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公开(公告)号：US09170306B2
公开(公告)日：2015-10-27
申请号：US13876914
申请日：2012-11-06
发明人： Ping Zheng , Ming Cui , Peng Zhao , Xuyang Wang , Peihuan Yang
CPC分类号： G01R31/40 , H02J3/383 , H02J2003/388 , Y02E10/563
摘要： The present invention provides an islanding detection method and an islanding detection system. The method includes: acquiring a voltage signal at a grid-connected node of a power generation system, and extracting phase information of the voltage signal; constructing a slip-mode frequency shift islanding detection curve in the form of a quadratic function according to the phase information; and generating a disturbance signal according to the slip-mode frequency shift islanding detection curve, and sending the disturbance signal to an inverter of the power generation system. The method and system can avoid a non-detection zone, and can perform an inverter islanding detection in a fast and accurate manner under simple control.
摘要翻译： 本发明提供一种孤岛检测方法和孤岛检测系统。 该方法包括：获取发电系统的并网节点处的电压信号，并提取电压信号的相位信息; 根据相位信息构造二次函数形式的滑模式频移孤岛检测曲线; 并根据滑移模式频移孤岛检测曲线产生干扰信号，并将干扰信号发送到发电系统的逆变器。 该方法和系统可以避免非检测区域，并且可以在简单的控制下以快速，准确的方式执行逆变器孤岛检测。
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2.发明申请PV JUNCTION UNIT, PV JUNCTION BOX AND METHOD FOR MONITORING CURRENT IN PV STRING 有权PV结功能单元，PV JUNCTION BOX和PV PV监测电流的方法公开(公告)号：US20150357968A1
公开(公告)日：2015-12-10
申请号：US14473329
申请日：2014-08-29
发明人： Peng Zhao , Xiaoyan Han , Ping Zheng , Peihuan Yang , Hangbin Song
摘要： A PV junction unit for joining a plurality of PV strings into a single string, comprising: a plurality of anode branch circuits; an anode busbar adapted to connect with an anode output end of each PV string via one corresponding anode branch circuit; a plurality of cathode branch circuits; a cathode busbar adapted to connect with a cathode output end of each PV string via one corresponding cathode branch circuit; resistors each of which is connected in series in one corresponding anode branch circuit connecting the anode output end of one corresponding PV string with the anode busbar, wherein each resistor has a theoretical resistance; voltage measuring devices each of which is connected in parallel with one corresponding resistor; and a processor connected with each of the voltage measuring devices, the processor configured to determine a current value in one PV string at least based on the theoretical resistance of the resistor in one anode branch circuit connected with the one PV string and based on a voltage value from the voltage measuring device in said one anode branch circuit connected with the one PV string.
摘要翻译： 一种PV接合单元，用于将多个PV串连接成单个串，包括：多个阳极分支电路; 阳极母线，其适于经由一个对应的阳极分支电路与每个PV串的阳极输出端连接; 多个阴极分支电路; 阴极汇流排，其适于经由一个对应的阴极支路与每个PV串的阴极输出端连接; 每个电阻器串联连接在一个对应的阳极分支电路中，该电路将一个对应的PV串的阳极输出端与阳极母线连接，其中每个电阻具有理论电阻; 每个电压测量装置与一个对应的电阻器并联连接; 以及与每个所述电压测量装置连接的处理器，所述处理器被配置为至少基于在与所述一个PV串连接的一个阳极支路中的所述电阻器的理论电阻和基于电压的电压来确定一个PV串中的电流值 所述一个阳极分支电路中的电压测量装置的值与一个PV串连接。
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公开(公告)号：US09742349B2
公开(公告)日：2017-08-22
申请号：US14473329
申请日：2014-08-29
发明人： Peng Zhao , Xiaoyan Han , Ping Zheng , Peihuan Yang , Hangbin Song
摘要： A PV junction unit for joining a plurality of PV strings into a single string, comprising: a plurality of anode branch circuits; an anode busbar adapted to connect with an anode output end of each PV string via one corresponding anode branch circuit; a plurality of cathode branch circuits; a cathode busbar adapted to connect with a cathode output end of each PV string via one corresponding cathode branch circuit; resistors each of which is connected in series in one corresponding anode branch circuit connecting the anode output end of one corresponding PV string with the anode busbar, wherein each resistor has a theoretical resistance; voltage measuring devices each of which is connected in parallel with one corresponding resistor; and a processor connected with each of the voltage measuring devices, the processor configured to determine a current value in one PV string at least based on the theoretical resistance of the resistor in one anode branch circuit connected with the one PV string and based on a voltage value from the voltage measuring device in said one anode branch circuit connected with the one PV string.
