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公开(公告)号：US11739991B2
公开(公告)日：2023-08-29
申请号：US17046291
申请日：2018-08-28
发明人： Shiqiang Zhang , Lianfa Wu , Limin Li , Huachao Jiao , Bing Zhou , Peng Cao , Tao Feng
IPC分类号： F25B13/00 , F24F11/84 , F24F11/86 , F24F11/30 , F24F1/0068 , F24F1/32 , F24F1/48 , F25B29/00 , F25B49/02 , F25B41/20 , F24F140/00
CPC分类号： F25B13/00 , F24F1/0068 , F24F1/32 , F24F1/48 , F24F11/30 , F24F11/84 , F24F11/86 , F25B29/003 , F25B41/20 , F25B49/02 , F24F2140/00 , F25B2313/0231 , F25B2313/0253 , F25B2313/02742 , F25B2600/2501
摘要： An air conditioning system, including a compressor, two outdoor heat exchange units, a liquid pipe used for communicating with indoor units, a high-pressure gas tube and a low-pressure gas tube; the air conditioning system further includes a valve assembly. One outdoor heat exchange unit has a first state in which one end thereof communicates with the high-pressure gas tube and another end thereof communicates with the liquid pipe, and has a second state in which one end thereof communicates with the low-pressure gas tube and the other end thereof communicates with the liquid pipe. Further disclosed is a control method for the air conditioning system.
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公开(公告)号：US11585559B2
公开(公告)日：2023-02-21
申请号：US16649820
申请日：2018-09-12
发明人： Huachao Jiao , Jianguo Xiong , Shiqiang Zhang , Lianfa Wu , Bing Zhou , Zhiguang Huang , Donghui Li , Bo Qiu
IPC分类号： F24F11/67 , F24F11/66 , F24F11/64 , F24F1/0083 , F24F1/0003 , F24F1/0018 , F24F110/10
摘要： The present disclosure relates to a method of controlling operation state of multi-split air conditioner and system, and a heat pump multi-split. The control method includes: determining a target operation mode of each indoor unit according to an operation mode set by a user for the indoor unit; performing statistics on heat exchange demands of the indoor units corresponding to different target operation modes, and determining a dominant operation mode among the target operation modes according to the heat exchange demands; and using the dominant operation mode as the operation mode of an outdoor unit.
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公开(公告)号：US11408633B2
公开(公告)日：2022-08-09
申请号：US16645209
申请日：2018-09-06
发明人： Huachao Jiao , Shiqiang Zhang , Lianfa Wu , Jianguo Xiong , Bing Zhou , Zhiguang Huang , Donghui Li , Bo Qiu
摘要： The present disclosure discloses a control method for a multi-split air conditioning system and a multi-split air-conditioning system, the multi-split air conditioning system, including a compressor and a plurality of indoor units respectively arranged on a plurality of parallel branches, the indoor unit including a fan and the control method including: in a cooling mode, when the multi-split air conditioning system needs oil return, the multi-split air conditioning system opening a branch where an indoor unit in an off state is located, determining whether the indoor unit has reached a dewing condition, opening the branch on which the indoor unit is located, and controlling the fan of the indoor unit according to a determination result.
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4.发明申请公开(公告)号：US20200284461A1
公开(公告)日：2020-09-10
申请号：US16649820
申请日：2018-09-12
发明人： Huachao Jiao , Jianguo Xiong , Shiqiang Zhang , Lianfa Wu , Bing Zhou , Zhiguang Huang , Donghui Li , Bo Qiu
IPC分类号： F24F11/67 , F24F1/0003 , F24F1/0083 , F24F1/0018 , F24F11/64 , F24F11/66
摘要： The present disclosure relates to a method of controlling operation state of multi-split air conditioner and system, and a heat pump multi-split. The control method includes: determining a target operation mode of each indoor unit according to an operation mode set by a user for the indoor unit; performing statistics on heat exchange demands of the indoor units corresponding to different target operation modes, and determining a dominant operation mode among the target operation modes according to the heat exchange demands; and using the dominant operation mode as the operation mode of an outdoor unit.
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公开(公告)号：US20200278138A1
公开(公告)日：2020-09-03
申请号：US16646005
申请日：2018-08-30
发明人： Zhiguang Huang , Shiqiang Zhang , Lianfa Wu , Handong Xue , Fan Fan , Bing Zhou , Huachao Jiao
摘要： A mode switcher includes at least one mode conversion branch. The mode conversion branch includes: a liquid pipe section, a high-pressure gas pipe section and a low-pressure gas pipe section. The mode switcher further includes a high-pressure electronic expansion valve and a low-pressure electronic expansion valve, the high-pressure electronic expansion valve and the low-pressure electronic expansion valve are respectively arranged in series in the high-pressure gas pipe section and the low-pressure gas pipe section, so as to gradually be opened and closed during air conditioning mode switching to reduce a differential pressure between before and after a mode conversion operation. A heat recovery multi-split air conditioning system and control method are further provided.
