公开(公告)号：US20120262183A1

公开(公告)日：2012-10-18

申请号：US13445133

申请日：2012-04-12

Applicant: Yoshihiro KAWAMURA

Inventor： Yoshihiro KAWAMURA

IPC: G01R31/14

CPC classification number: G01R31/025

Abstract: An insulating state detection unit is configured to perform failure detection for switches, which connect a flying capacitor to a sample hold circuit for acquiring a charge voltage and a ground potential, by using a failure determination threshold value according to a variable value. That is to say, the insulating state detection unit is configured to decide the failure determination threshold value by taking, as a reference, a charge voltage of a capacitor of the sample hold circuit charged with electric charge amount corresponding to a charge voltage of the flying capacitor when the flying capacitor is charged with electric charge amount corresponding to an output voltage of a DC power supply.

Abstract translation: 绝缘状态检测单元被配置为通过使用根据变量值的故障判定阈值来对飞秒电容器连接到采样保持电路以获取充电电压和接地电位的开关进行故障检测。 也就是说，绝缘状态检测单元被配置为通过以充电与飞行的充电电压相对应的电荷量的采样保持电路的电容器的充电电压作为基准来确定故障判定阈值 当飞行电容器被充电与对应于直流电源的输出电压的电荷量时，电容器。

公开(公告)号：US20080093494A1

公开(公告)日：2008-04-24

申请号：US11905013

申请日：2007-09-27

Applicant: Yoshihiro KAWAMURA

Inventor： Yoshihiro KAWAMURA

IPC: B60R22/34

CPC classification number: B60R22/46 ,  B60R2022/468

Abstract: A seat belt retractor includes a spool for winding a seat belt, a spring device for always biasing the spool in the belt winding direction, and a locking device which allows rotation of the spool when it is not activated and locks the spool from rotating in the seat belt withdrawing direction when it is activated. The spring device has a first spring always acting on the spool to bias the spool in the seat belt winding direction, and a second spring capable of acting on the spool to bias the spool in the seat belt winding direction. The seat belt retractor has a clutch for switching a mode of the second spring between an effective mode and an ineffective mode. The seat belt retractor further includes a control device which changes the winding torque during the seat belt winding operation.

Abstract translation: 安全带卷收器包括用于卷绕安全带的卷轴，用于总是沿卷带方向偏置卷轴的弹簧装置，以及允许卷轴未启动时旋转的锁定装置， 安全带拉出方向启动时。 弹簧装置具有始终作用在线轴上的第一弹簧以使阀芯在安全带卷绕方向上偏置，以及能够作用在阀芯上以使阀芯在安全带卷绕方向上偏置的第二弹簧。 安全带卷收器具有用于在有效模式和无效模式之间切换第二弹簧的模式的离合器。 安全带卷收器还包括在安全带缠绕操作期间改变卷绕扭矩的控制装置。

公开(公告)号：US20200302037A1

公开(公告)日：2020-09-24

申请号：US16755351

申请日：2018-10-01

Applicant: Yoshihiro KAWAMURA

Inventor： Yoshihiro KAWAMURA

IPC: G06F21/31 ,  G06F21/62 ,  G06F21/44 ,  H04L29/06

Abstract: A terminal apparatus (1) includes a data acquisition unit (113) that acquires data from a business server (2) by transmitting a request to access a one-time URL indicated by URL information received from the business server (2). The business server (2) includes a URL generation unit (212) that generates a one-time URL, an expiration date setting unit (213) that sets an expiration date of the one-time URL, an authentication processing unit (216) that authenticates the terminal apparatus (1), and a state setting unit (215) that sets either an authentication function active state or an authentication function inactive state within the expiration date of the one-time URL. In a case where the authentication processing unit (216) receives the access request, the authentication processing unit (216) starts an authentication process when the authentication function active state is set, and avoids executing the authentication process when the authentication function inactive state is set.

公开(公告)号：US20110006781A1

公开(公告)日：2011-01-13

申请号：US12825519

申请日：2010-06-29

Applicant: Yoshihiro KAWAMURA

Inventor： Yoshihiro KAWAMURA

IPC: H01H31/12 ,  G01R27/26

CPC classification number: G01R31/025

Abstract: An insulation state detector includes a capacitor, a measurement section measuring a charging voltage of the capacitor, a measuring circuit that connects the capacitor, which is insulated from a DC power source after being charged by the DC power source, between the measurement section and a ground potential portion, a detector detecting an insulation state of a voltage boosting circuit, and a reversed-polarity measuring circuit that connects the capacitor to the measurement section and the ground potential portion with reversed polarity when a potential corresponding to a division ratio of a positive-side ground fault resistor and a negative-side ground fault resistor on a secondary side of the voltage boosting circuit exceeds a positive potential of the DC power source and the capacitor is charged with reversed polarity by a secondary-side positive potential at the time of charging of the capacitor using the positive potential of the DC power source.

