Design of Mechanical Self-Locking Button Test System Based on Virtual Instrument

摘要

To improve the test precision and inefficient of the mechanical self-locking button of automotive air conditioner control panel, high-precision automated test system was developed with virtual instrument technology. Design programs and hardware components of this system were introduced. A stable amplifying and filtering circuit was designed. Software of the test system was developed with Lab VIEW. The system realized the functions that high-speed data acquisition, serial communication between IPC and MCU, and database management. It has been running in the automotive air conditioner panel development and testing of a large automotive air conditioner manufacturer. The application shows that this system runs stably and accurately.