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公开(公告)号：EP3128248A1
公开(公告)日：2017-02-08
申请号：EP14885903.6
申请日：2014-03-17
发明人： MATSUI, Shigeyoshi , OKAZAKI, Takashi , ISHIBASHI, Akira , HIGASHIIUE, Shinya , ITO, Daisuke , UGAJIN, Yuki , NISHIYAMA, Takumi
CPC分类号： F25B40/06 , F25B13/00 , F25B49/005 , F25B49/022 , F25B2313/0314 , F25B2313/0315 , F25B2400/0401 , F25B2400/08 , F25B2600/0253 , F25B2600/0271 , F25B2700/1931 , F25B2700/21152 , Y02B30/741
摘要： An air-conditioning apparatus has a refrigerant circuit in which a refrigerant mixture containing refrigerant to undergo disproportionation flows, and a compressor, a first heat exchanger, an expansion unit and a second heat exchanger are connected by pipes, and a controller configured to control an operation of the refrigerant circuit, and the controller has a composition acquisition unit configured to acquire a composition of the refrigerant to undergo disproportionation, a threshold value determination unit configured to determine a threshold temperature and a threshold pressure, based on the composition acquired by the composition acquisition unit and a temperature pressure table representing a relation of a discharge temperature and a discharge pressure, and a disproportionation suppression unit configured to suppress disproportionation of the refrigerant mixture by reducing the discharge temperature and the discharge pressure of the refrigerant mixture to be lower than the threshold temperature and the threshold pressure determined by the threshold value determination unit.
摘要翻译： 本发明提供一种空气调节装置，该空气调节装置具有制冷剂回路，该制冷剂回路使含有经过歧化的制冷剂的制冷剂混合物流动，压缩机，第一热交换器，膨胀部及第二热交换器通过配管连接， 所述控制部具有：构成取得部，其取得进行了歧化处理的制冷剂的组成;阈值决定部，其根据由所述构成物取得的构图来决定阈值温度和阈值压力 获取单元和表示排出温度和排出压力的关系的温度压力表以及歧化抑制单元，该歧化抑制单元被配置为通过将制冷剂混合物的排出温度和排出压力降低到低于 脱粒 老温度和由阈值确定单元确定的阈值压力。
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公开(公告)号：EP3121534A1
公开(公告)日：2017-01-25
申请号：EP14886214.7
申请日：2014-03-17
发明人： NISHIYAMA, Takumi , OKAZAKI, Takashi , MATSUI, Shigeyoshi , ISHIBASHI, Akira , HIGASHIIUE, Shinya , UGAJIN, Yuki , ITO, Daisuke
IPC分类号： F25B1/00
CPC分类号： F25B49/02 , C09K5/045 , C09K2205/126 , C09K2205/32 , F25B9/006 , F25B40/00 , F25B41/04 , F25B41/046 , F25B2400/01 , F25B2400/051 , F25B2400/121 , F25B2400/23 , F25B2500/26 , F25B2600/2507 , F25B2700/04 , F25B2700/2103
摘要： A refrigeration cycle apparatus avoids refrigerant conditions causing a disproportionation reaction and exhibit high performance with safety even when a refrigerant causing the disproportionation reaction is used as one component of a zeotropic refrigerant mixture in the refrigeration cycle apparatus. The refrigeration cycle apparatus uses, as a working refrigerant, the zeotropic refrigerant mixture of a first refrigerant and a second refrigerant having a higher boiling point than that of the first refrigerant under the same pressure, and includes at least a main passage sequentially connecting a compressor, a first heat exchanger, an expansion valve, a gas-liquid separator, and a second heat exchanger. The first refrigerant causes the disproportionation reaction. In an initial state after startup of the compressor, the refrigeration cycle apparatus performs an initial operation decreasing a temperature or a pressure of refrigerant discharged from the compressor to be lower than that in a normal operation based on an amount of liquid refrigerant in the gas-liquid separator.
摘要翻译： 制冷循环装置即使在制冷循环装置中使用引起歧化反应的制冷剂作为非共沸混合制冷剂的一种成分，也能够避免引起歧化反应的制冷剂条件，并且安全地发挥高性能。 该制冷循环装置使用相同压力下的第一制冷剂和沸点比第一制冷剂高的第二制冷剂的非共沸混合制冷剂作为工作制冷剂，并且至少包括主通路，该主通路依次连接压缩机 ，第一热交换器，膨胀阀，气液分离器和第二热交换器。 第一种制冷剂引起歧化反应。 在压缩机启动后的初始状态下，基于气液分离器中的液体制冷剂量，制冷循环装置进行使从压缩机排出的制冷剂的温度或压力比通常运转时低的初始运转。 液体分离器。
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公开(公告)号：EP4242569A1
公开(公告)日：2023-09-13
申请号：EP20960833.0
申请日：2020-11-06
IPC分类号： F28F9/00
摘要： An outdoor heat exchanger (11) includes a first heat exchange module (21a) and a second heat exchange module (21b), as heat exchange modules (21) each including a plurality of heat transfer tubes (23) and a securing connector (25) that holds the heat transfer tubes (23). The securing connector (25) has a holder plate (27a) holding one end of each of the heat transfer tubes (23), and a pair of side plates (29a) extending from the holder plate (27a) away from the heat transfer tubes (23). The pair of side plates (29a) of the securing connector (25) of the first heat exchange module (21a) is joined to the pair of side plates (29a) of the securing connector (25) of the second heat exchange module (21b). The securing connectors (25) of both of the first heat exchange module (21a) and the second heat exchange module (21b) define a space, and the heat transfer tubes (23) of the first heat exchange module (21a) and the heat transfer tubes (23) of the second heat exchange module (21b) communicate with the space.
