CN113970211A - A kind of refrigerator - Google Patents
A kind of refrigerator Download PDFInfo
- Publication number
- CN113970211A CN113970211A CN202111186712.3A CN202111186712A CN113970211A CN 113970211 A CN113970211 A CN 113970211A CN 202111186712 A CN202111186712 A CN 202111186712A CN 113970211 A CN113970211 A CN 113970211A
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- China
- Prior art keywords
- water
- refrigerator
- defrosting
- electrode
- tank
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 242
- 229910001868 water Inorganic materials 0.000 claims abstract description 223
- 238000010257 thawing Methods 0.000 claims abstract description 64
- 230000003020 moisturizing effect Effects 0.000 claims abstract description 44
- 238000011049 filling Methods 0.000 claims abstract description 21
- 238000003860 storage Methods 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 13
- 238000004321 preservation Methods 0.000 claims abstract description 9
- 239000003054 catalyst Substances 0.000 claims description 19
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 16
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 11
- 229910052719 titanium Inorganic materials 0.000 claims description 11
- 239000010936 titanium Substances 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 239000002253 acid Substances 0.000 claims description 6
- 238000005530 etching Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 4
- 239000002904 solvent Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 2
- 235000012055 fruits and vegetables Nutrition 0.000 abstract description 13
- 235000013305 food Nutrition 0.000 abstract description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 12
- 238000001514 detection method Methods 0.000 description 9
- 239000000243 solution Substances 0.000 description 9
- 230000001954 sterilising effect Effects 0.000 description 8
- 230000006872 improvement Effects 0.000 description 7
- 238000004659 sterilization and disinfection Methods 0.000 description 7
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 5
- OUUQCZGPVNCOIJ-UHFFFAOYSA-M Superoxide Chemical compound [O-][O] OUUQCZGPVNCOIJ-UHFFFAOYSA-M 0.000 description 5
- 239000013543 active substance Substances 0.000 description 5
- 238000006555 catalytic reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 230000003197 catalytic effect Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000008236 heating water Substances 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 239000000447 pesticide residue Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- HSJPMRKMPBAUAU-UHFFFAOYSA-N cerium(3+);trinitrate Chemical compound [Ce+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O HSJPMRKMPBAUAU-UHFFFAOYSA-N 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- -1 hydrogen ions Chemical class 0.000 description 2
- 238000001027 hydrothermal synthesis Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 229920001223 polyethylene glycol Polymers 0.000 description 2
- 229940057847 polyethylene glycol 600 Drugs 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000006722 reduction reaction Methods 0.000 description 2
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000004506 ultrasonic cleaning Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- VXAUWWUXCIMFIM-UHFFFAOYSA-M aluminum;oxygen(2-);hydroxide Chemical compound [OH-].[O-2].[Al+3] VXAUWWUXCIMFIM-UHFFFAOYSA-M 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000007809 chemical reaction catalyst Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000003411 electrode reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 235000021384 green leafy vegetables Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- TUJKJAMUKRIRHC-UHFFFAOYSA-N hydroxyl Chemical compound [OH] TUJKJAMUKRIRHC-UHFFFAOYSA-N 0.000 description 1
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 description 1
- 238000007603 infrared drying Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000027756 respiratory electron transport chain Effects 0.000 description 1
- 229910001961 silver nitrate Inorganic materials 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L5/00—Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials therefor
- A23L5/20—Removal of unwanted matter, e.g. deodorisation or detoxification
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/14—Collecting or removing condensed and defrost water; Drip trays
-
- 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
-
- 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
- F25D29/005—Mounting of control devices
Abstract
The invention discloses a refrigerator, comprising: the refrigerator body is used as a supporting structure of the refrigerator, and at least one moisture preservation chamber is arranged in the refrigerator body; the evaporator assembly comprises an evaporator body, a defrosting water storage tank and a water guide pipe, wherein the defrosting water storage tank is used for storing defrosting water generated by the evaporator body when defrosting operation is executed, and the water guide pipe is communicated with the defrosting water storage tank; the moisturizing device is arranged on the outer side of the moisturizing chamber and comprises a water tank cover, a humidifying water tank and an electrode; the humidifying water tank is characterized in that a water filling port and a water vapor outlet are formed in the water tank cover, the water filling port is communicated with the water guide pipe, the water vapor outlet is used for placing the electrode, the water vapor outlet is also communicated with a steam inlet of the moisturizing chamber, and the humidifying water tank is used for storing defrosting water flowing in through the water filling port. By adopting the embodiment of the invention, the humidity of the refrigerator can be effectively improved, and the high moisture-preserving requirement of fruit and vegetable food materials can be met.
