JP2015117894A5 - - Google Patents
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- JP2015117894A5 JP2015117894A5 JP2013261963A JP2013261963A JP2015117894A5 JP 2015117894 A5 JP2015117894 A5 JP 2015117894A5 JP 2013261963 A JP2013261963 A JP 2013261963A JP 2013261963 A JP2013261963 A JP 2013261963A JP 2015117894 A5 JP2015117894 A5 JP 2015117894A5
- Authority
- JP
- Japan
- Prior art keywords
- valve
- compressor
- switching valve
- outdoor unit
- air conditioner
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000010257 thawing Methods 0.000 claims 7
- 229910004682 ON-OFF Inorganic materials 0.000 claims 4
- 239000007788 liquid Substances 0.000 claims 2
- 238000010438 heat treatment Methods 0.000 claims 1
Claims (4)
前記ガス管の接続先を前記圧縮機の吸入側もしくは吐出側に切替える第１切替弁と、
前記室外熱交換器のガス側の接続先を前記圧縮機の吸入側もしくは吐出側に切替える第２切替弁と、
前記室外熱交換器の液側と前記室外膨張弁との間から前記圧縮機の吸入側を接続するバイパス管と、
該バイパス管の流路を開閉するバイパス開閉弁と、を備え、
暖房運転時には前記第１切替弁を前記圧縮機の吐出側に切替えるとともに前記第２切替弁を前記圧縮機の吸入側に切替え、さらに前記バイパス開閉弁を閉じるように制御し、
除霜運転時には前記第１切替弁及び前記第２切替弁を共に前記圧縮機の吐出側に切替えるとともに前記バイパス開閉弁を開くように制御することを特徴とする空気調和機の室外機。 In an outdoor unit of an air conditioner that is connected to one or more indoor units by a gas pipe and a liquid pipe and includes a compressor, an outdoor heat exchanger, and an outdoor expansion valve.
A first switching valve that switches a connection destination of the gas pipe to a suction side or a discharge side of the compressor;
A second switching valve for switching the connection side on the gas side of the outdoor heat exchanger to the suction side or the discharge side of the compressor;
A bypass pipe connecting the suction side of the compressor from between the liquid side of the outdoor heat exchanger and the outdoor expansion valve;
A bypass opening and closing valve for opening and closing the flow path of the bypass pipe,
During the heating operation, the first switching valve is switched to the discharge side of the compressor, the second switching valve is switched to the suction side of the compressor, and the bypass on-off valve is closed.
An outdoor unit for an air conditioner, wherein the first switching valve and the second switching valve are both switched to the discharge side of the compressor and controlled to open the bypass on / off valve during the defrosting operation.
室外機を複数台接続した場合、除霜運転は交互に実施するために、
除霜運転を行う室外機の前記第１切替弁及び前記第２切替弁を共に前記圧縮機の吐出側に切替えるとともに前記バイパス開閉弁を開くように制御し、
他の除霜運転を行う室外機の前記第１切替弁及び前記第２切替弁を共に前記圧縮機の吐出側に切替えるとともに前記バイパス開閉弁を開くように制御することを特徴とする空気調和機の室外機。 In the outdoor unit of the air conditioner according to claim 1,
When multiple outdoor units are connected, the defrosting operation is performed alternately.
Controlling both the first switching valve and the second switching valve of the outdoor unit performing the defrosting operation to the discharge side of the compressor and opening the bypass on-off valve,
An air conditioner characterized by controlling both the first switching valve and the second switching valve of an outdoor unit that performs another defrosting operation to the discharge side of the compressor and opening the bypass on-off valve. Outdoor unit.
除霜運転を行う室外機は該除霜運転を終了する場合に、当該室外機の前記第１切替弁を前記圧縮機の吐出側に切替えたままとするとともに前記第２切替弁を前記圧縮機の吸入側に切替え、さらに前記バイパス開閉弁を閉じるように制御することを特徴とする空気調和機の室外機。 In the outdoor unit of the air conditioner according to claim 1 or 2,
When the outdoor unit performs defrosting operation to end the defrosting operation, the compressor the second switching valve with the first switching valve of the outdoor unit to remain switched on the discharge side of the compressor The outdoor unit for an air conditioner is controlled to be switched to the suction side and further closed to close the bypass on-off valve.
前記第１切替弁と前記室外熱交換器との間に絞り弁を備え、除霜運転時に絞り弁の開度を調整することを特徴とする空気調和機。 In the outdoor unit of an air conditioner according to any one of claims 1 to 3,
An air conditioner comprising a throttle valve between the first switching valve and the outdoor heat exchanger, and adjusting an opening of the throttle valve during a defrosting operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013261963A JP6285172B2 (en) | 2013-12-19 | 2013-12-19 | Air conditioner outdoor unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013261963A JP6285172B2 (en) | 2013-12-19 | 2013-12-19 | Air conditioner outdoor unit |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2015117894A JP2015117894A (en) | 2015-06-25 |
| JP2015117894A5 true JP2015117894A5 (en) | 2016-08-04 |
| JP6285172B2 JP6285172B2 (en) | 2018-02-28 |
Family
ID=53530767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2013261963A Active JP6285172B2 (en) | 2013-12-19 | 2013-12-19 | Air conditioner outdoor unit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6285172B2 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008109845A2 (en) | 2007-03-07 | 2008-09-12 | Becton, Dickinson And Company | Safety blood collection assembly with indicator |
| JP6610274B2 (en) * | 2016-01-15 | 2019-11-27 | ダイキン工業株式会社 | Refrigeration equipment and management system |
| JP6842961B2 (en) * | 2017-03-17 | 2021-03-17 | 大阪瓦斯株式会社 | Hybrid heat pump system |
| JP7412887B2 (en) * | 2019-01-02 | 2024-01-15 | ダイキン工業株式会社 | Air conditioner and flow path switching valve |
| CN111664505A (en) * | 2020-06-18 | 2020-09-15 | 宁波奥克斯电气股份有限公司 | Air conditioning device and control method thereof |
| CN113465125B (en) * | 2021-06-17 | 2023-05-26 | 青岛海尔空调电子有限公司 | Defrosting control method, computer readable storage medium and control device for air conditioner |
| CN115585537B (en) * | 2022-12-12 | 2023-03-28 | 宁波奥克斯电气股份有限公司 | Defrosting control method and device of multi-split system and multi-split system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5194058U (en) * | 1975-01-28 | 1976-07-28 | ||
| JPS62106267A (en) * | 1985-10-31 | 1987-05-16 | 株式会社東芝 | Defroster for heat pump air conditioner |
| JP2525338B2 (en) * | 1993-12-27 | 1996-08-21 | 東洋キャリア工業株式会社 | Defrost mechanism of heat pump type air conditioner |
| JP2008157557A (en) * | 2006-12-25 | 2008-07-10 | Daikin Ind Ltd | Air-conditioning system |
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2013
- 2013-12-19 JP JP2013261963A patent/JP6285172B2/en active Active
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