preset diagnostic file template, so that the diagnostic file corresponding to the vehicle terminal is generated. The diagnostic file is also called an ODX file, and the file format of the ODX file is a ProtoBuf data format. The ODX file is a diagnostic file with a standardized format, and the diagnostic file can diagnose vehicles with different models, or different vehicle-mounted systems only need to load the ODX file adaptive to the vehicle model, and the diagnostic instrument does not need to be changed. And the ODX unifies the format of the diagnostic file, so that format conversion is not needed when the diagnostic file is transmitted and exchanged in departments of research and development, test, production, after-sale and the like, and the vehicle operation data is packaged by adopting a ProtoBuf data format, so that the volume of the data is reduced.
In the present embodiment, the remote diagnosis method for a vehicle is applied to a server. The server may be a car networking service platform. The server mainly comprises the following functions: the system comprises a data processing module, a data processing module and a data processing module, wherein the data processing module is used for receiving information such as query instructions, configuration instruction data streams, configuration information and query signal items sent by a user terminal; sending the received information of the user terminal to a server in the form of a diagnosis file; verifying the authority of the user terminal; and receiving vehicle operation data fed back by the vehicle-mounted terminal. After receiving the diagnosis file sent by the user terminal, the server forwards the diagnosis file to the vehicle-mounted terminal so as to obtain vehicle operation data corresponding to the vehicle operation parameters in the diagnosis file from the vehicle-mounted terminal.
In this embodiment, before receiving the vehicle operation data fed back by the vehicle-mounted terminal, the operation performed at the vehicle-mounted terminal refers to the second embodiment, and the operation performed at the user terminal refers to the third embodiment, which is not described herein again. Specifically, before the server receives the vehicle operation data fed back by the vehicle-mounted terminal, in order to reduce occupied resources, the vehicle-mounted terminal may encapsulate the vehicle operation data based on a ProtoBuf data format, and send the encapsulated vehicle operation data to the server. After the server receives the vehicle operation data of the vehicle-mounted terminal, the vehicle operation data can be cached, so that when a subsequent user terminal inquires, the corresponding vehicle operation data can be inquired in the data cached by the server, an instruction does not need to be sent to the vehicle-mounted terminal when the inquiry is carried out every time, and the data inquiry efficiency is improved.
Optionally, before receiving the vehicle operation data fed back by the vehicle-mounted terminal, the method further includes acquiring a configuration instruction data stream and/or configuration information sent by the user terminal, and generating a combination instruction according to the configuration instruction data stream and/or the configuration information, and sending the combination instruction to the vehicle-mounted terminal; the combined instruction is packaged in a ProtoBuf data format and can form a diagnosis file sent to the vehicle-mounted terminal. Specifically, a configuration instruction data stream sent by the user terminal can be obtained, a combination instruction is generated according to the configuration instruction data stream, and the combination instruction is sent to the vehicle-mounted terminal; configuration information sent by the user terminal can be obtained, a combination instruction can be generated according to the configuration information, and the combination instruction is sent to the vehicle-mounted terminal; and the method can also acquire the configuration instruction data stream and the configuration information sent by the user terminal, generate a combined instruction according to the configuration instruction data stream and the configuration information, and send the combined instruction to the vehicle-mounted terminal.
Optionally, the method may further receive a query instruction corresponding to the user terminal, and obtain a configuration instruction data stream and/or configuration information sent by the user terminal. Wherein the query instruction includes at least one query signal term. The query signal item, the configuration instruction data stream and/or the configuration information can be combined to generate a combination instruction, and then the combination instruction is sent to the vehicle-mounted terminal.
Optionally, after the combination instruction is generated and before the combination instruction is sent to the vehicle-mounted terminal, the combination instruction is further encapsulated by using a ProtoBuf data format, so that data volume compression is realized, and data transmission efficiency is improved. Specifically, encapsulating the combination instruction includes:
step S210, determining a first data type corresponding to the field name of the combined instruction;
step S220, determining a first coding mode and a first storage mode corresponding to the first data type;
and step S230, sequentially encoding and packaging the combined instruction based on the first encoding mode and the first storage mode.
