CN117631641A - Method and system for reading fault code through remote key based on SOA architecture - Google Patents
Method and system for reading fault code through remote key based on SOA architecture Download PDFInfo
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- CN117631641A CN117631641A CN202311534818.7A CN202311534818A CN117631641A CN 117631641 A CN117631641 A CN 117631641A CN 202311534818 A CN202311534818 A CN 202311534818A CN 117631641 A CN117631641 A CN 117631641A
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Abstract
The invention relates to a method and a system for reading fault codes through a remote key based on an SOA (service oriented architecture), wherein the system consists of a whole vehicle controller, a central processing unit, the remote key, a key reader and an upper computer; the whole vehicle controller sends the generated fault code to the central processing unit for summarizing; the central processing unit packages the fault code and sends the fault code to the remote control key for storage through the radio frequency emission assembly; the upper computer is connected with the key reader, and the remote control key receiver can read the fault code stored in the remote control key and transmit the fault code to the upper computer; maintenance personnel can carry out fault code analysis through upper computer software, detect vehicle fault code. When a vehicle fails, a fault code can be recorded only by powering on the remote control key, and a maintenance person can carry out fault analysis in an office after taking the remote control key; when the vehicle cannot move due to faults, the fault code can be recorded only by electrifying the remote control key, and the remote control key is distributed to a maintenance factory, so that fault analysis can be performed in advance, and the maintenance efficiency is quickened.
Description
Technical Field
The invention belongs to the technical field of automobile electrical appliances, and particularly relates to a method and a system for reading fault codes through a remote key based on an SOA architecture.
Background
At present, the market share of electric vehicles is gradually improved, and the proportion of electric controllers in the vehicles is higher and higher. When an electrical appliance fault occurs, the existing investigation mode is mainly to link a vehicle diagnosis port through a diagnosis instrument or a bus tool to carry out fault code inquiry. The process needs to be carried out on the vehicle, remote investigation of maintenance personnel cannot be achieved, the fault code of the vehicle is detected, and the maintenance process is time-consuming and labor-consuming.
Disclosure of Invention
The invention aims to provide a method for reading fault codes by a remote control key based on an SOA architecture, and provides a system for reading fault codes by the remote control key based on the SOA architecture so as to solve the problem of remote fault analysis by the remote control key.
The invention aims at realizing the following technical scheme:
the system for reading the fault code through the remote key based on the SOA architecture comprises a whole vehicle controller, a central processing unit, the remote key, a key reader and an upper computer;
the vehicle control unit is connected with the central processing unit through the vehicle-mounted Ethernet bus, and can send the generated fault code to the central processing unit for summarizing when the electric appliance of the vehicle fails;
the remote control key can interact with the radio frequency emission assembly of the vehicle, and the central processing unit packages fault codes uploaded by the controller assemblies and sends the fault codes to the chip of the remote control key for storage through the radio frequency emission assembly;
the upper computer is connected with the key reader, and the remote key receiver can read the fault code stored in the remote key and transmit the fault code to the upper computer; maintenance personnel can carry out fault code analysis through upper computer software, detects vehicle fault code.
Further, the whole vehicle controller comprises a vehicle body controller, an air conditioner controller, an ADAS system controller, an air conditioner controller, an instrument, a vehicle machine, a vehicle body stabilizing system controller, an engine controller, a steering auxiliary system controller, a gearbox controller and a seat controller.
Further, the controllers are connected through a CAN bus or a LIN bus.
Further, the controllers are connected through an ethernet or other form of network bus, and data transmission is performed through the network connection.
A method for reading fault codes through a remote key based on SOA architecture comprises the following steps:
A. setting the whole vehicle electric appliance architecture as an SOA architecture, wherein in the mode that the whole vehicle power supply state is IGON, the vehicle generates electric appliance faults, and the corresponding controller generates fault codes;
B. transmitting fault code data to a central processing unit by all electric appliance controllers of the whole vehicle through a vehicle-mounted Ethernet bus for summarizing;
C. a chip is added in the remote control key to store fault codes, and the central processing unit transmits the fault codes to the remote control key through a remote control key reading function and stores the fault codes in the remote control key internal chip;
D. the car owner takes the remote control key to a maintenance person, the maintenance person places the remote control key on a remote control key reader connected with an upper computer, the fault code of the whole car in the remote control key is read through upper computer software, and then the fault code analysis is carried out, so that the maintenance person can conveniently detect the fault code of the car.
