CN1532495A - Refrigerator - Google Patents

Refrigerator Download PDF

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Publication number
CN1532495A
CN1532495A CNA031601472A CN03160147A CN1532495A CN 1532495 A CN1532495 A CN 1532495A CN A031601472 A CNA031601472 A CN A031601472A CN 03160147 A CN03160147 A CN 03160147A CN 1532495 A CN1532495 A CN 1532495A
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CN
China
Prior art keywords
refrigerator
negative electrode
lid
accepting container
electrode
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
Application number
CNA031601472A
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Chinese (zh)
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CN1293353C (en
Inventor
服部隆雄
信
冈田大信
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Lifestyle Products and Services Corp
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Toshiba Corp
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Publication date
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Publication of CN1532495A publication Critical patent/CN1532495A/en
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Publication of CN1293353C publication Critical patent/CN1293353C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • 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
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B7/00—Preservation or chemical ripening of fruit or vegetables
    • A23B7/14—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10
    • A23B7/144—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of gases, e.g. fumigation; Compositions or apparatus therefor
    • A23B7/148—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of gases, e.g. fumigation; Compositions or apparatus therefor in a controlled atmosphere, e.g. partial vacuum, comprising only CO2, N2, O2 or H2O
    • 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
    • F25D23/00—General constructional features
    • F25D23/12—Arrangements of compartments additional to cooling compartments; Combinations of refrigerators with other equipment, e.g. stove

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Physics & Mathematics (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Food Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • General Chemical & Material Sciences (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)
  • Freezing, Cooling And Drying Of Foods (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

To provide a refrigerator having a deoxidation device capable of preventing the reduction of oxygen separation and removal efficiency even when the inside of the refrigerator is cooled. A lid body 48 attached detachably to a storage vessel 46 in a vegetable chamber 16 is provided, and the deoxidation device 58 is provided on the lid body 48. The deoxidation device stores an electrolysis element 62 nipping a polymer electrolyte membrane 64 by a positive electrode 66 and a negative electrode 68 inside a box body 60 to separate and remove oxygen in the air in a space sealed by the lid body 48 and the storage vessel 46 by the deoxidation device 58.

