Automobile airbag ECU repair method, device and storage medium

Abstract

The present invention relates to a method, device and storage medium for repairing an automobile airbag ECU, which belongs to the field of automobile airbag repair, wherein the method comprises: after receiving a start instruction, establishing a communication connection with a target airbag ECU; after receiving a part number acquisition instruction, reading the stored data in the target airbag ECU; based on the stored data, analyzing and obtaining the target part number; based on the target part number, determining the manufacturer and chip type of the target airbag ECU; based on the manufacturer and chip type of the target airbag ECU, selecting a corresponding target execution menu from all preset execution menus; based on the target execution menu, reading version information and fault code information from the target airbag ECU; based on the fault code information, judging whether the target airbag ECU has a fault; when the judgment result is yes, reading the factory data corresponding to the version information, and repairing the target airbag ECU based on the factory data. The present application has the effect of improving the repair efficiency of the airbag ECU.

Description

Technical Field

[0001] The invention relates to the field of automobile airbag repair, and in particular to an automobile airbag ECU repair method, equipment and storage medium. Background Art

[0002] ECU (Electronic Control Unit) is an electronic control unit, also known as "driving computer", "on-board computer", etc. In terms of use, it is a microcomputer controller for automobiles, also called a single-chip microcomputer for automobiles. Like ordinary single-chip microcomputers, it consists of a microprocessor, memory, input / output interface, analog-to-digital converter, and large-scale integrated circuits such as shaping and driving.

[0003] At present, when a vehicle has an airbag failure, it is usually necessary to replace airbags and other parts. However, if the collision data is still stored in the airbag ECU after the replacement, the ECU will not work properly. Therefore, it is usually necessary to reset the airbag collision data and other information stored in the airbag ECU to the factory state by disassembling the airbag ECU or communicating with the airbag ECU through OBD.

[0004] The inventors have discovered that the above technology has at least the following problems: if the ECU is disassembled, the operation is complicated and prone to errors; if the OBD method of communicating with the airbag ECU is used, the staff is required to select the ECU manufacturer, storage chip type, vehicle information, vehicle model information, etc. through multiple steps to determine the type of airbag ECU. Since there are many types of airbag ECUs circulating on the market, there are many corresponding manufacturers, and there are even more storage chip models, the staff's knowledge reserves are very high. Regardless of which method is used, the efficiency of repairing the airbag ECU is very low. Summary of the invention

[0005] In order to improve the repair efficiency of the airbag ECU, the present application provides a method, device and storage medium for repairing the automobile airbag ECU.

[0006] In the first aspect, the present application provides a method for repairing an automobile airbag ECU, which adopts the following technical solution:

[0007] A method for repairing an automobile airbag ECU, the method comprising:

[0008] After receiving the start command, a communication connection is established with the target airbag ECU;

[0009] After receiving the part number acquisition instruction, reading the stored data in the target airbag ECU;

[0010] Analyze and obtain a target part number based on the stored data;

[0011] Based on the target part number, determining the manufacturer and chip type of the target airbag ECU;

[0012] Based on the manufacturer and chip type of the target airbag ECU, a corresponding target execution menu is selected from all preset execution menus;

[0013] Based on the target execution menu, reading version information and fault code information from the target airbag ECU;

[0014] Based on the fault code information, determining whether the target airbag ECU has a fault;

[0015] When the judgment result is yes, the factory data corresponding to the version information is read, and the target airbag ECU is repaired based on the factory data.

[0016] By adopting the above technical solution, in the process of repairing the target airbag ECU through the maintenance equipment, the maintenance equipment can obtain the storage data of the target airbag ECU and analyze the storage data to obtain the target part number. After obtaining the target part number, the maintenance equipment determines the manufacturer and chip type of the target airbag ECU based on the target part number. After that, the maintenance equipment selects the corresponding target execution menu from several preset execution menus based on the manufacturer and chip type of the target airbag ECU, and obtains the version information and fault code information of the target airbag ECU through the target execution menu. The maintenance equipment reads the fault code information and determines whether the target airbag ECU has a fault. If the target airbag ECU has a fault, the maintenance equipment reads the factory data corresponding to the version information and repairs the target airbag ECU. In the above process of repairing the target airbag ECU, most of the operations are automatically completed by the maintenance equipment, without the need for excessive participation of staff, saving maintenance time, and helping to improve the repair efficiency of the target airbag ECU.