In this embodiment, the combination instruction is composed of different field names, and different encoding modes and storage modes exist for the different field names due to different data types, and the combination instruction can be encoded and encapsulated according to the determined encoding mode and storage mode. Specifically, after each field in the message is coded by the ProtoBuf, data is stored by using a T-L-V storage mode, and finally a binary byte stream is obtained. The ProtoBuf adopts different serialization modes for different data types; and the Protobuf serializes the message fields by adopting different encoding modes and data storage modes for different field types so as to ensure that efficient and compact data compression is obtained. The coding mode and the storage mode adopted by different types of data are as follows: for the storage of Varint coded data, the Length of bytes does not need to be stored, and a T-V storage mode is used for storage; for data with other encoding (e.g., LENGTH _ deleted), the T-L-V storage is used for storage. The unique encoding mode of the ProtoBuf for the data field value and the T-L-V data storage mode enable the data volume after the ProtoBuf serialization to be extremely small, and the data transmission efficiency is improved.
The corresponding relation among the data types, the coding modes and the storage modes refers to the following table:
for example, for serialization with WireType = 0. Data types of WireType =0 include int32, int64, uint32, unint64, bool, enum, and sint32 and sint64. The coding mode adopts Varint coding (if the coding mode is negative number, zigzag auxiliary coding is adopted); the storage mode uses a T-V mode to store a binary byte stream.
Serialization for WireType = 1. Data types of WireType =1 include fixed64, sfixed64, double. The coding mode adopts 64-bit coding (the size of the coded data is 64 bits, the high bit is behind, and the low bit is in front); the storage mode uses a T-V mode to store a binary byte stream.
Serialization for WireType = 2. Data types of WireType =2 include string, bytes, embedded messages, and packed requested fields. The coding mode is that Varint coding is adopted for the identifier Tag, varint coding is adopted for the byte Length, UTF-8 coding is adopted for the string type field value, and the field value of the nested message type is selected according to the field data type in the nested message. The storage mode uses a T-L-V mode to store a binary byte stream.
Optionally, when the combination instruction is a state detection instruction, determining a data type corresponding to a field name of the state detection instruction, determining a coding mode and a storage mode corresponding to the data type, and coding and encapsulating the state detection instruction based on the coding mode and the storage mode to obtain a result that the state detection instruction is encapsulated based on a ProtoBuf data format. The data item corresponding to the state detection instruction can be represented by the following table, wherein the data item is composed of a plurality of field names:
| data item | Value of | Description of the preferred embodiment |
| main.TransmitData.type | 2 | Type is heartbeat data |
| main.TransmitData.data | / | National standard binary source data |
When the data item of the transmitted state detection command is main.
| Name of field | Data type | Field modifier | Description of the invention |
| type | TransDataType | required | Type of data to be transmitted |
| data | bytes | required | Data to be transmitted |
For example, if the data type corresponding to the data item main. Length-delimi; the storage mode is T-L-V mode.
Optionally, after the combination instruction is encoded and packaged, the packaged combination instruction may be sent to the in-vehicle terminal.
Optionally, the combined instruction includes a state detection instruction and a data diagnosis instruction. The state detection instruction can be sent to the vehicle-mounted terminal. The state detection instruction is used for detecting the current working state of the vehicle-mounted terminal. When the vehicle-mounted terminal is not on-line, the data diagnosis instruction in the MQTT channel can not be monitored. Therefore, before transmitting the data diagnosis command to the in-vehicle terminal, it is necessary to transmit a state detection command to the in-vehicle terminal. After receiving the state detection instruction, the vehicle-mounted terminal generates a feedback result corresponding to the state detection instruction and feeds the feedback result back to the server. The feedback result is used for representing the current working state of the vehicle-mounted terminal, and the working state can comprise an offline state or an online state. Optionally, after receiving a feedback result of the vehicle-mounted terminal based on the state detection instruction, the server may determine the working state of the vehicle-mounted terminal according to the feedback result; when the vehicle-mounted terminal is in an online state, sending a data diagnosis instruction to the vehicle-mounted terminal; the vehicle-mounted terminal can extract vehicle operation data meeting requirements according to the vehicle operation parameters in the data diagnosis instruction or diagnosis conditions corresponding to the vehicle operation parameters, packages the vehicle operation data based on a ProtoBuf data format and then sends the vehicle operation data to the server. The server may cache the vehicle operation data after receiving the vehicle operation data.
