CN113687646B - Vehicle remote diagnosis system and method - Google Patents
Vehicle remote diagnosis system and method Download PDFInfo
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- CN113687646B CN113687646B CN202111244673.8A CN202111244673A CN113687646B CN 113687646 B CN113687646 B CN 113687646B CN 202111244673 A CN202111244673 A CN 202111244673A CN 113687646 B CN113687646 B CN 113687646B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0259—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the response to fault detection
- G05B23/0262—Confirmation of fault detection, e.g. extra checks to confirm that a failure has indeed occurred
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24065—Real time diagnostics
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Abstract
The application provides a vehicle remote diagnosis system and a vehicle remote diagnosis method, wherein a first diagnosis device is connected with a vehicle-mounted system through an OBD connecting line, remote communication connection is established between the first diagnosis device and a second diagnosis device, the first diagnosis device can transmit vehicle data to the second diagnosis device, so that the second diagnosis device diagnoses a vehicle according to the vehicle data, and after receiving the vehicle data, the second diagnosis device diagnoses the vehicle remotely according to the vehicle data and feeds back the diagnosis data to the first diagnosis device; when the first diagnosis equipment can not be used for diagnosing and maintaining the vehicle, the remote professional diagnosis equipment can be used as second diagnosis equipment or even third diagnosis equipment, and the first diagnosis equipment is used as a transmission medium, so that the second diagnosis equipment can remotely diagnose the vehicle as if the second diagnosis equipment is arranged at the vehicle accessory, and thus, a maintenance shop can maintain various vehicle types without purchasing too many professional diagnosis equipment, and the operation and maintenance cost is reduced.
Description
Technical Field
The application relates to the technical field of automobile diagnosis, in particular to a vehicle remote diagnosis system and method.
Background
The on-board diagnosis system allows a vehicle user or a technician to obtain important information about each module in a vehicle, and in a conventional maintenance process, a maintenance person uses a dedicated vehicle diagnosis device adapted to be connected to the vehicle to obtain vehicle data, and accordingly, due to different communication protocols, the maintenance person often needs to purchase a plurality of different types of vehicle diagnosis devices, for example, the maintenance person performs fault diagnosis on a ford vehicle, may need a professional diagnosis device manufactured by ford vehicle company to perform fault diagnosis on a bmw vehicle, and needs a professional diagnosis device for a bmw vehicle, so that if the maintenance person wants to service more vehicle brands and models, he must invest a lot in the diagnosis device, however, the price of the professional diagnosis device is generally high, especially for imported vehicles, so that a single diagnosis device cannot perform diagnosis on vehicles of a plurality of vehicle models, this undoubtedly increases the operating costs of the repair shop, as well as the costs of the owner.
Disclosure of Invention
The application mainly aims to provide a vehicle remote diagnosis system and method, and aims to solve the technical problem that in the prior art, a single diagnosis device cannot perform fault diagnosis on vehicles of various vehicle types.
The present application provides a vehicle remote diagnosis system, characterized by comprising: the vehicle-mounted system, a first diagnostic device, a second diagnostic device and a third diagnostic device, wherein the first diagnostic device is connected with the vehicle-mounted system based on an OBD communication protocol, the first diagnostic device is in remote communication connection with the second diagnostic device, and the third diagnostic device is connected with the second diagnostic device through the OBD communication protocol;
the first diagnostic equipment is used for acquiring vehicle data of an on-board system and transmitting the vehicle data to the second diagnostic equipment;
the second diagnosis device is used for receiving the vehicle data sent by the first diagnosis device and carrying out remote diagnosis on the vehicle corresponding to the vehicle-mounted system according to the vehicle data to obtain first diagnosis data;
the second diagnostic device is also used for transmitting the first diagnostic data to the first diagnostic device or the on-board system;
the third diagnostic device is used for remotely diagnosing the automobile corresponding to the vehicle-mounted system according to the vehicle data when the second diagnostic device cannot diagnose to obtain second diagnostic data, and transmitting the second diagnostic data to the first diagnostic device or the vehicle-mounted system through the second diagnostic device.
Preferably, the second diagnostic device includes a communication module and a diagnostic module, the communication module is connected with the first diagnostic device remotely at one end and connected with the diagnostic module at the other end, and is used for establishing a communication link between the first diagnostic device and the diagnostic module, and the communication link is used for transmitting the vehicle data and the diagnostic data.
Preferably, the second diagnostic device further includes an OBD interface, one end of the OBD interface is connected with the third diagnostic device based on an OBD communication protocol, and the other end of the OBD interface is connected with the communication module, the communication module is configured to send vehicle data to the third diagnostic device through the OBD interface, and the third diagnostic device is configured to receive the vehicle data, diagnose, according to the vehicle data, an automobile corresponding to the on-board system, and generate second diagnostic data;
the third diagnostic device is further configured to transmit the second diagnostic data to the communication module through the OBD interface, and the communication module is configured to transmit the second diagnostic data to the first diagnostic device or the on-board system.
