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A kind of t-type ultra-fine thermocouple manufacturing process

A manufacturing process and thermocouple technology, applied in the field of T-type ultra-fine thermocouple manufacturing process, can solve the problems of poor stability, different shapes of thermocouples, high precision requirements, etc., and achieve strong stability, easy promotion and use, Measuring the effect of responsiveness

Active Publication Date: 2017-12-12
安徽科联电气科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Thermocouple is a commonly used temperature measuring element in temperature measuring instruments. It directly measures temperature, and converts the temperature signal into thermal electromotive force signal, and converts it into the temperature of the measured medium through electrical instruments. The shape of various thermocouples is often very different due to needs. They are not the same, but their basic structures are roughly the same. They are usually composed of main parts such as galvanic wires and junction boxes. They are usually used in conjunction with display instruments, recording instruments, and electronic regulators. Thermocouples are mainly used for liquids, steam, and gases. The measurement of the temperature of the medium and the surface temperature of the solid. In the actual application of the thermocouple, because it is a precision measurement tool, it has high requirements for its accuracy. Due to the lack of technology of the traditional thermocouple, the relative diameter of the galvanic wire is relatively thick. Therefore, in the actual measurement, the detection response is slow, so there will be a certain delay while the data is displayed, and because the galvanic wire is thick, the measurement stability is relatively poor, so a thinner galvanic wire is used Processing ultra-fine thermocouples is a technical improvement that can be thought of in the current field, but there are certain technical gaps in the processing of ultra-fine thermocouples. In the existing technology, the thinnest thermocouple wire can only reach 0.5mm , cannot meet the actual application requirements

Method used

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  • A kind of t-type ultra-fine thermocouple manufacturing process

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Experimental program
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Effect test

Embodiment 1

[0037] A T-type ultra-fine thermocouple manufacturing process, comprising the following steps:

[0038] 1) Take out the armored wire, then use a straightening machine to straighten it, then use a tape measure and pliers to cut the armored wire into the length required by the order, and set aside;

[0039] The processing method of above-mentioned armored wire is:

[0040] a. Take copper-copper-nickel thermocouple wires with a diameter of 2.2 mm for sorting, and select the thermocouple wires with uniform color, smoothness, no oil, no folds, no cracks, no burrs and interlayers, and set them aside;

[0041] b. Take a steel pipe with a diameter of 16mm and a pipe wall thickness of 1.7mm for use;

[0042] c. Choose a magnesium oxide column with a magnesium oxide content ≥ 96%. The magnesium oxide column should be white, free of rust, oil, smooth surface, free of air bubbles, holes, non-eccentric silk holes, and non-bent column body. Reserve;

[0043] d. Place the steel pipe in the...

Embodiment 2

[0066] A T-type ultra-fine thermocouple manufacturing process, comprising the following steps:

[0067] 1) Take out the armored wire, then use a straightening machine to straighten it, then use a tape measure and pliers to cut the armored wire into the length required by the order, and set aside;

[0068] The processing method of above-mentioned armored wire is:

[0069] a. Take copper-copper-nickel thermocouple wires with a diameter of 2.4 mm for sorting, and select the thermocouple wires with uniform color, smoothness, no oil, no folds, no cracks, no burrs and interlayers, and set them aside;

[0070] b. Take a steel pipe with a diameter of 20mm and a pipe wall thickness of 1.9mm for use;

[0071] c. Choose a magnesium oxide column with a magnesium oxide content ≥ 96%. The magnesium oxide column should be white, free of rust, oil, smooth surface, free of air bubbles, holes, non-eccentric silk holes, and non-bent column body. Reserve;

[0072] d. Place the steel pipe in the...

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Abstract

A T-type ultra-fine thermocouple manufacturing process relates to the technical field of instrument processing, including main material selection, cutting treatment, welding and baking, glue sealing and curing, and testing and assembly. The beneficial effects of the present invention are: the present invention determines the use of reasonable processing equipment, supplemented by the selection of corresponding process parameters, to process ultra-fine thermocouples, the diameter of the prepared thermocouples can reach 0.4mm, and the prepared thermocouples have rapid measurement response , strong stability and performance, effectively solve the technical gap in the current technology, which cannot be processed by ultra-fine thermocouples, and is easy to promote and use.

Description

technical field [0001] The invention relates to the technical field of instrument processing, in particular to a T-type ultrafine thermocouple manufacturing process. Background technique [0002] Thermocouple is a commonly used temperature measuring element in temperature measuring instruments. It directly measures temperature, and converts the temperature signal into thermal electromotive force signal, and converts it into the temperature of the measured medium through electrical instruments. The shape of various thermocouples is often very different due to needs. They are not the same, but their basic structures are roughly the same. They are usually composed of main parts such as galvanic wires and junction boxes. They are usually used in conjunction with display instruments, recording instruments, and electronic regulators. Thermocouples are mainly used for liquids, steam, and gases. The measurement of the temperature of the medium and the surface temperature of the soli...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01K7/02
CPCG01K7/02
Inventor 张载福王万青杨嵩陈玉军王天伟黄昊
Owner 安徽科联电气科技有限公司
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