CN212362552U - Multifunctional storage chamber and refrigerator with same - Google Patents
Multifunctional storage chamber and refrigerator with same Download PDFInfo
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- CN212362552U CN212362552U CN201922161112.6U CN201922161112U CN212362552U CN 212362552 U CN212362552 U CN 212362552U CN 201922161112 U CN201922161112 U CN 201922161112U CN 212362552 U CN212362552 U CN 212362552U
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- 238000004781 supercooling Methods 0.000 abstract description 40
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- 235000002732 Allium cepa var. cepa Nutrition 0.000 description 1
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Abstract
The utility model relates to the technical field of refrigeration and preservation, and provides a multifunctional storage compartment and a refrigerator with the same, wherein the multifunctional storage compartment comprises a storage box, and a multifunctional storage space is formed inside the storage box; an external cooling chamber disposed outside the storage box; the external cooling chamber performs air cooling to the outer wall surface of the storage box. The storage box is also provided with an air supply mechanism which directly supplies cold air to the multifunctional storage space, and the air supply mechanism is provided with a direct air supply outlet on the storage box to directly supply cold air to the storage space; the multifunctional storage compartment is also provided with a main air supply duct, the main air supply duct is provided with an evaporator, the air supply mechanism is provided with a first air duct connected with the main air supply duct, and the external cooling chamber is provided with a second air duct connected with the main air supply duct; a first air door is arranged on the first air channel, and a second air door is arranged on the second air channel. By controlling the opening and closing of the first air door and/or the second air door, the functions of fruit and vegetable fresh keeping, dry goods storage, short-term meat storage and long-term meat supercooling storage are realized in one compartment at the same time.
Description
Technical Field
The utility model relates to a refrigeration technical field that keeps fresh, the utility model provides a function storing compartment and have its refrigerator, it is specific, the utility model provides a refrigerator and its multi-functional storing compartment that can realize humidity and temperature control.
Background
The traditional refrigerator generally adopts forced convection circulation of cold air to indirectly cool food, the humidity of a refrigerating chamber of the traditional refrigerator can only be maintained at about 50 percent or even lower, the humidity cannot meet the requirement of a user for storing fruits and vegetables, the independent chambers of some refrigerators can realize the adjustment of different humidity to store fruits and vegetables, the independent chambers of some refrigerators can realize the storage of dry goods, but the storage of the fruits and vegetables and the dry goods cannot be realized in the same chamber according to the requirement of the user, and the short-term low-temperature storage of meat and the freezing storage of the meat through the supercooling process are realized. The prior art has the following problems:
(1) the single function of storing fruits and vegetables or dry goods and meat that can realize different humidity can be adjusted can not realize multiple fresh-keeping function according to user's selection.
(2) When the humidity of the chamber is adjusted, the quantity of the adjustable humidity regions of the chamber is small, the humidity change range of each humidity region is large, and the storage requirements of different fruits and vegetables and different dry goods on different humidity of the storage chamber cannot be met.
(3) The meat storage function is single, and only short-term or long-term storage can be realized, and short-term and long-term storage cannot be realized in one compartment at the same time.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a refrigerator and multi-functional storing compartment and refrigerator's control method thereof. The utility model provides a refrigeratable multi-functional storing room realizes satisfying different vegetables and dry goods in same multi-functional storing room and requires the humidity of storage. The multifunctional storage chamber also has short-term and long-term meat storage functions.
Specifically, the method comprises the following steps:
the utility model relates to a multi-functional storing compartment, include:
the storage box is internally provided with a multifunctional storage space;
an external cooling chamber disposed outside the storage box;
the external cooling chamber carries out air cooling to the outer wall surface of the storage box;
the heat conduction function is formed between the outer wall surface and the inner wall surface of the storage box, and the heat radiation function is applied to the storage in the storage box body;
when the external cooling chamber carries out the air cooling to the storage box outer wall face, the outer wall face of storage box can be with the internal face of air cooling cold volume heat conduction to the storage box, and the internal face of storage box can be applyed the cold volume of conducting to the internal face of storage box for the storing in its box with the heat radiation form.
Further optionally, the storage box is further provided with an air supply mechanism for directly supplying cold air to the multifunctional storage space, and the air supply mechanism is provided with a direct air supply outlet on the inner wall of the storage box for directly supplying cold air to the storage space; the multifunctional storage compartment is also provided with a main air supply duct, the main air supply duct is provided with an evaporator, the air supply mechanism is provided with a first air duct connected with the main air supply duct, and the external cooling chamber is provided with a second air duct connected with the main air supply duct; a first air door is arranged on the first air channel, and a second air door is arranged on the second air channel.
Further optionally, the external cooling chamber is provided with a cold air spraying structure, and the cold air spraying structure is arranged opposite to the outer wall surface of the storage box;
the external cooling chamber sprays cold air uniformly onto the outer wall surface of the storage box through the cold air spraying mechanism.
Further optionally, the cold air spraying structure is a porous air supply plate, the porous air supply plate is arranged at an air outlet of the external cooling chamber, and an air inlet of the external cooling chamber is connected with the second air duct.
Further optionally, the storage box comprises a box body main body with an upward opening and a cover plate covering the opening of the box body main body, and the box body main body and the cover plate are covered together to form a multifunctional storage space; the cold air spraying structure arranged in the external cooling chamber is arranged at the position right opposite to the cover plate.
