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公开(公告)号：EP4130614A1
公开(公告)日：2023-02-08
申请号：EP21902140.9
申请日：2021-09-18
申请人： HEFEI MIDEA HEATING & VENTILATING EQUIPMENT CO., LTD. , GD Midea Heating & Ventilating Equipment Co., Ltd.
发明人： YAN, Libo , MA, Huanqiao , ZHANG, Tiegang , LI, Zhongzhen , CUI, Yuanbo
IPC分类号： F25B43/02
摘要： The present disclosure belongs to the technical field of air conditioners, and particularly relates to an oil separator and an outdoor unit of an air conditioner. The oil separator comprises a tank body, an inlet pipe, a gas outlet pipe and a separating member, the lower end of the tank body being provided with an oil outlet, the inlet pipe being connected to the tank body, the central line of the inlet pipe being parallel to a horizontal direction, the gas outlet pipe being connected to the upper end of the tank body, at least a part of the gas outlet pipe extending into the tank body, the separating member being arranged inside the tank body and spaced apart from the tank body, and a plurality of separating holes being provided in the separating member at intervals, wherein the tank body has an axial surface, the central line of the inlet pipe is eccentrically arranged relative to the axial surface, and the whole inlet pipe is positioned at one side of the axial surface. According to the oil separator in embodiments of the present disclosure, a mixture has a tangential speed and rotates in the tank body, oil-gas separation is realized by means of a centrifugal force, and the kinetic energy loss is reduced. The inlet pipe is parallel to the horizontal direction so as to prevent unnecessary collisions between the mixture and the upper end of the tank body, and to allow sufficient time for the mixture to be separated.
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公开(公告)号：EP3885662A1
公开(公告)日：2021-09-29
申请号：EP19902095.9
申请日：2019-06-05
申请人： HEFEI MIDEA HEATING & VENTILATING EQUIPMENT CO., LTD. , GD Midea Heating & Ventilating Equipment Co., Ltd.
发明人： YAN, Libo , YANG, Guozhong , WANG, Mingren , TAN, Zhijun , YANG, Shanshan
摘要： An air conditioner, and a control method and device for a heating system thereof, wherein the method comprises: obtaining ambient temperature and external heat exchanger evaporation temperature; obtaining external heat exchanger evaporation pressure, and obtaining, according to the external heat exchanger evaporation pressure, corresponding saturation temperature; and controlling a base plate heating device according to the ambient temperature, the external heat exchanger evaporation temperature, or the saturation temperature. Hence, the base plate heating device is controlled according to the ambient temperature, the saturation temperature corresponding to the external heat exchanger evaporation pressure, or the external heat exchanger evaporation temperature, to avoid freezing of the base plate of an air conditioner, and ensure normal drainage of the base plate during defrosting, thereby improving the stability and reliability of the air conditioner.
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3.发明公开
公开(公告)号：EP4357685A1
公开(公告)日：2024-04-24
申请号：EP23765963.6
申请日：2023-03-07
发明人： YAN, Libo , ZENG, Haiyuan , ZHANG, Feng , WANG, Feng
CPC分类号： F25B39/04 , F24F1/16 , F24F2110/6520180101 , F24F1/14 , F24F2110/6420180101 , F24F11/84 , F24F11/61 , F24F11/85 , F28F25/06
摘要： A spraying system and a control method and apparatus therefor, an electronic device, a readable storage medium, and an air conditioner. The spraying system comprises a water outlet device (1), a spraying branch (2), a return flow branch (3), and a nozzle (4); a water outlet (11) of the water outlet device (1), the spraying branch (2), and the nozzle (4) are sequentially connected; the spraying branch (2), the return flow branch (3), and a water inlet (12) of the water outlet device (1) are sequentially connected; an electromagnetic valve is disposed in the spraying branch (2) and/or the return flow branch (3), the electromagnetic valve being used to control opening and closing of the spraying branch (2) and/or the return flow branch (3); when the spraying branch (2) is open, liquid flowing out of the water outlet device (1) flows out of the nozzle (4) via the spraying branch (2); and when the return flow branch (3) is open, liquid flowing out of the water outlet device (1) flows into the water outlet device (1) via the return flow branch (3). In this way, implementation of intermittent spraying can be ensured in a spraying system provided with a water pump (5), and water supply pressure can be increased by means of the return flow branch (3), so that the water pump (5) does not need to be frequently started and stopped, and the temperature inside the pump is not increased, thereby ensuring the service life and spraying cooling effect of the system during water-saving operation of the spraying system.
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公开(公告)号：EP3502589A1
公开(公告)日：2019-06-26
申请号：EP16914024.1
申请日：2016-11-23
发明人： MA, Lihua , WANG, Mingren , YANG, Guozhong , YAN, Libo
IPC分类号： F25B43/00
摘要： A horizontal gas-liquid separator (100) for an air conditioner includes a housing (10) and a refrigerant inlet pipe (120). The housing (10) defines a cavity (110). The cavity (110) has a gas outlet (111) formed in the top of the cavity (110) and a liquid outlet (112) formed in the bottom of the cavity (110). A minimum distance between the gas outlet (111) and a left sidewall of the cavity (110) is denoted by L1, and a minimum distance between the liquid outlet (112) and the left sidewall of the cavity (110) is denoted by L2. The refrigerant inlet pipe (120) is located on a left side wall of the housing (10) and has an end extending into the cavity (10). A distance between an end face of the end of the refrigerant inlet pipe (120) and the left sidewall of the cavity (110) is denoted by L3, and L3≥L1, L3≥L2.
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公开(公告)号：EP3502589B1
公开(公告)日：2020-03-18
申请号：EP16914024.1
申请日：2016-11-23
发明人： MA, Lihua , WANG, Mingren , YANG, Guozhong , YAN, Libo
IPC分类号： F25B43/00
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