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    • 12. 发明授权
    • Motor insulation deterioration detection device
    • 电机绝缘劣化检测装置
    • US07898264B2
    • 2011-03-01
    • US12623920
    • 2009-11-23
    • Shinichi HorikoshiHiroyasu SatoAkira Hirai
    • Shinichi HorikoshiHiroyasu SatoAkira Hirai
    • G01R31/02
    • G01R31/1263G01R31/343G01R31/346
    • Disclosed is an insulation deterioration detection device that can accurately detect insulation deterioration in multiple motors by a simple circuit configuration. When detecting insulation deterioration, one end A of a smoothing capacitor is connected via a first switch to ground, and the other end B is connected via a second switch to motor windings; in this condition, link voltage is measured by a voltage measuring circuit provided in a converter unit, and the measured link voltage value is transmitted to a microcomputer in each inverter unit via serial communication. Current flowing via motor insulation resistance Z1, Z2 is measured by a current measuring circuit provided in each inverter unit, and the microcomputer calculates the value of the insulation resistance Z1, Z2 from the link voltage value and the current value.
    • 公开了一种能够通过简单的电路配置精确地检测多个电动机的绝缘劣化的绝缘劣化检测装置。 当检测到绝缘劣化时,平滑电容器的一端A经由第一开关连接到地,另一端B经由第二开关连接到电动机绕组; 在这种情况下,通过设置在转换器单元中的电压测量电路来测量链路电压,并且通过串行通信将测量的链路电压值发送到每个逆变器单元中的微型计算机。 通过电动机绝缘电阻Z1,Z2流动的电流由设在每个逆变器单元中的电流测量电路测量,并且微计算机根据链路电压值和当前值计算绝缘电阻Z1,Z2的值。
    • 14. 发明申请
    • MOTOR INSULATION DETERIORATION DETECTION DEVICE
    • 电机绝缘检测装置
    • US20100171511A1
    • 2010-07-08
    • US12623920
    • 2009-11-23
    • Shinichi HorikoshiHiroyasu SatoAkira Hirai
    • Shinichi HorikoshiHiroyasu SatoAkira Hirai
    • G01R31/00
    • G01R31/1263G01R31/343G01R31/346
    • Disclosed is an insulation deterioration detection device that can accurately detect insulation deterioration in multiple motors by a simple circuit configuration. When detecting insulation deterioration, one end A of a smoothing capacitor is connected via a first switch to ground, and the other end B is connected via a second switch to motor windings; in this condition, link voltage is measured by a voltage measuring circuit provided in a converter unit, and the measured link voltage value is transmitted to a microcomputer in each inverter unit via serial communication. Current flowing via motor insulation resistance Z1, Z2 is measured by a current measuring circuit provided in each inverter unit, and the microcomputer calculates the value of the insulation resistance Z1, Z2 from the link voltage value and the current value.
    • 公开了一种能够通过简单的电路配置精确地检测多个电动机的绝缘劣化的绝缘劣化检测装置。 当检测到绝缘劣化时,平滑电容器的一端A经由第一开关连接到地,另一端B经由第二开关连接到电动机绕组; 在这种情况下,通过设置在转换器单元中的电压测量电路来测量链路电压,并且通过串行通信将测量的链路电压值发送到每个逆变器单元中的微型计算机。 通过电动机绝缘电阻Z1,Z2流动的电流由设在每个逆变器单元中的电流测量电路测量,并且微计算机根据链路电压值和当前值计算绝缘电阻Z1,Z2的值。
    • 17. 发明授权
    • Silent chain
    • 静音链
    • US07497795B2
    • 2009-03-03
    • US11247624
    • 2005-10-11
    • Takashi ToharaAkira Hirai
    • Takashi ToharaAkira Hirai
    • F16G13/04
    • F16G13/04
    • In an endless silent chain composed of alternating guide link rows and joint link rows connected by connecting pins, each guide link row is composed of a stack of three, centrally located, link plates and two outer guide plates, and each joint link row is composed of two pairs of link plates in abutting, side-by-side relationship. The pairs of link plates of the joint link rows extend into the spaces between the guide plates and the centrally located stack of each of two adjacent guide link rows.
    • 在由连接销连接的交替的导向链和联接链条组成的无声无声链中,每个引导连杆列由三个位于中心的连杆板和两个外导向板组成,每个联接链条组成 的两对连接板在邻接,并排的关系。 接合连杆列的连接板对延伸到引导板与两个相邻引导连杆列中的每一个的中心定位的堆叠之间的空间中。
    • 19. 发明申请
    • Power Output Apparatus and Vehicle Equipped Therewith
    • 电力输出设备及配备的车辆
    • US20070296358A1
    • 2007-12-27
    • US11792223
    • 2005-12-13
    • Eiji SatoAkira HiraiToshihiro Sumitani
    • Eiji SatoAkira HiraiToshihiro Sumitani
    • H02P3/00H02P25/16
    • B60W10/08B60K6/44B60K6/52B60L50/15Y02T10/623Y02T10/6265Y02T10/7005Y02T10/7077
    • An on-off duty ratio of a transistor that increases and decreases a current applied to a field coil of an alternator is monitored. When the duty ratio is 100%, the electric generation capability of the alternator is at a maximum, and the battery current of a battery exceeds a predetermined current limit. Under these conditions, a torque limit is set to tighten a limit on the torque output from a motor. The motor is thus controlled within a range determined by the set torque limit. As a result, the motor can be controlled while the electric power outputs and requirements of the alternator, the battery and the motor are balanced, without having to directly detect the high voltage electric power of the alternator. Accordingly, the flow of excessive current in the battery can be impeded, and deterioration of the battery can be avoided.
    • 监视增加和减少施加到交流发电机的励磁线圈的电流的晶体管的导通截止占空比。 当占空比为100%时,交流发电机的发电能力处于最大值,电池的电池电流超过预定电流限制。 在这些条件下,设定转矩限制,以紧固从电动机输出的扭矩的极限。 因此,电机被控制在由设定的扭矩极限确定的范围内。 结果,电动机可以在电力输出和交流发电机,电池和电动机的要求平衡的同时进行控制,而不必直接检测交流发电机的高压电力。 因此,能够阻止电池中的过电流的流动,能够避免电池的劣化。