JP2020186827A - 冷媒状態検知装置、冷媒状態検知方法及び温調システム - Google Patents
冷媒状態検知装置、冷媒状態検知方法及び温調システム Download PDFInfo
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- 238000001816 cooling Methods 0.000 claims abstract description 24
- 238000005057 refrigeration Methods 0.000 claims abstract description 18
- 239000007788 liquid Substances 0.000 claims description 26
- 239000012530 fluid Substances 0.000 claims description 20
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- F25B6/00—Compression machines, plants or systems, with several condenser circuits
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- F24F11/49—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring ensuring correct operation, e.g. by trial operation or configuration checks
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- F25B25/005—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00 using primary and secondary systems
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- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/04—Condensers
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- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B45/00—Arrangements for charging or discharging refrigerant
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- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/005—Arrangement or mounting of control or safety devices of safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2339/00—Details of evaporators; Details of condensers
- F25B2339/04—Details of condensers
- F25B2339/047—Water-cooled condensers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/16—Receivers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/22—Preventing, detecting or repairing leaks of refrigeration fluids
- F25B2500/222—Detecting refrigerant leaks
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- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
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- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/19—Pressures
- F25B2700/195—Pressures of the condenser
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- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2103—Temperatures near a heat exchanger
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- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2116—Temperatures of a condenser
- F25B2700/21161—Temperatures of a condenser of the fluid heated by the condenser
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
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- F25B2700/2116—Temperatures of a condenser
- F25B2700/21163—Temperatures of a condenser of the refrigerant at the outlet of the condenser
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Abstract
Description
図1は、本発明の第1の実施の形態に係る温調システム1の概略構成を示す図である。本実施の形態に係る温調システム1は、冷凍回路10と、第1冷却用流体通流装置21と、第2冷却用流体通流装置22と、温調対象流体通流装置30と、コントローラ40と、を備えている。
次に、第2の実施の形態に係る温調システム2について図3を参照しつつ説明する。以下の説明では、第1の実施の形態に対する相違点のみを説明する。
次に、第3の実施の形態に係る温調システム3について図4を参照しつつ説明する。以下の説明では、第1及び第2の実施の形態に対する相違点のみを説明する。
10…冷凍回路
11…圧縮機
12…凝縮器
121…第1凝縮部
122…第2凝縮部
122A…プレート部材
122B,122C…流路
122D…冷媒入口部
122E…冷媒出口部
13…レシーバタンク
14…膨張弁
15…蒸発器
16…冷媒温度センサ
17…冷媒圧力センサ
20…冷却用流体通流装置
21…第1冷却用流体通流装置
22…第2冷却用流体通流装置
22A…ポンプ
22B…冷却用流体温度センサ
24…空冷装置
30…温調対象流体通流装置
40…コントローラ
40A…冷媒状態検知装置