Preferably, the communication module comprises a data transmission unit and a communication unit, one end of the data transmission unit is remotely connected with the first diagnostic equipment, and the other end of the data transmission unit is connected with the diagnostic module and is used for transmitting the vehicle data and the diagnostic data; the communication unit is in remote communication connection with the first diagnostic equipment and is used for being in remote communication connection with the first diagnostic equipment.
Preferably, the vehicle remote diagnosis system further includes a server cluster, where the server cluster includes a plurality of relay servers, and the relay servers are configured to establish a remote communication connection between the first diagnosis device and the second diagnosis device, where the first diagnosis device is configured to send a connection signal to each of the relay servers, the plurality of relay servers are configured to feed back an acknowledgement signal to the first diagnosis device according to the connection signal, a calculation module and a selection module are disposed in the first diagnosis device, and the calculation module is configured to calculate a delay time for sending the connection signal to each of the relay servers and for each of the relay servers to feed back the acknowledgement signal to the first diagnosis device according to the connection signal;
the computing module is further used for comparing the delay times and sending the comparison result to the selecting module, and the selecting module is used for selecting one transfer server from the plurality of transfer servers to carry out remote communication connection according to the comparison result.
The application also provides a vehicle remote diagnosis method, which comprises the following steps:
the first diagnostic equipment is connected with the vehicle-mounted system based on an OBD communication protocol, and the first diagnostic equipment is in remote communication connection with the second diagnostic equipment;
the first diagnostic equipment acquires vehicle data of the vehicle-mounted system and transmits the vehicle data to the second diagnostic equipment;
the second diagnostic equipment receives the vehicle data sent by the first diagnostic equipment, and carries out remote diagnosis on the vehicle corresponding to the vehicle-mounted system according to the vehicle data to obtain first diagnostic data;
the second diagnostic device transmitting the first diagnostic data to the first diagnostic device or the on-board system;
the third diagnostic equipment is connected with the second diagnostic equipment through an OBD communication protocol;
the third diagnostic equipment carries out remote diagnosis on the automobile corresponding to the vehicle-mounted system according to the vehicle data when the second diagnostic equipment cannot diagnose, so as to obtain second diagnostic data;
the third diagnostic device transmits the second diagnostic data to the first diagnostic device or the on-board system through the second diagnostic device.
Preferably, the second diagnostic device includes a communication module and a diagnostic module, the communication module is connected with the first diagnostic device remotely at one end and with the diagnostic module at the other end, and the communication module establishes a communication link between the first diagnostic device and the diagnostic module, wherein the communication link is used for transmitting the vehicle data and the diagnostic data.
Preferably, the second diagnostic device further comprises an OBD interface, one end of the OBD interface is connected with a third diagnostic device based on an OBD communication protocol, and the other end of the OBD interface is connected with the communication module, wherein the communication module sends vehicle data to the third diagnostic device through the OBD interface;
the third diagnosis equipment receives the vehicle data, diagnoses the automobile corresponding to the vehicle-mounted system according to the vehicle data and generates second diagnosis data;
the third diagnostic device transmits the second diagnostic data to the communication module through the OBD interface, and the communication module transmits the second diagnostic data to the first diagnostic device or the vehicle-mounted system.
Preferably, the communication module includes a data transmission unit and a communication unit, one end of the data transmission unit is remotely connected with the first diagnostic device, the other end of the data transmission unit is connected with the diagnostic module and is used for transmitting the vehicle data and the diagnostic data, and the communication unit is remotely connected with the first diagnostic device and is used for being remotely connected with the first diagnostic device.
Preferably, the first diagnostic device and the second diagnostic device establish a remote communication connection through a plurality of transit servers, wherein the set of the plurality of transit servers is a server cluster;
the step of establishing a remote communication connection between the first diagnostic device and the second diagnostic device through a transit server comprises the following steps:
the first diagnosis equipment sends a connection signal to each transfer server, and the transfer servers feed back confirmation signals to the first diagnosis equipment according to the connection signal;
a calculation module and a selection module are arranged in the first diagnostic equipment, and the calculation module calculates the delay time for sending a connection signal to each transfer server and for each transfer server to feed back a confirmation signal to the first diagnostic equipment according to the connection signal;
the calculation module is also used for comparing the delay times and sending the comparison result to the selection module, and the selection module is used for selecting one transfer server from the plurality of transfer servers to carry out remote communication connection according to the comparison result.