[0017] Optionally, after receiving the start command, establishing a communication connection with the target airbag ECU specifically includes: after receiving the start command, sequentially using various preset communication protocols to attempt to connect to the target airbag ECU until a communication connection with the target airbag ECU is successfully established.

[0018] Optionally, the analyzing and obtaining a target part number based on the stored data specifically includes:

[0019] Analyze and obtain a primary part number based on the stored data;

[0020] Based on the primary part number, searching for an alternative part number matching the primary part number;

[0021] Displaying all the candidate part numbers through a preset display device for selection;

[0022] Based on the received part number selection instruction, a target part number is selected from all the candidate part numbers.

[0023] Optionally, after receiving the part number acquisition instruction and reading the stored data in the target airbag ECU, the method further includes:

[0024] If the stored data is not read, the method returns to the step of sequentially using various preset communication protocols to attempt to connect to the target airbag ECU until a communication connection is successfully established with the target airbag ECU.

[0025] Optionally, when the judgment result is yes, reading the factory data corresponding to the version information, and repairing the target airbag ECU based on the factory data specifically includes:

[0026] When the judgment result is yes, verifying whether the target part number is accurate based on the version information;

[0027] If the verification result is yes, then reading the factory data corresponding to the version information;

[0028] The target airbag ECU is repaired based on the factory data.

[0029] Optionally, when the judgment result is yes, after verifying whether the target part number is accurate based on the version information, the method further includes:

[0030] If the verification result is negative, the current target part number is removed from the candidate part numbers, and the process returns to the step of displaying all the candidate part numbers for selection through a preset display device.

[0031] Optionally, if the verification result is yes, after reading the factory data corresponding to the version information, the method further includes:

[0032] The version information and the fault code information are sent to a preset display device for display.

[0033] By adopting the above technical solution, the maintenance equipment can send version information and fault code information to a preset display device. After receiving the version information and fault code information, the display device displays the content of the version information and fault code information for easy viewing by staff.

[0034] In the second aspect, the present application provides a maintenance device, which adopts the following technical solution:

[0035] A maintenance device, comprising:

[0036] A communication module, used to establish a communication connection with a target airbag ECU after receiving a start command;

[0037] A data reading module, used for reading the stored data in the target airbag ECU after receiving the part number acquisition instruction; a target part number analysis module, used for analyzing and obtaining the target part number based on the stored data;

[0038] An ECU type confirmation module, used to determine the manufacturer and chip type of the target airbag ECU based on the target part number;

[0039] An execution menu selection module, used for selecting a corresponding target execution menu from all preset execution menus based on the manufacturer and chip type of the target airbag ECU;

[0040] An ECU information acquisition module, used to read version information and fault code information from the target airbag ECU based on the target execution menu;

[0041] A fault diagnosis module, used for determining whether the target airbag ECU has a fault based on the fault code information;

[0042] The fault repair module is used to read the factory data corresponding to the version information when the judgment result is yes, and repair the target airbag ECU based on the factory data.

[0043] In a third aspect, the present application provides a smart terminal, which adopts the following technical solution:

[0044] An intelligent terminal comprises a memory and a processor, wherein the memory stores a computer program that can be loaded by the processor and execute the method as described in the first aspect.

[0045] In a fourth aspect, the present application provides a computer-readable storage medium, which adopts the following technical solution:

[0046] A computer-readable storage medium includes a computer program that can be loaded by a processor and execute the method as described in the first aspect.

[0047] In summary, the present application includes at least one of the following beneficial technical effects:

[0048] 1. In the process of repairing the target airbag ECU through the maintenance equipment, the maintenance equipment can obtain the storage data of the target airbag ECU and analyze the storage data to obtain the target part number. After obtaining the target part number, the maintenance equipment determines the manufacturer and chip type of the target airbag ECU based on the target part number. After that, the maintenance equipment selects the corresponding target execution menu from all preset execution menus based on the manufacturer and chip type of the target airbag ECU, and obtains the version information and fault code information of the target airbag ECU through the target execution menu. The maintenance equipment reads the fault code information and determines whether the target airbag ECU has a fault. If the target airbag ECU has a fault, the maintenance equipment reads the factory data corresponding to the version information and repairs the target airbag ECU. In the above process of repairing the target airbag ECU, most of the operations are automatically completed by the maintenance equipment, without the need for excessive participation of staff, saving maintenance time, and helping to improve the repair efficiency of the target airbag ECU.

