公开(公告)号：US20160218634A1

公开(公告)日：2016-07-28

申请号：US14916086

申请日：2014-05-07

Applicant: ZTE CORPORATION

Inventor： Fengfu DU ,  Jie FAN ,  Yaoguang GAO

IPC: H02M3/335

CPC classification number: H02M3/33546 ,  H02M3/33592 ,  H02M7/217 ,  Y02B70/1475

Abstract: Provided is apparatus and a method for driving synchronous rectifiers, which relate to the field of power supplies for communications. The apparatus includes: detection circuits, wherein each of the detection circuits is configured to detect drain and source voltages of one of synchronous rectifiers to obtain a detection signal for indicating a current direction in the one of the synchronous rectifiers; an isolated driving circuit, configured to generate isolated driving signals for driving the synchronous rectifiers according to the detection signals output by the detection circuits; and the synchronous rectifiers, configured to synchronously rectify input signals from a main transformer by using the isolated driving signals. The present disclosure can obtain the isolated driving signals of the synchronous rectifiers simply and effectively, and has a superior protective feature in case of shoot-through and other abnormalities.

Abstract translation: 提供了用于驱动同步整流器的装置和方法，其涉及通信用电源领域。 该装置包括：检测电路，其中每个检测电路被配置为检测同步整流器之一的漏极和源极电压，以获得用于指示所述同步整流器中的一个同步整流器中的电流方向的检测信号; 隔离驱动电路，被配置为根据由检测电路输出的检测信号产生用于驱动同步整流器的隔离驱动信号; 和同步整流器，被配置为通过使用隔离的驱动信号来同步整流来自主变压器的输入信号。 本公开可以简单有效地获得同步整流器的隔离驱动信号，并且在穿透等异常情况下具有优异的保护特性。

公开(公告)号：US20160241084A1

公开(公告)日：2016-08-18

申请号：US15024349

申请日：2014-06-19

Applicant: ZTE CORPORATION

Inventor： Cheng GUO ,  Feiyun TANG ,  Jie FAN ,  Yong LUO ,  Jianping ZHOU ,  Chuan HE ,  Chen LIU ,  Yaoguang GAO ,  Wei LIU ,  Beibei QIU ,  Jing WANG ,  Jianquan LIU ,  Lin CHI

IPC: H02J50/10 ,  H02J7/02 ,  B60L11/18 ,  H02J50/90

CPC classification number: H02J50/10 ,  B60L11/1803 ,  B60L11/182 ,  B60L11/1831 ,  B60L2210/10 ,  B60L2210/40 ,  B60L2230/16 ,  H02J7/025 ,  H02J17/00 ,  H02J50/12 ,  H02J50/90 ,  Y02T10/7005 ,  Y02T10/7088 ,  Y02T10/7216 ,  Y02T10/7241 ,  Y02T90/121 ,  Y02T90/122 ,  Y02T90/125 ,  Y02T90/127 ,  Y02T90/128 ,  Y02T90/14 ,  Y02T90/163

Abstract: A controlling method and device for a wireless power transfer system, wherein the wireless power transfer system includes a transmitting component and a receiving component, and further includes a contactless transformer & compensation (CT&C) circuit, and the controlling method includes: obtaining positional relationship information of the transmitting component and the receiving component; adjusting the number of coil turns of the transmitting component based on the positional relationship information, and making conditions of a CT&C voltage gain characteristic and an input impedance characteristic after a charging inverter bridge of the wireless power transfer system meet a charging condition. The abovementioned technical solution can provide a protection for a stable operation of the wireless power transfer system with a non-mechanical adjusting device, and the wireless charging can be achieved without using a mechanical adjusting device to align and range

Abstract translation: 一种无线电力传输系统的控制方法和装置，其中无线电力传输系统包括发射部件和接收部件，并且还包括非接触式变压器和补偿电路（CT＆C），该控制方法包括：获得位置关系信息 的发送部件和接收部件; 基于位置关系信息调整发送部件的线圈匝数，并且在无线电力传输系统的充电逆变桥之后使CT＆C电压增益特性和输入阻抗特性的条件满足充电条件。 上述技术方案可以通过非机械调节装置提供对无线电力传输系统的稳定操作的保护，并且可以在不使用机械调节装置对准和范围的情况下实现无线充电