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公开(公告)号：US09325124B2
公开(公告)日：2016-04-26
申请号：US13955558
申请日：2013-07-31
发明人： Peng Zhao , Peihuan Yang , Ping Zheng , Xuyang Wang , Ming Cui
IPC分类号： H01R4/26 , H01R24/38 , H01R13/59 , H01R13/52 , H01R13/622 , H01R101/00
CPC分类号： H01R24/38 , H01R13/5205 , H01R13/59 , H01R13/622 , H01R2101/00
摘要： Embodiments of the present invention provide a photovoltaic (PV) connector, comprising a first connecting unit and a second connecting unit detachably connected with the first connecting unit, wherein the first connecting unit includes a first conductor, a first stop ring, a first housing and a first conductor core provided inside and detachably connected to the first housing; the first conductor is electrically connected with a pressing end of the first conductor core; the first stop ring is detachably connected with the first housing; the second connecting unit includes a second conductor, a second housing, a second stop ring and a second conductor core provided inside and detachably connected to the second housing; the second conductor is electrically connected with a pressing end of the second conductor core; the second stop ring is detachably connected with the second housing.
摘要翻译： 本发明的实施例提供了一种光伏（PV）连接器，包括第一连接单元和与第一连接单元可拆卸地连接的第二连接单元，其中第一连接单元包括第一导体，第一止动环，第一壳体和 第一导体芯，设置在内部并且可拆卸地连接到第一壳体; 第一导体与第一导体芯的按压端电连接; 所述第一止动环与所述第一壳体可拆卸地连接; 第二连接单元包括设置在内部并可拆卸地连接到第二壳体的第二导体，第二壳体，第二止动环和第二导体芯体; 所述第二导体与所述第二导体芯的按压端电连接; 第二止动环可拆卸地与第二壳体连接。
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公开(公告)号：US20140038456A1
公开(公告)日：2014-02-06
申请号：US13955558
申请日：2013-07-31
发明人： Peng Zhao , Peihuan Yang , Ping Zheng , Xuyang Wang , Ming Cui
IPC分类号： H01R24/38
CPC分类号： H01R24/38 , H01R13/5205 , H01R13/59 , H01R13/622 , H01R2101/00
摘要： Embodiments of the present invention provide a photovoltaic (PV) connector, comprising a first connecting unit and a second connecting unit detachably connected with the first connecting unit, wherein the first connecting unit includes a first conductor, a first stop ring, a first housing and a first conductor core provided inside and detachably connected to the first housing; the first conductor is electrically connected with a pressing end of the first conductor core; the first stop ring is detachably connected with the first housing; the second connecting unit includes a second conductor, a second housing, a second stop ring and a second conductor core provided inside and detachably connected to the second housing; the second conductor is electrically connected with a pressing end of the second conductor core; the second stop ring is detachably connected with the second housing.
摘要翻译： 本发明的实施例提供了一种光伏（PV）连接器，包括第一连接单元和与第一连接单元可拆卸地连接的第二连接单元，其中第一连接单元包括第一导体，第一止动环，第一壳体和 第一导体芯，设置在内部并且可拆卸地连接到第一壳体; 第一导体与第一导体芯的按压端电连接; 所述第一止动环与所述第一壳体可拆卸地连接; 第二连接单元包括设置在内部并可拆卸地连接到第二壳体的第二导体，第二壳体，第二止动环和第二导体芯体; 所述第二导体与所述第二导体芯的按压端电连接; 第二止动环可拆卸地与第二壳体连接。
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公开(公告)号：US20240295771A1
公开(公告)日：2024-09-05
申请号：US18027509
申请日：2022-03-23
发明人： Chaoyue Wang , Jianming Liu , Xunwang Yu , Wenbo Dong , Wei Kang , Huiming Wang , Xinyue He , Peng Zhao
IPC分类号： G02F1/13357
CPC分类号： G02F1/133606 , G02F2202/28
摘要： A displaying module and a method for manufacturing the same, and a displaying device, which relates to the technical field of displaying. The displaying module includes a liquid-crystal display panel, an adhering layer and an optical film that are arranged in layer configuration; the adhering layer is disposed between a shadow surface of the liquid crystal display panel and the optical film, and is configured for adhesively bonding the liquid crystal display panel and the optical film; and an orthographic projection of the adhering layer on the liquid crystal display panel covers at least an active area of the liquid-crystal display panel, and an orthographic projection of the optical film on the liquid crystal display panel covers at least the active area of the liquid-crystal display panel.