The beneficial effect of this application does: the application provides a vehicle remote diagnosis system and a method, a first diagnosis device and a vehicle-mounted system can be connected through an OBD connecting line, so that the first diagnosis device can acquire vehicle-mounted data in the vehicle-mounted system, remote communication connection is established between the first diagnosis device and a second diagnosis device, the first diagnosis device can transmit the vehicle data to the second diagnosis device, so that the second diagnosis device diagnoses the vehicle according to the vehicle data, the second diagnosis device can diagnose the vehicle directly according to the vehicle data after receiving the vehicle data, and the diagnosis data is fed back to the first diagnosis device, therefore, if a maintenance person in a maintenance shop cannot diagnose and maintain the vehicle by using the first diagnosis device, a professional diagnosis device at a far end can be used as the second diagnosis device, and the first diagnosis device is used as a transmission medium, so that the second diagnosis device can diagnose the vehicle remotely, as it is in the vehicle accessories, the maintenance shop can maintain various vehicle types without buying excessive professional diagnostic equipment, thus reducing the operation and maintenance cost; by arranging the third diagnostic equipment 4, when the second diagnostic equipment 3 cannot perform diagnosis, supplementary diagnosis can be performed through the third diagnostic equipment 4, and the problem of difficulty in vehicle maintenance caused by the fact that both the first diagnostic equipment and the second diagnostic equipment cannot perform diagnosis is solved.
Drawings
FIG. 1 is a schematic flow chart of a vehicle remote diagnosis system according to an embodiment of the present application;
FIG. 2 is a schematic structural diagram illustrating a vehicle remote diagnosis method according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of a computer device according to an embodiment of the present application.
The implementation, functional features and advantages of the objectives of the present application will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
As shown in fig. 1-2, the present application provides a vehicle remote diagnosis system, comprising:
the vehicle-mounted system comprises a vehicle-mounted system 1, a first diagnosis device 2, a second diagnosis device 3 and a third diagnosis device 4, wherein the first diagnosis device 2 is connected with the vehicle-mounted system 1 based on an OBD communication protocol, the first diagnosis device 2 is in remote communication connection with the second diagnosis device 3, and the third diagnosis device 4 is connected with the second diagnosis device 3 through the OBD communication protocol; the first diagnostic equipment 2 is used for acquiring vehicle data of the vehicle-mounted system 1 and transmitting the vehicle data to the second diagnostic equipment 3; the second diagnostic equipment 3 is used for receiving the vehicle data sent by the first diagnostic equipment 2 and carrying out remote diagnosis on the vehicle corresponding to the vehicle-mounted system 1 according to the vehicle data to obtain first diagnostic data; the second diagnostic device 3 is also used for transmitting the first diagnostic data to the first diagnostic device 2 or the on-board system 1; the third diagnostic device 4 is configured to perform remote diagnosis on the vehicle corresponding to the on-board system according to the vehicle data when the second diagnostic device 3 cannot perform diagnosis, obtain second diagnostic data, and transmit the second diagnostic data to the first diagnostic device 2 or the on-board system 1 through the second diagnostic device 3. Specifically, the first diagnostic device 2 and the on-board system 1 may be connected through an OBD connection line, so that the first diagnostic device 2 can obtain on-board data in the on-board system 1, and since a maintenance shop generally needs to diagnose a plurality of different types of vehicles, it is easy for the first diagnostic device 2 connected to the on-board system 1 to fail to diagnose some faults of some vehicle types, based on which, a remote communication connection may be established between the first diagnostic device 2 and the second diagnostic device 3, the first diagnostic device 2 may transmit vehicle data to the second diagnostic device 3, so that the second diagnostic device 3 diagnoses the vehicle according to the vehicle data, it is required to say that the first diagnostic device 2 and the second diagnostic device 3 are different in diagnostic function, when selecting a remote connection object, the first diagnostic device 2 may select the second diagnostic device 3 most suitable for remote communication connection based on the vehicle data of the vehicle, after receiving the vehicle data, the second diagnostic device 3 can diagnose the vehicle remotely according to the vehicle data directly, and feed back the diagnostic data to the first diagnostic device 2, wherein the diagnostic data includes any data which can be received and used directly by the vehicle-mounted system 1, such as diagnostic report data, programming data, maintenance data, and the like, the first diagnostic device 2 can select whether to transmit the diagnostic data to the vehicle-mounted system 1 according to the specific content of the diagnostic data, for example, if the diagnostic data is the diagnostic report data and the programming data, the first diagnostic device 2 can directly maintain the vehicle according to the diagnostic report data, and transmit the programming data to the vehicle-mounted system 1, so that the vehicle-mounted system 1 can complete the updating or repairing of some software; in addition, the second diagnostic device 3 is generally applied to a remote professional maintenance center or a large cloud maintenance center of a certain vehicle type, and such a maintenance center includes professional diagnostic devices of multiple types of vehicles, so that if a maintenance person in a maintenance shop uses the first diagnostic device 2 to perform diagnosis and maintenance on the vehicle, the remote professional diagnostic device can be used as the second diagnostic device 3, and the first diagnostic device 2 is used as a transmission medium, so that the second diagnostic device 3 can remotely diagnose the vehicle as if the vehicle is attached to the vehicle, and thus the maintenance shop can perform maintenance on multiple vehicle types without purchasing too many professional diagnostic devices, and the operation and maintenance cost is reduced; by arranging the third diagnostic equipment 4, when the second diagnostic equipment 3 cannot perform diagnosis, supplementary diagnosis can be performed through the third diagnostic equipment 4, and the problem of difficulty in vehicle maintenance caused by the fact that both the first diagnostic equipment and the second diagnostic equipment cannot perform diagnosis is solved.