Further optionally, a downward connecting plate is formed at the edge of the rear side of the cover plate of the storage box, a direct air supply outlet is formed in the connecting plate and directly supplies cold air to the storage space, and the direct air supply outlet is connected with the first air channel.
Further optionally, the box main body comprises a bottom plate and side plates, a groove matched with the connecting plate in shape is formed in one side plate, and when the box main body is covered with the cover plate, the connecting plate and the groove are in sealing fit.
Further optionally, a metal plate is used for the portion of the storage compartment cover plate opposite the external cooling compartment and/or the bottom plate of the storage compartment.
The utility model discloses still relate to a refrigerator, this refrigerator possesses the utility model arbitrary multi-functional storing room.
The utility model discloses still relate to a control method of refrigerator, this refrigerator possesses the multi-functional storing room, this control method adjusts the humidity and/or the temperature of multi-functional storing room through the air supply of controlling first air door and second air door.
Further optionally, the control method of the refrigerator comprises the following humidity control steps:
A-S1: n humidity gears are preset in the multifunctional storage chamber according to different requirements of stored objects on air humidity, n is more than or equal to 1, and n is a natural number; the smaller the n value is, the larger the preset air humidity in the corresponding storage box is; wherein i is any humidity gear of n humidity gears, i is more than or equal to 1 and less than or equal to n, and i is a natural number; selecting a humidity gear according to the requirement on air humidity when the stored objects in the storage box are stored;
A-S2: in the ith humidity gear, controlling a first air door to open and close periodically to control the humidity of the storage box, wherein the preset single-period opening time of the first air door is ti, and the preset single-period closing time is ti'; setting the preset single-period opening time ti to be shorter when the value of i is larger and longer when the value of i is larger in n humidity gears, and setting the preset single-period closing time ti' to be longer when the value of i is larger;
and meanwhile, in the ith humidity gear, the opening and closing of the second air door are controlled according to the preset temperature Ti of the multifunctional storage chamber, so that the temperature of the multifunctional storage chamber is controlled.
Further optionally, the control method of the refrigerator comprises the following storage time period control steps:
B-S1: selecting a storage time length control gear according to the storage time requirement of stored objects in the storage box during storage, wherein the multifunctional storage compartment is provided with a first storage time length gear and a second storage time length gear, and the first storage time length is smaller than the second storage time length;
and B-S2a, when the multifunctional storage compartment is in the first storage long-time gear, the opening and closing of the first air door and the second air door are simultaneously controlled according to the preset temperature Ta of the multifunctional storage compartment.
Further optionally, the control method of the refrigerator comprises the following control steps:
B-S2B, when the multifunctional storage compartment is in the second storage long-time gear, the multifunctional storage compartment comprises the following three temperature control processes: a supercooling staged cooling process, a supercooling relieving process and a conventional refrigeration preservation process;
supercooling and cooling stage by stage: the first air door is controlled to be closed in the sub-cooling staged cooling process, the sub-cooling process comprises m cooling stages, m is more than or equal to 1 and is a natural number, and each cooling stage of the m cooling stages controls the opening and closing of the second air door according to the preset temperature Tm of the cooling stage; and running for a preset time tm at each cooling stage in the supercooling and cooling process.
Further optionalM cooling stages in the control method of the refrigerator are divided into stages 1, … … j and … … m, wherein the j cooling stage represents any stage of the m cooling stages, j is more than or equal to 1 and less than or equal to m, m is a natural number and is more than or equal to 1, and the second air door is controlled to be opened and closed according to the preset temperature Tj of the cooling stage, namely T is used for controlling the opening and closing of the second air doorONj＝Tj+TB1And/2 is taken as the starting temperature point of the second air door in the j stage and is Toffj＝TONj-TB2[ j 2 ] as the shutdown temperature point of the second damper in the j-th stage, TB1Indicates the starting point floating temperature T of the multifunctional storage chamber in the starting process of the compressorB2Temperature difference between start and stop of multifunctional storage chamber, TONj>Tj>Toffj；
In the j stage:
when the temperature of the multifunctional storage chamber reaches TONj＝Tj+TB1When the air pressure is higher than the preset pressure, controlling the second air door to be opened when the air pressure is higher than the preset pressure;
when the temperature of the multifunctional storage chamber reaches Toffj＝TONj-TB2And at/2, controlling the second air door to be closed.
Further optionally, in the sub-cooling staged cooling process, the compressor operates at the second rotation speed M2 in the 1 st cooling stage, and after the 1 st cooling stage is finished, the compressor operates at the first rotation speed M1, where M1 is less than M2.
Further optionally, the control method of the refrigerator is that in the 1 st cooling stage in the supercooling staged cooling process, the temperature is 5 ℃ or more and T1 is more than 0 ℃;
t2<0 ℃ when Tj does not comprise T1.
Further optionally, the control method of the refrigerator comprises:
in the supercooling release process:
controlling the second air door to be in a closed state all the time;
controlling the compressor to operate at a second rotating speed M2;
controlling the first air door to carry out on-off control on the first air door according to the preset temperature Tb in the supercooling removing process, namely controlling the first air door to be TONb＝Tb+TB1And/2 is taken as the starting temperature point of the second air door in the j stage and is Toffb＝TONb-TB2[ j 2 ] as the shutdown temperature point of the second damper in the j-th stage, TB1Indicates the starting point floating temperature T of the multifunctional storage chamber in the starting process of the compressorB2Temperature difference between start and stop of multifunctional storage chamber, TONb>Tb>Toffb；
Namely: when the temperature of the multifunctional storage chamber reaches TONb＝Tb+TB1When the air pressure is higher than the preset pressure, controlling the first air door to open when the air pressure is higher than the preset pressure;
when the temperature of the multifunctional storage chamber reaches Toffb＝TONb-TB2And at/2, controlling the first air door to be closed.