Optionally, the state detection instruction and the data diagnosis instruction may also be sent to the vehicle-mounted terminal at the same time, that is, the combined instruction is sent at the same time, so as to detect the operating state of the vehicle-mounted terminal in real time during the data diagnosis process. Wherein, the state detection instruction and the data diagnosis instruction have separate proto files.
Optionally, when the vehicle-mounted terminal is in an offline state, a state detection instruction may be sent to the vehicle-mounted terminal based on a preset time interval to detect whether the vehicle-mounted terminal is online. Wherein, the preset time interval can be set according to the actual situation.
Optionally, before sending the combination instruction to the vehicle-mounted terminal, a communication channel between the vehicle-mounted terminal and the server needs to be established. And the server sends the combined instruction to the vehicle-mounted terminal based on the MQTT communication channel. The MQTT communication protocol has the characteristic of low consumption, so that the use threshold and the maintenance and adaptation development cost are reduced, and the MQTT communication protocol is suitable for data transmission in different network states.
Step S120, when receiving the inquiry instruction sent by the user terminal, obtaining the vehicle running data associated with the instruction number of the inquiry instruction.
In this embodiment, when receiving an inquiry instruction for a certain vehicle-mounted terminal sent by a user terminal, the server also needs to perform authentication on the user terminal. And after the identity of the user terminal is successfully verified, allowing the user terminal to acquire the vehicle operation data. Specifically, when receiving a query instruction sent by a user terminal, determining user information associated with the user terminal; verifying the access authority of the user terminal based on the user information; and when the verification is successful, vehicle operation data associated with the command number of the query command is acquired. Wherein, the user information with authority can be stored in the server in advance. When the subsequent access authority is verified, the corresponding user information can be matched in the user information pre-stored in the server. When the server has the matched user information, the user terminal is indicated to have the access right, namely, the authentication is successful.
The vehicle operation data can be historical operation data of the vehicle-mounted terminal stored in the server in advance; after the user terminal identity authentication is successful, historical operating data of the vehicle-mounted terminal can be obtained from the server. Optionally, the vehicle operation data may also be data acquired in real time, and when an inquiry instruction sent by the user terminal is received, the server forwards the inquiry instruction to the vehicle-mounted terminal, so that the vehicle-mounted terminal can screen vehicle operation data meeting conditions based on an instruction number in the inquiry instruction, and then feed the vehicle operation data back to the server, so that the server acquires the vehicle operation data associated with the instruction number of the inquiry instruction.
The corresponding command number exists in each type of vehicle operation data, the command number is equivalent to a serial number, and the vehicle operation data corresponding to the command number can be quickly positioned during query, so that the query efficiency is improved.
Optionally, the query instruction may include a plurality of instruction numbers, and vehicle operation data corresponding to the plurality of instruction numbers may be acquired at the same time, so as to improve query efficiency. For example, the command number corresponding to the vehicle temperature parameter is 1, and the command number corresponding to the vehicle speed parameter is 2; the server may pre-store vehicle temperature data corresponding to the vehicle temperature parameter and vehicle speed data corresponding to the vehicle speed parameter. And the corresponding vehicle temperature data and vehicle speed data can be quickly positioned in the server by the instruction number 1 and the instruction number 2.
Optionally, the query instruction may also be a query time range, a query condition, and the like.
And step S130, sending the associated vehicle running data to the user terminal as response data of the query instruction.
