CN113915911A - Refrigerator and refrigerator humidifying method - Google Patents

Refrigerator and refrigerator humidifying method Download PDF

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Publication number
CN113915911A
CN113915911A CN202111188069.8A CN202111188069A CN113915911A CN 113915911 A CN113915911 A CN 113915911A CN 202111188069 A CN202111188069 A CN 202111188069A CN 113915911 A CN113915911 A CN 113915911A
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CN
China
Prior art keywords
humidity
water
refrigerator
humidifying
chamber
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Granted
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CN202111188069.8A
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Chinese (zh)
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CN113915911B (en
Inventor
鞠晓晨
王磊
罗晨
王海燕
鲍雨锋
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Hisense Shandong Refrigerator Co Ltd
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Hisense Shandong Refrigerator Co Ltd
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Priority to CN202111188069.8A priority Critical patent/CN113915911B/en
Publication of CN113915911A publication Critical patent/CN113915911A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/042—Air treating means within refrigerated spaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00—Arrangement or mounting of control or safety devices
    • F25D29/005—Mounting of control devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/04—Treating air flowing to refrigeration compartments
    • F25D2317/041—Treating air flowing to refrigeration compartments by purification
    • F25D2317/0413—Treating air flowing to refrigeration compartments by purification by humidification
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/04—Treating air flowing to refrigeration compartments
    • F25D2317/041—Treating air flowing to refrigeration compartments by purification
    • F25D2317/0413—Treating air flowing to refrigeration compartments by purification by humidification
    • F25D2317/04131—Control means therefor
    • 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
    • F25D2500/00—Problems to be solved
    • F25D2500/06—Stock management
    • 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
    • F25D2600/00—Control issues
    • F25D2600/06—Controlling according to a predetermined profile

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)

Abstract

The invention discloses a refrigerator, comprising: 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 arranged on the water tank cover, the water filling port is used for water injection, the water vapor outlet is used for placing the electrode, the water vapor outlet is also communicated with a steam inlet of the humidifying chamber, and the humidifying water tank is used for storing water flowing in through the water filling port; the controller is configured to: responding to the real-time humidity adjusting operation of the refrigerator, and acquiring the food information stored in the moisturizing chamber; acquiring corresponding target humidity according to the food information; acquiring the current humidity of the moisturizing chamber; and comparing the current humidity with the target humidity, and adjusting the voltage input value input into the electrode according to the comparison result. The invention also discloses a refrigerator humidifying method. 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

Refrigerator and refrigerator humidifying method
Technical Field
The invention relates to the technical field of refrigerators, in particular to a refrigerator and a refrigerator humidifying method.
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 humidifying method, which can effectively improve the humidity of a refrigerator, meet the high humidity keeping requirement of fruit and vegetable food materials and improve the humidity control precision.
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 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 arranged on the water tank cover, the water filling port is used for water injection, the water vapor outlet is used for placing the electrode, the water vapor outlet is also communicated with a steam inlet of the humidifying chamber, and the humidifying water tank is used for storing water flowing in through the water filling port;
the controller is configured to:
responding to the real-time humidity adjusting operation of the refrigerator, and acquiring the food information stored in the moisturizing chamber;
acquiring corresponding target humidity according to the food information;
acquiring the current humidity of the moisturizing chamber;
and comparing the current humidity with the target humidity, and adjusting the voltage input value input into the electrode according to the comparison result.
As an improvement of the above, the controller is further configured to:
responding to the humidity fixing and adjusting operation of the refrigerator, and acquiring the current humidity of the moisturizing chamber;
comparing the current humidity with a preset humidity level to determine a target humidity level of the current humidity; wherein each humidity level has a corresponding voltage input value;
and adjusting the voltage input value input into the electrode according to the target humidity level.
