COOLING STRUCTURE

To ensure a tightening margin at low resilience, while at the same time improving a heat transfer performance.SOLUTION: A cooling structure has: a heating part; a heat radiation part which is at a lower temperature than that of the heating part; and a heat transfer body 30 which is interposed in a g...

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Bibliographische Detailangaben
Hauptverfasser: HANDA YUICHI, KOKETSU KAORU
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:To ensure a tightening margin at low resilience, while at the same time improving a heat transfer performance.SOLUTION: A cooling structure has: a heating part; a heat radiation part which is at a lower temperature than that of the heating part; and a heat transfer body 30 which is interposed in a gap between the heating part and the heat radiation part. The heat transfer body 30 has: a plurality of fins 36; and spring parts 35 which support both ends in a horizontal direction X of each of the fins 36. With elastic force of the spring parts 35, the fins 36 are biased in a rotational direction R around the horizontal axis so that one end in a vertical direction Zy of each of the fins 36 is pressed against the heating part, whereas the other end in the vertical direction Zy of each of the fins 36 is pressed against the heat radiation part.SELECTED DRAWING: Figure 2 【課題】低反発での締め代の確保と伝熱性能の向上との両立を可能にする。【解決手段】冷却構造は、発熱部と、発熱部よりも低温になる放熱部と、発熱部と放熱部との間隔に介装されている伝熱体30とを有する。伝熱体30は、複数のフィン36と、各フィン36の横方向Xの両端部を支持するバネ部35を有する。そのバネ部35の弾性力によりフィン36が横軸回り方向Rに付勢されることにより、フィン36における縦方向Zyの一端部が発熱部に押し付けられると共に、フィン36における縦方向Zyの他端部が放熱部に押し付けられている。【選択図】図2