[0049] 2. The maintenance equipment can send the version information and fault code information to a preset display device. After receiving the version information and fault code information, the display device displays the content of the version information and fault code information for easy viewing by the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0050] Figure 1 It is a flow chart for reflecting a method for repairing an automobile airbag ECU in an embodiment of the present application;

[0051] Figure 2 It is a flowchart for reflecting the process of analyzing and obtaining the target part number in the embodiment of the present application;

[0052] Figure 3 is a flowchart for reflecting the process of repairing the target airbag ECU in an embodiment of the present application;

[0053] Figure 4 It is a structural block diagram used to reflect the maintenance equipment in the embodiment of the present application.

[0054] Explanation of the accompanying drawings: 11. Communication module; 12. Data reading module; 13. Target part number analysis module; 14. ECU type confirmation module; 15. Execution menu selection module; 16. ECU information acquisition module; 17. Fault diagnosis module; 18. Fault repair module. DETAILED DESCRIPTION

[0055] The following is combined with Figure 1-4 This application is described in further detail.

[0056] The embodiment of the present application discloses a method for repairing an automobile airbag ECU. The method may be based on a maintenance device and is mainly used to repair an airbag ECU that may have a fault or needs to be repaired.

[0057] The following will be combined with specific implementation methods. Figure 1 The processing flow shown is described in detail, and the content may be as follows: S10: after receiving the start command, establish a communication connection with the target airbag ECU.

[0058] The target airbag ECU refers to the airbag ECU that needs to be repaired or repaired.

[0059] In practice, the maintenance device may be configured with an operation panel. When the target airbag ECU needs to be repaired, the staff may manually connect the maintenance device to the target airbag ECU and send a start command to the maintenance device through the operation panel, so that the maintenance device establishes a communication connection with the target airbag ECU, that is, accesses the system of the target airbag ECU.

[0060] S20: After receiving the part number acquisition instruction, read the stored data in the target airbag ECU.

[0061] During implementation, the staff can send a part number acquisition instruction to the maintenance equipment through the operation panel, so that the maintenance equipment reads the stored data in the target airbag ECU.

[0062] S30: Analyze and obtain a target part number based on the stored data.

[0063] In implementation, since the data in different types of airbag ECUs have their own data characteristics, the maintenance equipment can identify the type of the target airbag ECU, that is, identify the target part number corresponding to the target airbag ECU, by analyzing the stored data.

[0064] S40: Determine the manufacturer and chip type of the target airbag ECU based on the target part number.

[0065] In practice, the maintenance equipment records the manufacturers and chip types corresponding to the commonly used part numbers; the maintenance equipment can identify the manufacturer and chip type corresponding to the target airbag ECU based on the target part number and the above correspondence.

[0066] S50: Based on the manufacturer and chip type of the target airbag ECU, a corresponding target execution menu is selected from all preset execution menus.

[0067] In practice, the maintenance device may pre-store several execution menus, each of which corresponds to a certain manufacturer and chip type. The maintenance device selects a target execution menu corresponding to the target airbag ECU from all execution menus based on the manufacturer and chip type of the target airbag ECU.

[0068] S60: Based on the target execution menu, version information and fault code information are read from the target airbag ECU.

[0069] During implementation, the maintenance equipment communicates with the target airbag ECU based on the target execution menu, and finally reads the corresponding version information and fault code information from the target airbag ECU.

[0070] The version information may include part number information, and the fault code information may include a fault code and a corresponding fault description.

[0071] S70: Based on the fault code information, determine whether the target airbag ECU has a fault.

[0072] During implementation, the inspection equipment determines whether the target airbag ECU has a fault based on the fault code information.

[0073] S80: When the judgment result is yes, read the factory data corresponding to the above version information, and repair the target airbag ECU based on the factory data.