As an improvement of the above solution, the acquiring the corresponding target humidity according to the food information includes:
when only one type of food stored in the moisture-preserving chamber is detected, acquiring the humidity corresponding to the current food material as the target humidity;
when it is detected that the food stored in the moisture-keeping chamber comprises at least two types, acquiring the humidity corresponding to the at least two types of food materials, and taking the average value of the humidity corresponding to the at least two types of food materials as the target humidity.
As an improvement of the above, the adjusting the voltage input value to the electrode according to the comparison result includes:
when the current humidity is greater than the target humidity, reducing the voltage input value;
when the current humidity is equal to the target humidity, keeping the voltage input value unchanged;
and when the current humidity is smaller than the target humidity, increasing the voltage input value.
As an improvement of the above, the refrigerator further includes:
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 during defrosting operation, one section of the water guide pipe is communicated with the defrosting water storage tank, and the other end of the water guide pipe is communicated with the water filling port.
In order to achieve the above object, an embodiment of the present invention further provides a refrigerator humidifying method, which is applicable to a refrigerator, wherein the refrigerator includes a moisturizing device, the moisturizing device is disposed outside the moisturizing chamber, and includes 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 arranged on the water tank cover, the water filling port is used for water injection, the water vapor outlet is used for placing the electrode, the water vapor outlet is also communicated with a steam inlet of the humidifying chamber, and the humidifying water tank is used for storing water flowing in through the water filling port; the refrigerator humidifying method comprises the following steps:
responding to the real-time humidity adjusting operation of the refrigerator, and acquiring the food information stored in the moisturizing chamber;
acquiring corresponding target humidity according to the food information;
acquiring the current humidity of the moisturizing chamber;
and comparing the current humidity with the target humidity, and adjusting the voltage input value input into the electrode according to the comparison result.
As an improvement of the above, the method further comprises:
responding to the humidity fixing and adjusting operation of the refrigerator, and acquiring the current humidity of the moisturizing chamber;
comparing the current humidity with a preset humidity level to determine a target humidity level of the current humidity; wherein each humidity level has a corresponding voltage input value;
and adjusting the voltage input value input into the electrode according to the target humidity level.
As an improvement of the above solution, the acquiring the corresponding target humidity according to the food information includes:
when only one type of food stored in the moisture-preserving chamber is detected, acquiring the humidity corresponding to the current food material as the target humidity;
when it is detected that the food stored in the moisture-keeping chamber comprises at least two types, acquiring the humidity corresponding to the at least two types of food materials, and taking the average value of the humidity corresponding to the at least two types of food materials as the target humidity.
As an improvement of the above, the adjusting the voltage input value to the electrode according to the comparison result includes:
when the current humidity is greater than the target humidity, reducing the voltage input value;
when the current humidity is equal to the target humidity, keeping the voltage input value unchanged;
and when the current humidity is smaller than the target humidity, increasing the voltage input value.
As an improvement of the above, the refrigerator further includes:
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 during defrosting operation, one section of the water guide pipe is communicated with the defrosting water storage tank, and the other end of the water guide pipe is communicated with the water filling port.
Compared with the prior art, the refrigerator and the refrigerator humidifying method disclosed by the embodiment of the invention have the advantages that the moisturizing device is arranged on the outer side of the moisturizing chamber, and the moisturizing device humidifies by using the principle of electrically heating water, so that the humidity in the moisturizing chamber can be increased. In addition, the current humidity of the moisturizing chamber is compared with the target humidity, so that the voltage input value of the electrode is adjusted according to the comparison result, the higher the voltage input value of the electrode is, the higher the heating degree of water in the humidifying water tank is, the faster the water in the humidifying water tank is evaporated, and the humidity of the moisturizing chamber is improved.
Drawings
Fig. 1 is a schematic structural diagram of a refrigerator according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a moisturizing device provided by an embodiment of the invention;
fig. 3 is a schematic view illustrating an installation of the moisturizing device in the refrigerator according to the embodiment of the present invention;
fig. 4 is a flowchart of a humidifying method for a refrigerator according to an embodiment of the present invention.
