COOLING SYSTEM AND ELECTRONIC APPARATUS
First Claim
1. A cooling system comprising:
- a fan which is disposed in a chassis in which a heating element is housed;
a first temperature sensor which is disposed in the chassis;
a second temperature sensor which is disposed at a position which is different from a position of the first temperature sensor; and
a fan control unit configured to drive the fan in response to a first temperature, based on a measured value of the first temperature sensor, reaching at least a first threshold value or a second temperature, based on a measured value of the second temperature sensor, reaching at least a second threshold value which is set to a value lower than the first threshold value.
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Accused Products
Abstract
The present invention aims to reduce noise derived from an operation sound of a fan while maintaining cooling capacity of the fan. A cooling system includes a fan which is disposed in a chassis in which a CPU which is exemplified as a heating element is housed, one temperature sensor which is disposed in the chassis, another temperature sensor which is disposed at a position which is different from a position of the one temperature sensor, and a fan control unit which drives the fan in a case where one temperature, which is based on a measured value of one temperature sensor, is at least a first threshold value or in a case where another temperature, which is based on a measured value of the other temperature sensor, is at least a second threshold value which is set to a value lower than the first threshold value.
10 Citations
6 Claims
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1. A cooling system comprising:
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a fan which is disposed in a chassis in which a heating element is housed; a first temperature sensor which is disposed in the chassis; a second temperature sensor which is disposed at a position which is different from a position of the first temperature sensor; and a fan control unit configured to drive the fan in response to a first temperature, based on a measured value of the first temperature sensor, reaching at least a first threshold value or a second temperature, based on a measured value of the second temperature sensor, reaching at least a second threshold value which is set to a value lower than the first threshold value. - View Dependent Claims (2, 3, 4, 5)
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6. A cooling system comprising:
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a fan which is disposed in a chassis in which a heating element is housed; a temperature sensor which is disposed in the chassis; a fan control unit configured to control the fan; and a connection sensing unit configured to sense that an external device is connected to the chassis, wherein the fan control unit has a rotation number command generation section configured to generate a rotation number command for the fan by using a measured value of the temperature sensor, and a command invalidation section configured to invalidate the rotation number command, which is generated by the rotation number command generation section, for a predetermined period of time in response to sensing that the external device is connected to the chassis.
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Specification