公开(公告)号：US20220367136A1

公开(公告)日：2022-11-17

申请号：US17320753

申请日：2021-05-14

Applicant: Siemens Industry, Inc.

Inventor： LUIS FERNANDO QUINTANA RAMOS ,  CARLOS ANDRES ESPINOSA PEREZ ,  ISMAEL FRANCISCO MORALES TREVINO

IPC: H01H71/40 ,  H01H71/74 ,  H01H71/02 ,  H01H71/08

Abstract: A molded case circuit breaker configured to protect its ports and cables is provided. The molded case circuit breaker comprises an electronic trip unit (ETU) including communication ports or a thermomagnetic trip unit (TMTU). The molded case circuit breaker further comprises a terminal cover configured to pass cables that connect to the communication ports of the ETU and pass the cables over lugs without touching the lugs. The molded case circuit breaker further comprises a cable box cover that protects the cables of the ETU from external harm. The terminal cover including an emboss fixture having emboss guides for alignment and fixing of the cable box cover. The electronic trip unit (ETU) or the thermomagnetic trip unit (TMTU) and the cable box cover are assembled with one or more screws. The cable box cover is prevented from falling after the one or more screws are taken out from the terminal cover regardless of how the circuit breaker is mounted.

公开(公告)号：US10818459B2

公开(公告)日：2020-10-27

申请号：US16362148

申请日：2019-03-22

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xiaoke Ran ,  Xiangmin Ma ,  Wei Guo

IPC: H01H71/04 ,  G01K3/00 ,  G01R19/10 ,  G08B21/18 ,  H01H71/08 ,  H01H71/24 ,  H01H71/40 ,  H05K1/18 ,  H01H83/14 ,  H01H11/00 ,  H01H71/12 ,  G01R1/20

Abstract: A miniature circuit breaker, a control method thereof, and a control system thereof, where the miniature circuit breaker includes a circuit breaker body and a current detection unit. The circuit breaker body and the current detection unit are located in respectively independent cavities in the circuit breaker and are electrically coupled to each other. After a current that flows from one end of the circuit breaker body flows through the current detection unit, the current flows into another end of the circuit breaker body. The current detection unit includes a voltage drop detection assembly and a signal output terminal. The voltage drop detection assembly includes a first voltage sampling point and a second voltage sampling point, where the first voltage sampling point and the second voltage sampling point are coupled to the signal output terminal.

公开(公告)号：US10128073B2

公开(公告)日：2018-11-13

申请号：US15387717

申请日：2016-12-22

Applicant: EATON CORPORATION

Inventor： Craig Joseph Puhalla ,  Brian Scott Jansto ,  Richard Paul Malingowski ,  James Patrick Sisley

IPC: H01H37/52 ,  H01H37/12 ,  H01H71/16 ,  H01H71/40 ,  H01H73/50

Abstract: A thermal trip assembly is for an electrical switching apparatus. The electrical switching apparatus includes a housing, separable contacts enclosed by the housing, an operating mechanism for opening and closing the separable contacts, and a number of shunts. The thermal trip assembly includes a load conductor, a bimetal adapted to cooperate with the operating mechanism to open the separable contacts in response to a trip condition, and a bypass heater element structured to be electrically connected to the shunts. The bypass heater element directs the flow of electric current to at least partially bypass the bimetal.

公开(公告)号：US10074502B2

公开(公告)日：2018-09-11

申请号：US14655915

申请日：2013-12-26

Applicant: Schneider Electric Industries SAS

Inventor： Junchang Shi ,  Yu Yu ,  Kunpeng Zhang

IPC: H01H89/00 ,  H01H50/18 ,  H01H50/36 ,  H01H37/52 ,  H01H71/16 ,  H01H69/01 ,  H01H71/40

CPC classification number: H01H89/00 ,  H01H37/52 ,  H01H50/18 ,  H01H50/36 ,  H01H69/01 ,  H01H71/164 ,  H01H71/405

Abstract: An overload protection device is disclosed, characterized in that, the overload protection device comprises a first heating band (i.e., a terminal); a second heating band; a bimetallic strip; a litzendraht wire; a lower part of the first heating band and a lower part of the bimetallic strip are mechanically connected with each other; two ends of the litzendraht wire mechanically connect with an upper part of the second heating band and an upper part of the bimetallic strip respectively.