Specifically, a fourth diagnostic device and a fifth diagnostic device may be further provided, and only the third diagnostic device 4 needs to be provided with an OBD interface and then communicate through an OBD communication protocol, so that the problem of difficulty in maintenance caused by the fact that the third diagnostic device 4 fails to perform diagnosis can be avoided.
In one embodiment, the second diagnostic device 3 comprises a communication module 31 and a diagnostic module 32, the communication module 31 being remotely connected to the first diagnostic device 2 at one end and to the diagnostic module 32 at the other end for establishing a communication link between the first diagnostic device 2 and the diagnostic module 32, the communication link being used for transmitting vehicle data and diagnostic data; specifically, when the second diagnostic device 3 remotely diagnoses the vehicle, the first diagnostic device 2 establishes a connection with the communication module 31 and transmits vehicle data to the communication module 31, and the communication module 31 transmits the vehicle data to the diagnostic module 32, so that the diagnostic module 32 diagnoses a fault of the vehicle according to the vehicle data; in the prior art, when a vehicle is remotely diagnosed, a first diagnostic device 2 located near the vehicle is usually required to be remotely connected with a remote communication device so as to transmit vehicle data to the remote communication device, the remote communication device is then connected with a computer system or a second diagnostic device 3 with a diagnostic function, and the computer system or the second diagnostic device 3 receives vehicle-mounted data through the remote communication device so as to diagnose the vehicle, so that the remote diagnosis method needs to rely on the remote communication device as a transmission medium when transmitting the vehicle data, and when the vehicle-mounted data is transmitted, because the vehicle-mounted data is transmitted to the remote communication device and then transmitted to the computer system or the second diagnostic device 3, the transmission time and the transmission time of the vehicle-mounted data are increased undoubtedly, and uncertainty includes whether the vehicle-mounted data has packet loss or not, whether the vehicle-mounted data is incomplete or not, and the like. In the application, when the first diagnostic device 2 is remotely connected with the second diagnostic device 3, the remote communication device is not needed, so that the transmission rate of vehicle data can be increased, the transmission time is short, and uncertainty caused by time can be avoided.
In one embodiment, the second diagnostic device 2 further includes an OBD interface 33, one end of the OBD interface 33 is connected with the third diagnostic device 4 based on an OBD communication protocol, and the other end of the OBD interface 33 is connected with the communication module 31, the communication module 31 is configured to send vehicle data to the third diagnostic device 4 through the OBD interface 33, and the third diagnostic device 4 is configured to receive the vehicle data and diagnose the vehicle corresponding to the on-board system 1 according to the vehicle data and generate second diagnostic data; the third diagnostic device 4 is further configured to transmit second diagnostic data to the communication module 31 through the OBD interface 33, and the communication module 31 is configured to transmit the second diagnostic data to the first diagnostic device or the on-board system 1; because the types of the vehicle models in the prior art are various, the types of the diagnostic devices are also various, most of the diagnostic devices cannot be directly connected with the first diagnostic device 2 in a remote manner, that is, most of the diagnostic devices cannot be adapted to the first diagnosis, when the second diagnostic device 3 cannot complete fault diagnosis of the vehicle, the third diagnostic device 4 and the second diagnostic device 3 can be connected based on the OBD interface 33, the second diagnostic device 3 can transmit vehicle-mounted data to the third diagnostic device 4 through the OBD interface 33, because the OBD interface 33 is a standard interface of the automobile industry, the second diagnostic device 3 can replace the third diagnostic device 4 of different types based on the OBD interface 33, so that the third diagnostic device 4 can complete fault diagnosis of the vehicle, and after the fault diagnosis is completed, the third diagnostic device 4 can also transmit second diagnostic data to the second diagnostic device 3 through the OBD interface 33, the second diagnostic data is then transmitted by the communication module 31 in the second diagnostic device 3 to the first diagnostic device 2.
