Detecting overheating of printed circuit boards

Detecting overheating of printed circuit boards

A prints circuit board 21 is supplied with current from a source 20. A current sensor 22 is coupled to a noise monitor 23 responsive to a frequency band in which variations will occur if the board 21 overheats. If the intensity of the noise signal exceeds a preset level, an alarm signal is generated...

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Hauptverfasser: THOMAS PAUL GROVES, ANDREW PINNELL-HUTCHISON
Format: Patent
Sprache:eng
Schlagworte:
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
GENERATION
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
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creator THOMAS PAUL GROVES
ANDREW PINNELL-HUTCHISON
description A prints circuit board 21 is supplied with current from a source 20. A current sensor 22 is coupled to a noise monitor 23 responsive to a frequency band in which variations will occur if the board 21 overheats. If the intensity of the noise signal exceeds a preset level, an alarm signal is generated to shut down or reduce the Power supplied to the board.
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subjects CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
GENERATION
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
title Detecting overheating of printed circuit boards
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