Further, in the step A, the power state IGON of the whole vehicle is that the relays on all power lines are controlled to be attracted through an ignition switch, so that all wire harnesses are normally electrified;
furthermore, each controller assembly after power-on can perform self-checking, and faults existing in the controller assembly are found in the self-checking process and stored in the memory of the controller.
And C, the remote control key interacts with the radio frequency receiving and transmitting assembly of the vehicle through wireless signals, the low frequency signals are mainly used, and the central processing unit packages fault codes uploaded by the controller assemblies and sends the fault codes to a chip of the remote control key through the radio frequency transmitting assembly for storage.
Compared with the prior art, the invention has the beneficial effects that:
according to the method and the system for reading the fault code through the remote control key based on the SOA architecture, the fault code is sent to the remote control key and stored, and when the fault code of the electric appliance of the vehicle is required to be read, fault diagnosis can be carried out by reading the fault code stored in the remote control key, so that maintenance staff can conveniently check faults. In particular, the following advantages are provided:
1. when a vehicle is in fault, the fault code can be recorded only by electrifying the remote control key, and a maintenance person can carry out fault analysis in an office after taking the remote control key;
2. when the vehicle cannot move due to faults, the fault code can be recorded only by electrifying the remote control key, and the remote control key is distributed to a maintenance factory, so that fault analysis can be performed in advance, and the maintenance efficiency is quickened.
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In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart of a method for reading fault codes by a remote key based on an SOA architecture;
FIG. 2 is a block diagram of a system for reading fault codes by remote keys based on SOA architecture.
Detailed Description
The invention is further illustrated by the following examples:
the invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only to distinguish the description, and are not to be construed as indicating or implying relative importance.
According to the invention, a chip is added in the remote control key to store fault codes, the fault codes are generated by all electric appliance controllers of the whole vehicle based on an SOA (service oriented architecture) architecture mode of a central processing unit, and the fault codes are sent to the central processing unit for summarization through a vehicle-mounted Ethernet bus; after the power supply state of the vehicle is switched to IGON, the central processing unit sends a fault code to the remote control key for storage through the remote control key reading function; maintenance personnel read the fault code stored in the remote control key through upper computer software and the remote control key receiver, carry out fault code analysis, and the maintenance personnel conveniently detect the vehicle fault code.
As shown in fig. 1, the method for reading fault codes by remote control keys based on an SOA architecture comprises the following steps:
1. and setting the whole vehicle electric appliance architecture as an SOA architecture, namely under the mode that the whole vehicle power supply state is IGON, the vehicle has electric appliance faults, and the corresponding controller can generate fault codes. And recording fault codes generated by all the electric appliance controllers of the whole vehicle.
Specifically, the power state IGON of the whole vehicle is to control the relay on each power line to be attracted through an ignition switch, so that each wire harness is normally electrified. Each controller assembly after power-on can carry out self-checking, faults existing in the self-checking process are found, suppliers develop fault codes according to fault design specifications of a host factory during development, and the faults found by self-checking exist in a memory of the controller.
The fault code recording of each controller assembly of the automobile is one function required by development, the fault code recording function is required by the electric appliance controller assembly according to the specification of ISO14229 diagnosis service, and the controller assembly developed by a supplier forms different fault codes according to different fault reasons and records the different fault codes in a memory in the assembly according to the fault design specification provided by a host factory. Different fault reasons correspond to different fault codes, and the specific content of the fault codes is specified by fault design specifications developed by a host factory. For example, if the wire of the controller is broken, a fault code of the broken wire is generated and stored, and when the diagnostic apparatus is used for diagnosing the controller through the fault code reading service in the ISO14229 diagnostic service, the fault code recorded by the controller can be read, and then the cause of the fault code is analyzed according to the fault design specification to check the automobile fault.
