公开(公告)号：US20190097416A1

公开(公告)日：2019-03-28

申请号：US15716922

申请日：2017-09-27

Applicant: EATON CORPORATION

Inventor： STEVEN CHRISTOPHER SCHMALZ ,  XIN ZHOU ,  NILESH ANKUSH KADAM ,  ABHIJEET NITIN RATHI

IPC: H02H5/04 ,  G01K7/24

Abstract: A receptacle includes an outlet, an interruption mechanism structured to activate to de-energize the outlet, a temperature sensing circuit including a resistor and a thermistor arranged as a voltage divider, wherein the thermistor has a resistance proportional to temperature, a comparator circuit structured to compare an output of the temperature sensing circuit to a predetermined reference voltage and to selectively output a signal based on the comparison of the output of the temperature sensing circuit and the predetermined reference voltage. The interruption mechanism is structured to activate to de-energize the outlet in response to the comparator circuit outputting the signal.

公开(公告)号：US20170178829A1

公开(公告)日：2017-06-22

申请号：US14976619

申请日：2015-12-21

Applicant: EATON CORPORATION

Inventor： XIN ZHOU ,  FRANK JOSEPH STIFTER, JR. ,  GERALD ZHENG ,  BRIAN SCOTT JANSTO ,  THEODORE JAMES MILLER

IPC: H01H9/02 ,  H01H50/36 ,  H01H7/06

CPC classification number: H01H9/0271 ,  H01H7/06 ,  H01H50/36 ,  H01H71/0228 ,  H01H71/125 ,  H01H71/2463

Abstract: An electrical switching apparatus includes a housing, a line terminal, a load terminal, separable contacts disposed on a conductive path between the line terminal and the load terminal, an operating mechanism structured to open and close said separable contacts, said operating mechanism including a trip bar, and an electronic trip unit. The electrical switching apparatus also includes a trip actuator assembly including an actuator housing coupled to said housing, an actuator coupled to said actuator housing, and a connector structured to electrically connect the actuator to an electronic trip unit. The electrical switching apparatus further includes a current transformer assembly including a rod-shaped conductor electrically coupled to the load terminal and a current transformer disposed around the rod-shaped conductor, wherein the electronic trip unit is structured to electrically control actuation of the actuator.

公开(公告)号：US20150372478A1

公开(公告)日：2015-12-24

申请号：US14312917

申请日：2014-06-24

Applicant: EATON CORPORATION

Inventor： XIN ZHOU ,  GERALD ZHENG ,  OLINA OUYANG ,  BRUCE WU ,  JACK GU

IPC: H02H5/04 ,  G01K7/01 ,  G01K13/00

CPC classification number: H02H5/048 ,  G01K1/143 ,  G01K1/18 ,  G01K7/01 ,  G01K13/00 ,  H01H71/125 ,  H01H71/22 ,  H01H2011/0068 ,  H01H2071/124 ,  H02H5/041 ,  H02H5/044

Abstract: A thermal trip assembly for use with a busbar includes a fastener, an insulating sleeve, a temperature sensor structured to sense a temperature of the busbar, and a thermal trip circuit structured to output a trip signal based on the sensed temperature. A portion of the insulating sleeve is disposed between the temperature sensor and the busbar. The fastener couples the insulating sleeve and the temperature sensor to the busbar with the insulating sleeve being in direct contact with a portion of the busbar.

Abstract translation: 与母线一起使用的热脱扣组件包括紧固件，绝缘套管，构造为感测母线温度的温度传感器，以及构造成基于感测到的温度输出跳闸信号的热跳闸电路。 绝缘套管的一部分设置在温度传感器和母线之间。 紧固件将绝缘套管和温度传感器耦合到母线，绝缘套管与母线的一部分直接接触。

公开(公告)号：US20180172767A1

公开(公告)日：2018-06-21

申请号：US15386953

申请日：2016-12-21

Applicant: EATON CORPORATION

Inventor： XIN ZHOU ,  ZHI GAO ,  JAMES L. LAGREE ,  ROBERT W. MUELLER

IPC: G01R31/333 ,  H01H9/54

CPC classification number: H01H9/54 ,  G01R31/3277 ,  H01H1/0015 ,  H01H71/04 ,  H01H2071/044

Abstract: An electronic trip unit for a circuit interrupter includes a line side voltage sensing module for measuring first voltages on a line side of separable contacts, a load side voltage sensing module for measuring second voltages on a load side of the separable contacts, a current sensor, and a main controller. The main controller is further structured and configured to: (i) for each of a plurality of arc interruption events in the circuit interrupter, determine a mass loss due to contact erosion during the arc interruption event based on one or more of the first voltages, the second voltages and the current measured by the current sensor, (ii) determine a total mass loss based on each determined mass loss due to contact erosion, and (iii) monitor a remaining life of the separable contacts based on the determined total mass loss due to contact erosion.

公开(公告)号：US20150171620A1

公开(公告)日：2015-06-18

申请号：US14132678

申请日：2013-12-18

Applicant: EATON CORPORATION

Inventor： XIN ZHOU ,  ROBERT W. MUELLER ,  DAVID R. ROHN

IPC: H02H7/22 ,  H01H9/30 ,  H02H1/00

CPC classification number: H02H3/16 ,  H01H9/30 ,  H01H83/20 ,  H01H2083/201 ,  H02H1/0015 ,  H02H3/021 ,  H02H7/222

Abstract: An electrical switching apparatus includes a transductor circuit that senses a direct current between at least one input terminal and at least one output terminal and outputs an alternating current proportional to the direct current between the input terminal and the output terminal. The electrical switching apparatus also includes a current sensor configured to sense an alternating current component of the direct current. The electrical switching apparatus further includes an alternating current electronic trip circuit including an arc fault detection circuit configured to detect an arc fault based on the sensed alternating current component. The alternating current electronic trip circuit is also configured to control pairs of separable contacts to trip open based on the alternating current output from the transductor circuit or the detected arc fault.