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公开(公告)号：US11164537B2
公开(公告)日：2021-11-02
申请号：US16768868
申请日：2019-12-19
发明人： Huiming Wang , Jing Ma , Rongcheng Liu , Xiuqin Yang , Peng Zhao , Yanwei Lv
IPC分类号： G09G3/36
摘要： The embodiments of the present disclosure propose a booster circuit and a method for driving the same, a shutdown circuit and a method for driving the same, and a display apparatus. The booster circuit includes a first input sub-circuit coupled to a first input signal terminal, a first voltage signal terminal, and an output signal terminal, and configured to transmit a first voltage signal at the first voltage signal terminal to the output signal terminal under control of a first input signal at the first input signal terminal; a second input sub-circuit coupled to a second input signal terminal, the first voltage signal terminal and a first node, and configured to transmit the first voltage signal at the first voltage signal terminal to the first node under control of a second input signal at the second input signal terminal; and a first storage sub-circuit coupled to the output signal terminal and the first node, and configured to cause a level of an output signal at the output signal terminal to be raised to a level higher than the first voltage signal.
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公开(公告)号：US20180275072A1
公开(公告)日：2018-09-27
申请号：US15793881
申请日：2017-10-25
发明人： Shufeng Wang , Jing Wang , Peng Zhao
IPC分类号： G01N21/84 , G02F1/13 , G02F1/1335
CPC分类号： G01N21/84 , G01N21/95 , G01N2021/8477 , G01N2021/9513 , G02F1/1309 , G02F1/133602
摘要： A substrate testing carrier and a substrate testing device are provided. The substrate testing carrier includes: a carrier body, the carrier body including a transparent carrying plate for placing a substrate to be tested, the transparent carrying plate including a first surface configured to be in contact with the substrate to be tested; at least one backlight source arranged at a side of the transparent carrying plate away from the first surface; a moving mechanism connected to the at least one backlight source and configured to move the at least one backlight source.
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公开(公告)号：US11386864B2
公开(公告)日：2022-07-12
申请号：US17262137
申请日：2020-04-13
发明人： Huiming Wang , Min Wang , Jing Ma , Peng Zhao , Xiuqin Yang
IPC分类号： G09G3/36
摘要： A display panel includes a plurality of source driving chips, a power management circuit, and a plurality of switching units. The power management circuit includes a first output terminal, and the first output terminal is configured to provide a digital power signal to the source driving chips; and the plurality of switching units are respectively arranged corresponding to at least one of the source driving chips, the switching units are connected to the first output terminal and the corresponding source driving chips, and at least part of the switching units are configured to turn on the corresponding source driving chips and the first output terminal in different time periods in response to different control signals.
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10.发明授权公开(公告)号：US11605360B2
公开(公告)日：2023-03-14
申请号：US17259218
申请日：2020-06-22
发明人： Xiuqin Yang , Rongcheng Liu , Peng Zhao , Huiming Wang , Jing Ma , Siying Lu , Chao Kong
摘要： Circuit and method for preventing screen flickering, a drive circuit for a display panel, and a display apparatus are provided, relating to the field of display technology. The circuit for preventing screen flickering includes a control sub-circuit configured to control a gate drive circuit of the display panel to output a gate cut-off level during a power-on period of the display panel. The gate drive circuit of the display panel is controlled to output the gate cut-off level during the power-on period, the gate cut-off level is provided to gate lines of the display panel such that TFTs connected to the gate lines are in cut-off state during the power-on period.
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