Abstract translation: 绝缘状态检测器包括电容器，测量电容器的充电电压的测量部分，测量部分和测量部分之间连接电容器，该电容器在被直流电源充电之后与直流电源绝缘， 接地电位部分，检测升压电路的绝缘状态的检测器以及反相极性测量电路，当相对于正的分压比的电位，电容器连接到测量部分和接地电位部分时，具有相反的极性 在升压电路的次级侧的侧面接地故障电阻和负极侧接地故障电阻超过直流电源的正电位，并且电容器以相反的极性被次级侧正电位充电 使用直流电源的正电位对电容器进行充电。

公开(公告)号：US20120153966A1

公开(公告)日：2012-06-21

申请号：US13330510

申请日：2011-12-19

Applicant: Yoshihiro KAWAMURA

Inventor： Yoshihiro KAWAMURA

IPC: G01R31/16

CPC classification number: G01R31/028

Abstract: An apparatus for detecting a fault of a flying capacitor of an insulated condition detecting unit measures (step S1), at the start of discharge of the flying capacitor, a discharge voltage of the flying capacitor according to a charge voltage of a read capacitor. After a period from the start of discharge, the apparatus measures (step S3) a discharge voltage of the flying capacitor according to a charge voltage of the read capacitor. According to a difference between the measured discharge voltages, the apparatus obtains (step S5) a discharge amount of the flying capacitor, compares the discharge amount with a reference threshold, and diagnoses (step S7) an open fault of four capacitors that constitute the flying capacitor.

Abstract translation: 一种用于检测绝缘状态检测单元的飞跨电容器的故障的装置，在飞秒电容器的放电开始时，根据读取电容器的充电电压来测量飞越电容器的放电电压。 在放电开始一段时间后，装置根据读取电容器的充电电压来测量（步骤S3）飞跨电容器的放电电压。 根据测量的放电电压之间的差异，装置获得飞行电容器的放电量（步骤S5），将放电量与参考阈值进行比较，并且诊断（步骤S7）构成飞行的四个电容器的开路故障 电容器。

公开(公告)号：US20110084705A1

公开(公告)日：2011-04-14

申请号：US12889654

申请日：2010-09-24

Applicant: Yoshihiro KAWAMURA

Inventor： Yoshihiro KAWAMURA

IPC: H01H31/12

CPC classification number: G01R27/025 ,  G01R31/025

Abstract: An insulation measuring apparatus, comprises: a measuring circuit including a first capacitor; a control unit that reads a voltage set on the first capacitor to decide an insulation state of a power supply, and control a path configuration of the measuring circuit; a switching section provided in a path located between the measuring circuit and the control unit; and a second capacitor provided between a ground and a path located between the switching section and the control unit. The control unit controls the path configuration of the measuring circuit, by turning ON the switching section to set a voltage corresponding to the voltage that is set on the first capacitor on the second capacitor, and then by turning OFF the switching section to read the voltage set on the second capacitor and to discharge an electric charge corresponding to the voltage being set on the first capacitor.

Abstract translation: 一种绝缘测量装置，包括：测量电路，包括第一电容器; 读取在第一电容器上设定的电压以决定电源的绝缘状态并控制测量电路的路径配置的控制单元; 切换部，设置在位于测量电路和控制单元之间的路径中; 以及第二电容器，设置在地与位于开关部和控制单元之间的路径之间。 控制单元控制测量电路的路径配置，通过接通开关部分来设置与设置在第二电容器上的第一电容器上的电压相对应的电压，然后通过关断开关部分来读取电压 设置在第二电容器上，并且对与设置在第一电容器上的电压相对应的电荷放电。

公开(公告)号：US20110012606A1

公开(公告)日：2011-01-20

申请号：US12821447

申请日：2010-06-23

Applicant: Yoshihiro KAWAMURA

Inventor： Yoshihiro KAWAMURA

IPC: G01R31/14

CPC classification number: G01R31/025 ,  B60L3/0023 ,  B60L3/0069

Abstract: An insulation state detector detects an insulation state with respect to a ground potential portion of a DC power source on the basis of a charging voltage of a flying capacitor. The insulation state connector includes a detecting section that detects the insulation state of the DC power source by defining the charging voltage of the flying capacitor in the ground fault state as a charging voltage, in an unbalanced state where voltages across both ends of the positive-side Y capacitor and the negative-side Y capacitor are not equal to voltages obtained by dividing the voltage of the DC power source according to a voltage division ratio of the positive-side ground fault resistor and the negative-side ground fault resistor.