Abstract translation: 一种电气开关装置，包括：感测至少一个输入端子与至少一个输出端子之间的直流电流的输出电路，并输出与输入端子与输出端子之间的直流电流成正比的交流电流。 电气开关装置还包括被配置为感测直流电流的交流分量的电流传感器。 电气开关装置还包括交流电子跳闸电路，其包括电弧故障检测电路，该电弧故障检测电路被配置为基于感测到的交流分量来检测电弧故障。 交流电子跳闸电路还被配置为基于从变压器电路输出的交流电流或检测到的电弧故障来控制成对的可分离触点跳闸断开。

公开(公告)号：US20150114934A1

公开(公告)日：2015-04-30

申请号：US14066913

申请日：2013-10-30

Applicant: EATON CORPORATION

Inventor： MARK ALLAN JUDS ,  XIN ZHOU ,  AMOGH VILAS KANK ,  PAUL JASON ROLLMANN

IPC: H01H33/08

CPC classification number: H01H33/08 ,  H01H9/36 ,  H01H9/443

Abstract: An electrical switching apparatus for bi-directional direct current switching and interruption includes separable contacts, an operating mechanism to open and close the contacts, and an arc chute. The arc chute includes two ferromagnetic side members each having a first side and an opposite second side, the first side of a second ferromagnetic side member facing the first side of a first ferromagnetic side member, a first permanent magnet disposed on the first side of the first side member, a second permanent magnet disposed on the first side of the second side member, and a single set of a plurality of arc splitter plates disposed between the permanent magnets. The permanent magnets are substantially smaller in size than each of the side members. The arc chute is divided into two arc chambers each of which is for a corresponding direction of DC flow through the contacts.

Abstract translation: 用于双向直流切换和中断的电气开关装置包括可分离触点，用于打开和闭合触点的操作机构以及电弧槽。 电弧槽包括两个铁磁侧构件，每个铁磁侧构件具有第一侧和相对的第二侧，第二铁磁侧构件的第一侧面对第一铁磁侧构件的第一侧，第一永磁体设置在第一侧 第一侧构件，设置在第二侧构件的第一侧上的第二永磁体和设置在永磁体之间的单组多个分隔板。 永磁体的尺寸比每个侧构件的尺寸要小得多。 电弧槽被分成两个电弧室，每个电弧室用于通过触点的相应的DC流动方向。

公开(公告)号：US20150109078A1

公开(公告)日：2015-04-23

申请号：US14059621

申请日：2013-10-22

Applicant: EATON CORPORATION

Inventor： GERALD ZHENG ,  JACK GU ,  BRUCE WU ,  VIJAY BHAVARAJU ,  XIN ZHOU

IPC: G01R19/00 ,  H01H71/12

CPC classification number: G01R19/0092 ,  G01R15/18 ,  G01R19/18 ,  H01H71/125 ,  H02H1/0007 ,  H02H3/087

Abstract: A circuit for sensing a direct current includes a first resistance and a second resistance. A first portion of the direct current flows through the first resistance and a second portion of the direct current flows through the second resistance. The circuit further includes a current sensor having an opening, first and second conductors inductively coupled with the current sensor, and a switching circuit having a pair of switches structured to alternatingly switch in order that the second portion of the direct current alternatingly flows through the first and second conductors. The second portion of the direct current flowing through the first conductor passes through the opening of the current sensor in a first direction and the second portion of the direct current flowing through the second conductor passes through the opening of the current sensor in a second direction opposite to the first direction.

Abstract translation: 用于感测直流电路的电路包括第一电阻和第二电阻。 直流电流的第一部分流经第一电阻，第二部分直流电流流过第二电阻。 电路还包括电流传感器，其具有开口，与电流传感器感应耦合的第一和第二导体，以及开关电路，其具有一对开关，其被构造为交替地切换，以便直流的第二部分交替地流过第一 和第二导体。 流过第一导体的直流电流的第二部分沿着第一方向穿过电流传感器的开口，并且流过第二导体的直流的第二部分在相反的第二方向上穿过电流传感器的开口 到第一个方向。

公开(公告)号：US20130192376A1

公开(公告)日：2013-08-01

申请号：US13854523

申请日：2013-04-01

Applicant: EATON CORPORATION

Inventor： XIN ZHOU ,  THOMAS J. SCHOEPF

IPC: G01R31/08

CPC classification number: G01R31/08 ,  G01R31/04 ,  G01R31/086 ,  G01R31/1209 ,  G01R31/1272 ,  H02H1/0023 ,  H02H7/22

Abstract: An acoustic sensor system includes a first plurality of acoustic sensors, and an acoustic transmitter structured to generate acoustic noise to mimic acoustic noise induced by an electrical conductivity fault. A smaller second number of acoustic sensors of the first plurality of acoustic sensors are structured to identify a plurality of locations in an electrical distribution system having a plurality of electrical joints, in order that the smaller second number of acoustic sensors can monitor the plurality of electrical joints of the electrical distribution system.

Abstract translation: 声学传感器系统包括第一多个声学传感器，以及声发射器，其被构造为产生声学噪声以模拟由电导率故障引起的声学噪声。 第一多个声学传感器的较小的第二数量的声学传感器被构造成识别具有多个电接头的配电系统中的多个位置，以便较小的第二数量的声学传感器可以监测多个电气 配电系统的接头。