CN201072275Y - Oxygen-consumption air-conditioning fresh-keeping refrigerator - Google Patents
Oxygen-consumption air-conditioning fresh-keeping refrigerator Download PDFInfo
- Publication number
- CN201072275Y CN201072275Y CNU2007200912563U CN200720091256U CN201072275Y CN 201072275 Y CN201072275 Y CN 201072275Y CN U2007200912563 U CNU2007200912563 U CN U2007200912563U CN 200720091256 U CN200720091256 U CN 200720091256U CN 201072275 Y CN201072275 Y CN 201072275Y
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- refrigerator
- oxygen
- air
- deoxidation
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Abstract
The utility model relates to an oxygen consumption and air adjusting fresh keeping refrigerator. Air batteries are arranged in the refrigerator; chemical reaction can be occurred, and electric energy can be generated by taking advantage of the air in cold chamber of a refrigerator to supply oxygen for the air batteries; the air batteries are connected with a load that is powered at the same time of consumption oxygen. The utility model ingeniously integrates the technique requirement of deoxidation of the cold chamber of a refrigerator with the technical features of oxygen consumption during air batteries working, enabling the air batteries to be capable of consuming unnecessary oxygen in cold chamber of a refrigerator and generate current to drive a fan or micro air pump to work, so as to carry out effective air circulation and improve deoxidation effect. The refrigerator of the utility model needs not external power during deoxidation, and the air batteries can directly absorb redundant oxygen of the refrigerator to generator current, so as to provide power for the load, which can reduce the oxygen content of the cold chamber of a refrigerator, improve the performance for keeping foods and enable customers to be able to access to fresh food at any time.
Description
Technical field
The utility model relates to a kind of oxygen consumption controlled atmosphere refrigerator, applicable to household refrigerator-freezer.
Background technology
Cause that food spoilage has 5 reasons usually: (1) microbial action; (2) effect of enzyme; (3) oxidation; (4) respiration; (5) mechanical damage.In general, the reduction of temperature can delay, weaken their effect, but can not suppress their effect fully, so refrigerating food, its quality always descends to some extent.In order to reach the fresh-keeping purpose of refrigerator food, must study the fridge freshness retaining technology from four aspects: Temperature Treatment, microbiological treatment, humidity are handled and gas regulation.
Oxygen content in the normal air is nearly 21%, and the content height is unfavorable for food fresh keeping.The oxidation of food, respiration are all closely related in oxygen and the refrigerator.The breathing of food is slow more, and fresh keeping time is long more; The oxidation of food is low more, and the fresh keeping time of food is long more.According to the Food Science technology, the oxygen concentration that fruits and vegetables need when storage is very low, as shown in table 1
| Kind | CO 2％ | O 2％ |
| Apple | 2～5 | 3 |
| Asparagus | 5～10 | 2.9 |
| Wild cabbage | 2.5～5 | 2.5～5 |
| |
5 | 2 |
| Sprouting |
10 | 2.5 |
| Cabbage | 2.5～5 | 2.5～5 |
| |
5～10 | 1 |
| Pears | 5 | 1 |
| Spinach | 11 | 1 |
| Tomato (green) | 0 | 3 |
The freshness date of guaranteeing the quality that the continuous controlled atmospheres of table 1 part fruits and vegetables (CA) the storage condition table 1 continuous controlled atmospheres of part fruits and vegetables (CA) storage condition can prolong food by the mode that reduces the indoor concentration of oxygen of refrigerator cold-storage, if the composition that can control the food storage environmental gas just can be controlled the breathing and the evaporation of fruits and vegetables, suppress microbial growth, suppress the oxidation and the brown stain of food composition, thereby reach the purpose that prolongs the food fresh keeping phase.
Reduce oxygen content in the air, food fresh keeping is had tangible effect: hypoxemia can suppress chlorophyllous degraded, reaches the purpose of food fresh keeping; Can reduce the loss of ascorbic acid, improve nutritive value of food; Can reduce the minimizing speed of insoluble pectin material, increase the crisp hardness of food.Reduce oxygen content in the air, can reduce the respiratory intensity of fruits and vegetables and postpone the appearance of its respiratory climacteric, oxygen just works in the time of must dropping to 7% following content to the inhibition of respiratory intensity, but should not be lower than 2%, otherwise is prone to intoxicating phenomenon.Reduce airborne oxygen content, generation that can ethene suppressing, and weaken the spread effect of ethene to maturation, therefore also just be subjected to inhibition by the caused physiological action of ethene, as coming off and the hydrolysis of cracking, climacteric and reserve substance etc. of synthetic, the histoorgan of the chlorisis of chlorophyllous degraded, fruit and maturation, protein, thereby delayed the senescence process of fruits and vegetables, prolonged the freshness date of food, improved the preservation quality of food.