In one embodiment, the communication module 31 includes a data transmission unit and a communication unit, the data transmission unit is remotely connected with the first diagnostic device 2 at one end and connected with the diagnostic module 32 at the other end for transmitting vehicle data and diagnostic data; the communication unit is in remote communication connection with the first diagnostic device 2 and is used for being in remote communication connection with the first diagnostic device 2, specifically, when the second diagnostic device 3 performs remote diagnosis on the vehicle, in order to facilitate communication between a maintenance worker at the end of the first diagnostic device 2 and a worker at the end of the second diagnostic device 3, when the first diagnostic device 2 sends a remote request connection to the second diagnostic device 3, the communication connection can be established with the second diagnostic device 3 through the communication unit, so that the maintenance worker of the first diagnostic device 2 and the worker of the second diagnostic device 3 can perform information communication, the communication mode can be communication data sending, and the communication data consists of one or more of texts, pictures, voices and videos, namely, the maintenance worker and the worker can perform audio-video communication through the first diagnostic device 2 and the second diagnostic device 3, And text chatting can improve the diagnosis efficiency of vehicle fault diagnosis.
In one embodiment, the vehicle remote diagnosis system further includes a server cluster, where the server cluster includes a plurality of relay servers, and the relay servers are configured to establish a remote communication connection between the first diagnostic device 2 and the second diagnostic device 3, where the first diagnostic device 2 is configured to send a connection signal to each relay server, the plurality of relay servers are configured to feed back an acknowledgement signal to the first diagnostic device 2 according to the connection signal, a calculation module and a selection module are disposed in the first diagnostic device 2, and the calculation module is configured to calculate a delay time for sending the connection signal to each relay server and for each relay server to feed back the acknowledgement signal to the first diagnostic device 2 according to the connection signal; the calculation module is also used for comparing the delay times and sending the comparison result to the selection module, and the selection module is used for selecting one transfer server from the plurality of transfer servers according to the comparison result to carry out remote communication connection. Because the first diagnostic device 2 and the second diagnostic device 3 are in remote communication connection, the dependence degree on the network is high, and in order to prevent the occurrence of situations such as too long vehicle data transmission time, remote connection interruption, remote connection failure and the like caused by unstable connection due to network delay in the connection process, in the embodiment, the vehicle remote diagnostic system uses the relay server in the server cluster to enable the transmission of the vehicle data between the first diagnostic device 2 and the second diagnostic device 3 to tend to be stable; it should be noted that the relay server and the base station have similar properties, and therefore, the relay server can be taken as the base station for easy understanding; since the server cluster includes a plurality of relay servers, and the distance between the first diagnostic device 2 and the second diagnostic device 3 is relatively long, for example, the first diagnostic device 2 is located in city a, the second diagnostic device 3 is located in zhejiang, and the relay servers are distributed in places a, B, C, and zhejiang, etc., in order to select a relay server with the most stable transmission rate, the first diagnostic device 2 can send a connection signal to each relay server, and each relay server will feed back an acknowledgement signal to the first diagnostic device 2 after receiving the connection signal, at this time, the calculation module in the first diagnostic device 2 can calculate the delay time of each relay server, for example, the relay server located in city a is 10 milliseconds, the relay server located in city B is 5 milliseconds, the relay server located in city C is 7 milliseconds, and the relay server located in zhejiang is 3 milliseconds, the selection module can select the transit server with the shortest delay time to transmit the vehicle data, namely the transit server located in Zhejiang. Preferably, the second diagnostic device 3 may also be provided with a second computing module and a second selecting module, when the second diagnostic device 3 selects the transit server simultaneously with the first diagnosis, the first diagnostic device 2 may send the result of the selected transit server to the second diagnostic device 3, the second diagnostic device 3 may select whether to accept the remote connection with the transit server selected by the first diagnostic device 2, and if not, the second diagnostic device 3 may select a transit server meeting a preset condition according to the distance between the first diagnostic device 2 and the second diagnostic device 3, so that the first diagnostic device 2 and the second diagnostic device 3 can both ensure the stability of the vehicle-mounted data transmission to the maximum extent, for example, the first diagnostic device 2 is located in city a, the second diagnostic device 3 is located in zhejiang, and the transit servers are distributed in city a, city B, city C, city, etc, In Zhejiang et al, a transit server in the B city of the central place can be selected for vehicle data transmission. Preferably, the calculation module compares the delay times and sends the comparison result to the selection module, and the selection module is further used for controlling the plurality of transfer servers to establish serial connection and/or parallel connection according to the comparison result so that the vehicle data can be normally transmitted under the condition of network failure; specifically, the selection module judges the current network state of the transfer servers corresponding to the comparison result according to the comparison result, and selects any transfer server to carry out serial connection and/or parallel connection according to the current network state of each transfer server; after remote connection is established among the plurality of transfer servers, each transfer server sends a connection completion instruction to the selection module, the selection module sends vehicle-mounted data to any transfer server according to the received connection completion instruction, and the transfer servers transmit the vehicle-mounted data to the transfer servers which are connected with the transfer servers according to the serial connection and/or parallel connection relation, so that the vehicle-mounted data can be finally transmitted to the second diagnostic equipment 3; for example, when the first diagnostic device 2 is located in city a, the second diagnostic device 3 is located in zhejiang, and the transit servers are distributed in places a, B, C, and zhejiang, the first diagnostic device 2 may send vehicle-mounted data to the transit server in city a, and the transit server in city a transmits the vehicle-mounted data to the transit server in city C, and then transmits the vehicle-mounted data to the transit server in zhejiang through the transit server in city C; for another example, the first diagnostic device 2 may send different vehicle-mounted data to the transit server in city a and the transit server in city B, respectively, the vehicle-mounted data may be summarized at the transit server in zhejiang, and then sent to the transit server in zhejiang in a unified manner, and the vehicle-mounted data is transmitted to the second diagnostic device 3 by the transit server in zhejiang.
