CN101322575B - Oxygen concentration regulating device and photodegraded oxygen fresh-keeping refrigerator - Google Patents
Oxygen concentration regulating device and photodegraded oxygen fresh-keeping refrigerator Download PDFInfo
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- CN101322575B CN101322575B CN2007100545681A CN200710054568A CN101322575B CN 101322575 B CN101322575 B CN 101322575B CN 2007100545681 A CN2007100545681 A CN 2007100545681A CN 200710054568 A CN200710054568 A CN 200710054568A CN 101322575 B CN101322575 B CN 101322575B
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Abstract
The invention relates to a preservation refrigerator and a matched oxygen concentration regulating device. The light oxygen reduction preservation refrigerator comprises a refrigerating chamber, an extraction port and an air injection port, the extraction port and the air injection port are communicated with the oxygen concentration regulating device by a corresponding extraction pipeline and an air injection pipeline, a main body of the device is an oxygen concentration regulator with the light response mode, the extraction pipeline is communicated with an air inlet of the oxygen concentration regulator, the air injection pipeline is communicated with an air outlet of the oxygen concentration regulator, electromagnetic valves are both connected on the extraction and the air injection pipelines in series, an air pump is connected on the pipeline of the extraction pipeline or the air injection pipeline within the electromagnetic valve in series, the oxygen concentration regulator, the electromagnetic valves and the air pump are connected with a control circuit. The mode utilizes the characteristics of oxygen absorption and oxygen release of the light response material under the radiation of the ultraviolet with the different wavelengths, the control is convenient, the regulation of the oxygen concentration and the oxygen reduction preservation refrigerator can be further realized by being matched with a simple control element.
Description
Technical field
The present invention relates to the refrigeration technology field preservation technique, relate in particular to a kind of fresh-keeping refrigerator, also relate to a kind of supporting oxygen concentration adjusting device simultaneously.
Background technology
Cause that food spoilage has 5 factors: 1 microbial action; The effect of 2 enzymes; 3 oxidations; 4 respirations; 5 mechanical damages.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, shown in Fig. 1 tabulation, so need take measures to reduce the oxygen concentration of refrigerator.
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, just work when foster inhibition to respiratory intensity must drop to 7% following content, but should not be lower than 2%, otherwise be prone to intoxicating phenomenon.Reduce oxygen content in the air, 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, coming off and ftracture, breathe the hydrolysis of getting over change and reserve substance etc. as synthetic, the histoorgan of the reckoning 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 up to the present also there is not refrigerator that the oxygen in the refrigerator, carbon dioxide are 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 oxygen-eliminating device, and this oxygen-eliminating device is made up of iron pond body, core pipe, carbon-point, electrolyte and bubbling pipe.The phlogistication 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 oxygen-eliminating device processing.The gas of storeroom by getting back to storeroom after the oxygen-eliminating device deoxygenation, carries out continuously deoxidizing in the gas return path of a closure under the effect of gas circulator.The disclosure patent has proposed a kind of scheme that reduces oxygen concentration in the refrigerating chamber, but use what electrolyte less than open, since disclosing, this technology is not applied, also do not see the refrigerator that reduces oxygen concentration in the cold compartment of refrigerator on market, the disclosure patent working difficulty is big.
Chinese patent CN03160147.2 discloses a kind of refrigerator, even have also not make when in case, being cooled to separate and remove the device for deoxidizing that oxygen efficiency reduces, this refrigerator, on the accepting container of vegetable compartment, be provided with mounting or dismounting lid freely, 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 to be separated removal with accepting container and by the airborne oxygen in this device for deoxidizing confined space.This patent is at the fruit and vegetable box design, and is inapplicable to whole refrigerating chamber.
Summary of the invention
Task of the present invention just provides a kind of oxygen concentration adjusting device, provides a kind of light to fall the oxygen fresh-keeping refrigerator simultaneously, the oxygen mode of using with new suitable refrigerator of falling, with the oxygen concentration of keeping cold compartment of refrigerator in the concentration range of food fresh keeping.
