CN-121994504-A - Comprehensive detection system for vehicle

CN121994504ACN 121994504 ACN121994504 ACN 121994504ACN-121994504-A

Abstract

The invention relates to the technical field of automobiles, in particular to a comprehensive detection system for a vehicle, which comprises a rotary drum system, an environment simulation system, a data acquisition system, a control system and a data processing system, wherein the rotary drum system is used for bearing and simulating different running conditions of the vehicle to be detected, the environment simulation system is used for simulating various external environment conditions for the vehicle to be detected, the data acquisition system comprises a data acquisition unit used for acquiring running parameters and state data of each electronic control unit of the vehicle and a monitoring unit used for monitoring the execution state of functions of the vehicle, the control system is used for generating detection tasks according to configuration information of the vehicle and cooperatively controlling each system to execute, and the data processing system is used for generating a detection result report according to stored configuration information and preset standards and data provided by the data acquisition system. According to the invention, through integrating environment simulation, working condition simulation and automatic data acquisition, the high-efficiency, comprehensive and automatic comprehensive detection of the whole vehicle in various composite scenes is realized, and the detection efficiency and fault diagnosis accuracy are remarkably improved.

Inventors

Lv Zhouqing
WEI MIN
WANG XIAOMENG
QIAO MEIYUN
ZHANG LEI

Assignees

上汽通用五菱汽车股份有限公司

Dates

Publication Date: 20260508
Application Date: 20251230

Claims (10)

1. A vehicle integrated-detection system, comprising; the rotary drum system is used for bearing a vehicle to be detected and simulating the running working conditions of the vehicle to be detected under different speeds; the environment simulation system is matched with the rotary drum system and is used for simulating various external environment conditions for the vehicle to be detected; The data acquisition system comprises a data acquisition unit for acquiring operation parameters and state data of each electronic control unit in the vehicle to be detected and a monitoring unit for monitoring the vehicle function execution state of the vehicle to be detected; The control system is respectively in communication connection with the rotary drum system, the environment simulation system and the data acquisition system and is used for generating detection tasks according to vehicle configuration information and cooperatively controlling the execution of the rotary drum system, the environment simulation system and the data acquisition system; The data processing system is in communication connection with the control system and is used for generating a detection result report according to stored vehicle configuration information and preset detection standard data and combining the running parameters and state data of each electronic control unit and the vehicle function execution state provided by the data acquisition system.
2. The system of claim 1, wherein the environmental simulation system comprises at least one of a temperature regulation module, a humidity regulation module, an air pressure regulation module, and/or a simulated precipitation module for simulating a high temperature environment, a low temperature environment, a plateau low air pressure environment, a rainy environment, or a foggy environment, alone or in combination.
3. The system of claim 1, further comprising a local detection device; The local detection equipment is in communication connection with the data acquisition unit and the monitoring unit, and is configured to receive an offline detection instruction from the control system when wireless communication between the control system and the data acquisition system is abnormal, control the data acquisition unit and the monitoring unit to execute corresponding data acquisition and state monitoring according to the offline detection instruction, temporarily store operation parameters and state data of each electronic control unit and vehicle function execution states acquired based on the execution of the corresponding data acquisition and state monitoring, and forward the temporarily stored data to the data processing system after communication recovery.
4. The system of claim 1, wherein the control system is configured to: Dynamically generating a detection task list comprising target detection items, detection orders and detection parameters according to the vehicle configuration information acquired from the data processing system; and disassembling the detection task list into a control instruction, and respectively issuing the control instruction to the rotary drum system, the environment simulation system and the data acquisition system.
5. The system of claim 1, wherein the data processing system is further communicatively coupled to a complete vehicle manufacturing execution system and an after-market quality management system; The data processing system is configured to: Acquiring the vehicle configuration information from the whole vehicle manufacturing execution system in real time, wherein the vehicle configuration information is used for supporting the control system to generate a detection task list; And acquiring historical high-frequency quality problem data from the after-sales quality management system, and optimizing the range, the threshold or the detection frequency of the target detection item based on the historical high-frequency quality problem data.
6. The system of claim 1, wherein the data acquisition system performs functional detection using a dual verification mechanism comprising: The data acquisition unit sends a function control instruction to a target electronic control unit through a vehicle controller local area network bus and receives a state response signal returned by the target electronic control unit; Simultaneously, the monitoring unit monitors the actual physical execution state of the corresponding function of the vehicle to be detected through a sensor or an image acquisition device; And comparing the state response signal with the actual physical execution state, wherein the target electronic control unit functions normally when the state response signal is consistent with the actual physical execution state, and the target electronic control unit functions abnormally when the state response signal is inconsistent with the actual physical execution state.
7. The system of claim 5, wherein the data processing system further comprises a failure analysis module configured to: acquiring abnormal data reported by the data acquisition system; matching the abnormal data with a preset fault mode library to identify fault types and/or locate fault components; and generating maintenance guide information containing fault description and processing advice, and pushing the maintenance guide information to a target terminal.
8. The system of claim 7, further comprising a production control module coupled to the data processing system, the production control module configured to: Receiving a severe fault identification sent by the fault analysis module; And sending a locking instruction to the whole vehicle manufacturing execution system for the vehicle to be detected, which is marked as the serious fault, so as to prevent the vehicle to be detected from flowing into the next working procedure.
9. The system of claim 1, wherein the control system and/or data processing system comprises a software module that is upgradeable for adjusting or adding test items, modifying test algorithms, or updating preset test criteria data according to updated automotive industry standards or specifications.
10. A vehicle integrated detection method applied to a vehicle integrated detection system, the method comprising: generating a corresponding detection task according to vehicle configuration information of the vehicle to be detected; based on the detection task, controlling a rotary drum system to simulate the running working conditions of the vehicle to be detected at different speeds, and controlling an environment simulation system to simulate various external environment conditions for the vehicle to be detected; Collecting operation parameters and state data of each electronic control unit in the vehicle to be detected through a data collecting system, and monitoring the vehicle function execution state of the vehicle to be detected; And generating a detection result report of the vehicle to be detected according to the vehicle configuration information, preset detection standard data, collected operation parameters and state data of each electronic control unit and the monitored vehicle function execution state.