The application also provides a vehicle remote diagnosis method, which comprises the following steps:
s1, the first diagnostic equipment 2 is connected with the vehicle-mounted system 1 based on an OBD communication protocol, and the first diagnostic equipment 2 is in remote communication connection with the second diagnostic equipment 3;
s2, the first diagnostic equipment 2 acquires vehicle data of the vehicle-mounted system 1 and transmits the vehicle data to the second diagnostic equipment 3;
s3, the second diagnosis device 3 receives the vehicle data sent by the first diagnosis device 2, and carries out remote diagnosis on the vehicle corresponding to the vehicle-mounted system 1 according to the vehicle data to obtain first diagnosis data;
s4, the second diagnosis device 3 transmits the first diagnosis data to the first diagnosis device 2 or the vehicle-mounted system 1;
s5, connecting the third diagnostic equipment with the second diagnostic equipment through an OBD communication protocol;
s6, the third diagnostic equipment carries out remote diagnosis on the automobile corresponding to the vehicle-mounted system according to the vehicle data when the second diagnostic equipment cannot diagnose, and second diagnostic data are obtained;
and S7, the third diagnostic equipment transmits the second diagnostic data to the first diagnostic equipment or the vehicle-mounted system through the second diagnostic equipment.
By arranging the third diagnostic equipment 4, when the second diagnostic equipment 3 cannot perform diagnosis, supplementary diagnosis can be performed through the third diagnostic equipment 4, and the problem of difficulty in vehicle maintenance caused by the fact that both the first diagnostic equipment and the second diagnostic equipment cannot perform diagnosis is solved.
In one embodiment, the second diagnostic device 3 comprises a communication module 31 and a diagnostic module 32, the communication module 31 is remotely connected with the first diagnostic device 2 at one end and connected with the diagnostic module 32 at the other end, and the communication module 31 establishes a communication link between the first diagnostic device 2 and the diagnostic module 32, wherein the communication link is used for transmitting vehicle data and diagnostic data.
In one embodiment, the second diagnostic device 2 further includes an OBD interface 33, one end of the OBD interface 33 is connected with the third diagnostic device 4 based on an OBD communication protocol, and the other end is connected with the communication module 31, wherein the communication module 31 transmits the vehicle data to the third diagnostic device 4 through the OBD interface 33;
the third diagnostic device 4 receives the vehicle data, diagnoses the vehicle corresponding to the on-board system 1 according to the vehicle data, and generates second diagnostic data;
the third diagnostic device 4 transmits the second diagnostic data to the communication module 31 through the OBD interface 33, and the communication module 31 transmits the second diagnostic data to the first diagnostic device or the on-board system 1.
In one embodiment, the communication module 31 includes a data transmission unit and a communication unit, the data transmission unit is remotely connected with the first diagnostic device 2 at one end and the diagnostic module 32 at the other end for transmitting vehicle data and diagnostic data, and the communication unit is remotely connected with the first diagnostic device 2 for remotely communicating with the first diagnostic device 2.
In one embodiment, the first diagnostic device 2 and the second diagnostic device 3 establish a remote communication connection through a plurality of transit servers, wherein the set of the plurality of transit servers is a server cluster; the step of establishing the remote communication connection between the first diagnostic device 2 and the second diagnostic device 3 through the transit server includes: the first diagnostic device 2 sends a connection signal to each relay server, and the plurality of relay servers feed back confirmation signals to the first diagnostic device 2 according to the connection signals; a calculation module and a selection module are arranged in the first diagnostic device 2, and the calculation module calculates the delay time for sending a connection signal to each transfer server and for each transfer server to feed back a confirmation signal to the first diagnostic device 2 according to the connection signal; the calculation module is also used for comparing the delay times and sending the comparison result to the selection module, and the selection module is used for selecting one transfer server from the plurality of transfer servers to carry out remote communication connection according to the comparison result.
