TEST DEVICE FOR DETECTING POLLUTANT EMISSION FROM VEHICLE

摘要

A test device for detecting pollutant emission from vehicle comprises a test chamber (1), a first air inlet pipe (5), a first blower (2), a heat exchanger (3), a pressure adjuster (4), and an air outlet pipe (6). The test chamber (1) is provided with an air intake (7) and an air vent (8). The first air inlet pipe (5), provided with a first air inlet valve (9), is connected to the air intake (7). The first blower (2) is connected to the first air inlet pipe (5). The heat exchanger (3) is located in the test chamber (1) which is connected to the pressure adjuster (4). The air outlet pipe (6), provided with an air outlet valve (10), is connected to the air vent (8).