Description

Comprehensive detection system for vehicle Technical Field The invention relates to the technical field of automobiles, in particular to a comprehensive detection system for a vehicle. Background With the rapid development of the automobile industry and the continuous improvement of the intelligent level, the structure and the function of the automobile are increasingly complex, and the quality detection of the whole automobile before delivery is more required. The traditional automobile offline detection is usually carried out manually, for example, workers check functions such as a car lamp, a windscreen wiper, a car window and the like one by one, and fault codes are read through simple diagnosis equipment. The method has the defects of low efficiency, high labor intensity, detection results influenced by subjective factors, easiness in omission and the like. Some automatic detection devices exist in the prior art, but the functions are usually single. For example, some devices are dedicated to light detection and some are only used for dynamic testing on drums or for high and low temperature tolerance testing in environmental bins. The scattered detection means can not carry out linkage test and evaluation on the comprehensive performance of the vehicle under different use environments (such as high temperature, plateau and rainy days) and different driving conditions (such as static, high speed and climbing) under a unified scene. In addition, the existing detection scheme lacks of deep analysis and utilization of massive detection data, detection standards are slow to update, detection demand changes caused by new vehicle types and new functions are difficult to respond quickly, and quality feedback of after-market cannot be effectively applied to improvement of pertinence and effectiveness of front-end detection. Therefore, a highly integrated, automated and intelligent vehicle comprehensive detection system is urgently needed in the industry to improve detection efficiency, coverage and accuracy, and meanwhile, the system has continuous optimization capability of data driving. Disclosure of Invention The invention provides a comprehensive vehicle detection system which is used for solving the problems of low detection efficiency, single function and lack of multi-scene adaptability in the prior art. The embodiment of the present specification provides a vehicle comprehensive detection system, including: the rotary drum system is used for bearing a vehicle to be detected and simulating the running working conditions of the vehicle to be detected under different speeds; the environment simulation system is matched with the rotary drum system and is used for simulating various external environment conditions for the vehicle to be detected; The data acquisition system comprises a data acquisition unit for acquiring operation parameters and state data of each electronic control unit in the vehicle to be detected and a monitoring unit for monitoring the vehicle function execution state of the vehicle to be detected; The control system is respectively in communication connection with the rotary drum system, the environment simulation system and the data acquisition system and is used for generating detection tasks according to vehicle configuration information and cooperatively controlling the execution of the rotary drum system, the environment simulation system and the data acquisition system; The data processing system is in communication connection with the control system and is used for generating a detection result report according to stored vehicle configuration information and preset detection standard data and combining the running parameters and state data of each electronic control unit and the vehicle function execution state provided by the data acquisition system. Optionally, the environment simulation system comprises at least one of a temperature regulation module, a humidity regulation module, an air pressure regulation module and/or a simulated precipitation module, and is used for independently or jointly simulating a high-temperature environment, a low-temperature environment, a plateau low-air pressure environment, a rainy day environment or a foggy day environment. Optionally, the system further comprises a local detection device; The local detection equipment is in communication connection with the data acquisition unit and the monitoring unit, and is configured to receive an offline detection instruction from the control system when wireless communication between the control system and the data acquisition system is abnormal, control the data acquisition unit and the monitoring unit to execute corresponding data acquisition and state monitoring according to the offline detection instruction, temporarily store operation parameters and state data of each electronic control unit and vehicle function execution states acquired based on the execution of the corresponding data acquisition