COOLING SYSTEM AND ELECTRONIC APPARATUS

To reduce noise by an operation sound of a fan while keeping cooling performance of the fan.SOLUTION: A cooling system comprises a fan 31 installed inside a frame 2 accommodating a CPU 10 referred to as a heating element, a temperature sensor 21 installed inside the frame 2, a temperature sensor 22...

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Bibliographische Detailangaben
Hauptverfasser:	OYAMA ATSUSHI, ADACHI TAKAMITSU, KAMIMURA TAKUO, NAGANAMI TSUTOMU, AKIYAMA SHOGO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BASIC ELECTRIC ELEMENTS CALCULATING CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS COMPUTING CONTROLLING COUNTING ELECTRIC DIGITAL DATA PROCESSING ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS PHYSICS PRINTED CIRCUITS REGULATING SEMICONDUCTOR DEVICES SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
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Beschreibung
Zusammenfassung:	To reduce noise by an operation sound of a fan while keeping cooling performance of the fan.SOLUTION: A cooling system comprises a fan 31 installed inside a frame 2 accommodating a CPU 10 referred to as a heating element, a temperature sensor 21 installed inside the frame 2, a temperature sensor 22 installed at a place different from the temperature sensor 21, and a fan control part driving the fan 31 when a temperature based on a measured value of the temperature sensor 21 is higher than a first threshold or a temperature based on a measured value of the temperature sensor 22 is higher than a second threshold that is set to a value lower than the first threshold.SELECTED DRAWING: Figure 1 【課題】ファンによる冷却能力を保ちつつ、ファンの動作音による騒音を低減することを目的とする。【解決手段】冷却システムは、発熱体として例示されるＣＰＵ１０を収容した筐体２の内部に設けられたファン３１と、筐体２の内部に設けられた温度センサ２１と、温度センサ２１と異なる位置に設けられた温度センサ２２と、温度センサ２１の計測値に基づく温度が第１閾値以上の場合、または、温度センサ２２の計測値に基づく温度が第１閾値よりも低い値に設定された第２閾値以上の場合に、ファン３１を駆動させるファン制御部とを具備する。【選択図】図１