Novel high-temperature-resistant armored thermocouple

An armored thermocouple, high temperature resistant technology, applied in thermometers, measuring devices, measuring heat, etc., to achieve the effect of being replaceable

Pending Publication Date: 2018-12-07
天津德尔泰热控系统有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, armored thermocouples have a wide range of applications in the prior art, and there are still some deficiencies in the actual use process. For example, when applied to high temperature measurement, it is necessary to improve the high temperature resistance of armored thermocouples, and the thermocouples can also be replaced. problem, saving resources

Method used

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  • Novel high-temperature-resistant armored thermocouple

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Embodiment Construction

[0017] Specific embodiments of the present invention are described below in conjunction with accompanying drawing:

[0018] like figure 1 As shown, the present invention provides a novel high-temperature-resistant armored thermocouple, which includes a casing 2 and a thermocouple 6 disposed in the inner cavity of the casing 2. The thermocouple 6 includes a positive pair of wires 10, a metal block 9 and a negative pair of wires 8 , the positive pole wire 10 is connected to the negative pole wire 8 through the metal block 9, the number of thermocouples 6 is an even number, the even number of thermocouples 6 are connected in series through the wire 5, and the even number of thermocouples 6 is provided with an outer insulating sleeve 4, and the outer insulation A fixing frame for fixing the metal block 9 is arranged inside the sleeve 4 , an outer insulating layer 3 is arranged inside the casing 2 and the outer insulating casing 4 , and a high temperature resistant coating is arran...

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PUM

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Abstract

The invention provides a novel high-temperature-resistant armored thermocouple comprising a casing tube and thermocouple units arranged in the inner cavity of the casing tube. The thermocouple units include positive thermocouple wires, metal blocks and negative thermocouple wires; the positive thermocouple wires are connected with the negative thermocouple wires by the metal blocks. An even numberof thermocouple units are connected in series by wires; an outer insulation sleeve is arranged outside the even number of thermocouple units; a fixation rack for fixing the metal blocks is arranged inside the outer insulation sleeve; an outer insulation layer is arranged between the casing tube and the outer insulation sleeve; and a high-temperature-resistant coating is arranged outside the casing tube. On the basis of material selection and reasonable design of the casing tube, the outer insulation layer, the outer insulation sleeve, the isolation sleeve, and the coating layer outside the casing tube, high-temperature-resistant usage of the thermocouple is realized.

Description

technical field [0001] The invention relates to the field of thermal resistance, in particular to a novel high-temperature-resistant armored thermocouple. Background technique [0002] Thermal resistance (thermal resistor) is the most commonly used temperature detector in the low temperature area. Thermal resistance temperature measurement is based on the characteristic that the resistance value of metal conductors increases with the increase of temperature for temperature measurement. Its main features are high measurement accuracy and stable performance. The temperature measurement principle of thermal resistance is based on the characteristic that the resistance value of a conductor or semiconductor changes with temperature to measure temperature and temperature-related parameters. Most thermal resistances are made of pure metal materials, platinum and copper are the most widely used at present, and materials such as nickel, manganese and rhodium have been used to manuf...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01K1/12
CPCG01K1/12
Inventor 李洪娟
Owner 天津德尔泰热控系统有限公司
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