Windproof safe thermocouple

Abstract

The invention provides a windproof safe thermocouple, comprising a detection body, a housing, a thermocouple wire, a work head, a protective cover, etc. The outside of the detection body is provided with the housing; the housing, a windproof assembly and the protective cover are correspondingly provided with an installing hole, and are successively installed together through installing holes. A corrosion resistant coating is sprayed on the upper surface of an air baffle, and has good chemical stability, corrosion resistance, sealing performance, high lubrication, zero viscosity, electric insulating property and aging resistance, which allows the windproof safe thermocouple to be directly used for measurement of various complex environments, thereby avoiding the case in which a traditional electric thermocouple burns out a thermocouple wire and ejects flames when a temperature is too high, and meanwhile allowing the windproof safe thermocouple to be in direct contact with a detected object for measurement, avoiding intermediate medium influence, and obtaining more accurate detection results. The protective cover is a detachable structure, is convenient for wind and fire prevention, and ensures work personnel safety.

Description

technical field [0001] The invention relates to a thermocouple, in particular to a windproof and safe thermocouple. Background technique [0002] Thermocouples are one of the most commonly used temperature detection components in the industry. The working principle of thermocouples is based on the Seebeck effect, that is, the two ends of conductors with different components are connected to form a loop. A physical phenomenon that generates thermal currents. At present, the thermocouples on the market have great limitations in use, and most of them cannot be directly used in sulfur, reducing or alternating reduction and oxidation atmospheres and vacuums at high temperatures, nor can they be used in weak oxidizing atmospheres for a long time, not only It is very sensitive to pollution, and its mechanical strength decreases under high temperature environment. The price of galvanic wire made of precious metal is expensive. When the temperature is high, the metal wire is fused a...

AI Technical Summary

Problems solved by technology

At present, the thermocouples on the market have great limitations in use. Most of them cannot be directly used in sulfur, reducing or alternating reduction and oxidation atmospheres and vacuum at high temperatures, nor can they be used in weak oxidizing atmospheres for a long time. Not only It is very sensitive to pollution, and its mechanical strength decreases under high temperature environment. The price of galvanic wire made of precious metal is expensive. When the temperature is high, the metal wire is fused and prone to fire, which not only causes personal injury, but also damages Thermocouples cause large economic losses. The uniformity of thermoelectric potential of existing thermocouples is poor when used, and they are not suitable for use in atmospheres containing metal or non-metal vapors.

When the outside wind is strong, the outside wind may enter the thermocouple, and the thermocouple will deviate from the flame, resulting in damage to the thermocouple and bringing danger to the staff.

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