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    • 43. 发明授权
    • UPS electricity supply control circuit and UPS electricity supply
    • UPS供电控制电路和UPS供电
    • US09570930B2
    • 2017-02-14
    • US13880002
    • 2011-10-19
    • Tong Ni
    • Tong Ni
    • H02J7/00H02J9/06H02M3/337
    • H02J7/0068H02J9/061H02J2009/067H02M3/337Y10T307/625
    • A UPS control circuit and a UPS is provided. The UPS includes a rechargeable battery and a UPS control circuit connected with the rechargeable battery. The UPS control circuit includes an input filtering circuit, a rectification circuit, an inversion circuit, a static transfer switch, an output filtering circuit, a control circuit, and a multipurpose DC/DC circuit connected between the rechargeable battery and an output terminal of the rectification circuit. The multipurpose DC/DC circuit is controlled by the control circuit. In a battery mode, the rechargeable battery supplies an input voltage to the inversion circuit via the multipurpose DC/DC circuit. In a mains power mode, the rechargeable battery is charged by an output voltage of the rectification circuit via the multipurpose DC/DC circuit. Therefore, no independent charging circuit is needed to charge the rechargeable battery, causing a simpler circuit structure and a lower cost, and providing greater value to the customer.
    • 提供UPS控制电路和UPS。 UPS包括可充电电池和与可充电电池连接的UPS控制电路。 UPS控制电路包括输入滤波电路,整流电路,反相电路,静态转换开关,输出滤波电路,控制电路和连接在可再充电电池与可充电电池的输出端子之间的多用途DC / DC电路 整流电路。 多功能DC / DC电路由控制电路控制。 在电池模式中,可再充电电池通过多用途DC / DC电路向反相电路提供输入电压。 在电源模式下,可充电电池通过多用途DC / DC电路由整流电路的输出电压充电。 因此,不需要独立的充电电路对可再充电电池充电,导致更简单的电路结构和更低的成本,并为客户提供更大的价值。
    • 45. 再颁专利
    • Bi-directional multi-port inverter with high frequency link transformer
    • 具有高频链路变压器的双向多端口逆变器
    • USRE43572E1
    • 2012-08-14
    • US12857250
    • 2010-08-16
    • Richard T. West
    • Richard T. West
    • H02J1/00H02J9/00H02J7/00
    • H02M7/4807H02J3/387H02J7/35H02J2001/004H02J2009/067H02M1/10H02M3/3374Y02B10/72Y02B90/14Y10T307/50Y10T307/615Y10T307/625Y10T307/658Y10T307/707
    • This invention is a multi-port power converter where all ports are coupled through different windings of a high frequency transformer. Two or more, and typically all, ports have synchronized switching elements to allow the use of a high frequency transformer. This concept and type of converter is known. This invention mitigates a number of limitations in the present art and adds new capabilities that will allow applications to be served that would otherwise not have been practical. A novel circuit topology for a four-quadrant AC port is disclosed. A novel circuit topology for a unidirectional DC port with voltage boost capabilities is disclosed. A novel circuit topology for a unidirectional DC port with voltage buck capabilities is disclosed. A novel circuit for a high efficiency, high frequency, bi-directional, AC semiconductor switch is also disclosed.
    • 本发明是一种多端口功率转换器,其中所有端口通过高频变压器的不同绕组耦合。 两个或更多个通常所有端口具有同步的开关元件以允许使用高频变压器。 这种转换器的概念和类型是已知的。 本发明减轻了本技术中的许多限制,并增加了将允许应用程序被服务的新功能,否则这些应用将不实用。 公开了一种用于四象限AC端口的新型电路拓扑。 公开了一种具有升压能力的单向DC端口的新型电路拓扑。 公开了一种具有电压降压能力的单向DC端口的新型电路拓扑。 还公开了一种用于高效率,高频率,双向AC交流半导体开关的新型电路。
    • 46. 发明授权
    • Direct current stabilizing power source apparatus
    • 直流稳压电源装置
    • US07750503B2
    • 2010-07-06
    • US11910215
    • 2006-03-09
    • Yoshiaki KotaniMotohiro Shimizu
    • Yoshiaki KotaniMotohiro Shimizu
    • H02J7/34
    • H02M3/33561H02J7/0065H02J9/061H02J2009/067Y10T307/625
    • A first primary winding N11 of a transformer 1 is connected with a commercial power source 30 via a transistor Q1, and a second primary winding N22 of the transformer 1 is connected with a backup battery 31 via a transistor Q2. An electric power on the second primary winding N12 is output for a controlling apparatus. When a voltage of the commercial power source 30 is larger than a predetermined value, a backup stopping circuit 10 turns off a LED 9 and stops the transistor Q2. The second primary winding N22 is connected with input terminals 14, 15 as a power source for charging a battery 31. While the transistor Q2 is stopped, an electric power for the battery is output from the second primary winding N22. Since the LED 9 turns on at the time of electric power breakdown, the electric power for the battery is stopped.
    • 变压器1的第一初级绕组N11经由晶体管Q1与商用电源30连接,变压器1的第二初级绕组N22经由晶体管Q2与备用电池31连接。 输出第二初级绕组N12上的电力用于控制装置。 当商用电源30的电压大于预定值时,备用停止电路10关闭LED 9并停止晶体管Q2。 第二初级绕组N22与作为用于对电池31充电的电源的输入端子14,15连接。当晶体管Q2停止时,从第二初级绕组N22输出用于电池的电力。 由于LED 9在电力击穿时导通,所以电池的电力停止。
    • 50. 发明申请
    • BI-DIRECTIONAL MULTI-PORT INVERTER WITH HIGH FREQUENCY LINK TRANSFORMER
    • 具有高频链路变压器的双向多端口逆变器
    • US20050040711A1
    • 2005-02-24
    • US10604876
    • 2003-08-22
    • Rick West
    • Rick West
    • H02M1/10H02M7/48H03K17/687H02H7/00
    • H02M7/4807H02J3/387H02J7/35H02J2001/004H02J2009/067H02M1/10H02M3/3374Y02B10/72Y02B90/14Y10T307/50Y10T307/615Y10T307/625Y10T307/658Y10T307/707
    • This invention is a multi-port power converter where all ports are coupled through different windings of a high frequency transformer. Two or more, and typically all, ports have synchronized switching elements to allow the use of a high frequency transformer. This concept and type of converter is known. This invention mitigates a number of limitations in the present art and adds new capabilities that will allow applications to be served that would otherwise not have been practical. A novel circuit topology for a four-quadrant AC port is disclosed. A novel circuit topology for a unidirectional DC port with voltage boost capabilities is disclosed. A novel circuit topology for a unidirectional DC port with voltage buck capabilities is disclosed. A novel circuit for a high efficiency, high frequency, bi-directional, AC semiconductor switch is also disclosed.
    • 本发明是一种多端口功率转换器,其中所有端口通过高频变压器的不同绕组耦合。 两个或更多个通常所有端口具有同步的开关元件以允许使用高频变压器。 这种转换器的概念和类型是已知的。 本发明减轻了本技术中的许多限制,并增加了将允许应用程序被服务的新功能,否则这些应用将不实用。 公开了一种用于四象限AC端口的新型电路拓扑。 公开了一种具有升压能力的单向DC端口的新型电路拓扑。 公开了一种具有电压降压能力的单向DC端口的新型电路拓扑。 还公开了一种用于高效率,高频率,双向AC交流半导体开关的新型电路。