CN117516057A - Fresh-keeping drawer humidity control method, fresh-keeping drawer humidity control system using same and refrigerator - Google Patents

Fresh-keeping drawer humidity control method, fresh-keeping drawer humidity control system using same and refrigerator Download PDF

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Publication number
CN117516057A
CN117516057A CN202311682768.7A CN202311682768A CN117516057A CN 117516057 A CN117516057 A CN 117516057A CN 202311682768 A CN202311682768 A CN 202311682768A CN 117516057 A CN117516057 A CN 117516057A
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CN
China
Prior art keywords
fresh
drawer
keeping drawer
ice making
keeping
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311682768.7A
Other languages
Chinese (zh)
Inventor
李格格
李琦
刘畅
钱梅双
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN202311682768.7A priority Critical patent/CN117516057A/en
Publication of CN117516057A publication Critical patent/CN117516057A/en
Pending legal-status Critical Current

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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
    • F25D29/00—Arrangement or mounting of control or safety 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
    • F25C—PRODUCING, WORKING OR HANDLING ICE
    • F25C1/00—Producing ice
    • 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
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/04—Preventing the formation of frost or condensate
    • 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
    • F25D25/00—Charging, supporting, and discharging the articles to be cooled
    • F25D25/02—Charging, supporting, and discharging the articles to be cooled by shelves
    • F25D25/024—Slidable shelves
    • F25D25/025—Drawers
    • 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
    • F25D2317/0411—Treating air flowing to refrigeration compartments by purification by dehumidification
    • F25D2317/04111—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
    • 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
    • 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
    • F25D2317/043—Treating air flowing to refrigeration compartments by creating a vacuum in a storage compartment

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

Abstract

The invention provides a fresh-keeping drawer humidity control method, a fresh-keeping drawer humidity control system and a refrigerator using the same, wherein the fresh-keeping drawer humidity control method comprises the following steps of S1: detecting the weight G of food materials in the fresh-keeping drawer after the fresh-keeping drawer is opened 1 Judgment of G 1 Whether or not > preset weight G 01 If yes, continue S2: opening the water inlet of the water storage device to makeThe condensation collected by the condensation collecting device in the fresh-keeping drawer is guided to the water storage device for storage; s3: detecting initial humidity phi in fresh-keeping drawer 1 Judging whether phi 1 < first preset humidity phi 01 If yes, continue S4: detecting the water level H in a water storage device 1 Determine whether or not H 1 Not less than a preset height H 01 If yes, continuing the next step; s5: starting the vacuum generating device to pump air to the water storage device so as to enable liquid water stored in the water storage device to boil in a negative pressure environment to open and humidify the fresh-keeping drawer; the invention can recycle the condensed water while avoiding the drawer condensation so as to humidify the drawer quickly and controllably when needed.

