Spray ignition mechanism simulation test device and test method

The invention provides a spray ignition mechanism simulation test device and method, and the device comprises an ignition unit which comprises a combustion chamber and an ignition source which is movably disposed in the combustion chamber; the liquid supply unit comprises a liquid storage tank and a spraying assembly, the liquid storage tank is used for storing fuel, and the spraying assembly is arranged at an inlet of the combustion chamber and used for spraying oil mist to the ignition source; the heating unit comprises a first heater and a second heater, the first heater heats the fuel based on a first preset temperature, and the second heater heats the ignition source based on a second preset temperature; the pressure unit is connected with the liquid storage tank and the spraying assembly and conveys the fuel in the liquid storage tank to the spraying assembly based on preset pressure; the moving unit is connected with the ignition source and drives the ignition source to move to the preset position base