JP2021105483A - 冷蔵庫 - Google Patents
冷蔵庫 Download PDFInfo
- Publication number
- JP2021105483A JP2021105483A JP2019236809A JP2019236809A JP2021105483A JP 2021105483 A JP2021105483 A JP 2021105483A JP 2019236809 A JP2019236809 A JP 2019236809A JP 2019236809 A JP2019236809 A JP 2019236809A JP 2021105483 A JP2021105483 A JP 2021105483A
- Authority
- JP
- Japan
- Prior art keywords
- evaporator
- refrigerant
- compressor
- refrigerant pipe
- defrosting
- 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 abstract description 175
- 238000010257 thawing Methods 0.000 claims abstract description 61
- 238000001816 cooling Methods 0.000 claims abstract description 37
- 238000010438 heat treatment Methods 0.000 claims abstract description 34
- 238000005057 refrigeration Methods 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 abstract description 14
- 239000007788 liquid Substances 0.000 abstract description 6
- 238000007710 freezing Methods 0.000 description 20
- 230000008014 freezing Effects 0.000 description 20
- 238000010586 diagram Methods 0.000 description 5
- 238000005192 partition Methods 0.000 description 4
- 238000007664 blowing Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- CYRMSUTZVYGINF-UHFFFAOYSA-N trichlorofluoromethane Chemical compound FC(Cl)(Cl)Cl CYRMSUTZVYGINF-UHFFFAOYSA-N 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
-
- 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
- F25B40/00—Subcoolers, desuperheaters or superheaters
-
- 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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/002—Defroster control
- F25D21/006—Defroster control with electronic control circuits
-
- 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
-
- 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
- F25D2700/00—Means for sensing or measuring; Sensors therefor
- F25D2700/10—Sensors measuring the temperature of the evaporator
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Defrosting Systems (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
Description
11 断熱箱体
111 外箱
112 内箱
113 断熱材
115 冷却室
117 除霜用加熱部
118 送風路
12 冷蔵室
13 冷凍室
14 機械室
16 冷凍サイクル
161 圧縮機
162 凝縮器
163 膨張手段
164 蒸発器
17 制御部
18 断熱扉
19 断熱扉
20 断熱扉
21 断熱扉
22 切替部
221 冷媒取入口
222 第1冷媒吐出口
223 第2冷媒吐出口
23 冷媒配管
231 第1冷媒配管
232 第2冷媒配管
233 第3冷媒配管
234 第4冷媒配管
235 第5冷媒配管
236 第6冷媒配管
24 庫内温度センサ
25 蒸発器温度センサ
26 タイマ
27 送風機
29 区画板
Claims (4)
- 貯蔵室と、
前記貯蔵室に送風される空気が収納される冷却室と、
圧縮機、凝縮器、膨張手段および蒸発器を有し、前記蒸発器により前記冷却室に収納された前記空気を冷却する冷凍サイクルと、
前記蒸発器を加熱して除霜する除霜用加熱部と、
前記冷凍サイクルおよび前記除霜用加熱部の動作を制御する制御部と、を具備し、
前記制御部は、前記蒸発器の除霜を行う際に、前記除霜用加熱部で前記蒸発器を加熱し、前記圧縮機で圧縮され且つ前記凝縮器を経由しない冷媒を前記蒸発器に供給することを特徴とする冷蔵庫。 - 前記圧縮機、前記凝縮器、前記膨張手段および前記蒸発器は、冷媒配管を経由して相互に接続され、
前記圧縮機と前記凝縮器とを接続する前記冷媒配管には切替部が介装され、
前記切替部は、冷媒取入口と、第1冷媒吐出口と、第2冷媒吐出口と、を有し、
前記冷媒配管は、前記圧縮機と前記切替部の前記冷媒取入口とを接続する第1冷媒配管と、前記切替部の前記第1冷媒吐出口と前記凝縮器とを接続する第2冷媒配管と、前記凝縮器と前記膨張手段とを接続する第3冷媒配管と、前記膨張手段と前記蒸発器とを接続する第4冷媒配管と、前記切替部の前記第2冷媒吐出口と前記第4冷媒配管の途中部分を接続する第5冷媒配管と、前記蒸発器と前記圧縮機とを接続する第6冷媒配管と、を有し、
前記制御部は、前記切替部の前記第1冷媒吐出口を閉じ、且つ、前記第2冷媒吐出口を開くことで、前記第5冷媒配管を経由して、冷媒を前記蒸発器に供給することを特徴とする請求項1に記載の冷蔵庫。 - 前記第5冷媒配管と、前記第6冷媒配管とを、熱的に結合することを特徴とする請求項2に記載の冷蔵庫。
- 前記制御部は、
前記圧縮機で圧縮され且つ前記凝縮器を経由しない冷媒を前記蒸発器に供給する際には、
