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    • 2. 发明专利
    • Heat radiation device for power conversion module
    • 用于功率转换模块的热辐射装置
    • JP2012095517A
    • 2012-05-17
    • JP2011055065
    • 2011-03-14
    • Samsung Electro-Mechanics Co Ltdサムソン エレクトロ−メカニックス カンパニーリミテッド.
    • SOHN YOUNG HOHAN KYU-BUMJEO YONG JINCHOI SHON-MUN
    • H02M3/00H02M7/48
    • H05K7/209H05K7/20409
    • PROBLEM TO BE SOLVED: To provide a heat radiation device for a power conversion module that has its weight and size reduced by having a case where a heat radiation fin is partly formed and a high heat radiation heat sink is attached, that can improve the heat radiation performance by radiating the heat at the same time via the case including the heat radiation fin and the high heat radiation heat sink, and that can maximize the effect by optimizing the design in a manner that the high heat radiation heat sink is attached to a high heat generation part.SOLUTION: A heat radiation device for a power conversion module according to the present invention includes: a case including a heat radiation fin part in which plural heat radiation fins are stacked and a space part; a high heat radiation heat sink attached to the space part of the case; and a circuit board coupled with a lower part of the case.
    • 要解决的问题:为了提供一种功率转换模块的散热装置,其具有通过具有部分形成散热片并且附接有高散热散热器的情况而减小其重量和尺寸,这可以 通过包括散热片和高散热片的外壳同时散发热量来提高散热性能,通过以高热辐射散热片的方式优化设计,可最大限度地发挥效果 附着于高发热部分。 解决方案:根据本发明的用于电力转换模块的散热装置包括:壳体,包括多个散热翅片堆叠的散热片部分和空间部分; 附着在壳体的空间部分的高散热散热器; 以及与壳体的下部连接的电路板。 版权所有(C)2012,JPO&INPIT
    • 3. 发明专利
    • Charging equipment of variable frequency control for power factor
    • 电力系统可变频率控制充电设备
    • JP2012090515A
    • 2012-05-10
    • JP2010290421
    • 2010-12-27
    • Samsung Electro-Mechanics Co Ltdサムソン エレクトロ−メカニックス カンパニーリミテッド.
    • JEO YONG JINHAN KYU-BUM
    • H02M3/28
    • H02M1/4225H02J7/022H02M3/3384H02M2001/0032H02M2001/007Y02B40/90Y02B70/126Y02B70/16
    • PROBLEM TO BE SOLVED: To provide a charging equipment of variable frequency control for power factor capable of improving power conversion efficiency (power factor) by sensing a load status of a battery to operate switching devices with a switching frequency relatively lower in a light load status than that in a heavy load status.SOLUTION: The present invention relates to a charging equipment of variable frequency control for power factor and provides the charging equipment of variable frequency control for power factor including: an AC-DC converter 12 converting AC power into DC power; a power factor calibration circuit 13 calibrating power factor by the operation of the switching device and outputting the calibrated power factor; a DC-DC converter 14 converting DC power output from the power factor calibration circuit 13 into DC power for charging a battery and outputting the converted DC power; and a power factor calibration circuit controller 18 performing the switching control by varying the frequency of the pulse signal when performing a switching control by modulating a pulse width of a pulse signal on the switching devices of the power factor calibration circuit 13, thereby making it possible to maintain the power factor even in the light load status.
    • 要解决的问题:提供一种用于功率因数的可变频率控制的充电设备,其能够通过感测电池的负载状态来提高功率转换效率(功率因数),以操作具有相对较低的开关频率的开关装置 轻负载状态比重负载状态。 解决方案:本发明涉及一种用于功率因数变频调速的充电设备,并为功率因数提供可变频率控制的充电设备,包括:将AC电力转换为DC电力的AC-DC转换器12; 功率因数校准电路13,通过开关装置的动作校准功率因数,并输出校准的功率因数; 将从功率因数校准电路13输出的直流电力转换成直流电的DC-DC转换器14,对电池充电并输出转换后的直流电力; 以及功率因数校准电路控制器18,通过在功率因数校准电路13的开关器件上调制脉冲信号的脉冲宽度来进行切换控制时,通过改变脉冲信号的频率来进行切换控制,从而使其成为可能 即使在轻载状态下也能维持功率因数。 版权所有(C)2012,JPO&INPIT