The Food Science technology has been the science and technology of a maturation, and people have worked out the fresh-keeping science and technology of numerous food product, as vacuum freshness retaining, and controlled atmosphere etc.Food preservative technology has obtained application in large cold storage, usually oxygen content, humidity and carbon dioxide content in cryogenic technique and the control gas is combined, and prolongs the freshness date of food.
The refrigerator of listing has adopted preservation by low temperature technology, high humility preservation technique and sterilization fresh-keeping technology now, these The Application of Technology, to the fresh-keeping positive role that played of refrigerator foodstuff storing, but the refrigerator of up to the present also the oxygen in the refrigerator, carbon dioxide not being controlled in the world wide.
Chinese patent CN86204116 discloses a kind of fresh-keeping device, and this fresh-keeping device is made up of conventional refrigerator and degasifier, and this degasifier is made up of iron pond body, core pipe, carbon-point, electrolyte and bubbling pipe.The deoxidation of the disclosure patent is that the air in the refrigerator feeds electrolyte through gas circulator, be dispersed into tiny bubble by bubbling pipe, air contacts with electrolyte, electrolyte absorption oxygen, become oxidation state by going back ortho states, under galvanic effect, electrolyte is become by oxidation state at negative pole goes back ortho states, at anodal precipitated oxygen, so just reduced by the airborne oxygen concentration after the degasifier processing.The gas of storeroom by getting back to storeroom after the degasifier deoxidation, carries out continuous deoxidation in the gas return path of a closure under the effect of gas circulator.This utility model patent structure is comparatively complicated, applies thereby limited it.
The Chinese patent communique discloses a kind of name and has been called " refrigerator ", application number is 03160147.2 patent, its technical scheme is: be provided with mounting or dismounting lid freely on the accepting container of vegetable compartment, this lid is provided with device for deoxidizing, device for deoxidizing, to be housed in the inside of casing by the electrolytic element of anode electrode and negative electrode clamping polyelectrolyte membrane, and utilize lid the airborne oxygen in the confined space to be separated removal with accepting container and by this device for deoxidizing.This patent is at the fruit and vegetable box design, and is inapplicable to whole refrigerating chamber.
In sum, the device for deoxidizing that existing refrigerator with deoxygenation function is used all must realize reducing the purpose of oxygen concentration by the external application supply unit, complex structure, and energy consumption is bigger, has limited its application in actual production.
Air cell comprises metal negative pole 1, oxygen anodal 2 and alkaline solution medium 3 (as shown in Figure 1), and wherein the metal negative pole is the active metal, adopts powder porous electrode structure; Alkaline solution is NaOH or KOH alkaline solution; The oxygen positive electrode will react with catalytic membrane when air enters inside battery for promoting the catalytic membrane of oxygen reduction, forms the air positive pole; Airborne oxygen is participated in electrochemical reaction at positive pole and is produced electric current, constantly absorbs new fresh oxygen after oxygen is consumed from air, continues to produce electric current.
The utility model content
The purpose of this utility model is to provide a kind of oxygen consumption controlled atmosphere refrigerator, to reduce the oxygen content in the indoor gas of refrigerator cold-storage, improves refrigerator and preserves food performance.
To achieve these goals, the technical solution of the utility model is to have adopted a kind of oxygen consumption controlled atmosphere refrigerator, comprises refrigerating chamber, is provided with an air cell in refrigerating chamber, is connected with a power switch and a load on air cell.
Described load is bulb, fan or mini air pump.
Described air cell is arranged on inside, deoxidation storehouse, is respectively arranged with a gas outlet and an air inlet on the deoxidation warehouse, is provided with a fan or micro air pump at the air inlet place.
Simultaneously, the technical solution of the utility model also is to provide a kind of oxygen consumption controlled atmosphere refrigerator, comprise refrigerating chamber, be outside equipped with an air cell at refrigerating chamber, air cell is arranged in the gas-tight silo, be respectively arranged with an air inlet and a gas outlet on gas-tight silo, air inlet all is connected with the refrigerating chamber of refrigerator by wireway with the gas outlet, is connected with a load on wireway.
Described load is fan or micro air pump.