Description

Fresh-keeping drawer humidity control method, fresh-keeping drawer humidity control system using same and refrigerator
Technical Field
The invention relates to the technical field of refrigeration, in particular to a fresh-keeping drawer humidity control method, a fresh-keeping drawer humidity control system using the same and a refrigerator.
Background
The condensation phenomenon of the refrigerator is that when the refrigerator is used for refrigerating, the temperature in the refrigerator body is far lower than the temperature of the external environment, and the refrigerator door is frequently opened in the using process of the refrigerator, so that the hot air in the external environment frequently enters the refrigerator body, and at the moment, the high-temperature and high-humidity gas rapidly reaches the temperature of the condensation point when meeting cold, and the high-temperature and high-humidity gas is liquefied and condensed into the condensation on the inner wall of the refrigerator.
The fresh-keeping drawer in the refrigerator has a relatively sealed structure, relatively high internal humidity and is mainly used for storing fruit and vegetable food materials, and the inner wall of the fresh-keeping drawer is always condensed due to the condensation of humid air after the refrigerator and fruits and vegetables are frequently opened and closed by a user, and the position of the condensed dew generated by the stored fruits and vegetables in the fresh-keeping drawer is often uncontrollable due to the different structural designs of various types of refrigerators, so that beaded or flowing water-shaped condensed dew can be randomly generated at the top part of the inner wall of the drawer, the inner surface of the side wall or the bottom part of the inner wall and the like, mold formation of the inner wall of the fresh-keeping drawer is easily caused, accelerated spoilage of the fruits and vegetables is easily caused, and long-term fresh-keeping storage of the fruit and vegetable food materials is not facilitated.
Therefore, in the prior art, a kind of humidifying refrigerator is presented, which utilizes metal materials to gather and condense the water to a water storage box, the humidifying materials are arranged in the water storage box, and water is distributed to a humidifying space for humidifying through direct heating or a fan, so that the problem of condensation of a fresh-keeping drawer is solved, the condensation of the fresh-keeping drawer is recycled, and the fresh-keeping drawer is humidified when needed. The refrigerator mainly utilizes a combination of a humidifying material and a fan to humidify, has limited humidifying speed, and cannot judge the humidity state of a humidifying space; meanwhile, the refrigerator can not solve the problem of condensation at the bottom of the fresh-keeping drawer, and can also increase the temperature in the fresh-keeping drawer and aggravate the air flow disturbance in the fresh-keeping drawer, so that the water loss and the spoilage of fruits and vegetables are accelerated, and the fresh-keeping drawer is not beneficial to the storage of the fruits and vegetables; in addition, the existing refrigerator with the ice making box has low utilization rate, and most of the refrigerator is in an idle state, so that the ice making module of the refrigerator has single function and reduced efficiency.
Disclosure of Invention
The invention provides a fresh-keeping drawer humidity control method, a fresh-keeping drawer humidity control system using the same and a refrigerator, and aims to solve the technical problem that humidification control cannot be achieved when fresh-keeping drawer condensation is recycled for humidification in the prior art.
In order to solve the problems, the invention adopts the following technical scheme:
the invention provides a humidity control method of a fresh-keeping drawer, which comprises the following steps:
s1: when the fresh-keeping drawer is opened, the weight G of food materials in the fresh-keeping drawer is detected 1 Judgment of G 1 Whether or not > preset weight G 01 If yes, continuing the next step;
s2: starting a water inlet of the water storage device, and guiding condensation generated by the content in the fresh-keeping drawer collected by the condensation collecting device in the fresh-keeping drawer to the water storage device for storage;
s3: detecting initial humidity phi in fresh-keeping drawer 1 Judging whether phi 1 < first preset humidity phi 01 If yes, continuing the next step;
s4: detecting the water level H in a water storage device 1 Determine whether or not H 1 Not less than a preset height H 01 If yes, continuing the next step;
s5: and starting the vacuum generating device to pump air to the water storage device so that liquid water stored in the water storage device boils in a negative pressure environment to open and moisten the fresh-keeping drawer.
Further, if judgment is made in S4 that H 1 ＜H 01 S5' is performed;
s5': detecting temperature T in an ice making device 1 Determine whether T 1 < preset temperature T 0 If so, starting the vacuum generating device to suck air to the ice making device, so that the liquid water stored in the water storage device boils in a negative pressure environment to moisten the fresh-keeping drawer.
Further, if T is determined in S5 1 ≥T 0 Then the weight G of the content in the ice making device is detected 2 Determine whether G 2 > preset weight G 02 If yes, starting the ice making device to make ice.