The supercooling release process is controlled to run for the tb time.
Further optionally, the control method of the refrigerator is that in the conventional refrigeration preservation process:
controlling the first air door to be in a closed state;
controlling the rotating speed of the compressor to be reduced to a first rotating speed M1, and keeping the first rotating speed M1 running in the conventional refrigeration preservation process;
controlling the second air door to carry out on-off control on the second air door according to the preset temperature Tc in the conventional refrigeration preservation process, namely controlling the second air door to be opened and closed according to TONc＝Tc+TB1And/2 is taken as the starting temperature point of the second air door and is Toffc＝TONc-TB2/2 as the shutdown temperature point for the second damper, where TB1Indicates the starting point floating temperature T of the multifunctional storage chamber in the starting process of the compressorB2Temperature difference between start and stop of multifunctional storage chamber, TONc>Tc>Toffc；
Namely: when the temperature of the multifunctional storage chamber reaches TONc＝Tc+TB1When the air pressure is higher than the preset pressure, controlling the second air door to be opened when the air pressure is higher than the preset pressure;
when the temperature of the multifunctional storage chamber reaches Toffc＝TONc-TB2And at/2, controlling the second air door to be closed.
Further optionally, in the control method of the refrigerator: when the multifunctional storage chamber is in the second storage long-time gear, the rotating speed of a refrigerating fan of the multifunctional storage chamber is controlled to be kept unchanged in the supercooling staged cooling process, the supercooling relieving process and the conventional refrigerating and storing process.
Advantageous effects
The multifunctional storage compartment in the refrigerator is provided with a storage box body and an air supply outlet for directly supplying air to the storage box body; and the external cooling chamber is used for carrying out air cooling on the outer wall surface of the storage box through a cold air spraying structure. The opening and closing of the first air door of the air duct where the air supply port for directly supplying air is controlled aims at adjusting the humidity in the storage box body, and the opening and closing of the second air door of the air duct where the cold air spraying structure is controlled aims at controlling the temperature of food in the multifunctional storage chamber and the storage box body. To sum up, the utility model discloses can realize the function of fruit vegetables fresh-keeping, dry goods storage, short-term meat storage, long-term meat supercooling storage in a room. The user can select the storage function according to actual requirements, and user experience is enhanced.
The utility model discloses it is fresh-keeping to the fruit vegetables can realize having the fruit vegetables of different storage requirements to different humidity. The utility model discloses can realize short-term and long-term storage to meat and realize in a room simultaneously, convenience of customers carries out the storage of meat according to the life of meat. The first air door, the second air door and the rotating speed of the compressor can be controlled to realize that meat in the storage box body enters the supercooling process, supercooling freezing storage is realized, and the effects of fresh keeping and flavor preservation of meat food are enhanced.
Drawings
The above and other objects, features and advantages of the present disclosure will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings. The drawings described below are only some embodiments of the present disclosure, and other drawings can be obtained by those skilled in the art without inventive efforts.
Fig. 1 is a schematic view of the overall structure of a refrigerator in embodiment 1 of the present invention;
fig. 2 is a schematic structural view of a part of the multifunctional storage compartment of the refrigerator in embodiment 1 of the present invention;
FIG. 3 is a schematic view of a main structure of a box body in a storage box according to embodiment 1 of the present invention;
fig. 4 is a front view of a cover plate structure in a storage box according to embodiment 1 of the present invention;
fig. 5 is a left side view of the cover plate structure in the storage box according to embodiment 1 of the present invention;
fig. 6 is a right side view of the cover plate structure in the storage box according to embodiment 1 of the present invention;
fig. 7 is a top view of a cover plate structure in a storage box according to embodiment 1 of the present invention;
fig. 8 is a schematic structural view of a metal plate in a storage box according to embodiment 1 of the present invention;
fig. 9 is a front view of the structure of the cooling air spraying structure in embodiment 1 of the present invention;
fig. 10 is a left side view of the structure of the cooling air spraying structure in embodiment 1 of the present invention;
fig. 11 is a right side view of the structure of the cooling air spraying structure in embodiment 1 of the present invention;
fig. 12 is a top view of the cooling air spraying structure in embodiment 1 of the present invention;
fig. 13 is a schematic diagram of the control logic in embodiment 2 of the present invention;
in the figure:
refrigerator-1000; a refrigerating chamber-100; a multifunctional storage chamber-200; freezing chamber-300;
a multifunctional storage chamber-200; a temperature sensor-210; a cold air spraying structure-220; an external cooling chamber air outlet-221; an external cooling chamber blow hole-222; an air duct-223 of the air supply plate;
a storage box-230; a case body-231; a cover-232; a direct air supply outlet-233; a groove-234; a first seal assembly-235; a second seal assembly-236; a metal plate-237; a side plate-238; a bottom plate-239;
an external cooling chamber-240;
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the embodiments of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise, and "a plurality" typically includes at least two, but does not exclude the presence of at least one.
It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.
[ example 1 ]
In the present embodiment, a structure of a refrigerator having a multifunctional storage compartment and a method for controlling humidity of the multifunctional storage compartment in the refrigerator with respect to the compartment will be mainly described in detail.
