JP2009024923A5 - - Google Patents
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- JP2009024923A5 JP2009024923A5 JP2007187776A JP2007187776A JP2009024923A5 JP 2009024923 A5 JP2009024923 A5 JP 2009024923A5 JP 2007187776 A JP2007187776 A JP 2007187776A JP 2007187776 A JP2007187776 A JP 2007187776A JP 2009024923 A5 JP2009024923 A5 JP 2009024923A5
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- JP
- Japan
- Prior art keywords
- refrigerant
- temperature
- determination
- heat exchanger
- refrigerant circuit
- 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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- 239000003507 refrigerant Substances 0.000 claims 22
- 238000001514 detection method Methods 0.000 claims 6
- 229960001716 benzalkonium Drugs 0.000 claims 1
- CYDRXTMLKJDRQH-UHFFFAOYSA-N benzyl-dodecyl-dimethylazanium Chemical compound CCCCCCCCCCCC[N+](C)(C)CC1=CC=CC=C1 CYDRXTMLKJDRQH-UHFFFAOYSA-N 0.000 claims 1
Claims (4)
所定の判定時間内の前記熱交換器の最高温度と最低温度との第１の温度差が第１判定温度よりも小さい場合に冷媒回路から冷媒が漏洩していると判断するとともに、
前記冷媒回路内で冷媒を流通させるための前記圧縮機の回転数又は所定時間内の回転量に応じて、前記判定時間又は第１判定温度を補正することを特徴とする冷媒漏洩検出装置。 A refrigerant leakage detection device for detecting refrigerant leakage from a refrigerant circuit including a heat exchanger and a compressor,
When the first temperature difference between the maximum temperature and the minimum temperature of the heat exchanger within a predetermined determination time is smaller than the first determination temperature, it is determined that the refrigerant is leaking from the refrigerant circuit;
The refrigerant leakage detection device, wherein the determination time or the first determination temperature is corrected in accordance with a rotation speed of the compressor for circulating the refrigerant in the refrigerant circuit or a rotation amount within a predetermined time.
熱交換器及び圧縮機を含む冷媒回路とを備えることを特徴とする空気調和機。 The refrigerant leakage detection device according to claim 1 or 2 ,
An air conditioner comprising: a refrigerant circuit including a heat exchanger and a compressor.
所定の判定時間内の前記熱交換器の最高温度と最低温度との第１の温度が第１判定温度よりも小さい場合に冷媒回路から冷媒が漏洩していると判断するステップと、
前記冷媒回路内で冷媒を流通させるための前記圧縮機の回転数又は所定時間内の回転量に応じて、前記判定時間又は第１判定温度を補正するステップとを備えることを特徴とする冷媒漏洩検出方法。 A refrigerant leakage detection method for detecting refrigerant leakage from a refrigerant circuit including a heat exchanger and a compressor,
Determining that the refrigerant is leaking from the refrigerant circuit when the first temperature of the maximum temperature and the minimum temperature of the heat exchanger within a predetermined determination time is lower than the first determination temperature;
The refrigerant leakage comprising: a step of correcting the determination time or the first determination temperature according to a rotation speed of the compressor for circulating the refrigerant in the refrigerant circuit or a rotation amount within a predetermined time. Detection method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007187776A JP4990702B2 (en) | 2007-07-19 | 2007-07-19 | Refrigerant leak detection device, air conditioner, and refrigerant leak detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007187776A JP4990702B2 (en) | 2007-07-19 | 2007-07-19 | Refrigerant leak detection device, air conditioner, and refrigerant leak detection method |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2009024923A JP2009024923A (en) | 2009-02-05 |
| JP2009024923A5 true JP2009024923A5 (en) | 2009-12-03 |
| JP4990702B2 JP4990702B2 (en) | 2012-08-01 |
Family
ID=40396885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007187776A Expired - Fee Related JP4990702B2 (en) | 2007-07-19 | 2007-07-19 | Refrigerant leak detection device, air conditioner, and refrigerant leak detection method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4990702B2 (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101303394B1 (en) | 2010-08-06 | 2013-09-05 | 위니아만도 주식회사 | How to detecting refrigerant leaks |
| JP2014009869A (en) * | 2012-06-28 | 2014-01-20 | Denso Corp | Heat pump cycle |
| CN104566771A (en) * | 2013-10-23 | 2015-04-29 | 珠海格力电器股份有限公司 | Method and device for controlling refrigerant of dehumidifier |
| CN105222441B (en) * | 2015-09-01 | 2018-11-23 | 珠海格力电器股份有限公司 | The control method and device of refrigeration system |
| JP6212529B2 (en) * | 2015-11-11 | 2017-10-11 | 株式会社 ナンバ | Refrigerant leak detection device in refrigeration cycle |
| JP6590945B2 (en) * | 2015-12-11 | 2019-10-16 | 三菱電機株式会社 | Refrigeration equipment |
| CN106403189A (en) * | 2016-09-29 | 2017-02-15 | 广东美的制冷设备有限公司 | Detection method for refrigerant leakage of air conditioner and air conditioner |
| CN106545957B (en) * | 2016-10-11 | 2019-04-23 | 广东工业大学 | Variable frequency air conditioner refrigerant leakage detection method based on speed interval parameters |
| CN113639401A (en) * | 2021-07-08 | 2021-11-12 | 青岛海尔空调电子有限公司 | Refrigerant leakage detection control method of air conditioner |
| US20230020905A1 (en) * | 2021-07-14 | 2023-01-19 | Carrier Corporation | Methods of reducing the occurance of false positives in gas detectors |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0195255A (en) * | 1987-10-05 | 1989-04-13 | Sanyo Electric Co Ltd | Protective system of air conditioner |
| JPH026972U (en) * | 1988-06-27 | 1990-01-17 | ||
| JPH086213Y2 (en) * | 1990-10-31 | 1996-02-21 | 三菱重工業株式会社 | Refrigerant leak diagnostic device |
| JP2891269B2 (en) * | 1991-03-13 | 1999-05-17 | 株式会社デンソー | Refrigeration equipment |
| JP3219583B2 (en) * | 1994-01-18 | 2001-10-15 | 三菱重工業株式会社 | Gas conditioner for air conditioner |
| JPH09178306A (en) * | 1995-12-22 | 1997-07-11 | Denso Corp | Refrigerating cycle unit |
| JP2001012830A (en) * | 1999-06-29 | 2001-01-19 | Denso Corp | Refrigeration cycle device |
| DE19935269C1 (en) * | 1999-07-27 | 2001-01-25 | Daimler Chrysler Ag | Refrigerant filling level monitoring method for automobile air-conditioning device uses temperature difference between measured temperature at refrigerant compressor and calculated temperature value |
| JP2005140409A (en) * | 2003-11-06 | 2005-06-02 | Matsushita Electric Ind Co Ltd | Refrigerator |
| WO2007049372A1 (en) * | 2005-10-25 | 2007-05-03 | Mitsubishi Electric Corporation | Air-conditioning apparatus, method of refrigerant filling in air-conditioning apparatus, method of judging state of refrigerant filling in air-conditioning apparatus, and method of refrigerant filling/piping cleaning for air-conditioning apparatus |
| JP4606394B2 (en) * | 2006-08-30 | 2011-01-05 | シャープ株式会社 | Refrigerant leak detection method, refrigerant leak detection device, and air conditioner |
| JP2008267621A (en) * | 2007-04-17 | 2008-11-06 | Sharp Corp | Air conditioner |
-
2007
- 2007-07-19 JP JP2007187776A patent/JP4990702B2/en not_active Expired - Fee Related
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