As shown in fig. 3, the present application also provides a computer device, which may be a server, and the internal structure of which may be as shown in fig. 3. The computer device includes a processor, a memory, a network interface, and a database connected by a system bus. Wherein the computer designed processor is used to provide computational and control capabilities. The memory of the computer device comprises a nonvolatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, a computer program, and a database. The memory provides an environment for the operation of the operating system and the computer program in the non-volatile storage medium. The database of the computer device is used for storing all data required by the process of the timed task scheduling method. The network interface of the computer device is used for communicating with an external terminal through a network connection. The computer program is executed by a processor to implement a vehicle remote diagnosis method.
Those skilled in the art will appreciate that the architecture shown in fig. 3 is only a block diagram of some of the structures associated with the disclosed aspects and is not intended to limit the computing devices to which the disclosed aspects may be applied.
An embodiment of the present application also provides a computer-readable storage medium on which a computer program is stored, the computer program, when executed by a processor, implementing any one of the above-described vehicle remote diagnosis methods.
It will be understood by those skilled in the art that all or part of the processes of the methods of the above embodiments may be implemented by hardware associated with instructions of a computer program, which may be stored on a non-volatile computer-readable storage medium, and when executed, may include processes of the above embodiments of the methods. Any reference to memory, storage, database, or other medium provided herein and used in the examples may include non-volatile and/or volatile memory. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), double-rate SDRAM (SSRSDRAM), Enhanced SDRAM (ESDRAM), synchronous link (Synchlink) DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, apparatus, article, or method that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, apparatus, article, or method. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, apparatus, article, or method that includes the element.
The above description is only a preferred embodiment of the present application, and not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application, or which are directly or indirectly applied to other related technical fields, are included in the scope of the present application.
Claims (8)
1. A vehicle remote diagnosis system characterized by comprising: the vehicle-mounted system, a first diagnostic device, a second diagnostic device and a third diagnostic device, wherein the first diagnostic device is connected with the vehicle-mounted system based on an OBD communication protocol, the first diagnostic device is in remote communication connection with the second diagnostic device, and the third diagnostic device is connected with the second diagnostic device through the OBD communication protocol;
the first diagnostic equipment is used for acquiring vehicle data of an on-board system and transmitting the vehicle data to the second diagnostic equipment;
the second diagnosis device is used for receiving the vehicle data sent by the first diagnosis device and carrying out remote diagnosis on the vehicle corresponding to the vehicle-mounted system according to the vehicle data to obtain first diagnosis data;
the second diagnostic device is also used for transmitting the first diagnostic data to the first diagnostic device or the on-board system;
the third diagnostic equipment is used for remotely diagnosing the automobile corresponding to the vehicle-mounted system according to the vehicle data when the second diagnostic equipment cannot diagnose to obtain second diagnostic data, and transmitting the second diagnostic data to the first diagnostic equipment or the vehicle-mounted system through the second diagnostic equipment;
the vehicle remote diagnosis system further comprises a server cluster, wherein the server cluster comprises a plurality of transfer servers, the transfer servers are used for establishing remote communication connection between the first diagnosis equipment and the second diagnosis equipment, the first diagnosis equipment is used for sending a connection signal to each transfer server, the transfer servers are used for feeding back a confirmation signal to the first diagnosis equipment according to the connection signal, a calculation module and a selection module are arranged in the first diagnosis equipment, and the calculation module is used for calculating the delay time for sending the connection signal to each transfer server and feeding back the confirmation signal to the first diagnosis equipment by each transfer server according to the connection signal;
the computing module is further used for comparing the delay times and sending the comparison result to the selecting module, and the selecting module is used for selecting one transfer server from the plurality of transfer servers to carry out remote communication connection according to the comparison result.
2. The vehicle remote diagnostic system of claim 1, wherein the second diagnostic device comprises a communication module and a diagnostic module, the communication module being remotely connected to the first diagnostic device at one end and to the diagnostic module at another end for establishing a communication link between the first diagnostic device and the diagnostic module, the communication link for transmitting the vehicle data and the diagnostic data.
3. The vehicle remote diagnosis system according to claim 2, further comprising an OBD interface on the second diagnosis device, wherein one end of the OBD interface is connected with the third diagnosis device based on an OBD communication protocol, and the other end of the OBD interface is connected with the communication module, the communication module is configured to send vehicle data to the third diagnosis device through the OBD interface, and the third diagnosis device is configured to receive the vehicle data and diagnose a car corresponding to the on-board system according to the vehicle data and generate second diagnosis data;
the third diagnostic device is further configured to transmit the second diagnostic data to the communication module through the OBD interface, and the communication module is configured to transmit the second diagnostic data to the first diagnostic device or the on-board system.
4. The vehicle remote diagnosis system according to claim 2, wherein the communication module comprises a data transmission unit and a communication unit, the data transmission unit is remotely connected with the first diagnosis device at one end and connected with the diagnosis module at the other end for transmitting the vehicle data and the diagnosis data; the communication unit is in remote communication connection with the first diagnostic equipment and is used for being in remote communication connection with the first diagnostic equipment.