Description
Technical Field
The invention relates to the technical field of refrigerators, in particular to a refrigerator.
Background
The preservation of fruits and vegetables requires a relatively high humidity environment, particularly leaf vegetables, which has a high requirement on the humidity environment of a refrigerator when stored in the refrigerator. The existing moisture preservation mode of the refrigerator is a waterless moisture preservation mode, and mainly utilizes a moisture permeable film which is a film material only permeable to water vapor and impermeable to other gases, and the moisture permeable film can be maintained at the humidity of 90% RH, so that a drawer of the refrigerator only exchanges moisture with the outside, does not exchange moisture with the outside gas, and is not influenced by changes of outside environment air flow and the like. However, in the anhydrous moisturizing mode, because no additional water source exists, the fruit and vegetable chamber cannot be actively humidified, the original humidity of the fruit and vegetable chamber can only be maintained at the initial highest humidity level, the reduction of the humidity of the chamber is slowed down, the original humidity level in the chamber cannot be obviously improved, for fruit and vegetable food materials with high humidity requirements, the moisturizing requirements cannot be met, and the food materials are easy to deteriorate.
Disclosure of Invention
The embodiment of the invention aims to provide a refrigerator, which can effectively improve the humidity of the refrigerator and meet the high moisture-preserving requirement of fruit and vegetable food materials.
To achieve the above object, an embodiment of the present invention provides a refrigerator, including:
the refrigerator body is used as a supporting structure of the refrigerator, and at least one moisture preservation chamber is arranged in the refrigerator body;
the evaporator assembly comprises an evaporator body, a defrosting water storage tank and a water guide pipe, wherein the defrosting water storage tank is used for storing defrosting water generated by the evaporator body when defrosting operation is executed, and the water guide pipe is communicated with the defrosting water storage tank;
the moisturizing device is arranged on the outer side of the moisturizing chamber and comprises a water tank cover, a humidifying water tank and an electrode; the humidifying water tank is characterized in that a water filling port and a water vapor outlet are formed in the water tank cover, the water filling port is communicated with the water guide pipe, the water vapor outlet is used for placing the electrode, the water vapor outlet is also communicated with a steam inlet of the moisturizing chamber, and the humidifying water tank is used for storing defrosting water flowing in through the water filling port.
As an improvement of the scheme, the water tank cover is provided with two water vapor outlets, each water vapor outlet is internally provided with an electrode, and the two electrodes are opposite in polarity.
As an improvement of the above scheme, the height of a water inlet connected with the defrosting water storage tank by the water conduit is higher than that of a water outlet connected with the humidifying water tank; a throttle valve is arranged in the water guide pipe and connected with a controller in the refrigerator, and the controller is used for adjusting the opening of the throttle valve.
As an improvement of the scheme, the water tank cover is also provided with a water filling port, and the water filling port is provided with a detachable sealing cover.
As an improvement of the scheme, a water level detection device is arranged on the moisturizing device and is used for detecting the real-time water level of the moisturizing device.
As an improvement of the above scheme, the water level detection device is connected with a controller in the refrigerator, and the controller sends out prompt information when the water level detection device detects that the real-time water level of the humidification water tank is lower than a target water level.
As an improvement to the above, the electrode is made of Ag-Ce/AlPO4 catalyst material.
As an improvement of the above scheme, the preparation method of the electrode comprises the following steps:
placing the titanium sheet in an HCl solution at a first temperature value for acid etching treatment, and standing for a first time period;
and placing the titanium sheet subjected to the acid etching treatment, the Ag-Ce/AlPO4 catalyst solution and the solvent in a drying box at a second temperature value for reaction treatment, and standing for a second time period to obtain the electrode.
