The utility model relates to a passenger train is type vacuum toilet waste collection device spare part test bench all belongs to zero component part testing's of vacuum toilet waste collection devicetechnical field, including the vacuum chamber, sprayer, transfer water tank etc. The vacuum chamber is equipped with the evacuation mouth, and the evacuation mouth is equipped with vacuum sensor, loops through vacuum switch, prevents anti - injection valve, vacuum meter, swing door check valve be connected with the sprayer, is equipped with the sprayer solenoid valve on the sprayer, filter relief-pressure valve is connected with the electron pressure reducer through pressure sensor, and the electron pressure reducer is connected with the compressor through the gas holder, and pressure sensoris connected with air supply electromagnetic valve through gas flowmeter, air supply electromagnetic valve and quick auto -lock articulate, the vacuum chamber is equipped with quick relief valve, adjustable throttle valve group and detects a mouthful solenoid valve. The utility model discloses simple structure is compact, and detect operation is convenient, and it is high to detect the precision,and accommodation is wide, improves detection efficiency, safe and reliable.