Electromagnetic-induction heating device for thin-film thermocouple on ceramic blade

An electromagnetic-induction heating device for a thin-film thermocouple on a ceramic blade, comprising:

• a spiral coil;
• an alumina ceramic chamber;
• an air channel;
• an infrared nod temperature instrument;
• an electromagnetic-induction heater;
• a controller;
• and
• a vacuum pump;
• wherein the ceramic blade is enveloped in the spiral coil;
• an axial length of the spiral coil is the same with a length of the ceramic blade, and an inner diameter of the spiral coil is offset such that the ceramic blade is completely enveloped in the spiral coil;
• a gap is provided between the spiral coil and the ceramic blade;
• the spiral coil is arranged in the alumina ceramic chamber;
• the spiral coil and the alumina ceramic chamber are integrally formed by pressing molding;
• two ends of the spiral coil are both connected to the electromagnetic-induction heater;
• the ceramic blade is arranged in the alumina ceramic chamber;
• the thin-film thermocouple is arranged on a surface of the ceramic blade;
• a first end of the air channel is connected to an end of the alumina ceramic chamber, and a second end of the air channel is connected to the infrared nod temperature instrument and the vacuum pump;
• and the electromagnetic-induction heater, the infrared nod temperature instrument and the vacuum pump are all electrically connected to the controller.