公开(公告)号：US09916955B2

公开(公告)日：2018-03-13

申请号：US15345889

申请日：2016-11-08

Applicant: SCHNEIDER ELECTRIC INDUSTRIES SAS

Inventor： David Couzon ,  Jose Garcia ,  Sylvain Battail

IPC: H01H71/16 ,  H01H71/74 ,  H01H71/40 ,  H01H71/24 ,  H01H71/08

CPC classification number: H01H71/16 ,  H01H71/164 ,  H01H71/2463 ,  H01H71/40 ,  H01H71/7427 ,  H01H71/7436 ,  H01H2071/084

Abstract: A device for joining a bimetal strip and a component that acts as a support for the bimetal strip in a current breaking unit, the bimetal strip being electrically connected by a free end, to a input connection area, and by another end, by way of which the bimetal strip is fixed to the support, to a output connection area. The bimetal strip is mounted to pass through the support to be fixed at different locations along the length of the bimetal strip, the bimetal strip having a first part and a second part that are situated respectively on one side and the other of the support, the first part being on the side of the free end, corresponding to the usable surface of the bimetal strip, the length of the usable surface being variable depending on the insertion length of the bimetal strip in the support, the insertion length being determined depending on the calibre of the unit to obtain a constant thermal profile, regardless of the calibre, and to an electrical protection unit with same.

公开(公告)号：US09595410B2

公开(公告)日：2017-03-14

申请号：US14791574

申请日：2015-07-06

Applicant: Siemens Industry, Inc.

Inventor： Russell Thomas Watford

IPC: H01H37/52 ,  H01H36/02 ,  H01H71/40 ,  H01H71/74 ,  H01H89/00

CPC classification number: H01H37/52 ,  H01H36/02 ,  H01H71/405 ,  H01H71/7463 ,  H01H89/00

Abstract: A circuit breaker including an adjustable instantaneous trip level. Adjustable instantaneous trip level can be applied to a one-pole and/or two-pole circuit breakers including a thermal and magnetic mechanism, including AFCI, CAFCI, and/or GFCI constructions. The circuit breaker includes a magnet position adjustment mechanism allowing an operator to adjust the instantaneous trip level to a desired setting, such as between about 5 to 10 times the handle rating. The design also allows for alternate magnets to be used for either an increased or decreased instantaneous settings as desired. In two-pole circuit breakers, the instantaneous trip level can be set independently for each mechanism pole. Multi-pole circuit breakers and methods of adjusting instantaneous trip level are provided, as are other aspects.

Abstract translation: 一种断路器，其包括可调节的瞬时跳闸电平。 可调节的瞬时跳闸电平可以应用于包括AFCI，CAFCI和/或GFCI结构在内的热和磁机构的单极和/或两极断路器。 断路器包括磁铁位置调整机构，允许操作者将瞬时跳闸电平调整到所需的设定值，例如约5到10倍的手柄额定值。 该设计还允许替代磁体用于根据需要增加或减少的瞬时设置。 在两极断路器中，每个机构极可以独立设置瞬时跳闸电平。 提供多极断路器和调整瞬时跳闸电平的方法，以及其他方面。

公开(公告)号：US09425015B2

公开(公告)日：2016-08-23

申请号：US14559039

申请日：2014-12-03

Applicant: Siemens Aktiengesellschaft

Inventor： Esteban Sandoval Camacho ,  Stephen Scott Thomas

IPC: H01H81/00 ,  H01H83/00 ,  H01H75/12 ,  H01H77/00 ,  H01H71/74 ,  H01H71/40

CPC classification number: H01H71/7463 ,  H01H71/40 ,  H01H71/405

Abstract: A magnetic trip device of a thermal magnetic circuit breaker, a thermal magnetic circuit breaker that includes such a magnetic trip device, and a method for adjusting a magnetic field area of a magnetic trip device of a thermal magnetic circuit breaker, are disclosed. In an embodiment, the magnetic trip device includes at least an armature locator moveable arranged on a pin in order to adjust a magnetic field area, and an armature element fixed on a lower surface of the armature locator in order to interact with a yoke. The armature locator includes a stabilizer element in order to increase a contact area between the pin and the armature locator and/or a recess in order to receive at least an upper end of a spring element in order to space the armature element and the yoke from each other at least partially.

Abstract translation: 公开了一种热磁断路器的磁跳闸装置，包括这种磁脱扣装置的热磁断路器以及用于调节热断路器的磁跳闸装置的磁场面积的方法。 在一个实施例中，磁跳闸装置至少包括能够可移动地布置在销上以调整磁场面积的电枢定位器，以及固定在电枢定位器的下表面上以与轭相互作用的电枢元件。 电枢定位器包括稳定器元件，以便增加销和电枢定位器和/或凹部之间的接触面积，以便容纳至少弹簧元件的上端，以便使电枢元件和轭从 彼此至少部分。

公开(公告)号：US09425013B2

公开(公告)日：2016-08-23

申请号：US14572830

申请日：2014-12-17

Applicant: Siemens Aktiengesellschaft

Inventor： Zbynek Augusta ,  Frank Himmelein ,  Filip Musil

IPC: H01H9/00 ,  H01H50/64 ,  H01H50/18 ,  H01H71/24 ,  H01H71/40

CPC classification number: H01H50/64 ,  H01H50/18 ,  H01H71/2472 ,  H01H71/40 ,  H01H2071/407

Abstract: An overcurrent tripping device of an electrical switch for interrupting a current flow in an electrical circuit in the event of the occurrence of an overload or a short circuit is disclosed. In an embodiment, the overcurrent tripping device includes a thermal tripping device and a magnetic tripping device. A magnetic tripping device is disclosed which, in an embodiment, includes at least one yoke element for generating a magnetic field, an armature element responding to the magnetic field, and a spring element. The armature element is arranged on an armature carrier element, separated from the yoke element, by way of a first armature element end and is mounted pivotably about an armature element rotation axis. In addition, an electrical switch including an overcurrent tripping device, and a method for calibrating magnetic tripping of a magnetic tripping device of an electrical switch, are disclosed.

