会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明专利
    • Power conversion apparatus
    • 功率转换装置
    • JP2010115089A
    • 2010-05-20
    • JP2008287811
    • 2008-11-10
    • Mitsubishi Electric Corp三菱電機株式会社
    • ISHII RYUICHIKURAMOTO YUJIHAYASHI RYOHEIKAMIKURA NORIAKI
    • H02M7/48
    • PROBLEM TO BE SOLVED: To provide a compact and low-noise power conversion apparatus that reduces the noise generated by a smoothing capacitor. SOLUTION: The power conversion apparatus includes a power conversion section that performs power conversion between the direct current and alternating current using a switching operation of switching elements, a control circuit for controlling the switching operation of the switching elements, a smoothing capacitor for suppressing variations in a supply voltage to be supplied to the switching elements, a case for fixing the smoothing capacitor and housing the switching elements and the smoothing capacitor, and a cooling member fixed to the case for cooling the switching elements. A vibration-proof member is inserted between the cooling member and the case to reduce the noise generated due to the ripple of the direct current voltage or the direct current to be supplied to the power conversion section. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种紧凑且低噪声的功率转换装置,其降低由平滑电容器产生的噪声。 解决方案:电力转换装置包括:功率转换部,其使用开关元件的开关动作进行直流电和交流电之间的电力转换;控制电路,用于控制开关元件的开关动作;平滑电容器, 抑制供给到开关元件的电源电压的变化,固定平滑电容器并容纳开关元件和平滑电容器的壳体,以及固定到用于冷却开关元件的壳体的冷却构件。 在冷却部件和壳体之间插入防振部件,以减少由于直流电压的波纹或要供给到电力转换部的直流电流而产生的噪声。 版权所有(C)2010,JPO&INPIT
    • 3. 发明专利
    • Capacitor module with fuse, and capacitor module device
    • 具有保险丝和电容器模块的电容器模块
    • JP2005243926A
    • 2005-09-08
    • JP2004051822
    • 2004-02-26
    • Mitsubishi Electric Corp三菱電機株式会社
    • YOKOTA HIROOISHIBASHI SEIJIKURAMOTO YUJI
    • H01G2/16H01G4/40
    • PROBLEM TO BE SOLVED: To provide a highly reliable capacitor module with a fuse which can prevent a ceramic capacitor from breaking and scattering due to heat generation in fuse meltdown at a low price.
      SOLUTION: The capacitor module with a fuse wherein a ceramic capacitor 1 and a fuse 2 are connected in series and constituted integrally on a first surface of a substrate 3 has a first conductor 4 formed in one end side of a second surface of the substrate 3, a second conductor 5 which is insulated from the first conductor 4 and formed in the second surface of the substrate 3, and a third conductor 6 which is insulated from the first conductor 4 and the second conductor 5 and formed in the other end side of the second surface of the substrate 3. One end of the fuse 2 is connected to the first conductor 4, the other end is connected to the second conductor 5, the first electrode of the ceramic capacitor 1 is connected to the second conductor 5, and a second electrode of the ceramic capacitor 1 is connected to the third conductor 6.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种具有保险丝的高度可靠的电容器模块,其可以防止陶瓷电容器由于熔丝熔断而以低价格发热而破裂和散射。 解决方案:具有保险丝的电容器模块,其中陶瓷电容器1和保险丝2串联连接并整体地构成在基板3的第一表面上,具有形成在第一表面的第二表面的一个端侧的第一导体4 基板3,与第一导体4绝缘并形成在基板3的第二表面中的第二导体5和与第一导体4和第二导体5绝缘并形成在另一个中的第三导体6 保险丝2的一端连接到第一导体4,另一端连接到第二导体5,陶瓷电容器1的第一电极连接到第二导体 5,陶瓷电容器1的第二电极连接到第三导体6.(C)2005年,JPO&NCIPI
    • 5. 发明专利
    • Temperature correction method for current sensor device, power conversion device and power sensor device
    • 电流传感器装置的温度校正方法,功率转换装置和功率传感器装置
    • JP2009281881A
    • 2009-12-03
    • JP2008134524
    • 2008-05-22
    • Mitsubishi Electric Corp三菱電機株式会社
    • TANAKA FUMITOKURAMOTO YUJIIWAKIRI TAISUKE
    • G01R19/00G01R15/20
    • PROBLEM TO BE SOLVED: To reduce the processing cost required for adjustment operation for suppressing individual differences and variation in temperature of output signals of a current sensor device; to shorten the adjustment time; and to raise yields.
