-
公开(公告)号:EP3508802A1
公开(公告)日:2019-07-10
申请号:EP19152449.5
申请日:2015-10-20
IPC分类号: F25B43/00
摘要: Provided is a refrigeration cycle apparatus including a refrigerant circuit sequentially connecting, with pipes, a compressor, a refrigerant-flow switching device, an air-side heat exchanger, a main expansion valve, and a water-side heat exchanger, and configured to allow refrigerant to circulate in the refrigerant circuit, the refrigeration cycle apparatus including a refrigerant amount adjustment tank arranged in parallel with the main expansion valve, and configured to store the refrigerant, a first refrigerant flow control valve provided to a pipe connected to one end of the refrigerant amount adjustment tank, the pipe being branched from a pipe connecting the air-side heat exchanger and the main expansion valve, the first refrigerant flow control valve being configured to adjust a flow rate of the refrigerant flowing into and out of the refrigerant amount adjustment tank on the basis of an opening degree of the first refrigerant flow control valve, and a second refrigerant flow control valve provided to a pipe connected to another end of the refrigerant amount adjustment tank, the pipe being branched from a pipe connecting the main expansion valve and the water-side heat exchanger, the second refrigerant flow control valve being configured to adjust a flow rate of the refrigerant flowing into and out of the refrigerant amount adjustment tank on the basis of an opening degree of the second refrigerant flow control valve.
-
公开(公告)号:EP3309475A1
公开(公告)日:2018-04-18
申请号:EP15894923.0
申请日:2015-06-10
发明人: NAGATA, Yuki , ITO, Takuya , OKOSHI, Yasushi
IPC分类号: F25B41/00
摘要: A refrigeration cycle apparatus 100 includes a casing 8 of a refrigerant circuit 10, a first heat-medium pipe 5, and a second heat-medium pipe 6. The casing 8 includes a first frame body 8a having such a tapered sectional shape in a vertical direction that an area of a lower surface part 82a is smaller than an area of an upper surface part 81a, and a second frame body 8b including a side surface part 83b having a rectangular sectional shape in a vertical direction and connected with a peripheral part of the lower surface part 82a of the first frame body 8a. The first heat-medium pipe 5 includes a first heat-medium inflow end part 5a and a first heat-medium outflow end part 5b, at least one of the first heat-medium inflow end part 5a and the first heat-medium outflow end part 5b being housed in the second frame body 8b. The second heat-medium pipe 6 includes a second heat-medium inflow end part 6a and a second heat-medium outflow end part 6b, at least one of the second heat-medium inflow end part 6a and the second heat-medium outflow end part 6b being housed in the second frame body 8b.
摘要翻译: 制冷循环装置100包括制冷剂回路10的壳体8,第一热介质管5和第二热介质管6.壳体8包括具有垂直截面形状的第一框体8a 下表面部分82a的面积小于上表面部分81a的面积的第一框体8b和包括在垂直方向上具有矩形截面形状的侧表面部分83b的第二框体8b, 第一框体8a的下表面部分82a。 第一热介质管5包括第一热介质流入端部5a和第一热介质流出端部5b,第一热介质流入端部5a和第一热介质流出端部5a中的至少一个 5b容纳在第二框架体8b中。 第二热介质配管6具有第二热介质流入端部6a和第二热介质流出端部6b,第二热介质流入端部6a和第二热介质流出端部6a中的至少一方 6b容纳在第二框架体8b中。
-
公开(公告)号:EP3315875B1
公开(公告)日:2019-02-13
申请号:EP15896330.6
申请日:2015-06-24
发明人: HIKONE, Takahito , OKOSHI, Yasushi , ITO, Takuya
-
公开(公告)号:EP3367021A1
公开(公告)日:2018-08-29
申请号:EP15906648.9
申请日:2015-10-20
IPC分类号: F25B43/00
CPC分类号: F25B43/00 , F25B2313/003 , F25B2313/004
摘要: Provided is a refrigeration cycle apparatus including a refrigerant circuit sequentially connecting, with pipes, a compressor, a refrigerant-flow switching device, an air-side heat exchanger, a main expansion valve, and a water-side heat exchanger, and configured to allow refrigerant to circulate in the refrigerant circuit, the refrigeration cycle apparatus including a refrigerant amount adjustment tank arranged in parallel with the main expansion valve, and configured to store the refrigerant, a first refrigerant flow control valve provided to a pipe connected to one end of the refrigerant amount adjustment tank, the pipe being branched from a pipe connecting the air-side heat exchanger and the main expansion valve, the first refrigerant flow control valve being configured to adjust a flow rate of the refrigerant flowing into and out of the refrigerant amount adjustment tank on the basis of an opening degree of the first refrigerant flow control valve, and a second refrigerant flow control valve provided to a pipe connected to another end of the refrigerant amount adjustment tank, the pipe being branched from a pipe connecting the main expansion valve and the water-side heat exchanger, the second refrigerant flow control valve being configured to adjust a flow rate of the refrigerant flowing into and out of the refrigerant amount adjustment tank on the basis of an opening degree of the second refrigerant flow control valve.
