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    • 6. 发明授权
    • Electric power converter
    • 电力转换器
    • US07515422B2
    • 2009-04-07
    • US11642717
    • 2006-12-21
    • Masayuki HirotaSatoshi IboriTomoya KamezawaJiangming MaoMasahiro Hiraga
    • Masayuki HirotaSatoshi IboriTomoya KamezawaJiangming MaoMasahiro Hiraga
    • H05K7/20
    • H02M7/003H02M1/36H05K7/20918
    • The present invention provides an electric power converter in which a tip portion of a cooling fin on an air flow inlet side is limited to flow a large quantity of air around a connection portion, where the fin efficiency is high, of a base surface of the cooling fin and the fin so that the cooling efficiency of the cooling fin can be improved. By providing the limiting member, air or atmosphere flowing into the cooling fin is directed to flow toward the fin near the base surface. Further, by providing the limiting member, an area of a portion from which the air or atmosphere flows into the cooling fin is also limited so that the velocity of the air or atmosphere flow becomes high. By these functions and the like, the cooling efficiency of the cooling fin can be increased as compared to the prior art.
    • 本发明提供一种电力转换器,其中,空气流入口侧的冷却片的前端部被限制为使散热效率高的连接部分周围的大量空气流过 冷却翅片和翅片,从而可以提高冷却翅片的冷却效率。 通过设置限制构件,流入冷却翅片的空气或大气被引向靠近基座表面的翅片流动。 此外,通过设置限制构件,空气或大气也从其流入冷却翅片的部分的面积也受到限制,使得空气或大气流的速度变高。 通过这些功能等,与现有技术相比,可以提高冷却翅片的冷却效率。
    • 8. 发明申请
    • Electric power converter
    • 电力转换器
    • US20070279864A1
    • 2007-12-06
    • US11642717
    • 2006-12-21
    • Masayuki HirotaSatoshi IboriTomoya KamezawaJiangming MaoMasahiro Hiraga
    • Masayuki HirotaSatoshi IboriTomoya KamezawaJiangming MaoMasahiro Hiraga
    • H05K7/20
    • H02M7/003H02M1/36H05K7/20918
    • The present invention provides an electric power converter in which a tip portion of a cooling fin on an air flow inlet side is limited to flow a large quantity of air around a connection portion, where the fin efficiency is high, of a base surface of the cooling fin and the fin so that the cooling efficiency of the cooling fin can be improved. By providing the limiting member, air or atmosphere flowing into the cooling fin is directed to flow toward the fin near the base surface. Further, by providing the limiting member, an area of a portion from which the air or atmosphere flows into the cooling fin is also limited so that the velocity of the air or atmosphere flow becomes high. By these functions and the like, the cooling efficiency of the cooling fin can be increased as compared to the prior art.0
    • 本发明提供一种电力转换器,其中,空气流入口侧的冷却片的前端部被限制为使散热效率高的连接部分周围的大量空气流过 冷却翅片和翅片,从而可以提高冷却翅片的冷却效率。 通过设置限制构件,流入冷却翅片的空气或大气被引向靠近基座表面的翅片流动。 此外,通过设置限制构件,空气或大气也从其流入冷却翅片的部分的面积也受到限制,使得空气或大气流的速度变高。 通过这些功能等,与现有技术相比,可以提高散热片的冷却效率