As shown in fig. 1, the overall structure of the refrigerator according to the present embodiment is schematically illustrated, and the middle refrigerator 1000 of the present invention is provided with a refrigerating chamber 100, a multifunctional storage compartment 200, and a freezing chamber 300.
Referring to fig. 2 to 12, a specific structure of the multifunctional storage compartment of the present embodiment is shown, and specific structures and functions of the multifunctional storage compartment, a storage box therein, and an external cooling chamber disposed outside the storage box in the multifunctional storage compartment will be described in detail with reference to fig. 2 to 12.
This embodiment relates to a multi-functional storing room, includes:
a storage box 230 having a multifunctional storage space therein;
an external cooling chamber 240 provided outside the storage compartment 230;
the external cooling chamber performs air cooling to the outer wall surface of the storage box 230;
the heat conduction function is formed between the outer wall surface and the inner wall surface of the storage box, and the heat radiation function is applied to the storage in the storage box body;
when the external cooling chamber carries out the air cooling to the storage box outer wall face, the outer wall face of storage box can be with the internal face of air cooling cold volume heat conduction to the storage box, and the internal face of storage box can be applyed the cold volume of conducting to the internal face of storage box for the storing in its box with the heat radiation form.
The storage box 230 is also provided with an air supply mechanism which directly supplies cold air to the multifunctional storage space, and the inner wall of the storage box of the air supply mechanism is provided with a direct air supply outlet 233 which directly supplies cold air to the storage space; the multifunctional storage compartment is also provided with a main air supply duct, the main air supply duct is provided with an evaporator, the air supply mechanism is provided with a first air duct connected with the main air supply duct, and the external cooling chamber 240 is provided with a second air duct connected with the main air supply duct; a first air door is arranged on the first air channel, and a second air door is arranged on the second air channel.
As shown in fig. 2, a temperature sensor 210 is disposed in the multifunctional storage compartment 200, and in this embodiment, the temperature sensor 210 is used to monitor the temperature of an external cooling chamber 240 disposed outside the storage box. In the present embodiment, the temperature sensor 210 measures the temperature of the external cooling chamber 240 disposed outside the storage box, thereby indirectly monitoring the temperature of the stored object in the chamber.
Furthermore, a temperature sensor for detecting food can be arranged in a specific implementation scene, so that the temperature of the stored objects in the multifunctional storage chamber can be monitored.
The multifunctional storage compartment is provided with a storage box 230, one end of a first air door arranged on the first air channel is connected with a main air supply channel provided with an evaporator, and the other end of the first air door is connected with the storage box 230; when the first air door is closed, the first air door and the storage box form a sealed multifunctional storage space, and when the first air door is opened, the storage box 230 is communicated with the main air supply duct;
the storage box 230 comprises a box body 231 with an upward opening and a cover plate 232 covering the opening of the box body, and the box body 231 and the cover plate 232 are covered together to form a multifunctional storage space; the cold air spraying structure 220 provided in the external cooling chamber 240 is disposed at a position opposite to the cover plate.
The edge of the rear side of the cover plate 232 of the storage box 230 forms a downward connecting plate, a direct air supply outlet 233 is formed on the connecting plate to directly supply cold air to the storage space, and the direct air supply outlet 233 is connected with the first air duct.
The casing body 231 includes a bottom plate 239 and a side plate 238, a groove 234 having a shape adapted to the connecting plate is formed in the side plate 238, and when the casing body 231 is covered with the cover plate 232, the connecting plate having the direct air blowing port 233 is sealingly engaged with the groove 234. This is only a form of arrangement of the direct air blowing port 233 for realizing the embodiment, and it is not understood that the structure of the only direct air blowing port of the present invention is realized, and the direct air blowing port 233 may be further provided on the case body 231.
The part of the storage box cover plate opposite to the external cooling chamber and/or the bottom plate of the storage box are made of metal plates.
In this embodiment, the bottom plate 239 of the storage box 230 is a metal plate 237 or a metal plate 237 is disposed on the bottom plate of the storage box 230.
Preferably, the metal plate 237 is an aluminum metal plate. The aluminum metal plate has the beneficial effects that the aluminum metal plate conducts heat quickly, and food placed on the bottom plate 239 can be better assisted to be cooled and radiated.
The side plate 238 is provided with a first sealing assembly 235, the storage box cover plate 232 is provided with a second sealing assembly 236, and the sealing effect when the cover plate 232 and the box body 231 are closed is realized through the mutual matching of the first sealing assembly 235 and the second sealing assembly 236.
In this embodiment, as shown in fig. 3-7, the first sealing component 235 of the side plate 238 is four locking slots disposed on the side plate 238 at an end far from the bottom plate 239, the cover plate 232 is disposed with a second sealing component 236 corresponding to the first sealing component 235, and the second sealing component 236 is four fasteners disposed on the cover plate 232. The cover plate 232 and the box body 231 are sealed and connected when the buckle and the clamping groove are matched and clamped.
The external cooling chamber 240 is provided with a cold air spraying structure 220 which is arranged opposite to the outer wall surface of the storage box;
the external cooling chamber sprays cold air uniformly onto the outer wall surface of the storage box through the cold air spraying mechanism 220.
