G - Physics – 05 – B
Patent
G - Physics
05
B
340/77, 342/13.6
G05B 9/02 (2006.01) G05D 23/24 (2006.01)
Patent
CA 1338341
A cooling abnormality detection system for electronic equipment cooled by a separate cooling device includes a protection unit, and also includes a flowmeter, a water gauge, a pump operation detector, and an abnormal temperature sensor in a liquid coolant flow path between the electronic equipment and the cooling device. The flowmeter detects a decrease in flow rate of the liquid coolant downstream of the electronic equipment. The water gauge is arranged in a coolant tank in the flow path, and detects a decrease in the water level of the liquid coolant in that tank. The pump operation detector is connected to a pump on the coolant flow path to detect operation of the pump. The abnormal temperature sensor detects an abnormal temperature of the electronic equipment. The protection unit determines that a cooling abnormality exists if an abnormal temperature is detected by the temperature sensor during operation of the pump, or if an abnormality is detected by any one of the flowmeter, the water gauge, and the abnormal temperature sensor during non-operation of the pump.
611777
Corporation Nec
G. Ronald Bell & Associates
LandOfFree
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