[0074] During implementation, several factory data corresponding to different version information are pre-stored in the maintenance equipment. When it is determined that the target airbag ECU is faulty, the maintenance equipment reads the factory data corresponding to the version information of the target airbag ECU, and writes the factory data into the target airbag ECU to reset the current information stored in the target airbag ECU to the factory data, thereby completing the repair of the target airbag ECU.

[0075] Optionally, in another embodiment, the above S10 may specifically include the following contents:

[0076] After receiving the start command, various preset communication protocols are used in sequence to try to connect to the target airbag ECU until a communication connection is successfully established with the target airbag ECU.

[0077] In implementation, several communication protocols are preset in the maintenance equipment. After receiving the start command, the maintenance equipment can use different communication protocols in sequence to try to communicate with the target airbag ECU based on a preset attempt order until a communication connection is successfully established with the target airbag ECU.

[0078] Optionally, in another embodiment, referring to Figure 2 , the above S30 may specifically include the following contents:

[0079] S301: Analyze and obtain a primary part number based on the stored data.

[0080] During implementation, the maintenance equipment obtains data features of the stored data by analyzing the stored data, wherein the data features include accurate features and fuzzy features. The maintenance equipment identifies the primary part number corresponding to the target airbag ECU based on the accurate features and the fuzzy features.

[0081] S302: Based on the primary part number, search for candidate part numbers that match the primary part number.

[0082] In implementation, a part number library is preset in the maintenance equipment, which includes several part numbers. Based on the obtained primary part number, the maintenance equipment queries the part number library for several alternative part numbers that match it, wherein the matching condition may be that the alternative part number has the same exact features as the primary part number.

[0083] S303: Display all candidate part numbers through a preset display device for selection.

[0084] In practice, the maintenance equipment is externally connected to a display device, and the maintenance equipment sends several queried candidate part numbers to the display device, so that the display device displays them for viewing by staff.

[0085] S304: Based on the received part number selection instruction, a target part number is selected from all candidate part numbers.

[0086] During implementation, the staff can send a part number selection instruction for the target part number to the maintenance equipment through the operation panel, and the maintenance equipment selects the target part number from all the candidate part numbers based on the received part number selection instruction.

[0087] Optionally, in another embodiment, after the above S20, the above method may further include the following contents:

[0088] If the stored data is not read, the process returns to the above step of sequentially using various preset communication protocols to try to connect to the target airbag ECU until a communication connection is successfully established with the target airbag ECU.

[0089] In practice, the maintenance equipment is preset with a waiting time for reading stored data. If the maintenance equipment still fails to read the stored data of the target airbag ECU within the preset waiting time, it means that the current communication protocol used by the maintenance equipment is inaccurate. At this time, the maintenance equipment can return to the above-mentioned steps of sequentially using various preset communication protocols to try to connect to the target airbag ECU until a communication connection is successfully established with the target airbag ECU. In order to save time, the maintenance equipment can exclude the current communication protocol before trying again.

[0090] Optionally, in another embodiment, referring to Figure 3 , the above S108 may specifically include the following contents:

[0091] S801: When the judgment result is yes, verify whether the target part number is accurate based on the version information.

[0092] In implementation, when it is determined that the target airbag ECU is faulty, the inspection equipment may compare the part number in the version information with the target part number to verify whether the target part number is accurate.

[0093] S802: If the verification result is yes, then read the factory data corresponding to the version information.

[0094] S803: Repair the target airbag ECU based on factory data.

[0095] During implementation, the inspection equipment writes the factory data into the target airbag ECU and overwrites the existing stored data in the target airbag ECU to complete the repair of the target airbag ECU.

[0096] Optionally, in another embodiment, after the above S801, the above method may further include the following contents:

[0097] If the verification result is negative, the current target part number is removed from the candidate part numbers, and the process returns to the above S303.

[0098] Optionally, in another embodiment, after the above S802, the above method may further include the following contents:

[0099] The version information and fault code information are sent to a preset display device for display.

[0100] In implementation, the maintenance device may send the version information and the fault code information to the display device, and the display device displays the version information and the fault code information after receiving them.

[0101] The version information may include the following contents as shown in Table 1:

[0102] Version Information value Part Number XXXX VIN XXXX …… ……

[0103] Table 1

[0104] Among them, VIN refers to the vehicle identification number.