In this embodiment, specifically, the cold air spraying structure 220 is a porous air supply plate, and the cold air spraying structure 220 is further disposed at the top of the multifunctional storage compartment 220 and opposite to the cover plate 232 of the storage box 230. The air inlet of the porous air supply plate is arranged at the air outlet 221 of the external cooling chamber, and the air inlet of the external cooling chamber is connected with the second air duct.
The cold air spraying structure 220 is provided with an external cooling chamber air outlet 221 and an air supply plate air duct 223, one end of a second air door arranged on the second air duct is connected with the main air supply duct, and the other end of the second air door is connected with the air supply plate air duct 223 through the external cooling chamber air outlet 221; when the second air door is opened, the external cooling chamber is communicated with the main air supply passage.
In this embodiment, the cold air spraying structure 220 includes an air outlet 221 of the external cooling chamber, an air duct 223 of the air blowing plate, and an air hole 222 of the external cooling chamber. Air supply plate wind channel 223 is the cuboid structure, and outside cooling chamber air outlet 221 sets up in one side of air supply plate wind channel 223, and the cold wind that gets into from outside cooling chamber air outlet 221 passes through air supply plate wind channel 223 and flows out from outside cooling chamber supply-air hole 222 at last, realizes the cold wind spraying effect from last down to storage tank 230. The external cooling chamber air supply hole 222 communicates with an air supply plate duct 223. The cold air spraying structure 220 is used for indirectly cooling the food in the storage box 230.
The embodiment also relates to a refrigerator, which is provided with the multifunctional storage chamber, and a refrigerating system of the refrigerator comprises a compressor and an evaporator.
The present embodiment further relates to a control method of a refrigerator having the multifunctional storage compartment of the present embodiment, the refrigerator having the multifunctional storage compartment, wherein the control method adjusts the humidity and/or temperature of the multifunctional storage compartment by controlling the air supply of the first air door and the second air door.
The method for controlling the humidity of the multifunctional storage compartment 220 in this embodiment will be described in detail below.
A-S1: the refrigerator is preset with n humidity gears according to different requirements of stored objects on air humidity, wherein n is more than or equal to 1 and is a natural number; the smaller the n value is, the larger the preset air humidity in the corresponding storage box is; wherein i is any humidity gear of n humidity gears, i is more than or equal to 1 and less than or equal to n, and i is a natural number; selecting a humidity gear according to the requirement on air humidity when the stored objects in the storage box are stored;
A-S2 a: in the ith humidity gear, controlling the first air door to open and close periodically to control the humidity of the storage box, wherein the preset single-period opening time of the first air door is ti, and the preset single-period closing time is ti'; setting the preset single-period opening time ti to be shorter as the value of i is larger and longer as the value of i is larger in the n humidity gears, and setting the preset single-period closing time ti' to be longer as the value of i is larger;
and simultaneously, in the ith humidity gear, the opening and closing of the second air door are controlled according to the preset temperature Ti of the multifunctional storage chamber, so that the temperature of the multifunctional storage chamber is controlled.
Specifically, when the fruits and vegetables are stored in the embodiment, the user can select the humidity of different gears according to the requirement of different fruits and vegetables on the stored air humidity. The preset air humidity in the storage box 230 corresponding to the 1 st humidity gear is set to be the maximum. The air humidity preset in the storage box 230 corresponding to the remaining ith humidity level decreases as the value of i increases, i >1, i being a natural number.
A-S1: the user selects the 1 st humidity gear, and the air humidity preset in the storage box 230 corresponding to the 1 st humidity gear is greater than or equal to 90%;
A-S2: in the 1 st humidity gear, the first air door is controlled to be opened and closed periodically, the humidity of the storage box 230 is controlled, the preset single-period opening time of the first air door is t1, and the preset single-period closing time is t 1';
meanwhile, in the 1 st humidity gear, the temperature T1 is preset according to the multifunctional storage compartment 200
The opening and closing of the second air door are controlled, and the temperature of the multifunctional storage compartment is controlled.
Further, the 1 st humidity level is generally used for preservation of vegetables such as leaf vegetables.
A-S1: the user selects the 2 nd humidity level, and the 2 nd humidity level corresponds to the preset air humidity [ 80%, 90% ] in the storage box 230;
A-S2: in the 2 nd humidity gear, the first air door is controlled to be opened and closed periodically, the humidity of the storage box 230 is controlled, the preset single-period opening time of the first air door is t2, and the preset single-period closing time is t 2';
meanwhile, in the 2 nd humidity position, the temperature T2 is preset according to the multifunctional storage compartment 200
The opening and closing of the second air door are controlled, and the temperature of the multifunctional storage compartment is controlled.
Further, the 2 nd humidity level is generally used for preserving most fruits and vegetables.
A-S1: the user selects the 3 rd humidity level, and the 3 rd humidity level corresponds to the preset air humidity [ 70%, 80% ] in the storage box 230;
A-S2: in the 3 rd humidity gear, the first air door is controlled to be opened and closed periodically, the humidity of the storage box 230 is controlled, the preset single-period opening time of the first air door is t3, and the preset single-period closing time is t 3';
meanwhile, in the 3 rd humidity position, the temperature T3 is preset according to the multifunctional storage compartment 200
The opening and closing of the second air door are controlled, and the temperature of the multifunctional storage compartment is controlled.
Further, the 3 rd humidity level is generally used for preserving fruits and vegetables such as onions and garlic.