In this embodiment, the server acquires the associated vehicle operation data, takes the vehicle operation data as response data of the query instruction, and sends the response data to the user terminal. Specifically, the communication connection relationship between the server and the user terminal may be established in advance. Alternatively, the server and the user terminal may communicate using the HTTP protocol. The vehicle operation data may be transmitted to the user terminal based on the HTTP protocol.
According to the technical scheme, the vehicle operation data fed back by the vehicle-mounted terminal is received, and the vehicle operation data are cached based on a ProtoBuf data format; when an inquiry instruction sent by a user terminal is received, vehicle operation data associated with an instruction number of the inquiry instruction is obtained; and sending the associated vehicle operation data to the user terminal as response data of the query instruction, so that the user terminal diagnoses the vehicle-mounted terminal based on the response data. The vehicle operation data of the vehicle-mounted terminal can be remotely acquired, and the vehicle operation data is packaged through the ProtoBuf protocol, so that the problem that a vehicle diagnosis process occupies more resources is solved, the resources occupied in the interaction process of the server and the vehicle-mounted terminal are reduced, and the data transmission efficiency is improved.
Optionally, the method executed under the server may further be:
firstly, receiving a query instruction corresponding to the user terminal; acquiring a configuration instruction data stream and/or configuration information sent by the user terminal; generating the combination instruction based on the query signal item and the configuration instruction data stream and/or the configuration information; determining a first data type corresponding to the field name of the combined instruction; determining a first coding mode and a first storage mode corresponding to the first data type; and sequentially encoding and packaging the combined instruction based on the first encoding mode and the first storage mode.
Then, sending a combined instruction to a vehicle-mounted terminal, specifically sending the state detection instruction to the vehicle-mounted terminal; receiving a feedback result of the vehicle-mounted terminal based on the state detection instruction, and determining the working state of the vehicle-mounted terminal according to the feedback result; when the vehicle-mounted terminal is in an online state, the data diagnosis instruction is sent to the vehicle-mounted terminal based on an MQTT communication channel, the steps of receiving vehicle operation data fed back by the vehicle-mounted terminal and caching the vehicle operation data are executed, wherein the vehicle operation data are determined according to the data diagnosis instruction; and when the vehicle-mounted terminal is in an off-line state, executing the step of sending the state detection instruction to the vehicle-mounted terminal based on a preset time interval.
Then, when receiving a query instruction sent by the user terminal, determining user information associated with the user terminal; verifying the access authority of the user terminal based on the user information; and when the verification is successful, acquiring vehicle operation data associated with the instruction number of the inquiry instruction.
And finally, the associated vehicle operation data is used as response data of the query instruction and is sent to the user terminal.
The vehicle operation data of the vehicle-mounted terminal can be remotely acquired, and the vehicle operation data is packaged through the ProtoBuf protocol, so that the problem that a vehicle diagnosis process occupies more resources is solved, the resources occupied in the interaction process of the server and the vehicle-mounted terminal are reduced, and the data transmission efficiency is improved. The access authority of the user terminal is verified first, and when the verification is successful, the vehicle operation data associated with the instruction number of the query instruction is obtained, so that the data security is improved.
A second embodiment.
As shown in fig. 2, in a second embodiment of the present application, a remote diagnosis method of a vehicle of the present application is applied to an in-vehicle terminal, and includes the steps of:
step S310, when a combination instruction sent by a server is received, vehicle operation data related to the combination instruction is determined.
In this embodiment, the combination instruction sent by the server is encapsulated in a ProtoBuf data format. The vehicle-mounted terminal forwards the combined instruction to the electronic control unit. The electronic control unit stores vehicle operation data, and the vehicle operation data corresponding to the vehicle operation parameters in the combined command can be acquired from the electronic control unit.
And step S320, packaging the vehicle operation data based on the ProtoBuf data format.
In this embodiment, after determining the vehicle operation data associated with the combination instruction, the in-vehicle terminal encapsulates the acquired vehicle operation data based on the ProtoBuf data format.