Description

Refrigerator
Technical field
The present invention relates to realize the refrigerator of the cooling space of low-oxygen environment.
Background technology
In recent years, to improve the consideration of environment and to be background, refrigerator there is the tendency of paying attention to food preservation, energy saving to the care of economy.General often can see food preservation food because of throwing away in vain in refrigerator above the holding time.Therefore, for fear of the discarded waste that causes, when realizing food energy-conservation, require to improve refrigerator and preserve food performance, so that can both obtain fresh food at any time because of food.
As the main cause that food degenerates, can enumerate dry and oxidation etc.
As solution be to the drying of the 1st reason, it is effective preserving under the condition little in temperature change, that humidity is high, for example, preserving chamber is set, each preserving chamber is provided with special-purpose cooling body can prevents to degenerate because of the food that this drying causes by the food that every kind is accommodated.In addition, for vegetables, just can improve freshness by removing as the ethylene gas that makes the aging hormone of green fruit.
As the solution of oxidation of the 2nd reason be to have proposed following invention scheme (Japanese documentation 1: the spy opens flat 9-287869 communique).
That is, in air, have about 20% oxygen and since mainly make fish or meat the lubricant component oxidation, become the main cause that food degenerates, the invention of described patent documentation 1 is at the back side of refrigerator vegetable chamber, to be provided with the device for deoxidizing that can reduce oxygen concentration.This device for deoxidizing has solid polyelectrolyte membrane and with 2 electrodes of its clamping, when making electric current pass through between this pair of electrodes, on the one hand at side of the positive electrode generation oxygen, on the other hand, the oxygen that exists in negative side loses by electrode reaction.Therefore, utilize this effect, the oxygen concentration that is positioned at vegetable compartment inside is reduced.
But, when being when having the refrigerator of device for deoxidizing of said structure, because device for deoxidizing is set directly in the vegetable compartment, cold air in the case is directly facing to device for deoxidizing, so the temperature that causes along with this cold air reduces and the temperature reduction of generation solid electrolyte film, thereby there is the problem that causes oxygen to separate the reduction of removing efficient.
The content of invention
Therefore, in view of the above problems, the object of the invention is, even provide to have the refrigerator that oxygen separates the device for deoxidizing of removing the efficient reduction does not take place when being cooled in case yet.
The present invention's the 1st technical scheme is a kind of refrigerator, be provided with lid being positioned on the food accepting container of refrigerator cooling space, on described lid, be provided as the casing of device for deoxidizing body, described box house, the electrolytic element that is become the polyelectrolyte membrane of hydrogen ion exchange membrane by the electrode clamping with both positive and negative polarity is separated, the negative electrode of described electrolytic element is set at the private side of described food accepting container, and on the described casing relative, be provided with grid with described negative electrode, in described cover body outside the anode electrode of described electrolytic element is set, on the described casing relative, is provided with grid with described negative electrode.
The refrigerator of the present invention's the 2nd technical scheme is, in the described refrigerator of the present invention's the 1st technical scheme, it is characterized in that, is provided with circulating fan on described lid.
The refrigerator of the present invention's the 3rd technical scheme is, in the described refrigerator of the present invention's the 1st technical scheme, it is characterized in that, at described box house, is provided with circulating fan in being provided with the space of described negative electrode.
The refrigerator of the present invention's the 4th technical scheme is, in the described refrigerator of the present invention's the 1st technical scheme, it is characterized in that, only scold network of rivers film hydrophilic nethike embrane being set on the described anode electrode or only on described negative electrode, being provided with, or to scold network of rivers film hydrophilic nethike embrane being set on the described anode electrode and on described negative electrode, being provided with.
The refrigerator of the present invention's the 5th technical scheme is in the described refrigerator of the present invention's the 1st technical scheme, to it is characterized in that described cooling space is the switching chamber of design temperature in vegetable compartment, refrigerating chamber or the energy a-b box.
Adopt the 1st technical scheme of the present invention, because electrolytic element is housed in the casing as the device for deoxidizing body, cold air is directly facing to electrolytic element, can prevent to reduce and make oxygen separate the reduction of removing efficient along with component temperature.In addition, be arranged on by the casing that will accommodate electrolytic element on the lid of food accepting container, the obstacle in the time of can not becoming preserved food products to the food accepting container can not impact the internal volume of food accepting container yet.In addition, by grid is set respectively on casing, the cold air in the case can directly not face toward electrolytic element, and air is flowed on each electrode.
Adopt the 2nd technical scheme of the present invention, owing to be provided with circulating fan on lid, so can make the air diffusion rate of the oxygen separation removal reaction usefulness on the negative electrode of electrolytic element obtain relaxing, its result can reach the low oxygen concentration state rapidly.
Adopt the 3rd technical scheme of the present invention, owing to be provided with circulating fan in food accepting container inside, so the air in the food accepting container can be sent into box house.
Adopt the 4th technical scheme of the present invention, owing to hydrophilic nethike embrane is set or scolds network of rivers film, so can reach the low oxygen concentration state rapidly.
Adopt the 5th technical scheme of the present invention, the oxidation that can prevent to be positioned at vegetable compartment, refrigerating chamber or switch the food of indoor food accepting container inside.
When adopting refrigerator of the present invention, because electrolytic element is housed in the casing, the cold air that blows out to cooling space can directly not contact with electrolytic element, separates the reduction of removing efficient so can prevent block.In addition, be located at by the casing that will accommodate electrolytic element on the lid of food accepting container, the obstacle in the time of can not becoming preserved food products can not impact the internal volume of food accepting container yet.
In addition, by the grid of hole or groove shape, air is passed through on electrolytic element.
The simple declaration of accompanying drawing
Fig. 1 is the longitudinal section of the refrigerator of the 1st example of the present invention.
Fig. 2 is the longitudinal section of the device for deoxidizing of this refrigerator.
Fig. 3 is the longitudinal section of the device for deoxidizing of the 2nd example.
Fig. 4 is the longitudinal section of the refrigerator of the 4th example.
The specific embodiment
[the 1st example]
Below, according to Fig. 1 and Fig. 2 the refrigerator 10 of the 1st example of the present invention is described.
(1) structure of refrigerator 10
At first, according to Fig. 1 the structure of the refrigerator 10 of this example is described.
The casing 12 of refrigerator 10 has refrigerating chamber 14, vegetable compartment 16, ice-making compartment 18, refrigerating chamber 20 from the upper strata, be provided with switching chamber not shown among Fig. 1 on the right side of ice-making compartment 18.
Be provided with at the rear of refrigerating chamber 20 Machine Room 22, and within it portion be provided with compressor 24.
Be provided with refrigeration at the rear of vegetable compartment 16 with evaporimeter (below be called the R evaporimeter) 26, refrigerate with pressure fan (below be called the R fan) 28 being provided with above this R evaporimeter 26.
Be provided with at the rear of ice-making compartment 18 and refrigerating chamber 20 freezing with evaporimeter (below be called the F evaporimeter) 30, be provided with above this F evaporimeter 30 freezing with pressure fan (below be called the F fan) 32.
