Visual constant-volume combustion device for observing jet ignition under influence of wall surface

The invention discloses a visual constant-volume combustion device for observing jet ignition under the influence of a wall surface. Comprising a machine body, quartz glass, a glass end cover, a first sparking plug, a supporting column, an active pre-combustion chamber, a second sparking plug, an air inlet/exhaust pipeline, a first direct injection oil injector, a heating plate, a heating plate pressing plate, an internal temperature sensor, a wall surface temperature sensor, a passive pre-combustion chamber and a jet flow flame wall collision mechanism. The visual window is large in area and good in sealing performance, a passive pre-combustion chamber with a visual interior, an active pre-combustion chamber with fuel supply and a jet flow flame impingement mechanism can be assembled according to needs so as to simulate various jet flow ignition and combustion modes existing in an actual engine, parameterization research of a single factor can be conveniently carried out, and the test efficiency is improved.