Abstract translation: 绝缘状态检测器基于飞行电容器的充电电压检测相对于直流电源的接地电位部分的绝缘状态。 绝缘状态连接器包括检测部分，其通过将处于接地故障状态的飞跨电容器的充电电压定义为充电电压来检测直流电源的绝缘状态，该非平衡状态中， 侧Y电容器和负侧Y电容器不等于根据正侧接地故障电阻器和负侧接地故障电阻器的分压比划分直流电源的电压而获得的电压。

公开(公告)号：US20130002018A1

公开(公告)日：2013-01-03

申请号：US13534534

申请日：2012-06-27

Applicant: Yoshihiro KAWAMURA

Inventor： Yoshihiro KAWAMURA

IPC: H02J1/04

CPC classification number: B60L3/0046 ,  B60L11/1859 ,  Y02T10/7005 ,  Y02T10/7011 ,  Y02T10/705 ,  Y10T307/406

Abstract: In a hybrid circuit including a high-voltage circuit and a low-voltage circuit having different power supply voltages from each other, a voltmeter serving as a high-voltage circuit, a high-voltage connector for connecting the voltmeter and the lithium ion battery, the control unit which is a part of the low-voltage circuit and performs switching control to turn on/off internal switches of the voltmeter are mounted on a hybrid integrated circuit. Then, the hybrid integrated circuit is stacked on top of a hybrid integrated circuit mounting area of a low-voltage substrate on which the rest of the low-voltage circuit is mounted.

Abstract translation: 在包括彼此具有不同电源电压的高压电路和低压电路的混合电路中，用作高电压电路的电压表，用于连接电压表和锂离子电池的高压连接器， 作为低压电路的一部分并且执行开关控制以将电压表的内部开关打开/关闭的控制单元安装在混合集成电路上。 然后，混合集成电路堆叠在安装有低压电路的其余部分的低电压基板的混合集成电路安装区域的顶部。

公开(公告)号：US20120081135A1

公开(公告)日：2012-04-05

申请号：US13315684

申请日：2011-12-09

Applicant: Yoshihiro KAWAMURA ,  Takafumi TSURUMI ,  Shintaro UCHIDA

Inventor： Yoshihiro KAWAMURA ,  Takafumi TSURUMI ,  Shintaro UCHIDA

IPC: G01R27/08

CPC classification number: G01R27/025 ,  G01R31/086 ,  G01R31/1272 ,  Y04S10/522

Abstract: An insulation measurement apparatus includes a path including a first resistor, a capacitor electrically floated from a ground, and a second resistor between a positive to a negative electrode side of a power supply, a first switching element between the power supply positive electrode side and the capacitor, a second switching element between the capacitor and the power supply negative electrode side, a detection section detecting a charge voltage on the capacitor and determining a power supply insulation state, and a voltage setting section executing a power supply voltage measurement mode controlling the first and second switching elements to charge the capacitor for a predetermined time period, and an insulation voltage measurement mode charging a terminal of a positive or negative electrode side of the capacitor via a resistor between the power supply positive or negative electrode and the ground for a predetermined time period.

Abstract translation: 一种绝缘测量装置，包括：路径，包括第一电阻器，从地面电浮置的电容器，以及在电源的正极侧和负极侧之间的第二电阻器;电源正极侧和第二电阻器之间的第一开关元件; 电容器，电容器和电源负极侧之间的第二开关元件，检测电容器上的充电电压并确定电源绝缘状态的检测部分，以及执行电源电压测量模式的电压设定部分，控制第一 以及第二开关元件，用于对电容器充电预定时间段，以及绝缘电压测量模式，通过电源正极或负极与地之间的电阻将电容器的正极或负极侧的端子充电至预定的 时间段。

公开(公告)号：US20100246081A1

公开(公告)日：2010-09-30

申请号：US12751255

申请日：2010-03-31

Applicant: Mitsuteru YANO ,  Toshiaki TAKESHITA ,  Yoshihiro KAWAMURA

Inventor： Mitsuteru YANO ,  Toshiaki TAKESHITA ,  Yoshihiro KAWAMURA

IPC: H02H3/20

CPC classification number: B60L3/04 ,  B60L3/0023 ,  B60L3/0069 ,  B60L3/0092 ,  B60L11/1803 ,  B60L11/1887 ,  G01R31/007 ,  G01R31/025 ,  H02H3/16 ,  Y02T90/34

Abstract: When a malfunction of an ungrounded drive electric system including first and second ungrounded power supplies, an inverter, and a motor which is energized by the first and second ungrounded power supplies through the inverter, i.e., an erroneous opening of switches of a battery, is detected, switches of an insulation resistance detector are opened to insolate the insulation resistance detector from the ungrounded drive electric system.

Abstract translation: 当包括第一和第二未接地电源的未接地驱动电气系统的故障，逆变器和由第一和第二未接地电源通过逆变器激励的电动机（即，电池的开关的错误打开） 检测到绝缘电阻检测器的开关被打开以将绝缘电阻检测器从不接地的驱动电气系统中分离出来。