Between R evaporimeter 26 and vegetable compartment 16, partition wall 34 is arranged, on this partition wall 34, offer the air outlet 36 that carries out the cold air air-supply from R fan 28 to vegetable compartment 16.
In refrigerating chamber 14, vegetable compartment 16, ice-making compartment 18, refrigerating chamber 20 and switching chamber, be respectively equipped with door 38,40,42,44.
In vegetable compartment 16, configuration is used to accommodate the accepting container 46 of vegetables etc., can forwards pull out with the door 42 of drawer type.
Accommodate at this and to hold 46, be provided with the lid of using as fresh-keeping cover 48 that is used to prevent the vegetable drying of accommodating.This lid 48 covers the state that becomes to be contained in the vegetable compartment 16 with accepting container 46, under the state that accepting container 46 is forwards pulled out, and the state of being accommodated the top board face to vegetable compartment 16 to lift.Therefore, can not forwards pull out linkedly with accepting container 46.
On the front portion of this lid 48, be provided with the pressing device that is used for lid 48 is covered reliably the top peristome of accepting container 46.This pressing device 50 be provided with will be positioned at accepting container 46 the 1st top fulcrum 52 and be positioned at the bar 56 that the rotating shaft 54 of the upper interior portion of door 42 is connected, the leading section of this bar 56 is given prominence to from door 42.When the leading section of this bar 56 descended, shown in the double dot dash line of Fig. 1, lid 48 rose and accepting container 46 is made open state, and when the leading section with bar 56 lifted, lid 48 is become to accepting container 46 pushings was close to state.
On lid 48, be provided with device for deoxidizing 58.To describe in detail in the back this structure.
The back side in the vegetable compartment 16 of refrigerator 10 is provided with the control substrate 82 as the control device of refrigerator 10.
(2) structure of device for deoxidizing 58
Then, according to Fig. 2 the structure of device for deoxidizing 58 is described.
Device for deoxidizing 58 is arranged on the above-mentioned lid 48 as previously mentioned.The body of this device for deoxidizing 58 is the structures of accommodating electrolytic element 62 in the inside of the casing 60 that is made of cube.
Electrolytic element 62 is to utilize tabular anode electrode 66 and tabular negative electrode 68 to come clamping to become the structure of the polyelectrolyte membrane 64 of hydrogen ion exchange membrane.This electrolytic element 62 is utilized support plate 70 and is supported in the inside of casing 60.In addition, casing 60 is divided up and down by this support plate 70 and electrolytic element 62, at the upper side of casing 60 configuration anode electrode 66, in lower side, promptly disposing negative electrode 68 in accepting container 46 sides.
On the casing 60 relative 72 with anode electrode 66, be provided with a plurality of grids 74 of hole or flute profile, also offer the opening of a plurality of grids 76 at the casing 60 relative with negative electrode 68.
In addition, be extended with the lead 78,80 that is used for applying respectively voltage, and the supply unit 84 on the control substrate 82 of lead 78,80 and the rear side of the vegetable compartment 16 that is positioned at refrigerator 10 is connected from anode electrode 66 and negative electrode 68.
(3) action of device for deoxidizing 58
Operating state to the device for deoxidizing 58 of said structure describes.
Door 42 is forwards pulled out and vegetables etc. are contained in the accepting container 46.
When closing to the doorstep 42, when the upper end of bar 56 is forwards lifted, utilize pressing device 50, lid 48 is just with the top peristome complete closed of accepting container 46.
Closing to the doorstep 42 and accepting container 46 is housed under the state in the vegetable compartment 16, the occasion that opens and closes of opposite house not more than (for example 30 minutes) at the appointed time, control substrate 62 makes supply unit 84 actions and respectively anode electrode 66 and negative electrode 68 is applied voltage, separates removal oxygen.As the time that this voltage is applied, for example be approximately from 1 hour to 2 hours.In this occasion, it is inner and contact with negative electrode 68 oxygen concentration is reduced that the air that is arranged in accepting container 46 enters casing 60 from the grid 76 of lower side, and on the contrary, the air of anode electrode 66 sides after the oxygen concentration rising is discharged to the outside from the grid 74 of upper face side.
Utilize such action, can make at the oxygen concentration of airtight accepting container 46 inside by device for deoxidizing 58 and reduce, can prevent that the vegetables of accommodating etc. are oxidized.
Polyelectrolyte membrane 64, separates oxygen along with the reduction of component temperature preventing to resemble in the past and removes the unfavorable condition that efficient reduces so can directly not contact with the cold air from R fan 28 owing to covered by casing 60.
Device for deoxidizing 58, owing to be arranged on the lid 48, the internal volume of accepting container 46 self is constant, so can fully accommodate food.In addition, when this is accommodated, can not hinder device for deoxidizing 58 yet.
Owing to the inside that electrolytic element 62 is contained in casing 60, the user can directly not contact with this electrolytic element 62, and can not lose function because of the damage of the electrolytic element a little less than the mechanical strength 62.
[the 2nd example]
According to Fig. 3 the device for deoxidizing 58 of the 2nd example is described.
This example is with the difference of the 1st example, is provided with circulating fan 86 in the inside of casing 60.
As shown in Figure 3, as by part in 62 pairs of the electrolytic element every casing 60 inside, in the space of negative electrode 68 sides, be provided with circulating fan 86.
Like this, owing to be provided with circulating fan 86, can make the air that enters the accepting container 46 of casing 60 from grid 76 arrive negative electrode 68 rapidly, can promote oxygen to separate the reaction of removing.
[the 3rd example]
According to Fig. 4 the refrigerator 100 of the 3rd example is described.
The difference of this example and the 1st example is, is provided with circulating fan 88 in accepting container 46 sides of lid 48.
As shown in Figure 4, by below lid 48, being provided with circulating fan 88, air to accepting container 46 inside stirs, owing to can make this air deliver on the negative electrode 68 of casing 60 inside by grid 76, so can make the air diffusion rate that is used for oxygen separation removal reaction on negative electrode 68 obtain relaxing, its result can reach low oxygen concentration state (for example oxygen concentration is 5%) rapidly.
[the 4th example]
The difference of this example and the 1st～the 3rd example is, is provided with hydrophilic nethike embrane on the tabular anode electrode 66 in electrolytic element 62, is provided with on the surface of tabular negative electrode 68 and scolds network of rivers film.
Setting scolds the reason of network of rivers film to be, utilizes the reduction reaction of oxygen to generate moisture content, the oriented possibility that formed confined space is emitted on lid 48 and accepting container 46 of this moisture content on the face of the negative electrode 68 of electrolytic element 62.Therefore, scold network of rivers film by being provided with on the surface of negative electrode 68, the humidity that can suppress near the space the negative electrode 68 rises, and oxygen is separated remove the moisture content diffusion rate of reaction usefulness to obtain relaxing, and its result can reach the low oxygen concentration state.
The reason that hydrophilic nethike embrane is set is, on the face of the anode electrode 66 of electrolytic element 62, utilize water oxidative decomposition, work as the conductive carrier that forms proton.And, the humidity near the space the anode electrode 66 is risen by hydrophilic nethike embrane is set on the surface of anode electrode 66, can make oxygen separate the speed state of removing reaction to obtain relaxing equally with above-mentioned.
In addition, as mentioned above,, hydrophilic nethike embrane is arranged on the anode electrode 66, will scolds network of rivers film to be arranged on structure on the negative electrode 68, also can make oxygen separate the speed of removing reaction and obtain mitigation but make not with hydrophilic nethike embrane and scold network of rivers film that two sides are set.
[modification]
In above-mentioned example, be that device for deoxidizing 58 is located on the lid 48 on the accepting container 46 of vegetable compartment 16 of refrigerator 10, but be not limited thereto, also the device for deoxidizing 58 of said structure can be arranged on the lid of accepting container 46 of switching chamber that refrigerating chamber 20 maybe can switch design temperature in the not shown case.