10, a box body; 20. a moisturizing device; 30. a controller; 40. an evaporator assembly; 21. a water tank cover; 22. a humidifying water tank; 23 electrodes; 24. a water level detection device; 211. a water filling port; 212. a water vapor outlet; 41. an evaporator body; 42. a defrosting water storage tank; 43. a water conduit; 44. and (4) a filtering device.
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 structural diagram of a refrigerator according to an embodiment of the present invention, where the refrigerator includes: a case 10, a moisturizing device 20, and a controller 30.
The controller 30 is configured to:
responding to the real-time humidity adjusting operation of the refrigerator, and acquiring the food information stored in the moisturizing chamber;
acquiring corresponding target humidity according to the food information;
acquiring the current humidity of the moisturizing chamber;
and comparing the current humidity with the target humidity, and adjusting the voltage input value input into the electrode according to the comparison result.
Illustratively, the moisturizing device 20 in the embodiment of the present invention adopts an electrode humidification mode, and water is used as a part of a circuit loop in the electrode humidification process, so that no current is available when no water is available, and the disadvantage that electric heating type water-free dry heating is not safe 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.
Specifically, by providing the moisturizing device 20 outside the moisturizing chamber, and the moisturizing device 20 performs humidification by the principle of electrically heating water, the humidity in the moisturizing chamber can be increased. In the embodiment of the invention, the refrigerator has two humidity adjusting modes, one is a real-time humidity adjusting mode, and the voltage input value of the electrode is adjusted in real time by automatically detecting the humidity required by food materials stored in the moisturizing chamber; the other is a humidity fixed regulation mode, wherein the humidity keeping chamber is provided with a fixed humidity value, and the voltage input value input into the electrode is adjusted according to the fixed humidity value. It will be appreciated that the two modes of moisturizing can be set at the discretion of the user.
In a first embodiment, when the refrigerator operates in a humidity real-time adjustment mode, first, food information stored in the moisture-preserving chamber is acquired, and at this time, when only one type of food stored in the moisture-preserving chamber is detected, the humidity corresponding to the current food material is acquired as the target humidity; when the fact that the food stored in the moisture-preserving chamber comprises at least two types is detected, acquiring the humidity corresponding to the at least two types of food materials, and taking the average value of the humidity corresponding to the at least two types of food materials as the target humidity; then, acquiring the current humidity of the moisturizing chamber; and finally, comparing the current humidity with the target humidity, and adjusting the voltage input value input into the electrode according to the comparison result. When the current humidity is larger than the target humidity, reducing the voltage input value until the current humidity meets the target humidity; when the current humidity is equal to the target humidity, keeping the voltage input value unchanged; and when the current humidity is smaller than the target humidity, increasing the voltage input value until the current humidity meets the target humidity.
In a second embodiment, when the refrigerator operates in a humidity fixed adjustment mode, first, the current humidity of the humidity-keeping chamber is acquired; then, comparing the current humidity with a preset humidity level to determine a target humidity level of the current humidity; wherein each humidity level has a corresponding voltage input value; and finally, adjusting the voltage input value input into the electrode according to the target humidity level.
Illustratively, the humidity levels include 3, respectively: [ 0% RH, 60% RH ], [ 60% RH, 80% RH ], (80% RH, 100% RH ]. When the current humidity is [ 0% RH, 60% RH), the strongest humidification rate is needed, and the voltage input value applied by the two sections of the electrodes is 12 v; when the humidity of the compartment is [ 60% RH, 80% RH ], the voltage input value applied by the two sections of the electrode is 9 v; when the humidity of the compartment is (80% RH, 100% RH), the humidity of the compartment only needs to be kept, so that the voltage input value applied by the two sections of the electrodes is 6v, and the humidity of the fruit and vegetable compartment is always kept at a higher level by adjusting the efficiency of the humidifying electrode through voltage.
