Thermocouple cold junction compensation type combined socket connector

Abstract

The invention relates to a thermocouple cold junction compensation type combined socket connector which comprises a plugin male head and a plugin female head, wherein the plugin male head comprises a plugin male head bottom cover and a plugin male head upper cover; a male head inner core positive electrode and a male head inner core negative electrode are arranged in the plugin male head bottom cover side by side; the plugin female head comprises a plugin female head bottom cover and a plugin female head upper cover; the female head inner core positive electrode and the female head inner core negative electrode are arranged in the plugin female head bottom cover side by side. The socket connector has the benefits that through the utilization of the free connection or plug-in connection of a thermocouple temperature sensor and an armored compensation conducting wire cable, the cold junction of the thermocouple is stretched from an industrial site with frequent temperatures and considerable change to a central control room with a relatively constant temperature in a long distance; the long distance stretching of the thermocouple cold junction and the automatic compensation of the cold junction temperature are realized; with the help of the firm and durable properties of the armored compensation cable, the temperature measuring circuit is ensured to be high temperature resistant, the reliability of the running of the temperature measurement and control system can be obviously enhanced, and the service life can be obviously prolonged.

Description

technical field [0001] The invention relates to a thermocouple cold junction temperature compensation combined connector. Background technique [0002] The accuracy of thermocouple temperature measurement will be affected by the ambient temperature of the cold junction of the thermocouple (the connection between the wire and the positive and negative poles of the thermocouple wire), usually resulting in low temperature. For a long time, thermocouples have been used in the field of industrial temperature measurement The compensation wire is connected to the temperature sensor and the temperature control equipment. Using the principle that the thermoelectric potential characteristics of the thermocouple compensation wire in a specific temperature range are the same as the thermoelectric properties of the thermocouple, the cold end of the thermocouple is extended to the central control room, avoiding the industrial field temperature The impact of high frequency and large amplit...

AI Technical Summary

Problems solved by technology

However, due to the limited temperature resistance of the insulating material coated on the surface of the thermocouple compensation wire, and it is easily damaged by external forces, it directly affects the normal operation of the temperature measurement and control system, and the temperature measurement range is limited by the thermocouple compensation wire, so it is impossible to complete some Temperature measurement in special environments

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