Further, S5 further includes:
s6: detecting humidity phi of change in fresh-keeping drawer 2 Judging whether phi 2 More than or equal to the second preset humidity phi 02 If yes, the vacuum generating device stops pumping air to close humidification.
Preferably T 0 The value range of (2) is-1 to-5 ℃.
The invention also provides a fresh-keeping drawer humidity control system, which comprises:
the ice making device, the water storage device and the fresh-keeping drawer;
the condensation collecting device is used for collecting condensation generated by food materials placed in the fresh-keeping drawer and guiding the condensation into the water storage device for storage;
a first weight sensor for detecting the weight G of food materials placed in the fresh-keeping drawer 1 ；
The humidity detection device is used for detecting the humidity in the fresh-keeping drawer;
a water level detection device for detecting the water level H in the water storage device 1 ；
The vacuum generating device is used for exhausting air to the water storage device or the ice making device;
and the control device is used for controlling the device by adopting the fresh-keeping drawer humidity control method.
Further, the fresh-keeping drawer humidity control system further comprises:
temperature detecting means for detecting temperature T in ice making apparatus 1 。
Further, the fresh-keeping drawer humidity control system further comprises:
a second weight sensor for detecting a weight G of the contents in the ice making device 2 。
Further, the fresh-keeping drawer humidity control system further comprises:
the filter screen grid is arranged at the inner bottom of the fresh-keeping drawer.
Preferably, the water level detecting means includes:
a water-shortage level sensor for detecting and judging whether H is the same 1 ≥H 01 ；
Overflow water level sensor for detecting and judging whether H is 1 Not less than the warning height H 02 。
Preferably, the condensation pooling device comprises:
the low-temperature condensing structure is made of condensing materials and arranged at the top part in the fresh-keeping drawer, and comprises a main body part, wherein the main body part is provided with an outer surface for condensing to generate condensation; and the diversion part is arranged on the main body part and used for guiding the condensation generated by the main body part into the water inlet channel of the water storage device.
Preferably, the vacuum generating device comprises:
the vacuum pump is arranged in the water storage device and/or the ice making device;
the ice making device is provided with a humidifying hole communicated with the water storage device.
The invention also provides a refrigerator comprising the fresh-keeping drawer humidity control system.
Preferably, the refrigerator includes:
a case;
the refrigerating chamber and the freezing chamber are arranged in the box body in an up-and-down separated manner;
the fresh-keeping drawer humidity control system is arranged in the refrigerating chamber.
Compared with the prior art, the invention has the following beneficial effects:
the fresh-keeping drawer humidity control method and the fresh-keeping drawer humidity control system and the refrigerator using the fresh-keeping drawer humidity control method can gather the wet air generated by the respiration and transpiration actions of a refrigerator door switch and stored vegetables and fruits in the fresh-keeping drawer of the refrigerator to the low-temperature outer surface of a condensation collecting device in the fresh-keeping drawer, guide the condensation water to a water storage device to collect and store, and enable the liquid water stored in the water storage device or the solid ice stored in an ice making device to boil into water vapor in a low-pressure state through a vacuum generating device when the stored vegetables and fruits in the fresh-keeping drawer are detected and the air humidity of the stored vegetables and fruits is lower, and monitor the humidity in the fresh-keeping drawer in real time until the humidity reaches the standard, and then close the vacuum generating device; in addition, the bottom of the fresh-keeping drawer is also provided with a filter screen grid to prevent the bottom of the drawer from generating condensation.
In summary, the fresh-keeping drawer humidity control method, the fresh-keeping drawer humidity control system and the refrigerator using the fresh-keeping drawer humidity control method can realize rapid and humidity-controllable humidification of the fresh-keeping drawer when the fresh-keeping drawer has a humidification requirement, and avoid accelerated putrefaction and deterioration of fruits and vegetables stored in the fresh-keeping drawer due to condensation at the bottom or other parts of the drawer.
Drawings
In order to more clearly illustrate the technical solutions proposed by the present invention, the following detailed description is made with reference to the examples and the accompanying drawings, it being understood that the drawings in the following description are only some examples of the present invention and that the variations of these drawings are possible under the concept of the present invention for those of ordinary skill in the art.
Fig. 1 is a schematic perspective view of a fresh-keeping drawer humidity control system applied to a refrigerator;
