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1. 发明公开

EP3794539A1 INTERACTIVE SYSTEM FOR SHOPPING PLACE AND IMPLEMENTATION METHOD THEREOF 审中-公开
公开(公告)号：EP3794539A1
公开(公告)日：2021-03-24
申请号：EP19719718.9
申请日：2019-04-09
申请人： Carrier Corporation
发明人： SHAN, Tingting , ZHANG, ChaoChang , WANG, Lufei , HUANG, Wei , TIAN, Jian , GONG, LuJie
IPC分类号： G06Q30/00

2. 发明公开

EP3411652A1 REFRIGERATION DISPLAY CABINET SYSTEM 有权
公开(公告)号：EP3411652A1
公开(公告)日：2018-12-12
申请号：EP17703015.2
申请日：2017-01-23
申请人： Carrier Corporation
发明人： WANG, Lufei
IPC分类号： F28F9/02
CPC分类号： F25B5/02 , F25B39/028 , F25D23/023 , F28D1/0477 , F28F9/0275
摘要： A refrigeration display cabinet system including a cabinet body; a display region enclosed by the cabinet body and having a display port in communication with the external through an air curtain; and a refrigeration system including a compressor, a condenser, a throttling element, and an evaporator that sequentially communicate with each other through a pipeline; and a bypass heat exchanger, of which an inlet end and an outlet end are both connected to the evaporator; wherein the bypass heat exchanger is disposed to be in contact with the cabinet body, and exchanges heat with the display region. As a refrigerant of the bypass heat exchanger directly exchanges heat with the display region via a wall surface of the cabinet body, the heat exchange effect will be much better than that of indirectly transferring, through air, the refrigerating capacity carried by the refrigerant in the evaporator to the display region.

3. 发明公开

EP3511648A1 REFRIGERATION SYSTEM AND THE CONTROL METHOD THEREOF 审中-公开
公开(公告)号：EP3511648A1
公开(公告)日：2019-07-17
申请号：EP19150958.7
申请日：2019-01-09
申请人： Carrier Corporation
发明人： CHE, Chengjian , ZHANG, ChaoChang , WANG, Lufei , GONG, LuJie
IPC分类号： F25B5/02 , F25B6/04
摘要： A refrigeration system and a control method thereof are provided. The refrigeration system comprises: a refrigeration circuit formed by sequentially connecting a compressor (4), a condenser (1) and an evaporation portion provided with a throttle element (10), wherein the evaporation portion comprises a first-type evaporation branch and a second-type evaporation branch that are connected in parallel, the first-type evaporation branch is used for air conditioning, and the second-type evaporation branch is used for refrigerating or freezing products; and a heat recovery branch having a first end and a second end that are connected into the refrigeration circuit from between the downstream section of the compressor and the upstream section of the condenser, and a heat-recovery heat exchanger (8) disposed thereon, wherein the first-type evaporation branch has a first evaporator (9) and a first fan (7) for driving air to flow through the first evaporator, and the heat-recovery heat exchanger is disposed upstream or downstream the first evaporator in the direction of air flowing through the first evaporator. According to the refrigeration system and the control method thereof in this application, heat recycling is realized by disposing, on a refrigeration circuit, a heat recovery branch having a first end and a second end that are connected into the refrigeration circuit from between the downstream section of a compressor and the upstream section of a condenser, arranging a heat-recovery heat exchanger disposed on the heat recovery branch and a first evaporator at upstream and downstream positions in an air flow direction, and controlling on/off state of a flow path, thereby effectively achieving low temperature preservation of commodities in a refrigerated display cabinet, air conditioning for a commercial environment (such as a convenience store) where the refrigerated display cabinet is located, and energy efficiency improvement for the whole refrigeration system at the same time.

4. 发明公开

EP3411639A1 LIQUID ACCUMULATOR FOR HEAT EXCHANGE SYSTEM, REFRIGERATION SYSTEM HAVING THE SAME, CASCADE REFRIGERATION SYSTEM AND CONTROL METHOD THEREOF 审中-公开
公开(公告)号：EP3411639A1
公开(公告)日：2018-12-12
申请号：EP17703565.6
申请日：2017-01-23
申请人： Carrier Corporation
发明人： WANG, Lufei
IPC分类号： F25B41/00 , F25B49/02 , F25B9/00
CPC分类号： F25B41/003 , F25B9/008 , F25B49/02 , F25B2339/041 , F25B2400/0415 , F25B2400/05 , F25B2400/053 , F25B2400/16 , F25B2600/2501 , F25B2700/21152
摘要： A liquid accumulator (210) for heat exchange system, comprising: a liquid accumulator housing (215) provided with an air inlet (211), an air outlet (212), and a liquid inlet (213); and a cooling heat exchanger (214) disposed in the liquid accumulator housing, wherein the cooling heat exchanger comprises an inlet end (214a), a main body part (214c), and an outlet end (214b) in sequence; the inlet end of the cooling heat exchanger connected to the air inlet on the liquid accumulator housing; and the outlet end of the cooling heat exchanger arranged to be higher than a working liquid level of a refrigerant in the liquid accumulator. A high-temperature gaseous refrigerant that enters the liquid accumulator can fully exchange heat with a low-temperature liquid refrigerant in the liquid accumulator under guidance of the cooling heat exchanger, so that refrigerant is cooled before leaving the liquid accumulator, and can be further cooled in a downstream evaporative condenser.

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