INFORMATION PROCESSOR AND COOLING PERFORMANCE DETERMINATION METHOD
First Claim
1. An information processing apparatus, comprising:
- a housing;
a printed-circuit board in the housing;
a heat generator on the printed-circuit board;
a heat radiator in the housing configured to radiate heat from the heat generator to the outside of the housing;
a first thermometer in the housing configure to sense a first temperature at a first position on the printed-circuit board;
a second thermometer on the printed-circuit board, configured to sense a second temperature at a second position away from the heat generator than the first position;
a temperature difference processor configured to compute a temperature difference between the first temperature and the second temperature; and
a cooling performance determination module configured to monitor whether the temperature difference is above a threshold, and to determine whether performance of the heat radiator is deteriorated based on a result of the temperature difference monitoring, wherein the threshold is at least one of;
the temperature difference computed when a measured temperature of the housing is in a predetermined high range;
the temperature difference computed when power consumption of the heat generator is substantially high; and
the temperature difference computed when a temperature of the heat generator is beyond a predetermined normal operating limit temperature.
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Accused Products
Abstract
According to one embodiment, an information processing apparatus, includes a heat generator on the printed-circuit board in the housing, a heat radiator in the housing configured to radiate heat of the heat generator to the outside of the housing, a first thermometer configure to sense a first temperature at a first position on the board, a second thermometer on the board configured to sense a second temperature at a second position away from the heat generator than the first position, a cooling performance determination module configured to monitor whether a temperature difference between the first temperature and the second temperature is above a threshold, and to determine whether performance of the heat radiator is deteriorated based on a result of the monitoring.
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Citations
10 Claims
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1. An information processing apparatus, comprising:
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a housing; a printed-circuit board in the housing; a heat generator on the printed-circuit board; a heat radiator in the housing configured to radiate heat from the heat generator to the outside of the housing; a first thermometer in the housing configure to sense a first temperature at a first position on the printed-circuit board; a second thermometer on the printed-circuit board, configured to sense a second temperature at a second position away from the heat generator than the first position; a temperature difference processor configured to compute a temperature difference between the first temperature and the second temperature; and a cooling performance determination module configured to monitor whether the temperature difference is above a threshold, and to determine whether performance of the heat radiator is deteriorated based on a result of the temperature difference monitoring, wherein the threshold is at least one of; the temperature difference computed when a measured temperature of the housing is in a predetermined high range; the temperature difference computed when power consumption of the heat generator is substantially high; and the temperature difference computed when a temperature of the heat generator is beyond a predetermined normal operating limit temperature. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A cooling performance determination method of determining cooling performance of a heat radiator discharging heat from a heat generator installed in a housing to the outside, the method comprising:
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sensing a first temperature at a first position on a printed-circuit board with the heat generator on the printed-circuit board and a second temperature at a second position away from the heat generator than the first position on the printed-circuit board; computing a temperature difference between the first temperature and the second temperature; and monitoring the temperature difference during a predetermined time period from when the temperature difference is above the threshold; and determining whether performance of the heat radiator is deteriorated based on the result of the monitoring, wherein the threshold is at least one of; the temperature difference computed when a measured temperature of the housing is in a predetermined high range; the temperature difference computed when power consumption of the heat generator is substantially high; and the temperature difference computed when a temperature of the heat generator is beyond a predetermined normal operating limit temperature.
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Specification