JP2018071968A5 - - Google Patents
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- JP2018071968A5 JP2018071968A5 JP2018003103A JP2018003103A JP2018071968A5 JP 2018071968 A5 JP2018071968 A5 JP 2018071968A5 JP 2018003103 A JP2018003103 A JP 2018003103A JP 2018003103 A JP2018003103 A JP 2018003103A JP 2018071968 A5 JP2018071968 A5 JP 2018071968A5
- Authority
- JP
- Japan
- Prior art keywords
- refrigerant
- control
- unit
- relay
- liquid
- 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.)
- Granted
Links
- 239000003507 refrigerant Substances 0.000 claims 14
- 239000007788 liquid Substances 0.000 claims 7
- 238000004378 air conditioning Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 claims 1
Claims (5)
室内膨張弁（５１ａ、５１ｂ、５１ｃ、５１ｄ）と室内熱交換器（５２ａ、５２ｂ、５２ｃ、５２ｄ）とを有する室内ユニット（３ａ、３ｂ、３ｃ、３ｄ）と、
前記室外ユニットと前記室内ユニットとを接続する液冷媒連絡管（５）及びガス冷媒連絡管（６）と、
前記液冷媒連絡管及び前記ガス冷媒連絡管に設けられており、前記液冷媒連絡管に接続される液接続管（６１ａ、６１ｂ、６１ｃ、６１ｄ）に液中継遮断弁（７１ａ、７１ｂ、７１ｃ、７１ｄ）と前記ガス冷媒連絡管に接続されるガス接続管（６２ａ、６２ｂ、６２ｃ、６２ｄ）にガス中継遮断弁（６６ａ、６６ｂ、６６ｃ、６６ｄ、６７ａ、６７ｂ、６７ｃ、６７ｄ）とを有する中継ユニットと、
前記冷媒の漏洩を検知する冷媒漏洩検知手段（７９ａ、７９ｂ、７９ｃ、７９ｄ）と、
前記室外ユニット、前記室内ユニット及び前記中継ユニットの構成機器を制御する制御部（１９）と、
を備えている、
空気調和装置において、
前記制御部は、前記冷媒の漏洩時に前記冷媒漏洩検知手段の情報に基づいて、前記圧縮機を停止させ、第１遮断制御を行い、
前記第１遮断制御は、前記液中継遮断弁を開けるとともに、前記室内膨張弁及び前記ガス中継遮断弁を閉止させる、空気調和装置。 An outdoor unit (2) having a compressor (21);
An indoor unit (3a, 3b, 3c, 51d) having an indoor expansion valve (51a, 51b, 51c, 51d) and an indoor heat exchanger (52a, 52b, 52c, 52d);
A liquid refrigerant communication pipe (5) and a gas refrigerant communication pipe (6) connecting the outdoor unit and the indoor unit;
Provided in the liquid refrigerant communication pipe and the gas refrigerant communication pipe, liquid relay cutoff valves (71a, 71b, 71c, etc.) are connected to liquid connection pipes (61a, 61b, 61c, 61d) connected to the liquid refrigerant communication pipe. 71d) and the gas connection pipe connected to the gas refrigerant communication pipe (62a, 62b, 62c, the gas relay shutoff valve 62d) (66a, 66b, 66c , 66d, 67a, 67b, 67c, 67d) and a relay having Unit ,
Refrigerant leakage detection means (79a, 79b, 79c, 79d) for detecting leakage of the refrigerant;
A control unit (19) for controlling components of the outdoor unit, the indoor unit, and the relay unit;
With
In the air conditioner,
Wherein, based on the information of the refrigerant leakage detecting means when leakage of the refrigerant, the compressor is stopped, it has rows first cutoff control,
The first shutoff control is an air conditioner that opens the liquid relay shutoff valve and closes the indoor expansion valve and the gas relay shutoff valve.
請求項１〜３のいずれか１項に記載の空気調和装置。 When the controller determines that leakage of the refrigerant continues even after performing the first shut-off control, the controller shuts the liquid relay shut-off valve while keeping the indoor expansion valve closed. Control,
The air conditioning apparatus of any one of Claims 1-3 .
前記制御部は、前記第１遮断制御中における前記温度センサによって検出される前記冷媒の温度に基づいて、前記第１遮断制御を行っても前記冷媒の漏洩が続いているかどうかを判定する、請求項４に記載の空気調和装置。 The indoor unit further includes a temperature sensor (57a, 57b, 57c, 57d, 58a, 58b, 58c, 58d) for detecting the temperature of the refrigerant in the vicinity of the indoor heat exchanger,
Wherein the control unit determines whether on the basis of the temperature of the refrigerant detected by the temperature sensor in the first cutoff control in leakage of the refrigerant even if the first shut-off control is continued, wherein Item 5. The air conditioner according to Item 4 .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018003103A JP6922748B2 (en) | 2016-10-28 | 2018-01-12 | Air conditioner |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016211676A JP6278094B1 (en) | 2016-10-28 | 2016-10-28 | Air conditioner |
| JP2018003103A JP6922748B2 (en) | 2016-10-28 | 2018-01-12 | Air conditioner |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2016211676A Division JP6278094B1 (en) | 2016-10-28 | 2016-10-28 | Air conditioner |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2018071968A JP2018071968A (en) | 2018-05-10 |
| JP2018071968A5 true JP2018071968A5 (en) | 2019-12-05 |
| JP6922748B2 JP6922748B2 (en) | 2021-08-18 |
Family
ID=62111591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2018003103A Active JP6922748B2 (en) | 2016-10-28 | 2018-01-12 | Air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6922748B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7152648B2 (en) * | 2016-10-28 | 2022-10-13 | ダイキン工業株式会社 | air conditioner |
| JP7057510B2 (en) * | 2019-06-14 | 2022-04-20 | ダイキン工業株式会社 | Refrigerant cycle device |
| CN110567095B (en) * | 2019-08-22 | 2021-04-16 | 宁波奥克斯电气股份有限公司 | Method for detecting and controlling abnormity of electronic expansion valve of multi-connected indoor unit |
| US11125457B1 (en) * | 2020-07-16 | 2021-09-21 | Emerson Climate Technologies, Inc. | Refrigerant leak sensor and mitigation device and methods |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3162132B2 (en) * | 1991-10-30 | 2001-04-25 | 株式会社日立製作所 | Refrigeration device control method |
| JPH07103542A (en) * | 1993-10-06 | 1995-04-18 | Daikin Plant Kk | Temperature pulsating air-conditioner |
| JP2005009857A (en) * | 1998-07-01 | 2005-01-13 | Daikin Ind Ltd | Freezing device and refrigerant leakage detection method |
| JP2009299910A (en) * | 2008-06-10 | 2009-12-24 | Hitachi Appliances Inc | Air conditioner |
| JP5211894B2 (en) * | 2008-06-27 | 2013-06-12 | ダイキン工業株式会社 | Air conditioner |
| JP2011247491A (en) * | 2010-05-27 | 2011-12-08 | Fujitsu General Ltd | Air conditioner |
| JP5538329B2 (en) * | 2011-08-18 | 2014-07-02 | 三菱電機株式会社 | Outdoor unit and air conditioner |
| JP2013053756A (en) * | 2011-08-31 | 2013-03-21 | Fujitsu General Ltd | Refrigeration cycle apparatus |
| KR20140056965A (en) * | 2012-11-02 | 2014-05-12 | 엘지전자 주식회사 | An air conditioner and a control method thereof |
-
2018
- 2018-01-12 JP JP2018003103A patent/JP6922748B2/en active Active
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