      SOLUTION: In a power conversion device 9, a current sensor device 1, in which a current sensor circuit 2 and a memory device 3 which is a memory means for memorizing detection value correction information to correct the output voltage of the current sensor circuit 2 are disposed on the same printed board, is integrated with a drive circuit 4 for driving the power conversion device 9 by disposing them in the same unit, and a thermosensitive element 8 for measuring the ambient temperature of the current sensor circuit 2 is also provided. The temperature characteristic of a physical quantity conversion factor G is memorized in the memory device 3 as detection value correction information, and thus, temperature correction including individual differences of the physical quantity conversion factor G of each current sensor circuit 2 is performed. As this device does not require a conventional trimming device, it reduces the processing cost required for adjustment operation, shortens the adjustment time, and raises the yields.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:为了减少用于抑制电流传感器装置的输出信号的个体差异和温度变化的调整操作所需的处理成本; 缩短调整时间; 并提高收益。 解决方案:在电力转换装置9中,电流传感器装置1,其中电流传感器电路2和存储装置3是存储装置,用于存储检测值校正信息以校正电流传感器的输出电压 电路2设置在相同的印刷电路板上,与用于通过将电力转换装置9配置在相同的单元中来驱动电力转换装置9的驱动电路4集成,并且用于测量电流传感器电路2的环境温度的热敏元件8也是 提供。 物理量转换因子G的温度特性被存储在存储装置3中作为检测值校正信息,因此,执行包括每个电流传感器电路2的物理量转换因子G的个体差异的温度校正。 由于该装置不需要常规的修整装置,所以减少了调整操作所需的处理成本,缩短了调整时间,提高了产量。 版权所有(C)2010,JPO&INPIT
    • 6. 发明专利
    • Power conversion apparatus
    • 功率转换装置
    • JP2008295238A
    • 2008-12-04
    • JP2007139411
    • 2007-05-25
    • Mitsubishi Electric Corp三菱電機株式会社
    • KAMIKURA NORIAKIISHII RYUICHIKURAMOTO YUJI
    • H02M7/48
    • PROBLEM TO BE SOLVED: To provide a power conversion apparatus capable of being downsized as a whole by supplying DC current to a power conversion semiconductor device through a bus bar for a capacitor from a DC power supply to achieve size reduction in a bus bar for supplying power. SOLUTION: This power conversion apparatus includes: a pair of bus bars 3 for supplying power having a pair of connecting terminals for a power supply connected to the DC power supply on one end portion; a smoothing capacitor module 4 having a pair of bus bars 6 for a capacitor connected to the other end portion of the bus bars 3 for supplying power and a plurality of capacitors 5 connected between the bus bars for a capacitor; and a power conversion semiconductor module 9 having a plurality of power conversion semiconductor devices connected to the bus bars 6 for a capacitor, which convert DC current supplied through the bus bars 6 for a capacitor from the DC power supply into AC current. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种能够通过从直流电源通过用于电容器的母线向功率转换半导体器件提供直流电流而整体小型化的功率转换装置,以实现总线的尺寸减小 供电的酒吧 解决方案:该电力转换装置包括:一对母线3,其用于为一端连接到直流电源的电源提供一对连接端子; 平滑电容器模块4,其具有用于连接到用于供电的母线3的另一端的电容器的一对母线6和连接在用于电容器的母线之间的多个电容器5; 以及功率转换半导体模块9,其具有连接到用于电容器的母线6的多个功率转换半导体器件,其将通过用于电容器的母线6提供的DC电流从DC电源转换为AC电流。 版权所有(C)2009,JPO&INPIT
    • 7. 发明专利
    • Current detection device
    • 电流检测装置
    • JP2007303988A
    • 2007-11-22
    • JP2006133553
    • 2006-05-12
    • Mitsubishi Electric Corp三菱電機株式会社
    • IKEDA MATAHIKOURAKABE TAKAHIROKURAMOTO YUJI
    • G01R19/00H02P27/06
    • PROBLEM TO BE SOLVED: To provide a current detection device capable of performing accurate current detection without being influenced by an external magnetic flux generated from another-phase current by using magnetic flux detectors to the smaller number than the number of current paths. SOLUTION: A magnetic flux detector 31 provided in order to detect a magnetic flux generated from a U-phase current Iu is installed near a current path 211, and outputs a detection signal Is1. A magnetic flux detector 32 provided in order to detect a magnetic flux generated from a V-phase current Iv is installed near a current path 212, and outputs a detection signal Is2. The detection signals Is1, Is2 from the magnetic flux detectors 31, 32 are input into a current correction part 51 in a microcomputer 5, and correction operation is performed by the current correction part 51, to thereby determine the U-phase current Iu, the V-phase current Iv and a W-phase current Iw. