JP6729269B2 - 冷蔵庫とその制御方法 - Google Patents
冷蔵庫とその制御方法 Download PDFInfo
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- JP6729269B2 JP6729269B2 JP2016199639A JP2016199639A JP6729269B2 JP 6729269 B2 JP6729269 B2 JP 6729269B2 JP 2016199639 A JP2016199639 A JP 2016199639A JP 2016199639 A JP2016199639 A JP 2016199639A JP 6729269 B2 JP6729269 B2 JP 6729269B2
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- JP
- Japan
- Prior art keywords
- compressor
- evaporator
- refrigerant
- bypass pipe
- condenser
- 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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Classifications
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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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/06—Removing frost
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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
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/02—Defrosting cycles
- F25B47/022—Defrosting cycles hot gas defrosting
-
- 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
- F25B31/00—Compressor arrangements
- F25B31/006—Cooling of compressor or motor
-
- 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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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
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/39—Dispositions with two or more expansion means arranged in series, i.e. multi-stage expansion, on a refrigerant line leading to the same evaporator
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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
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
-
- 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
- F25B2400/01—Heaters
-
- 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
- F25B2400/04—Refrigeration circuit bypassing means
- F25B2400/0411—Refrigeration circuit bypassing means for the expansion valve or capillary tube
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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
- F25B2400/24—Storage receiver heat
-
- 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
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
- F25B2600/025—Compressor control by controlling speed
- F25B2600/0251—Compressor control by controlling speed with on-off operation
-
- 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
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2501—Bypass valves
Description
図1は、本発明の実施の形態1における冷凍サイクルの配管概略図である。
図2(a)、図2(b)は、放熱部材7の構成の一例で、フィン&チューブを用いたものである。図2(a)は、放熱部材7の側面図である。図2(b)は、放熱部材7の正面図である。矢印は、冷媒の流れの方向を示す。
図3(a)は、放熱部材7と圧縮機1との平面図である。図3(b)は、放熱部材7と圧縮機1との側面図である。
<動作>
上記のように構成された冷凍サイクルにおいて、通常の冷却運転では、圧縮機1において気相の冷媒を圧縮すると共に、冷凍サイクル内の冷媒を送り出す。そして、凝縮器2において圧縮された気相の冷媒を凝縮、液化し、冷媒の凝縮潜熱を放出させる。そして、減圧器3(キャピラリチューブ)で、液相の冷媒の圧力を下げた後、蒸発器4において減圧された液相の冷媒を気化させる。このことで、冷媒の気化潜熱を蒸発器4から奪う。
かかる構成によれば、切換弁5と減圧器3(キャピラリチューブ)に並列に接続されたバイパス配管6を用いることにより、従来の圧縮機の逆流にて生じていた蒸発器に供給する冷媒の減少をなくすことができる。またバイパス配管6を壁内に配置することで、従来の別系統の蓄熱材の循環で生じていた庫内循環配管などを配置しないため庫内容量を減らすことなく霜取りヒータ9の通電時間、出力を低減し、除霜に必要な消費電力を削減することができる。
2 凝縮器
3 減圧器
4 蒸発器
5 切換弁
6 バイパス配管
7 放熱部材
8 冷却ファン
9 霜取りヒータ
10 フィン
12 冷媒流路
15 配管
16 制御部
30 圧縮機
31 ジャケット
32 配管
33 循環ポンプ
34 蓄熱タンク
35 電磁弁
36 庫内循環配管
37 補助ヒータ
40 蒸発器
41 電磁弁
42 蒸発器
43 圧縮機
44 凝縮器
45 キャピラリチューブ
46 差圧弁
Claims (5)
- 圧縮機と、凝縮器、減圧器、及び、蒸発器と接続されており、かつ、冷媒を循環させる配管と、
前記凝縮器から前記蒸発器への前記冷媒を循環させるバイパス配管と、
前記配管から前記バイパス配管への流路を切り替える切換弁と、
前記圧縮機と前記バイパス配管を熱交換する廃熱回収部と、を有し、
前記圧縮機には空冷するファンがあり、
前記圧縮機駆動中に前記ファンを駆動し、前記切換弁を前記減圧器側に切り替えて前記蒸発器を冷却する冷却運転と、前記蒸発器を除霜する所定時間前に、前記圧縮機駆動中に前記ファンを停止し、前記切換弁を前記減圧器側に切り替えて前記蒸発器を冷却する除霜前運転と、前記圧縮機、前記ファンを停止し、前記切換弁を前記バイパス配管への流路を開放する除霜運転と、を切換える第2制御部を、備える冷蔵庫。 - 前記バイパス配管は、前記凝縮器の下流側から前記蒸発器へ前記減圧器と並列に接続される請求項1記載の冷蔵庫。
- 前記切換弁は、前記凝縮器の下流側に位置し、前記減圧器あるいは前記バイパス配管へ流路を切り替える請求項1または2記載の冷蔵庫。
- さらに、前記蒸発器を除霜する際に、前記圧縮機を停止するとともに前記切換弁をバイパス配管側に開放して、前記凝縮器に滞留する高圧冷媒を前記圧縮機で加温した後、前記蒸発器に供給する第1制御部と、有する請求項1〜3のいずれか1項に記載の冷蔵庫。
- 前記圧縮機の外郭表面に冷媒の流路を有する放熱部材を備え、
