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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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | 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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