CN109140870B - Air-cooled refrigerator with low-humidity accurate adjusting function and control method thereof - Google Patents
Air-cooled refrigerator with low-humidity accurate adjusting function and control method thereof Download PDFInfo
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- CN109140870B CN109140870B CN201810949719.8A CN201810949719A CN109140870B CN 109140870 B CN109140870 B CN 109140870B CN 201810949719 A CN201810949719 A CN 201810949719A CN 109140870 B CN109140870 B CN 109140870B
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
- F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
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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
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/003—Arrangement or mounting of control or safety devices for movable devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention discloses an air-cooled refrigerator with a low-humidity accurate adjusting function and a control method thereof, and relates to the technical field of refrigerator control. The invention comprises a chamber with an independent refrigeration cycle system, a temperature sensor is arranged in an evaporator, a chamber temperature and humidity sensor is arranged on the inner side wall of the chamber, and a control panel is arranged on the outer top surface of the refrigerator. The invention adjusts the evaporating temperature of the refrigerant by properly adjusting the frequency of the variable frequency compressor; meanwhile, the proper rotating speed of the refrigerating fan at the rotating speed is found for adjusting the dehumidification capacity of the evaporator, the relative humidity of the refrigerator compartment can be accurately removed by utilizing the difference between the temperature of the evaporator and the refrigerating capacity of the refrigerant, based on the characteristics of the refrigerator, the original system of the refrigerator is fully utilized, and the low humidity accurate adjustment of the refrigerator compartment can be realized without adding any other equipment, so that the residual cold of the evaporator after shutdown is reasonably utilized, the temperature fluctuation of the compartment is reduced, the energy consumption is saved, and the method is an economic, energy-saving and efficient dehumidification method.
Description
Technical Field
The invention belongs to the technical field of refrigerator control, and particularly relates to an air-cooled refrigerator with a low-humidity accurate adjusting function and a control method thereof.
Background
The horizontal refrigerator is used as a convenient refrigerating tool and is widely applied to the fields of commerce and household. In order to solve the defects of serious frosting of a direct-cooling horizontal refrigerator and the like, the invention patent with the application number of CN201720145026.4 provides a horizontal frostless air-cooled refrigerator by using the principle and the structure of a frostless refrigerator for reference, the effect of frostless of the refrigerator is achieved by designing a fan refrigerating structure, however, because the refrigerator is a stacked storage type refrigerator, when there are more articles in the compartment, in order to ensure that the cold energy can be delivered to the end of the air-cooled refrigerator far away from the evaporator, an air supply duct needs to be arranged in the foaming layer, which brings many troubles to the process manufacturing, and the air duct space can be reserved by reasonably designing the shelf to properly alleviate the situation, however, when the size of the refrigerator is larger, the air pressure is difficult to meet, and the temperature of the far end of the evaporator is still difficult to drop, so that aiming at the problems, the air-cooled refrigerator with the low humidity accurate regulation function and the control method thereof are provided to solve the problems, and the air-cooled refrigerator has important significance.
Disclosure of Invention
The invention aims to provide an air-cooled refrigerator with a low-humidity accurate adjusting function and a control method thereof.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to an air-cooled refrigerator with low humidity accurate adjustment function and a control method thereof, which comprises one or more compartments arranged in the refrigerator, wherein the compartments comprise compartments with independent refrigeration circulation systems, the compartments are independently refrigerated through an evaporator, one end of the evaporator is connected with a switching valve, a filter, a condenser and a variable frequency compressor through an independent capillary tube, a temperature sensor is arranged in the evaporator, a refrigeration fan and an air port are arranged in a refrigeration air duct leading to the compartments, at least one compartment temperature and humidity sensor is arranged on the inner side wall of each compartment, and a control panel electrically connected with the evaporator, the temperature sensor, the refrigeration fan, the compartment temperature and humidity sensor and the variable frequency compressor is arranged on the outer top surface of the refrigerator.