41…温度情報取得部
42…冷媒状態判定部
Claims (10)
- 圧縮機、凝縮器、膨張弁及び蒸発器を有する冷凍回路において前記凝縮器から流出する冷媒の温度を取得するとともに、前記凝縮器で前記冷媒を冷却する冷却用流体の前記冷媒を冷却する前の温度を取得する温度情報取得部と、
前記温度情報取得部で取得した前記冷媒の温度と前記冷却用流体の温度との差が予め記録された閾値を越えた場合に、前記冷媒のリーク又は不足が生じていると判定する冷媒状態判定部と、を備える、冷媒状態検知装置。 - 前記凝縮器は液冷式の熱交換器であり、前記冷却用流体は液体である、請求項1に記載の冷媒状態検知装置。
- 前記凝縮器は、第1凝縮部と、前記第1凝縮部から流出する前記冷媒を凝縮する第2凝縮部と、を有し、
前記温度情報取得部は、前記第2凝縮部から流出する前記冷媒の温度と、前記第2凝縮部において前記冷媒を冷却する前記冷却用流体の前記冷媒を冷却する前の温度と、を取得する、請求項1又は2に記載の冷媒状態検知装置。 - 圧縮機、凝縮器、膨張弁及び蒸発器を有する冷凍回路において前記凝縮器から流出する冷媒の温度を取得するとともに、前記凝縮器で前記冷媒を冷却する冷却用流体の前記冷媒を冷却する前の温度を取得する温度情報取得工程と、
前記温度情報取得工程で取得した前記冷媒の温度と前記冷却用流体の温度との差が予め記録された閾値を越えた場合に、前記冷媒のリーク又は不足が生じていると判定する冷媒状態判定工程と、を備える、冷媒状態検知方法。 - 前記凝縮器から流出する前記冷媒の温度を取得するとともに、前記凝縮器において前記冷媒を冷却する前記冷却用流体の前記冷媒を冷却する前の温度を取得した場合に、取得した各温度の差が前記閾値以下となる前記冷凍回路の運転を実施可能とする所定量の前記冷媒を前記冷凍回路に充填する充填工程をさらに備え、
前記充填工程後に行う前記温度情報取得工程及び前記冷媒状態判定工程により、前記冷媒のリーク又は不足を判定する、請求項4に記載の冷媒状態検知方法。 - 前記充填工程後に前記冷凍回路の運転時に、前記冷凍回路は、前記凝縮器で凝縮される前記冷媒が前記凝縮器の出口を覆う状態になるように前記凝縮器で前記冷媒を冷却する、請求項4又は5に記載の冷媒状態検知方法。
- 圧縮機、凝縮器、膨張弁及び蒸発器を有する冷凍回路と、
請求項1乃至3のいずれかに記載の冷媒状態検知装置と、を備える温調システム。 - 前記冷凍回路は、所定量の前記冷媒を充填された場合に、前記冷媒状態検知装置が取得する前記冷媒の温度と前記冷却用流体の温度との差が前記閾値以下となる運転を実施可能となるよう構成されている、請求項7に記載の温調システム。
- 前記冷凍回路は、前記所定量の前記冷媒を充填された場合に、前記凝縮器で凝縮される前記冷媒が前記凝縮器の出口を覆う状態となるように前記凝縮器で前記冷媒を冷却することが可能となる、請求項8に記載の温調システム。
- 前記蒸発器によって温調される流体を通流させる流体通流装置をさらに備える、請求項7乃至9のいずれかに記載の温調システム。
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JP2019089951A JP7210018B2 (ja) | 2019-05-10 | 2019-05-10 | 冷媒状態検知装置、冷媒状態検知方法及び温調システム |
US17/593,141 US20220186999A1 (en) | 2019-05-10 | 2020-04-30 | Refrigerant condition detection device, refrigerant condition detection method, and temperature control system |
CN202080028249.7A CN113677940A (zh) | 2019-05-10 | 2020-04-30 | 制冷剂状态检测装置、制冷剂状态检测方法和温度调节系统 |
PCT/JP2020/018223 WO2020230641A1 (ja) | 2019-05-10 | 2020-04-30 | 冷媒状態検知装置、冷媒状態検知方法及び温調システム |
KR1020217011457A KR20220006029A (ko) | 2019-05-10 | 2020-04-30 | 냉매 상태 검지 장치, 냉매 상태 검지 방법 및 온조 시스템 |
TW109114757A TW202108943A (zh) | 2019-05-10 | 2020-05-04 | 冷媒狀態檢測裝置、冷媒狀態檢測方法及溫度調整系統 |
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- 2020-04-30 WO PCT/JP2020/018223 patent/WO2020230641A1/ja active Application Filing
- 2020-04-30 KR KR1020217011457A patent/KR20220006029A/ko unknown
- 2020-04-30 CN CN202080028249.7A patent/CN113677940A/zh active Pending
- 2020-04-30 US US17/593,141 patent/US20220186999A1/en not_active Abandoned
- 2020-05-04 TW TW109114757A patent/TW202108943A/zh unknown
Patent Citations (3)
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JP2005140409A (ja) * | 2003-11-06 | 2005-06-02 | Matsushita Electric Ind Co Ltd | 冷蔵庫 |
JP2017075761A (ja) * | 2015-10-16 | 2017-04-20 | ダイキン工業株式会社 | 水加熱装置 |
JP2019002639A (ja) * | 2017-06-16 | 2019-01-10 | 日立ジョンソンコントロールズ空調株式会社 | 空気調和機の冷媒漏洩検知方法、および、空気調和機 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114659232A (zh) * | 2022-05-10 | 2022-06-24 | 长虹美菱股份有限公司 | 一种冰箱及其冷媒泄露检测方法 |
CN114659232B (zh) * | 2022-05-10 | 2024-03-12 | 长虹美菱股份有限公司 | 一种冰箱及其冷媒泄露检测方法 |
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JP7210018B2 (ja) | 2023-01-23 |
US20220186999A1 (en) | 2022-06-16 |
KR20220006029A (ko) | 2022-01-14 |
WO2020230641A1 (ja) | 2020-11-19 |
TW202108943A (zh) | 2021-03-01 |
CN113677940A (zh) | 2021-11-19 |
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