Claims (5)

1, a kind of refrigerator is characterized in that,
Be provided with lid being positioned on the food accepting container of refrigerator cooling space,
On described lid, be provided as the casing of the body of device for deoxidizing,
Described box house, the electrolytic element of being used the electrode clamping of both positive and negative polarity to become the polyelectrolyte membrane of hydrogen ion exchange membrane is separated,
At the private side of described food accepting container the negative electrode of described electrolytic element is set, and on the described casing relative, is provided with grid with described negative electrode,
In described cover body outside the anode electrode of described electrolytic element is set, and on the described casing relative, is provided with grid with described negative electrode.
2, refrigerator as claimed in claim 1 is characterized in that, is provided with circulating fan on described lid.
3, refrigerator as claimed in claim 1 is characterized in that, at described box house, is provided with circulating fan in being provided with the space of described negative electrode.
4, refrigerator as claimed in claim 1, it is characterized in that, only scold network of rivers film hydrophilic nethike embrane being set on the described anode electrode or only on described negative electrode, being provided with, or to scold network of rivers film hydrophilic nethike embrane being set on the described anode electrode and on described negative electrode, being provided with.
5, refrigerator as claimed in claim 1 is characterized in that, described cooling space is the switching chamber of design temperature in vegetable compartment, refrigerating chamber or the energy a-b box.
CNB031601472A 2003-03-25 2003-09-26 Refrigerator Expired - Fee Related CN1293353C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003083849A JP2004293827A (en) 2003-03-25 2003-03-25 Refrigerator
JP2003083849 2003-03-25

Publications (2)

Publication Number Publication Date
CN1532495A true CN1532495A (en) 2004-09-29
CN1293353C CN1293353C (en) 2007-01-03

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KR (1) KR100591623B1 (en)
CN (1) CN1293353C (en)

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