Further, referring to fig. 2, the moisturizing device 20 is disposed outside the moisturizing chamber and includes a water tank cover 21, a moisturizing water tank 22, and an electrode 23; the water tank cover 21 is provided with a water filling port 211 and a water vapor outlet 212, the water filling port 211 is used for filling water, the water vapor outlet 212 is used for placing the electrode 23, the water vapor outlet 212 is further communicated with a water vapor inlet of the moisturizing chamber, and the humidifying water tank 22 is used for storing water flowing in through the water filling port 211.
In the embodiment of the present invention, when the moisture retention device 20 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 23 is a reaction catalyst, a reaction site, and an electron supply site, so that the reaction rate or the reaction direction of the electrode can be increased without substantial change. Therefore, after the moisturizing device 20 is powered on, compared with conventional chemical catalysis, the catalytic efficiency is greatly improved, and the humidifying effect is also greatly improved.
Optionally, the water tank cover 21 is provided with two water vapor outlets, each water vapor outlet is provided with an electrode 23, and the polarities of the two electrodes 23 are opposite.
Illustratively, the steam outlet 212 is opposite to the air port for providing cold energy to the moisturizing chamber, steam generated by the electrode 23 is cooled, temperature fluctuation of fruits and vegetables in the moisturizing chamber is avoided, meanwhile, the steam is blown into each corner of the moisturizing chamber along with wind, the humidity distribution of humidification is more uniform, and local humidification is avoided.
Further, referring to fig. 3, the refrigerator further includes:
the evaporator assembly 40 includes an evaporator body 41, a defrosting water storage tank 42, and a water guide pipe 43, the defrosting water storage tank 42 is used for storing defrosting water generated by the evaporator body 41 when defrosting operation is performed, one section of the water guide pipe 43 is communicated with the defrosting water storage tank 42, and the other end of the water guide pipe 43 is communicated with the water filling port 211.
In the embodiment of the present invention, the water in the moisturizing device 20 is derived from defrosting water generated when the evaporator defrosts, the defrosting water generated from the evaporator body 41 is stored by providing the defrosting water storage tank 42, and is introduced into the humidification water tank 22 through the water introduction pipe 43, thereby contacting the electrode 23, when trace minerals are dissolved in the defrosting water, the defrosting water becomes a conductive liquid, and when one end of the electrode 23 is inserted into the defrosted water, the other end of the electrode 23 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 current can pass through the defrosting water between the electrodes 23, 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.
Optionally, the water conduit 43 is connected to the defrosting water storage tank 42 at a water inlet higher than the water outlet connected to the humidifying water tank 22; a throttle valve is arranged in the water guide pipe 43, 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 43 is utilized to enable the defrosting water stored in the defrosting water storage tank 42 to flow into the humidifying water tank 22 by virtue of the difference in height. Alternatively, a water pump connected to a controller may be provided at the water outlet of the water conduit 43, and the controller may control the water pump to flow the defrosting water into the humidifying water tank 22 when the defrosting water cannot flow into the humidifying water tank 22 due to the height difference. 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 present invention, the defrosting water storage tank 42 is disposed below the evaporator body 41, and the water conduit 43 is disposed to be connected to the humidification water tank 22, so that the defrosting water after absorbing and filtering impurities is used for electrolytic humidification, thereby realizing recycling of the defrosting water.
Optionally, a filtering device 44 is disposed in the water conduit 43, the filtering device 44 is disposed at a water inlet of the water conduit 43, and the filtering device 44 may be activated carbon filter cotton, which can absorb the odor in the air of the refrigerating chamber and absorb and filter the impurities in the defrosting water.
Optionally, a water level detection device 24 is disposed on the moisturizing device 20, and the water level detection device 24 is configured to detect a real-time water level of the moisturizing device 20. The water level detection device 24 is connected to a controller 30 in the refrigerator, and the controller 30 sends a prompt message when the water level detection device 24 detects that the real-time water level of the humidification water tank 22 is lower than a target water level.
