A fixed module for mounting open-ended thermocouples
A technology for fixing modules and thermocouples, which is applied to thermometers using electrical/magnetic components directly sensitive to heat, using electrical devices, using electromagnetic means, etc., to achieve the effect of solving inability to fix, solving insulation problems, and being easy to disassemble
Inactive Publication Date: 2016-07-06
INST OF PLASMA PHYSICS CHINESE ACAD OF SCI
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Problems solved by technology
[0006] The invention provides a fixing module for installing open-ended thermocouples to solve the current problem of installing open-ended thermocouples on components to be tested
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[0019] Such as Figure 1-4 shown. A fixed module for installing exposed-end thermocouples, including a cylinder 1, the outer wall of the front end of the cylinder 1 is provided with external threads 2; the front end of the axial center of the cylinder 1 is processed with a certain depth of inner hexagonal screw holes 3. To facilitate the installation and disassembly of the fixed module from the thermocouple mounting device with an Allen wrench, the other end of the axial center of the cylinder 1 is processed with a thermocouple wire fixing groove 4, and the thermocouple wire fixing groove 4 is waist-shaped Holes, the edges of the thermocouple wire fixing groove 4 are all chamfered and the width and length match the diameter of the selected thermocouple wire 7; on the thermocouple wire fixing groove 4, a hemispherical hole 5 is reprocessed for fixing the thermocouple measuring ball 8 , the diameter of the hemispherical hole 5 matches the diameter of the selected thermocouple; ...
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The invention discloses a fixing module for installing exposed-end thermocouples, which comprises a cylinder, the outer wall of the front end of the cylinder is provided with external threads; the front end of the axial center of the cylinder is processed with a certain depth of inner hexagonal screw holes , the other end of the axial center of the cylinder is processed with a thermocouple wire fixing groove, the size of the thermocouple wire fixing groove matches the selected thermocouple wire diameter; a half-spherical hole is processed on the thermocouple wire fixing groove, and the diameter of the hemispherical hole is Matches the diameter of the selected thermocouple; there is an internal thread hole processed in the axial direction between the inner hexagonal screw hole in the cylinder and the thermocouple wire fixing groove; the thermocouple wire passes through the hemispherical hole, the thermocouple wire fixing groove, the inner The threaded hole and the inner hexagonal screw hole are drawn out until the thermocouple measuring ball matches the hemispherical hole. The invention works stably and reliably, can effectively solve the problem that the exposed-end thermocouple cannot be fixed, and simultaneously solve the insulation problem of the two wires of the thermocouple.
Description
technical field [0001] The invention relates to the technical field of precise temperature measurement based on thermocouples, in particular to a fixing module for installing exposed-end thermocouples. Background technique [0002] A thermocouple is a type of temperature measuring device made based on the Seebeck effect. Its working principle is to weld two conductors or semiconductors of different materials to form a closed loop. Because the electrons carried by the two different metals If the numbers are different, when there is a temperature gradient between the two attachment points, a thermal electromotive force will be generated, and then it can be converted into the temperature of the measured medium through an electrical instrument. [0003] Thermocouple temperature measurement has the following technical advantages: thermocouple has a wide range of temperature measurement and relatively stable performance; high measurement accuracy, the thermocouple is in direct con...
Claims
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IPC IPC(8): G01K1/14G01K7/02
Inventor 许永建胡纯栋谢远来李军陶玲于玲宋士花程斌
Owner INST OF PLASMA PHYSICS CHINESE ACAD OF SCI