WO2011118223A1 - 冷蔵庫 - Google Patents

冷蔵庫 Download PDF

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Publication number
WO2011118223A1
WO2011118223A1 PCT/JP2011/001754 JP2011001754W WO2011118223A1 WO 2011118223 A1 WO2011118223 A1 WO 2011118223A1 JP 2011001754 W JP2011001754 W JP 2011001754W WO 2011118223 A1 WO2011118223 A1 WO 2011118223A1
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WO
WIPO (PCT)
Prior art keywords
refrigerator
power saving
freshening
freshness
component
Prior art date
Application number
PCT/JP2011/001754
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English (en)
French (fr)
Japanese (ja)
Inventor
豊志 上迫
久美子 鈴木
宗登 山田
卓 橋田
Original Assignee
パナソニック株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by パナソニック株式会社 filed Critical パナソニック株式会社
Priority to CN201180009173.4A priority Critical patent/CN102782427B/zh
Priority to JP2012506858A priority patent/JP5789781B2/ja
Publication of WO2011118223A1 publication Critical patent/WO2011118223A1/ja

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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
    • F25D29/00—Arrangement or mounting of control or safety devices
    • 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
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/042—Air treating means within refrigerated spaces
    • 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
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/04—Treating air flowing to refrigeration compartments
    • F25D2317/041—Treating air flowing to refrigeration compartments by purification
    • F25D2317/0416—Treating air flowing to refrigeration compartments by purification using an ozone generator