Illustratively, when a user triggers a humidification instruction, the humidification instruction carries humidification degree information, the controller 30 obtains the current water level detected by the water level detection device 24, and determines whether the real-time water level of the humidification water tank 22 is lower than a target water level, if the humidification requirement is high, and water is injected through the water conduit 43, the target water level cannot be reached, and the controller 30 sends an alarm prompt to prompt the user that manual water addition 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.
Compared with the prior art, the refrigerator disclosed by the embodiment of the invention has the advantages that the moisturizing device 20 is arranged on the outer side of the moisturizing chamber, and the moisturizing device 20 moisturizes through the principle of electrically heating water, so that the humidity in the moisturizing chamber can be increased. In addition, the current humidity of the moisturizing chamber is compared with the target humidity so as to adjust the voltage input value input to the electrode 23 according to the comparison result, and the higher the voltage input value of the electrode 23 is, the higher the heating degree of the water in the humidifying water tank 22 is, so that the faster the water in the humidifying water tank 22 is evaporated, thereby improving the humidity of the moisturizing chamber.
Referring to fig. 4, fig. 4 is a flowchart of a refrigerator humidifying method according to an embodiment of the present invention, the refrigerator humidifying method is suitable for a refrigerator, the refrigerator includes a moisturizing device, the moisturizing device is disposed outside the moisturizing chamber, and includes 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 arranged on the water tank cover, the water filling port is used for water injection, the water vapor outlet is used for placing the electrode, the water vapor outlet is also communicated with a steam inlet of the humidifying chamber, and the humidifying water tank is used for storing water flowing in through the water filling port; the refrigerator humidifying method comprises the following steps:
s11, responding to the real-time humidity adjustment operation of the refrigerator, and acquiring the food information stored in the moisturizing chamber;
s12, acquiring corresponding target humidity according to the food information;
s13, acquiring the current humidity of the moisturizing chamber;
and S14, comparing the current humidity with the target humidity, and adjusting the voltage input value input to the electrode according to the comparison result.
Illustratively, the humidifying method of the refrigerator is realized by a controller in the refrigerator, the humidifying device in the embodiment of the invention adopts an electrode type humidifying mode, and water is used as a part of a circuit loop in the electrode type humidifying process, so no current exists when no water exists, and the defect that electric heating type no-water 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.
Specifically, the humidity in the moisturizing chamber can be increased by providing the moisturizing device outside the moisturizing chamber and humidifying the moisturizing device by the principle of electrically heating water. In the embodiment of the invention, the refrigerator has two humidity adjusting modes, one is a real-time humidity adjusting mode, and the voltage input value of the electrode is adjusted in real time by automatically detecting the humidity required by food materials stored in the moisturizing chamber; the other is a humidity fixed regulation mode, wherein the humidity keeping chamber is provided with a fixed humidity value, and the voltage input value input into the electrode is adjusted according to the fixed humidity value. It will be appreciated that the two modes of moisturizing can be set at the discretion of the user.
In the first embodiment, as in steps S11 to S14, when the refrigerator is operated in the humidity real-time adjustment mode, first, the information of the food stored in the moisture-keeping compartment is obtained, and when only one type of food stored in the moisture-keeping compartment is detected, the humidity corresponding to the current food material is obtained as the target humidity; when the fact that the food stored in the moisture-preserving chamber comprises at least two types is detected, acquiring the humidity corresponding to the at least two types of food materials, and taking the average value of the humidity corresponding to the at least two types of food materials as the target humidity; then, acquiring the current humidity of the moisturizing chamber; and finally, comparing the current humidity with the target humidity, and adjusting the voltage input value input into the electrode according to the comparison result. When the current humidity is larger than the target humidity, reducing the voltage input value until the current humidity meets the target humidity; when the current humidity is equal to the target humidity, keeping the voltage input value unchanged; and when the current humidity is smaller than the target humidity, increasing the voltage input value until the current humidity meets the target humidity.
