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
    • High-voltage electric device and electric motor compressor
    • 高压电气设备和电动马达压缩机
    • JP2014096957A
    • 2014-05-22
    • JP2012248243
    • 2012-11-12
    • Denso Corp株式会社デンソー
    • SAKAI TSUYOSHI
    • H02M7/48H02K11/00
    • F04D25/06H02K7/14H02K11/33H02M7/003H05K7/20254H05K7/20263
    • PROBLEM TO BE SOLVED: To provide a high-voltage electric device and an electric motor compressor that can be made compact while including a plurality of heating components differing in physical constitution.SOLUTION: An inverter device 40 as a high-voltage electric device includes a plurality of heating components 45 differing in physical constitution, and an electric circuit board 44 to which the plurality of heating components 45 are fixed through lead wires 49. Further, the inverter device 40 includes a case 43 which houses the plurality of heating components 45 and the electric circuit board 44, and a mold resin 47 which seals the plurality of heating components 45 and electric circuit board 44. Further, the inverter device 40 includes a heat radiation insulation plate 48 which comes into contact with the plurality of heating components 45 on the opposite side of the plurality of heating components 45 from the electric circuit board 44. Then the plurality of heating components 45 are equal in shortest distance from a reference surface 40b which is outermost peripheral surfaces of the mold resin 47 and the heat radiation insulation plate 48 on the side of a cooling part 90.
    • 要解决的问题:提供可以制造成紧凑型的高压电气装置和电动机压缩机,同时包括不同物理结构的多个加热部件。解决方案:作为高压电气装置的逆变器装置40包括 多个物理结构不同的加热部件45以及通过引线49固定多个加热部件45的电路基板44.另外,逆变器装置40具备容纳多个加热部件45的壳体43, 电路板44和密封多个加热部件45和电路板44的模制树脂47.此外,逆变器装置40包括与多个加热部件45接触的散热绝缘板48 多个加热部件45的与电路板44相反的一侧。然后,多个加热部件45a 在与冷却部90一侧的模制树脂47和散热绝缘板48的最外周面的基准面40b的最短距离相等。
    • 2. 发明专利
    • Motor driving device
    • 电机驱动装置
    • JP2014014205A
    • 2014-01-23
    • JP2012149723
    • 2012-07-03
    • Denso Corp株式会社デンソー
    • SAKAI TSUYOSHI
    • H02P6/08H02P27/02
    • H02P6/28H02M1/15H02M7/53875H02M7/5395H02P6/002H02P6/08H02P27/06H02P27/085H02P2209/13
    • PROBLEM TO BE SOLVED: To provide a motor driving device capable of suppressing a current ripple that occurs in a filter circuit even if the motor driving device is configured to selectively switch between multiple PWM modulation systems.SOLUTION: A control device sets a carrier frequency to f1 in step 130 when a two-phase modulation system is selected in step 110, and sets a carrier frequency to f0, which is half the carrier frequency of when the two-phase modulation system is selected, in step 140 when a three-phase modulation system is selected in step 110. Thereby, a frequency of a secondary component of a current flowing through a filter circuit when the three-phase modulation system is selected is separated from an oscillation frequency of the filter circuit.