Furthermore, t1 is more than 0 and less than t2 and less than t3 and less than 1h, t1 ' is more than t2 ' and more than t3 ' is more than 0h, Ti is more than or equal to 2 ℃ and less than or equal to 5 ℃, i is more than or equal to 1 and less than or equal to 3, and i is a natural number.
Specifically, in this embodiment, when the user selects the dry storage function, the 4 th humidity level corresponds to the dry storage function.
A-S1: the user selects the 3 rd humidity gear, and the air humidity preset in the storage box 230 corresponding to the 3 rd humidity gear is less than 65%;
A-S2: in the 4 th humidity gear, the first air door is controlled to be opened and closed periodically, the humidity of the storage box 230 is controlled, the preset single-period opening duration of the first air door is t4, and the preset single-period closing duration of the first air door is t 4';
meanwhile, in the 4 th humidity position, the temperature T4 is preset according to the multifunctional storage compartment 200
The opening and closing of the second air door are controlled, and the temperature of the multifunctional storage compartment is controlled.
Further, the 4 th humidity level is generally used for preserving dry goods such as dried mushrooms, dried shrimps and the like.
Furthermore, T1 is more than 0 and T2 is more than T3 is more than T4 and is more than 1h, 1h is more than T1 ', T2', T3 'is more than T4' is more than 0h, and T4 is more than or equal to 2 ℃ and is less than or equal to 5 ℃.
The beneficial effects are that; the cold wind of carrying in the second air door can carry out the fountain air supply to the storage tank by multi-functional storing room top, carries out the radiation cooling to the storage tank, and when storing fruit vegetables function like this, the wind of second air door does not directly blow in the storage tank and can avoid wind the vegetables air-dry problem that directly blow to vegetables and bring. The first air door is controlled to be periodically opened and closed within the preset operation time in different humidity gears, the single-period preset opening duration of the first air door can be selected according to the requirements of food, particularly fruit and vegetable food on air humidity, different humidity gears are selected, and therefore the humidity of the multifunctional storage chamber is controlled to reach the humidity required by food preservation.
[ example 2 ]
In addition to the humidity requirements for low temperature storage of fruits and vegetables in domestic life, there is often a need for short and long term storage of meat during storage of meat. The following description specifically describes the method for controlling the storage time of the stored articles in the multifunctional storage compartment. This embodiment is an expanded embodiment in embodiment 1, and the refrigerator in this embodiment has the same structure as that in embodiment 1, and also has the same multifunctional storage compartment 200, so the structure of the refrigerator is not described in detail in this embodiment.
B-S1: selecting a storage time length control gear according to the requirement of storage time when storage objects in the storage box are stored, wherein the multifunctional storage chamber is provided with a first storage time length gear and a second storage time length gear, and the first storage time length is smaller than the second storage time length;
and B-S2a, when the multifunctional storage compartment is in the first storage long-time gear, the opening and closing of the first air door and the second air door are simultaneously controlled according to the preset temperature Ta of the multifunctional storage compartment.
Further, Ta is more than or equal to 0 ℃ and less than or equal to 2 ℃, when the user selects the first storage long-time gear, when the stored object is meat, the meat can be stored for 4 days under the control step of B-S2 a.
B-S2B, when the multifunctional storage compartment is in the second storage long-time gear, the multifunctional storage compartment comprises the following three temperature control processes: a supercooling staged cooling process, a supercooling relieving process and a conventional refrigeration preservation process;
supercooling and cooling stage by stage: the first air door is controlled to be closed in the sub-cooling staged cooling process, the sub-cooling process comprises m cooling stages, m is more than or equal to 1 and is a natural number, and each cooling stage of the m cooling stages controls the opening and closing of the second air door according to the preset temperature Tm of the cooling stage; and running for a preset time tm at each cooling stage in the supercooling and cooling process.
Further, m cooling stages are divided into stages 1, … … j and … … m, wherein the j cooling stage represents any one of the m cooling stages, j is more than or equal to 1 and less than or equal to m, m is a natural number and more than or equal to 1, and the second air door is controlled to be opened and closed according to the preset temperature Tj of the cooling stage, namely T is usedONj＝Tj+TB1And/2 is taken as the starting temperature point of the second air door in the j stage and is Toffj＝TONj-TB2[ j 2 ] as the shutdown temperature point of the second damper in the j-th stage, TB1Indicates the starting point floating temperature T of the multifunctional storage chamber in the starting process of the compressorB2Temperature difference between start and stop of multifunctional storage chamber, TONj>Tj>Toffj；
In the j stage:
when the temperature of the multifunctional storage chamber reaches TONj＝Tj+TB1When the air pressure is higher than the preset pressure, controlling the second air door to be opened when the air pressure is higher than the preset pressure;
when the temperature of the multifunctional storage chamber reaches Toffj＝TONj-TB2And at/2, controlling the second air door to be closed.
Further, in the stage of supercooling and cooling, the compressor operates at the second rotating speed M2 in the 1 st cooling stage, and the rotating speed of the compressor operates at the first rotating speed M1 after the 1 st cooling stage is finished, wherein M1 is less than M2.
