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1. 发明公开

EP4354048A1 HEAT PUMP SYSTEM AND CONTROL METHOD THEREFOR 审中-实审
公开(公告)号：EP4354048A1
公开(公告)日：2024-04-17
申请号：EP22819590.5
申请日：2022-06-08
申请人： QINGDAO HISENSE HITACHI AIR-CONDITIONING SYSTEMS CO., LTD.
发明人： LI, Dongzhe , WANG, Yuanpeng , ZUO, Jixue , XIA, Xingxiang , CHEN, Weixing , PAN, Cuilian , GUAN, Qinghang , LI, Shoushan , WANG, Qingbo , FU, Hua
IPC分类号： F25B30/02 , F24D3/18 , F25B30/06 , F25B49/02
CPC分类号： F25B49/02 , F24D3/18 , F25B30/02 , F25B30/06
摘要： A heat pump system, which comprises at least one heat pump indoor unit. The heat pump indoor unit comprises a cascade heat exchanger (11) and a terminal heat exchanger assembly (16). The cascade heat exchanger (11) comprises a first heat exchange portion (12) and a second heat exchange portion (14), wherein the first heat exchange portion (12) is connected to a low-temperature-stage circulation pipeline (13), and there is a first refrigerant in the low-temperature-stage circulation pipeline (13); and the second heat exchange portion (14) is connected to a high-temperature-stage circulation pipeline (15), there is a second refrigerant in the high-temperature-stage circulation pipeline (15), and the second heat exchange portion (14) is configured to exchange heat with the first heat exchange portion (12). The terminal heat exchanger assembly (16) comprises a third heat exchange portion (18), a fourth heat exchange portion (19) and a terminal heat exchange portion (17), wherein the third heat exchange portion (18) is connected to the low-temperature-stage circulation pipeline (13); the fourth heat exchange portion (19) is connected to the high-temperature-stage circulation pipeline (15); and the terminal heat exchange portion (17) is connected to an indoor end apparatus, and is configured to exchange heat with the third heat exchange portion (18), or exchange heat with the fourth heat exchange portion (19), or exchange heat with the third heat exchange portion (18) and the fourth heat exchange portion (19).

2. 发明公开

EP4063750A1 AIR CONDITIONER 有权
公开(公告)号：EP4063750A1
公开(公告)日：2022-09-28
申请号：EP19953343.1
申请日：2019-12-13
申请人： Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd.
发明人： CAO, Fali , DENG, Yuping , LIU, Xiaolei , TANG, Yazhou , ZHANG, Heng
IPC分类号： F24F1/0068 , F25B39/00 , F28F9/02
摘要： An air conditioner. A heat exchanger is provided on a heat exchange loop. The heat exchanger comprises flat tubes (11), a second collecting main (02), a third collecting main (03), and a connecting tube (09). The second collecting main (02) communicates with the third collecting main (03) by means of the connecting tube (09). The second collecting main (02) communicates with the flat tube (11) in a downstream flow of the heat exchanger. The third collecting main (03) communicates with the flat tube (11) in an upstream flow of the heat exchanger. The second collecting main (02) comprises a cavity portion (021), a channel portion (022), and a turbulent flow portion (023). The cavity portion (021) communicates with the connecting tube (09). One end of the channel portion (022) communicates with the cavity portion (021), and the other end communicates with the flat tube (11). The turbulent flow portion (023) is provided in the cavity portion (021), thereby preventing an eddy current from causing a flow blind region in the cavity portion (021), disturbing a flow path of a refrigerant in the cavity portion (021), and facilitating mixing of refrigerants in a high-pressure region and a low-pressure region in the cavity portion (021). Therefore, refrigerants entering different channel portions (022) are evenly distributed, and flow rates of refrigerants in different mind a low-pressure region in the cavity portion (crochannels in the same flat tube (11) and in different flat tubes (11) in the same flow are uniform.

