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    • 3. 发明专利
    • Motor
    • 发动机
    • JP2010268607A
    • 2010-11-25
    • JP2009117959
    • 2009-05-14
    • Denso CorpNippon Soken Inc株式会社デンソー株式会社日本自動車部品総合研究所
    • KIDA YOSHIHIROTANIGUCHI MAKOTO
    • H02K5/22H02K5/04H02M7/48H02M7/5387
    • H02K3/28H02K1/185H02K5/08H02K11/02H02P27/08
    • PROBLEM TO BE SOLVED: To reduce common mode current flowing into ground from the housing of a motor or to prevent it from flowing so as to prevent the motor from being enlarged and control from being complicated. SOLUTION: The motor 10 is provided with a rotor 14 fixed to a rotating shaft 13, a stator 15 arranged at a periphery of the rotor 14 through a predetermined gap, and a power converter 11 which is connected to three-phase windings 19u, 19v and 19w installed in a slot of the stator 15, and performs control for converting current from a DC power supply 24 into three-phase AC current and making the current flow to the three-phase windings 19u, 19v and 19w. In such a structure, an outer housing 18 fixed on the periphery of the stator 15 through an insulating layer 17 is arranged, and the stator 15 is wire-connected to a positive-side bus connected to a positive electrode of the DC power supply or a negative-side bus connected to a negative electrode of the power converter 11. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了减少从电动机壳体流入地面的共模电流或防止其流动,从而防止电动机放大并且控制变得复杂。 解决方案:电动机10设置有转子14,该转子14固定在旋转轴13上,定子15通过预定间隙布置在转子14的周围;以及功率转换器11,其连接到三相绕组 19u,19v和19w安装在定子15的槽中,并且执行将来自直流电源24的电流转换为三相交流电流并使电流流向三相绕组19u,19v和19w的控制。 在这种结构中,布置有通过绝缘层17固定在定子15的周围的外壳体18,并且定子15与连接到直流电源的正电极的正侧总线线连接,或 连接到电力转换器11的负极的负侧总线。版权所有(C)2011,JPO&INPIT
    • 5. 发明专利
    • Printed wiring board and, mounting wiring board, and current detector
    • 印刷线路板,安装接线板和电流检测器
    • JP2009064878A
    • 2009-03-26
    • JP2007230066
    • 2007-09-05
    • 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
    • KIDA YOSHIHIROTOKUNAGA MASAOHIRONAKA YOSHIOMI
    • H05K1/02G01R15/20
    • PROBLEM TO BE SOLVED: To suppress by a simple constitution the malfunctions of a current detecting circuit which are caused by the parasitic capacities formed out of the electrostatic couplings interposed between a conductor having a potential and the wiring patterns of a mounting wiring board of the current detecting circuit. SOLUTION: A current detector 10 has a conductor 2 wherein a detected current flows, a magnetic core 4 having an air gap provided in a portion of its ring-form magnetic circuit, a magnetic sensor 6 disposed in the air gap, and a mounting wiring board 100 disposed near the conductor 2. The mounting wiring board 100 has a plurality of input-signal-terminal portions for receiving a plurality of input signals, an operational processing element 30 for performing the operational processings with respect to the respective input signals, a plurality of wiring portions in each of which its one end is so connected with each input-signal-terminal portion as to be connected simultaneously with circuit elements, and its another end is connected with the operational processing element 30, and parasitic-capacity adjusting portions provided in one or more wiring portions and for making equal to each other the values of parasitic capacities formed by the electrostatic couplings interposed between the conductor 2 and the respective wiring portions. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题为了通过简单的结构抑制电流检测电路的故障,其由插入在具有电位的导体之间的静电耦合形成的寄生电容与安装布线板的布线图案 的电流检测电路。 解决方案:电流检测器10具有检测电流流动的导体2,设置在其环形磁路的一部分中的具有气隙的磁芯4,设置在气隙中的磁传感器6,以及 布置在导体2附近的安装布线板100.安装布线板100具有用于接收多个输入信号的多个输入信号端子部分,用于对各个输入执行操作处理的操作处理元件30 信号,多个布线部分,其一端与每个输入信号端子部分连接,以与电路元件同时连接,并且其另一端与操作处理元件30相连, 设置在一个或多个布线部分中的电容调整部分,并且使彼此相等的静电耦合件形成的寄生电容的值置于 导体2和各个布线部分。 版权所有(C)2009,JPO&INPIT
    • 7. 发明专利
    • Feedthrough capacitor and power conversion device
    • 有源电容器和电源转换器件
    • JP2013168486A
    • 2013-08-29
    • JP2012030454
    • 2012-02-15
    • Nippon Soken Inc株式会社日本自動車部品総合研究所Toyota Motor Corpトヨタ自動車株式会社
    • KIDA YOSHIHIROTORII KAORU
    • H01G4/35
    • PROBLEM TO BE SOLVED: To provide a feedthrough capacitor capable of easily changing a noise elimination frequency.SOLUTION: A feedthrough capacitor 50 comprises: a dielectric body 54; an electrostatic capacity section 57 having first and second electrode plates 55, 53 opposed to each other across the dielectric body; a through conductor 59 whose one end is connected to a cable Cb extending from an external apparatus and whose other end is connected to a circuit inside the electronic apparatus; an insulator 52; and a bolt 51. The through conductor 59 penetrates through the electrostatic capacity section 57, and is conducted to the first electrode plate 55. The insulator 52 is sandwiched between the second electrode plate 53 and a case 2. A tip of the bolt 51 is fitted with a hole provided on the case 2, to fix the second electrode plate 53 to the case 2 and conduct the second electrode plate 53 to the case 2. A noise elimination frequency depends on a parasitic inductance of the bolt 51, and therefore, the noise elimination frequency can be adjusted by appropriately selecting the bolt 51.
    • 要解决的问题:提供能够容易地改变噪声消除频率的馈通电容器。解决方案:馈通电容器50包括:电介质体54; 静电电容部分57具有穿过电介质体彼此相对的第一和第二电极板55,53; 贯通导体59,其一端连接到从外部设备延伸的电缆Cb,另一端连接到电子设备内的电路; 绝缘体52; 通孔导体59穿过静电电容部分57并被传导到第一电极板55.绝缘体52夹在第二电极板53和壳体2之间。螺栓51的尖端是 装配有设置在壳体2上的孔,以将第二电极板53固定到壳体2并将第二电极板53导引到壳体2.噪声消除频率取决于螺栓51的寄生电感,因此, 可以通过适当地选择螺栓51来调节噪声消除频率。
    • 9. 发明专利
    • 車載電子機器の接地構造
    • 车载电子设备接地结构
    • JP2015020544A
    • 2015-02-02
    • JP2013149390
    • 2013-07-18
    • 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
    • KIDA YOSHIHIROHATTORI TOSHIHIROFUKAGAWA YASUHIROOOKA SHINJIAKIYAMA KIYOKAZUSUGITA MASAYUKI
    • B60R16/02H02G15/00H05K9/00
    • 【課題】本明細書は、信号又は電力を伝達する信号ケーブルがシールド線で覆われているシールドケーブルで接続された2個の車載電子機器の車両ボディへの電気的な接地構造に関し、車載電子機器が発生するノイズ電流を低減する技術を提供する。【解決手段】シールドケーブル3のシールド線3bは、バッテリ8(第1の車載電子機器)の側の端部が導電体7を介してボディグランド5に接続されているとともに、シールド線3bのインバータ2(第2の車載電子機器)の側の端部がインバータ2の筐体2bに接続されている。インバータ2の筐体2bは、シールド線3bが無損失であると仮定したときのシールド線3bの特性インピーダンスの大きさと近似する抵抗値を有する抵抗体6を介してボディグランド5に接続する。【選択図】図1
    • 要解决的问题:为了向车体提供与屏蔽电缆连接的两个车载电子设备的技术,其中传输信号或电力的信号电缆被屏蔽线覆盖, 降低由车载电子设备产生的噪声电流的技术。解决方案:屏蔽电缆3的屏蔽线3b的电池8(第一个车载电子设备)侧的端部连接到主体 接地5通过导体7,并且屏蔽线3b的逆变器2(第二车载电子仪器)侧的端部连接到逆变器2的壳体2b。逆变器2的壳体2b 假设屏蔽线3b是无损的,电阻器6通过电阻器6连接到主体接地端5,该电阻器具有接近屏蔽线3b的特性阻抗的电阻值。