A control method of an air-cooled refrigerator with a low humidity accurate adjustment function comprises the following steps:
s01: when articles needing drying and storage are put into the compartment, a target relative humidity value R and a target refrigerating temperature F in the compartment are set through a control panel;
s02: the chamber temperature and humidity sensor collects temperature values f in the chamber in real time;
s03: judging whether the temperature value F is greater than or equal to F, namely whether F is greater than or equal to F;
if yes, the compartment requests refrigeration, the variable frequency compressor rotates at the rotating speed Hi to operate, the compartment is rapidly cooled, a fan of the refrigeration fan delays until the temperature sensed by the temperature sensor in the evaporator reaches a certain set value T, at the moment, the refrigeration fan is started, the rotating speed of the refrigeration fan is adjusted to Fi according to the rotating speed of the variable frequency compressor, and then the step S07 is carried out;
if not, carrying out the next step;
s04: the chamber requests to stop refrigeration, and closes a capillary tube or a variable frequency compressor connected with the chamber, and the next step is carried out;
s05: judging whether the dew point temperature Di of the compartment is greater than the real-time temperature Ti collected by the evaporator, namely judging whether Di is greater than or equal to Ti;
if so, stopping the rotation of the refrigerating fan and finishing the operation;
if not, entering the next step;
s06: the refrigerating fan keeps the rotating speed of Fi rotating operation;
s07: the compartment temperature and humidity sensor collects the relative humidity from starting to stopping in the compartment every N seconds, and calculates the average value Rim of the relative humidity in the compartment during the starting period;
s08: judging whether the relative humidity average value Rim is larger than a target relative humidity value R or not, namely whether Rim is larger than R or not;
if yes, adjusting the next rotation speed Hi +1 ═ Hi + (Rim-R) × Hi of the inverter compressor, and the rotation speed Fi +1 ═ Fi + (Rim-R) × Fi of the refrigeration fan, and proceeding to step S10;
if not, entering the next step;
s09: adjusting the rotating speed Hi +1 ═ Hi + (R-Rim) × Hi of the frequency conversion compressor at the next time, and adjusting the rotating speed Fi +1 ═ Fi + (R-Rim) × Fi of a fan;
s10: judging whether the relative humidity average value Rim is equal to a target relative humidity value R or not;
if yes, ending;
if not, returning to the step S02, and repeating the step S02 until the relative humidity average value Rim is equal to the target relative humidity value R.
Further, the Hi ranges from 900 RPM to 4800 RPM; the Fi range is 900-1500 RPM, and the N range is N > 0.1 s.
Further, the range of T is-60 ℃ to 10 ℃.
Further, the range of R is 0-70% Rh.
Further, the target refrigerating temperature F of the compartment ranges from minus 50 ℃ to 20 ℃.
The invention has the following beneficial effects:
the invention establishes a dehumidification control method by combining the factors of the rotating speed of the variable frequency compressor, the rotating speed of the refrigerating fan, the running time of the refrigerating fan, the temperature of the evaporator and the like in a chamber with an independent refrigerating circulation system. When the compartment is refrigerated, the frequency of the variable frequency compressor is properly adjusted, and the evaporation temperature of the refrigerant is adjusted; meanwhile, the proper rotating speed of the refrigerating fan at the rotating speed is searched for adjusting the dehumidification capacity of the evaporator; when the refrigeration fan is used for refrigerating, the operation is started until the evaporator temperature sensor reaches a certain temperature, the relative humidity in the compartment can be further adjusted by adjusting the temperature, the temperature of the evaporator and the refrigerating capacity of a refrigerant are different at the moment, so that the relative humidity in the compartment of the refrigerator can be accurately removed, the refrigeration of the compartment is stopped, the fan is delayed until the evaporator loses dehumidification capacity according to the temperature of the evaporator sensor and the dew point temperature collected by the temperature and humidity sensor in the compartment, the relative humidity in the compartment during the startup and shutdown period is collected in real time by the temperature and humidity sensor in the compartment, and the average value is calculated and used for adjusting the rotating speeds of a compressor and the fan and the starting time of the fan in the next compartment refrigeration period, so that the preset value of a user is. The method is based on the characteristics of the refrigerator, fully utilizes the original system of the refrigerator, can realize the accurate adjustment of the low humidity of the refrigerator compartment without adding any other equipment, reasonably utilizes the residual cold of the evaporator after the shutdown, reduces the temperature fluctuation of the compartment, saves energy consumption, is an economic, energy-saving and efficient dehumidification means, can realize the accurate adjustment of the low humidity of the refrigerator compartment, reasonably utilizes the residual cold of the evaporator after the shutdown, reduces the temperature fluctuation of the compartment, saves energy consumption, and has the advantages of economy, energy conservation and high work efficiency.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of an air-cooled refrigerator having a low humidity precise adjustment function according to the present invention;