Further, in the supercooling staged cooling process, the temperature of 5 ℃ in the first cooling stage 1 is more than or equal to T1 and is more than 0 ℃; t2<0 ℃ when Tj does not comprise T1. The beneficial effects are that: when the food, particularly the meat food, needs to be cooled, the rotating speed of the compressor is increased, so that the cooling rate of the multifunctional storage chamber for supplying cooling can be increased, the food, particularly the meat food, is more quickly stabilized to be close to the temperature T1, and the early preparation time of the food, particularly the meat food, entering the overcooling state is shortened. The 1 st cooling stage control multi-functional storing room is according to presetting temperature T1 operation, is favorable to with the temperature of multi-functional storing room keeps in the minizone temperature interval that contains T1 temperature, is convenient for the whole temperature of multi-functional storing room can descend uniformly in follow-up stage cooling process, can make the food of placing in multi-functional storing room especially meat food surface and the inside difference in temperature littleer simultaneously, more is favorable to food especially meat food to smoothly get into the supercooled state in follow-up stage cooling process.
Furthermore, tm is more than 0 and less than or equal to 8h, m is a natural number and is more than or equal to 1.
The beneficial effects are that: the first air door is controlled to be closed all the time in the stage-by-stage supercooling cooling process, low-temperature air is prevented from being directly blown to food, particularly meat food, disturbance of heavy air in a storage box where the food is located in the stage-by-stage supercooling cooling process can be reduced, and the probability that the food, particularly the meat food, enters a supercooling state is increased. The temperature of the multifunctional storage chamber is controlled to be cooled in stages by controlling the opening and closing of the second air door, and the temperature of food in the storage box is indirectly controlled to be slowly cooled in stages, so that the food is enabled to smoothly enter a supercooling non-freezing state.
In the supercooling release process:
controlling the second air door to be in a closed state all the time;
controlling the compressor to operate at a second rotating speed M2;
controlling the first air door to carry out on-off control on the first air door according to the preset temperature Tb in the supercooling removing process, namely controlling the first air door to be TONb＝Tb+TB1And/2 is taken as the starting temperature point of the second air door in the j stage and is Toffb＝TONb-TB2[ j 2 ] as the shutdown temperature point of the second damper in the j-th stage, TB1Indicates the starting point floating temperature T of the multifunctional storage chamber in the starting process of the compressorB2Temperature difference between start and stop of multifunctional storage chamber, TONb>Tb>Toffb；-18℃≥Tb≥-40℃。
Namely: when the temperature of the multifunctional storage chamber reaches TONb＝Tb+TB1When the air pressure is higher than the preset pressure, controlling the first air door to open when the air pressure is higher than the preset pressure;
when the temperature of the multifunctional storage chamber reaches Toffb＝TONb-TB2And at/2, controlling the first air door to be closed.
The supercooling release process is controlled to run for the tb time.
Further, tb is more than or equal to 10h and more than 0 h.
Further, the second compressor rotation speed M2 is the maximum rotation speed in the refrigerator of the present embodiment.
Furthermore, the value range of the first rotating speed M1 of the compressor is that the rotating speed is more than or equal to 1200rpm and less than or equal to M1 and less than or equal to 1400rpm, and the value range of the second rotating speed M2 of the compressor is that the rotating speed is more than or equal to 3800rpm and less than or equal to M2 and less than or equal to 4500 rpm.
Further, TB1The value range of (A) is 0 DEG C<TB1≤2℃，TB2The value range of (A) is 0 DEG C<TB2≤2 ℃。
The beneficial effects are that: the supercooled state is an unstable state, and a certain stimulus is required to release the supercooled state, and such a stimulus may be a temperature factor or a physical factor. In the embodiment, the second air door is closed in the supercooling relieving process, and the food, particularly meat food, in the storage box is directly provided with low-temperature cold air by controlling the opening and closing of the first air door, so that the forced convection of the cold air and the ambient air of the meat food is realized, and the supercooling non-freezing state of the meat food is damaged. The embodiment also achieves the purpose of increasing the cooling capacity of the multifunctional storage chamber in the supercooling removing process by increasing the rotating speed of the compressor, so that the meat food is rapidly removed from the supercooling state. After the meat product is removed from the overcooling state, the meat product can quickly form uniform, fine and round ice crystals to achieve the effect of instant freezing, and the formed fine ice crystals have smaller damage to the tissues, fibers or cells of the food, particularly the meat product, compared with the large needle-shaped ice crystals formed by common freezing. The loss of nutrient substances of the food after thawing can be better avoided, and the flavor of the food can be better maintained.
The first air door is controlled to be opened and closed according to the preset temperature Tb in the supercooling removing process, so that meat products can be completely frozen under the supply of large refrigerating capacity after the supercooling removing state, and the subsequent long-term storage of the meat is facilitated.
During the conventional refrigeration preservation process:
controlling the first air door to be always in a closed state;
controlling the rotating speed of the compressor to be reduced to a first rotating speed M1, and keeping the first rotating speed M1 running in the conventional refrigeration preservation process;
controlling the second air door to carry out on-off control on the second air door according to the preset temperature Tc in the supercooling release process, namely controlling the second air door to be opened and closed by TONc＝Tc+TB1And/2 is taken as the starting temperature point of the second air door and is Toffc＝TONc-TB2/2 as the shutdown temperature point for the second damper, where TB1Indicates the starting point floating temperature T of the multifunctional storage chamber in the starting process of the compressorB2Temperature difference between start and stop of multifunctional storage chamber, TONc>Tc>Toffc；
Namely: when the temperature of the multifunctional storage chamber reaches TONc＝Tc+TB1When the air pressure is higher than the preset pressure, controlling the second air door to be opened when the air pressure is higher than the preset pressure;
when the temperature of the multifunctional storage chamber reaches Toffc＝TONc-TB2And at/2, controlling the second air door to be closed.
