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    • 5. 发明申请
    • FAULT DETECTION SYSTEM
    • 故障检测系统
    • US20170012422A1
    • 2017-01-12
    • US15206419
    • 2016-07-11
    • DENSO CORPORATION
    • Hayato MIZOGUCHITakashi INAMOTO
    • H02H3/16H02H1/06
    • H02H11/005B60L3/0069
    • A fault detection system is provided which includes power lines connecting between a DC power supply and electric equipment, switches respectively provided to the power lines, a capacitor connected to the power lines at a position where a distance to the electric equipment is shorter than a distance between the switches and the electric equipment, a charging unit charging the capacitor before the switches are turned on, a detection section connected to the power line at a connecting point where a distance to the DC power supply is shorter than a distance between the switches and the DC power supply, and detecting a change in an electric potential of the connecting point, and a determination section determining whether a short-circuit fault has occurred in any one of the switches based on a difference in the electric potential of the connecting point between before and after the capacitor is charged.
    • 提供了一种故障检测系统,其包括连接在直流电源和电气设备之间的电力线,分别提供给电力线的开关,在与电气设备的距离短于距离的位置处连接到电力线的电容器 在开关和电气设备之间,充电单元在开关接通之前对电容器充电,在与直流电源的距离短于开关之间的距离的连接点处连接到电力线的检测部分和 直流电源,检测连接点的电位变化,以及判定部,根据所述连接点的电位差,确定是否发生了任何一个开关中的短路故障 在电容器充电之前和之后。
    • 6. 发明申请
    • DEVICES FOR GROUND-RESISTANCE DETECTION
    • 地电阻检测装置
    • US20160313385A1
    • 2016-10-27
    • US14846295
    • 2015-09-04
    • Delta Electronics, Inc.
    • Ming-Whang WANG
    • G01R31/02H02H3/16
    • H02H3/165G01R27/18H02H3/162H02H11/005Y02T90/168Y04S30/12
    • A ground-resistance detection device, which is coupled to a power system including a first power line, a second power line, and a protective earth, includes a ground-resistance detection circuit and a controller. The ground-resistance detection circuit includes a first input node and a second input node. The first input node is coupled to either the first power line or the second power line. The second input node is coupled to a ground terminal. The ground-resistance detection circuit generates a DC output voltage according to the voltage of the first input node, the voltage of the second input node, and the DC reference voltage. The controller determines the ground resistance between the protective earth and the ground terminal according to the DC reference voltage and the DC output voltage.
    • 连接到包括第一电力线,第二电力线和保护接地的电力系统的接地电阻检测装置包括接地电阻检测电路和控制器。 接地电阻检测电路包括第一输入节点和第二输入节点。 第一输入节点耦合到第一电力线或第二电力线。 第二输入节点耦合到接地终端。 接地电阻检测电路根据第一输入节点的电压,第二输入节点的电压和直流基准电压产生直流输出电压。 控制器根据直流参考电压和直流输出电压确定保护接地端子与接地端子之间的接地电阻。
    • 7. 发明申请
    • SAFETY CLAMP SYSTEM FOR EMERGENCY START OF VEHICLE BATTERY
    • 汽车电瓶紧急启动安全钳系统
    • US20160285258A1
    • 2016-09-29
    • US14861540
    • 2015-09-22
    • Kun-Chang WUCHAMPARTS ELECTRONIC TECHNOLOGY CO., LTD.
    • Kun-Chang WUPo-Hung CHENPage XING
    • H02H9/04
    • H02H3/087H02H7/18H02H11/005
    • A safety clamp system for an emergency start of a vehicle battery comprises a boost circuit, a voltage-stabilizing circuit, a control unit, a power detection circuit, a battery-clamp-loose detection circuit, an alarm circuit, an auto-detect-battery-voltage-and-short-circuit detection circuit, a driving circuit and a turn-on/off detection circuit. The power detection circuit and the auto-detect-battery-voltage-and-short-circuit detection circuit detect whether an input voltage or the vehicle battery is normal or abnormal. If normal, the control unit controls the driving circuit to drive the turn-on/off detection circuit, so that a power supplied by an external lithium battery is sent to the vehicle battery. If abnormal, abnormal detection signals are sent to the control unit to drive the alarm circuit. If a battery clamp is loose, the control unit controls the driving circuit to stop driving the turn-on/off detection circuit, so that the power is not sent to the vehicle battery.
    • 一种用于车辆电池紧急启动的安全钳系统包括升压电路,稳压电路,控制单元,功率检测电路,电池钳位松动检测电路,报警电路,自动检测电路, 电池电压和短路检测电路,驱动电路和导通/断开检测电路。 功率检测电路和自动检测电池电压和短路检测电路检测输入电压或车辆电池是正常还是异常。 如果正常,控制单元控制驱动电路来驱动开/关检测电路,使得由外部锂电池供电的电力被发送到车辆电池。 如果异常,异常检测信号被发送到控制单元来驱动报警电路。 如果电池夹松动,则控制单元控制驱动电路停止驱动开/关检测电路,使得电力不被发送到车辆电池。
    • 8. 发明授权
    • High voltage direct current transmission and distribution system
    • 高压直流输配电系统
    • US09270119B2
    • 2016-02-23
    • US13901770
    • 2013-05-24
    • EATON CORPORATION
    • Harry BroussardGeraldo Nojima
    • H02J3/36H01H9/54H01H33/59H02H11/00
    • H02J3/36H01H9/548H01H33/596H02H11/005H02J2003/365Y02E60/60
    • A direct current to alternating current inverter sub-system is for a HVDC distribution system. The DC to AC inverter sub-system includes an enclosure and a DC to DC galvanically isolated buck converter having a DC input electrically connectable to a HVDC cable and a DC output. A DC to AC inverter includes a DC input electrically connected to the DC output of the DC to DC galvanically isolated buck converter and an AC output electrically connectable to an AC transmission line. The DC to AC inverter is mounted in an enclosure with the DC to DC galvanically isolated buck converter, in order that the DC output of the DC to DC galvanically isolated buck converter is directly electrically connected within the enclosure to the DC input of the DC to AC inverter.
