CN-121979171-A - Lightweight remote EOL detection system

CN121979171ACN 121979171 ACN121979171 ACN 121979171ACN-121979171-A

Abstract

The invention discloses a lightweight remote EOL detection system which comprises detection terminal equipment, a task detection subsystem, a flow tracking subsystem and a visual interaction module, wherein the task detection subsystem is used for setting and issuing detection tasks to the flow tracking subsystem, executable detection instructions are generated by the flow tracking subsystem and then transmitted to the detection terminal equipment, the detection terminal equipment is connected with a vehicle machine system of a vehicle to be detected and executes the detection tasks, the execution condition of the detection tasks executed by the detection terminal equipment is monitored in real time through the flow tracking subsystem, and the visual interaction module is used for checking the execution condition of the detection tasks and vehicle data information detected by the detection terminal equipment in real time. The invention constructs a closed loop of process development, task management, terminal execution and result feedback, seamlessly connects production systems such as MES and the like, and detects deep integration into production, covers multi-dimensional abnormal early warning of order progress, equipment, communication and the like, reduces batch quality problems from the source and reduces the outflow risk of unqualified products.

Inventors

GAO YUAN
LIU LIGUO
ZHAO PEISHI
WANG WEIHUA
WANG SHOULI
JIN QIAN

Assignees

启明信息技术股份有限公司

Dates

Publication Date: 20260505
Application Date: 20251225

Claims (7)

1. The lightweight remote EOL detection system is characterized by comprising detection terminal equipment, a task detection subsystem, a flow tracking subsystem and a visual interaction module; The task detection subsystem sets and distributes detection tasks to the flow tracking subsystem, the flow tracking subsystem generates executable detection instructions and transmits the executable detection instructions to the detection terminal equipment, the detection terminal equipment is connected with a vehicle machine system of a vehicle to be detected and executes the detection tasks, and the execution condition of the detection terminal equipment for executing the detection tasks is monitored in real time through the flow tracking subsystem; the visual interaction module is used for checking the execution condition of the detection task and detecting vehicle data information detected by the terminal equipment in real time; The task detection subsystem specifically comprises the following modules: the data receiving module is used for receiving vehicle order information pushed by the outside, wherein the vehicle order information specifically comprises a vehicle VIN code, a vehicle type, a production batch and a detection item list; The data processing and storing module is used for cleaning and decomposing the received vehicle order information and storing the vehicle order information; The task issuing and managing module is used for generating a detection task based on the vehicle order data setting after cleaning and decomposing, and issuing the generated detection task to the detection terminal equipment for execution; the version management module is used for detecting and managing the flow package and the vehicle software package; and the equipment management module is used for managing the detection terminal equipment and carrying out equipment security authentication.
2. The lightweight remote EOL detection system of claim 1, wherein the detection terminal device comprises an OBD socket (2), a device switch (3), an external interface, a status indicator light (4), a device body (1); The device comprises a device body (1), an OBD socket (2), an external interface, a device switch (3) and four status indication lamps (4), wherein the device body (1) is in an I-like shape as a whole, the OBD socket (2) is arranged at the top end of the device body (1), the external interface is arranged at the bottom end of the device body (1) and opposite to the OBD socket (2), the device switch (3) is arranged on the right side surface of the device body (1) and close to the external interface, and the status indication lamps (4) are arranged on the device body (1) in a one-line shape.
3. The lightweight remote EOL detection system of claim 2, wherein the external interface specifically comprises a reset key (5), a SIM card socket (6) and a Type-C interface (7), and the reset key (5), the SIM card socket (6) and the Type-C interface (7) are arranged in a straight shape.
4. The lightweight remote EOL detection system of claim 3, further comprising a waterproof glue cover (8), the waterproof glue cover (8) being disposed outside the external interface for preventing water from entering the external interface to cause damage to internal circuitry.
5. The lightweight remote EOL detection system of claim 1, wherein the data processing and storage module is configured to store the cleaned and decomposed data in a relational database.
6. The lightweight remote EOL detection system of claim 1, wherein the flow tracking subsystem comprises the following modules: the flow protocol maintenance module is used for maintaining detection tasks, vehicle communication protocols and detecting hardware states of the terminal equipment; The executable detection sequence generation module is used for generating a corresponding executable detection sequence based on the detection task issued by the task detection system; The execution anomaly monitoring module is used for monitoring the whole system execution flow in real time and carrying out alarm positioning on the anomaly condition; the data communication module is used for transmitting the generated detection sequence to the detection terminal equipment for execution; the vehicle communication protocol specifically comprises CAN, LIN, K-LINE and DOIP.
7. The light-weight remote EOL detection system according to claim 1, further comprising a result feedback optimization module, wherein the structure feedback optimization module is used for receiving and acquiring the vehicle data information executed by the detection terminal device, transmitting the vehicle data information to the visual interaction module for display, and optimizing the task flow according to the feedback of the user and the vehicle detection data.