FIG. 2 is a right side view of FIG. 1;
FIG. 3 is a schematic diagram illustrating the steps of a control method for an air-cooled refrigerator with a low humidity precise adjustment function;
FIG. 4 is a graph of the humidity fluctuation in the compartment according to the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-chamber, 2-evaporator, 3-temperature sensor, 4-refrigeration fan, 5-air port, 6-control panel, 8-chamber temperature and humidity sensor, Pi-ith dehumidification power fluctuation curve, Hi-ith dehumidification compressor rotating speed, Fi-ith dehumidification fan rotating speed, Pi + 1-ith +1 th power fluctuation curve, Hi + 1-ith +1 th dehumidification compressor rotating speed, Fi + 1-ith +1 th dehumidification fan rotating speed, R-set average humidity, Rim-ith dehumidification relative humidity average value and S-chamber humidity fluctuation curve.
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.
In the description of the present invention, it is to be understood that the terms "middle", "inner", "side wall", "inner wall", and the like, indicate an orientation or positional relationship only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-2, the air-cooled refrigerator with low humidity precise adjustment function of the present invention includes one or more compartments disposed inside the refrigerator, including a compartment 1 having an independent refrigeration cycle system, the compartment 1 performs independent refrigeration through an evaporator 2, one end of the evaporator 2 is connected with a switching valve, a filter, a condenser and a variable frequency compressor through an independent capillary tube, a temperature sensor 3 is disposed in the evaporator 2, a refrigeration fan 4 and an air port 5 are disposed in a refrigeration air duct leading to the compartment 1, a compartment temperature and humidity sensor 8 is disposed on an inner side wall of the compartment 1, and a control panel 6 electrically connected with the evaporator 2, the temperature sensor 3, the refrigeration fan 4, the compartment temperature and humidity sensor 8 and the variable frequency compressor is disposed on an outer top surface of the refrigerator.
As shown in fig. 3, a control method of an air-cooled refrigerator having a low humidity precise adjustment function includes the steps of:
s01: when articles needing drying and storage are put into the compartment 1, a target relative humidity value R and a target compartment refrigeration temperature F in the compartment 1 are set through the control panel 6;
s02: a chamber temperature and humidity sensor 8 acquires a temperature value f in the chamber 1 in real time;
s03: judging whether the temperature value F is greater than or equal to F, namely whether F is greater than or equal to F;
if yes, the compartment 1 requests refrigeration, the variable frequency compressor rotates at the rotating speed Hi to operate, the compartment 1 is rapidly cooled, the fan of the refrigeration fan 4 delays until the temperature sensed by the temperature sensor 3 in the evaporator 2 reaches a certain set value T, at the moment, the refrigeration fan 4 is started, the rotating speed of the refrigeration fan 4 is adjusted to Fi according to the rotating speed of the variable frequency compressor, and then the step S07 is carried out;
if not, carrying out the next step;
s04: the compartment 1 requests to stop refrigeration, and closes a capillary or a variable frequency compressor connected with the compartment 1, and the next step is carried out;
s05: judging whether the dew point temperature Di of the compartment 1 is greater than the real-time temperature Ti collected by the evaporator 2, namely judging whether Di is greater than or equal to Ti;
if so, stopping the rotation of the refrigerating fan 4 and finishing;
if not, entering the next step;
s06: the refrigerating fan 4 keeps the rotating speed as Fi rotating operation;
s07: the method comprises the following steps that a chamber temperature and humidity sensor collects relative humidity from starting to stopping in a chamber 1 every N seconds, and calculates an average value Rim of the relative humidity in the chamber 1 during starting;
s08: judging whether the average value Rim of the relative humidity is larger than a target relative humidity value R or not, namely whether Rim is larger than R or not;
if yes, adjusting the next rotation speed Hi +1 ═ Hi + (Rim-R) × Hi of the inverter compressor, and the rotation speed Fi +1 ═ Fi + (Rim-R) × Fi of the refrigeration fan 4, and proceeding to step S10;
if not, entering the next step;
s09: adjusting the rotating speed Hi +1 ═ Hi + (R-Rim) × Hi of the next frequency conversion compressor, and adjusting the rotating speed Fi +1 ═ Fi + (R-Rim) × Fi of a fan;
s10: judging whether the relative humidity average value Rim is equal to a target relative humidity value R or not;
if yes, ending;
if not, the process returns to step S02, and step S02 is repeated until the relative humidity average value Rim is equal to the target relative humidity value R.
