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    • 81. 发明专利
    • Reactor device
    • 反应器装置
    • JP2012023083A
    • 2012-02-02
    • JP2010157737
    • 2010-07-12
    • Mitsubishi Electric Corp三菱電機株式会社
    • KOBAYASHI MASARUMITSUI TAKAOISHII RYUICHIIKEDA MATAHIKOMAEKAWA HIROTOSHI
    • H01F37/00
    • PROBLEM TO BE SOLVED: To provide a reactor device which has an improved heat dissipation performance, while ensuring sufficient insulating properties for automotive applications.SOLUTION: A reactor device 1 comprises: a metal case 2; a dielectric component 3 housed in the metal case 2; and mold resin 4, in the metal case 2, having the dielectric component 3 immersed therein. The metal case 2 is placed on a cooling heat sink 11 for dissipating heat. The dielectric component 3 is composed of a combination of insulating bobbins 5a and 5b, a coil 6, and cores 7a and 7b, and allows these parts to be closely arranged, while satisfying the insulating property required between a wound portion 62 of the coil 6 and the metal case 2 by using projections 51a and 51b extending from the insulating bobbins 5a and 5b, respectively. Thus, the heat dissipation performance of the coil can be significantly improved even in a narrow gap where it is difficult to fill the mold resin 4.
    • 要解决的问题:提供具有改善的散热性能的反应器装置,同时确保汽车应用的足够的绝缘性能。 解决方案:反应器装置1包括:金属壳体2; 容纳在金属壳体2内的电介质部件3; 和金属壳体2中的模具树脂4,其中介电部件3浸没在其中。 将金属壳体2放置在散热用散热器11上。 电介质部件3由绝缘筒管5a和5b,线圈6和芯体7a和7b的组合构成,并且允许这些部件紧密配置,同时满足线圈6的卷绕部分62之间所需的绝缘性能 和金属壳体2,分别使用从绝缘筒管5a和5b延伸的突起51a和51b。 因此,即使在难以填充模制树脂4的狭窄间隙中,也可以显着提高线圈的散热性能。版权所有(C)2012,JPO&INPIT
    • 82. 发明专利
    • Dc/dc voltage converter
    • 直流/直流电压转换器
    • JP2011229247A
    • 2011-11-10
    • JP2010095598
    • 2010-04-19
    • Mitsubishi Electric Corp三菱電機株式会社
    • KOBAYASHI MASARUIKEDA MATAHIKOMAEKAWA HIROTOSHINISHIYAMA RYOJI
    • H02M3/155
    • PROBLEM TO BE SOLVED: To provide a DC/DC voltage converter which is made compact and light in weight while achieving efficiency improvement and an increase in output power capacity in comparison with the conventional DC/DC voltage converter, and secures the endurance reliability required in the device by preventing the occurrence of audible noise.SOLUTION: The DC/DC voltage converter includes: a conversion main circuit 2 provided with field effect transistors FET1 to FET4 made of a wide bandgap semiconductor material, an inductor L, an energy transition capacitor C0, and smoothing capacitors C1, C2, such that a pair of FETs of each set with FET1 and FET4 as a set, and FET2 and FET3 as a set has a complementary relation, making on and off opposite; and a control unit 3 for performing on/off control of FET1 to FET4 with a switching frequency that is equal to or greater than the upper limit of an audible frequency.