Of the present utility model an air cell is acted in the refrigerator, be connected with a switch and a load on the air cell, what the oxygen positive electrode of air cell adopted is the catalytic membrane that can promote oxygen reduction, its characteristic is to react by catalytic oxygen, and oxygen can be in its intermediate transfer, oxygen in the deoxidation storehouse from around enter in the oxygen positive pole, under the anodal catalytic action of oxygen, react; The metal negative pole is the active metal, adopts powder porous electrode structure, to increase output current density; With the alkaline solution is medium, can adopt alkaline solutions such as NaOH, KOH.Chemical reaction takes place in active metal Zn in alkaline medium, the general formula of electrode reaction is:
Zn+2OH
-→Z
n(OH)
2+2e E
0＝-0.42V(vs.RHE)
Or Zn (OH)
2+ 2OH
-→ Zn (OH)
4 2-
Product is Z
n(OH)
2Or Z
n(OH)
4 2-Depend on OH
-The oxidant of concentration device for deoxidizing be airborne O
2, oxygen is reduced to OH during discharge
-
O
2+2H
2O+4e
-→4OH
-
Because when having only discharge, O
2Just be reduced to OH
-, therefore needing only the power switch closure, air cell will continue powering load, and chemical reaction will carry out always, and the oxygen in the deoxidation storehouse will constantly be consumed.Method of the present utility model does not need external power supply, and the indoor airborne oxygen of refrigerator cold-storage is participated in electrochemical reaction at positive pole and produced electric current, constantly absorbs new fresh oxygen after oxygen is consumed again from air, continues to produce electric current, powering load.
Because air cell can work at low temperatures, and can not produce heat, volume is also little, so air cell can be arranged on refrigerator inside, also can be arranged on the outside of refrigerator.
When air cell is arranged on refrigerator inside, can directly constantly consume the indoor oxygen of refrigerator cold-storage, reduce the indoor concentration of oxygen of refrigerator cold-storage, reach the purpose of preserving fruit and vegetable utilizing.
When air cell is arranged on the refrigerator outside, earlier air cell is placed in the confined space, when the indoor hyperoxia gas of refrigerator cold-storage is flowed through the confined space at air cell place, oxygen is consumed by air cell, it is indoor that low-oxygen gas returns refrigerator cold-storage under the effect of air pump, reduces concentration of oxygen in the indoor air of refrigerator cold-storage with this.
The utility model is that the technical characterstic of oxygen consumption has carried out combination cleverly during with the work of cold compartment of refrigerator deoxidation technology demand and air cell, not only the indoor unnecessary oxygen expenditure of refrigerator cold-storage can be fallen when making air cell work, and can produce electric current, drive fan or micro air pump work, carry out effective circulation of gas, strengthen deoxidation effect.Refrigerator of the present utility model does not need external power supply when deoxidation, the air cell that adopts can directly absorb unnecessary oxygen in the refrigerator, produce electric current, powering load, can reduce the content of oxygen in the indoor gas of refrigerator cold-storage, improve the freshness date of guaranteeing the quality of the indoor food of refrigerator cold-storage, allow the user can enjoy FF at any time.The utility model proposes a kind of simple fresh-keeping structure of oxygen of falling cheaply, good using value is arranged at refrigerating field.
Description of drawings
Fig. 1 is the structural representation of air cell in the utility model;
Fig. 2 is the structural representation of a kind of embodiment of the utility model refrigerator;
Fig. 3 is the structural representation of the another kind of embodiment of the utility model refrigerator;
Fig. 4 is the structural representation of the third embodiment of the utility model refrigerator.
The specific embodiment
Embodiment 1
As shown in Figure 2, refrigerator of the present utility model comprises refrigerating chamber 5, is provided with an air cell 6 in refrigerating chamber 5, is connected with a power switch 7 and a load on air cell 6.Load in the present embodiment is a fan 8.
During work, after power switch 7 was closed, air cell 6 was started working, and gave circulating fan 8 power supplies simultaneously, fan 8 runnings; The indoor oxygen of refrigerator cold-storage is consumed, reach the purpose of deoxidation, the running of fan 8 can promote to refrigerate the circulation of indoor gas, and the gas of hypoxemia around the air cell 6 is dispelled from air cell space far away, simultaneously will be near air cell hyperoxia gas far away is recycled to device.
Embodiment 2
As shown in Figure 3, the difference of present embodiment and embodiment 1 is: air cell 6 is arranged on 9 inside, a deoxidation storehouse, the deoxidation warehouse is provided with an air inlet and a gas outlet 11, air inlet is provided with a fan 10, wherein the air outlet of fan 10 is connected with a power switch 7 and a bulb 19 towards deoxidation warehouse inside on air cell 6.