前記蒸発器の温度の上昇に応じて、前記圧縮機の運転周波数を高速にすることを特徴とする請求項1から請求項3の何れかに記載の冷蔵庫。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019236809A JP7445287B2 (ja) | 2019-12-26 | 2019-12-26 | 冷蔵庫 |
EP20905168.9A EP4083547A4 (en) | 2019-12-26 | 2020-12-23 | FRIDGE |
CN202080090209.5A CN114867977B (zh) | 2019-12-26 | 2020-12-23 | 冰箱 |
PCT/CN2020/138577 WO2021129654A1 (zh) | 2019-12-26 | 2020-12-23 | 冰箱 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019236809A JP7445287B2 (ja) | 2019-12-26 | 2019-12-26 | 冷蔵庫 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021105483A true JP2021105483A (ja) | 2021-07-26 |
JP7445287B2 JP7445287B2 (ja) | 2024-03-07 |
Family
ID=76575628
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019236809A Active JP7445287B2 (ja) | 2019-12-26 | 2019-12-26 | 冷蔵庫 |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP4083547A4 (ja) |
JP (1) | JP7445287B2 (ja) |
CN (1) | CN114867977B (ja) |
WO (1) | WO2021129654A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20230010383A (ko) * | 2021-07-12 | 2023-01-19 | 엘지전자 주식회사 | 냉장고 및 그의 운전 제어방법 |
KR20230010381A (ko) * | 2021-07-12 | 2023-01-19 | 엘지전자 주식회사 | 냉장고 |
JP2023087342A (ja) * | 2021-12-13 | 2023-06-23 | アクア株式会社 | 冷蔵庫 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4837068B1 (ja) | 1970-03-17 | 1973-11-08 | ||
JPH0245252B2 (ja) | 1982-10-18 | 1990-10-08 | Nippon Technical | Teepupureeyanokyapusutankudokiko |
JPH0674941B2 (ja) * | 1987-12-17 | 1994-09-21 | 三菱電機株式会社 | 冷凍サイクルの除霜制御方法 |
CN2660433Y (zh) * | 2003-10-30 | 2004-12-01 | 河南新飞电器有限公司 | 一种自动融霜冰柜 |
CN100552341C (zh) * | 2005-06-30 | 2009-10-21 | 乐金电子(天津)电器有限公司 | 冰箱的除霜装置 |
JP5253223B2 (ja) | 2009-02-19 | 2013-07-31 | 三菱電機株式会社 | 冷蔵庫 |
JP4770976B2 (ja) * | 2009-11-25 | 2011-09-14 | ダイキン工業株式会社 | コンテナ用冷凍装置 |
US8739563B2 (en) * | 2011-04-21 | 2014-06-03 | Hamilton Sundstrand Corporation | Adaptable evaporator defrost logic for an aircraft |
JP5369157B2 (ja) | 2011-09-27 | 2013-12-18 | 三菱電機株式会社 | 冷凍冷蔵庫 |
JP5939764B2 (ja) | 2011-11-02 | 2016-06-22 | 三菱電機株式会社 | ヒートポンプ装置及びヒートポンプ給湯機 |
CN104697251B (zh) | 2013-12-10 | 2018-04-27 | 苏州三星电子有限公司 | 一种冰箱制冷系统及冰箱 |
KR20150075529A (ko) * | 2013-12-26 | 2015-07-06 | 동부대우전자 주식회사 | 냉장고의 냉각장치 및 그 제어 방법 |
JP6032330B2 (ja) * | 2014-11-28 | 2016-11-24 | ダイキン工業株式会社 | 空調機 |
CN205655568U (zh) * | 2016-03-31 | 2016-10-19 | 广州芯康医疗科技有限公司 | 一种带有电热和热气混合化霜功能的低温风冷制冷系统和低温风冷冰箱、低温风冷冷柜 |
JP6320456B2 (ja) * | 2016-05-27 | 2018-05-09 | 三菱電機株式会社 | 冷蔵庫 |
CN107917562A (zh) * | 2017-11-22 | 2018-04-17 | 广州芯康医疗科技有限公司 | 用于低温风冷制冷系统的热气和电热混合除霜系统和方法 |
CN108413666B (zh) * | 2018-03-07 | 2021-01-08 | 骊阳(广东)节能科技股份有限公司 | 一种快速除霜的高效空气源热泵系统 |
CN108826772B (zh) * | 2018-05-03 | 2020-11-17 | 广东美的暖通设备有限公司 | 化霜控制方法及系统 |
-
2019
- 2019-12-26 JP JP2019236809A patent/JP7445287B2/ja active Active
-
2020
- 2020-12-23 EP EP20905168.9A patent/EP4083547A4/en active Pending
- 2020-12-23 WO PCT/CN2020/138577 patent/WO2021129654A1/zh unknown
- 2020-12-23 CN CN202080090209.5A patent/CN114867977B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
JP7445287B2 (ja) | 2024-03-07 |
EP4083547A4 (en) | 2023-02-22 |
WO2021129654A1 (zh) | 2021-07-01 |
CN114867977A (zh) | 2022-08-05 |
CN114867977B (zh) | 2023-10-27 |
EP4083547A1 (en) | 2022-11-02 |
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