Definitions

  • FIG. 8 is a diagram showing the antiviral effect in the BOX assuming the refrigerator in the first embodiment of the present invention.
  • FIG. 9 is a diagram showing the freshness and ozone concentration of vegetables in Embodiment 1 of the present invention.
  • FIG. 10 is a diagram showing the freshness and radical amount of vegetables in Embodiment 1 of the present invention.
  • FIG. 11 is a control block diagram according to Embodiment 1 of the present invention.
  • FIG. 12 is a front view of a conventional refrigerator.
  • FIG. 13 is an electric circuit diagram of a main part of a conventional refrigerator.
  • FIG. 14 is a typical flowchart of a conventional refrigerator.
  • the illuminance sensor 36 when used as a detection means capable of detecting a change in the installation environment of the refrigerator, it is possible to detect whether the periphery where the refrigerator is installed is bright or dark. It is possible to tell whether it is daytime or nighttime that is likely to be done.
  • the kitchen where the refrigerator is installed is a space without windows, it is considered that the user's activity time zone and the illumination of the interior lighting equipment are almost linked, so energy can be saved more efficiently. Can be planned.
  • the internal temperature detection device that detects the internal temperature that detects the temperature of each storage room of the refrigerator is used as the usage status detection means, there is no human activity if there is no temperature fluctuation over a certain range. In addition, it is judged to be a stable normal state with little temperature change in the surrounding environment of the refrigerator and no temperature fluctuation due to defrost or the like, and automatically switches to a power saving mode in which the cooling performance of the refrigerator is slightly reduced.
  • a set temperature detection device that detects the set temperature of the refrigerator is used as a use status detection means that can indirectly detect the use status of the refrigerator, for example, the user intends to actively cool the storage room
  • the power saving mode is entered even when, for example, the illuminance sensor 36 or the human sensor 40 that is the first detecting means enters the power saving mode.
  • the storage means 55 that stores the output signals of the illuminance sensor 36 and the usage status detection means as the detection means determines the power-saving operation of a certain pattern by accumulating information for a certain period, and the compressor 109, which is an electrical load component, 113, a power-saving operation for automatically suppressing or stopping the operation of the temperature compensation heater 56, the interior lighting 57, and the like.
  • the control means that can have a correction function that cancels the power saving mode and returns to normal operation, and this correction function enables the cooling performance of the refrigerator even when living outside the normal lifestyle pattern Can be maintained.
  • Storing the detection result (information) of the usage status detection means that can indirectly detect the usage status of the refrigerator can be said to be a more direct and effective means for predicting the lifestyle pattern of the household.
  • the detection result of the door opening / closing status detection device which is the usage status detection means is input to the control means, Is stored in the delimiter storage means in a certain time unit, and it is determined that there is no or less door opening / closing in the activity time of the day, that is, for a time zone determined to be smaller than a predetermined specified value, Then, it automatically switches to the power saving mode that slightly reduces the cooling performance of the refrigerator.
  • the past illumination intensity, door opening / closing, and inside temperature are stored in the storage means in units of a certain time unit, and the operation of the refrigerator is controlled by determining the pattern.
  • the cooling performance of the refrigerator is automatically reduced slightly, that is, the rotational speed of the compressor is decreased, or the rotational speed of the cooling fan 113 is decreased.
  • the amount of cooling is reduced, and annealing is performed at the same time as increasing the internal temperature by several degrees Celsius (for example, 1 degree Celsius).
  • mist generated by the electrostatic atomizer 131 provided in the vegetable room 108 set in the highest temperature zone is supplied to the mist spraying dedicated space 150 with a high concentration of mist.
  • the vegetable compartment 108 provided with the mist spray exclusive space 150 is cooled by the cold air cooled by the cooler 112.
  • the cool air that cools the vegetable compartment 108 is blown by the cooling fan 113, passes through the discharge air passage 141, reaches the damper 130, and is diverted from the middle of the discharge air passage 141 when the damper 130 is open. It flows into the vegetable compartment 108 from the vegetable compartment outlet 143 through the vegetable compartment discharge air passage 141a.
  • the cool air flowing into the vegetable compartment 108 circulates around the outer periphery of the lower storage container 119 and cools the lower storage container 119. And it passes through the vegetable room suction air path 142a, returns to the cooling room 110 again through the mist spraying exclusive space 150 provided in the vegetable room suction air path 142a.
  • the electrostatic atomizer 131 is controlled to store a high concentration mist in the mist spray dedicated space 150 when the power saving operation is being performed, and during the power saving operation, the mist spray dedicated space 150 has a high concentration in the mist spray dedicated space 150.
  • the mist is stored. For this reason, when the cold air that has cooled the vegetable compartment 108 passes through the mist spray dedicated space 150, it returns to the cooling chamber 110 simultaneously with the stored high-concentration mist. Since the space of the cooling chamber is larger than the space dedicated for mist spraying, the mist is in a thinned state (a state in which the concentration of mist is lowered).
  • the thinned mist is simultaneously cooled in the refrigerator 104, the switching chamber 105, the ice making chamber 106, the freezer compartment. It will circulate to 107. Further, since the mist spraying exclusive space 150 is provided with an opening to the vegetable compartment 108, the mist can be directly supplied to the vegetable compartment 108.
  • the ozone concentration in the vegetable compartment 108 is about 20 ppb on average, and the ozone concentration in the refrigerator compartment 104 is about 10 ppb on average.
  • the ozone concentration in the cooling chamber 110 was about 100 ppb on average.
