公开(公告)号：US20220123583A1

公开(公告)日：2022-04-21

申请号：US17298416

申请日：2019-06-13

Applicant: GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI

Inventor： Jing WANG ,  Shiyong JIANG ,  Wu WEN ,  Keqin LIU ,  Peng REN

IPC: H02J9/06 ,  H02M7/06 ,  H02M7/219 ,  H02M1/10

Abstract: A power conversion method, apparatus, and device, and a medium. The power conversion apparatus includes a configurable input interface, a power conversion circuit, and a configurable output interface. The configurable input interface is provided to configure a first electrical connection mode between an input power supply and the power conversion circuit, and to electrically connect the input power supply to the power conversion circuit. The configurable output interface is provided to configure a second electrical connection mode between a load and the power conversion circuit, and to electrically connect the load to the power conversion circuit. The power conversion circuit is provided to perform corresponding power conversion according to a parameter of the input power supply and a parameter of the load. The embodiments resolve at least the problem in the related art of poor general applicability of a power conversion apparatus, thereby improving the general applicability of the power conversion apparatus.

公开(公告)号：US20210344195A1

公开(公告)日：2021-11-04

申请号：US17270046

申请日：2019-07-22

Applicant: GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI

Inventor： Jing WANG ,  Shiyong JIANG ,  Keqin LIU ,  Wu WEN ,  Xuefen ZHANG ,  Peng REN

IPC: H02J1/06 ,  G01R31/40

Abstract: A control method for a direct current electrical device and a direct current electrical device. The method includes: acquiring input parameters of a power supply of the direct current electrical device (S102), identifying a type of the power supply according to the input parameters (S104), and determining an operation mode of the direct current electrical device corresponding to the type of the power supply, and controlling an operation of the direct current electrical device according to the operation mode (S106). The present disclosure improves the universality and operation performance of a direct current electrical device.

公开(公告)号：US20190219286A1

公开(公告)日：2019-07-18

申请号：US16327164

申请日：2017-04-18

Applicant: Gree Electric Appliances, Inc. of Zhuhai

Inventor： Jianhua LI ,  Hewei LOU ,  Keqin LIU ,  Weitao NI ,  Jing WANG

IPC: F24F5/00 ,  F24F11/46 ,  F24F11/64

CPC classification number: F24F5/0046 ,  F24F11/30 ,  F24F11/46 ,  F24F11/62 ,  F24F11/63 ,  F24F11/64 ,  F24F2005/0064 ,  F24F2110/00

Abstract: Disclosed is a control parameter determining method for a photovoltaic air conditioning system, specifically including: determining a real-time inductance parameter of a controlled object of the photovoltaic air conditioning system according to real-time grid-connected power of the photovoltaic air conditioning system; substituting the real-time inductance parameter into the controlled object of the control system to calculate a basic control parameter of the control system; presetting a plurality of adjustment parameters corresponding to different grid-connected power respectively; when the real-time grid-connected power is matched with one of the grid-connected power, selecting an adjustment parameter corresponding to the matched grid-connected power to modify the basic control parameter, to obtain a target control parameter. The present disclosure further disclosed a control parameter determining apparatus and a control system for a photovoltaic air conditioning system.

公开(公告)号：US20170314802A1

公开(公告)日：2017-11-02

申请号：US15526693

申请日：2015-08-21

Applicant: GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI

Inventor： Xuefen ZHANG ,  Zhigang ZHAO ,  Peng REN ,  Shiyong JIANG ,  Keqin LIU ,  Chongyang FENG ,  Jinrong YUAN ,  Yingyi JIANG

IPC: F24F11/00 ,  F24F5/00 ,  F03D9/25

CPC classification number: F24F11/77 ,  F03D9/00 ,  F03D9/25 ,  F24F5/0046 ,  F24F11/00 ,  F24F11/30 ,  F24F11/61 ,  F24F11/62 ,  F24F11/79 ,  F24F2005/0067 ,  F24F2110/10 ,  F24F2110/12 ,  F24F2110/32 ,  F24F2140/60 ,  Y02E10/725

Abstract: A method for controlling an air conditioner outdoor unit comprises: acquiring the working mode of the air conditioner outdoor unit; acquiring sensor parameters of the air conditioner outdoor unit according to the working mode, the sensor parameters including wind direction parameters read by a wind direction sensor (163) or temperature parameters read by a temperature sensor (161); determining control parameters for the air conditioner outdoor unit by the working mode and the sensor parameters corresponding to the working mode; driving the rotating speed of a fan (121) and the rotating angle of a wind direction adjusting device (125) by use of the control parameters. In addition, a control system for the air conditioner outdoor unit is also related to.