FIG. 2 is a schematic perspective view of a humidity control system of a fresh keeping drawer according to an embodiment of the present invention;
FIG. 3 is a schematic perspective view of a water storage device of the fresh-keeping drawer humidity control system provided by the invention;
FIG. 4 is a schematic side view of a condensation and collection device of the fresh-keeping drawer humidity control system provided by the invention;
FIG. 5 is a schematic diagram of the system components of an embodiment of the fresh keeping drawer humidity control system provided by the present invention;
FIG. 6 is a schematic diagram of a control flow of an embodiment of a method for controlling humidity in a fresh keeping drawer according to the present invention;
FIG. 7 is a schematic diagram of a control flow of another embodiment of a method for controlling humidity in a fresh keeping drawer according to the present invention;
fig. 8 is a schematic control flow chart of another embodiment of the method for controlling humidity of a fresh-keeping drawer according to the present invention.
Wherein, each reference numeral in the figure mainly marks:
1. a refrigerator; 2. a refrigerating chamber; 3. a temperature changing chamber; 4. a freezing chamber; 5. a fresh-keeping drawer; 51. a condensation collecting device; 511. a flow guiding groove; 52. a humidity detection device; 53. a first weight sensor; 54. a screen grid; 6. an ice making device; 61. a second weight sensor; 62. a temperature detecting device; 7. a water storage device; 71. a vacuum generating device; 72. a water inlet channel; 73. an overflow level sensor; 74. a water-shortage water level sensor; 75. humidification holes.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the embodiments of fig. 1-8.
Referring to fig. 6, the method for controlling humidity of a fresh-keeping drawer provided by the invention comprises the following steps:
s1: when the fresh-keeping drawer 5 is opened, the weight G of the food material in the fresh-keeping drawer 5 is detected 1 Judgment of G 1 Whether or not > preset weight G 01 (preset weight G) 01 I.e. the weight of the weighing part of the fresh-keeping drawer 5), if so, continuing the next step;
s2: opening a water inlet of the water storage device 7, and guiding the condensation generated by the content in the fresh-keeping drawer 5 collected by the condensation collecting device 51 in the fresh-keeping drawer 5 to the water storage device 7 for storage;
s3: detecting initial humidity phi in fresh drawer 5 1 Judging whether phi 1 < first preset humidity phi 01 If yes, continuing the next step;
s4: detecting the water level H in the water storage device 7 1 Determine whether or not H 1 Not less than a preset height H 01 (preset height H) 01 I.e. the water shortage height), if so, continuing the next step;
s5: the vacuum generating device 71 is started to suck air to the water storage device 7, so that the liquid water stored in the water storage device 7 is boiled under the negative pressure environment to open and humidify the fresh-keeping drawer 5.
Referring to fig. 6, in the present embodiment, if H is determined in S4 1 ＜H 01 S5' is performed;
s5': detecting temperature T in ice making device 6 1 Determine whether T 1 < preset temperature T 0 If yes, the vacuum generating device 71 is started to suck air from the ice making device 6 and start the ice making device 6 to make ice, so that the solid ice stored in the ice making device 6 sublimates into the fresh-keeping drawer 5 to be humidified under the negative pressure environment.
Referring to FIG. 7, in one implementation of the present embodiment, if T is determined in S5 1 ＜T 0 The weight G of the content in the ice making device 6 is detected first 2 Determine whether G 2 > preset weight G 02 (preset weight G) 02 Not less than the weight of the weighing part of the ice making device 6), if so (when judging T 1 ＜T 0 When the content weight G in the ice making device 6 is determined 2 > preset weight G 02 The weight G of the content in the ice making device 6 is determined 2 The dead weight of the weighing part of the ice making device 6 is greater than that of the weighing part, so that the ice making device 6 is confirmed to contain fixed ice or ice-water mixture and other contents, the vacuum generating device 71 can be directly started to suck air from the ice making device 6 and simultaneously start the ice making device 6 to make ice, so that the solid ice stored in the ice making device 6 sublimates to realize humidification of the fresh-keeping drawer 5), and the vacuum generating device 71 is started to suck air from the ice making device 6 and simultaneously start the ice making device 6 to make ice;
if not (when judging T 1 ＜T 0 When the content weight G in the ice making device 6 is determined 2 Less than or equal to preset weight G 02 Judging that the weight of the content in the ice making device 6 is less than the preset weight of ice cubes or equal to G 2 The weight of the weighing part of the ice making device 6 confirms that the ice making device 6 has no or insufficient ice block contents such as fixed ice or ice-water mixture, and the ice making device 6 needs to be filled with water and started, and then the vacuum generating device 71 is started to pump the ice making device 6The ice making device 6 is kept open by air to make ice so as to sublimate the solid ice stored in the ice making device 6 to realize humidification of the fresh-keeping drawer 5), water is injected into the ice making device 6 and the ice making is started until G is detected 2 ＞G 02 The vacuum generating device 71 is turned on again to suck air from the ice making device 6 and keep the ice making device 6 turned on.
