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公开(公告)号：EP3279576A1
公开(公告)日：2018-02-07
申请号：EP15887320.8
申请日：2015-12-22
发明人： CHEN, Junwei , YANG, Guozhong
CPC分类号： F24F3/06 , F24F1/0003 , F24F11/30 , F24F11/62 , F24F11/65 , F24F11/89 , F24F2221/54 , F25B13/00 , F25B29/003 , F25B41/04 , F25B49/02 , F25B2313/006 , F25B2313/007 , F25B2313/0231 , F25B2313/0233 , F25B2313/0292 , F25B2313/0311 , F25B2400/23 , F25B2500/12 , F25B2600/2509 , F25B2600/2513 , F25B2600/2519
摘要： A variable refrigerant flow system, comprising an outdoor unit apparatus (10), a split-flow apparatus (30) and a plurality of indoor unit apparatuses (21, 22, 23, 24), wherein each of the indoor unit apparatuses (21, 22, 23, 24) comprises an indoor heat exchanger (211, 221, 231, 241) and a throttling element (212, 222, 232, 242), the split-flow apparatus (30) comprises a plurality of first control valves (302A, 302B, 302C, 302D) and a plurality of second control valves (303A, 303B, 303C, 303D) corresponding to each of the indoor unit apparatuses (21, 22, 23, 24), and when any one of the indoor unit apparatuses (21, 22, 23, 24) receives a mode switching instruction, the mode switching instruction is sent to the split-flow apparatus (30); and according to the mode switching instruction, the split-flow apparatus (30) determines whether the first control valves (302A, 302B, 302C, 302D) and the second control valves (303A, 303B, 303C, 303D) corresponding to the indoor unit apparatuses (21, 22, 23, 24) are open or closed. The variable flow refrigerant system can effectively reduce the noise produced when the indoor unit apparatuses switch modes, thereby improving the user's degree of comfort.
摘要翻译： 一种可变制冷剂流动系统，包括室外单元设备（10），分流设备（30）和多个室内单元设备（21,22,23,24），其中每个室内单元设备（21,22,23,24） 所述分流设备（30）包括多个第一控制阀（22,22,23,24），所述第一控制阀（22,22,23,24）包括室内热交换器（211,221,231,241）和节流元件（212,222,232,242） 302A，302B，302C，302D）和与各室内机装置（21,22,23,24）对应的多个第二控制阀（303A，303B，303C，303D） 设备（21,22,23,24）接收模式切换指令，将模式切换指令发送给分流设备（30）; 根据模式切换指示，分流装置（30）判断与室内机对应的第一控制阀（302A，302B，302C，302D）和第二控制阀（303A，303B，303C，303D） 设备（21,22,23,24）打开或关闭。 可变流量制冷剂系统可以有效地降低室内机装置切换模式时产生的噪音，从而提高用户的舒适度。
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2.发明公开
公开(公告)号：EP3156737A1
公开(公告)日：2017-04-19
申请号：EP15893004.0
申请日：2015-06-26
发明人： YANG, Guozhong , WEI, Fudang , LI, Yuanyang
CPC分类号： F24F11/42 , F24F11/63 , F24F11/871 , F24F2110/12 , F24F2110/22 , F24F2130/10 , F25B47/02
摘要： The present disclosure provides a defrosting method for an air conditioner. The method includes: acquiring outdoor temperature and outdoor humidity if the air conditioner enters a defrosting mode; judging whether the outdoor temperature and the outdoor humidity satisfy a predetermined condition; and controlling an outdoor fan to rotate reversely according to tube temperature of an outdoor heat exchanger and a defrosting period, so as to defrost a protecting housing surrounding the outdoor heat exchanger if it is judged that the outdoor temperature and the outdoor humidity satisfy the predetermined condition. The defrosting method may efficiently defrost the protecting housing surrounding the outdoor heat exchanger completely. The present disclosure further provides a defrosting device for an air conditioner.
摘要翻译： 本公开提供了一种用于空调的除霜方法。 该方法包括：如果空调器进入除霜模式，则获取室外温度和室外湿度; 判断室外温度和室外湿度是否满足预定条件; 并且如果判断室外温度和室外湿度满足预定条件，则根据室外热交换器的管温和除霜周期来控制室外风扇反向地旋转，以便对围绕室外热交换器的保护壳进行除霜 。 除霜方法可以完全对围绕室外热交换器的保护壳体进行有效除霜。 本公开还提供了一种用于空调的除霜装置。
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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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公开(公告)号：EP3477226A1
公开(公告)日：2019-05-01
申请号：EP17819180.5
申请日：2017-06-23
发明人： YANG, Guozhong , YANG, Kun
摘要： A multi-split system and a control method thereof are provided. The control method comprises the steps of: obtaining a discharge superheating degree from a compressor (3) and determining whether the discharge superheating degree is less than a first predetermined superheating degree; if the discharge superheating degree is less than the first predetermined superheating degree, further obtaining a pre-valve supercooling degree of a cooling throttle member (21), and determining whether the pre-valve supercooling degree is less than a predetermined supercooling degree; and if the pre-valve supercooling degree is less than the predetermined supercooling degree, controlling the degree of opening of the cooling throttle member (21) to remain unchanged, adjusting a vent target superheating degree of a plurality of indoor units (300) to a first target superheating degree, and controlling an indoor throttle member (21) of the plurality of the indoor units (300) according to the first target superheating degree. The method controls the cooling throttle member (21) to remain unchanged when the pre-valve supercooling degree of the cooling throttle member (21) is low, and controls the indoor cooling units (300) according to the adjusted target superheating degree, thereby rapidly setting the pre-valve supercooling degree of the cooling throttle member (21) while ensuring stable operation of the compressor (3).