Basic principle of the present invention be utilize the light material responsive oxygen uptake with put oxygen characteristic and reduce oxygen concentration with the air that contacts of this material.Japan publication P200761796A discloses a kind of smooth material responsive, this material has the ability that absorbs oxygen and discharge oxygen under the light of proper wavelength irradiation: when this smooth material responsive is penetrated down in the illumination of 254nm wavelength, the adsorption capacity grow of material, so the sorbing material ambient air descends airborne oxygen concentration; Penetrate down in the illumination of 300 ~ 370nm wavelength when this smooth material responsive, the adsorption capacity of material dies down, so discharge the oxygen that has been adsorbed on the material, airborne oxygen concentration is risen.
Concrete technical scheme of the present invention is, at first adopt a kind of oxygen concentration adjusting device, this device is made of the oxygen concentration adjuster of light answer-mode, the exhaust pipe that is communicated with oxygen concentration adjuster air inlet, the gas injection pipeline that is communicated with oxygen concentration adjuster gas outlet, take out, all be serially connected with magnetic valve on the gas injection pipeline, the magnetic valve of exhaust pipe or gas injection pipeline is to be serially connected with air pump on the interior pipeline, and oxygen concentration adjuster, magnetic valve and air pump are connected with a control circuit.
The oxygen concentration adjuster of described smooth answer-mode is made of 254nm uviol lamp and the 300～370nm uviol lamp installed in the light material responsive of splendid attire in container, the container, the container.
The light material responsive of splendid attire is a liquid light material responsive in the described container.
Described magnetic valve is a two-position three-way valve.
The aerophobic apparatus that described oxygen concentration adjuster air inlet is flowed or blow over and cover completely by liquid light material responsive bottom discharges gas.
Described 254nm uviol lamp and 300～370nm uviol lamp are installed in and are deep into the passing through in the ultraviolet transparent cover of liquid light material responsive inside.
Simultaneously, corresponding with above-mentioned oxygen concentration adjusting device, the oxygen fresh-keeping refrigerator falls in a kind of light provided by the invention, comprise refrigerating chamber, in refrigerating chamber, be provided with bleeding point and gas injection port, bleeding point and gas injection port are communicated with a cover oxygen concentration adjusting device by corresponding exhaust pipe and gas injection pipeline, this apparatus main body is the oxygen concentration adjuster of light answer-mode, exhaust pipe is communicated with oxygen concentration adjuster air inlet, the gas injection pipeline is communicated with oxygen concentration adjuster gas outlet, take out, all be serially connected with magnetic valve on the gas injection pipeline, the magnetic valve of exhaust pipe or gas injection pipeline is to be serially connected with air pump on the interior pipeline, the oxygen concentration adjuster, magnetic valve and air pump are connected with a control circuit.
Described oxygen concentration adjusting device is installed in the compressor room.
The oxygen concentration adjuster of described smooth answer-mode is made of 254nm uviol lamp and the 300～370nm uviol lamp installed in the light material responsive of splendid attire in container, the container, the container.
The light material responsive of splendid attire is a liquid light material responsive in the described container.
Described magnetic valve is a two-position three-way valve.
The aerophobic apparatus that described oxygen concentration adjuster air inlet is flowed or blow over and cover completely by liquid light material responsive bottom discharges gas.
Described 254nm uviol lamp and 300～370nm uviol lamp are installed in and are deep into the passing through in the ultraviolet transparent cover of liquid light material responsive inside.