In another implementation of the present embodiment (as shown in fig. 6), if the determination T is in S5 1 ＜T 0 The weight G of the content in the ice making device 6 is detected first 2 Determine whether G 2 > preset weight G 02 (preset weight G) 02 And the weight of the weighing part of the ice making device 6), and if not, returning to the step S2.
Referring to FIG. 7, in the present embodiment, if T is determined in S5 1 ≥T 0 The weight G of the content in the ice making device 6 is detected 2 Determine whether G 2 ＞G 02 (preset weight G) 02 Not less than the weight of the weighing part of the ice making device 6), if so (when judging T 1 ≥T 0 When the content weight G in the ice making device 6 is determined 2 > preset weight G 02 The weight G of the content in the ice making device 6 is determined 2 The weight of the weighing member of the ice making device 6, confirming that the ice making device 6 contains liquid water or ice water mixture and other contents, and the contents can be further frozen for ice making), and starting the ice making device 6 to make ice until G is detected 2 ＞G 02 Then the vacuum generating device 71 is started to suck air from the ice making device 6;
if not (when judging T 1 ≥T 0 When the content weight G in the ice making device 6 is determined 2 Less than or equal to preset weight G 02 Judging that the weight of the content in the ice making device 6 is less than the preset weight of ice cubes or equal to G 2 The weight of the weighing part of the ice making device 6 confirms that the ice making device 6 has no ice cake contents or insufficient ice cake contents such as fixed ice or ice-water mixture, and the like, and the ice making device 6 is filled with water and started to make ice, and then the vacuum generating device 71 is started to suck air from the ice making device 6, and the ice making device 6 is filled with water and started to make ice until the ice making device 6 detectsG 2 ＞G 02 The vacuum generating device 71 is turned on again to suck air from the ice making device 6 and keep the ice making device 6 turned on.
In one embodiment, the weight G is preset 02 If the weight of the weighing part of the ice making device 6 is greater than the weight G in S5 2 ≤G 02 Injecting water into the ice making device 6 and starting the ice making device 6 to make ice until G 2 ＞G 02 。
Referring to FIG. 8, in another embodiment, the weight G is preset 02 If the weight of the weighing member of the ice making device 6 is determined as T in S5 = 1 ＜T 0 The weight G of the content in the ice making device 6 is detected 2 Determine whether G 2 Not less than the preset weight G 03 (preset weight G) 03 > preset weight G 02 ) If yes (due to preset weight G 03 Preset weight G of weighing part 02 If G 2 ≥G 03 Indicating that the ice cubes in the ice making device 6 are sufficient at this time, the vacuum generating device 71 can be directly started to suck air from the ice making device 6 and start the ice making device 6 to make ice), and the ice making device 6 is started to make ice;
if not (due to preset weight G 03 Preset weight G of weighing part 02 If G 2 ＜G 03 It is indicated that the ice blocks in the ice making device 6 are insufficient or no, and water is injected into the ice making device 6 and the ice is made until G 2 ≥G 03 Then the vacuum generating device 71 is started to suck air from the ice making device 6 and keep the ice making device 6 to make ice, then water is injected into the ice making device 6 and the ice making device 6 is started to make ice until G 2 ≥G 03 The re-vacuum generating device 71 sucks air from the ice making device 6 and holds the ice making device 6 for making ice.
Referring to FIG. 8, in another embodiment, the weight G is preset 02 If the weight of the weighing member of the ice making device 6 is determined as T in S5 = 1 ≥T 0 The weight G of the content in the ice making device 6 is detected 2 Determine whether G 2 Not less than the preset weight G 03 (preset weight G) 03 > preset weight G 02 ) If yes (due to preset weight G 03 Weighing componentIs set to a preset weight G 02 If G 2 ≥G 03 Indicating that the ice cubes in the ice making device 6 are sufficient at this time, the ice making device 6 can be directly started to make ice), and the ice making device 6 is started to make ice;
if not (due to preset weight G 03 Preset weight G of weighing part 02 If G 2 ＜G 03 It is explained that the ice cubes in the ice making device 6 are insufficient or no ice cubes are required to be injected into the ice making device 6 and made until G 2 ≥G 03 Then the vacuum generating device 71 is started to suck air from the ice making device 6, water is injected into the ice making device 6 and the ice making device 6 is started to make ice until G 2 ≥G 03 The vacuum generating device 71 is restarted to suck air from the ice making device 6 and keep the ice making device 6 to make ice.
Referring to fig. 6-8, in this embodiment, after S5, the method further includes:
s6: detecting the humidity phi of the fresh-keeping drawer 5 2 Judging whether phi 2 More than or equal to the second preset humidity phi 02 If so, the vacuum generating device 71 stops the suction to shut off the humidification.