3. 发明公开

EP4050976A1 INTEGRATED AIR SOURCE HEAT PUMP 审中-实审
公开(公告)号：EP4050976A1
公开(公告)日：2022-08-31
申请号：EP20878371.2
申请日：2020-07-07
申请人： Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd.
发明人： ZHAO, Xijiang , GONG, Zhenhua , ZHANG, Dongli , YANG, Xiaoxia
IPC分类号： H05K7/02
摘要： Disclosed is an integrated air source heat pump. An electric appliance box is arranged in a containing space of a housing, a support is arranged in an inner space of the electric appliance box, a driving plate and a radiator are respectively arranged on two opposite sides of the support, a plurality of first air inlets are provided in the right side of an electric appliance box main body, a plurality of second air inlets are provided in a rear side thereof, a plurality of air outlets are provided in the left side thereof, and air enters into the electric appliance box from the first air inlets and the second air inlets under the action of air pressure and then flows out from the air outlets.

4. 发明公开

EP3697028A1 METHOD AND DEVICE FOR SIGNAL CONVERSION, HOME BUS SYSTEM (HBS) CIRCUIT, AND USER EQUIPMENT 有权转让
公开(公告)号：EP3697028A1
公开(公告)日：2020-08-19
申请号：EP18865821.5
申请日：2018-10-11
申请人： Qingdao Hisense Hitachi Air-Conditioning Systems Co. Ltd.
发明人： SHI, Jingfeng , DU, Minglong , HOU, Lei , GE, Leilei
IPC分类号： H04L12/40
摘要： A Home Bus System (HBS) circuit, applicable in implementing Home Bus (HB) communication via a microchip. The circuit comprises: a microchip, an HBS communication chip, a resistor, a capacitor, and a triode. The microchip comprises a universal asynchronous receiver-transmitter (UART) input pin and a Serial Peripheral Interface (SPI) output pin. The HBS communication chip comprises an input pin. The SPI output pin is connected to a base electrode of the triode and to a first end of the capacitor. A collecting electrode of the triode is connected to a first end of the resistor and to an input pin of the HBS communication chip. A transmitting electrode of the triode is grounded. A second end of the resistor is connected to a power supply. A second end of the capacitor is o grounded.

5. 发明授权

EP2789935B1 DRIVE CONTROL DEVICE AND METHOD OF ELECTRONIC EXPANSION VALVE 有权
公开(公告)号：EP2789935B1
公开(公告)日：2019-01-02
申请号：EP12876729.0
申请日：2012-06-21
申请人： Qingdao Hisense Hitachi Air-Conditioning Systems Co. Ltd.
发明人： LI, Xizhi , DENG, Yuping , ZHANG, Xianlin , HUANG, Shuliang
IPC分类号： F25B49/00 , F25B41/06 , F24F11/00 , F16K31/04

6. 发明公开

EP2916082A4 MULTI-COUPLED HEAT PUMP AIR-CONDITIONING SYSTEM AND METHOD OF CONTROLLING MULTI-COUPLED HEAT PUMP AIR-CONDITIONING SYSTEM 有权
标题翻译：多耦合热泵型空调器和方法用于控制多耦合热泵空调
公开(公告)号：EP2916082A4
公开(公告)日：2015-11-25
申请号：EP12887504
申请日：2012-11-02
申请人： QINGDAO HISENSE HITACHI AIR CONDITIONING SYSTEMS CO LTD
发明人： LIU MIN , CAO PEICHUN , LI YAJUN , ZHU XIAOLEI
IPC分类号： F24F3/14 , F24F1/00 , F24F11/00 , F24F13/30 , F25B5/02 , F25B13/00
CPC分类号： F24F1/0003 , F24F1/0059 , F24F13/30 , F25B13/00 , F25B2313/0234 , F25B2313/0314 , F25B2341/0662
摘要： Disclosed are a multi-coupled heat pump air-conditioning system and a method of controlling a multi-coupled heat pump air-conditioning system. The method comprises: after a convergence unit performs gas-liquid separation and compression of coolant outputted by a third end of a switching unit, outputting same to a first end of the switching unit; under the operating modes of cooling and dehumidifying without a temperature drop, driving refrigerant outputted by a second end of the switching unit to successively flow through a first heat exchange unit and a second electronic expansion valve (11), a second heat exchanger (13), a third electronic expansion valve (17), and a third heat exchanger (14), flow back into a fourth end of the switching unit via a first shutoff valve (8), and then be outputted from the third end; under the operating mode of heating, driving refrigerant outputted by the fourth end of the switching unit to successively flow through the third heat exchanger (14), the third electronic expansion valve (17), the second heat exchanger (13), and the second electronic expansion valve (11), flow back to the second end of the switching unit via a second shutoff valve (9) and a first heat exchange unit, and then be outputted from the third end. System costs can be lowered and the control precision of a multi-coupled heat pump air-conditioning system can be improved by applying the present invention.