  • the ozone concentration is 10ppb or more, 99% sterilization rate, 30ppb is the odor tolerance limit value, and it is confirmed in the previous BOX test that 80ppb gives general damage to vegetables Therefore, since the ozone concentration in the refrigerator compartment 104 and the vegetable compartment 108 is 10 ppb to 20 ppb, in the first embodiment, the refrigeration compartment 104 has a sterilization effect, and the vegetable compartment 108 It was found that it is possible to obtain a sterilizing effect without damaging vegetables.
  • the ozone concentration in the cooling chamber 110 is about 100 ppb, which is a sufficient ozone concentration to obtain a sterilizing effect, so that not only the refrigerator compartment 104 and the vegetable compartment 108 but also the freezer compartment 107 and the ice making compartment 106. Since the cool air discharged through the discharge air passage 141 to the switching chamber 105 is sufficiently sterilized, it was found that all the chambers can be sterilized.
  • a refrigerator main body including a plurality of storage rooms insulated by partition walls, and mist that is a freshening component containing OH radicals and ozone components are generated in the storage room.
  • Detecting means capable of detecting the usage state of the refrigerator, and control means for performing power saving operation for suppressing or stopping the operation of the electric load component of the refrigerator by the output signal detected by the detecting means.
  • the freshening component is supplied from the freshening component generating means to the storage chamber, so that the electrostatic atomizer 131 can be used even when the internal temperature is increased during the power saving operation.
  • the generated mist is efficiently sucked into the cooling chamber by the refrigeration cycle and can be diffused from there to each storage chamber.
  • the generated mist is efficiently sucked into the cooling chamber by the refrigeration cycle and can be diffused from there to each storage chamber.
  • mist spraying exclusive space 150 was installed in the vegetable room suction
  • the mist spraying exclusive space 150 includes an opening communicating with the storage room (vegetable room 108), the mist can be directly supplied to the vegetable room 108, so that the cooling room 110 and the discharge air passage 141 are provided. Since it can prevent that mist is consumed when passing through, it is more preferable.
  • the amount of mist generated can be suppressed so that mist can be supplied only to the vegetable compartment 108. This is desirable because the fruit is not damaged by OH radicals.
  • the mist generated by the electrostatic atomizer 131 holds ozone, OH radicals, etc., which hold strong oxidizing power. Bacteria are inactivated as a result of oxidative degradation and lysis of a part of bacterial cell membrane protein in the bacterial tissue by these ozone and radicals.
  • ozone and OH radicals are preferred so as to promote bacterial inactivation, ie killing, by destroying the bacterial cell membrane. That is, it is effective to inactivate bacteria within a range that does not affect the freshness of vegetables as described above. Therefore, the generated mist can antibacterial, sterilize and sterilize the vegetable room and the vegetable surface, and at the same time oxidatively decompose harmful substances adhering to the vegetable surface.
  • FIG. 6 shows the results of confirming the sterilization effect of Escherichia coli, which is a typical bacterial species, in a BOX assuming a vegetable room of a refrigerator.
  • the test conditions are BOX capacity of about 70L, BOX internal temperature of about 5 ° C, BOX relative humidity is 90% R.
  • the electrostatic atomizer 131 of Form 1 of the actual machine was installed in the BOX and operated at an operation rate of 30 minutes ON and 30 minutes OFF.
  • a conventional vegetable room was assumed, and the same test was performed using a mist sprayed by an ultrasonic atomizer instead of the electrostatic atomizer 131 based on the BOX condition.
  • the ultrasonic atomizer has a sterilization rate of less than 30%, whereas when atomized by an electrostatic atomizer, 95% or more in 3 days, 7 It was found to have a high antibacterial effect of 99% or more on the day.
  • Molds usually grow with spores that germinate and extend mycelia. Since the hyphae germinated by ozone and radicals contained in the mist generated in this manner are removed, the fungi cannot be extended any longer and are inactivated, and as a result, the fungi are inhibited from growing. In this way, the amount of ozone and OH radicals is not strong enough to instantly kill the mold itself, but the amount of ozone and OH radicals that promotes inactivation of bacteria, that is, killing, by destroying mold mycelia. By using, the growth of mold can be suppressed within a range that does not affect the freshness of vegetables as described above.
  • FIG. 7 shows the result of confirming the sterilization effect of black mold, which is a representative mold of mold, in a BOX assuming a vegetable room of a refrigerator.
  • the test conditions are BOX capacity of about 70L, BOX internal temperature of about 5 ° C, BOX relative humidity is 90% R.
  • the electrostatic atomizer 131 was installed in the BOX.
  • a conventional vegetable room was assumed, and the same test was performed without the electrostatic atomizer 131.
  • the test mold was sprayed so that the number of the initial floating mold was 1000 or more / 100 L ⁇ Air. The number of bacteria was measured by an air sampler suction method.
  • a virus a spike protein on the virus surface, infests nutrients such as saliva and propagates.
  • the ultra fine mist containing the generated radicals attaches around the virus and decomposes spikes (proteins), so that the virus cannot infest the nutrients and is inactivated to suppress reproduction.
  • the amount of ozone and OH radicals is not strong enough to kill the virus itself, but the amount of ozone and OH radicals that promotes inactivation of the virus, ie, death, by destroying proteins on the surface of the virus.
  • mold growth can be suppressed within a range that does not affect the freshness of the vegetables as described above.
  • Test conditions are BOX capacity of about 30L, BOX internal temperature is room temperature, BOX relative humidity is 90% R.
  • the electrostatic atomizer 131 of Form 1 of the actual machine was installed in the BOX and operated at an operation rate of 30 minutes ON and 30 minutes OFF.
  • a conventional vegetable room was assumed, and the same test was performed without the electrostatic atomizer 131.
  • Virus inactivation was compared with the logarithm of 50% tissue culture infectious dose (TCID50). The smaller the logarithmic value of TCID50 is, the higher the virus inactivation rate is. If the LogTCID50 value is 2 or more, it can be said that there is a significant difference.
  • FIG. 9 is a diagram showing the relationship between the freshness of vegetables and the ozone concentration. It represents the antibacterial activity value and the sensory evaluation value of the appearance at each ozone concentration.
  • the ozone concentration is 10 ppb or more and the target antibacterial activity value is 2.0 or more (the number of bacteria relative to the control is 1/100 or less). Further, the ozone concentration is 10 to 80 ppb that the appearance state of vegetables is 2.5 or more, which is the edible tolerance limit.
