公开(公告)号：US10594131B2

公开(公告)日：2020-03-17

申请号：US15375324

申请日：2016-12-12

Applicant: Ze Chen

Inventor： Ze Chen ,  Xincheng Pan ,  Ye Zhang

IPC: H02H3/33

Abstract: The present disclosure relates to a power supply grounding fault protection circuit. A power supply grounding fault protection circuit may include a power supply circuit, a leakage grounding detection circuit, a signal amplifying and shaping circuit, a microcontroller control circuit, a power supply detection and indicator circuit, a tripping mechanism control circuit, a reverse grounding detection and execution circuit, a wireless network circuit, and an automatic resetting circuit. The practice of the present disclosure may permit a user to reset the grounding fault circuit interrupter remotely after a leaking fault of a circuit is eliminated.

公开(公告)号：US10410816B2

公开(公告)日：2019-09-10

申请号：US15582746

申请日：2017-04-30

Applicant: Ze Chen

Inventor： Ze Chen ,  Boon Lum Lim ,  Samuel Raj

IPC: H01H71/02 ,  H02H1/00 ,  H01H71/04 ,  H01H71/62 ,  H01H83/04 ,  H02H3/32 ,  H01H71/24 ,  H01H71/58 ,  H01H83/20

Abstract: In one example, a hybrid circuit interrupter may include a three-coil architecture, first coil circuitry, leakage detection circuitry, and a main processing circuit including a processor. The three-coil architecture may include a coil housing, three coils, and a plurality of coil assembly conductors. The coils may be disposed within the coil housing. The coil assembly conductors may be at least partially disposed within the coil housing. The first coil circuitry may be connected to the first coil and may generate first coil signals. The leakage detection circuitry may be connected to the other two coils and may generate a leakage signal. The processor may receive the first coil signals, receive the leakage signal, determine whether an arc fault exists based on the first coil signals, determine whether a ground fault exists based on the leakage signal, and generate a first trigger signal if a fault is determined to exist.

公开(公告)号：US20150014741A1

公开(公告)日：2015-01-15

申请号：US14370048

申请日：2012-03-05

Applicant: Ze Chen ,  Katsumi Nakamura

Inventor： Ze Chen ,  Katsumi Nakamura

IPC: H01L29/739 ,  H01L29/06 ,  H01L29/423

CPC classification number: H01L29/0634 ,  H01L29/0619 ,  H01L29/1095 ,  H01L29/404 ,  H01L29/4236 ,  H01L29/7397

Abstract: A semiconductor device includes a semiconductor substrate in which an active region and an edge termination region are defined, a semiconductor element formed in the active region, and first to fourth P layers formed in a region spanning from an edge portion of the active region to the edge termination region in the surface of the semiconductor substrate. The first to fourth P layers respectively have surface concentrations P(1) to P(4) that decrease in this order, bottom-end distances D(1) to D(4) that increase in this order, and distances B(1) to B(4) to the edge of the semiconductor substrate that increase in this order. The surface concentration P(4) is 10 to 1000 times the impurity concentration of the semiconductor substrate, and the bottom-end distance D(4) is in the range of 15 to 30 μm.

Abstract translation: 半导体器件包括其中限定有源区和边缘终端区的半导体衬底，形成在有源区中的半导体元件，以及形成在从有源区的边缘部分到 边缘端接区域。 第一至第四P层分别具有按此顺序降低的表面浓度P（1）至P（4），以该顺序增加的底端距离D（1）至D（4），距离B（1） 到B（4）到依次增加的半导体衬底的边缘。 表面浓度P（4）是半导体衬底的杂质浓度的10〜1000倍，底端距离D（4）在15〜30μm的范围内。

公开(公告)号：US08779875B2

公开(公告)日：2014-07-15

申请号：US13469342

申请日：2012-05-11

Applicant: Ze Chen ,  Gui Chen ,  Fengming Li

Inventor： Ze Chen ,  Gui Chen ,  Fengming Li

IPC: H01H73/12 ,  H01H73/00 ,  H01H83/06

CPC classification number: H01H73/44 ,  H01H83/04 ,  H01H83/20

Abstract: A ground fault circuit interrupter comprises a reset key, a reset locking mechanism, a reset mechanism, a reset bracket, a bracket reset mechanism, a bracket homing mechanism, a reset linkage mechanism, and a reset linkage clutching mechanism. A conductive assembly is configured to selectively connect or disconnect electrical continuity between the power input side and the load side. The conductive assembly comprises pairs of short-circuit conductive strips with conductive movable contacts, power input connection assemblies with input conductive stationary contacts, wiring output assemblies, receptacle output assemblies with output stationary contacts, and a first short-circuit conductor and a second short-circuit conductor. A reverse wiring protection device comprises an electromagnetic generating device having a power supply sub-circuit configured with a reed switch connected in series, an electromagnetic actuator bracket with a pair of conductive pads, each pad having a movable contact, an actuator bracket homing mechanism, and a normally open holding switch.