    • 要解决的问题:提供一种能够抑制滤波器电路中发生的电流纹波的电动机驱动装置,即使电动机驱动装置被配置为在多个PWM调制系统之间选择性地切换。解决方案:控制装置将载波频率设置为 f1在步骤110中选择了两相调制系统,并且在步骤140中将载波频率设置为f0,其为当选择两相调制系统时的载波频率的一半,当三相 在步骤110中选择调制系统。因此,当选择三相调制系统时,流过滤波器电路的电流的次要分量的频率与滤波器电路的振荡频率分离。
    • 3. 发明专利
    • Driving apparatus for three-phase ac synchronous motor
    • 三相交流同步电动机的驱动装置
    • JP2010239852A
    • 2010-10-21
    • JP2009141094
    • 2009-06-12
    • Denso Corp株式会社デンソー
    • SAKAI TSUYOSHI
    • H02P6/16
    • H02P27/08B60L11/1814H02P2209/01Y02T10/642Y02T10/7005Y02T10/7072Y02T90/127Y02T90/14
    • PROBLEM TO BE SOLVED: To provide a driving apparatus 50 with a battery 3a connected between a neutral point 1x of a stator coil 1 and a negative-pole bus 21 and acquires three-phase AC currents. SOLUTION: A control circuit 50 has a check means for checking whether a neutral-point electric current is contained in an electric current Ia detected by an electric current detecting means 40a. Based on the check result, the control circuit determines whether electric current values for three-phases containing the neutral-point electric current are set together or electric current values for three-phases excluding the neutral-point electric current are set together to acquire the three-phase AC currents for driving the motor. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了提供连接在定子线圈1的中性点1x和负极总线21之间的电池3a的驱动装置50,并获取三相AC电流。 解决方案:控制电路50具有用于检查由电流检测装置40a检测到的电流Ia中是否包含中性点电流的检查装置。 基于检查结果,控制电路确定是否将包含中性点电流的三相电流值设置在一起,或者将不包括中性点电流的三相电流值设置在一起以获得三 相电流驱动马达。 版权所有(C)2011,JPO&INPIT
    • 4. 发明专利
    • Drive unit of synchronous electric motor
    • 同步电动机驱动单元
    • JP2010110215A
    • 2010-05-13
    • JP2010034647
    • 2010-02-19
    • Denso Corp株式会社デンソー
    • SAKAI TSUYOSHI
    • H02P6/20H02M7/48H02M7/5387H02P6/18H02P27/06
    • PROBLEM TO BE SOLVED: To start a synchronous electric motor while controlling the charging state of a capacitor 30 prior to the drive of the three-phase AC synchronous electric motor. SOLUTION: In a drive unit of the three-phase AC synchronous electric motor, a position of a rotor is decided by making the rotor face a magnetic field generated from a stator coil by using an initial state positioning control part 53A prior to the execution of a normal drive control part 56. Then, the charging state of the capacitor 30 is controlled. Accordingly, a large current is prevented from flowing to the capacitor immediately after the start of the execution of the normal drive control part 56. Accompanied by this, the execution of the normal drive control part 56 can be started in a state that an output voltage of the capacitor is stabilized without causing an effect that the operation state of the three-phase AC synchronous electric motor becomes unstable. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:在三相交流同步电动机的驱动之前控制电容器30的充电状态的同时启动同步电动机。 解决方案:在三相交流同步电动机的驱动单元中,通过使用初始状态定位控制部分53A使转子面对来自定子线圈的磁场,从而决定转子的位置 正常驱动控制部分56的执行。然后,控制电容器30的充电状态。 因此,在正常驱动控制部分56的执行开始之后,防止大电流流向电容器。伴随着这样,正常驱动控制部分56的执行可以在输出电压 的电容器稳定,不会产生三相交流同步电动机的运行状态变得不稳定的效果。 版权所有(C)2010,JPO&INPIT
    • 5. 发明专利
    • Drive device for synchronous electric motor
    • 同步电机驱动装置
    • JP2009261099A
    • 2009-11-05
    • JP2008105874
    • 2008-04-15
    • Denso Corp株式会社デンソー
    • SAKAI TSUYOSHI
    • H02P6/08
    • H02P6/14H02P6/21
