Cooling abnormality detection system for electronic equipment

Details Cooling abnormality detection system for electronic equipment Cooling abnormality detection system for electronic equipment

1992-09-16

1994-04-12

Ford, John K.

Heat exchange

With alarm, indicator, signal, register, recorder, test or...

Remotely controlled inspection means

165 111, 165 13, 16510433, 361699, F28D 1500, G01K 1700, H02B 100, H05K 720

Patent

active

053017439

ABSTRACT:
An excess heat abnormality detection and alarm system for external electronic equipment includes a protection unit containing a timer for counting a predetermined period of time and outputting a time output signal, a temperature measuring means for causing temperature sensors to measure the temperatures of the electronic components, a first and second abnormal temperature discriminating means, the first abnormal temperature discriminating means being operated for a predetermined period of time set in the timer means. The first abnormal temperature discriminating means identifies or discriminates one of the temperatures measured by the temperature measuring means as an abnormal temperature. A second abnormal temperature discriminating means operated after a predetermined period of time set in the timer means distinguishes between the two temperatures measured by the temperature measuring means. The abnormality alarm means receives an abnormality signal from the first and second abnormal temperature discriminating means and generates a stop signal, which controls the power supplied to each of the external electronic components.

REFERENCES:
patent: 4729424 (1988-03-01), Mizuno
patent: 5086829 (1992-02-01), Asakawa
patent: 5174364 (1992-12-01), Mizuno
Mizuno et al., "Cooling Technology For the NEC SX Super Computer" Proceedings of the International Symposium on Cooling Technology For Electronic Equipment Mar. 17-21, 1987, pp. 110-125.
Electro Impulse Co., Microwave Journal, "Self-Cooled High-Power RF Load", vol. 19, No. 4, Apr. 1976, p. 36.

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