前記放熱部材は前記バイパス配管に接続されている請求項1〜4のいずれか1項に記載の冷蔵庫。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016199639A JP6729269B2 (ja) | 2016-10-11 | 2016-10-11 | 冷蔵庫とその制御方法 |
CN201710588225.7A CN107917570B (zh) | 2016-10-11 | 2017-07-18 | 冰箱及其控制方法 |
US15/702,663 US10443913B2 (en) | 2016-10-11 | 2017-09-12 | Refrigerator and method for controlling the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016199639A JP6729269B2 (ja) | 2016-10-11 | 2016-10-11 | 冷蔵庫とその制御方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018063058A JP2018063058A (ja) | 2018-04-19 |
JP6729269B2 true JP6729269B2 (ja) | 2020-07-22 |
Family
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Application Number | Title | Priority Date | Filing Date |
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JP2016199639A Active JP6729269B2 (ja) | 2016-10-11 | 2016-10-11 | 冷蔵庫とその制御方法 |
Country Status (3)
Country | Link |
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US (1) | US10443913B2 (ja) |
JP (1) | JP6729269B2 (ja) |
CN (1) | CN107917570B (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110285616B (zh) * | 2019-06-06 | 2021-04-23 | 青岛海尔电冰箱有限公司 | 冰箱的控制方法 |
CN114646166A (zh) * | 2022-03-14 | 2022-06-21 | 北京科技大学 | 一种用潜热型功能流体回收余热的冰箱及除霜系统和方法 |
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FR2486638B1 (fr) * | 1980-07-11 | 1986-03-28 | Thomson Brandt | Ensemble frigorifique a compartiments a temperatures differentes |
JPS59131863A (ja) * | 1983-01-17 | 1984-07-28 | 株式会社東芝 | 空気調和装置 |
JP2503637B2 (ja) * | 1989-03-22 | 1996-06-05 | ダイキン工業株式会社 | 冷凍装置用圧縮機 |
JPH04194564A (ja) | 1990-11-27 | 1992-07-14 | Sharp Corp | 冷凍冷蔵庫 |
JP3136644B2 (ja) * | 1991-05-16 | 2001-02-19 | ダイキン工業株式会社 | オフサイクルデフロスト装置 |
KR970047602A (ko) * | 1995-12-29 | 1997-07-26 | 구자홍 | 증발기의 제상장치 |
JP2000304415A (ja) | 1999-04-23 | 2000-11-02 | Lg Electronics Inc | 冷蔵庫の霜取り装置 |
JP2000337754A (ja) * | 1999-05-24 | 2000-12-08 | Hitachi Ltd | 冷蔵庫 |
CA2350367C (en) * | 2001-06-12 | 2009-08-11 | Serge Dube | High speed evaporator defrost system |
US7004246B2 (en) * | 2002-06-26 | 2006-02-28 | York International Corporation | Air-to-air heat pump defrost bypass loop |
US7168262B2 (en) * | 2005-03-24 | 2007-01-30 | Hoshizaki Denki Kabushiki Kaisha | Ice making machine |
CN2937962Y (zh) * | 2006-04-06 | 2007-08-22 | 合肥美菱股份有限公司 | 以压缩机排出制冷剂给蒸发器除霜的电冰箱 |
KR100788302B1 (ko) * | 2006-04-13 | 2007-12-27 | 주식회사 코벡엔지니어링 | 고속제상 히트펌프 |
CN201535575U (zh) * | 2009-09-28 | 2010-07-28 | 浙江家得乐太阳能有限公司 | 具有柔性除霜功能的空气源热泵热水器 |
CN102958724B (zh) * | 2010-11-01 | 2015-06-24 | 三菱重工业株式会社 | 热泵式车辆用空调装置及其除霜方法 |
TWI428246B (zh) * | 2010-12-22 | 2014-03-01 | Automotive Res & Testing Ct | Application of multi-function air conditioning system for electric car thermal management |
CN102353213A (zh) * | 2011-08-19 | 2012-02-15 | 合肥美的荣事达电冰箱有限公司 | 制冷系统及具有该制冷系统的冰箱 |
CN103842747B (zh) * | 2011-10-04 | 2016-02-24 | 三菱电机株式会社 | 制冷循环装置 |
EP2629030A1 (en) * | 2011-12-12 | 2013-08-21 | Samsung Electronics Co., Ltd | Air Conditioner |
CN104024752B (zh) * | 2011-12-12 | 2017-06-23 | 三菱电机株式会社 | 室外机以及空气调节装置 |
EP3051225B1 (en) * | 2013-09-24 | 2021-05-19 | Mitsubishi Electric Corporation | Refrigeration cycle device |
EP3169950A4 (en) * | 2014-07-17 | 2018-07-11 | Electrolux (Hangzhou) Home Appliances CO., LTD. | Heat pump system |
KR20160011001A (ko) * | 2014-07-21 | 2016-01-29 | 엘지전자 주식회사 | 냉장고 및 그 제어방법 |
JP6447742B2 (ja) * | 2015-10-27 | 2019-01-09 | 株式会社デンソー | 冷凍サイクル装置 |
-
2016
- 2016-10-11 JP JP2016199639A patent/JP6729269B2/ja active Active
-
2017
- 2017-07-18 CN CN201710588225.7A patent/CN107917570B/zh active Active
- 2017-09-12 US US15/702,663 patent/US10443913B2/en active Active
Also Published As
Publication number | Publication date |
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JP2018063058A (ja) | 2018-04-19 |
US20180100678A1 (en) | 2018-04-12 |
US10443913B2 (en) | 2019-10-15 |
CN107917570B (zh) | 2021-04-02 |
CN107917570A (zh) | 2018-04-17 |
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