公开(公告)号：US20190115915A1

公开(公告)日：2019-04-18

申请号：US16149967

申请日：2018-10-02

Applicant: STMicroelectronics (Tours) SAS

Inventor： Ghafour Benabdelaziz ,  Cedric Reymond

IPC: H03K17/56 ,  H02P27/04 ,  H02M7/06

CPC classification number: H03K17/56 ,  H02M1/08 ,  H02M5/2573 ,  H02M7/06 ,  H02M7/1555 ,  H02P27/04 ,  H03K17/722 ,  H03K17/725 ,  H03K17/74

Abstract: A thyristor or triac control circuit includes a first capacitive element that is series-connected with a first diode between a first terminal and a second terminal intended to be coupled to a gate of the thyristor or triac. A second capacitive element is coupled between the second terminal and a third terminal intended to be connected to a conduction terminal of the thyristor or triac on the gate side of the thyristor or triac. A second diode is coupled between the third terminal and a node of connection of the first capacitive element and first diode.

公开(公告)号：US20170317526A1

公开(公告)日：2017-11-02

申请号：US15234242

申请日：2016-08-11

Applicant: HON HAI PRECISION INDUSTRY CO., LTD.

Inventor： CHIA-PENG WANG

IPC: H02J9/06 ,  H03K17/72

CPC classification number: H02J9/061 ,  H01H2071/124 ,  H02J9/06 ,  H03K17/72 ,  H03K17/725 ,  H03K2017/515

Abstract: A power switching device includes a primary power source, a backup power source, and a power switching circuit, and the power switching circuit can switch rapidly between the two or more power sources. The power switching circuit includes a first switching module, a second switching module, and a control module. The first switching module includes first through fourth relays, and first through fourth driving units. The first switching module also includes a first bidirectional thyristor and a second bidirectional thyristor. A power switching circuit is also provided.

公开(公告)号：US20170150568A1

公开(公告)日：2017-05-25

申请号：US15300065

申请日：2015-03-26

Applicant: Pansomic Intellectual Property Managment Co., Ltd.

Inventor： Masanori HAYASHI ,  Yoshifumi SUEHIRO ,  Kiyoshi GOTO

IPC: H05B33/08

CPC classification number: H05B33/0851 ,  H02M1/08 ,  H02M1/36 ,  H03K17/725 ,  H05B33/0809 ,  H05B33/0815 ,  H05B33/0818 ,  H05B33/0845 ,  H05B39/041 ,  H05B39/048 ,  Y02B20/148

Abstract: Light-dimming device includes: first and second terminals; switch including switching device connected between terminals; adjuster for varying conduction angle of switch; controller for controlling switch and power supply module for supplying power to controller. Controller includes zero-cross detection circuit for detecting zero-cross of AC voltage, control circuit for generating PWM signal of on-duty ratio corresponding to conduction angle from adjuster, and driver circuit for turning device on and off by PWM signal. Controller allows device to conduct and then turn off within variable period of time, from start of half cycle of AC voltage, shorter than half cycle. Circuit starts generation of pulse in PWM signal when prescribed period of time, shorter than variable period of time, from zero-cross of voltage elapses.

公开(公告)号：US20150077154A1

公开(公告)日：2015-03-19

申请号：US14551727

申请日：2014-11-24

Applicant: Eaton Corporation

Inventor： Kaijam M. Woodley

IPC: G01R31/26 ,  G01R31/34 ,  G01R19/00

CPC classification number: G01R31/2633 ,  G01R19/0092 ,  G01R31/263 ,  G01R31/34 ,  H02P1/423 ,  H03K17/166 ,  H03K17/725 ,  H03K2217/0009 ,  Y10T29/49002

Abstract: A system for measuring soft starter current includes a current monitoring system having a controller and a current transfer device that includes a first sold state switching device. A first current sensor is coupled to the first solid state switching device and the controller to sense off-state current of the first solid state switching device. The controller is configured to determine an operational status of the first solid state switching device.

Abstract translation: 一种用于测量软启动器电流的系统包括具有控制器和电流传输装置的电流监测系统，其包括第一销售状态开关装置。 第一电流传感器耦合到第一固态开关装置和控制器以感测第一固态开关装置的截止电流。 控制器被配置为确定第一固态切换装置的操作状态。

公开(公告)号：US20140327399A1

公开(公告)日：2014-11-06

申请号：US13886092

申请日：2013-05-02

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： JIAN-YI WU

IPC: H03K17/693 ,  H02J7/00

CPC classification number: H03K17/693 ,  H02J7/0052 ,  H03K17/725

Abstract: An apparatus includes multiple first channels configured to be coupled to a first boost capacitor and multiple second channels configured to be coupled to a second boost capacitor. Each channel includes a transistor switch and a gate driver configured to drive the transistor switch. The gate drivers in the first channels include switch sub-arrays configured to control which transistor switch in the first channels is driven using a voltage from the first boost capacitor. The gate drivers in the second channels include switch sub-arrays configured to control which transistor switch in the second channels is driven using a voltage from the second boost capacitor. The transistor switch in each channel may include first and second transistors having their sources coupled together, and each of the channels may further include a pull-down switch configured to pull the sources of the first and second transistors to ground.

