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    • 2. 发明专利
    • Cooler
    • 冷却器
    • JP2013214618A
    • 2013-10-17
    • JP2012084073
    • 2012-04-02
    • Mitsubishi Electric Corp三菱電機株式会社
    • KURAKI YASUSHIGENAKAGAWA DAISUKEYAMAUCHI EIJI
    • H01L23/473H05K7/20
    • H01L2924/0002H01L2924/00
    • PROBLEM TO BE SOLVED: To provide a cooler having a high cooling performance capable of avoiding unnecessary temperature rise of a coolant and reducing pressure loss of the coolant.SOLUTION: A cooler 100 for cooling a semiconductor device 1002 includes: an installation surface 150 of the semiconductor device 1002; a coolant inflow port 101 disposed on a periphery of the cooler 100; a coolant outflow port 104 disposed on the periphery of the coolant 100; a first flow channel 102 disposed in the coolant 100; a second flow channel 103 disposed in the cooler 100; coolant flow channels 112, 122, and 132 disposed closer to the installation surface 150 side than to the first flow channel 102 and the second flow channel 103; third flow channels 111, 121, and 131 connecting the first flow channel 102 and the coolant flow channels 112, 122, and 132 and having a smaller cross-sectional area than the coolant flow channels 112, 122, and 132; and fourth flow channels 113, 123, and 133 connecting the second flow channel 103 and the coolant flow channels 112, 122, and 132.
    • 要解决的问题:提供一种具有高冷却性能的冷却器,其能够避免冷却剂的不必要的温度上升并减少冷却剂的压力损失。解决方案:用于冷却半导体装置1002的冷却器100包括:安装表面150 半导体装置1002; 设置在冷却器100的周边的冷却剂流入口101; 设置在冷却剂100的周边上的冷却剂流出口104; 布置在冷却剂100中的第一流动通道102; 设置在冷却器100中的第二流路103; 设置在比第一流动通道102和第二流动通道103更靠近安装表面150侧的冷却剂流动通道112,122和132; 连接第一流动通道102和冷却剂流动通道112,122和132并且具有比冷却剂流动通道112,122和132更小的横截面面积的第三流动通道111,121和131; 以及连接第二流动通道103和冷却剂流动通道112,122和132的第四流动通道113,123和133。
    • 4. 发明专利
    • Synchronous machine control unit for vehicle
    • 车用同步机控制单元
    • JP2010252412A
    • 2010-11-04
    • JP2009095960
    • 2009-04-10
    • Mitsubishi Electric Corp三菱電機株式会社
    • KURAKI YASUSHIGEKONO MASAKIAZUMA SATOSHI
    • H02P27/06B60L3/00H02P21/00H02P27/04
    • Y02T10/642Y02T10/7241
    • PROBLEM TO BE SOLVED: To provide a synchronous machine control unit for vehicles that makes a control system for continuing an operation simpler than before even if temporarily stopping power supply under a high-speed operation or a deceleration operation, improves stability and responsiveness, and reduces costs.
      SOLUTION: When power supply is stopped under the high-speed operation of a permanent magnet synchronous motor 11, a control means 20 continues weak field control such that an induced voltage of the permanent magnet synchronous motor 11 does not exceed a DC voltage of a capacitor 9 to an inverter 10, and performs torque control such that the operation continues smoothly. When the power supply is stopped under the deceleration operation of the permanent magnet synchronous motor 11, torque control is performed to the inverter 10 such that occurrence of brake torque continues, and control is performed such that power generated by the inverter 10 becomes zero. In this case, the control means 20 independently controls a d-axis current command and a q-axis current command each.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了提供一种用于车辆的同步机控制单元,即使在高速运行或减速操作下临时停止供电的情况下,使得用于继续操作的操作更简单的控制系统,提高了稳定性和响应性 ,并降低成本。 解决方案:在永磁同步电动机11的高速运转下停止供电时,控制装置20继续进行弱磁场控制,使永磁同步电动机11的感应电压不超过直流电压 的电容器9连接到逆变器10,并且执行转矩控制,使得操作顺利地继续。 当在永磁同步电动机11的减速操作下停止供电时,对变频器10进行转矩控制,使得制动转矩的发生继续进行,并且进行控制,使得由逆变器10产生的电力变为零。 在这种情况下,控制装置20分别独立地控制d轴电流指令和q轴电流指令。 版权所有(C)2011,JPO&INPIT
    • 5. 发明专利
    • コンデンサモジュール
    • 电容器模块
    • JP2015015394A
    • 2015-01-22
    • JP2013141889
    • 2013-07-05
    • 三菱電機株式会社Mitsubishi Electric Corp
    • KURAKI YASUSHIGE
    • H01G2/04H01G2/08H01G4/38H02M7/48