Description

Lightweight remote EOL detection system Technical Field The invention relates to the technical field of vehicle production detection, in particular to a lightweight remote EOL detection system. Background The active test is a technical means for actively controlling an electric control system by means of an EOL diagnostic tool and the like and analyzing an operation result under specific working conditions to complete diagnosis, and is mainly applied to the information science category in the automation field. The technology covers the application directions of exhaust brake function detection, starting fault diagnosis, cylinder compression performance evaluation and the like, and specifically comprises the steps of controlling the action of an exhaust brake relay to realize in-situ fault detection, analyzing water temperature and rail pressure parameters when starting fails to judge fault reasons, and judging the fault of an oil injector through cylinder breaking operation record rotating speed difference. The testing process adopts a forward pushing method, a reverse pushing method and a mixing method, and forms a complementary strategy with the passive test to limit the randomness of the test. With the development of network technology, protocol testing becomes an important means for guaranteeing network stability. The active test is applied to a high-voltage common rail electric control system of the diesel engine, and intelligent fault analysis is realized through intervention of an external diagnostic tool. The EOL system of the whole automobile factory has the current situation that the detection function is gradually complicated, each detection station still depends on the manual operation supporting equipment to complete the detection task, and meanwhile, the EOL system of the whole automobile factory has the multiple problems of low automation level, low detection efficiency, high cost of terminal equipment, high version management difficulty, insufficient data value excavation, insufficient whole-flow digital degree and the like. Disclosure of Invention In order to solve the problems, the invention provides a lightweight remote EOL detection system, which comprises a detection terminal device, a task detection subsystem, a flow tracking subsystem and a visual interaction module; The task detection subsystem sets and distributes detection tasks to the flow tracking subsystem, the flow tracking subsystem generates executable detection instructions and transmits the executable detection instructions to the detection terminal equipment, the detection terminal equipment is connected with a vehicle machine system of a vehicle to be detected and executes the detection tasks, and the execution condition of the detection terminal equipment for executing the detection tasks is monitored in real time through the flow tracking subsystem; the visual interaction module is used for checking the execution condition of the detection task and detecting vehicle data information detected by the terminal equipment in real time; The task detection subsystem specifically comprises the following modules: the data receiving module is used for receiving vehicle order information pushed by the outside, wherein the vehicle order information specifically comprises a vehicle VIN code, a vehicle type, a production batch and a detection item list; The data processing and storing module is used for cleaning and decomposing the received vehicle order information and storing the vehicle order information; The task issuing and managing module is used for generating a detection task based on the vehicle order data setting after cleaning and decomposing, and issuing the generated detection task to the detection terminal equipment for execution; the version management module is used for detecting and managing the flow package and the vehicle software package; and the equipment management module is used for managing the detection terminal equipment and carrying out equipment security authentication. Further, the detection terminal equipment comprises an OBD socket, an equipment switch, an external interface, a status indicator lamp and an equipment body; The device comprises a device body, an OBD socket, an external interface, a device switch, four status indication lamp bodies, a device switch and a lamp body, wherein the device body is in an I-like shape as a whole, the OBD socket is arranged at the top end of the device body, the external interface is arranged at the bottom end of the device body and opposite to the OBD socket, the device switch is arranged on the right side surface of the device body and close to the external interface, and the status indication lamp bodies are arranged on the device body in a one-to-one arrangement. Further, the external interface specifically comprises a reset key, a SIM card socket and a Type-C interface, wherein the reset key, the SIM card socket and the Type-C interface are arranged in a strai