    • 交直流逆变器子系统的直流电是用于HVDC配电系统。 直流到交流逆变器子系统包括外壳和直流到直流电隔离降压转换器,其具有可直接连接到HVDC电缆和DC输出的DC输入。 直流到交流逆变器包括电连接到直流到直流电隔离降压转换器的直流输出的直流输入和电连接到交流传输线的交流输出。 直流到交流逆变器安装在具有直流到直流电隔离降压转换器的外壳中,以便将直流到直流电隔离降压转换器的直流输出直接电连接到外壳内直流到直流输入 交流变频器。
    • 9. 发明申请
    • Ground Power Leakage Detection for Peripheral Printed Circuit Boards
    • 外围印刷电路板的接地漏电检测
    • US20140285929A1
    • 2014-09-25
    • US14355882
    • 2012-10-31
    • Electrolux Home Products Corporation N.V.
    • Marco LorenziPaolo DriussiAlessandro CeccoHubert Dorigo
    • H02H3/16
    • H02H3/162G01R31/025G01R31/2825H02H11/005
    • The present invention relates to an electric appliance (100) comprising an electric load (225), and a printed circuit board assembly (115) for electronically managing the electric appliance (100); the printed circuit board assembly comprises a slave printed circuit board (220s) operatively associated with the electric load (225) for driving it, and a master printed circuit board (220m) operatively associated with the slave printed circuit board (220s) and arranged for receiving an electric power supply (L, N) of the electric appliance and for selectively providing/stopping the provision of an operative electric power to the slave printed circuit board (220s) for energization/de-energization thereof. The master printed circuit board (220m) comprises a detection device (RSENSE, T1SENSE, T2SENSE) for detecting a dispersion of electric power towards ground of the electric load (225) and/or of the slave printed circuit board (220s) when the operative electric power is not provided to said slave printed circuit board (220s), and for providing, in response to the detecting, a control parameter indicative of the dispersion of electric power towards ground. The master printed circuit board (220m) further comprises a control unit (250) configured for receiving the control parameter, comparing the control parameter to a preset threshold value or range of values, and enabling provision of the operative electric power to the slave printed circuit board (220s) according to a result of such comparison.
    • 本发明涉及包括电力负载(225)的电器(100)和用于电子管理电器(100)的印刷电路板组件(115)。 所述印刷电路板组件包括与用于驱动所述电负载(225)可操作地相关联的从属印刷电路板(220s)和与所述从属印刷电路板(220s)可操作地相关联并被布置用于 接收所述电器的电源(L,N),并选择性地提供/停止向所述从属印刷电路板(220s)提供工作电力以使其通电/断电。 主印刷电路板(220m)包括检测装置(RSENSE,T1SENSE,T2SENSE),用于在操作时检测电力向电负载(225)和/或从印刷电路板(220s)的地面的电力分散 不向所述从属印刷电路板(220s)提供电力,并且用于响应于检测提供指示电力朝向地面的分散的控制参数。 主印刷电路板(220m)还包括被配置为接收控制参数的控制单元(250),将控制参数与预设的阈值或值范围进行比较,并且能够向从印刷电路提供工作电力 (220s)根据这种比较的结果。
    • 10. 发明申请
    • SYSTEM AND METHOD FOR FAULT ISOLATION AND LEAKAGE CURRENT DETECTION
    • 用于故障隔离和泄漏电流检测的系统和方法
    • US20090179655A1
    • 2009-07-16
    • US12342110
    • 2008-12-23
    • Albert Trenchs MaganaYann Darroman
    • Albert Trenchs MaganaYann Darroman
    • G01R31/02
    • H02H5/12G01R31/025G01R31/42H02H11/005
    • An inverter system for a vehicle comprising a housing, a primary stage, a secondary stage and a fault detection circuit is provided. The primary stage is configured to receive a first voltage signal from an energy power source to generate a second voltage signal. The secondary stage is configured to generate a third voltage signal in response to the second voltage signal. At least one of the primary and the secondary stages define at least one resistance point for discharging leakage current responsive to generating the third voltage signal. The fault detection circuit is configured to electrically couple the primary stage and the secondary stage to provide the second voltage signal to the secondary stage and to measure a portion of the third voltage signal to determine whether the leakage current being discharged through the at least one resistance point is within a predetermined current range.
    • 提供一种用于车辆的逆变器系统,其包括壳体,初级,次级级和故障检测电路。 初级级被配置为从能量电源接收第一电压信号以产生第二电压信号。 次级被配置为响应于第二电压信号产生第三电压信号。 主级和次级级中的至少一级限定了响应于产生第三电压信号而泄漏泄漏电流的至少一个电阻点。 故障检测电路被配置为将初级级和次级级电耦合以向第二级提供第二电压信号并测量第三电压信号的一部分,以确定泄漏电流是否通过至少一个电阻放电 点在预定电流范围内。