In a second embodiment, when the refrigerator operates in a humidity fixed adjustment mode, first, the current humidity of the humidity-keeping chamber is acquired; then, comparing the current humidity with a preset humidity level to determine a target humidity level of the current humidity; wherein each humidity level has a corresponding voltage input value; and finally, adjusting the voltage input value input into the electrode according to the target humidity level.
Illustratively, the humidity levels include 3, respectively: [ 0% RH, 60% RH ], [ 60% RH, 80% RH ], (80% RH, 100% RH ]. When the current humidity is [ 0% RH, 60% RH), the strongest humidification rate is needed, and the voltage input value applied by the two sections of the electrodes is 12 v; when the humidity of the compartment is [ 60% RH, 80% RH ], the voltage input value applied by the two sections of the electrode is 9 v; when the humidity of the compartment is (80% RH, 100% RH), the humidity of the compartment only needs to be kept, so that the voltage input value applied by the two sections of the electrodes is 6v, and the humidity of the fruit and vegetable compartment is always kept at a higher level by adjusting the efficiency of the humidifying electrode through voltage.
Furthermore, 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 used for water injection, the water vapor outlet is used for placing the electrodes, the water vapor outlet is communicated with a steam inlet of the moisturizing chamber, and the humidifying water tank is used for storing water flowing in through the water filling port.
In the embodiment of the invention, compared with the conventional chemical catalysis, the electron transfer of water or oxygen and a catalyst is carried out in a limited area due to the electrification of the moisturizing device, electrons cannot be introduced from an external circuit or led out from a reaction system in the reaction, and pure electrons are transferred in the electrocatalysis, so that the electrode is a reaction catalyst, a reaction site and an electron supply and receiving site, the reaction rate or the reaction direction of the electrode can be improved, and the electrode does not have a substantial change. Therefore, compared with conventional chemical catalysis, the catalytic efficiency is greatly improved and the humidifying effect is also greatly improved after the moisturizing device is electrified.
Optionally, be equipped with two steam outlets on the basin lid, each an electrode has all been placed in the steam outlet, and the polarity of two electrodes is opposite.
Illustratively, the steam outlet is right opposite to the air port for providing cold energy to the moisturizing chamber, the steam generated by the electrodes is cooled, temperature fluctuation of fruits and vegetables in the moisturizing chamber is avoided, meanwhile, the steam is blown into each corner of the moisturizing chamber along with wind, the humidity distribution of humidification is more uniform, and local humidification is avoided.
Further, the refrigerator further includes:
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 during defrosting operation, one section of the water guide pipe is communicated with the defrosting water storage tank, and the other end of the water guide pipe is communicated with the water filling port.
In the embodiment of the invention, the water in the moisturizing device is from defrosting water generated in defrosting of the evaporator, the defrosting water storage tank is arranged to store the defrosting water generated by the evaporator body, the defrosting water is guided into the humidifying water tank through the water guide pipe, thereby contacting with the electrode, when trace mineral substances are dissolved in the defrosting water, the defrosting water becomes a conductive liquid, when one end of the electrode is inserted into the defrosting water, the other end of the electrode 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, 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.
Optionally, the height of a water inlet of the water conduit connected with the defrosting water storage tank 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.
Illustratively, the height difference between the water outlet and the water inlet of the water conduit is utilized, so that the defrosting water stored in the defrosting water storage tank can flow into the humidifying water tank by virtue of the height difference. Or, a water pump connected with a controller is arranged at the water outlet of the water guide pipe, and when the defrosting water cannot flow into the humidifying water tank by virtue of the height difference, the defrosting water can also flow into the humidifying water tank by controlling the water pump through the controller. 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 is arranged below the evaporator body, the water guide pipe is connected with the humidifying water tank, and the defrosting water subjected to impurity adsorption and filtration is used for electrolytic humidification, so that the cyclic utilization of the defrosting water is realized.