Wherein Hi is 4000 RPM; fi is 1000RPM, N is 0.2 seconds.
Wherein T is-10 ℃.
Wherein R is 45% Rh.
Wherein the compartment target refrigeration temperature F is-8 ℃.
As shown in fig. 4: when a compartment 1 has a refrigerating request, the inverter compressor starts to operate at a relatively low rotating speed Hi, so that the fan of the corresponding refrigerating fan 4 starts to operate at an optimal rotating speed Fi.
When the compartment 1 stops cooling, the fan of the cooling fan 4 keeps rotating at the Fi rotating speed, and at this time, the humidity curve S in the compartment 1 is seen to rise rapidly.
The chamber temperature and humidity sensor 8 collects relative humidity from start-up to stop in a chamber every 0.2 second, calculates an average value Rim of the relative humidity in the chamber during the start-up and stop period, judges whether the average value Rim of the relative humidity is greater than a relative humidity value R, namely Rim is greater than R, if yes, adjusts the next compressor rotating speed Hi +1 ═ Hi + (Rim-R) × Hi, the fan rotating speed Fi +1 ═ Fi + (Rim-R) </Fi, and if not, adjusts the next compressor rotating speed Hi +1 ═ Hi + (R-Rim) </Hi, and the fan rotating speed + 1 ═ Fi + (R-Rim) </Fi; and judging whether the Rim is equal to R or not in real time until the Rim is equal to R.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. A control method of an air-cooled refrigerator with a low-humidity accurate adjusting function is characterized in that the air-cooled refrigerator comprises one or more compartments arranged in the refrigerator, the air-cooled refrigerator comprises a compartment (1) with an independent refrigerating circulation system, the compartment (1) is independently refrigerated through an evaporator (2), one end of the evaporator (2) is connected with a switching valve, a filter, a condenser and a variable frequency compressor through an independent capillary tube, a temperature sensor (3) is arranged in the evaporator (2), and a refrigerating fan (4) and an air port (5) are arranged in a refrigerating air duct leading to the compartment (1), the control method is characterized in that at least one compartment temperature and humidity sensor (8) is arranged on the inner side wall of the compartment (1), and the outer top surface of the refrigerator is provided with a temperature sensor (3), a refrigerating fan (4) and a variable frequency compressor, Room temperature and humidity sensor (8), inverter compressor electric connection's control panel (6), its characterized in that includes following step:
s01: when articles needing drying and storage are put into the compartment (1), a target relative humidity value R and a target refrigerating temperature F in the compartment (1) are set through a control panel (6);
s02: the room temperature and humidity sensor (8) collects the temperature value f in the room (1) in real time;
s03: judging whether the temperature value F is greater than or equal to F, namely whether F is greater than or equal to F;
if so, the compartment (1) requests refrigeration, the variable frequency compressor rotates at the rotating speed Hi to operate, so that the compartment (1) is rapidly cooled, a fan of the refrigeration fan (4) delays until the temperature sensed by the temperature sensor (3) in the evaporator (2) reaches a certain set value T, at the moment, the refrigeration fan (4) is started, the rotating speed of the refrigeration fan (4) is adjusted to Fi according to the rotating speed of the variable frequency compressor, and then the step S07 is carried out;
if not, carrying out the next step;
s04: the compartment (1) requests to stop refrigeration, and a capillary or a variable frequency compressor connected with the compartment (1) is closed, and the next step is carried out;
s05: judging whether the dew point temperature Di of the compartment (1) is greater than the real-time temperature Ti collected by the evaporator (2), namely judging whether Di is greater than or equal to Ti;
