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1. 发明公开

EP4411304A1 HEAT EXCHANGER AND AIR-CONDITIONING DEVICE 审中-公开
公开(公告)号：EP4411304A1
公开(公告)日：2024-08-07
申请号：EP22872474.6
申请日：2022-06-07
申请人： Daikin Industries, Ltd.
发明人： KIMURA, Tsuyoshi , TSUJI, Yoshiyuki , MORIKITA, Yusuke
IPC分类号： F28F1/32 , F24F1/0067 , F25B39/00
CPC分类号： F28F1/32 , F24F1/0067 , F25B39/00 , F28F2265/2220130101 , F28F2265/0620130101 , F28F17/005 , F28D1/0477
摘要： The disclosure provides a heat exchanger 15a including: a heat transfer tube 6 allowing a refrigerant to flow; and a fin 7 provided with a plurality of through holes 70 each allowing penetration of the heat transfer tube 6 in a thickness direction; in which the plurality of through holes 70 is aligned in a plurality of columns in a second direction crossing a first direction of air flowing from a windward side toward a leeward side, and includes first through holes 71 each penetrated by the heat transfer tube 6 and second through holes 72 not penetrated by the heat transfer tube 6, the fin 7 includes a first region A1 having the first through holes 71 aligned in the second direction, and a second region B1 having the second through holes 72 aligned in the second direction, and the second region B1 has an end or respective ends in the first direction adjacent to the first region A1, and respective ends in the second direction adjacent to the first region A1.

2. 发明公开

EP4317819A1 AIR-CONDITIONING CONTROL DEVICE AND AIR-CONDITIONING SYSTEM 审中-实审
公开(公告)号：EP4317819A1
公开(公告)日：2024-02-07
申请号：EP22780976.1
申请日：2022-03-29
申请人： DAIKIN INDUSTRIES, LTD.
发明人： TSUJI, Yoshiyuki
IPC分类号： F24F11/46 , F24F11/48 , F24F11/54 , F24F11/65 , F24F11/74 , F24F11/77 , F24F110/10 , F24F120/10 , F24F140/20 , F24F140/60
摘要： There is a problem that a non-uniform temperature distribution in a space cannot be sufficiently improved by simply adjusting a circulation amount of a refrigerant because warm air is accumulated on an upper side and cold air is accumulated on a lower side. An air conditioning control apparatus (10) controls a plurality of indoor units (20a to 20d). The air conditioning control apparatus (10) sets the indoor units (20a to 20c) having been designated among the plurality of indoor units (20a to 20d) as one group (GP1). The air conditioning control apparatus (10) causes a first indoor unit belonging to the group (GP1) to perform a cooling operation or a heating operation and causes a second indoor unit belonging to the group (GP1) to perform a fan operation or a ventilation operation when a difference of a certain level or more occurs in thermal loads to be processed by each of the indoor units (20a to 20c) belonging to the group (GP1).

3. 发明公开

EP4040057A1 HUMIDIFICATION UNIT 无效转让
公开(公告)号：EP4040057A1
公开(公告)日：2022-08-10
申请号：EP20872238.9
申请日：2020-09-17
申请人： Daikin Industries, Ltd.
发明人： MIURA, Shu , EBINA, Hiroshi , TSUJI, Yoshiyuki , ONO, Takashi
IPC分类号： F24F6/10 , B01D53/26 , F24F3/14 , F24F6/00 , F24F11/89 , F24F13/20
摘要： A humidifying unit 3 includes a casing 47 that has a first ventilation path P1 and a second ventilation path P2 through which air introduced from outside flows, a moisture absorbing material 41a that adsorbs moisture in the air flowing through the first ventilation path P1, releases the moisture to the air flowing through the second ventilation path P2, and humidifies the air, and a heater 42 that is provided in the casing 47 and heats the moisture absorbing material 41a or the air before humidification flowing through the second ventilation path P2. At least a part of the casing 47 is exposed to a target space S1.