    • 要解决的问题:与传统的DC / DC电压转换器相比,提供一种实现效率提高和输出功率容量增加的紧凑重量轻的DC / DC电压转换器,并且确保耐久性 通过防止可听见的噪音的发生,设备所需的可靠性。 解决方案:DC / DC电压转换器包括:转换主电路2,其设置有由宽带隙半导体材料制成的场效应晶体管FET1至FET4,电感器L,能量转换电容器C0和平滑电容器C1,C2 使得每个FET的一对FET以FET1和FET4为一组,FET2和FET3作为一组具有互补关系,使其相反; 以及控制单元3,用于以等于或大于可听频率的上限的开关频率来执行FET1至FET4的导通/截止控制。 版权所有(C)2012,JPO&INPIT
    • 83. 发明专利
    • Power module
    • 电源模块
    • JP2011078217A
    • 2011-04-14
    • JP2009227470
    • 2009-09-30
    • Mitsubishi Electric Corp三菱電機株式会社
    • KOBAYASHI MASARUIKEDA MATAHIKOMAEKAWA HIROTOSHIMITSUI TAKAOISHII RYUICHIMORITAKE NAOKI
    • H02M7/48H01L23/473
    • H01L2924/0002H01L2924/00
    • PROBLEM TO BE SOLVED: To obtain a power module that is compact, has superior heat dissipation properties, is integrally composed of a semiconductor device incorporating a power semiconductor, a reactor device, and a heat sink, and is suitable for on-board use. SOLUTION: A fluid vessel 4, the reactor device 2, and the semiconductor device 3 are integrally composed as the power module. The reactor device 2 includes a base structure 6 comprising a metal base 61 and a molded resin material 62, a dielectric component 7, and a case 8. The molded resin material 62 is fitted into the fluid vessel 4 opposingly, prevents leakage of a cooling fluid, and easily positions the dielectric component 7 for support. Heat generated by the dielectric component 7 conducts inside the metal base 61 for radiation to the cooling fluid circulating inside the fluid vessel. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题为了获得紧凑的功率模块,具有优异的散热性,由并入功率半导体,反应器装置和散热器的半导体器件整体地组成, 董事会使用。 解决方案:流体容器4,反应器装置2和半导体装置3一体地组成为电源模块。 反应器装置2包括基底结构6,其包括金属基底61和模制树脂材料62,电介质部件7和壳体8.模制树脂材料62相对地装配到流体容器4中,防止冷却 流体,并且容易地定位用于支撑的介电部件7。 由介质部件7产生的热量在金属基体61的内部导通,以便辐射到在流体容器内循环的冷却流体。 版权所有(C)2011,JPO&INPIT
    • 85. 发明专利
    • Dc/dc power converter
    • DC / DC电源转换器
    • JP2009195048A
    • 2009-08-27
    • JP2008034229
    • 2008-02-15
    • Mitsubishi Electric Corp三菱電機株式会社
    • IKEDA MATAHIKOURAKABE TAKAHIROIWATA AKIHIKOMAEKAWA HIROTOSHIKIKUNAGA TOSHIYUKIKOBAYASHI MASARUOKUDA TATSUYA
    • H02M3/07
    • PROBLEM TO BE SOLVED: To enable a DC/DC power converter for transferring energy by causing respective capacitors to charge/discharge using a voltage difference between the capacitors to initially charge up respective capacitors without allowing excess current to flow at the start of the converter. SOLUTION: Circuits connecting two-serial MOSFETs between both terminals of a smoothing capacitor Cs are connected serially, and a power supply device 2 is connected to the input side of a power converting circuit CONV1 disposing serial units LC4 each consisting of a capacitor Cr and an inductor at an equal resonance frequency between the circuits. At the start thereof, the smoothing capacitor Cs1 is initially charged up from a battery Vbatt through an inrush current preventing resistance R1 and a gate signal to each of the MOSFETs in the power converting circuit CONV1 is generated, so that each of the smoothing capacitors Cs and capacitors Cr is initially charged up gradually. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了使DC / DC电力转换器能够通过使用各个电容器使用电容器之间的电压差进行充电/放电来传输能量,以开始对相应的电容器充电,而不会在开始时使过量电流流动 转换器。 解决方案:平滑电容器Cs的两个端子之间连接双串联MOSFET的电路串联连接,电源装置2连接到功率转换电路CONV1的输入侧,电源转换电路CONV1设置串联单元LC4,每个串联单元LC4由电容器 Cr和电感之间的谐振频率相等。 在开始时,平滑电容器Cs1从电池Vbatt开始通过浪涌电流防止电阻R1被充电,并且产生到功率转换电路CONV1中的每个MOSFET的栅极信号,使得每个平滑电容器Cs 并且电容器Cr最初逐渐充电。 版权所有(C)2009,JPO&INPIT
    • 86. 发明专利
    • Heat sink and electric apparatus
    • 散热电器
    • JP2009176871A
    • 2009-08-06
    • JP2008012650
    • 2008-01-23
    • Mitsubishi Electric Corp三菱電機株式会社
    • AKIYOSHI MASAOMAEKAWA HIROTOSHIKOBAYASHI MASARUISHIBASHI SEIJIMATSUO HARUYUKI
    • H01L23/473H05K7/20
    • PROBLEM TO BE SOLVED: To provide a compact heat sink having higher cooling performance which can be assembled easily and also provide an electric apparatus including the same heat sink.