The present invention utilizes the light material responsive to constitute the oxygen concentration adjusting device and falls the oxygen fresh-keeping refrigerator, makes the air in the cold compartment of refrigerator keep low oxygen concentration, so that help food fresh keeping.Oxygen uptake, oxygen release characteristic that this mode utilizes the light material responsive to show under the irradiation of different wave length ultraviolet light, control is convenient, is equipped with simple control element, can realize the adjusting of oxygen concentration and fall the oxygen fresh-keeping refrigerator.In addition, of the present inventionly fall the oxygen fresh-keeping refrigerator and the oxygen concentration adjusting device has proposed 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 continuous controlled atmosphere of part fruits and vegetables (CA) storage condition table;
Fig. 2 is the structural representation of oxygen concentration adjusting device of the present invention;
Fig. 3 is the structural representation of the oxygen concentration adjuster of oxygen concentration adjusting device;
Fig. 4 is the structural representation that falls a kind of embodiment of oxygen fresh-keeping refrigerator of the present invention;
Fig. 5 is the structural representation that falls the another kind of embodiment of oxygen fresh-keeping refrigerator of the present invention;
Fig. 6 is the structural representation that falls the third embodiment of oxygen fresh-keeping refrigerator of the present invention.
The specific embodiment
Oxygen concentration adjusting device of the present invention as shown in Figure 2, in Fig. 2, this device is made of the oxygen concentration adjuster of light answer-mode, the exhaust pipe 12,10 that is communicated with oxygen concentration adjuster air inlet 9, the gas injection pipeline 16,17,18 that is communicated with oxygen concentration adjuster gas outlet 5, take out, be serially connected with magnetic valve 11 (2/2-way magnetic valve), 14 (two-bit triplet magnetic valves) on the gas injection pipeline, the magnetic valve 14 of gas injection pipeline is to be serially connected with air pump 15 on the interior pipeline 16,18, and oxygen concentration adjuster, magnetic valve and air pump are connected with a control circuit.The oxygen concentration adjuster of light answer-mode is made of 254nm uviol lamp 4 and the 300～370nm uviol lamp 7 installed in the light material responsive 3 of splendid attires in the container 8, container 8, the container.The light material responsive 3 of splendid attire is a liquid light material responsive in the container.The aerophobic apparatus 1 that oxygen concentration adjuster air inlet is flowed or blow over and cover completely by liquid light material responsive bottom discharges gas, and the aerophobic apparatus housing is provided with steam vent 2.254nm uviol lamp and 300～370nm uviol lamp are installed in and are deep into the passing through in the ultraviolet transparent cover 6 of liquid light material responsive inside.
The oxygen process is being fallen, 254nm uviol lamp 4,300 ~ 370nm uviol lamp 7 must not, this moment, 3 smooth material responsive solution had the oxygen adsorption capacity under the effect of 254nm ultraviolet irradiation, so the airborne part oxygen in the light material responsive container 8 is by 3 absorption of light material responsive solution, airborne oxygen concentration in the light material responsive container 8 reduces, have air than low oxygen concentration under the effect of micro air pump 15, through manage 18, micro air pump 15, pipe 16, two-bit triplet magnetic valve 14, pipe 17 enter and fall the oxygen space.
After falling oxygen condition work a period of time, the absorption of 3 pairs of oxygen of light material responsive solution is tending towards saturated, to the adsorption capacity decline of oxygen, then need regenerate to the light material responsive, to recover its ability to take oxygen.
Reproduction operation process at the light material responsive, 2/2-way magnetic valve 11, the 2/2-way magnetic valve is in not on-state, and (the 2/2-way magnetic valve of magnetic valve 11 also can change the two-bit triplet magnetic valve into, the two-bit triplet magnetic valve gets, the not conducting of A mouth C mouth of two-bit triplet magnetic valve, the conducting of A mouth B mouth so fall the oxygen space and fall the disconnection of oxygen device, is fallen the oxygen device and is communicated with atmosphere).Meanwhile, two-bit triplet magnetic valve 14 also electric, the not conducting of A mouth C mouth of two-bit triplet magnetic valve, the conducting of A mouth B mouth so fall the oxygen space and fall the oxygen device and disconnect, is fallen the oxygen device and is communicated with atmosphere.Micro air pump 15 gets electric work at this moment, meanwhile, 254nm uviol lamp 4 must not, 300 ~ 370nm uviol lamp 7, this time material responsive solution 3 has the ability that discharges oxygen under the effect of 300 ~ 370nm ultraviolet irradiation, oxygen in the light material responsive is released in the light material responsive container 8, under the effect of micro air pump 15, the oxygen that the light material responsive discharges is discharged in the atmosphere through two-bit triplet magnetic valve 14, exhaust outlet B, after regeneration a period of time, the light material responsive recovers the inhaling of oxygen ability, and then system can change as falling the oxygen stage.