7. 发明公开

EP2881583A1 METHOD AND DEVICE FOR OPTIMIZING OPERATIONAL CONTROL OF COMPRESSORS IN MULTI-COUPLE UNIT AIR-CONDITIONING SYSTEM 有权
标题翻译：优化多联机空调系统压缩机运行控制的方法和装置
公开(公告)号：EP2881583A1
公开(公告)日：2015-06-10
申请号：EP12882290.5
申请日：2012-08-09
申请人： Qingdao Hisense Hitachi Air-Conditioning Systems Co. Ltd.
发明人： SHI, Jingfeng , ZHANG, Wenqiang , LI, Yajun , MENG, Jianjun , MA, Yunchao
IPC分类号： F04B49/06 , F25B49/02
CPC分类号： F04B35/04 , F04B41/06 , F04B49/06 , F04B49/065 , F04B2203/0208 , F04B2205/09 , F25B49/022 , F25B2400/0751 , F25B2500/19 , F25B2600/02 , F25B2600/0253 , Y02B30/741
摘要： Disclosed is a method and a device for optimizing the operational control of compressors in a multi-couple unit air-conditioning system. The method comprises: acquiring rated output amount information and rated power consumption amount information of each of the compressors in the multi-couple unit air-conditioning system; acquiring a required output amount demand threshold value; and selecting the compressors and operating frequencies thereof, so that the total of the rated output amounts of the selected compressors is not less than the output amount demand threshold value and the total of the rated power consumption amounts of the selected compressors is the minimum, thus the actual operational energy efficiency ratio of the multi-couple unit air-conditioning system can be improved.
摘要翻译：公开了一种用于优化多联机单元空调系统中压缩机的运行控制的方法和装置。该方法包括：获取多联机空调系统中各压缩机的额定输出量信息和额定耗电量信息; 获取所需的输出量需求阈值; 并选择其压缩机及其工作频率，使得所选压缩机的额定输出量的总和不小于输出量需求阈值，并且所选压缩机的额定功耗量的总和为最小，因此可以提高多联机空调系统的实际运行能效比。

8. 发明公开

EP1291528A2 Scroll compressor and refrigerating system using ammonia group refrigerant 有权
标题翻译：使用氨基制冷剂的涡旋压缩机和制冷系统
公开(公告)号：EP1291528A2
公开(公告)日：2003-03-12
申请号：EP02020080.4
申请日：2002-09-06
申请人： Hitachi Air Conditioning Systems Co., Ltd.
发明人： Yasunori, Shunsuke, c/o Shimizu Works, Hitachi Air , Tojo, Kenji, c/o Shimizu Works, Hitachi Air , Matsunaga, Mutsunori, c/o Shimizu Works
IPC分类号： F04C23/00 , F04C18/02 , F04C29/00
CPC分类号： H02K3/44 , F04C23/008 , F04C29/0085 , F04C29/042 , F04C2240/803
摘要： The scroll compressor includes a scroll compression mechanism portion in combination of an orbiting scroll and a fixed scroll, a frame for supporting the compression portion, a rotary shaft fitted in the orbiting scroll, a motor portion coupled to the rotary shaft, and a hermetic chamber incorporating the above-mentioned components. Windings of a stator of a motor in the motor portion are formed of aluminum wires which are coated with fluororesin compound, that is, the aluminum wires are coated with fluororesin and is molded with a resin material. Ammonia group refrigerant is used in the scroll compressor. Further, a refrigerating system using the above-mentioned scroll compressor, is incorporated therein with a circuit for injecting ammonia group refrigerant into a compression room in the compression mechanism portion.
摘要翻译：该涡旋式压缩机包括：动涡旋盘和固定涡旋盘组合的涡旋压缩机构部分，用于支撑压缩部分的框架，装配在动涡旋盘上的旋转轴，连接到旋转轴的电动机部分以及密封室包含上述组件。马达部分中的马达的定子的绕组由铝丝形成，所述铝丝涂覆有氟树脂化合物，即，铝丝涂覆有氟树脂并且用树脂材料模制。涡旋式压缩机使用氨基制冷剂。此外，在使用上述涡旋式压缩机的制冷系统中，内置有用于将氨基制冷剂喷射到压缩机构部的压缩室内的回路。