4. 发明公开

EP3998443A1 INDOOR UNIT OF REFRIGERATION EQUIPMENT 有权转让
公开(公告)号：EP3998443A1
公开(公告)日：2022-05-18
申请号：EP20840735.3
申请日：2020-07-09
申请人： Daikin Industries, Ltd.
发明人： TSUJI, Yoshiyuki , KOJIMA, Makoto
IPC分类号： F25B49/02 , F24F11/36 , F24F13/20
摘要： In adopting a flammable refrigerant, it is necessary to install a gas sensor that detects the refrigerant when the refrigerant leaks, and the present disclosure solves a problem of selecting an installation location of the gas sensor. A gas sensor (55) is installed above a drain pan (36) in a side view, and a height H from an upper end of the drain pan (36) to the gas sensor (55) is set to satisfy a relational expression represented by
L•W {C1•H1/Q + C2•H/(Q - C3•L•H ^ (3/2))} ≤ 90. In the above relational expression, constant C1: 0.0067, constant C2: 0.01172, constant C3: 0.000153, L [m]: a length of a first wall surface of the drain pan (36), W [m]: a length of a wall surface of the drain pan (36) intersecting with the first wall surface, H1 [m]: a depth of the drain pan (36), and Q [m ^ 3/s]: a refrigerant leakage flow rate.

5. 发明公开

EP3236177A1 AIR-CONDITIONING DEVICE 有权
标题翻译：空调装置
公开(公告)号：EP3236177A1
公开(公告)日：2017-10-25
申请号：EP15869850.6
申请日：2015-12-08
申请人： Daikin Industries, Ltd.
发明人： TSUJI, Yoshiyuki , HORI, Yasushi , TAKAKURA, Mariko
IPC分类号： F25B1/00 , F24F11/02 , F25B13/00
CPC分类号： F24F11/89 , F25B13/00 , F25B49/02 , F25B2313/0233 , F25B2313/0314 , F25B2600/21 , F25B2600/2513 , F25B2700/1933 , F25B2700/21174 , F25B2700/21175
摘要： In an air conditioning apparatus (1), an expansion valve (41a-41c) is determined to be in a fully closed state when a refrigerant temperature in an outlet of an indoor heat exchanger (42a-42c) as detected by a gas-side temperature sensor (46a-46c), and a refrigerant temperature in an inlet or an intermediate part of the indoor heat exchanger (42a-42c) as detected by a liquid-side temperature sensor (45a-45c) satisfy a closed-valve condition in relation to a refrigerant evaporation temperature obtained by converting a refrigerant pressure in an intake side of a compressor (21) as detected by an intake pressure sensor (29) to a refrigerant saturation temperature, and in relation to an air temperature of an air-conditioned space cooled by the indoor heat exchanger (42a-42c), the air temperature being detected by an indoor temperature sensor (47a-47c).
摘要翻译：在空气调节装置（1）中，在由气体侧检测出的室内热交换器（42a〜42c）的出口的制冷剂温度为规定值时，将膨胀阀（41a〜41c）判断为全闭温度传感器46a〜46c，由液体侧温度传感器45a〜45c检测出的室内热交换器42a〜42c的入口或中间部的制冷剂温度满足与通过将由进气压力传感器（29）检测到的压缩机（21）的进气侧中的制冷剂压力转换成制冷剂饱和温度而获得的制冷剂蒸发温度相关，并且与经过空调的空气温度由室内热交换器（42a-42c）冷却的空间，空气温度由室内温度传感器（47a-47c）检测。

6. 发明公开

EP3998441A1 INDOOR UNIT OF REFRIGERATION DEVICE 审中-实审转让
公开(公告)号：EP3998441A1
公开(公告)日：2022-05-18
申请号：EP20840388.1
申请日：2020-07-06
申请人： Daikin Industries, Ltd.
发明人： TSUJI, Yoshiyuki , KOJIMA, Makoto
IPC分类号： F25B49/02 , F24F11/36 , F24F1/0047
摘要： The present disclosure achieves an object of selecting a location of a gas sensor that can be easily attached and detached by a user or a service person. A gas sensor (55) configured to detect refrigerant leakage is installed at or adjacent to an electric component box (50), and the gas sensor (55) is positioned to be ejectable when a suction grill (60) is shifted. A user or a service person can thus easily attach and detach the gas sensor (55) by shifting the suction grill (60) with excellent maintainability.