    • PROBLEM TO BE SOLVED: To regulate the amount of charge of a capacitor, based on the output voltage of a power unit, while suppressing the reduction of a time for operating switching elements SW1-SW6 in control of a synchronous motor. SOLUTION: A device operates a switching element by a control signal output from a control circuit 50 and generates a rotating magnetic field from a stator coil 1, thereby a rotor rotates. To get a switching signal, when a power voltage is under a first predetermined value and besides is not less than a second predetermined value, it determines a three-phase modulation system, and when the power voltage is not less than the first predetermined value, it determines a two-phase modulation system whose step-up ratio is set smaller than that of the three-phase modulation system, and when the power voltage is under the second predetermined value, it determines the two-phase modulation system whose step-up ratio is set to be larger than that of the three-phase modulation system. The control circuit 50 can regulate the amount of charge to a capacitor 30 while controlling the rotation of the rotor of a three-phase AC synchronous motor. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:为了在控制同步电动机的同时抑制用于操作开关元件SW1-SW6的时间的减少,基于功率单元的输出电压来调节电容器的充电量。 解决方案:设备通过从控制电路50输出的控制信号来操作开关元件,并从定子线圈1产生旋转磁场,由此转子旋转。 为了获得开关信号,当电源电压低于第一预定值时,除了不小于第二预定值,它确定三相调制系统,并且当电源电压不小于第一预定值时, 它确定了升压比设置为小于三相调制系统的升压比的两相调制系统,并且当电源电压低于第二预定值时,它确定升压的两相调制系统 比被设定为大于三相调制系统的比例。 控制电路50可以在控制三相交流同步电动机的转子的旋转的同时调节向电容器30的充电量。 版权所有(C)2010,JPO&INPIT
    • 6. 发明专利
    • Device for driving three-phase alternating-current synchronous motors
    • 用于驱动三相交流电流同步电动机的装置
    • JP2009247099A
    • 2009-10-22
    • JP2008089743
    • 2008-03-31
    • Denso Corp株式会社デンソー
    • SAKAI TSUYOSHI
    • H02P21/00H02P27/04
    • PROBLEM TO BE SOLVED: To accurately control the number of revolutions of the rotor of a three-phase alternating-current motor and prevent the motor from being stopped due to unstable operation.
      SOLUTION: A control circuit 50 reads currents iu, iv, iw from a current sensor 40 (Step S100). The currents iu, iv, iw are converted into currents iα, iβ in a two-phase fixed coordinate system and charging current ik is removed (Step S110). The alternating currents iα, iβ are inversely converted into three-phase alternating currents iua, iva, iwa (Step S120). Then the position information of the rotor is estimated based on the three-phase alternating currents iua, iva, iwa (Step S130). Further, the number of revolutions of the rotor is accurately controlled based on the position information of the rotor (Step S140).
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:为了精确地控制三相交流电动机的转子的转数,并且防止电动机由于操作不稳定而停止。 解决方案:控制电路50从电流传感器40读取电流iu,iv,iw(步骤S100)。 电流iu,iv,iw在两相固定坐标系中被转换成电流iα,iβ,并且去除了充电电流ik(步骤S110)。 交流电流iα,iβ被逆转换为三相交流电流iua,iva,iwa(步骤S120)。 然后,基于三相交流电流iua,iva,iwa来估计转子的位置信息(步骤S130)。 此外,基于转子的位置信息,精确地控制转子的转数(步骤S140)。 版权所有(C)2010,JPO&INPIT
    • 7. 发明专利
    • Starter of synchronous motor, and air conditioner for vehicle
    • 同步电机起动器和车辆空调器
    • JP2009027828A
    • 2009-02-05
    • JP2007188017
    • 2007-07-19
    • Denso Corp株式会社デンソー
    • SAKAI TSUYOSHI
    • H02P6/18H02P1/46