      SOLUTION: The heat sink (10) is mounted to a heating element and cools the heating element. The heat sink includes: a housing 14 forming a first coolant flowing route 36 and a second coolant flowing route 28 adjacent to the first coolant flowing route 36; a separating wall 44 arranged between the first and second coolant flowing routes 36, 38 to separate the first and second coolant flowing routes 36, 38; and a plurality of first fins 40 protruded to the first coolant flowing route 36 and a plurality of second fins 42 protruded to the second coolant flowing route 38, both fins being integrally formed to the housing 14.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供具有较高冷却性能的紧凑型散热器,其可以容易地组装,并且还提供包括相同散热器的电气设备。 解决方案:散热片(10)安装在加热元件上并冷却加热元件。 散热器包括:形成第一冷却剂流动路径36的壳体14和邻近第一冷却剂流动路径36的第二冷却剂流动路径28; 布置在第一和第二冷却剂流动路线36,38之间以分离第一和第二冷却剂流动路线36,38的分隔壁44; 以及突出到第一冷却剂流动路径36的多个第一散热片40和突出到第二冷却剂流动路径38的多个第二散热片42,两个散热片一体形成在壳体14上。版权所有(C)2009 ,JPO&INPIT
    • 88. 发明专利
    • Dc/dc power converter
    • DC / DC电源转换器
    • JP2009017772A
    • 2009-01-22
    • JP2008063815
    • 2008-03-13
    • Mitsubishi Electric Corp三菱電機株式会社
    • URAKABE TAKAHIROIKEDA MATAHIKOIWATA AKIHIKOMAEKAWA HIROTOSHIKIKUNAGA TOSHIYUKIKOBAYASHI MASARUOKUDA TATSUYA
    • H02M3/155H02M3/07H02M7/10
    • PROBLEM TO BE SOLVED: To control output voltage by keeping high power conversion efficiency in a DC/DC power converter utilizing charge/discharge in capacitors between circuits by parallel disposing smoothing capacitors by a plurality of circuits constituted of a driving inverter circuit and a rectifying circuit. SOLUTION: Four-stepped circuits A1 to A4 where two series MOSFET's are connected between both terminals of each smoothing capacitor Cs1 to Cs4 are connected in series, and are provided with a capacitor-type DC/DC power conversion circuit 1 that performs power conversion by quadruplicating (or quarter fold) input/output voltage ratio by charging/discharging capacitors Cr, disposed between each circuit and an inductor-type DC/DC conversion circuit 2 composed of two series MOSFET's and a coil Lc. One input/output voltage terminal pair (VA, Vcom) of the inductor-type DC/DC power conversion circuit 2 is connected to one input/output voltage terminal pair of the capacitor-type DC/DC power conversion circuit 1, and the high-voltage side input/output voltage or the low-voltage side input/output voltage of the capacitor-type DC/DC power conversion circuit 1 is controlled by the inductor-type DC/DC power conversion circuit 2. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:通过在电路之间的电容器中利用充电/放电来保持高功率转换效率来控制输出电压,通过由驱动逆变器电路和驱动逆变器电路构成的多个电路并联设置平滑电容器 整流电路。

      解决方案:连接在每个平滑电容器Cs1至Cs4的两个端子之间的两个串联MOSFET的四级电路A1至A4串联连接,并且设置有电容器型DC / DC电力转换电路1,其执行 通过对每个电路和由两个串联MOSFET和线圈Lc组成的电感型DC / DC转换电路2之间的电容器Cr进行充电/放电来对输入/输出电压比进行一倍(或四分之一倍)的功率转换。 电感型DC / DC电力转换电路2的一个输入/输出电压端子对(VA,Vcom)连接到电容器型DC / DC电力转换电路1的一个输入/输出电压端子对,高电平 电容式DC / DC电力转换电路1的电压侧输入/输出电压或低压侧输入/输出电压由电感型DC / DC电力转换电路2控制。版权所有(C) C)2009年,JPO&INPIT