[0105] The fault code information may include the following contents as shown in Table 2:

[0106] Fault Codes Fault description B1193 XXXX B1246 XXXX …… ……

[0107] Table 2

[0108] The implementation principle of the embodiment of the present application is as follows: in the process of repairing the target airbag ECU by the maintenance equipment, the maintenance equipment can obtain the storage data of the target airbag ECU and analyze the storage data to obtain the target part number. After obtaining the target part number, the maintenance equipment determines the manufacturer and chip type of the target airbag ECU based on the target part number. After that, the maintenance equipment selects the corresponding target execution menu from several preset execution menus based on the manufacturer and chip type of the target airbag ECU, and obtains the version information and fault code information of the target airbag ECU through the target execution menu. The maintenance equipment reads the fault code information and determines whether the target airbag ECU has a fault. If the target airbag ECU has a fault, the maintenance equipment reads the factory data corresponding to the version information and repairs the target airbag ECU. In the above process of repairing the target airbag ECU, most of the operations are automatically completed by the maintenance equipment, without excessive participation of the staff, saving maintenance time, and helping to improve the repair efficiency of the target airbag ECU.

[0109] Based on the above method, the present application also discloses a maintenance device, referring to Figure 4 , maintenance equipment includes:

[0110] The communication module 11 is used to establish a communication connection with the target airbag ECU after receiving the start command.

[0111] The data reading module 12 is used to read the stored data in the target airbag ECU after receiving the part number acquisition instruction.

[0112] The target part number analysis module 13 is used to analyze and obtain the target part number based on the stored data.

[0113] The ECU type confirmation module 14 is used to determine the manufacturer and chip type of the target airbag ECU based on the target part number.

[0114] The execution menu selection module 15 is used to select a corresponding target execution menu from all preset execution menus based on the manufacturer and chip type of the target airbag ECU.

[0115] The ECU information acquisition module 16 is used to read the version information and fault code information from the target airbag ECU based on the target execution menu.

[0116] The fault diagnosis module 17 is used to determine whether the target airbag ECU has a fault based on the fault code information.

[0117] The fault repair module 18 is used to read the factory data corresponding to the version information when the judgment result is yes, and repair the target airbag ECU based on the factory data.

[0118] Optionally, the communication module may be specifically configured to, after receiving a start instruction, sequentially use various preset communication protocols to attempt to connect to the target airbag ECU until a communication connection is successfully established with the target airbag ECU.

[0119] Optional, target part number analysis module includes:

[0120] The primary part number analysis submodule is used to analyze and obtain the primary part number based on the stored data.

[0121] The alternative part number query submodule is used to query the alternative part numbers that match the primary part number based on the primary part number.

[0122] The maintenance equipment also includes an alternative part number transmission module, which is used to display all alternative part numbers through a preset display device for selection.

[0123] The target part number analysis module also includes a target part number selection submodule, which is used to select a target part number from all candidate part numbers based on the received part number selection instruction.

[0124] Optionally, the communication module is also used to try to connect to the target airbag ECU using various preset communication protocols in sequence when the stored data is not read, until a communication connection is successfully established with the target airbag ECU.

[0125] Optionally, the maintenance equipment also includes an information verification module, which is used to verify whether the target part number is accurate based on the version information when the judgment result is yes.

[0126] The data reading module is also used to read the factory data corresponding to the version information when the verification result is yes.

[0127] The fault repair module is specifically used to repair the target airbag ECU based on factory data.

[0128] Optionally, the target part number analysis module is further configured to remove the current target part number from the candidate part numbers when the verification result is negative.

[0129] The communication module is also used to display all candidate part numbers through a preset display device for selection.

[0130] Optionally, the maintenance equipment also includes a data transmission module for sending version information and fault code information to a preset display device for display.

[0131] The embodiment of the present application also discloses an intelligent terminal, which includes a memory and a processor. The memory stores a computer program that can be loaded by the processor and executes the above-mentioned automobile airbag ECU repair method.

[0132] An embodiment of the present application also discloses a computer-readable storage medium, which stores a computer program that can be loaded by a processor and execute the above-mentioned automobile airbag ECU repair method. The computer-readable storage medium includes, for example: a USB flash drive, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and other media that can store program codes.