    • PROBLEM TO BE SOLVED: To suppress the vibration of a rotor 11 of an electric motor 9a for blower, in an air conditioner for vehicle. SOLUTION: The air conditioner for vehicle comprises the electric motor (synchronous motor) 9a and a control circuit 25, and the control circuit 25 rotates a rotating magnetic field by flowing a three-phase alternate current to a stator coil 10 at start control (steps S120, S130). By this, the rotor 11 rotates in synchronization with the rotating magnetic field. The three-phase alternate current which flows to the stator coil 10 is a minimum current, wherein the rotor 11 generates torque τ to start at least rotation of the rotor 11 when an angle between a rotational coordinate and a fixed coordinate allows the rotor 11 to generate the maximum torque. Accordingly, the excessive torque τ is suppressed from being generated at the rotor 11. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了抑制用于车辆用空调的鼓风机用电动机9a的转子11的振动。 解决方案:车辆用空调器包括电动机(同步电动机)9a和控制电路25,并且控制电路25通过在起动时将三相交流流动到定子线圈10来旋转旋转磁场 控制(步骤S120,S130)。 由此,转子11与旋转磁场同步旋转。 流到定子线圈10的三相交流电流是最小电流,其中当旋转坐标和固定坐标之间的角度允许转子11转动时,转子11产生转矩τ至少开始转子11的旋转 产生最大扭矩。 因此,在转子11处抑制过大转矩τ的产生。(C)2009,JPO&INPIT
    • 8. 发明专利
    • Motor controller
    • 电机控制器
    • JP2007295673A
    • 2007-11-08
    • JP2006118530
    • 2006-04-21
    • Denso Corp株式会社デンソー
    • SAKAI TSUYOSHI
    • H02P6/10F04B49/06
    • PROBLEM TO BE SOLVED: To provide a motor controller in which pulsation in delivery pressure is reduced in order to reduce sound or vibration resulting from a load device. SOLUTION: The motor controller employed in a motor 60 for rotary driving a load device 50 having periodic load variation and performing rotation control of the motor 60 based on a number of revolution command comprises a means for detecting a rotation angle θ at which the load device is driven by the motor 60 and calculating the load state of the load device based on the rotation angle θ, and a means for operating the number of revolution command based on the rotation angles θu-θd-θu for the load state calculated by the load variation calculation means. The number of revolution command operation means sets a first rotation angle region θu-θd for increasing the number of revolution and a second rotation angle region θd-θu for decreasing the number of revolution in the rotation angles θu-θd-θu during one revolution. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种马达控制器,其中降低了输送压力的脉动,以便减少由负载装置产生的声音或振动。 解决方案:用于旋转驱动具有周期性负载变化的负载装置50的电动机控制器,并且基于转数指令执行电动机60的旋转控制包括用于检测旋转角度θ的装置,其中, 负载装置由电动机60驱动并基于旋转角度θ计算负载装置的负载状态,以及用于根据计算出的负载状态的旋转角度θu-θd-θu来操作转数指令的装置 通过负载变化计算装置。 转速指令运算装置设定用于增加转数的第一旋转角度区域θu-θd和用于减小一圈内旋转角度θu-θd-θu的转数的第二旋转角度区域θd-θu。 版权所有(C)2008,JPO&INPIT
    • 9. 发明专利
    • 電動圧縮機
    • 电动压缩机
    • JP2015040523A
    • 2015-03-02
    • JP2013172582
    • 2013-08-22
    • 株式会社デンソーDenso Corp
    • SAKAI TSUYOSHI
    • F04B49/02
    • F04C29/047F04B35/04F04B49/02F04B49/06F04C18/0215F04C18/344F04C28/06F04C28/08F04C28/28F04C29/0085F04C29/045F04C2240/808F04C2240/81F04C2270/19
    • 【課題】起動する際に、駆動回路部を許容上限温度以下に維持することが可能であり、かつ、圧縮機構の出力低下を抑制することが可能な電動圧縮機を提供する。【解決手段】制御装置100は、同期モータ12を起動後の駆動回路部40Aの発熱特性および吸入冷媒による駆動回路部40Aの冷却特性に基づいて設定された同期モータ12を起動する際の所定駆動パターンを予め記憶している。同期モータ12の起動時にサーミスタ41が検出した温度が判定温度以上である場合には、A/C制御装置101からの回転数指令に係らず所定駆動パターンで同期モータ12を回転数制限駆動制御する。その後に、回転数指令に基づいて同期モータ12を駆動する通常駆動制御へ移行する。【選択図】図1
    • 要解决的问题:为了提供启动时的电动机压缩机,使驱动电路部分保持在允许上限温度以下,并抑制压缩机构的输出减少。解决方案:控制装置100存储在 在启动基于同步电动机12启动之后的驱动电路部分40A的加热特性而设定的同步电动机12启动预定的驱动模式时,以及驱动电路部分的冷却特性 40A通过吸入制冷剂。 在同步电动机12的起动时由热敏电阻41检测到的温度为判定温度以上的情况下,同步电动机12受规定的驱动模式的转数限制驱动控制的影响, 旋转数指令。此后,根据转数指令,驱动控制转移到用于驱动同步电动机12的普通驱动控制。