    • 【課題】コンデンサモジュールの発熱を効率的に冷却することが可能となるコンデンサモジュールを得る。【解決手段】モジュールケース130内に配置された複数のコンデンサと、モジュールケース130に接して配置され、コンデンサを冷却する冷却部1000と、複数のコンデンサの正極端子と負極端子とをそれぞれ接続する一対の金属部材140,150とを備え、金属部材140,150は、コンデンサに接続する板状部を有し、冷却部1000の最も温度の低い位置に対応して配置されたコンデンサに接続する板状部のインダクタンスが他のコンデンサに接続する板状部のインダクタンスよりも低くなるように構成されたものである。【選択図】図1
    • 要解决的问题:提供一种能够有效地冷却其热量的电容器模块。解决方案:电容器模块包括:布置在模块壳体130内的多个电容器; 布置成与模块壳体130接触的冷却部件1000,用于冷却电容器; 以及用于分别连接多个电容器的正极端子和负极端子的一对金属构件140,150。 金属构件140,150具有要连接到电容器的板状部件。 要连接到相应于具有最低温度的冷却部件1000的位置的电容器的板状部件的电感被制成低于要连接到其它电容器的板状部件的电感。
    • 6. 发明专利
    • Flyback transformer
    • FLYBACK变压器
    • JP2013214582A
    • 2013-10-17
    • JP2012083466
    • 2012-04-02
    • Mitsubishi Electric Corp三菱電機株式会社
    • KURAKI YASUSHIGEHATAKEI AKIRATAKEZAWA RYUICHI
    • H01F38/42H02M3/28
    • PROBLEM TO BE SOLVED: To provide a flyback transformer that implements low noise and low loss simultaneously.SOLUTION: A tertiary winding 300, a primary winding 100 having first to third coils 101-103 connected in series, and a secondary winding 200 are wound on a leg portion 20a of an iron core 20. The primary winding 100 is connected to a DC power supply via an unshown power converting on-off element connected to the first coil 101. Power on the secondary winding generated by an on-off action of the on-off element is used to drive switching elements of a power converter, and power on the tertiary winding is supplied to another load. A distance of the secondary winding 200 from the first coil 101 experiencing the greatest voltage variation under the on-off action of the on-off element can reduce a high frequency noise current flowing owing to a stray capacitance therebetween. The intervention of the tertiary winding 300 can increase the distance between the first coil 101 and the leg portion 20a to reduce a high frequency noise current flowing owing to a stray capacitance therebetween and an eddy current loss of the primary winding 100 owing to a leakage flux about an air gap.
    • 要解决的问题:提供同时实现低噪声和低损耗的回扫变压器。解决方案:三次绕组300,具有串联连接的第一至第三线圈101-103和次级绕组200的初级绕组100缠绕在 铁芯20的脚部20a。初级绕组100通过与第一线圈101连接的未示出的功率转换开关元件连接到DC电源。通过开关动作产生的次级绕组的功率 开关元件用于驱动功率转换器的开关元件,并且三次绕组上的电源被提供给另一个负载。 在断开元件的开 - 关动作下经历最大电压变化的次级绕组200与第一线圈101的距离可以减少由于它们之间的杂散电容而流动的高频噪声电流。 三次绕组300的干预可以增加第一线圈101和腿部20a之间的距离,以减少由于其间的杂散电容而流动的高频噪声电流和由于漏磁通而导致的初级绕组100的涡流损耗 关于气隙。
    • 7. 发明专利
    • Rotating electric machine device
    • 旋转电机装置
    • JP2012257356A
    • 2012-12-27
    • JP2011127908
    • 2011-06-08
    • Mitsubishi Electric Corp三菱電機株式会社
    • WATABE KAZUYOSHIKURAKI YASUSHIGE
    • H02M7/48H02K9/19H02K9/22H02K11/00
    • Y02T10/641
    • PROBLEM TO BE SOLVED: To provide a rotating electric machine device that is an integration of a rotating electric machine and a driving circuit thereof, in which structure of the driving circuit is simplified and detachability of the driving circuit is improved.SOLUTION: A rotating electric machine device comprises: a rotating electric machine 1; a driving circuit 2 for supplying electric power to the rotating electric machine 1 by converting DC power to AC power with a switching element 51 connected between a high tension side DC bas 3 and a low tension side DC bus 4; and a liquid-cooled heat sink 8 having a first surface on which the rotating electric machine 1 is disposed and a second surface opposite to the first surface, on which the switching element 51 of the driving circuit 2 is disposed. The high tension side DC bas 3 and the low tension side DC bus 4 are arranged to be insulated from each other via an insulator, forming a DC bus unit 90 by being laminated in layers. The DC bus unit 90 is disposed so as to face the second surface of the liquid-cooled heat sink 8, and the DC bus unit 90 is connected to a DC bus power supply line from a DC power source on the surface opposite to the surface where the DC bus unit 90 faces the liquid-cooled heat sink 8.