[0133] The above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit the protection scope of the application. Obviously, the described embodiments are only some embodiments of the present application, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present application.

Claims

1. A method for repairing an automobile airbag ECU, characterized in that: The method comprises: After receiving the start command, a communication connection is established with the target airbag ECU; After receiving the part number acquisition instruction, reading the stored data in the target airbag ECU; Analyze and obtain a target part number based on the stored data; Based on the target part number, determining the manufacturer and chip type of the target airbag ECU; Based on the manufacturer and chip type of the target airbag ECU, a corresponding target execution menu is selected from all preset execution menus; Based on the target execution menu, reading version information and fault code information from the target airbag ECU; Based on the fault code information, determining whether the target airbag ECU has a fault; When the judgment result is yes, reading the factory data corresponding to the version information, and repairing the target airbag ECU based on the factory data; The analyzing and obtaining the target part number based on the stored data specifically includes: Analyze and obtain a primary part number based on the stored data; Based on the primary part number, searching for an alternative part number matching the primary part number; Displaying all the candidate part numbers through a preset display device for selection; Based on the received part number selection instruction, selecting a target part number from all the candidate part numbers; When the judgment result is yes, reading the factory data corresponding to the version information, and repairing the target airbag ECU based on the factory data, specifically includes: When the judgment result is yes, verifying whether the target part number is accurate based on the version information; If the verification result is yes, then reading the factory data corresponding to the version information; The target airbag ECU is repaired based on the factory data.

2. A method for repairing an automobile airbag ECU according to claim 1, characterized in that: After receiving the start command, establishing a communication connection with the target airbag ECU specifically includes: After receiving the start instruction, various preset communication protocols are used in sequence to try to connect to the target airbag ECU until a communication connection is successfully established with the target airbag ECU.

3. A method for repairing an automobile airbag ECU according to claim 2, characterized in that: After receiving the part number acquisition instruction and reading the stored data in the target airbag ECU, the method further includes: If the stored data is not read, the method returns to the step of sequentially using various preset communication protocols to attempt to connect to the target airbag ECU until a communication connection is successfully established with the target airbag ECU.

4. The automobile airbag ECU repair method according to claim 1, characterized in that: When the judgment result is yes, after verifying whether the target part number is accurate based on the version information, the method further includes: If the verification result is negative, the current target part number is removed from the candidate part numbers, and the process returns to the step of displaying all the candidate part numbers for selection through a preset display device.

5. The automobile airbag ECU repair method according to claim 1, characterized in that: If the verification result is yes, after reading the factory data corresponding to the version information, the method further includes: The version information and the fault code information are sent to a preset display device for display.

6. A maintenance equipment, characterized in that: The inspection and repair equipment is based on the automobile airbag ECU repair method described in claim 1, comprising: A communication module (11) is used to establish a communication connection with a target airbag ECU after receiving a start command; A data reading module (12) is used to read the stored data in the target airbag ECU after receiving a part number acquisition instruction; a target part number analysis module (13) is used to analyze the stored data to obtain a primary part number, and then query the candidate part number matching the primary part number based on the primary part number, and then display all the candidate part numbers for selection through a preset display device, and select the target part number from all the candidate part numbers based on the received part number selection instruction; an ECU type confirmation module (14) is used to determine the manufacturer and chip type of the target airbag ECU based on the target part number; An execution menu selection module (15) is used to select a corresponding target execution menu from all preset execution menus based on the manufacturer and chip type of the target airbag ECU; An ECU information acquisition module (16) is used to read version information and fault code information from the target airbag ECU based on the target execution menu; A fault diagnosis module (17) is used to determine whether the target airbag ECU has a fault based on the fault code information; A fault repair module (18) is used for, when the judgment result is yes, verifying whether the target part number is accurate based on the version information; if the verification result is yes, reading the factory data corresponding to the version information, and repairing the target airbag ECU based on the factory data.

7. An intelligent terminal, characterized in that: The method comprises a memory and a processor, wherein the memory stores a computer program that can be loaded by the processor and executes any one of the methods of claims 1 to 5.

8. A computer-readable storage medium, characterized in that: A computer program is stored which can be loaded by a processor and execute the method according to any one of claims 1 to 5.

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