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公开(公告)号：US12038195B2
公开(公告)日：2024-07-16
申请号：US17283479
申请日：2018-12-14
发明人： Shiqiang Zhang , Lianfa Wu , Limin Li , Huachao Jiao , Tao Feng , Bing Zhou , Peng Cao
CPC分类号： F24F13/30 , F24D17/0005 , F24F3/065 , F24F5/0096 , F24F11/84 , F25B13/00 , F24D2200/31 , F25B2313/02741 , F25B2600/25
摘要： An air conditioning system, comprising an outdoor unit and an indoor heat exchange mechanism. The indoor heat exchange mechanism comprises an air conditioner indoor unit and a first heat exchange mechanism used for at least one among water cooling, water heating and space heating. The present air conditioning system integrates various functions into one, such as air-conditioning refrigeration, air-conditioning heating, producing household cold water, producing household hot water, and home heating by means of connecting indoor units for cooling and heating, a water cooling mechanism, a water heating mechanism and a device for floor heating located indoors to one outdoor unit. Moreover, the system directly utilizes high-temperature refrigerant to heat water for floor heating.
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7.发明申请公开(公告)号：US20230023942A1
公开(公告)日：2023-01-26
申请号：US17786068
申请日：2020-11-25
发明人： Jianmin Guo , Shiqiang Zhang , Huachao Jiao
摘要： Provided are a control method and apparatus for increasing the amount of a circulating refrigerant, and an air conditioner. The control method includes: when a refrigerating capacity need is equivalent to a heating capacity need in the operation of an air-conditioning system, determining whether the discharge temperature of a compressor is greater than a preset safety alert value; if the discharge temperature of the compressor is greater than the safety alert value, adjusting the frequency of a fan of an outdoor heat exchanger; and when the discharge temperature of the compressor is not greater than the safety alert value, controlling to stop the adjustment of the frequency of the fan, and maintaining the air-conditioning system to operate at the adjusted current frequency of the fan.
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公开(公告)号：US20220011014A1
公开(公告)日：2022-01-13
申请号：US17283479
申请日：2018-12-14
发明人： Shiqiang Zhang , Lianfa Wu , Limin Li , Huachao Jiao , Tao Feng , Bing Zhou , Peng Cao
摘要： An air conditioning system, comprising an outdoor unit (1) and an indoor heat exchange mechanism (2). The indoor heat exchange mechanism (2) comprises an air conditioner indoor unit (21) and a first heat exchange mechanism (3) used for at least one among water cooling, water heating and space heating. The present air conditioning system integrates various functions into one, such as air-conditioning refrigeration, air-conditioning heating, producing household cold water, producing household hot water, and home heating by means of connecting indoor units for cooling and heating, a water cooling mechanism, a water heating mechanism and a device for floor heating located indoors to one outdoor unit, thereby conserving space and facilitating installation. Moreover, the system directly utilizes high-temperature refrigerant to heat water for floor heating, which replaces coal heating and boiler heating, conserves energy and is environmentally friendly to a greater degree, and improves the living environment.
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9.发明申请公开(公告)号：US20210025628A1
公开(公告)日：2021-01-28
申请号：US17066784
申请日：2020-10-09
发明人： Yuhai Su , Jianguo Xiong , Shiqiang Zhang , Huachao Jiao , Lianfa Wu , Han Gao
摘要： Disclosed are a method and device for controlling pressure of units with height drop, and an air conditioner device. The method includes: monitoring an operating mode of the unit; obtaining an operating parameter corresponding to the operating mode according to the operating mode; and adjusting an opening degree of an electronic expansion valve according to the operating parameter.
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10.发明申请公开(公告)号：US20210003305A1
公开(公告)日：2021-01-07
申请号：US16979588
申请日：2018-12-14
发明人： Shiqiang Zhang , Huachao Jiao , Jianguo Xiong , Lianfa Wu
摘要： The present disclosure relates to a method and device of combining outdoor units and rotating operation of outdoor units, and MSAC system, and relates to the field of unit technology. The method includes: determining a plurality of combination manners of the outdoor units, according to a capacity of an indoor unit currently turned on and a capacity of each of the outdoor units; sequencing the plurality of combination manners in priority, according to priority strategies; and sequentially rotating the outdoor units to operate, based on the sequenced combination manners.
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