  • the ozone concentration is 10 ppb or less, the rot of the vegetables progresses due to the influence of the bacteria grown on the vegetable surface, and the state deteriorates.
  • ozone-sensitive spinach, tomatoes, leeks, lettuce, etc. are destroyed by ozone, resulting in deterioration of quality due to leaf whitening, etc. Not suitable.
  • the ozone concentration suitable for the preservation of vegetables is 10 to 80 ppb. This concentration is effective in suppressing microbial growth in the vegetable room, but does not damage the vegetable tissue. Furthermore, vegetables detect trace amounts of ozone as a harmful substance, activate the biological defense reaction of vegetables, promote the production of antioxidant substances such as carotene and vitamins, and increase the nutrients. However, in a household refrigerator, it is desirable to set the ozone concentration to 30 ppb or less so as not to give the user an unpleasant feeling of ozone odor. Therefore, an appropriate ozone concentration in the household refrigerator is in the range of 10 to 30 ppb.
  • the amount of radicals generated simultaneously with ozone is controlled to be 10 to 50 ⁇ mol / L.
  • Radicals like ozone, are harmful substances for living organisms in large quantities, but in small quantities, they activate biological defense reactions and produce a large amount of antioxidants such as carotene and vitamins, contributing to resistance enhancement.
  • a concentration of 10 to 50 ⁇ mol / L it is a concentration that causes cell destruction for microorganisms, but it is not a concentration that adversely affects vegetables, but rather an increase in nutrients in a biological defense reaction can be expected.
  • the radical amount is preferably about 10 to 50 ⁇ mol / L, judging from both the antibacterial effect and the freshness of vegetables.
  • the result shown in FIG. 10 is an appropriate amount of radicals calculated based on the result of confirmation with relatively sensitive lettuce, and the appropriate range is expected to vary depending on the type of vegetable, but is not necessarily limited.
  • the mist sprayed in the vegetable compartment 108 is electrically attached to the surface of the vegetable and fruit that is positively charged in the vegetable compartment 108 and the inner wall surface of the vegetable compartment 108, and becomes a minute recess on the surface of the vegetable and fruit. Mold, bacteria, yeast, and viruses that invade the recesses and peel off by the internal pressure energy of fine mist are removed by oxidative degradation by the oxidative degradation action of ozone and radicals. On the other hand, it penetrates into fine holes in the wall surface, and similarly, dirt and harmful substances inside the holes are lifted and decomposed and removed by ozone oxidation decomposition.
  • the oxidizing power of OH radicals can cause bacteria, mold, yeast, viruses, etc.
  • the ability of decomposing microorganisms can be improved. Therefore, even if the internal temperature is raised during the power saving operation, it is possible to save energy while maintaining the freshness of fruits and vegetables.
  • the refrigerator of the present invention detects the light and darkness around the front surface of the refrigerator by the illuminance sensor 36 as detection means, outputs it to the control means 54, and further stores the data in the storage means 55.
  • the number of doors open / closed, the door opening / closing time, the refrigerator open / close time based on the output signal of the door SW51 as a door open / close detection device which is a detection means capable of detecting the use status of the refrigerator by detecting the open / close state of the refrigerator compartment door 22a and other doors.
  • the temperature data detected by the outside air temperature sensor provided in the outer shell and the inside sensor for detecting the inside temperature are also input to the storage means.
  • This data is taken out at regular intervals, and the operation pattern is set by the control means 54, and the temperature setting of the compressor 109, the cooling fan 113, the temperature compensation heater 56, and each storage chamber, which are electrical load components, is automatically varied.
  • the illuminance sensor 36 if it is detected by the illuminance sensor 36 that it is 5 Lx or less, and the state has passed for a certain period of time and further cooled to a predetermined temperature or less, power saving such as suppression of compressor rotation speed and overcooling prevention operation is performed.
  • the control means controls the temperature of the storage chamber to be raised, and the electrostatic atomizer functions so that it is supplied from the electrostatic atomizer.
  • Mist can be supplied from the space dedicated to mist spraying, where high-concentration mist is stored, to the storage room where the temperature has risen, and even if the temperature in the cabinet rises due to power-saving operation, it adheres to the inside of the cabinet or the vegetable surface
  • a refrigerator capable of performing automatic power-saving operation by supplying ozone and OH radical-containing mist that can suppress the increase of microorganisms such as mold, bacteria yeast and viruses and maintain freshness be able to.
  • the function addition device in the case of providing a function addition device that generates OH radicals and an electrostatic atomization device that sprays mist containing OH radicals, the function addition device is provided in the storage chamber as much as possible because the durability time of OH radicals is short. It is desirable that the antibacterial effect can be surely achieved.
  • the electrostatic atomizer is operated during the power saving operation.
  • the electrostatic atomizer is operated during the normal operation, and the time during which the electrostatic atomizer operates during the power saving operation is set.
  • the ozone concentration or the amount of OH radicals may be increased from the normal concentration by extending the discharge energy (for example, voltage or current) of the electrostatic atomizer.
  • the sterilization ability can be improved, the freshness maintenance can be enhanced, and the energy saving effect can be obtained by raising the internal temperature.
  • the freshening component generator is an electrostatic atomizer, but the freshening component generator may be an ozonizer or an ion generator.
  • the freshening component generator may be an ozonizer or an ion generator.
  • the refrigerator according to the present invention can be applied to a home or business refrigerator provided with a learning function and an environment detecting means, and using the result to control the operation mode to be switched to a power saving operation or the like and to maintain the freshness. Is.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
PCT/JP2011/001754 2010-03-26 2011-03-25 冷蔵庫 WO2011118223A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201180009173.4A CN102782427B (zh) 2010-03-26 2011-03-25 冰箱
JP2012506858A JP5789781B2 (ja) 2010-03-26 2011-03-25 冷蔵庫