    • 要解决的问题:提供一种旋转电机装置,其是旋转电机及其驱动电路的集成,其中驱动电路的结构简化并且驱动电路的可拆卸性得到改善。 旋转电机装置包括:旋转电机1; 驱动电路2,用于通过连接在高压侧DC bas 3和低压侧DC总线4之间的开关元件51将DC电力转换成AC电力来向旋转电机1供电; 以及具有设置有旋转电机1的第一面的液冷式散热器8和配置有驱动电路2的开关元件51的与第一面相反的第二面。 高压侧DC bas 3和低压侧DC总线4经由绝缘体彼此绝缘地布置,通过层叠形成DC总线单元90。 DC总线单元90配置成与液冷式散热器8的第二面对置,直流母线单元90与直流电源在与表面相反的面上与直流电源线连接 DC总线单元90面向液冷散热器8.版权所有(C)2013,JPO&INPIT
    • 9. 发明专利
    • Uninterruptible power supply apparatus
    • 不间断电源设备
    • JP2011147252A
    • 2011-07-28
    • JP2010005399
    • 2010-01-14
    • Mitsubishi Electric CorpToshiba Mitsubishi-Electric Industrial System Corp三菱電機株式会社東芝三菱電機産業システム株式会社
    • KURAKI YASUSHIGEAZUMA SATOSHIKINOSHITA MASAHIRO
    • H02M7/48H02J9/06H02M1/12
    • PROBLEM TO BE SOLVED: To obtain an uninterruptible power supply apparatus capable of suppressing a leakage current flowing through an AC power supply apparatus and a load. SOLUTION: A converter 4 for the converter 3 is connected to the AC power supply apparatus 1 through a filter 2 on the input side and converts AC into DC, and the inverter 7 is connected to the converter 4 through a DC bus 6, converts DC into AC, and supplies the load 15 with AC through the filter 8 on the output side. A battery 12 is connected to the DC bus 6 through a DC-DC converter 11 and transmits and receives a power to/from the converter 3. Neutral points for capacitors 2b and 8b on the input side and the output side are connected mutually and grounded through a bypass capacitor 21, and a leakage current by a stray capacitance is reduced. The battery 12 is grounded through a circulating capacitor 22, a voltage canceling a common-mode voltage Vcom generated in the bypass capacitor 21 and the common-mode voltage Vc generated in the DC bus is generated by a control circuit 28 and the leakage current returning from the converter 3 to the AC power supply apparatus 1 and the load 15 is suppressed. COPYRIGHT: (C)2011,JPO&INPIT
    • 解决的问题:获得能够抑制流经交流电源装置和负载的漏电流的不间断电源装置。 解决方案:转换器3的A转换器4通过输入侧的滤波器2连接到AC电源装置1,并将AC转换为DC,并且逆变器7通过DC总线6连接到转换器4 将DC转换为AC,并通过输出侧的滤波器8向负载15供电。 电池12通过DC-DC转换器11连接到DC总线6,并且向转换器3发送和接收电力。输入侧和输出侧的电容器2b和8b的中性点相互连接并接地 通过旁路电容器21,并且通过杂散电容的漏电流减小。 电池12通过循环电容器22接地,消除在旁路电容器21中产生的共模电压Vcom的电压和在DC总线中产生的共模电压Vc由控制电路28产生,漏电流返回 从转换器3到交流电源装置1和负载15被抑制。 版权所有(C)2011,JPO&INPIT
    • 10. 发明专利
    • Power converter
    • 电源转换器
    • JP2011147251A
    • 2011-07-28
    • JP2010005371
    • 2010-01-14
    • Mitsubishi Electric CorpToshiba Mitsubishi-Electric Industrial System Corp三菱電機株式会社東芝三菱電機産業システム株式会社
    • AZUMA SATOSHIKURAKI YASUSHIGEKINOSHITA MASAHIRO
    • H02M7/48H02M1/44
    • PROBLEM TO BE SOLVED: To provide a power converter capable of suppressing a leakage current flowing to an AC power source and a load. SOLUTION: A converter 11 is connected to an AC power source through an input-side filter 2 to convert AC to DC. An inverter 12 is connected to the converter 11 through a DC bus line 15, and converts DC to AC which is supplied to a load through an output-side filter 3. Neutral points of input-side and output-side capacitors 22 and 32 are connected together using a connection line 16, and the connection line 16 is grounded using a capacitor 5, resulting in reduced leakage current caused by stray capacitance. In a bridge circuit 100, an input side is connected to a DC bus line 15 and an output side is grounded by a serial circuit of a reactor 101 and a capacitor 102. A control circuit 200 generates in the capacitor 102 a voltage which cancels a common mode voltage VCEN that occurs at the capacitor 5 and a common mode voltage Vc that occurs at the DC bus line 15 to suppress the leakage current that reflows from a converter 1 to an AC power source and a load. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供能够抑制流入AC电源和负载的漏电流的电力转换器。 解决方案:A转换器11通过输入侧滤波器2连接到AC电源,以将AC转换成DC。 逆变器12通过DC总线15连接到转换器11,并且通过输出侧滤波器3将供给到负载的DC转换为AC。输入侧和输出侧电容器22和32的中性点为 使用连接线16连接在一起,并且连接线16使用电容器5接地,导致由寄生电容引起的漏电流减少。 在桥式电路100中,输入侧连接到DC总线15,并且输出侧由电抗器101和电容器102的串联电路接地。控制电路200在电容器102中产生一个电压, 在电容器5处发生的共模电压VCEN和在DC总线15发生的共模电压Vc,以抑制从转换器1回流到AC电源和负载的漏电流。 版权所有(C)2011,JPO&INPIT