The oxygen concentration adjuster of oxygen concentration adjusting device as shown in Figure 3.Light material responsive container as shown in Figure 3, container mainly is made up of shell of tank 8 and transparent cover 6, and transparent cover 6 be made by seeing through ultraviolet glass material, arrives the light material responsive so that the ultraviolet luminous energy that uviol lamp 4, uviol lamp 7 send sees through inner casing.Bottom at light material responsive container is provided with aerophobic apparatus.Container is designed to vertical garden cylindricality, and uviol lamp 4, uviol lamp 7 are arranged along garden mast axis direction, help the glass inner casing arrival light material responsive that more ultraviolet ray sees through container like this, fall oxygen efficiency thereby improve.
A kind of embodiment (scheme 1) that falls the oxygen fresh-keeping refrigerator of the present invention as shown in Figure 4.23 is the press chamber among the figure, and 24 is refrigerating chamber, and 25 is freezer evaporator, 26 is refrigerating chamber door, and 27 is refrigerating chamber, and 28 is refrigerating-chamber door, 29 is the refrigerating chamber shelf, 30 is the refrigerating chamber water receiving tank, and 31 is refrigerator evaporator, and 32 is the refrigerating chamber gas outlet, 33 is the refrigerating chamber air inlet, 34 is tube connector, and 35 is the 2/2-way magnetic valve, and 36 is tube connector, 37 is the 254nm uviol lamp, 38 is 300-370nm uviol lamp, and 39 is light material responsive solution, and 40 is tube connector, 19 is micro air pump, 20 is the two-bit triplet magnetic valve, and 21 is tube connector, and 22 is light material responsive container.
In the present invention, by tube connector 34,2/2-way magnetic valve 35, tube connector 36,254nm uviol lamp 37,300-370nm uviol lamp 38, light material responsive solution 39, tube connector 40, micro air pump 19, two-bit triplet magnetic valve 20, what tube connector 21, light material responsive container 22 had constituted cold compartment of refrigerator falls the oxygen device, and oxygen is fallen in refrigerating chamber, the oxygen concentration of refrigerating chamber is reduced, and this also is the remarkable difference of refrigerator of the present invention and conventional refrigerator.
The present invention to cold compartment of refrigerator fall the oxygen purpose be achieved in that oxygen process 2/2-way magnetic valve 35 falls and must not, the 2/2-way magnetic valve is in conducting state, meanwhile, two-bit triplet magnetic valve 20 also must not, the A mouth C mouth conducting of two-bit triplet magnetic valve, so under the effect of micro air pump 19, air in the refrigerating chamber is through refrigerating chamber gas outlet 32, tube connector 34,2/2-way magnetic valve 35, tube connector 36, light material responsive container 22, tube connector 40, micro air pump 19, two-bit triplet magnetic valve 20, tube connector 21, refrigerating chamber air inlet 33 is got back to refrigerating chamber, fall the oxygen duty at refrigerator, the air of refrigerating chamber will continuously pass through light material responsive container 22.
The oxygen process is being fallen, 254nm uviol lamp 37,300 ~ 370nm uviol lamp 38 must not, this time material responsive solution 39 has the oxygen adsorption capacity under the effect of 254nm ultraviolet irradiation, so the airborne part oxygen in the light material responsive container 22 is by 39 absorption of light material responsive solution, airborne oxygen concentration in the light material responsive container 22 reduces, and has air than low oxygen concentration under the effect of micro air pump 19, gets back to refrigerating chamber through two-bit triplet magnetic valve 20, tube connector 21.
