COUPLING-BASED NON-CONTACT TYPE TEMPERATURE MEASUREMENT SYSTEM AND MEASUREMENT METHOD THEREOF
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United States of America Patent
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Issued Date -
Nov 13, 2014
app pub date -
Feb 24, 2012
filing date -
Dec 26, 2011
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Abandoned
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Abstract
A coupling-based non-contact type temperature measurement system includes a controller, a drive circuit connected to the controller, a switch circuit connected to the drive circuit, a resonance circuit connected to the switch circuit, a temperature sensor coupled to the resonance circuit, and a signal detection circuit connected to the resonance circuit and the controller. In the measurement system, the temperature sensor is isolated from other components of the system, and non-contact type temperature measurement of an object is implemented through electromagnetic coupling. Further provided is a measurement method of a coupling-based non-contact type temperature measurement system. The measurement method implements the transfer of a temperature signal in an electromagnetic coupling form, and performs calculation and analysis according to the temperature signal, thereby implementing non-contact type temperature of an object, and is therefore applicable to reliable temperature measurement for internal core wires in high-voltage power cables.
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