Abstract translation: 一种装置包括被配置为耦合到第一升压电容器的多个第一通道和被配置为耦合到第二升压电容器的多个第二通道。 每个通道包括晶体管开关和配置成驱动晶体管开关的栅极驱动器。 第一通道中的栅极驱动器包括开关子阵列，其被配置为使用来自第一升压电容器的电压来控制第一通道中的哪个晶体管开关被驱动。 第二通道中的栅极驱动器包括开关子阵列，其被配置为控制使用来自第二升压电容器的电压来驱动第二通道中的哪个晶体管开关。 每个通道中的晶体管开关可以包括其源极耦合在一起的第一和第二晶体管，并且每个通道还可以包括被配置为将第一和第二晶体管的源拉到地的下拉开关。

公开(公告)号：US20110222198A1

公开(公告)日：2011-09-15

申请号：US12919264

申请日：2009-03-02

Applicant: John T. Knepler

Inventor： John T. Knepler

IPC: H02H3/08 ,  H05K13/00

CPC classification number: H03K17/0824 ,  H03K17/18 ,  H03K17/725 ,  H03K17/73 ,  Y10T29/49117

Abstract: A circuit and method protect switching devices from alternating current overload. By protecting the switching devices from AC overload, the reliability of the equipment using the switching devices is improved, cost for repair is decreased and information regarding the cause of the AC overload is available.

Abstract translation: 一种电路和方法保护开关器件免受交流负载过大。 通过保护交换设备免受交流过载，提高了使用交换设备的设备的可靠性，修复成本降低，有关交流负载的原因信息可用。

公开(公告)号：US20100141231A1

公开(公告)日：2010-06-10

申请号：US12592538

申请日：2009-11-25

Applicant: Glenn A. Duchene

Inventor： Glenn A. Duchene

IPC: G05F3/04

CPC classification number: H02M5/2573 ,  F02P3/08 ,  F23N2027/28 ,  H02P7/293 ,  H03K17/725

Abstract: Featured is igniter control circuitry that reduces the line voltage to the igniter and which maintains the igniter voltage relatively stable. More particularly, there is featured, a thyristor-based phase control circuit that reduces the RMS voltage being applied to an igniter when it is connected to the AC line or line voltage. The circuitry also is configured so that it opposes changes in line voltage such that the igniter voltage remains relatively stable when the line voltage increases or decreases relative to its nominal level. Such control circuitry includes a dual diac configuration, a relation oscillator configuration and one embodying both dual diac and relation oscillator configurations.

Abstract translation: 特色是点火器控制电路，其降低点火器的线路电压并且保持点火器电压相对稳定。 更具体地，特征在于，一种基于晶闸管的相位控制电路，其降低当点火器连接到AC线路或线路电压时施加到点火器的RMS电压。 该电路还被配置成使得其对抗线路电压的变化，使得当线路电压相对于其额定电平增加或减小时，点火器电压保持相对稳定。 这种控制电路包括双重diac配置，关系振荡器配置和体现双重diac和关系振荡器配置的一种。

公开(公告)号：US20070279070A1

公开(公告)日：2007-12-06

申请号：US11807510

申请日：2007-05-29

Applicant: Laurent Moindron

Inventor： Laurent Moindron

IPC: G01R31/08

CPC classification number: H03K17/082 ,  H03K17/136 ,  H03K17/14 ,  H03K17/292 ,  H03K17/725 ,  H03K2017/0806

Abstract: A method and a circuit for detecting an overheating of an electronic switch of power supply of a load by an A.C. voltage, in which a voltage representative of the temperature in the vicinity of the switch is compared with a threshold, the result of this comparison being sampled at frequency corresponding to an even multiple of the frequency of the A.C. power supply voltage, to provide a signal indicative of the fact that a temperature threshold has been exceeded.

Abstract translation: 一种用于通过交流电压来检测负载电源的电子开关的过热的方法和电路，其中表示开关附近的温度的电压与阈值进行比较，该比较的结果是 以对应于交流电源电压的频率的偶数倍的频率进行采样，以提供指示已经超过温度阈值的事实的信号。

公开(公告)号：US20050156557A1

公开(公告)日：2005-07-21

申请号：US11081165

申请日：2005-03-16

Applicant: William Mehlhorn

Inventor： William Mehlhorn

IPC: H02P1/42 ,  H03K17/292 ,  H03K17/30 ,  H02P7/58

CPC classification number: H02P1/44 ,  F04D15/0218 ,  G01F23/266 ,  H02P1/42 ,  H03K17/08 ,  H03K17/292 ,  H03K17/305 ,  H03K17/725 ,  Y10T307/779

Abstract: A compressor having a winding circuit and a driven member being driven in part by a winding of the winding circuit. The compressor further includes an auxiliary circuit connected in a parallel relationship with the winding circuit. The auxiliary circuit has an auxiliary circuit element and an electronic switch assembly connected in a series relationship such that the electronic switch assembly controls the current through the auxiliary circuit element.

Abstract translation: 具有绕组电路和被驱动部件的压缩机部分地由绕组电路的绕组驱动。 压缩机还包括与绕组电路并联连接的辅助电路。 辅助电路具有以串联方式连接的辅助电路元件和电子开关组件，使得电子开关组件控制通过辅助电路元件的电流。

公开(公告)号：US06590349B2

公开(公告)日：2003-07-08

申请号：US09879837

申请日：2001-06-12

Applicant: Laurent Moindron

Inventor： Laurent Moindron

IPC: H05B3700

CPC classification number: H03K17/136 ,  H03K17/725

Abstract: A bidirectional switch, including a first bidirectional switch between two power terminals of the switch, a low-voltage storage element between a first power terminal and a control terminal of the switch, and a control stage adapted to cause, upon each halfwave beginning of an A.C. supply voltage applied between the power terminals and when the switch is on, the charge of the storage element with a biasing depending on the sign of the halfwave.