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公开(公告)号：EP3904786A1
公开(公告)日：2021-11-03
申请号：EP21179119.9
申请日：2018-05-17
发明人： MAEDA, Tsuyoshi , ISHIBASHI, Akira , ITO, Daisuke
摘要： A refrigeration cycle apparatus includes a refrigerant circuit (10) including a compressor (1), a condenser (2), a pressure reducing device (3), and an evaporator (4) connected by a refrigerant pipe. A refrigerant including a refrigerant having flammability is used as refrigerant circulating in the refrigerant circuit. The evaporator and the pressure reducing device are accommodated in a unit (200). The evaporator is disposed in the unit in such a manner that a linear distance between a refrigerant inlet of the evaporator and a refrigerant outlet of the pressure reducing device is shorter than a linear distance between a refrigerant outlet of the evaporator and the refrigerant outlet of the pressure reducing device.
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公开(公告)号：EP3795927A1
公开(公告)日：2021-03-24
申请号：EP18919177.8
申请日：2018-05-17
发明人： MAEDA, Tsuyoshi , ISHIBASHI, Akira , ITO, Daisuke
摘要： A refrigeration cycle apparatus includes a refrigerant circuit including a compressor, a condenser, a pressure reducing device, and an evaporator connected by a refrigerant pipe. A refrigerant including a refrigerant having flammability is used as refrigerant circulating in the refrigerant circuit. The evaporator and the pressure reducing device are accommodated in a unit. The evaporator is disposed in the unit in such a manner that a linear distance between a refrigerant inlet of the evaporator and a refrigerant outlet of the pressure reducing device is shorter than a linear distance between a refrigerant outlet of the evaporator and the refrigerant outlet of the pressure reducing device.
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公开(公告)号：EP2857785B1
公开(公告)日：2020-08-05
申请号：EP13781353.1
申请日：2013-04-23
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公开(公告)号：EP3534103A1
公开(公告)日：2019-09-04
申请号：EP16920027.6
申请日：2016-10-28
摘要： A heat exchanger that is supplied with air by a fan includes a fin that is plate-shaped, a first heat transfer tube that is flat and extends through the fin, and a second heat transfer tube that is flat and extends through the fin and is disposed at a distance from the first heat transfer tube in a gravity direction. The first heat transfer tube has a first upwind end located upwind and a first downwind end located downwind. The second heat transfer tube has a second upwind end located upwind and a second downwind end located downwind. The fin has an upwind fin end and a downwind fin end. Where the first upwind end and the second upwind end are connected by a first imaginary line and the first downwind end and the second downwind end are connected by a second imaginary line, the fin has an upwind fin region defined by the upwind fin end and the first imaginary line and a downwind fin region defined by the second imaginary line and the downwind fin end. A dimension of the upwind fin region is larger than a dimension of the downwind fin region in a passing direction.
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公开(公告)号：EP3205967B1
公开(公告)日：2019-09-04
申请号：EP14903604.8
申请日：2014-10-07
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公开(公告)号：EP3018441B1
公开(公告)日：2019-07-24
申请号：EP13884403.0
申请日：2013-05-15
发明人： HIGASHIIUE, Shinya , OKAZAKI, Takashi , ISHIBASHI, Akira , ITO, Daisuke , MATSUDA, Takuya , MATSUI, Shigeyoshi , MOCHIZUKI, Atsushi
IPC分类号： F28F9/02
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公开(公告)号：EP3406996A1
公开(公告)日：2018-11-28
申请号：EP16886262.1
申请日：2016-01-19
发明人： MAEDA, Tsuyoshi , UGAJIN, Yuki , ISHIBASHI, Akira
CPC分类号： F25B39/02 , F28D1/0471 , F28D1/0476 , F28D1/0478 , F28D1/05383 , F28D1/05391 , F28D2021/0071 , F28F1/022 , F28F1/32 , F28F17/005 , F28F2215/12
摘要： The present invention provides a heat exchanger, including: a first heat transfer portion including a plurality of first flat tubes arranged at equal intervals and spaced apart from each other by a distance Dp in a gravity direction; and a second heat transfer portion positioned downstream of the first heat transfer portion in a flow direction of a heat exchange medium perpendicular to the gravity direction, the second heat transfer portion including a plurality of second flat tubes arranged at equal intervals and spaced apart from each other by the distance Dp in the gravity direction, in which: the plurality of first flat tubes are each arranged with inclination such that an angle formed between a first cross-sectional center plane and the flow direction is an angle θ1, the first cross-sectional center plane being an imaginary plane passing through the center of a direction of short-axis of a flow passage cross section, and that a front edge portion in the flow direction is below a rear edge portion in the flow direction; the plurality of second flat tubes each have a front-most edge line being an intersecting line between a second cross-sectional center plane and an end portion on upstream in the flow direction, the second cross-sectional center plane being an imaginary plane passing through the center of a direction of short-axis of a flow passage cross section; adjacent ones of the front-most edge lines includes a first front-most edge line positioned on an upper side in the gravity direction and a second front-most edge line positioned on a lower side in the gravity direction; the first front-most edge line and the first cross-sectional center plane positioned between the first front-most edge line and the second front-most edge line are arranged to be spaced apart from each other by a distance W; and the distance W is set so as to satisfy W=ξ×Dp×cosθ1 where 0≤ξ
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