Embodiment 3
As shown in Figure 4, present embodiment oxygen consumption controlled atmosphere refrigerator, comprise refrigerating chamber 5, be outside equipped with an air cell 6 at refrigerating chamber 5, air cell 6 is arranged in the gas-tight silo 12, is respectively arranged with an air inlet 13 and a gas outlet 14 on the bottom and the top of gas-tight silo 12, and air inlet 13 all is connected with the refrigerating chamber 5 of refrigerator by wireway with gas outlet 14, on wireway 15, be connected with a micro air pump 16, on air cell 6, be connected with a power switch 17.
Its operation principle is: after shutting power switch 17, air cell 6 is started working, and gives micro air pump 16 power supplies simultaneously; Micro air pump 16 is extracted the hyperoxia air in the cold compartment of refrigerator 5 out, and enter in the gas-tight silo 12 by hyperoxia air wireway 15, air cell 6 consumes airborne part oxygen in the gas-tight silo 12, and the hypoxic air after the deoxidation is in hypoxic air wireway 18 enters cold compartment of refrigerator 5; So constitute circulation, constantly consume the oxygen in the refrigerating chamber, reduce the indoor concentration of oxygen of refrigerator cold-storage, thereby reduce the oxidation rate of refrigerating chamber food, kept the indoor high-nitrogen hypoxia environment of refrigerator cold-storage, come fresh-keeping foodstuff by the respiration that suppresses vegetable and fruit, low-oxygen environment also can effectively suppress the breeding of aerobic bacteria simultaneously, these all help slowing down the rate of deterioration of food, prolong storage life.
It should be noted last that: above embodiment is the unrestricted the technical solution of the utility model in order to explanation only, although the utility model is had been described in detail with reference to the foregoing description, those of ordinary skill in the art is to be understood that: still can make amendment or be equal to replacement the utility model, and not breaking away from any modification or partial replacement of spirit and scope of the present utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (5)
1. an oxygen consumption controlled atmosphere refrigerator comprises refrigerating chamber, it is characterized in that: be provided with an air cell in refrigerating chamber, be connected with a power switch and a load on air cell.
2. oxygen consumption controlled atmosphere refrigerator according to claim 1 is characterized in that: described load is bulb, fan or mini air pump.
3. oxygen consumption controlled atmosphere refrigerator according to claim 1 is characterized in that: described air cell is arranged on inside, deoxidation storehouse, is respectively arranged with a gas outlet and an air inlet on the deoxidation warehouse, is provided with a fan or micro air pump at the air inlet place.
4. oxygen consumption controlled atmosphere refrigerator, comprise refrigerating chamber, it is characterized in that: be outside equipped with an air cell at refrigerating chamber, air cell is arranged in the gas-tight silo, on gas-tight silo, be respectively arranged with an air inlet and a gas outlet, air inlet all is connected with the refrigerating chamber of refrigerator by wireway with the gas outlet, is connected with a load on wireway.
5. oxygen consumption controlled atmosphere refrigerator according to claim 4 is characterized in that: described load is fan or micro air pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200912563U CN201072275Y (en) | 2007-07-30 | 2007-07-30 | Oxygen-consumption air-conditioning fresh-keeping refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200912563U CN201072275Y (en) | 2007-07-30 | 2007-07-30 | Oxygen-consumption air-conditioning fresh-keeping refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201072275Y true CN201072275Y (en) | 2008-06-11 |
Family
ID=39550833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200912563U Expired - Lifetime CN201072275Y (en) | 2007-07-30 | 2007-07-30 | Oxygen-consumption air-conditioning fresh-keeping refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201072275Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108624235A (en) * | 2017-03-23 | 2018-10-09 | 湖南大学 | A kind of oxidation resistant water-base magnetic rheology polishing liquid and preparation method thereof |
| CN111011488A (en) * | 2019-12-27 | 2020-04-17 | 北京蓝玖新能源科技有限公司 | Controlled atmosphere preservation system and application |
| CN113446805A (en) * | 2020-03-24 | 2021-09-28 | 合肥华凌股份有限公司 | Storage container and refrigerator |
-
2007
- 2007-07-30 CN CNU2007200912563U patent/CN201072275Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108624235A (en) * | 2017-03-23 | 2018-10-09 | 湖南大学 | A kind of oxidation resistant water-base magnetic rheology polishing liquid and preparation method thereof |
| CN111011488A (en) * | 2019-12-27 | 2020-04-17 | 北京蓝玖新能源科技有限公司 | Controlled atmosphere preservation system and application |
| CN111011488B (en) * | 2019-12-27 | 2024-01-12 | 广东蓝玖新能源科技有限公司 | Controlled atmosphere preservation system and application |
| CN113446805A (en) * | 2020-03-24 | 2021-09-28 | 合肥华凌股份有限公司 | Storage container and refrigerator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080611 |