Compared with the prior art, the refrigerator disclosed by the embodiment of the invention has the following beneficial effects:
the moisture preservation device is arranged on the outer side of the moisture preservation chamber and is used for humidifying through the principle of electric heating water, so that the humidity in the moisture preservation chamber can be increased. In addition, the water in the moisturizing device comes from the defrosting water generated in defrosting of the evaporator, the defrosting water generated by the evaporator body is stored by the defrosting water storage tank, and the defrosting water is guided into the humidifying water tank through the water guide pipe so as to be in contact with the electrodes, the defrosting water of the evaporator can be reasonably utilized, so that the refrigerator does not need an additional external water source and does not need to be provided with an additional drainage device to discharge the defrosting water.
The electrode used for humidification is made of a catalyst material with a sterilization and catalysis function, the catalytic electrode can also activate oxygen and water into water rich in active substances such as hydroxyl free radicals and superoxide free radicals with strong oxidation capacity, and the water is sprayed on the surfaces of fruits and vegetables through humidification. The electrode has two functions of a humidifying electrode and a catalyzing electrode, and compared with the traditional moisturizing mode and the catalyzing effect of a catalyzing catalyst, the humidifying efficiency and the electrocatalysis efficiency are higher.
Drawings
Fig. 1 is a schematic view of a partial structure of a refrigerator according to an embodiment of the present invention;
fig. 2 is a schematic structural view of an evaporator assembly in a refrigerator according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a humidity maintaining device in a refrigerator according to an embodiment of the present invention.
10, a box body; 20. an evaporator assembly; 30. a moisturizing device; 21. an evaporator body; 22. a defrosting water storage tank; 23. a water conduit; 24. a filtration device; 31. a water tank cover; 32. a humidifying water tank; 33 an electrode; 34. a water level detection device; 311. a water filling port; 312. and a water vapor outlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic view of a partial structure of a refrigerator according to an embodiment of the present invention, where the refrigerator includes: a case 10, an evaporator assembly 20, and a moisturizing device 30.
The refrigerator body 10 serves as a support structure of the refrigerator, and at least one moisture-preserving chamber is arranged inside the refrigerator body.
Referring to fig. 2, the evaporator assembly 20 includes an evaporator body 21, a defrosting water storage tank 22, and a water guide pipe 23, the defrosting water storage tank 22 is used to store defrosting water generated when the evaporator body 21 performs a defrosting operation, and the water guide pipe 23 is communicated with the defrosting water storage tank 22.
Referring to fig. 3, the moisturizing device 30 is disposed outside the moisturizing chamber, and includes a water tank cover 31, a moisturizing water tank 32, and an electrode 33; the water tank cover 31 is provided with a water filling port 311 and a water vapor outlet 312, the water filling port 311 is communicated with the water guide pipe 23, the water vapor outlet 312 is used for placing the electrode 33, the water vapor outlet 312 is also communicated with a steam inlet of the moisturizing chamber, and the humidifying water tank 32 is used for storing defrosting water flowing in through the water filling port 311.
In an exemplary embodiment of the invention, an electrode type humidification mode is adopted, and in the electrode type humidification process, water is used as a part of a circuit loop, so that no current exists when no water exists, and the defect that electric heating type water-free dry heating is unsafe is overcome. And when no water exists, the electrode can charge the action of the sterilization catalyst, can catalyze 02 and H20 in the air to generate active substances such as hydroxyl free radicals and superoxide free radicals, and the active substances enter the fruit and vegetable chamber along with the air flow, so that the sterilization, purification and pesticide residue removal in the chamber can be continued.
The humidity in the moisturizing chamber can be increased by providing the moisturizing device 30 outside the moisturizing chamber and humidifying the moisturizing device 30 by the principle of electrically heating water. The water in the moisturizing device 30 is derived from the defrosting water generated during defrosting of the evaporator, the defrosting water generated in the evaporator body 21 is stored by the defrosting water storage tank 22, and the defrosting water is introduced into the humidifying water tank 32 through the water conduit 23, thereby contacting the electrode 33, when trace minerals are dissolved in the defrosting water, the defrosting water becomes a conductive liquid, when one end of the electrode 33 is inserted into the defrosted water, the other end of the electrode 33 is connected with an alternating current power supply, because the defrosting water is conductive, the defrosting water can be like a common resistor, so that the current can pass through the defrosting water between the electrodes 33, the electric energy transmitted to the defrosting water is completely converted into heat energy, the defrosting water is heated to generate steam, therefore, air in the moisturizing chamber is humidified, defrosting water of the evaporator can be reasonably utilized, and the refrigerator does not need an additional external water source and can discharge the defrosting water without installing an additional drainage device.