After falling oxygen condition work a period of time, the absorption of 39 pairs of oxygen of light material responsive solution is tending towards saturated, to the adsorption capacity decline of oxygen, then need regenerate to the light material responsive, to recover its ability to take oxygen.
Reproduction operation process at the light material responsive, 2/2-way magnetic valve 35, the 2/2-way magnetic valve is in not on-state, meanwhile, two-bit triplet magnetic valve 20 also, the not conducting of A mouth C mouth of two-bit triplet magnetic valve, the conducting of A mouth B mouth, so the air in the refrigerating chamber with fall the oxygen device and disconnect.Micro air pump 19 gets electric work at this moment, meanwhile, 254nm uviol lamp 37 must not, 300-370nm uviol lamp 38, this time material responsive solution 39 has the ability that discharges oxygen under the effect of 300-370nm ultraviolet irradiation, oxygen in the light material responsive is released in the light material responsive container 22, under the effect of micro air pump 19, the oxygen that the light material responsive discharges is discharged in the atmosphere through the exhaust outlet B of two-bit triplet magnetic valve 20, after regeneration a period of time, the light material responsive recovers the inhaling of oxygen ability, and then system can change over to and fall the oxygen stage.
Fall oxygen, regeneration with regard to the light material responsive, fall that the oxygen fresh-keeping refrigerator has the oxygen of falling, regeneration and three states of not working.Under suitable control, make the oxygen device that falls of refrigerator fall oxygen, regeneration, not work and circulate between three condition, keeping the low oxygen concentration of cold compartment of refrigerator, and the hold acknowledge material has stronger adsorption capacity to oxygen falling the oxygen process.
The another kind of embodiment (scheme 2) that falls the oxygen fresh-keeping refrigerator of the present invention as shown in Figure 5.
The present invention to cold compartment of refrigerator fall the oxygen purpose be achieved in that oxygen process two-bit triplet magnetic valve 47 falls and must not, the conducting of two-bit triplet magnetic valve A1 mouth C1 mouth, meanwhile, two-bit triplet magnetic valve 20 also must not, the A mouth C mouth conducting of two-bit triplet magnetic valve, so under the effect of micro air pump 19, air in the refrigerating chamber is through refrigerating chamber gas outlet 32, tube connector 34, the A1 mouth C1 mouth of two-bit triplet magnetic valve, tube connector 36, light material responsive container 22, tube connector 40, micro air pump 19, two-bit triplet magnetic valve 20, tube connector 21, refrigerating chamber air inlet 33 is got back to refrigerating chamber, fall the oxygen duty at refrigerator, the air of refrigerating chamber will continuously pass through light material responsive container 22.
The oxygen process is being fallen, 254nm uviol lamp 37,300 ~ 370nm uviol lamp 38 must not, this time material responsive solution 39 has the oxygen adsorption capacity under the effect of 254nm ultraviolet irradiation, so the airborne part oxygen in the light material responsive container 22 is by 39 absorption of light material responsive solution, airborne oxygen concentration in the light material responsive container 22 reduces, and has air than low oxygen concentration under the effect of micro air pump 19, gets back to refrigerating chamber through two-bit triplet magnetic valve 20, tube connector 21.
After falling oxygen condition work a period of time, the absorption of 39 pairs of oxygen of light material responsive solution is tending towards saturated, to the adsorption capacity decline of oxygen, then need regenerate to the light material responsive, to recover its ability to take oxygen.