Abstract translation: 接地故障电路断路器包括复位键，复位锁定机构，复位机构，复位支架，支架复位机构，支架回原点机构，复位联动机构和复位联动离合机构。 导电组件被配置为选择性地连接或断开电力输入侧和负载侧之间的电连续性。 导电组件包括成对的具有导电可移动触头的短路导电条，具有输入导电固定触头的功率输入连接组件，布线输出组件，具有输出固定触点的插座输出组件，以及第一短路导体和第二短路导体， 电路导体。 反向布线保护装置包括具有串联连接的舌簧开关的电源子电路的电磁发生装置，具有一对导电垫的电磁执行器支架，每个垫具有可动触头，致动器支架回原点机构， 和常开保持开关。

公开(公告)号：US11948766B2

公开(公告)日：2024-04-02

申请号：US17945050

申请日：2022-09-14

Applicant: Ze Chen

Inventor： Ze Chen ,  Gui Chen

IPC: H01H71/50 ,  H01H75/04

CPC classification number: H01H75/04

Abstract: In one example, a reset switch assembly is provided. The reset switch assembly may include a reset button assembly, a slider, a leaf switch, and a trip coil assembly. The slider may have a at least a first slider position and a second slider position. In the first slider position, the trip coil assembly may engage the slider to the reset button assembly. The leaf switch may be biased to a closed position. In in the second slider position, the slider may maintain the leaf switch in an open position. In another example, a circuit interrupter including the reset switch assembly is provided.

公开(公告)号：US11594390B2

公开(公告)日：2023-02-28

申请号：US17207883

申请日：2021-03-22

Applicant: Ze Chen

Inventor： Ze Chen ,  Gui Chen

IPC: H01H71/02 ,  H02H1/00 ,  H01H71/04 ,  H01H71/62 ,  H01H83/04 ,  H02H3/32 ,  H01H47/00 ,  H01H50/02 ,  H01H50/44 ,  H01H83/14 ,  H02H3/16 ,  H02H3/33 ,  H01H71/24 ,  H01H71/58 ,  H01H83/20 ,  H01H89/00 ,  H02H3/04

Abstract: A circuit for a circuit interrupter is provided. The circuit may in include a first SCR configured to receive a first trigger signal at a gate of the first SCR, a second SCR configured to receive a second trigger signal at a gate of the second SCR, and a third SCR configured to receive a third trigger signal at a gate of the third SCR. A cathode of the first SCR may be connected to an anode of the third SCR. A cathode of the second SCR and a cathode of the third SCR may be connected to a ground. Methods of operating a circuit interrupter and a circuit are also provided.

公开(公告)号：US10439387B2

公开(公告)日：2019-10-08

申请号：US15393440

申请日：2016-12-29

Applicant: Ze Chen

Inventor： Ze Chen ,  Boon Lum Lim ,  Samuel Raj

IPC: H02H3/00 ,  H02H3/17 ,  H02H3/07 ,  H02H1/00

Abstract: In one example, a ground fault circuit interrupter is provided. It may include a current imbalance detection circuit configured to provide a leakage signal and a main processing circuit including a processor. The leakage signal may correspond to a current imbalance between a supply path and a return path. The processor may be configured to receive the leakage signal, analyze a time pattern of the leakage signal, determine whether a ground fault exists based on analysis of the time pattern, and generate a first trigger signal if the ground fault is determined to exist. The ground fault circuit interrupter may further include a back-EMF detection circuit configured to provide a back-EMF detection signal. Methods for detecting and responding to a ground fault are also provided.