-
公开(公告)号:EP3361185A1
公开(公告)日:2018-08-15
申请号:EP15905829.6
申请日:2015-10-08
发明人: ITO, Masahiro , ITO, Takuya , OKOSHI, Yasushi , ISHIDA, Kazuyuki
CPC分类号: F25B13/00 , F25B45/00 , F25B47/025 , F25B49/022 , F25B2313/003 , F25B2313/0294 , F25B2400/16 , F25B2400/23 , F25B2600/02 , F25B2600/0253 , F25B2600/0271 , F25B2600/0272 , F25B2700/1931 , F25B2700/1933 , F25B2700/21151 , Y02B30/741
摘要: A controller in a refrigeration cycle apparatus according to the present invention performs a refrigerant recovery operation when switching an operation mode from a defrosting mode to a heating mode. During the refrigerant recovery operation, by rotating a fan of a blower while monitoring a pressure (Pout) at a discharge side (high-pressure side) of the compressor, the controller is configured to perform feedback control (S34, S35) to cause a high-pressure side pressure (Pout) to be close to a high-pressure side target pressure value (P2). During the refrigerant recovery operation, by controlling a driving frequency of the compressor while monitoring a pressure (Pin) at a suction side (low-pressure side) of the compressor, the controller is configured to perform feedback control (S32, S33) to cause a low-pressure side pressure (Pin) to be close to a low-pressure side target pressure value (PI).
-
公开(公告)号:EP3343133A1
公开(公告)日:2018-07-04
申请号:EP15902897.6
申请日:2015-08-28
CPC分类号: F25B47/02 , F25B1/00 , F25B13/00 , F25B45/00 , F25B47/025 , F25B2313/003 , F25B2345/001 , F25B2345/002 , F25B2345/003 , F25B2400/06 , F25B2400/19 , F25B2600/21 , F25B2600/2513 , F25B2600/2523 , F25B2700/04 , F25B2700/1931 , F25B2700/1933 , F25B2700/21151
摘要: In a refrigeration cycle apparatus, a controller is configured to, when a defrost mode is started, control a first pressure reducing device is controlled to adjust a flow rate of refrigerant to bring a degree of superheat of the refrigerant at a suction side of a compressor close to a target value, control a flow path switching device to form a first flow path through which the refrigerant released from the compressor flows to a first heat exchanger; perform a refrigerant release operation of opening one of a second pressure reducing device and a valve and closing the other of the second pressure reducing device and the valve, and perform a refrigerant collection operation of opening the second pressure reducing device and the valve, with the flow path switching device retained to form the first flow path, after the refrigerant release operation.
-
公开(公告)号:EP3093573A1
公开(公告)日:2016-11-16
申请号:EP14877932.5
申请日:2014-07-10
发明人: ISHIDA, Kazuyuki , OKOSHI, Yasushi , ITO, Takuya
CPC分类号: F25B49/02 , F24F11/41 , F25B13/00 , F25B47/025 , F25B2313/003 , F25B2400/06 , F25B2600/01 , F25B2600/0253 , Y02B30/741
摘要: In the case where one of a first heat source unit 11 and a second heat source unit 21 performs a heating operation and the other one of the first heat source unit 11 and the second heat source unit 21 performs a defrosting operation, when the heating operation of the one heat source unit becomes inexecutable, a control unit 17 stops the defrosting operation of the other heat source unit and reduces the volume of water flowing out of a water heat exchanger 14 or 24 of the other heat source unit to a joining point 40a.