In the present embodiment, T 0 The value range of (2) is-1 to-5 ℃.
As a preferred embodiment, T 0 ＝-5℃。
Specifically, the functions corresponding to the parameters of the humidity control method of the fresh-keeping drawer 5 are shown in the following table:
functional mode Working conditions Corresponding parameters
Water storage function G 1 ＞G 01 H
Ice making function T 1 ＞T 0 ，G 2 ＞G 02 T、G
Humidification function Φ 1 ＜Φ 01 Φ
Wherein phi is 2 ＞Φ 02 ＞Φ 1 ＞Φ 01 ，G 2 ＞G 02 ，G 1 ＞G 01 Preferably T 0 = -5 ℃, preset weight G 01 And G 02 All refer to the weight of the weighing cell when no load is present.
As a preferred embodiment, Φ 01 50% humidity, phi 02 Is 85% moisture. G 01 And G 02 Related to the material, density, and size of the corresponding weighing components in the fresh drawer 5 and the ice making device 6.
Referring to fig. 1-5, the present invention further provides a humidity control system for a fresh-keeping drawer, comprising:
an ice making device 6, a water storage device 7 and a fresh-keeping drawer 5; the condensation collecting device 51 is used for collecting condensation generated by food materials placed in the fresh-keeping drawer 5 and guiding the condensation into the water storage device 7 for storage; a first weight sensor 53 for detecting the weight G of the food material placed in the fresh drawer 5 1 To confirm whether food materials are stored in the fresh-keeping drawer 5; humidity detection means 52 (preferably a humidity sensor) for detecting the humidity in the fresh drawer 5 to confirm whether the fresh drawer 5 has a humidification demand; water level detecting means for detecting a water level height H in the water storage means 7 1 The method comprises the steps of carrying out a first treatment on the surface of the A vacuum generating device 71 for exhausting air from the water storage device 7 or the ice making device 6; control device(not shown in the figure) the above-mentioned device is controlled by adopting the above-mentioned fresh-keeping drawer 5 humidity control method.
Referring to fig. 1 and 2, in this embodiment, the fresh-keeping drawer humidity control system further includes:
a temperature detecting means 62 (preferably a temperature sensor) for detecting a temperature T in the ice making device 6 1 To ensure the ice making module to realize the ice making function and the ice making progress, so that when the water storage device 7 is in a water shortage state, the vacuum generating device 71 can pump air to the inner space of the ice making device 6 to generate negative pressure/vacuum treatment, thereby realizing the rapid humidifying operation for the fresh-keeping drawer 5.
Referring to fig. 1 and 2, in this embodiment, the fresh-keeping drawer humidity control system further includes:
a second weight sensor 61 for detecting a content weight G in the ice making device 6 2 According to G 2 The change of (2) confirms the consumption degree of the ice cubes, and ensures that the feedback control device controls the opening of the ice making device 6 to make ice when the ice cubes are insufficient.
Referring to fig. 2, in the present embodiment, the fresh-keeping drawer humidity control system further includes:
the filter screen grid 54 is arranged at the inner bottom of the fresh-keeping drawer 5.
In general, fruit and vegetable food materials are placed in the fruit and vegetable box of the fresh-keeping drawer 5, and because the bottom of the fruit and vegetable box, which contacts the fruit and vegetable food materials, is blocked from ventilation, condensation at the bottom is difficult to evaporate and diffuse into the fresh-keeping drawer 5 of the refrigerator 1 and the external space thereof, so that condensation water is accumulated at the bottom of the fruit and vegetable box of the fresh-keeping drawer 5 to easily cause accelerated putrefaction and deterioration of vegetables; the filter screen grids 54 are hollow structures and separate the fruit and vegetable food materials from the bottom of the fruit and vegetable box of the fresh-keeping drawer 5, so that the wet air at the bottom of the fruit and vegetable box can be spread to the top of the fresh-keeping drawer 5, and condensation water is prevented from accumulating at the bottom of the fruit and vegetable.
As a preferred embodiment, the filter screen grid 54 is detachably mounted to the bottom of the fresh-keeping drawer 5 through a connection structure such as a buckle or a screw, so that a user can quickly detach and clean the filter screen grid 54 from the fresh-keeping drawer 5 at any time.
Referring to fig. 1-3, in the present embodiment, the water level detecting apparatus includes:
a water-shortage level sensor 74 for detecting and judging whether H is present 1 ≥H 01 Avoiding the water storage device 7; an overflow level sensor 73 for detecting and judging whether H is 1 Not less than the warning height H 02 . If judge H 1 ≥H 02 The feedback control means controls the closing of the water inlet channel 72 of the water storage means 7.
Referring to fig. 2 and 4, in the present embodiment, the condensation collection device 51 includes:
the low-temperature condensing structure is made of condensing materials and arranged at the top part in the fresh-keeping drawer 5, and comprises a main body part, wherein the main body part is provided with an outer surface for condensing to generate condensation; and a diversion part arranged on the main body part and used for guiding the condensation generated by the main body part into the water inlet channel 72 of the water storage device 7.