5. A vehicle remote diagnosis method characterized by comprising the steps of:
the first diagnostic equipment is connected with the vehicle-mounted system based on an OBD communication protocol, and the first diagnostic equipment is in remote communication connection with the second diagnostic equipment;
the first diagnostic equipment acquires vehicle data of the vehicle-mounted system and transmits the vehicle data to the second diagnostic equipment;
the second diagnostic equipment receives the vehicle data sent by the first diagnostic equipment, and carries out remote diagnosis on the vehicle corresponding to the vehicle-mounted system according to the vehicle data to obtain first diagnostic data;
the second diagnostic device transmitting the first diagnostic data to the first diagnostic device or the on-board system;
the third diagnostic equipment is connected with the second diagnostic equipment through an OBD communication protocol;
the third diagnostic equipment carries out remote diagnosis on the automobile corresponding to the vehicle-mounted system according to the vehicle data when the second diagnostic equipment cannot diagnose, so as to obtain second diagnostic data;
the third diagnostic device transmits the second diagnostic data to the first diagnostic device or the on-board system through the second diagnostic device;
the first diagnostic equipment and the second diagnostic equipment establish remote communication connection through a plurality of transit servers, wherein the set of the plurality of transit servers is a server cluster;
the step of establishing a remote communication connection between the first diagnostic device and the second diagnostic device through a transit server comprises the following steps:
the first diagnosis equipment sends a connection signal to each transfer server, and the transfer servers feed back confirmation signals to the first diagnosis equipment according to the connection signal;
a calculation module and a selection module are arranged in the first diagnostic equipment, and the calculation module calculates the delay time for sending a connection signal to each transfer server and for each transfer server to feed back a confirmation signal to the first diagnostic equipment according to the connection signal;
the calculation module is also used for comparing the delay times and sending the comparison result to the selection module, and the selection module is used for selecting one transfer server from the plurality of transfer servers to carry out remote communication connection according to the comparison result.
6. The vehicle remote diagnosis method according to claim 5, wherein the second diagnosis device includes a communication module and a diagnosis module, the communication module being remotely connected to the first diagnosis device at one end and to the diagnosis module at the other end, the communication module establishing a communication link between the first diagnosis device and the diagnosis module, wherein the communication link is used for transmitting the vehicle data and the diagnosis data.
7. The vehicle remote diagnosis method according to claim 6, further comprising an OBD interface on the second diagnosis device, wherein the OBD interface is connected with a third diagnosis device based on an OBD communication protocol at one end and is connected with the communication module at the other end, wherein the communication module transmits vehicle data to the third diagnosis device through the OBD interface;
the third diagnosis equipment receives the vehicle data, diagnoses the automobile corresponding to the vehicle-mounted system according to the vehicle data and generates second diagnosis data;
the third diagnostic device transmits the second diagnostic data to the communication module through the OBD interface, and the communication module transmits the second diagnostic data to the first diagnostic device or the vehicle-mounted system.
8. The vehicle remote diagnosis method according to claim 6, wherein the communication module comprises a data transmission unit and a communication unit, the data transmission unit is remotely connected with the first diagnosis device at one end and the diagnosis module at the other end for transmitting the vehicle data and the diagnosis data, and the communication unit is remotely connected with the first diagnosis device for remotely connecting with the first diagnosis device.
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| CN114253251A (en) * | 2022-01-20 | 2022-03-29 | 深圳市元征科技股份有限公司 | Vehicle remote diagnosis method and device, equipment connector and storage medium |
| CN114973447B (en) * | 2022-07-21 | 2022-11-01 | 深圳市星卡软件技术开发有限公司 | Method and device for collecting automobile data and computer equipment |
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| CN105988461A (en) * | 2015-03-03 | 2016-10-05 | 广州汽车集团乘用车有限公司 | Internet-based automobile remote network software refreshing and diagnostic system |
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Address after: 518000 2606, building 4, phase II, Tian'an Yungu Industrial Park, Gangtou community, Bantian street, Longgang District, Shenzhen, Guangdong Patentee after: Shenzhen xingka Technology Co.,Ltd. Address before: 518000 2606, building 4, phase II, Tian'an Yungu Industrial Park, Gangtou community, Bantian street, Longgang District, Shenzhen, Guangdong Patentee before: Shenzhen Star Card Technology Co.,Ltd. |
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Denomination of invention: Vehicle remote diagnosis system and method Effective date of registration: 20221215 Granted publication date: 20220215 Pledgee: Societe Generale Bank Limited by Share Ltd. Shenzhen branch Pledgor: Shenzhen xingka Technology Co.,Ltd. Registration number: Y2022980027714 |