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Temperature measuring armored thermocouple

A technology of armored thermocouples and thermocouple wires, which is applied to measuring devices, measuring heat, thermometers, etc., can solve problems such as unstable thermoelectric potential output, damage to power supply coolant, and affecting power generation performance, so as to improve temperature measurement accuracy and The effects of thermal response time, easy disassembly and assembly, and simple structure

Active Publication Date: 2017-09-26
CHONGQING MATERIALS RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, the temperature sensor assembly is a very important part in the power generation reaction, but the existing temperature sensor assembly usually measures the temperature of the outer pipe wall of the power supply cooling pipe, and the temperature sensor assembly is in a vacuum environment, because the vacuum environment will take away a large amount of Heat, so the accuracy of the measured data is low, the response speed is slow, and it is easily damaged by the high temperature of the power supply coolant, and radiation will be generated during the power generation reaction, and the thermal potential output under radiation will be unstable, affecting the performance of power generation

Method used

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  • Temperature measuring armored thermocouple
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  • Temperature measuring armored thermocouple

Examples

Experimental program
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specific Embodiment 1

[0029] see Figure 1 to Figure 4 As shown, a temperature-measuring armored thermocouple includes a protective sleeve 1 and an armored thermocouple 2. One end of the protective sleeve 1 is processed into a seal, and the other end is a mounting part 1-1 provided with an insertion port. The installation part 1-1 is composed of a connecting boss arranged along the outer circumference of the protective sleeve 1 and an extension part extending in the axial direction, the extension part is cylindrical, the extension part is provided with an external thread, and an internal A spring installation cavity, the inner diameter of the spring installation cavity is larger than the outer diameter of the support tube 5 . The protective sleeve 1 is integrally processed by 316H stainless steel, and the installation part 1-1 is welded on the cooling pipeline for installing the protective sleeve 1 on the cooling pipeline. The installation part 1-1 of the protective sleeve 1- 1 Argon arc welding i...

specific Embodiment 2

[0051] see Figure 5 As shown, the characteristics of this embodiment are: there are multiple armored thermocouples installed on the flange, and the effect of using n (n>1) thermocouples is that when any 1 to n-1 thermocouples fail At least one thermocouple can still output the correct temperature signal to the control system. Other characteristics are identical with specific embodiment 1.

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Abstract

The invention discloses a temperature-measuring armored thermocouple. The armored thermocouple is provided with a support tube, and the armored thermocouple is installed in the protective sleeve through the support tube. The armored thermocouple is provided with multiple pairs of thermocouple wires. The hot end of the thermocouple is equipped with a corundum tube, and the extension ends of the multiple pairs of thermocouple wires of the armored thermocouple pass through the through holes of the corundum tube respectively, and are welded into a hot junction, and the thermal junction and the protective sleeve are filled with thermally conductive fillers , the cold end of the thermocouple wire is connected to the compensation cable through a sealed connector; a compression nut connected to the installation part of the protective sleeve is sleeved above the support tube, and a compression pad is provided between the compression nut and the installation part of the protective sleeve piece. The invention has the advantages of compact structure, good thermoelectric performance, good radiation resistance performance, good high temperature resistance performance, high reliability, safe and reliable use, and easy popularization.

Description

technical field [0001] The invention belongs to a temperature measuring device, in particular to a temperature measuring armored thermocouple. Background technique [0002] A large amount of heat will be generated during the power generation process, which will affect the normal operation of power generation conditions under high temperature conditions. Therefore, power supply coolant is needed to adjust the reaction temperature of power generation. The temperature sensor component is used to measure the temperature of the power supply coolant outlet\inlet, and the The measured temperature signal is sent to the control system and monitored by the control system to ensure the safe operation of the power generation condition. Among them, the temperature sensor assembly is a very important part in the power generation reaction, but the existing temperature sensor assembly usually measures the temperature of the outer pipe wall of the power supply cooling pipe, and the temperatu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01K7/06
Inventor 张祖力王华冯邻江张立新鞠华罗松陈洁赵恒
Owner CHONGQING MATERIALS RES INST
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