公开(公告)号：US10044284B2

公开(公告)日：2018-08-07

申请号：US15578255

申请日：2015-10-26

Applicant: ZTE CORPORATION

Inventor： Qia Wang ,  Jie Fan ,  Hongjin Liu ,  Guoxian Lin ,  Fengfu Du ,  Xiufeng Dong ,  Jianping Zhou

IPC: H02M7/219 ,  H02M3/335 ,  H02M1/32 ,  H02M1/088 ,  H02M1/00

Abstract: A synchronous rectifier driving method, a synchronous rectifier circuit and a switching power supply are provided, and the method includes: detecting an output current in a secondary winding of a transformer unit, and generating a first driving signal according to the output current; obtaining a protection signal according to a voltage signal of the secondary winding of the transformer unit in a synchronous rectifier circuit; correcting the first driving signal by using the obtained protection signal to obtain a second driving signal; and driving a rectifier in the synchronous rectifier circuit according to the second driving signal.

公开(公告)号：US10020663B2

公开(公告)日：2018-07-10

申请号：US15024913

申请日：2014-06-17

Applicant: ZTE Corporation

Inventor： Chen Liu ,  Chuan He ,  Jianping Zhou ,  Yong Luo ,  Jie Fan

IPC: H02J7/00 ,  H02J50/10

CPC classification number: H02J7/0029 ,  H02J7/0052 ,  H02J50/10 ,  H02J2007/0037 ,  H02J2007/0059

Abstract: The present disclosure discloses a circuit protection method. The method includes that: a voltage or a current sent by a sending end of a circuit protection apparatus is received, and a voltage value of the received voltage or a current value of the received current is sampled; when it is detected that the sampled voltage value or current value is in a first pre-set threshold range, a pre-set input control switch is controlled to be turned on, and an input of a voltage or a current of the sending end is received; the received voltage or the received current is converted and processed, and a voltage value of the processed received voltage or a current value of the processed received current is sampled; and when it is detected that the processed voltage value or the processed current value is in a second pre-set threshold range, a pre-set output control switch is controlled to be turned on, and the processed received voltage or the processed received current is allowed to be outputted. The present disclosure also discloses a circuit protection apparatus, a charging device and a computer storage medium.

公开(公告)号：US09899909B2

公开(公告)日：2018-02-20

申请号：US15028131

申请日：2014-06-20

Applicant: ZTE CORPORATION

Inventor： Guoxian Lin ,  Jianping Zhou ,  Tao Liu ,  Junming Zhang

IPC: H02M1/42 ,  H02M7/217 ,  H02M7/219 ,  H02M7/162 ,  H02M7/06 ,  H02M1/00

CPC classification number: H02M1/42 ,  H02M1/4225 ,  H02M2001/0058 ,  Y02B70/126 ,  Y02B70/1491 ,  Y02P80/112

Abstract: Disclosed are a totem-pole bridgeless power factor correction (PFC) soft switch control device and method, wherein, the device includes a totem pole bridgeless PFC circuit, and the totem pole bridgeless PFC circuit includes at least two bridge arms connected in parallel between a first connecting point and a second connecting point: the first bridge arm includes two switches or diodes connected in serial in a same direction, the second bridge arm includes two switches that are connected in serial in the same direction, the totem pole bridgeless PFC circuit includes at least one PFC inductor, and further a filter capacitor and a load connected in parallel between the first connecting point and the second connecting point.

公开(公告)号：US20160238411A1

公开(公告)日：2016-08-18

申请号：US15022620

申请日：2014-06-17

Applicant: ZTE CORPORATION

Inventor： Beibei Qiu ,  Wei Liu ,  Yong Luo ,  Jianping Zhou ,  Jie Fan

IPC: G01D5/20 ,  H02J50/10

CPC classification number: G01D5/204 ,  G01R25/00 ,  G01R31/42 ,  H02J5/005 ,  H02J17/00 ,  H02J50/10 ,  H02J50/90

Abstract: Disclosed is a detection method, a detection device and a computer storage medium for a non-contact transformer. The method includes that: a circuit parameter is acquired; the acquired circuit parameter is compared with a pre-stored circuit parameter corresponding to known air gap and dislocation distance information; and air gap and dislocation distance information of the non-contact transformer in a wireless energy transmission system are determined according to a comparison result.

Abstract translation: 本发明公开了一种用于非接触式变压器的检测方法，检测装置和计算机存储介质。 该方法包括：获取电路参数; 将获取的电路参数与对应于已知气隙和位错距离信息的预存电路参数进行比较; 根据比较结果确定无线能量传输系统中的非接触式变压器的气隙和位移距离信息。

公开(公告)号：US20160226318A1

公开(公告)日：2016-08-04

申请号：US15024364

申请日：2014-06-18

Applicant: ZTE CORPORATION

Inventor： Jing Wang ,  Yaoguang Gao ,  Jie Fan ,  Yong Luo ,  Jianping Zhou

IPC: H02J50/90 ,  H02J50/10

CPC classification number: H02J50/90 ,  H02J5/005 ,  H02J17/00 ,  H02J50/10 ,  H02J50/80

Abstract: Disclosed are a regulating method and system for a contactless transformer, applied to a regulating system including a contactless transformer and a detecting device (2), wherein the contactless transformer includes a transmitting end (11) and a receiving end (12), and the method includes: using the detecting device (2) to detect power transmission parameter information between a transmitting coil (111) and a receiving coil (121) of the contactless transformer, and a transmitting end controller (113) regulating operating parameters of a power transmitting end circuit (112) based on the power transmission parameter information; a receiving end controller (123) regulating operating parameters of a power receiving end circuit (122) based on the power transmission parameter information.

Abstract translation: 公开了一种应用于包括非接触变压器和检测装置（2）的调节系统的非接触式变压器的调节方法和系统，其中非接触式变压器包括发射端（11）和接收端（12），并且 方法包括：使用检测装置（2）检测非接触变压器的发送线圈（111）和接收线圈（121）之间的功率传输参数信息，以及发送端控制器（113），其调节功率传输的操作参数 终端电路（112）; 基于所述功率传输参数信息来调节受电端电路（122）的工作参数的接收端控制器（123）。