In the embodiment of the present invention, when the moisture retention device 30 is powered on, compared to the conventional chemical catalysis, electron transfer between water or oxygen and the catalyst is performed in a limited area, electrons cannot be introduced from an external circuit or derived from the reaction system during the reaction, and pure electrons transfer during the electrocatalysis, and the electrode 33 is a reaction catalyst, a reaction site, and an electron supply site, so that the electrode reaction rate or reaction direction can be increased without substantial change. Therefore, compared with conventional chemical catalysis, the catalytic efficiency and the humidifying effect of the moisturizing device 30 are greatly improved after the moisturizing device is powered on.
Optionally, two water vapor outlets are arranged on the water tank cover 31, one electrode 33 is placed in each water vapor outlet, and the polarities of the two electrodes 33 are opposite.
Illustratively, the steam outlet 312 is right opposite to the air opening for providing cold energy to the moisturizing chamber, and the steam generated by the electrode 33 is cooled, so that temperature fluctuation of fruits and vegetables in the moisturizing chamber is avoided, and meanwhile, the steam is blown into each corner of the moisturizing chamber along with wind, so that the humidity distribution of humidification is more uniform, and local humidification is avoided.
Optionally, the water inlet of the water conduit 23 connected with the defrosting water storage tank 22 is higher than the water outlet connected with the humidifying water tank 32; a throttle valve is arranged in the water guide pipe 23, the throttle valve is connected with a controller in the refrigerator, and the controller is used for adjusting the opening of the throttle valve.
Illustratively, the difference in height between the water outlet and the water inlet of the water conduit 23 is utilized to enable the defrosting water stored in the defrosting water storage tank 22 to flow into the humidifying water tank 32 by virtue of the difference in height. Alternatively, a water pump connected to a controller is provided at the water outlet of the water conduit 23, and when the defrosting water cannot flow into the humidifying water tank 32 due to a height difference, the controller may control the water pump to flow the defrosting water into the humidifying water tank 32. The opening degree of the throttle valve can be adjusted through the controller, when the humidifying requirement of the refrigerator is low, the opening degree of the throttle valve can be adjusted to be small, and when the humidifying requirement of the refrigerator is high, the opening degree of the throttle valve can be adjusted to be large.
In the embodiment of the invention, the defrosting water storage tank 22 is arranged below the evaporator body 21, the water guide pipe 23 is connected with the humidifying water tank 32, and the defrosting water after adsorbing and filtering impurities is used for electrolytic humidification, so that the recycling of the defrosting water is realized.
Optionally, a filtering device 24 is arranged in the water conduit 23, the filtering device 24 is arranged at the water inlet of the water conduit 23, and the filtering device 24 may be activated carbon filter cotton, which can adsorb the odor in the air of the refrigerating chamber and adsorb and filter the impurities in the defrosting water.
Optionally, the water tank cover 31 is further provided with a water filling port (not shown in the figure), and the water filling port is provided with a detachable sealing cover. For example, when the defrosting water cannot satisfy the high moisturizing requirement of the moisturizing chamber, the user needs to manually add water into the moisturizing water tank 32, and then the user may open the sealing cap, manually fill water from the water filling port, and close the sealing cap after the water filling is completed.
Optionally, a water level detection device 34 is disposed on the moisturizing device 30, and the water level detection device 34 is configured to detect a real-time water level of the moisturizing device 30. The water level detection device 34 is connected to a controller in the refrigerator, and the controller sends a prompt message when the water level detection device 34 detects that the real-time water level of the humidification water tank 32 is lower than a target water level.
Illustratively, when a user triggers a humidification instruction, the humidification instruction carries humidification degree information, the controller acquires the current water level detected by the water level detection device 34, judges whether the real-time water level of the humidification water tank 32 is lower than a target water level at the moment, and if the humidification requirement is higher and water is injected through the water guide pipe 23, the water cannot reach the target water level, the controller sends an alarm prompt to prompt the user that manual water adding is needed.