Further, when the multifunctional storage chamber is in the second storage long-time gear, the rotating speed of the freezing fan of the multifunctional storage chamber is controlled in the following three temperature control processes: the supercooling staged cooling process, the supercooling relieving process and the conventional refrigeration storage process are all kept unchanged.
Further, Tc is more than or equal to-7 ℃ and less than 0 ℃.
The beneficial effects are that: when the food is not completely frozen in the supercooling state, the first air door is closed, and the second air door is controlled to be opened and closed according to the preset temperature Tc in the supercooling removing process, so that the problems that the first air door is directly cold air applied to the meat food in the long-term storage of the meat, the meat food is dehydrated and dried, and the freshness is poor can be solved. The meat food can keep original water in long-term storage, tastes better after being thawed, and enhances user experience. In the conventional storage process, the temperature of the multifunctional heat-preservation chamber can be ensured to be at the lower temperature Tc for a long time by controlling the second air door switch according to the preset temperature Tc in the supercooling relieving process, so that the meat can be stored for a long time.
In the embodiment, the meat products can be frozen and preserved in the multifunctional storage chamber for more than or equal to two weeks through the control step of B-S2B.
Claims (10)
1. A multifunctional storage compartment, comprising:
the storage box is internally provided with a multifunctional storage space;
an external cooling chamber disposed outside the storage box;
the external cooling chamber carries out air cooling to the outer wall surface of the storage box;
the heat conduction function is formed between the outer wall surface and the inner wall surface of the storage box, and the heat radiation function is performed on the inner wall surface of the storage box to the storage in the storage box body;
when the external cooling chamber carries out air cooling to the outer wall surface of the storage box, the outer wall surface of the storage box can conduct the air cooling capacity to the inner wall surface of the storage box, and the inner wall surface of the storage box can apply the cooling capacity conducted to the inner wall surface of the storage box to storage in the box body in a heat radiation mode.
2. The multifunctional storage compartment as claimed in claim 1, wherein the storage box is further provided with an air supply mechanism for directly supplying cold air to the multifunctional storage space, and the air supply mechanism is provided with a direct air supply outlet on the inner wall of the storage box for directly supplying cold air to the storage space; the multifunctional storage compartment is also provided with a main air supply duct, an evaporator is arranged on the main air supply duct, the air supply mechanism is provided with a first air duct connected with the main air supply duct, and the external cooling chamber is provided with a second air duct connected with the main air supply duct; the first air duct is provided with a first air door, and the second air duct is provided with a second air door.
3. The multifunctional storage compartment of claim 2,
the external cooling chamber is provided with a cold air spraying structure which is arranged opposite to the outer wall surface of the storage box;
the external cooling chamber sprays cold air uniformly onto the outer wall surface of the storage box through the cold air spraying mechanism.
4. The multifunctional storage compartment as claimed in claim 3, wherein the cold air spraying structure is a porous air supply plate, the porous air supply plate is arranged at the air outlet of the external cooling chamber, and the air inlet of the external cooling chamber is connected to the second air duct.
5. The multifunctional storage compartment of claim 2, wherein the storage box comprises a box body with an upward opening and a cover plate covering the opening of the box body, and the box body and the cover plate are covered together to form the multifunctional storage space; and the cold air spraying structure arranged in the external cooling chamber is arranged at a position right opposite to the cover plate.
6. The multi-functional storage compartment of any one of claims 2 to 5, wherein a downward connecting plate is formed at a rear side edge of the cover plate of the storage box, and the direct air supply port is formed on the connecting plate to directly supply cold air to the storage space and connected to the first air duct.
7. The multifunctional storage compartment as claimed in claim 6, wherein the box body comprises a bottom plate and side plates, a groove with a shape matching with the connecting plate is formed on one side plate, and when the box body is covered with the cover plate, the connecting plate and the groove are in sealing fit.
8. The multi-functional storage compartment of claim 7, wherein; the part of the storage box cover plate opposite to the external cooling chamber and/or the bottom plate of the storage box are made of metal plates.
9. A refrigerator, characterized in that: the multifunctional storage compartment of any one of claims 1-8 is used.
10. The refrigerator of claim 9, wherein: the humidity and/or the temperature of the multifunctional storage compartment are/is adjusted by controlling the air supply of the first air door and the second air door.
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| CN201922161112.6U CN212362552U (en) | 2019-12-05 | 2019-12-05 | Multifunctional storage chamber and refrigerator with same |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111336743A (en) * | 2019-12-05 | 2020-06-26 | 合肥晶弘电器有限公司 | Refrigerator, multifunctional storage chamber of refrigerator and control method of refrigerator |
| CN115077192A (en) * | 2022-06-28 | 2022-09-20 | 珠海格力电器股份有限公司 | Dry storage control method and device for refrigerator and refrigerator |
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2019
- 2019-12-05 CN CN201922161112.6U patent/CN212362552U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111336743A (en) * | 2019-12-05 | 2020-06-26 | 合肥晶弘电器有限公司 | Refrigerator, multifunctional storage chamber of refrigerator and control method of refrigerator |
| CN111336743B (en) * | 2019-12-05 | 2024-08-23 | 合肥晶弘电器有限公司 | Refrigerator and multifunctional storage compartment thereof and control method of refrigerator |
| CN115077192A (en) * | 2022-06-28 | 2022-09-20 | 珠海格力电器股份有限公司 | Dry storage control method and device for refrigerator and refrigerator |
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