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JP2010-072040 2010-03-26
JP2010072040 2010-03-26

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014040947A (ja) * 2012-08-21 2014-03-06 Toshiba Corp 冷蔵庫
WO2014073423A1 (ja) * 2012-11-06 2014-05-15 シャープ株式会社 空気調和システム
JP2014173744A (ja) * 2013-03-06 2014-09-22 Panasonic Corp 冷蔵庫
JP2016065711A (ja) * 2015-12-15 2016-04-28 シャープ株式会社 冷蔵庫
JP2017062112A (ja) * 2017-01-17 2017-03-30 東芝ライフスタイル株式会社 冷蔵庫
JP2017090040A (ja) * 2017-01-18 2017-05-25 シャープ株式会社 微生物抑制用空気調和システム
JP2018146220A (ja) * 2017-03-07 2018-09-20 東芝ライフスタイル株式会社 冷蔵庫
CN108981267A (zh) * 2018-09-25 2018-12-11 长虹美菱股份有限公司 一种保鲜冰箱及其控制方法
JP2019117047A (ja) * 2019-04-26 2019-07-18 東芝ライフスタイル株式会社 冷蔵庫
CN111692799A (zh) * 2019-03-14 2020-09-22 海信容声(广东)冰箱有限公司 一种制冷设备及其控制方法
WO2021149385A1 (ja) * 2020-01-22 2021-07-29 パナソニックＩｐマネジメント株式会社 冷蔵庫