9. 发明公开

EP1085277A3 Ammonia refrigerator 审中-公开
标题翻译：氨用制冷家电
公开(公告)号：EP1085277A3
公开(公告)日：2001-12-05
申请号：EP00106129.0
申请日：2000-03-21
申请人： Hitachi Air Conditioning Systems Co., Ltd.
发明人： Ichikawa, Yoshifumi, c/o Hitachi, Ltd. , Ohtahara, Makoto, c/o Hitachi, Ltd.
IPC分类号： F25B1/00 , F25B31/00 , H02K3/02 , F25B39/02 , F25D16/00 , F25B9/00 , F25B25/00 , F25D17/02
CPC分类号： F25D16/00 , F25B9/002 , F25B31/02 , F25B39/022 , F25D17/02
摘要： A highly efficient and compact ammonia refrigerator, whose safety is further improved, is obtained. The ammonia refrigerator uses ammonia as refrigerant and has an ammonia refrigerating cycle in which a compressor (1), a condenser (2), an expansion valve (3), and an evaporator (4) are connected through piping. The refrigerator comprises a casing (13) in which the compressor (12) and a motor (11) for driving the compressor (12) are accommodated and the refrigerant flows, a stator winding of the motor (11) made of an aluminum wire, and a brine cooled by the refrigerant which is compressed in the casing (13) and then evaporated in the evaporator (4).

10. 发明公开

EP4053462A1 DUCT-TYPE AIR CONDITIONER 审中-实审
公开(公告)号：EP4053462A1
公开(公告)日：2022-09-07
申请号：EP20880636.4
申请日：2020-03-16
申请人： Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd.
发明人： ZHANG, Wenqiang , ZHANG, Ronghai , YU, Detong , ZHANG, Biao
IPC分类号： F24F1/0063 , F24F1/0067 , F24F13/20 , F24F13/22 , F24F13/30
摘要： Disclosed is a duct-type air conditioner, comprising a housing (1), a heat preservation drainage device (2), a fan system (4) and a heat exchange system (3). The heat preservation drainage device (2) comprises an upper heat preservation member (21) and a water pan (22); the water pan (22) is located below the upper heat preservation member (21) and connected to the upper heat preservation member (21), and divides an inner cavity of the housing (1) into a first cavity and a second cavity which are independent; the fan system (4) is fixedly mounted in the first cavity; and the heat exchange system (3) is fixedly installed in the second cavity and located between the upper heat preservation member (21) and the water pan (22). The housing (1) comprises a box body with a downward opening, and the box body comprises a bottom plate (11). An assembly method for the duct-type air conditioner comprises: placing the box body with the opening facing upwards; installing the upper heat preservation member (21) on the bottom plate (11); installing the heat exchange system (3) above the upper heat preservation member (21); installing the water pan (22) above the heat exchange system (3) to be connected to the upper heat preservation member (21); and fixedly installing the fan system (4) in the first cavity. The number of parts is reduced, and so the number of screws to be used is reduced, such that the assembly efficiency is improved.

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