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种电流检测装置,其能够通过使用磁通量检测器以比电流路径数更小的数量执行精确的电流检测,而不受来自由相位电流产生的外部磁通的影响。 解决方案:为了检测从U相电流Iu产生的磁通而设置的磁通量检测器31安装在电流路径211附近,并输出检测信号Is1。 为了检测从V相电流Iv产生的磁通而设置的磁通检测器32安装在电流通路212附近,并输出检测信号Is2。 来自磁通检测器31,32的检测信号Is1,Is2被输入到微计算机5中的电流校正部51中,由电流校正部51进行校正动作,由此确定U相电流Iu, V相电流Iv和W相电流Iw。 版权所有(C)2008,JPO&INPIT
    • 8. 发明专利
    • Power converter
    • 电源转换器
    • JP2007209184A
    • 2007-08-16
    • JP2006028666
    • 2006-02-06
    • Mitsubishi Electric Corp三菱電機株式会社
    • YAMABUCHI HIROSHIKURAMOTO YUJIMAEKAWA HIROTOSHINISHIYAMA RYOJI
    • H02M7/48H02M7/04H05K7/06
    • H05K7/1432
    • PROBLEM TO BE SOLVED: To solve the problem, in durability and reliability of a conventional power converter that flexibility in mounting with respect to mounting on vehicle is low, attention regarding the constitution is not paid to a control board for enhancing the vibration resistance, and heat dissipation of electronic components mounted on the controlled board is not sufficient. SOLUTION: A base 110 is equipped with a first fixing part 110a and a second fixing part 110b, connected each other at a desired angle. Power modules IPM1, IPM2, and IPM3 are fixed to the first fixing part 110a of the base 110. The control board 10 is so fixed that its first main surface 10a, directly or indirectly contacts the second fixing part 110b of the base 110. Components, constituting a control circuit, are mounted on the second main surface 10b. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题为了解决这个问题,在传统的电力转换器的耐久性和可靠性方面,安装方面的灵活性相对于在车辆上的安装是低的,关于构造的关注不是用于增强振动的控制板 安装在受控板上的电子元件的电阻和散热是不够的。 解决方案:基座110配备有以期望的角度彼此连接的第一固定部分110a和第二固定部分110b。 电源模块IPM1,IPM2和IPM3固定在基座110的第一固定部分110a上。控制板10被固定成使其第一主表面10a直接或间接接触基座110的第二固定部分110b。 ,构成控制电路,安装在第二主表面10b上。 版权所有(C)2007,JPO&INPIT
    • 9. 发明专利
    • Current sensor
    • 电流传感器
    • JP2006214815A
    • 2006-08-17
    • JP2005026591
    • 2005-02-02
    • Mitsubishi Electric Corp三菱電機株式会社
    • ITO HIROSHIURAKABE TAKAHIROOKUDA TATSUYAKURAMOTO YUJI
    • G01R15/20
    • PROBLEM TO BE SOLVED: To obtain a substrate implementation type current sensor which removes the occurrence of a noise by the induced electromotive force superposed on a signal voltage by abolishing the induced electromotive force generated by the variation of a magnetic flux which intersects a wiring loop connected to a magnetic flux sensitive element. SOLUTION: A core 2 which surrounds a conductor 1 and consists of a magnetic material having a gap section, and the magnetic flux sensitive element 5 arranged at the gap section and having a magnetic flux sensitive section 4 which detects a current flowing to the conductor 1 as a signal voltage corresponding to the value of the magnetic flux flowing to the gap section according to the value in a substrate 3. A first signal line 8 and a second signal line 9 on the differential flat surface of the above substrate are connected to the magnetic flux sensitive element 5, and wired to lap with the magnetic flux sensitive section 4 in the direction of the magnetic flux and to lap the first signal line 8 and the second signal line 9 in the direction of the magnetic flux at least in the range of receiving the effect of the variation of the magnetic flux from the magnetic flux receiving section 4 to the terminating end of the first signal line 8. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:为了获得衬底实现型电流传感器,其通过消除由信号电压叠加的感应电动势产生的感应电动势来消除由信号电压叠加的感应电动势引起的噪声, 接线回路连接到磁通敏感元件。 解决方案:包围导体1并由具有间隙部分的磁性材料构成的芯体2和设置在间隙部分处的磁通量元件5,并且具有磁通量部分4,该磁通量部分检测流过 导体1作为与根据衬底3中的值流向间隙部分的磁通量的值相对应的信号电压。上述衬底的差分平坦表面上的第一信号线8和第二信号线9是 连接到磁通量敏感元件5,并且在磁通量方向上与磁通敏感部分4相配合,并且在第一信号线8和第二信号线9的至少 在接收从磁通量接收部分4的磁通量变化到第一信号线8的终止端的影响的范围内。(C)2006年,JPO&NCIPI