Fixing module for mounting exposed junction type thermocouple

A technology for fixing modules and thermocouples, which is applied to thermometers using electric/magnetic elements that are directly sensitive to heat, using electrical devices, using electromagnetic means, etc., to achieve the effects of convenient maintenance and replacement, convenient installation, and stable and reliable work

Inactive Publication Date: 2014-04-02
INST OF PLASMA PHYSICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

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

Method used

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  • Fixing module for mounting exposed junction type thermocouple
  • Fixing module for mounting exposed junction type thermocouple
  • Fixing module for mounting exposed junction type thermocouple

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Embodiment

[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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Abstract

The invention discloses a fixing module for mounting an exposed junction type thermocouple. The fixing module 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 provided with an inner hexagonal screw hole in a certain depth; the other end of the axial center of the cylinder is provided with a thermocouple wire fixing groove; the size of the thermocouple wire fixing groove is matched with the diameter of selected thermocouple wires; a hemispherical hole is processed on the thermocouple wire fixing groove; the diameter of the hemispherical hole is matched with the diameter of the selected thermocouple; an inner threaded hole is processed axially in the cylinder between the inner hexagonal screw hole and the thermocouple wire fixing groove; the thermocouple wires sequentially penetrate through the hemispherical hole, the thermocouple wire fixing groove, the inner threaded hole and the inner hexagonal screw hole, and are led out until a thermocouple measuring ball is fitted with the hemispherical hole. The fixing module works stably and reliably, can effectively solve the difficult problem that the exposed junction type thermocouple cannot be fixed, and also solves the problem of insulation 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 co...

Claims

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Application Information

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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
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