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5.发明公开OUTDOOR UNIT FOR HEAT RECOVERY MULTI-SPLIT AIR CONDITIONING SYSTEM AND HEAT RECOVERY MULTI-SPLIT AIR CONDITIONING SYSTEM 审中-公开用于热回收的多室分体式多分体空调系统和热回收多分体空调系统
公开(公告)号：EP3208547A1
公开(公告)日：2017-08-23
申请号：EP16799184.3
申请日：2016-04-27
发明人： YANG, Guozhong , LI, Yueming
CPC分类号： F25B40/04 , F24F1/06 , F24F1/16 , F24F3/147 , F25B13/00 , F25B29/003 , F25B39/028 , F25B41/04 , F25B2313/0253
摘要： An outdoor unit (100) for a heat recovery VRF air conditioning system and a heat recovery VRF air conditioning system are provided. The outdoor unit (100) comprises: a compressor (2), having an exhaust port (a) and a gas return port (b); a reversing assembly (3), having a first valve port (c), a second valve port (d), a third valve port (e) and a fourth valve port (f); an outdoor heat exchanger (4), having a first end connected to the first valve port (f), and a second end connected to the second connector (12); a plurality of one-way valves, wherein each one-way valve has a circulation end and a stop end, and each one-way valve is opened only in one direction from the circulation end to the stop end; a throttling element (6); and a gas-liquid separator (9).
摘要翻译： 提供了用于热回收VRF空调系统和热回收VRF空调系统的室外单元（100）。 室外单元（100）包括：具有排气口（a）和气体返回口（b）的压缩机（2）; 具有第一阀口（c），第二阀口（d），第三阀口（e）和第四阀口（f）的换向组件（3）; 室外热交换器（4），其具有连接到所述第一阀口（f）的第一端和连接到所述第二连接器（12）的第二端; 多个单向阀，其中每个单向阀具有循环端和停止端，并且每个单向阀仅从循环端向停止端在一个方向上打开; 节流元件（6）; 和气液分离器（9）。
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公开(公告)号：EP3182038B1
公开(公告)日：2020-02-19
申请号：EP16827073.4
申请日：2016-04-26
发明人： YANG, Guozhong , SONG, Rui
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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：EP3208547B1
公开(公告)日：2019-06-19
申请号：EP16799184.3
申请日：2016-04-27
发明人： YANG, Guozhong , LI, Yueming
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公开(公告)号：EP3279599A1
公开(公告)日：2018-02-07
申请号：EP15887317.4
申请日：2015-12-21
发明人： YANG, Guozhong , LUO, Bin , TAN, Zhijun
CPC分类号： F28D7/0066 , F25B39/00 , F25B39/028 , F25B41/067 , F28F1/00 , F28F9/02 , F28F9/0263 , F28F9/0275 , F28F2009/029
摘要： Provided are a heat exchanger (100) and a multi-split system having the same. The heat exchanger (100) comprises a branch pipe (1) and a collecting pipe (2). The branch pipe (1) comprises a body (11), an inlet (12), and multiple flow separation holes. The inlet (12) is formed in the bottom of the body (11). The multiple flow separation holes are distributed in the side wall of the body (11) in the length direction of the body (11). In the direction from the bottom to the top, the body (11) comprises multiple segments of pipe bodies. In every two adjacent segments of pipe bodies, the flow area of a downstream pipe body is smaller than the flow area of an upstream pipe body, the height of each segment of pipe body is not greater than 0.5 meters, and the number N of the pipe bodies is greater than or equal to 2 and less than or equal to 3. The collecting pipe (2) and the branch pipe (1) are communicated by means of multiple heat exchange pipes, the multiple heat exchange pipes are distributed at intervals in the vertical direction, and the collecting pipe (2) has a refrigerant outlet (21).
摘要翻译： 提供了一种热交换器（100）和具有该热交换器（100）的多级分配系统。 热交换器（100）包括分支管（1）和收集管（2）。 分支管（1）包括主体（11），入口（12）和多个流动分离孔。 入口（12）形成在主体（11）的底部。 多个分流孔沿主体（11）的长度方向分布在主体（11）的侧壁中。 在从底部到顶部的方向上，主体（11）包括多段管体。 在管体的相邻两段中，下游管体的流通面积小于上游管体的流通面积，管体各段高度不大于0.5米，管体的数量N 管体大于或等于2且小于或等于3.集水管2与支管1通过多根换热管连通，多根换热管间隔分布 竖直方向，并且收集管（2）具有制冷剂出口（21）。
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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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