Reproduction operation process at the light material responsive, two-bit triplet magnetic valve 47, the not conducting of A1 mouth C1 mouth of two-bit triplet magnetic valve 47, the conducting of A1 mouth B1 mouth, meanwhile, two-bit triplet magnetic valve 20 also electric, the not conducting of A mouth C mouth of two-bit triplet magnetic valve, the conducting of A mouth B mouth, then the air in the refrigerating chamber with fall the oxygen device and disconnect.Micro air pump 19 gets electric work at this moment, meanwhile, uviol lamp 37 must not, uviol lamp 38, this time material responsive solution 39 has the ability that discharges oxygen under the radiation of 300-370nm ultraviolet ray 38, oxygen in the light material responsive is released in the light material responsive container 22, under the effect of micro air pump 19, the oxygen that the light material responsive discharges is carried and is discharged in the atmosphere through the exhaust outlet B of two-bit triplet magnetic valve 20 by the B1 mouth inhaled air of two-bit triplet magnetic valve 47, after regeneration a period of time, the light material responsive recovers the inhaling of oxygen ability, and then system can change over to and fall the oxygen stage.
The third embodiment (scheme 3) that falls the oxygen fresh-keeping refrigerator of the present invention as shown in Figure 6.With the difference of conventional refrigerator be, in the compressor room of refrigerator oxygen concentration adjusting device 43 be installed, oxygen concentration adjusting device 43 links to each other with cold compartment of refrigerator with gas injection pipeline 45 by exhaust pipe 44.
Oxygen concentration adjusting device 43 is containing the more air oxygen intake concentration adjusting device of oxygen in the refrigerating chamber, in oxygen concentration adjusting device 43, part oxygen in the circulating air is removed by the oxygen concentration adjusting device, so send cold compartment of refrigerator back to containing the oxygen less air, after work a period of time, the oxygen concentration of air just is lowered to and is fit to the concentration that food fresh keeping requires in the cold compartment of refrigerator.Be provided with two gas ports at cold compartment of refrigerator, bleeding point 46 and gas injection port 48, these two gas ports will have certain distance at a distance of can not be too near, avoiding the gas short circuit, thereby make system at the higher oxygen efficiency decline oxygen that falls.
Claims (7)
1. oxygen concentration adjusting device, it is characterized in that, this device is made of the oxygen concentration adjuster of light answer-mode, the exhaust pipe that is communicated with oxygen concentration adjuster air inlet, the gas injection pipeline that is communicated with oxygen concentration adjuster gas outlet, take out, all be serially connected with magnetic valve on the gas injection pipeline, the magnetic valve of exhaust pipe or gas injection pipeline is to be serially connected with air pump on the interior pipeline, and oxygen concentration adjuster, magnetic valve and air pump are connected with a control circuit; The oxygen concentration adjuster of described smooth answer-mode is made of 254nm uviol lamp and the 300-370nm uviol lamp installed in the liquid light material responsive of splendid attire in container, the container, the container; The aerophobic apparatus that described oxygen concentration adjuster air inlet is buried by liquid light material responsive bottom discharges gas.
2. oxygen concentration adjusting device as claimed in claim 1 is characterized in that, described magnetic valve is a two-position three-way valve.
3. oxygen concentration adjusting device as claimed in claim 1 or 2 is characterized in that, described 254nm uviol lamp and 300-370nm uviol lamp are installed in and are deep into the passing through in the ultraviolet transparent cover of liquid light material responsive inside.
4. the oxygen fresh-keeping refrigerator falls in a light, comprise refrigerating chamber, it is characterized in that, in refrigerating chamber, be provided with bleeding point and gas injection port, bleeding point and gas injection port are communicated with a cover oxygen concentration adjusting device by corresponding exhaust pipe and gas injection pipeline, this apparatus main body is the oxygen concentration adjuster of light answer-mode, exhaust pipe is communicated with oxygen concentration adjuster air inlet, the gas injection pipeline is communicated with oxygen concentration adjuster gas outlet, take out, all be serially connected with magnetic valve on the gas injection pipeline, the magnetic valve of exhaust pipe or gas injection pipeline is to be serially connected with air pump on the interior pipeline, the oxygen concentration adjuster, magnetic valve and air pump are connected with a control circuit; The oxygen concentration adjuster of described smooth answer-mode is made of 254nm uviol lamp and the 300-370nm uviol lamp installed in the liquid light material responsive of splendid attire in container, the container, the container; The aerophobic apparatus that described oxygen concentration adjuster air inlet is buried by liquid light material responsive bottom discharges gas.