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TWI555957B (zh) * 2014-11-12 2016-11-01 Matsushita Electric Tw Co Ltd refrigerator
CN108844279A (zh) * 2018-06-28 2018-11-20 池州市若水软件开发有限公司 一种臭氧消毒冰箱
CN111380291B (zh) * 2018-12-28 2022-03-25 海尔智家股份有限公司 风冷冰箱及其杀菌方法

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JP2003194446A (ja) * 2001-12-25 2003-07-09 Hitachi Ltd 冷蔵庫
JP2010038441A (ja) * 2008-08-05 2010-02-18 Panasonic Corp 冷蔵庫

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Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014040947A (ja) * 2012-08-21 2014-03-06 Toshiba Corp 冷蔵庫
CN104755853B (zh) * 2012-11-06 2017-10-10 夏普株式会社 空气调节***
WO2014073423A1 (ja) * 2012-11-06 2014-05-15 シャープ株式会社 空気調和システム
CN104755853A (zh) * 2012-11-06 2015-07-01 夏普株式会社 空气调节***
JP2014092334A (ja) * 2012-11-06 2014-05-19 Sharp Corp 空気調和システム
JP2014173744A (ja) * 2013-03-06 2014-09-22 Panasonic Corp 冷蔵庫
JP2016065711A (ja) * 2015-12-15 2016-04-28 シャープ株式会社 冷蔵庫
JP2017062112A (ja) * 2017-01-17 2017-03-30 東芝ライフスタイル株式会社 冷蔵庫
JP2017090040A (ja) * 2017-01-18 2017-05-25 シャープ株式会社 微生物抑制用空気調和システム
JP2018146220A (ja) * 2017-03-07 2018-09-20 東芝ライフスタイル株式会社 冷蔵庫
CN108981267A (zh) * 2018-09-25 2018-12-11 长虹美菱股份有限公司 一种保鲜冰箱及其控制方法
CN108981267B (zh) * 2018-09-25 2023-08-04 长虹美菱股份有限公司 一种保鲜冰箱及其控制方法
CN111692799A (zh) * 2019-03-14 2020-09-22 海信容声(广东)冰箱有限公司 一种制冷设备及其控制方法
JP2019117047A (ja) * 2019-04-26 2019-07-18 東芝ライフスタイル株式会社 冷蔵庫
JP6995082B2 (ja) 2019-04-26 2022-01-14 東芝ライフスタイル株式会社 冷蔵庫
JP2022043157A (ja) * 2019-04-26 2022-03-15 東芝ライフスタイル株式会社 冷蔵庫
WO2021149385A1 (ja) * 2020-01-22 2021-07-29 パナソニックＩｐマネジメント株式会社 冷蔵庫
JP2021116934A (ja) * 2020-01-22 2021-08-10 パナソニックＩｐマネジメント株式会社 冷蔵庫

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JP5789781B2 (ja) 2015-10-07
CN102782427A (zh) 2012-11-14
CN102782427B (zh) 2015-02-25

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