The Design and Implementation of Vehicle Tail Gas Detection System Based on Virtual Instrument

The design of the multifunctional portable vehicle tail gas detection system adopts virtual instrument technology based on computer. It utilizes portable computer and USB data collecting card to control the detection. So it can detect and record the vehicle tail gas in wide range accurately, and can count and analyze the component and content of the harmful gas. This system has such advantages as stable performance, wide detection range, high accuracy, big amount of storage, portability, and it achieves detection digitization, increasing the efficiency and quality of the detection, which can play important role in environment protection and dealing atmosphere pollution.