Abstract translation: 公开了一种用于在发生过载或短路的情况下中断电路中的电流的电开关的过电流跳闸装置。 在一个实施例中，过电流跳闸装置包括热脱扣装置和磁脱扣装置。 公开了一种磁跳闸装置，其在一个实施例中包括用于产生磁场的至少一个轭元件，响应于磁场的电枢元件和弹簧元件。 电枢元件通过第一电枢元件端部布置在与轭元件分离的电枢载体元件上，并且可绕电枢元件旋转轴线枢转安装。 此外，公开了一种包括过电流跳闸装置的电气开关和用于校准电开关的磁脱扣装置的磁脱扣的方法。

公开(公告)号：US09275816B2

公开(公告)日：2016-03-01

申请号：US14394256

申请日：2012-12-05

Applicant: RAZVOJNI CENTER ENEM NOVI MATERIALI D.O.O.

Inventor： Mitja Koprivsek

IPC: H01H77/06 ,  H01H89/00 ,  H01H71/40 ,  H01H37/52 ,  H01H37/64 ,  H01H50/54 ,  H01H50/64

CPC classification number: H01H89/00 ,  H01H37/52 ,  H01H37/64 ,  H01H50/54 ,  H01H50/641 ,  H01H71/16 ,  H01H71/40

Abstract: The disclosure refers to a switch which is suitable to protect an electric circuit against overloading. The switch generally consists of a triggering assembly as well as of an interrupting assembly, wherein said triggering assembly comprises and induction unit, a thermic interrupter and an actuating needle. The induction unit comprises a coil with a yoke intended to displace the actuating needle towards the triggering assembly, when the short circuit occurs. Said thermic interrupter comprises a bimetallic membrane, which is mechanically interconnected with the actuating needle and is in the case of excess current and generating of heat displaced towards the interrupting assembly. In order to provide such switch, which could moreover enable protection against transient voltage, e.g. due to thunder bolt, such switch is furnished with a varistor, which is located within the triggering assembly in a heat-conductive relationship with said thermic interrupter.

Abstract translation: 本公开涉及适于保护电路免受过载的开关。 开关通常由触发组件以及中断组件组成，其中所述触发组件包括感应单元，热断路器和致动针。 当发生短路时，感应单元包括具有轭的线圈，用于将致动针移向触发组件。 所述热断路器包括双金属膜，其与致动针机械地互连，并且在过电流的情况下并且产生朝向中断组件移位的热量。 为了提供这样的开关，其可以进一步防止瞬时电压的保护，例如， 由于雷电螺栓，这种开关配备有与所述热断路器处于导热关系的触发组件内的变阻器。

公开(公告)号：US20150318136A1

公开(公告)日：2015-11-05

申请号：US14797920

申请日：2015-07-13

Applicant: Siemens Industry, Inc.

Inventor： John DeBoer ,  Brian Timothy McCoy ,  Guang Yang ,  John Quentin Cowans

IPC: H01H71/24 ,  H01H71/40 ,  H01H71/02

CPC classification number: H01H71/2436 ,  H01H71/02 ,  H01H71/0271 ,  H01H71/1045 ,  H01H71/12 ,  H01H71/164 ,  H01H71/325 ,  H01H71/405 ,  H01H2071/168 ,  H01H2205/002 ,  Y10T29/49105

Abstract: Embodiments provide tripping unit of a circuit breaker. The tripping unit includes a magnet, a bimetal member extending alongside of the magnet, and an armature pivotable on the magnet, wherein the armature having an engagement portion engageable with the bimetal member at a moveable end of the bimetal member. Circuit breakers including triggering mechanisms and tripping units are also disclosed, as are low-profile, electronic circuit breakers including a maximum transverse width (Wt) limited to occupy only a single standard breaker panelboard location. System and methods are provided, as are other aspects.

Abstract translation: 实施例提供断路器的跳闸单元。 脱扣单元包括一个磁体，一个在磁体旁边延伸的双金属元件以及一个可枢转在磁体上的电枢，其中电枢具有一个接合部分，该接合部分可以在双金属件的可移动端处与双金属件接合。 还公开了包括触发机构和跳闸单元的断路器，以及包括最大横向宽度（Wt）限制为仅占用单个标准断路器面板板位置的薄型电子断路器。 提供了系统和方法，以及其他方面。