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    • 1. 发明专利
    • インバータの制御装置
    • 逆变器控制装置
    • JP2014230420A
    • 2014-12-08
    • JP2013109078
    • 2013-05-23
    • 株式会社日本自動車部品総合研究所Nippon Soken Incトヨタ自動車株式会社Toyota Motor Corp
    • WAKIMOTO TORUKANESHIRO HIROBUMIMATSUMURA MITSUYORI
    • H02M7/48
    • 【課題】空調装置の電力消費を抑制しつつ交流駆動部の電気的絶縁性を精度良く診断する。【解決手段】直流電源(30)と、該直流電源に接続されるインバータ(710)及び該インバータに接続される交流駆動部(M)を有する空調装置(700)と、前記直流電源に接続され、前記交流部の絶縁抵抗に応じた信号を出力する検出手段(40)とを備えた空調システムにおいて前記インバータを制御するインバータの制御装置(100)は、前記検出手段の出力信号に基づいて前記交流部の電気的絶縁状態を診断する診断手段と、前記空調装置の稼動期間において前記インバータを二相変調制御により駆動すると共に、前記空調装置の稼動期間において前記交流部の電気的絶縁状態が診断される場合に前記二相変調制御を三相変調制御に切り替える制御手段とを具備することを特徴とする。【選択図】図6
    • 要解决的问题:为了在抑制空调的电力消耗的同时精确地诊断交流驱动部的电绝缘。解决方案:空调系统包括:直流电源(30); 连接到所述直流电源的逆变器(710)和与所述逆变器连接的交流驱动部(M)的空调装置(700) 和连接到直流电源的检测装置(40),并输出与交流部分的绝缘电阻对应的信号。 在空调系统中,用于控制逆变器的逆变器控制部(100)包括诊断装置,用于根据检测装置的输出信号和驱动逆变器的控制装置二次诊断AC部分的电绝缘状态 在空调机的运转期间进行相位调制控制,在空调的运转期间对AC部分的电绝缘状态进行诊断时,将两相调制控制切换为三相调制控制。
    • 4. 发明专利
    • Charger for vehicle
    • 车辆充电
    • JP2010220455A
    • 2010-09-30
    • JP2009067602
    • 2009-03-19
    • Nippon Soken IncToyota Motor Corpトヨタ自動車株式会社株式会社日本自動車部品総合研究所
    • IYASU SEIJIWAKIMOTO TORUMURASATO KENJIANG WANLENG
    • B60L11/18B60L3/00H02J7/00
    • Y02T10/7005Y02T10/7241Y02T10/92
    • PROBLEM TO BE SOLVED: To provide a charger for vehicle, which reduces loss while minimizing a cost increase.
      SOLUTION: The charger for vehicle includes a motor 3, an inverter 1 for driving the motor 3, a motor 4 having a driving capability larger than that of the motor 3, an inverter 2 for driving the motor 4, and a connection which connects the inverter 1 and the motor 4 when the operation mode is the external charging mode otherwise disconnects the inverter 1 and the motor 4. The inverter 1 includes a switching element which is used for driving the motor 3 when the operation mode is not the external charging mode, and is subjected to switching control for voltage conversion when the operation mode is the external charging mode. The motor 4 includes a coil which is used as a stator coil when the operation mode is not the external charging mode, and is connected with the switching element by the connection when the operation mode is the external charging mode and used as a smoothing reactor.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种用于车辆的充电器,其在最小化成本增加的同时减少损耗。