As a preferred embodiment, the cryocondensation structure is made of a condensation material such as a metal material.
Referring to fig. 2-4, in this embodiment, the main body is in a vertical plate shape, and the edges of two ends of the main body are relatively thickened to prevent condensed water from falling into the fresh-keeping drawer 5 from the main body; the diversion part is a diversion groove 511 arranged at the bottom end of the main body part, the diversion groove 511 is communicated with a water inlet channel 72 arranged in the water storage device 7, and condensate water is drained into the water storage device 7 through the water inlet channel 72 for collection and storage.
Referring to fig. 1-3, in the present embodiment, the vacuum generating device 71 includes:
a vacuum pump provided in the water storage device 7 and/or the ice making device 6; the water storage device 7 and the ice making device 6 are respectively provided with a humidifying hole 75, and the humidifying holes 75 are used for diffusing water vapor generated by sublimating ice cubes when the vacuum pump performs air suction operation on the water storage device 7 and/or the ice making device 6 to the fresh-keeping drawer 5.
Referring to fig. 1 and 2, in the present embodiment, the casing of the ice making device 6 and the water storage device 7 adopt a sealing structure and are mutually communicated through a connecting channel (not shown in the figure), and the connecting channel connecting the ice making device 6 and the water storage device 7 can be opened and closed through a switch valve (not shown in the figure), so that when the fresh keeping drawer 5 has a humidification requirement, the vacuum degree of the internal spaces of the ice making device 6 and the water storage device 7 can be reduced by the vacuum generating device 71 (at the moment, the vacuum pump can be arranged in the ice making device 6 or the water storage device 7) respectively independently or simultaneously (at the moment, the vacuum pump can be arranged in the ice making device 6 or the water storage device 7), and a negative pressure/vacuum environment is formed in the internal space, so that the solid ice in the ice making device 6 or the liquid water in the water storage device 7 can be sublimated or evaporated quickly and boiled under the negative pressure/vacuum and become water vapor, and a quick and controllable humidification operation can be provided for the fresh keeping drawer 5.
Referring to fig. 1, the invention further provides a refrigerator 1, which comprises the fresh-keeping drawer humidity control system.
Referring to fig. 1, in the present embodiment, a refrigerator 1 includes:
a case; the refrigerating chamber and the freezing chamber 4 are arranged in the box body in an up-and-down separation way; the fresh-keeping drawer humidity control system is arranged in the refrigerating chamber.
In this embodiment, the control device is a central control device of the refrigerator 1.
In other embodiments, the control device may be a control device independently provided for the fresh-keeping drawer humidity control system.
Referring to fig. 1, in the present embodiment, the refrigerator 1 further includes:
and a temperature changing compartment 3 provided between the refrigerating compartment and the freezing compartment 4.
According to the fresh-keeping drawer 5 humidity control method and the fresh-keeping drawer humidity control system and the refrigerator 1 using the fresh-keeping drawer 5 humidity control method, wet air generated by the respiration and transpiration of a door switch of the refrigerator 1 and stored vegetables and fruits in the fresh-keeping drawer 5 of the refrigerator 1 can be gathered to the low-temperature outer surface of the condensation collecting device 51 in the fresh-keeping drawer 5 to be condensed into liquid condensation water, the condensation collecting device 51 guides the condensation water to the water storage device 7 to be collected and stored, when the fruits and vegetables and food materials stored in the fresh-keeping drawer 5 are detected and the air humidity of the fruits and vegetables and food materials is lower, the liquid water stored in the water storage device 7 or the solid ice stored in the ice making device 6 is boiled to be steam in a low-pressure state through the vacuum generating device 71, the humidity in the fresh-keeping drawer 5 is monitored in real time until the humidity reaches the standard, and then the vacuum generating device 71 is closed; in addition, the filter screen grids 54 are additionally arranged at the bottom of the fresh keeping drawer 5 to prevent condensation from generating at the bottom of the drawer.
In summary, the method for controlling humidity of the fresh-keeping drawer 5 and the fresh-keeping drawer humidity control system and the refrigerator 1 using the same provided by the invention can realize rapid and humidity-controllable humidification of the fresh-keeping drawer 5 when the fresh-keeping drawer 5 has a humidification demand, and avoid accelerated putrefaction and deterioration of fruits and vegetables stored in the fresh-keeping drawer 5 due to condensation at the bottom of the drawer or other parts.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.