公开(公告)号：US10409238B2

公开(公告)日：2019-09-10

申请号：US15222939

申请日：2016-07-28

Applicant: Ze Chen

Inventor： Ye Zhang ,  Meng Koo Chan ,  Ze Chen

IPC: G05F1/66 ,  G05B15/02 ,  H02H11/00 ,  H02J3/14 ,  H02J13/00

Abstract: Smart power socket comprising an MCU, a power supply circuit connected to the MCU, a wireless module circuit, and a drive switch control circuit, where the power supply circuit is connected to a low voltage power line, the wireless module circuit is connected to an external control device by means of wireless communication, and the drive switch control circuit is controlled by the MCU to implement controlling of on and off states of the smart power socket. Further, a smart home system comprising a remote control terminal and the smart power socket, where the smart power socket constitutes a LAN and is connected to Internet by means of a smart home gateway, and the remote control terminal is connected to the smart power socket by means of Internet to implement remote controlling of a household appliance plugged into the smart power socket.

公开(公告)号：US20140197451A1

公开(公告)日：2014-07-17

申请号：US14111168

申请日：2011-07-05

Applicant: Ze Chen ,  Katsumi Nakamura

Inventor： Ze Chen ,  Katsumi Nakamura

IPC: H01L29/739

CPC classification number: H01L29/7397 ,  H01L29/0615 ,  H01L29/063 ,  H01L29/0696 ,  H01L29/0821 ,  H01L29/0834 ,  H01L29/1095 ,  H01L29/41708 ,  H01L29/7393 ,  H01L29/861

Abstract: An insulated gate bipolar transistor having a gate electrode (7) and an emitter electrode (9) is provided in a transistor region. A termination region is arranged around the transistor region. A first N type buffer layer (18) is provided below an N type drift layer (1) in the transistor region. A P type collector layer (19) is provided below the first N type buffer layer (18). A second N type buffer layer (20) is provided below the N type drift layer (1) in the termination region. A collector electrode (21) is directly connected to the P type collector layer (19) and the second N type buffer layer (20). An impurity concentration of the second N type buffer layer (20) decreases as a distance from the collector electrode (21) decreases. The second N type buffer layer (20) does not form any ohmic contact with the collector electrode (21).

Abstract translation: 具有栅极（7）和发射极（9）的绝缘栅双极晶体管设置在晶体管区域中。 端子区域布置在晶体管区域周围。 第一N型缓冲层（18）设置在晶体管区域中的N型漂移层（1）的下方。 在第一N型缓冲层（18）的下方设置有P型集电体层（19）。 第二N型缓冲层（20）设置在终端区域中的N型漂移层（1）的下方。 集电极（21）直接连接到P型集电极层（19）和第二N型缓冲层（20）。 随着与集电极（21）的距离减小，第二N型缓冲层（20）的杂质浓度降低。 第二N型缓冲层（20）不与集电极（21）形成任何欧姆接触。

公开(公告)号：US20130021120A1

公开(公告)日：2013-01-24

申请号：US13469342

申请日：2012-05-11

Applicant: Gui Chen ,  Ze Chen ,  Fengming Li

Inventor： Gui Chen ,  Ze Chen ,  Fengming Li

IPC: H01H77/06

CPC classification number: H01H73/44 ,  H01H83/04 ,  H01H83/20

Abstract: A ground fault circuit interrupter comprises a reset key, a reset locking mechanism, a reset mechanism, a reset bracket, a bracket reset mechanism, a bracket homing mechanism, a reset linkage mechanism, and a reset linkage clutching mechanism. A conductive assembly is configured to selectively connect or disconnect electrical continuity between the power input side and the load side. The conductive assembly comprises pairs of short-circuit conductive strips with conductive movable contacts, power input connection assemblies with input conductive stationary contacts, wiring output assemblies, receptacle output assemblies with output stationary contacts, and a first short-circuit conductor and a second short-circuit conductor. A reverse wiring protection device comprises an electromagnetic generating device having a power supply sub-circuit configured with a reed switch connected in series, an electromagnetic actuator bracket with a pair of conductive pads, each pad having a movable contact, an actuator bracket homing mechanism, and a normally open holding switch.

Abstract translation: 接地故障电路断路器包括复位键，复位锁定机构，复位机构，复位支架，支架复位机构，支架回原点机构，复位联动机构和复位联动离合机构。 导电组件被配置为选择性地连接或断开电力输入侧和负载侧之间的电连续性。 导电组件包括成对的具有导电可移动触头的短路导电条，具有输入导电固定触头的功率输入连接组件，布线输出组件，具有输出固定触点的插座输出组件，以及第一短路导体和第二短路导体， 电路导体。 反向布线保护装置包括具有串联连接的舌簧开关的电源子电路的电磁发生装置，具有一对导电垫的电磁执行器支架，每个垫具有可动触头，致动器支架回原点机构， 和常开保持开关。