Multi-point thermocouple liquid level detector with high frequency induced eddy current heating

• Main Authors: ZHA MEISHENG, CHEN ZHEN, ZHENG DIANJUN, SUN ZHICHAO
• Format: Patent
• Language: Chinese; English
• Published: 26.03.2019
• Subjects: MEASURING; MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL; METERING BY VOLUME; NUCLEAR ENGINEERING; NUCLEAR PHYSICS; NUCLEAR REACTORS; PHYSICS; TESTING

The invention relates to a multi-point thermocouple liquid level detector with high frequency induced eddy current heating. The detector includes a protection sleeve, a heating coil, an armored thermocouple and a heated armored thermocouple, wherein the heating coil, the armored thermocouple and the heated armored thermocouple are arranged in a pressure bearing sleeve, the armored thermocouple isarranged at a bottom portion of the pressure bearing sleeve, the heating coil is internally provided with the heated armored thermocouple, the heated armored thermocouple is formed through filling a magnetic conduction metal into a thermal end sleeve of the armored thermocouple, or one segment of magnetic conduction metal block is welded outside the thermal end sleeve, or the armored thermocoupleitself is a magnetic conduction thermocouple, and the armored thermocouple and the heated armored thermocouple form a thermocouple measurement pair for liquid level measurement. 种高频感应涡流加热的多点热电偶液位探测器，包括保护套管、加热线圈、铠装热电偶、被加热铠装热电偶，