Short type thermocouple stable state calibrating device of liquid rocket engine

The utility model relates to a short type thermocouple stable state calibrating device of liquid rocket engine, including pipeline unit and test unit, pipeline unit includes the test section, the testsection includes inner tube, urceolus and sets up the insulation material between inner tube and urceolus, the test unit includes that host computer, temperature control system, collection equipment,setting are at total temperature sensor of stable section and total pressure sensor, the reference temperature sensor that sets up at the test section, temperature control system includes at least two sets of wall temperature sensor unit, temperature -controlled instrument and at least a set of heating member, the heating member sets up on the outer wall of inner tube, collection equipment and with wall temperature sensor temperature information feedback to temperature -controlled instrument, the temperature of different heating member power control test section inner tubes is adjusted respectively to the temperature