      解决方案:车辆用充电器包括电动机3,用于驱动电动机3的逆变器1,具有大于电动机3的驱动能力的电动机4,用于驱动电动机4的逆变器2和连接 当操作模式为外部充电模式时,连接逆变器1和电动机4,否则断开逆变器1和电动机4.逆变器1包括用于在操作模式不是驱动电动机3时驱动电动机3的开关元件 外部充电模式,并且当操作模式是外部充电模式时,进行电压转换的开关控制。 电动机4包括线圈,其在操作模式不是外部充电模式时用作定子线圈,并且当操作模式是外部充电模式并且用作平滑电抗器时通过连接与开关元件连接。 版权所有(C)2010,JPO&INPIT

    • 6. 发明专利
    • インバータ装置
    • 逆变器装置
    • JP2015023710A
    • 2015-02-02
    • JP2013150998
    • 2013-07-19
    • 株式会社日本自動車部品総合研究所Nippon Soken Incトヨタ自動車株式会社Toyota Motor Corp
    • KANESHIRO HIROBUMIWAKIMOTO TORUMATSUMURA MITSUYORI
    • H02M7/48H02M7/5387
    • 【課題】二相変調を用いて三相インバータ回路のスイッチング素子をPWM駆動する場合に、絶縁抵抗の低下の検出精度を向上させる。【解決手段】二相変調信号Us,Vs,Wsの周期Tsに同期させてキャリア信号の周波数fcを変化させることで、キャリア信号と二相変調信号Us,Vs,Wsとの位相差の周期的な変化が抑制され、スイッチング素子のPWM駆動を中断する期間が非周期的に変動する。この非周期的な変動によって、コモンモードノイズの周波数成分が広帯域に拡散し、コモンモードノイズによるパルス電圧Vdの波高値の変動を抑制することができ、絶縁抵抗Riの低下を精度よく検出することができる。【選択図】図2
    • 要解决的问题:提高通过两相调制驱动三相逆变电路的PWM(脉宽调制)驱动开关元件时绝缘电阻降低的检测精度。解决方案:载波信号的频率fc 与两相调制信号Us,Vs,Ws的周期Ts同步地改变,以抑制载波信号和两相调制信号Us,Vs,Ws之间的相位差的周期性变化,使得中断的周期 的PWM驱动开关元件的周期性变化。 非周期性变化可以在宽带上扩展共模噪声的频率分量,以通过共模噪声抑制脉冲电压Vd的峰值的变化,从而可以精确地检测绝缘电阻Ri的降低。
    • 7. 发明专利
    • Three-phase ac motor
    • 三相交流电动机
    • JP2012120405A
    • 2012-06-21
    • JP2010270546
    • 2010-12-03
    • Nippon Soken IncToyota Motor Corpトヨタ自動車株式会社株式会社日本自動車部品総合研究所
    • TAKAHASHI YOSHIMITSUWAKIMOTO TORUETSUNO NAOHITO
    • H02K3/34
    • PROBLEM TO BE SOLVED: To reduce surge voltage generated in an alternating-current (AC) motor driven by an inverter.SOLUTION: A three-phase AC motor 100 includes a stator 10 using windings 20, 30, and 40 of each of the phases in which a coating conduction wire is wound so as to be distributed and overlapped around a plurality of slot of a stator core 11 as y-connection, and is driven by an inverter. The outer surfaces of coating conduction wires 211a and 211b of a first turn 211 in the start of winding of an input side first coil 21 of each of the phases are covered with an insulation tube 220, and a distance between the coating conduction wires 211a and 211b of the first turn 211, and a coating conduction wire of remaining turns 212 and 213 is increased.