Claims (14)

1. A method for controlling humidity of a fresh-keeping drawer, which is characterized by comprising the following steps:
s1: when the fresh-keeping drawer is opened, the weight G of food materials in the fresh-keeping drawer is detected 1 Judgment of G 1 Whether or not > preset weight G 01 If yes, continuing the next step;
s2: opening a water inlet channel of a water storage device, and guiding condensation generated by food materials in the fresh-keeping drawer collected by a condensation collecting device in the fresh-keeping drawer to the water storage device for storage;
s3: detecting initial humidity phi in fresh-keeping drawer 1 Judging whether phi 1 < first preset humidity phi 01 If yes, continuing the next step;
s4: detecting the water level H in a water storage device 1 Determine whether or not H 1 Not less than a preset height H 01 If yes, continuing the next step;
s5: and starting the vacuum generating device to pump air to the water storage device so that liquid water stored in the water storage device boils in a negative pressure environment to open and moisten the fresh-keeping drawer.
2. The method of claim 1, wherein if judging H in S4 1 ＜H 01 S5' is performed;
s5': detecting temperature T in an ice making device 1 Determine whether T 1 < preset temperature T 0 If so, starting the vacuum generating device to suck air to the ice making device, so that the liquid water stored in the water storage device boils in a negative pressure environment to moisten the fresh-keeping drawer.
3. The method of claim 2, wherein if determining T in S5 1 ≥T 0 Then the weight G of the content in the ice making device is detected 2 Determine whether G 2 > preset weight G 02 If yes, starting the ice making device to make ice.
4. A method of controlling humidity in a fresh food drawer according to any one of claims 1 to 3 wherein S5 further comprises:
s6: detecting humidity phi of change in fresh-keeping drawer 2 Judging whether phi 2 More than or equal to the second preset humidity phi 02 If yes, the vacuum generating device stops pumping air to close humidification.
5. A method of controlling humidity in a fresh food drawer according to any one of claims 1 to 3 wherein T is 0 The value range of (2) is-1 to-5 ℃.
6. A fresh keeping drawer humidity control system, comprising:
the ice making device, the water storage device and the fresh-keeping drawer;
the condensation collecting device is used for collecting condensation generated by food materials placed in the fresh-keeping drawer and guiding the condensation into the water storage device for storage;
a first weight sensor for detecting the weight G of the food material placed in the fresh-keeping drawer 1 ；
The humidity detection device is used for detecting the humidity in the fresh-keeping drawer;
the water level detection device is used for detecting the water level height in the water storage device;
the vacuum generating device is used for exhausting air from the water storage device or the ice making device;
a control device for controlling the device by adopting the fresh-keeping drawer humidity control method as claimed in any one of claims 1 to 5.
7. The fresh drawer humidity control system of claim 6, further comprising:
temperature detecting means for detecting temperature T in ice making apparatus 1 。
8. The fresh drawer humidity control system of claim 7, further comprising:
a second weight sensor for detecting a weight G of the contents in the ice making device 2 。
9. The fresh food drawer humidity control system of any one of claims 6-8, further comprising:
the filter screen grid is arranged at the inner bottom of the fresh-keeping drawer.
10. The fresh food drawer humidity control system of any one of claims 6-8, wherein the water level detection device comprises:
a water-shortage level sensor for detecting and judging whether H is the same 1 ≥H 01 ；
Overflow water level sensor for detecting and judging whether H is 1 Not less than the warning height H 02 。
11. The fresh food drawer humidity control system of any one of claims 6 to 8 wherein the condensation pooling device comprises:
the low-temperature condensation structure is made of condensation materials and arranged at the top part in the fresh-keeping drawer, and comprises a main body part, wherein the main body part is provided with an outer surface for condensation to generate condensation; and the diversion part is arranged on the main body part and used for guiding the condensation generated by the main body part into the water inlet channel of the water storage device.
12. The fresh food drawer humidity control system of any one of claims 6 to 8 wherein the vacuum generating means comprises:
the vacuum pump is arranged in the water storage device and/or the ice making device;
the ice making device is provided with a humidifying hole communicated with the water storage device.
13. A refrigerator comprising a fresh drawer humidity control system according to any one of claims 6 to 12.
14. The refrigerator of claim 13, wherein the refrigerator comprises:
a case;
the refrigerating chamber and the freezing chamber are arranged in the box body in an up-and-down separation manner;
the fresh-keeping drawer humidity control system is arranged in the refrigerating chamber.
CN202311682768.7A 2023-12-08 2023-12-08 Fresh-keeping drawer humidity control method, fresh-keeping drawer humidity control system using same and refrigerator Pending CN117516057A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311682768.7A CN117516057A (en) 2023-12-08 2023-12-08 Fresh-keeping drawer humidity control method, fresh-keeping drawer humidity control system using same and refrigerator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311682768.7A CN117516057A (en) 2023-12-08 2023-12-08 Fresh-keeping drawer humidity control method, fresh-keeping drawer humidity control system using same and refrigerator

Publications (1)

Publication Number Publication Date
CN117516057A true CN117516057A (en) 2024-02-06

Family

ID=89745629

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311682768.7A Pending CN117516057A (en) 2023-12-08 2023-12-08 Fresh-keeping drawer humidity control method, fresh-keeping drawer humidity control system using same and refrigerator

Country Status (1)

Country Link
CN (1) CN117516057A (en)

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