2. And all the electric appliance controllers of the whole vehicle summarize the fault codes to the central processing unit through the vehicle-mounted Ethernet bus for summarizing.
3. And a chip is added in the remote control key to store fault codes. The central processing unit transmits the fault code to the remote control key through the remote control key reading function, and stores the fault code in an internal chip of the remote control key.
The remote control key interacts with the radio frequency transceiver assembly of the vehicle through wireless signals, generally, low frequency signals are mainly used, the SOA architecture of the vehicle is a central processing unit architecture, and each controller assembly of the vehicle and the central processing unit carry out data transmission through Ethernet or CAN bus. Each controller assembly performs fault detection through power-on self-detection, forms a fault code from the detected fault and stores the fault code into a memory of the controller assembly, and then uploads the fault code to a vehicle central controller through a bus for storage. When the remote control key interacts with the radio frequency emission assembly of the vehicle, the central processing unit packages fault codes uploaded by the controller assemblies and sends the fault codes to the chip added with the remote control key for storage through the radio frequency emission assembly.
4. The car owner takes the remote control key to a maintenance person, the maintenance person places the remote control key on a remote control key reader connected with an upper computer, the fault code of the whole car in the remote control key is read through upper computer software, and then the fault code analysis is carried out, so that the maintenance person can conveniently detect the fault code of the car.
The fault codes formed by self-checking of the controllers of the whole vehicle and collected by the central controller are transmitted to the remote control key for storage through the radio frequency transmitter in the form of data packets, the data packets in the remote control key are read through developed upper computer software and a remote control key reader, the fault codes are read through the fault design specification content of a host factory, and the host factory has special fault content and formation reasons for each fault code during development and analyzes through comparison of files.
The invention discloses a fault code reading system based on an SOA (service oriented architecture) through a remote key, which consists of a whole vehicle controller, a central processing unit, the remote key, a key reader and an upper computer.
There are many whole vehicle controllers, for example, an engine control assembly, a gearbox control assembly, a whole vehicle controller, a power battery controller, a motor controller of a new energy vehicle, and a meter, a vehicle machine, a vehicle body controller, an air conditioner controller, and the like, which are commonly owned by the fuel vehicle and the new energy vehicle.
As shown in fig. 2, in this embodiment, the whole vehicle controller includes a vehicle body controller, an air conditioner controller, an ADAS system controller, an air conditioner controller, an instrument, a vehicle body stabilization system controller, an engine controller, a steering auxiliary system controller, a transmission controller, and a seat controller.
The controllers are connected with each other generally through a CAN bus or a LIN bus, an Ethernet or other forms of network buses, and data transmission is performed through network connection. The function of each controller is to perform work logic control on the empty energy of each electric appliance of the vehicle.
In the mode that the power supply state of the whole vehicle is IGON, the electric appliance of the vehicle fails, and the corresponding controller can generate a fault code and can record the fault code generated by the controller; all electric appliance controllers of the whole vehicle are connected with the central processing unit through the vehicle-mounted Ethernet bus, and fault codes can be transmitted to the central processing unit for summarizing.
The controller assemblies can record fault codes by themselves, and in the process of powering on the controllers and performing hardware self-inspection, the controllers and the corresponding interaction controllers perform network bus confirmation, and the controllers or sensors which perform network bus signal interaction perform bus signal confirmation. When the interactive controllers or sensors on the buses do not perform data transmission, the controllers can record missing fault codes of the other parties, and can detect functional faults, such as disconnection or short-circuit of a wire harness, and can record corresponding fault codes, all the fault codes are used for carrying out fault design on all the electrical appliance assemblies according to a host factory when the vehicle is designed, so that fault design specifications are formed. The component suppliers develop corresponding fault code recording functions into the controller assembly according to the fault design specifications. The diagnostic apparatus for 4S shop or automobile and gas distribution factory is connected with the diagnosis CAN bus of the vehicle through the OBD diagnosis port, and the development of the diagnostic apparatus is also carried out according to the ISO14229 and the diagnosis design specification of the host computer factory.
