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1.发明申请CIRCUIT PROTECTION METHOD AND APPARATUS, CHARGING DEVICE AND COMPUTER STORAGE MEDIUM 有权电路保护方法和装置，充电装置和计算机存储介质公开(公告)号：US20160218532A1
公开(公告)日：2016-07-28
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
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 is received, and a received voltage value or current value 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 the input of a voltage or a current of the sending end is received; the received voltage or current is converted, and a voltage value of the processed voltage or a current value of the processed current is sampled; and when it is detected that the processed voltage value or 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 voltage or current is allowed to be outputted. The present disclosure also discloses a circuit protection apparatus, a charging device and a computer storage medium.
Abstract translation: 本公开公开了一种电路保护方法。 该方法包括：接收由发送端发送的电压或电流，对接收到的电压值或电流值进行采样; 当检测到采样电压值或当前值处于第一预设阈值范围时，预设输入控制开关被控制为导通，并且发送端的电压或电流的输入为 收到 接收的电压或电流被转换，并且对经处理电压的电压值或处理电流的电流值进行采样; 并且当检测到处理后的电压值或当前值处于第二预设阈值范围时，预设输出控制开关被控制为导通，并且允许输出处理的电压或电流。 本公开还公开了一种电路保护装置，充电装置和计算机存储介质。
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公开(公告)号：US10236729B2
公开(公告)日：2019-03-19
申请号：US15024364
申请日：2014-06-18
Applicant: ZTE Corporation
Inventor： Jing Wang , Yaoguang Gao , Jie Fan , Yong Luo , Jianping Zhou
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.
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公开(公告)号：US10050472B2
公开(公告)日：2018-08-14
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
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.
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公开(公告)号：US12222378B2
公开(公告)日：2025-02-11
申请号：US18013236
申请日：2021-06-28
Applicant: ZTE CORPORATION
Inventor： Qia Wang , Jianping Zhou , Guoxian Lin , Shanshan Fan , Ben E , Wei Zhang , Mingming Liu
Abstract: A ripple detection device and a ripple suppression device. The ripple detection device includes: a ripple sampling unit, at least two DC sampling units, and a digital signal processing unit; the ripple sampling unit outputs a first voltage signal at an output port of a non-isolated DC/DC bidirectional energy conversion unit to the digital signal processing unit; the DC sampling unit outputs a first DC signal in a second voltage signal at a connected port of the non-isolated DC/DC bidirectional energy conversion unit to the digital signal processing unit and blocks an AC signal in the second voltage signal to be output to the digital signal processing unit; the digital signal processing unit determines a ripple noise signal at the output port of the non-isolated DC/DC bidirectional energy conversion unit according to the first voltage signal and the first DC signal.
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5.发明公开公开(公告)号：US20230344353A1
公开(公告)日：2023-10-26
申请号：US18013497
申请日：2021-06-28
Applicant: ZTE Corporation
Inventor： Jianping Zhou , Qia Wang , Mingming Liu , Guoxian Lin , Ben E , Yulong Cui
CPC classification number: H02M3/1586 , H02M1/08
Abstract: Disclosed are a control method for a bidirectional DC converter, a control module for a bidirectional DC converter, a bidirectional DC converter, and a non-transitory computer-readable storage medium. The control method includes: determining an operating mode of the bidirectional DC converter according to an input voltage and an output voltage; respectively determining a duty cycle of a drive signal of the first switch transistor, a duty cycle of a drive signal of the second switch transistor, a duty cycle of a drive signal of the third switch transistor, and a duty cycle of a drive signal of the fourth switch transistor according to the operating mode of the bidirectional DC converter; and providing drive signals to gates of the first switch transistor, the second switch transistor, the third switch transistor and the fourth switch transistor respectively.
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Patent Agency Ranking
公开(公告)号：US10330711B2
公开(公告)日：2019-06-25
申请号：US15305104
申请日：2014-10-28
Applicant: ZTE CORPORATION
Inventor： Tao Liu , Jianping Zhou , Guoxian Lin , Jie Fan , Yong Luo
Abstract: A method and device for detecting inductor current of a PFC circuit are disclosed, which relates to the field of power supply technology. The method includes: detecting a voltage on a boost inductor of a critical-conduction mode PFC circuit, and obtaining an inductor voltage detection signal (S1); converting the inductor voltage detection signal into a voltage signal whose waveform is consistent with a current waveform of the inductor to serve as an inductor current detection signal, to perform loop protection on the PFC circuit or perform over-current protection on the PFC circuit by using the inductor current detection signal (S2).