摘要翻译: 在第一热源单元11和第二热源单元21中的一个进行加热操作并且第一热源单元11和第二热源单元21中的另一个进行除霜操作的情况下,当加热操作 控制单元17停止另一个热源单元的除霜操作,并且将从另一个热源单元的热交换器14或24流出的水的量减少到接合点40a 。
-
公开(公告)号:EP3029397A1
公开(公告)日:2016-06-08
申请号:EP13890530.2
申请日:2013-08-01
发明人: ITO, Masahiro , NOMOTO, So , ITO, Takuya , OKOSHI, Yasushi
CPC分类号: F24F1/22 , F24F1/54 , F24F11/36 , F24F11/77 , F25B13/00 , F25B49/005 , F25B49/02 , F25B2313/0294 , F25B2400/12 , F25B2500/222
摘要: A heat source unit includes a housing 100a including a machine chamber 12 incorporating a compressor 1 and an expansion valve 4 and having an air ventilation port 7 allowing for ventilation with outside air and a heat exchange chamber 11 incorporating a heat source side heat exchanger 3 and an air-sending device 6 configured to cause air to pass through the heat source side heat exchanger 3, a control box 13 disposed in the housing 100a at a position so that an airflow from the air-sending device 6 passes through the control box 13, a refrigerant concentration detection unit 14 disposed in the control box 13 and configured to detect refrigerant concentration, and a control circuit 15 disposed in the control box 13 and configured to control the air-sending device 6 so that a volume of air from the air-sending device 6 to pass through the control box 13 is maximum when refrigerant leakage is detected on a basis of a detection value of the refrigerant concentration detection unit 14.
摘要翻译: 热源单元包括壳体100a,壳体100a包括机械室12,该机械室12结合有压缩机1和膨胀阀4并且具有允许与外部空气通风的空气通风口7和结合有热源侧热交换器3的热交换室11以及 使空气通过热源侧热交换器3的送风装置6,配置在壳体100a内的控制箱13,该控制箱13配置在来自送风装置6的气流通过控制箱13的位置 ,设置在控制箱13中并被配置为检测制冷剂浓度的制冷剂浓度检测单元14以及设置在控制箱13中并且被配置为控制送风装置6以使来自空气的空气量 当根据制冷剂浓度检测单元14的检测值检测到制冷剂泄漏时,通过控制箱13的发送装置6最大。
-
公开(公告)号:EP3693680A1
公开(公告)日:2020-08-12
申请号:EP20166744.1
申请日:2015-10-08
发明人: ITO, Masahiro , ITO, Takuya , OKOSHI, Yasushi , ISHIDA, Kazuyuki
摘要: A refrigeration cycle apparatus (1) is provided with a refrigerant circuit (RC), a refrigerant tank circuit (12), and a degassing pipe (30). The refrigerant circuit (RC) is configured by connecting a compressor (2), a flow path switching apparatus (3), a first heat exchanger (4), a decompressing apparatus (5), and a second heat exchanger (6). The refrigerant tank circuit (12) is connected to the first and second heat exchangers (4, 6) in parallel with the decompressing apparatus (5). The degassing pipe (30) has a first end (30a) and a second end (30b). The flow path switching apparatus (3) is configured to switch a flow of refrigerant discharged from the compressor (2) to any of the first and second heat exchangers (4, 6). The refrigerant tank circuit (12) contains a refrigerant tank (14). The degassing pipe (30) has the first end (30a) connected to the refrigerant tank (14) and has the second end (30b) connected to at least any of the refrigerant circuit (RC) and the refrigerant tank circuit (12).
-
公开(公告)号:EP3477221B1
公开(公告)日:2020-01-29
申请号:EP16906300.5
申请日:2016-06-23
发明人: YAMANO, Yoshio , OKOSHI, Yasushi , ITO, Takuya , HIKONE, Takahito
-
-
-
-
-
-
-
-
-