Optionally, determining a second data type corresponding to the field name of the vehicle operation data; determining a second coding mode and a second storage mode corresponding to the second data type; and sequentially encoding and packaging the vehicle operation data based on the second encoding mode and the second storage mode. The principle of encapsulating the vehicle operation data by using the ProtoBuf data format is the same as the principle of encapsulating the combined instruction in the first embodiment, and details are not repeated here.
And step S330, sending the packaged vehicle running data to the server.
In this embodiment, after the vehicle operation data is packaged, the packaged vehicle operation data may be transmitted to the server.
According to the technical scheme, when the combination instruction sent by the server is received, the vehicle operation data related to the combination instruction is determined, the vehicle operation data are packaged based on the ProtoBuf data format, and then the packaged vehicle operation data are sent to the server. Compared with the transmission in the XML data format, the vehicle operation data is packaged in the ProtoBuf data format and then sent to the vehicle-mounted terminal, so that the data transmission quantity is reduced, and the data transmission efficiency is improved. Because the vehicle operation data is obtained in a combined instruction mode, the vehicle operation data obtaining efficiency is improved.
A third embodiment.
As shown in fig. 3, in a third embodiment of the present application, a remote diagnosis method for a vehicle of the present application is applied to a user terminal, and includes the steps of:
and step S410, when a vehicle running data query request of the vehicle-mounted terminal is received, determining a query instruction according to the query request, and sending the query instruction to a server.
In this example, a vehicle diagnosis APP is installed on the in-vehicle terminal. Vehicle operation data inquiry, configuration and the like can be carried out on the vehicle diagnosis APP. Optionally, when a vehicle operation data query request to the vehicle-mounted terminal is received, determining a query instruction according to the query request, and before sending the query instruction to the server, determining a query signal item, a configuration instruction data stream and/or configuration information of the vehicle-mounted terminal when a configuration request to the vehicle-mounted terminal is received; sending the query signal item, the configuration instruction data stream and/or the configuration information to the server, so that the server can generate a combined instruction based on the query signal item, the configuration instruction data stream and/or the configuration information and send the combined instruction to the vehicle-mounted terminal; and the server receives and caches the vehicle operation data fed back by the vehicle-mounted terminal based on the combined instruction.
Step S420, receiving vehicle operation data associated with the instruction number of the server based on the query instruction, and diagnosing the vehicle-mounted terminal based on the vehicle operation data.
In this embodiment, the user terminal sends an inquiry command to the server when receiving the vehicle operation data inquiry request, so that the server can determine the associated vehicle operation data based on the command number of the inquiry command. The server feeds back the vehicle operation data to the user terminal.
In this embodiment, after receiving the vehicle operation data fed back by the server, the user terminal may display the vehicle operation data on the vehicle diagnosis APP, and further diagnose the vehicle-mounted terminal based on the displayed vehicle operation data, thereby achieving the purpose of remote diagnosis.
Because the vehicle running data of the vehicle-mounted terminal can be acquired when the query request is received, compared with the method that the vehicle fault diagnosis is carried out on site by a handheld diagnostic instrument at present, the method and the system can support remote diagnosis, improve the diagnosis efficiency and reduce the occupied amount of resources. In addition, vehicle operation data query is carried out based on visual vehicle diagnosis APP, data query efficiency is improved, vehicle operation data of the vehicle-mounted terminal can be visually displayed, and cost is reduced while operation is convenient.
A fourth embodiment.
As shown in fig. 4, in a fourth embodiment of the present application, a remote diagnosis method of a vehicle of the present application is applied to a vehicle including the steps of:
first, step S510 to step S520 are executed:
step S510, when a user terminal receives a configuration request for a vehicle-mounted terminal, determining an inquiry signal item, a configuration instruction data stream and/or configuration information of the vehicle-mounted terminal;
step S520, the user terminal sends the query signal item, the configuration instruction data stream and/or the configuration information to the server.