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7.发明授权Current zero-cross detection device, signal acquisition circuit, and circuit system 有权目前的零交叉检测装置，信号采集电路和电路系统公开(公告)号：US09577512B2
公开(公告)日：2017-02-21
申请号：US14896668
申请日：2014-04-25
Applicant: ZTE CORPORATION
Inventor： Jing Wang , Junming Zhang , Jie Fan , Jianping Zhou
IPC: H02M1/42 , G01R19/175 , H02M7/219 , H02M1/00
CPC classification number: H02M1/42 , G01R19/175 , H02M1/4233 , H02M7/219 , H02M2001/0009 , Y02B70/126 , Y02P80/112
Abstract: Disclosed are a current zero-cross detection device, zero-cross current signal acquisition circuit and totem pole bridgeless circuit system. The current zero-cross detection device includes a current transformer, first sampling switch, second sampling switch, sampling resister, comparator. The current transformer includes a primary winding and a secondary winding; the primary winding is connected to a circuit to be detected; two ends of the secondary winding are connected respectively to drain electrodes of the first and second sampling switches; source electrodes of first and second sampling switches are connected to ground; two ends of the sampling resistor are connected respectively to the drain electrode and source electrode of the second sampling switch; the negative input end of the comparator is connected to the drain electrode of the second sampling switch, its positive input end is connected to a reference voltage; the first and second sampling switches are in ON or OFF state.
Abstract translation: 公开了目前的零交叉检测装置，零交叉电流信号采集电路和图腾柱无桥电路系统。 目前的零交叉检测装置包括电流互感器，第一采样开关，第二采样开关，采样电阻，比较器。 电流互感器包括初级绕组和次级绕组; 初级绕组连接到要检测的电路; 次级绕组的两端分别连接到第一和第二采样开关的漏电极; 第一和第二采样开关的源电极连接到地; 采样电阻的两端分别连接到第二采样开关的漏电极和源极; 比较器的负输入端连接到第二采样开关的漏电极，其正输入端连接到参考电压; 第一和第二采样开关处于ON或OFF状态。
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8.发明授权公开(公告)号：US12244232B2
公开(公告)日：2025-03-04
申请号：US18013497
申请日：2021-06-28
Applicant: ZTE Corporation
Inventor： Jianping Zhou , Qia Wang , Mingming Liu , Guoxian Lin , Ben E , Yulong Cui
Abstract: Disclosed are a control method for a bidirectional DC converter, a control module for a bidirectional DC converter, a bidirectional DC converter, and a non-transitory computer-readable storage medium. The control method includes: determining an operating mode of the bidirectional DC converter according to an input voltage and an output voltage; respectively determining a duty cycle of a drive signal of the first switch transistor, a duty cycle of a drive signal of the second switch transistor, a duty cycle of a drive signal of the third switch transistor, and a duty cycle of a drive signal of the fourth switch transistor according to the operating mode of the bidirectional DC converter; and providing drive signals to gates of the first switch transistor, the second switch transistor, the third switch transistor and the fourth switch transistor respectively.
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公开(公告)号：US10284093B2
公开(公告)日：2019-05-07
申请号：US15739442
申请日：2015-10-30
Applicant: ZTE CORPORATION
Inventor： Jie Fan , Jianping Zhou , Guoxian Lin
Abstract: The present disclosure discloses a power conversion apparatus and a method for configuring the same. The power conversion apparatus includes a boost unit and at least two power conversion units; each of the power conversion units has two input ends; an input end of the boost unit is connected with one end of an alternating-current power supply, and an output end of the boost unit is connected with one input end of a first power conversion unit of the plurality of power conversion units; one input end of a last power conversion unit of the plurality of power conversion units is connected with the other end of the alternating-current power supply; and the input ends of the plurality of power conversion units are connected in series, and the output ends of the plurality of power conversion units are connected in parallel.
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公开(公告)号：US10126148B2
公开(公告)日：2018-11-13
申请号：US15022620
申请日：2014-06-17
Applicant: ZTE Corporation
Inventor： Beibei Qiu , Wei Liu , Yong Luo , Jianping Zhou , Jie Fan
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.
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