    • 要解决的问题:减少由逆变器驱动的交流(AC)电动机中产生的浪涌电压。 解决方案:三相AC电动机100包括定子10,该定子10使用其中缠绕有涂层导线的每个相的绕组20,30和40,以分布和重叠在多个槽 定子铁芯11作为y形连接,由逆变器驱动。 每个相的输入侧第一线圈21的卷绕开始时的第一匝211的涂层导线211a和211b的外表面被绝缘管220覆盖,并且涂覆导电线211a和 211b,剩余匝212和213的涂层导线增加。 版权所有(C)2012,JPO&INPIT
    • 8. 发明专利
    • Insulating performance evaluation apparatus
    • 绝缘性能评估装置
    • JP2010243285A
    • 2010-10-28
    • JP2009091200
    • 2009-04-03
    • Nippon Soken IncToyota Motor Corpトヨタ自動車株式会社株式会社日本自動車部品総合研究所
    • TAKAHASHI YOSHIMITSUWAKIMOTO TORUTAKIZAWA KEIJI
    • G01R31/12G01R31/34
    • PROBLEM TO BE SOLVED: To evaluate the insulation performance of a sample, in a short time. SOLUTION: When an instruction peak value is below a predetermined voltage, application control for controlling a voltage application circuit 22 so that the voltage the polarity of which is periodically inverted is applied to the sample, on the basis of the instruction peak value is performed using a third frequency, which is higher than a first frequency, as a polarity inversion frequency and using a second frequency as a carrier frequency, and using a conversion value obtained from a breakdown period from the start of control to the breakdown of the sample and the ratio of the third frequency to the first frequency, the insulating performance of the sample is evaluated. When the instruction peak value is the predetermined voltage or higher, the application control is performed by using the first frequency as the polarity inversion frequency and using a fourth frequency which is higher than the second frequency as the carrier frequency; and by using a conversion value obtained from the breakdown period and the ratio of the fourth frequency to the second frequency, the insulating performance of the sample is evaluated. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:在短时间内评估样品的绝缘性能。 解决方案:当指令峰值低于预定电压时,施加控制用于控制电压施加电路22,使其极性周期性反转的电压基于指令峰值被施加到采样 使用高于第一频率的第三频率作为极性反转频率并使用第二频率作为载波频率进行,并且使用从控制开始到故障的故障期间获得的转换值 样品和第三频率与第一频率的比率,评估样品的绝缘性能。 当指令峰值为预定电压以上时,通过使用第一频率作为极性反转频率并使用高于第二频率的第四频率作为载波频率来执行应用控制; 并且通过使用从故障周期获得的转换值和第四频率与第二频率的比率,评估样品的绝缘性能。 版权所有(C)2011,JPO&INPIT
    • 9. 发明专利
    • Three-phase rotary electric machine
    • 三相旋转电机
    • JP2009278806A
    • 2009-11-26
    • JP2008129073
    • 2008-05-16
    • Nippon Soken IncToyota Motor Corpトヨタ自動車株式会社株式会社日本自動車部品総合研究所
    • WAKIMOTO TORUTAKAHASHI YOSHIMITSUTAKIZAWA KEIJI
    • H02K3/40
    • PROBLEM TO BE SOLVED: To provide a three-phase rotary electric machine which can relieve a shared voltage between coils with a simple constitution when a steep surge voltage is input into the three-phase rotary electric machine, to secure insulation performance.
      SOLUTION: The three-phase rotary electric machine 10 includes a plurality of teeth 22, a slot part 24 formed between the adjacent teeth 22, and a three-phase coil wound around the teeth 22 wherein same-phase coils are aligned in a circumferential direction and different-phase coils are aligned in a radial direction. In each coil, the relative dielectric constant between the coil end parts positioned outside of the slots 24 is ε
      1 , and in each coil, the relative dielectric constant between the slot interior part positioned inside of the slots 24 and the teeth 22 is ε
      2 , wherein ε
      1 is larger than ε
      2 .
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种三相旋转电机,其可以在将三相旋转电机输入陡峭的浪涌电压时以简单的结构来减轻线圈之间的共享电压,从而确保绝缘性能。 解决方案:三相旋转电机10包括多个齿22,形成在相邻齿22之间的槽部24和缠绕在齿22周围的三相线圈,其中相位线圈对齐 圆周方向和不同相位线圈沿径向对齐。 在每个线圈中,位于槽24之外的线圈端部之间的相对介电常数为ε 1 ,在每个线圈中,位于槽24内侧的槽内部之间的相对介电常数 并且齿22是ε 2 ,其中ε 1 大于εSB 2。 版权所有(C)2010,JPO&INPIT