Then, the server firstly receives the query signal item, the configuration instruction data stream and/or the configuration information of the user terminal; combining the query signal item and the configuration instruction data stream and/or the configuration information to obtain the combined instruction; the server sends a combined instruction to the vehicle-mounted terminal; and receiving vehicle operation data fed back by the vehicle-mounted terminal based on the combined instruction, and caching the vehicle operation data.
Next, the user terminal executes step S410, determines a query instruction according to the query request when receiving a vehicle operation data query request for the vehicle-mounted terminal, and sends the query instruction to the server.
And then, when receiving the query instruction sent by the user terminal, the server caches the vehicle running data associated with the instruction number for querying the query instruction. And sending the associated vehicle operation data to the user terminal as response data of the query instruction.
Finally, the user terminal executes step S420, and receives vehicle operation data associated with the server based on the instruction number of the query instruction; and step S430, diagnosing the vehicle-mounted terminal based on the vehicle running data.
While a logical sequence is shown in the flowchart, in some cases, the steps shown or described may be performed in a different sequence than those shown or described.
As shown in fig. 5, fig. 5 is a schematic structural diagram of a hardware operating environment according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of any one of the server, the in-vehicle terminal, and the user terminal. The server, the vehicle-mounted terminal and the user terminal all comprise a processor and a memory, and the remote diagnosis program of the vehicle, which is stored in the memory and can run on the processor, is stored in the memory. In the server, the processor 1001 is a first processor, and the memory 1005 is a first memory. In the in-vehicle terminal, the processor 1001 is a second processor, and the memory 1005 is a second memory. In the user terminal, the processor 1001 is a third processor and the memory 1005 is a third memory.
As shown in fig. 5, includes: a processor 1001, such as a CPU, a memory 1005, a user interface 1003, a network interface 1004, a communication bus 1002. Wherein a communication bus 1002 is used to enable connective communication between these components. The user interface 1003 may include a Display screen (Display), an input unit such as a Keyboard (Keyboard), and the optional user interface 1003 may also include a standard wired interface, a wireless interface. The network interface 1004 may optionally include a standard wired interface, a wireless interface (e.g., WI-FI interface). The memory 1005 may be a high-speed RAM memory or a non-volatile memory (e.g., a magnetic disk memory). The memory 1005 may alternatively be a storage device separate from the processor 1001.
Those skilled in the art will appreciate that the configuration of any of the server, the in-vehicle terminal, and the user terminal shown in fig. 1 is not limiting and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
As shown in fig. 5, a memory 1005, which is a storage medium, may include therein an operating system, a network communication module, a user interface module, and a remote diagnosis program of a vehicle. The operating system is a program that manages and controls hardware and software resources of any one of the server, the in-vehicle terminal, and the user terminal, a remote diagnosis program of the vehicle, and operation of other software or programs.
In any of the server, the in-vehicle terminal, and the user terminal shown in fig. 1, the user interface 1003 is mainly used for connecting the terminal and performing data communication with the terminal; the network interface 1004 is mainly used for a background server and is in data communication with the background server; the processor 1001 may be used to invoke a remote diagnostic program for the vehicle stored in the memory 1005.
In this embodiment, the server includes: a memory 1005, a processor 1001, and a vehicle remote diagnosis program stored on the memory and executable on the processor, wherein the processor 1001, when calling the vehicle remote diagnosis program stored in the memory 1005, performs the following operations:
receiving vehicle operation data fed back by a vehicle-mounted terminal, and caching the vehicle operation data, wherein the vehicle operation data is operation data packaged by a ProtoBuf data format;
when an inquiry instruction sent by a user terminal is received, vehicle operation data associated with an instruction number of the inquiry instruction is obtained;
and sending the associated vehicle operation data to the user terminal as response data of the query instruction.
In an in-vehicle terminal, comprising: a memory 1005, a processor 1001, and a vehicle remote diagnosis program stored on the memory and operable on the processor, wherein the processor 1001, when calling the vehicle remote diagnosis program stored in the memory 1005, further performs the following operations:
when a combined instruction sent by a server is received, determining vehicle operation data associated with the combined instruction;
packaging the vehicle operation data based on a ProtoBuf data format;
and sending the packaged vehicle operation data to the server.
