Rapid response temperature measuring thermocouple for metal mold casting
A temperature measurement thermocouple, metal mold casting technology, applied in the direction of measuring heat, thermometers, measuring devices, etc., can solve the problems of slow response of armored thermocouples, unable to meet the requirements of temperature measurement and temperature control, etc. Large contact area, the effect of avoiding contamination
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[0017] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0018] The fast-response thermocouple disclosed in the present invention includes two thermocouple wires 3, the materials used for the two thermocouple wires are NiCr alloy and NiSi alloy respectively, the thermocouple wires are located in the protective sleeve 1, and the sleeve is filled with insulating material 2, The two thermocouple wires are connected by a metal joint 5 at the hot end, and there is an insulating pad 4 between the metal joint and the casing.
[0019] When measuring temperature, such as measuring the temperature of an aluminum alloy low-pressure casting mold, the metal joint is directly inserted into the temperature measuring hole of the mold 6 to contact the mold wall. During temperature measurement, the heat is directly transmitted to the metal joint through the mold wall. At this time, the metal joint The contact point wi...
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