5. the oxygen fresh-keeping refrigerator falls in light as claimed in claim 4, it is characterized in that, described oxygen concentration adjusting device is installed in the compressor room.
6. fall the oxygen fresh-keeping refrigerator as claim 4 or 5 described light, it is characterized in that, described magnetic valve is a two-position three-way valve.
7. fall the oxygen fresh-keeping refrigerator as claim 4 or 5 described light, it is characterized in that, described 254nm uviol lamp and 300-370nm uviol lamp are installed in and are deep into the passing through in the ultraviolet transparent cover of liquid light material responsive inside.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100545681A CN101322575B (en) | 2007-06-14 | 2007-06-14 | Oxygen concentration regulating device and photodegraded oxygen fresh-keeping refrigerator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2007100545681A CN101322575B (en) | 2007-06-14 | 2007-06-14 | Oxygen concentration regulating device and photodegraded oxygen fresh-keeping refrigerator |
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| Publication Number | Publication Date |
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| CN101322575A CN101322575A (en) | 2008-12-17 |
| CN101322575B true CN101322575B (en) | 2011-01-12 |
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| CN2007100545681A Active CN101322575B (en) | 2007-06-14 | 2007-06-14 | Oxygen concentration regulating device and photodegraded oxygen fresh-keeping refrigerator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022159772A3 (en) * | 2021-01-21 | 2022-08-25 | Greenlife Tech Corp. | Food preservation method |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6917045B2 (en) * | 2016-12-12 | 2021-08-11 | アクア株式会社 | refrigerator |
| DE102017210786A1 (en) * | 2017-06-27 | 2018-12-27 | BSH Hausgeräte GmbH | Module with PEM electrolysis cell and cooling unit, as well as household refrigeration unit |
| EP4037498A4 (en) * | 2019-09-30 | 2022-11-16 | Greenlifetech Corporation | Food preservation method |
| CN113446797B (en) * | 2020-03-24 | 2022-09-13 | 合肥华凌股份有限公司 | Deoxidization subassembly, storing device and refrigerator |
| CN113446794B (en) * | 2020-03-24 | 2022-09-13 | 合肥华凌股份有限公司 | Deoxidization subassembly, storing device and refrigerator |
| CN113446796B (en) * | 2020-03-24 | 2022-08-26 | 合肥华凌股份有限公司 | Deoxidization subassembly, storing device and refrigerator |
| CN115342570A (en) * | 2022-03-25 | 2022-11-15 | 宁波方太厨具有限公司 | Fresh-keeping refrigerator and fresh-keeping method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN86100546A (en) * | 1986-03-31 | 1987-10-14 | 吉阿明 | Food freshness-keeping box |
| CN2311943Y (en) * | 1997-12-10 | 1999-03-31 | 陕西省苹果气调储藏技术研究中心 | Carbon dioxide washing equipment |
| CN1548826A (en) * | 2003-05-14 | 2004-11-24 | 河南新飞电器有限公司 | Apparatus for removing CO2 and increasing oxygen and air conditioner with the same apparatus |
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- 2007-06-14 CN CN2007100545681A patent/CN101322575B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86100546A (en) * | 1986-03-31 | 1987-10-14 | 吉阿明 | Food freshness-keeping box |
| CN2311943Y (en) * | 1997-12-10 | 1999-03-31 | 陕西省苹果气调储藏技术研究中心 | Carbon dioxide washing equipment |
| CN1548826A (en) * | 2003-05-14 | 2004-11-24 | 河南新飞电器有限公司 | Apparatus for removing CO2 and increasing oxygen and air conditioner with the same apparatus |
Non-Patent Citations (1)
| Title |
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| JP特开2007-61796A 2007.03.15 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022159772A3 (en) * | 2021-01-21 | 2022-08-25 | Greenlife Tech Corp. | Food preservation method |
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| CN101322575A (en) | 2008-12-17 |
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