In a user terminal, comprising: a memory 1005, a processor 1001, and a vehicle remote diagnosis program stored on the memory and operable on the processor, wherein the processor 1001, when calling the vehicle remote diagnosis program stored in the memory 1005, further performs the following operations:
when a vehicle operation data query request of a vehicle-mounted terminal is received, determining a query instruction according to the query request, and sending the query instruction to a server;
receiving vehicle operation data associated by the server based on the instruction number of the query instruction;
and diagnosing the vehicle-mounted terminal based on the vehicle operation data.
Based on the same inventive concept, embodiments of the present application further provide a computer-readable storage medium, where a vehicle remote diagnosis program is stored, and when the vehicle remote diagnosis program is executed by a processor, the vehicle remote diagnosis method implements the steps of the vehicle remote diagnosis method, and can achieve the same technical effects, and in order to avoid repetition, the steps are not repeated herein.
Since the storage medium provided in the embodiments of the present application is a storage medium used for implementing the method in the embodiments of the present application, based on the method described in the embodiments of the present application, a person skilled in the art can understand a specific structure and a modification of the storage medium, and thus details are not described here. Any storage medium used in the methods of the embodiments of the present application is intended to be within the scope of the present application.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It should be noted that in the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The usage of the words first, second and third, etcetera do not indicate any ordering. These words may be interpreted as names.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (15)
1. A remote diagnosis method for a vehicle, applied to a server, the method comprising:
receiving vehicle operation data fed back by a vehicle-mounted terminal, and caching the vehicle operation data, wherein the vehicle operation data is operation data packaged by a ProtoBuf data format;
when an inquiry instruction sent by a user terminal is received, vehicle operation data associated with an instruction number of the inquiry instruction is acquired;
and sending the associated vehicle operation data to the user terminal as response data of the query instruction.
2. The method of claim 1, wherein before receiving the vehicle operation data fed back by the vehicle-mounted terminal and buffering the vehicle operation data, the method further comprises:
acquiring a configuration instruction data stream and/or configuration information sent by the user terminal;
generating a combined instruction according to the configuration instruction data stream and/or the configuration information;
and sending the combination instruction to the vehicle-mounted terminal so that the vehicle-mounted terminal determines vehicle operation data associated with the combination instruction when receiving the combination instruction, encapsulates the vehicle operation data based on a ProtoBuf data format, and sends the encapsulated vehicle operation data to the server.
3. The method of claim 2, wherein the step of obtaining the configuration instruction data stream and/or the configuration information sent by the user terminal further comprises:
receiving an inquiry instruction of the user terminal, wherein the inquiry instruction comprises at least one inquiry signal item;
the step of generating a combined instruction according to the configuration instruction data stream and/or the configuration information comprises:
and combining the query signal item and the configuration instruction data stream and/or the configuration information to generate the combined instruction.
4. The method of claim 2, wherein the step of sending the combination instruction to the in-vehicle terminal is preceded by the step of:
determining a first data type corresponding to the field name of the combined instruction;
determining a first coding mode and a first storage mode corresponding to the first data type;
sequentially encoding and packaging the combined instruction based on the first encoding mode and the first storage mode;
the step of sending the combination instruction to the vehicle-mounted terminal comprises:
and sending the packaged combination instruction to the vehicle-mounted terminal.
5. The method of claim 2, wherein the combination instruction comprises a state detection instruction and a data diagnosis instruction; the step of sending the combination instruction to the vehicle-mounted terminal comprises:
sending the state detection instruction to the vehicle-mounted terminal;
after the combination instruction is sent to the vehicle-mounted terminal, the method further comprises the following steps:
receiving a feedback result of the vehicle-mounted terminal based on the state detection instruction, and determining the working state of the vehicle-mounted terminal according to the feedback result;
when the vehicle-mounted terminal is in an online state, sending the data diagnosis instruction to the vehicle-mounted terminal, and executing the step of receiving vehicle operation data fed back by the vehicle-mounted terminal, wherein the vehicle operation data is data determined according to the data diagnosis instruction;
and when the vehicle-mounted terminal is in an off-line state, executing the step of sending the state detection instruction to the vehicle-mounted terminal based on a preset time interval.