Optionally, the electrode is made of an Ag-Ce/AlPO4 catalyst material.
Illustratively, by adopting the water sterilization technology of the Ag-Ce/AlPO4 catalyst, the Ag-Ce/AlPO4 catalyst can generate oxidation reaction between H2O and OH-on the surface of an activation material without additional energy to form hydroxyl radical (. OH) with strong oxidation capacity; meanwhile, oxygen on the surface of the material can be activated to perform reduction reaction, and superoxide radical (. O2-) with strong oxidizing capability is generated. The active substances such as hydroxyl free radicals and superoxide free radicals can degrade various pollutants and peculiar smell molecules into small molecular substances under the mutual synergistic action. Therefore, Ag-Ce/AlPO4 is used as the electrode material for electrode humidification. In addition, the electrode 33 has the function of electrolyzing water, and can electrolyze the water to generate hydrogen ions H + and hydroxyl OH-by taking the water as a medium, and the hydroxyl is combined with chlorine ions CL-in the water to form hypochlorous acid HCLO, thereby achieving the effect of degrading pesticide residues.
The electrode 33 in the embodiment of the invention is made of Ag-Ce/AlPO4 catalyst material with sterilization and odor purification functions, and the cathode and the anode are both Ag-Ce/AlPO4 catalysts. The electrode 33 is inserted into the condensed and collected water, the water used in the compartment is changed into steam under the catalysis of the Ag-Ce/AlPO4 catalytic electrode, the water rich in hydroxyl free radicals and superoxide free radicals enters the fruit and vegetable compartment for humidification, and the functions of dehumidification, sterilization and deodorization are integrated.
Optionally, the preparation method of the electrode comprises:
placing the titanium sheet in an HCl solution at a first temperature value for acid etching treatment, and standing for a first time period;
and placing the titanium sheet subjected to the acid etching treatment, the Ag-Ce/AlPO4 catalyst solution and the solvent in a drying box at a second temperature value for reaction treatment, and standing for a second time period to obtain the electrode.
Illustratively, the first temperature value is 85 ℃, the second temperature value is 180 ℃, the first time period is 10min, the second time period is 10h, and the solvent is polyethylene glycol 600(PEG) or Ethylene Glycol (EG). Washing a titanium sheet with the thickness of 5cm multiplied by 10cm multiplied by 1.0mm by using water for three times, then putting 18 percent (V/V percent) HCl solution into the titanium sheet to be acid-etched for 10min at the temperature of 85 ℃ to remove an oxide layer on the surface of the titanium sheet, then washing hydrochloric acid on the surface of the titanium sheet completely, carrying out ultrasonic cleaning for 15min in water for three times, putting the titanium sheet into a beaker filled with water for three times for standby, then carrying out ultrasonic cleaning for 10min before use, adding 10mL of Ag-Ce/AlPO4 catalyst solution, 0.5mL of polyethylene glycol 600(PEG) or 0.5mL of Ethylene Glycol (EG) into a hydrothermal reaction kettle with the volume of 15mL, then carrying out reaction for 10h at the temperature of 180 ℃ in an infrared drying box, after the reaction is finished, cooling to the room temperature, taking out a sample, and drying for 0.5h at the temperature of 70 ℃ to obtain the electrode. When the device is installed, the positive electrode and the negative electrode need to be respectively connected with wires, the external constant voltage is 12v, and the current does not exceed 20 mA.
Further, preparing an Ag-Ce/AlPO4 catalyst solution by a hydrothermal method, weighing a proper amount of pseudo-boehmite, slowly adding into a 1mol/L phosphoric acid aqueous solution while rapidly stirring, and continuously stirring for 1h to ensure that the reaction is complete. According to the molar ratio of Ag to Ce of 1: 1, weighing a proper amount of silver nitrate and cerium nitrate, and dissolving in water to obtain the Ag-Ce/AlPO4 catalyst solution.