if so, stopping the rotation of the refrigerating fan (4) and finishing;
if not, entering the next step;
s06: the refrigerating fan (4) keeps the rotating speed of Fi rotating operation;
s07: the compartment temperature and humidity sensor collects the relative humidity from starting to stopping in the compartment (1) every N seconds, and calculates the average value Rim of the relative humidity in the compartment (1) during the starting;
s08: judging whether the relative humidity average value Rim is larger than a target relative humidity value R or not, namely whether Rim is larger than R or not;
if yes, adjusting the next rotating speed Hi +1 ═ Hi + (Rim-R) × Hi of the variable frequency compressor, adjusting the rotating speed Fi +1 ═ Fi + (Rim-R) × Fi of the refrigerating fan (4), and entering the step S10;
if not, entering the next step;
s09: adjusting the rotating speed Hi +1 ═ Hi + (R-Rim) × Hi of the frequency conversion compressor at the next time, and adjusting the rotating speed Fi +1 ═ Fi + (R-Rim) × Fi of a fan;
s10: judging whether the relative humidity average value Rim is equal to a target relative humidity value R or not;
if yes, ending;
if not, returning to the step S02, and repeating the step S02 until the relative humidity average value Rim is equal to the target relative humidity value R.
2. The control method of the air-cooled refrigerator with the low humidity precise adjustment function according to claim 1, wherein the Hi ranges from 900 to 4800 RPM; the Fi range is 900-1500 RPM, and the N range is N > 0.1 s.
3. The control method of an air-cooled refrigerator having a low humidity precise adjustment function according to claim 1, wherein the range of T is-60 ℃ to 10 ℃.
4. The control method of an air-cooled refrigerator having a low humidity precise adjustment function as claimed in claim 1, wherein the range of R is 0-70% Rh.
5. The control method of the air-cooled refrigerator with the low humidity precise adjustment function according to claim 1, wherein the compartment target refrigerating temperature F is in a range of-50 ℃ to 20 ℃.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810949719.8A CN109140870B (en) | 2018-08-20 | 2018-08-20 | Air-cooled refrigerator with low-humidity accurate adjusting function and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810949719.8A CN109140870B (en) | 2018-08-20 | 2018-08-20 | Air-cooled refrigerator with low-humidity accurate adjusting function and control method thereof |
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| CN109140870B true CN109140870B (en) | 2020-07-10 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115574532A (en) * | 2021-06-21 | 2023-01-06 | 青岛海尔电冰箱有限公司 | Control method of refrigerating and freezing device and refrigerating and freezing device |
| CN115574530A (en) * | 2021-06-21 | 2023-01-06 | 青岛海尔电冰箱有限公司 | Control method of refrigerating and freezing device and refrigerating and freezing device |
| CN117804141B (en) * | 2023-12-29 | 2024-09-17 | 广东海洋大学 | Multi-energy complementary storage system and control method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2110193U (en) * | 1991-11-29 | 1992-07-15 | 陈亦明 | Vacuum refrigerator |
| CN102135306A (en) * | 2011-04-20 | 2011-07-27 | 合肥美的荣事达电冰箱有限公司 | Moisture retaining device of refrigerator and refrigerator with same |
| CN202393158U (en) * | 2012-01-09 | 2012-08-22 | 罗优才 | Automatic-humidification freezer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009168279A (en) * | 2008-01-11 | 2009-07-30 | Hoshizaki Electric Co Ltd | Cooling storage |
-
2018
- 2018-08-20 CN CN201810949719.8A patent/CN109140870B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2110193U (en) * | 1991-11-29 | 1992-07-15 | 陈亦明 | Vacuum refrigerator |
| CN102135306A (en) * | 2011-04-20 | 2011-07-27 | 合肥美的荣事达电冰箱有限公司 | Moisture retaining device of refrigerator and refrigerator with same |
| CN202393158U (en) * | 2012-01-09 | 2012-08-22 | 罗优才 | Automatic-humidification freezer |
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