6. The method of claim 2, wherein the step of sending the combination instruction to the in-vehicle terminal comprises:
and sending the combined instruction to the vehicle-mounted terminal based on the MQTT communication channel.
7. The method of claim 1, wherein the step of acquiring vehicle operation data associated with an instruction number of an inquiry instruction upon receiving the inquiry instruction transmitted from a user terminal comprises:
when receiving a query instruction sent by the user terminal, determining user information associated with the user terminal;
verifying the access authority of the user terminal based on the user information;
and when the verification is successful, acquiring vehicle operation data associated with the instruction number of the inquiry instruction.
8. A remote diagnosis method of a vehicle is applied to a vehicle-mounted terminal, and comprises the following steps:
when a combined instruction sent by a server is received, determining vehicle operation data associated with the combined instruction;
packaging the vehicle operation data based on a ProtoBuf data format;
and sending the packaged vehicle operation data to the server.
9. The method of claim 8, wherein the step of encapsulating the vehicle operation data based on the ProtoBuf data format comprises:
determining a second data type corresponding to the field name of the vehicle operation data;
determining a second coding mode and a second storage mode corresponding to the second data type;
and sequentially encoding and packaging the vehicle operation data based on the second encoding mode and the second storage mode.
10. A remote diagnosis method for a vehicle, applied to a user terminal, the method comprising:
when a vehicle operation data query request of a vehicle-mounted terminal is received, determining a query instruction according to the query request, and sending the query instruction to a server;
and receiving vehicle operation data associated with the instruction number of the server based on the query instruction, and diagnosing the vehicle-mounted terminal based on the vehicle operation data.
11. The method of claim 10, wherein the step of determining the query instruction according to the query request when the vehicle operation data query request for the in-vehicle terminal is received comprises:
when a configuration request for a vehicle-mounted terminal is received, determining a configuration instruction data stream and/or configuration information of the vehicle-mounted terminal;
and sending the configuration instruction data stream and/or the configuration information to the server.
12. A server, characterized in that the server comprises: a first memory, a first processor and a remote diagnostic program of a vehicle stored on the first memory and executable on the first processor, the remote diagnostic program of a vehicle when executed by the first processor implementing the steps of the remote diagnostic method of a vehicle as claimed in any one of claims 1 to 7.
13. A vehicle-mounted terminal, characterized in that the vehicle-mounted terminal comprises: second memory, a second processor and a remote diagnostic program of a vehicle stored on the second memory and executable on the second processor, the remote diagnostic program of a vehicle, when executed by the second processor, implementing the steps of the remote diagnostic method of a vehicle according to any one of claims 8 to 9.
14. A user terminal, characterized in that the user terminal comprises: third memory, a third processor and a remote diagnosis program of a vehicle stored on the third memory and executable on the third processor, the remote diagnosis program of a vehicle implementing the steps of the remote diagnosis method of a vehicle according to claims 10-11 when executed by the third processor.
15. A computer storage medium characterized in that a remote diagnosis program of a vehicle is stored thereon, the remote diagnosis program of the vehicle implementing the steps of the remote diagnosis method of a vehicle of any one of claims 1 to 7 when executed by a processor; or, the remote diagnosis program of the vehicle is executed by a processor to implement the steps of the remote diagnosis method of the vehicle of claims 8 to 9; alternatively, the remote diagnosis program of the vehicle, when executed by a processor, implements the steps of the remote diagnosis method of the vehicle of claims 10-11.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116149304A (en) * | 2023-04-21 | 2023-05-23 | 中国第一汽车股份有限公司 | Vehicle diagnosis system, method, equipment and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116149304A (en) * | 2023-04-21 | 2023-05-23 | 中国第一汽车股份有限公司 | Vehicle diagnosis system, method, equipment and storage medium |
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