Optionally, a filtering device is arranged in the water guide pipe, the filtering device is arranged at the water inlet of the water guide pipe, the filtering device can be activated carbon filter cotton, and the activated carbon filter cotton can adsorb peculiar smell in the air of the refrigerating chamber and adsorb and filter impurities in the defrosting water.
Optionally, a water level detection device is arranged on the moisturizing device and used for detecting the real-time water level of the moisturizing device. The water level detection device is connected with a controller in the refrigerator, and the controller sends prompt information when the water level detection device detects that the real-time water level of the humidifying water tank 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, judges whether the real-time water level of the humidification water tank is lower than a target water level at the moment, if the humidification requirement is higher, water cannot reach the target water level through the water guide pipe, and the controller sends an alarm prompt to prompt the user that the water needs to be added manually at the moment.
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 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, so that the effect of degrading pesticide residues is achieved.
The electrode provided by 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 is inserted into condensed and collected water, water rich in hydroxyl free radicals and superoxide free radicals is changed into steam under the Ag-Ce/AlPO4 catalytic electrode, and the steam enters the fruit and vegetable chamber for humidification, so that the functions of dehumidification, sterilization and deodorization are integrated.
Compared with the prior art, the refrigerator humidifying method disclosed by the embodiment of the invention has the advantages that the moisturizing device is arranged on the outer side of the moisturizing chamber, and the moisturizing device humidifies by the principle of electrically heating water, so that the humidity in the moisturizing chamber can be increased. In addition, the current humidity of the moisturizing chamber is compared with the target humidity, so that the voltage input value of the electrode is adjusted according to the comparison result, the higher the voltage input value of the electrode is, the higher the heating degree of water in the humidifying water tank is, the faster the water in the humidifying water tank is evaporated, and the humidity of the moisturizing chamber is improved.
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 (10)

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 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 arranged on the water tank cover, the water filling port is used for water injection, the water vapor outlet is used for placing the electrode, the water vapor outlet is also communicated with a steam inlet of the humidifying chamber, and the humidifying water tank is used for storing water flowing in through the water filling port;
the controller is configured to:
responding to the real-time humidity adjusting operation of the refrigerator, and acquiring the food information stored in the moisturizing chamber;
acquiring corresponding target humidity according to the food information;
acquiring the current humidity of the moisturizing chamber;
and comparing the current humidity with the target humidity, and adjusting the voltage input value input into the electrode according to the comparison result.
2. The refrigerator of claim 1, wherein the controller is further configured to:
responding to the humidity fixing and adjusting operation of the refrigerator, and acquiring the current humidity of the moisturizing chamber;
comparing the current humidity with a preset humidity level to determine a target humidity level of the current humidity; wherein each humidity level has a corresponding voltage input value;
and adjusting the voltage input value input into the electrode according to the target humidity level.
3. The refrigerator of claim 1, wherein the acquiring the corresponding target humidity according to the food information comprises:
when only one type of food stored in the moisture-preserving chamber is detected, acquiring the humidity corresponding to the current food material as the target humidity;
when it is detected that the food stored in the moisture-keeping chamber comprises at least two types, acquiring the humidity corresponding to the at least two types of food materials, and taking the average value of the humidity corresponding to the at least two types of food materials as the target humidity.
4. The refrigerator of claim 1, wherein the adjusting of the voltage input value to the electrode according to the comparison result comprises:
when the current humidity is greater than the target humidity, reducing the voltage input value;
when the current humidity is equal to the target humidity, keeping the voltage input value unchanged;
and when the current humidity is smaller than the target humidity, increasing the voltage input value.
5. The refrigerator of claim 1, further comprising:
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 during defrosting operation, one section of the water guide pipe is communicated with the defrosting water storage tank, and the other end of the water guide pipe is communicated with the water filling port.
