Coffee bean temperature detection device and temperature measuring method thereof

A coffee bean temperature detection device, comprising:

• a fixing structure, tightly engaged to a bean roasting container, and the fixing structure disposed with a fixing slot, a first fixing base, and a first hole, one side of the fixing structure with the first hole facing inside of the bean roasting container and the other side of the fixing structure with the first hole facing outside of the bean roasting container, the fixing structure comprising a protruding portion on a circumference of the first hole;
• a sealing ring having an outer diameter matched with an inner diameter of the first hole, and comprising a recessed portion on an outer circumference, the recessed portion matched with the protruding portion of the first hole, and the sealing ring being sleeved tightly in the first hole of the fixing structure, with the recessed portion engaged with the protruding portion on the circumference of the first hole, the sealing ring being disposed with a second hole;
• an accommodation tube with two opposite openings, and the opening facing coffee beans in roasting is a first opening, and the other opening facing away from the coffee beans being a second opening;
• the accommodation tube disposed with a fixing buckle and a second fixing base pointing to the first opening, with engagement between the fixing buckle and the fixing slot, and combining the first fixing base and the second fixing base, the first opening being tightly pressed against the second hole;
• a fixing element fixedly arranged in the accommodation tube by a plurality of fixing pins but the fixing element not being completely in contact with the accommodation tube;
• a non-contact thermometer located in the accommodation tube and fixedly arranged on a surface of the fixing element facing the first opening, with the non-contact thermometer facing the first opening and not in contact with the accommodation tube;
• and
• a blowing device fixedly arranged at end of the second opening, and the blowing device blowing in a direction towards the non-contact thermometer.