The remote control key is internally provided with a chip, and fault codes can be stored. The central processing unit transmits the fault code to the remote control key through the remote control key reading function, and stores the fault code in an internal chip of the remote control key.
The upper computer is connected with a key reader, and the key reader can read the fault code of the whole car in the remote control key. And then, the maintenance personnel analyzes the fault code and detects the fault code of the vehicle.
Note that the above is only a preferred embodiment of the present invention and the technical principle applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, while the invention has been described in connection with the above embodiments, the invention is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the invention, which is set forth in the following claims.
Claims (8)
1. The system for reading the fault code through the remote key based on the SOA architecture is characterized in that: the remote control key consists of a whole vehicle controller, a central processing unit, a remote control key, a key reader and an upper computer;
the vehicle control unit is connected with the central processing unit through the vehicle-mounted Ethernet bus, and can send the generated fault code to the central processing unit for summarizing when the electric appliance of the vehicle fails;
the remote control key can interact with the radio frequency emission assembly of the vehicle, and the central processing unit packages fault codes uploaded by the controller assemblies and sends the fault codes to the chip of the remote control key for storage through the radio frequency emission assembly;
the upper computer is connected with the key reader, and the remote key receiver can read the fault code stored in the remote key and transmit the fault code to the upper computer; maintenance personnel can carry out fault code analysis through upper computer software, detects vehicle fault code.
2. The system for reading fault codes by remote keys based on the SOA architecture according to claim 1, wherein: the vehicle controller comprises a vehicle body controller, an air conditioner controller, an ADAS system controller, an air conditioner controller, an instrument, a vehicle machine, a vehicle body stabilizing system controller, an engine controller, a steering auxiliary system controller, a gearbox controller and a seat controller.
3. The system for reading fault codes by remote keys based on the SOA architecture according to claim 2, wherein: the controllers are connected through a CAN bus or a LIN bus.
4. The system for reading fault codes by remote keys based on the SOA architecture according to claim 2, wherein: the controllers are connected through Ethernet or other forms of network buses, and data transmission is carried out through network connection.
5. The method for reading the fault code by the remote key based on the SOA architecture is characterized by comprising the following steps of:
A. setting the whole vehicle electric appliance architecture as an SOA architecture, wherein in the mode that the whole vehicle power supply state is IGON, the vehicle generates electric appliance faults, and the corresponding controller generates fault codes;
B. transmitting fault code data to a central processing unit by all electric appliance controllers of the whole vehicle through a vehicle-mounted Ethernet bus for summarizing;
C. a chip is added in the remote control key to store fault codes, and the central processing unit transmits the fault codes to the remote control key through a remote control key reading function and stores the fault codes in the remote control key internal chip;
D. the car owner takes the remote control key to a maintenance person, the maintenance person places the remote control key on a remote control key reader connected with an upper computer, the fault code of the whole car in the remote control key is read through upper computer software, and then the fault code analysis is carried out, so that the maintenance person can conveniently detect the fault code of the car.
6. The method for reading the fault code by the remote key based on the SOA architecture according to claim 5, wherein the method comprises the following steps: and step A, controlling the relay on each power line to be attracted through an ignition switch to enable each wire harness to be normally electrified in the whole vehicle power supply state IGON.
7. The method for reading the fault code by the remote key based on the SOA architecture according to claim 6, wherein the method comprises the following steps: each controller assembly after power-on can carry out self-checking, and faults existing in the self-checking process are found and stored in the memory of the controller.
8. The method for reading the fault code by the remote key based on the SOA architecture according to claim 7, wherein the method comprises the following steps: and C, the remote control key interacts with the radio frequency receiving and transmitting assembly of the vehicle through wireless signals, the low-frequency signals are mainly used, and the central processing unit packages fault codes uploaded by the controller assemblies and sends the fault codes to a chip of the remote control key through the radio frequency transmitting assembly for storage.
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| CN202311534818.7A CN117631641A (en) | 2023-11-17 | 2023-11-17 | Method and system for reading fault code through remote key based on SOA architecture |
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| CN202311534818.7A CN117631641A (en) | 2023-11-17 | 2023-11-17 | Method and system for reading fault code through remote key based on SOA architecture |
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