6. The refrigerator humidifying method is characterized by being applicable to a refrigerator, wherein the refrigerator comprises a moisturizing device, the moisturizing device is arranged on the outer side of a 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 arranged on the water tank cover, the water filling port is used for water injection, the water vapor outlet is used for placing the electrode, the water vapor outlet is also communicated with a steam inlet of the humidifying chamber, and the humidifying water tank is used for storing water flowing in through the water filling port; the refrigerator humidifying method comprises the following steps:
responding to the real-time humidity adjusting operation of the refrigerator, and acquiring the food information stored in the moisturizing chamber;
acquiring corresponding target humidity according to the food information;
acquiring the current humidity of the moisturizing chamber;
and comparing the current humidity with the target humidity, and adjusting the voltage input value input into the electrode according to the comparison result.
7. The refrigerator humidifying method of claim 6, further comprising:
responding to the humidity fixing and adjusting operation of the refrigerator, and acquiring the current humidity of the moisturizing chamber;
comparing the current humidity with a preset humidity level to determine a target humidity level of the current humidity; wherein each humidity level has a corresponding voltage input value;
and adjusting the voltage input value input into the electrode according to the target humidity level.
8. The refrigerator humidifying method of claim 6, wherein the obtaining of the corresponding target humidity according to the food information comprises:
when only one type of food stored in the moisture-preserving chamber is detected, acquiring the humidity corresponding to the current food material as the target humidity;
when it is detected that the food stored in the moisture-keeping chamber comprises at least two types, acquiring the humidity corresponding to the at least two types of food materials, and taking the average value of the humidity corresponding to the at least two types of food materials as the target humidity.
9. The refrigerator humidifying method of claim 8, wherein the adjusting the voltage input value to the electrode according to the comparison result comprises:
when the current humidity is greater than the target humidity, reducing the voltage input value;
when the current humidity is equal to the target humidity, keeping the voltage input value unchanged;
and when the current humidity is smaller than the target humidity, increasing the voltage input value.
10. The humidification method of a refrigerator as claimed in claim 6, wherein said refrigerator further comprises: 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 during defrosting operation, one section of the water guide pipe is communicated with the defrosting water storage tank, and the other end of the water guide pipe is communicated with the water filling port.
CN202111188069.8A 2021-10-12 2021-10-12 Refrigerator and refrigerator humidifying method Active CN113915911B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003121058A (en) * 2001-10-05 2003-04-23 Sanyo Electric Co Ltd Refrigerator
JP2012241921A (en) * 2011-05-16 2012-12-10 Toshiba Corp Refrigerator
CN104677019A (en) * 2015-02-28 2015-06-03 合肥晶弘电器有限公司 Refrigerating chamber humidifying device for refrigerator and refrigerator
CN109084524A (en) * 2017-06-13 2018-12-25 合肥华凌股份有限公司 Control method and device, the refrigerator, storage medium of refrigerator storage space humidity
CN208983533U (en) * 2018-10-18 2019-06-14 安徽加士迪环境科技有限公司 A kind of wind pipe type electrode humidifler
CN110715500A (en) * 2018-07-11 2020-01-21 青岛海尔智能技术研发有限公司 Refrigerating and freezing device and control method thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003121058A (en) * 2001-10-05 2003-04-23 Sanyo Electric Co Ltd Refrigerator
JP2012241921A (en) * 2011-05-16 2012-12-10 Toshiba Corp Refrigerator
CN104677019A (en) * 2015-02-28 2015-06-03 合肥晶弘电器有限公司 Refrigerating chamber humidifying device for refrigerator and refrigerator
CN109084524A (en) * 2017-06-13 2018-12-25 合肥华凌股份有限公司 Control method and device, the refrigerator, storage medium of refrigerator storage space humidity
CN110715500A (en) * 2018-07-11 2020-01-21 青岛海尔智能技术研发有限公司 Refrigerating and freezing device and control method thereof
CN208983533U (en) * 2018-10-18 2019-06-14 安徽加士迪环境科技有限公司 A kind of wind pipe type electrode humidifler

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