7. 发明授权

EP3236169B1 AIR-CONDITIONING DEVICE 有权
公开(公告)号：EP3236169B1
公开(公告)日：2018-10-03
申请号：EP15869831.6
申请日：2015-12-07
申请人： Daikin Industries, Ltd.
发明人： TSUJI, Yoshiyuki , HORI, Yasushi , TAKAKURA, Mariko , OKA, Yuusuke
IPC分类号： F25B13/00 , F25B49/02 , F24F11/89
CPC分类号： F25B49/022 , F24F11/89 , F25B13/00 , F25B2313/0233 , F25B2313/0314 , F25B2313/0315 , F25B2600/0251 , F25B2600/0253 , F25B2700/1931 , F25B2700/1933 , F25B2700/2104 , F25B2700/21152 , G05B15/02 , Y02B30/741
摘要： A controller (8) of an air conditioning apparatus (1) performs a start/stop frequency-reducing rotation speed control in which the rotation speed of a compressor (21) is controlled on the basis of request values from indoor units requesting a decrease in air conditioning capacity, disregarding request values from indoor units requesting an increase in air conditioning capacity, when each indoor temperature at all indoor units (4a, 4b, 4c) performing air conditioning operation is within a scope of a prescribed threshold temperature range surrounding a target indoor temperature at each indoor unit (4a, 4b, 4c) performing air conditioning operation.

8. 发明授权

EP3236177B1 AIR-CONDITIONING DEVICE 有权
公开(公告)号：EP3236177B1
公开(公告)日：2018-09-26
申请号：EP15869850.6
申请日：2015-12-08
申请人： Daikin Industries, Ltd.
发明人： TSUJI, Yoshiyuki , HORI, Yasushi , TAKAKURA, Mariko
IPC分类号： F24F11/89 , F25B1/00 , F25B13/00 , F25B49/02
CPC分类号： F25B13/00 , F24F11/89 , F25B49/02 , F25B49/022 , F25B2313/0233 , F25B2313/0314 , F25B2600/21 , F25B2600/2513 , F25B2700/1933 , F25B2700/21174 , F25B2700/21175
摘要： In an air conditioning apparatus (1), an expansion valve (41a-41c) is determined to be in a fully closed state when a refrigerant temperature in an outlet of an indoor heat exchanger (42a-42c) as detected by a gas-side temperature sensor (46a-46c), and a refrigerant temperature in an inlet or an intermediate part of the indoor heat exchanger (42a-42c) as detected by a liquid-side temperature sensor (45a-45c) satisfy a closed-valve condition in relation to a refrigerant evaporation temperature obtained by converting a refrigerant pressure in an intake side of a compressor (21) as detected by an intake pressure sensor (29) to a refrigerant saturation temperature, and in relation to an air temperature of an air-conditioned space cooled by the indoor heat exchanger (42a-42c), the air temperature being detected by an indoor temperature sensor (47a-47c).

9. 发明公开

EP3236169A1 AIR-CONDITIONING DEVICE 有权
标题翻译：空调装置
公开(公告)号：EP3236169A1
公开(公告)日：2017-10-25
申请号：EP15869831.6
申请日：2015-12-07
申请人： Daikin Industries, Ltd.
发明人： TSUJI, Yoshiyuki , HORI, Yasushi , TAKAKURA, Mariko , OKA, Yuusuke
IPC分类号： F24F11/02
CPC分类号： F24F11/89 , F25B13/00 , F25B49/022 , F25B2313/0233 , F25B2313/0314 , F25B2313/0315 , F25B2600/0251 , F25B2600/0253 , F25B2700/1931 , F25B2700/1933 , F25B2700/2104 , F25B2700/21152 , Y02B30/741
摘要： A controller (8) of an air conditioning apparatus (1) performs a start/stop frequency-reducing rotation speed control in which the rotation speed of a compressor (21) is controlled on the basis of request values from indoor units requesting a decrease in air conditioning capacity, disregarding request values from indoor units requesting an increase in air conditioning capacity, when each indoor temperature at all indoor units (4a, 4b, 4c) performing air conditioning operation is within a scope of a prescribed threshold temperature range surrounding a target indoor temperature at each indoor unit (4a, 4b, 4c) performing air conditioning operation.
摘要翻译：空调装置（1）的控制部（8）根据来自室内机的要求减少的要求值，进行控制压缩机（21）的转速的启动/停止减频转速控制当进行空气调节运转的全部室内机组（4a，4b，4c）的各室内温度处于包围目标的规定的阈值温度范围内时，不考虑来自要求空调能力提高的室内机的要求值进行空调运转的各室内机组（4a，4b，4c）的室内温度。

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