Compared with the prior art, the refrigerator disclosed by the embodiment of the invention has the advantages that the moisturizing device 30 is arranged on the outer side of the moisturizing chamber, and the moisturizing device 30 moisturizes through the principle of electrically heating water, so that the humidity in the moisturizing chamber can be increased. In addition, the water in the moisture retention device 30 is from the defrosting water generated during defrosting of the evaporator, the defrosting water generated by the evaporator body 21 is stored by arranging the defrosting water storage tank 22, and the defrosting water is guided into the humidifying water tank 32 through the water guide pipe 23 so as to be in contact with the electrode 33, the defrosting water of the evaporator can be reasonably utilized, so that the refrigerator does not need an additional external water source and an additional drainage device for discharging the defrosting water.
Furthermore, the electrode for humidification in the refrigerator provided by the embodiment of the invention is made of a catalyst material with a sterilization and catalysis function, and the catalytic electrode can also activate oxygen and water into water rich in active substances with strong oxidation capacity, such as hydroxyl radicals, superoxide radicals and the like, and the water is sprayed on the surfaces of fruits and vegetables through humidification, so that the effects of humidifying the fruits and vegetables, sterilizing and purifying the fruits and vegetables and removing pesticide residues on the surfaces are achieved. The electrode has two functions of a humidifying electrode and a catalyzing electrode, and compared with the traditional moisturizing mode and the catalyzing effect of a catalyzing catalyst, the humidifying efficiency and the electrocatalysis efficiency are higher.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (9)
1. A refrigerator, characterized by comprising:
the refrigerator body is used as a supporting structure of the refrigerator, and at least one moisture preservation chamber is arranged in the refrigerator body;
the evaporator assembly comprises an evaporator body, a defrosting water storage tank and a water guide pipe, wherein the defrosting water storage tank is used for storing defrosting water generated by the evaporator body when defrosting operation is executed, and the water guide pipe is communicated with the defrosting water storage tank;
the moisturizing device is arranged on the outer side of the moisturizing chamber and comprises a water tank cover, a humidifying water tank and an electrode; the humidifying water tank is characterized in that a water filling port and a water vapor outlet are formed in the water tank cover, the water filling port is communicated with the water guide pipe, the water vapor outlet is used for placing the electrode, the water vapor outlet is also communicated with a steam inlet of the moisturizing chamber, and the humidifying water tank is used for storing defrosting water flowing in through the water filling port.
2. The refrigerator as claimed in claim 1, wherein the water bath cover is provided with two water vapor outlets, and each of the water vapor outlets is provided with an electrode, and the two electrodes have opposite polarities.
3. The refrigerator of claim 1, wherein the water guide pipe is connected to the defrost water storage tank at a water inlet higher than a water outlet connected to the humidification water tank; a throttle valve is arranged in the water guide pipe and connected with a controller in the refrigerator, and the controller is used for adjusting the opening of the throttle valve.
4. The refrigerator as claimed in claim 1, wherein a filtering means is provided in the water guide duct.
5. The refrigerator as claimed in claim 1, wherein the water tank cover is further provided with a filling port, and the filling port is provided with a detachable sealing cover.
6. The refrigerator as claimed in claim 1, wherein a water level detecting means is provided on the moisturizing device, the water level detecting means being for detecting a real-time water level of the moisturizing device.
7. The refrigerator as claimed in claim 6, wherein the water level detecting means is connected to a controller in the refrigerator, and the controller gives a prompt message when the water level detecting means detects that the real-time water level of the humidification water tank is lower than a target water level.
8. The refrigerator of claim 1 wherein the electrodes are made of Ag-Ce/AlPO4 catalyst material.
9. The refrigerator of claim 8, wherein the electrode is prepared by a method comprising:
placing the titanium sheet in an HCl solution at a first temperature value for acid etching treatment, and standing for a first time period;
and placing the titanium sheet subjected to the acid etching treatment, the Ag-Ce/AlPO4 catalyst solution and the solvent in a drying box at a second temperature value for reaction treatment, and standing for a second time period to obtain the electrode.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111186712.3A CN113970211A (en) | 2021-10-12 | 2021-10-12 | A kind of refrigerator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111186712.3A CN113970211A (en) | 2021-10-12 | 2021-10-12 | A kind of refrigerator |
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| CN113970211A true CN113970211A (en) | 2022-01-25 |
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| CN202111186712.3A Pending CN113970211A (en) | 2021-10-12 | 2021-10-12 | A kind of refrigerator |
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