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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: 2015-05-06
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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specific Embodiment 1

[0028] 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

[0050] Specific embodiment 2: 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. A supporting pipe is arranged outside the armored thermocouple in a sleeved manner, the armored thermocouple is mounted in a protecting sleeve through the supporting pipe, multiple pairs of thermocouple wires are arranged in the armored thermocouple, a corundum pipe is arranged at a heat end of the armored thermocouple, extending ends of the thermocouple wires of the armored thermocouple penetrate a through hole of the corundum pipe respectively, a thermojunction is formed by welding and contacts with the protecting sleeve, heat-conducting filler is filled between the thermojunction and the protecting sleeve, cold ends of the thermocouple wires are connected with a compensation cable through a sealed connecting member, a compression nut connected with a mounting portion of the protecting sleeve sleeves above the supporting pipe, and a compression gasket is arranged between the compression nut and the mounting portion of the protecting sleeve. The temperature-measuring armored thermocouple is compact in structure, high in thermoelectric performance, high in radiation resistance, high in high-temperature resistance, high in reliability, safe and reliable to use and convenient for 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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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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