CN115325748A - Refrigerator with independent temperature control area in refrigerating chamber and temperature control method thereof - Google Patents
Refrigerator with independent temperature control area in refrigerating chamber and temperature control method thereof Download PDFInfo
- Publication number
- CN115325748A CN115325748A CN202210306220.1A CN202210306220A CN115325748A CN 115325748 A CN115325748 A CN 115325748A CN 202210306220 A CN202210306220 A CN 202210306220A CN 115325748 A CN115325748 A CN 115325748A
- Authority
- CN
- China
- Prior art keywords
- temperature control
- control area
- refrigerating chamber
- independent
- independent temperature
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000007710 freezing Methods 0.000 claims abstract description 31
- 230000008014 freezing Effects 0.000 claims abstract description 29
- 238000001816 cooling Methods 0.000 claims description 11
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims description 4
- 238000007664 blowing Methods 0.000 claims description 3
- 235000012055 fruits and vegetables Nutrition 0.000 claims description 3
- 238000004378 air conditioning Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
- 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
- F25D17/045—Air flow control arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/003—Arrangement or mounting of control or safety devices for movable devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/005—Mounting of control devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
- F25D2317/06—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 with forced air circulation
- F25D2317/067—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 with forced air circulation characterised by air ducts
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention relates to a refrigerator with an independent temperature control area in a refrigerating chamber and a temperature control method thereof, wherein the refrigerator comprises a box body, a freezing chamber and a refrigerating chamber are arranged in the box body, the independent temperature control area is arranged in the refrigerating chamber, a refrigerating system communicated with the freezing chamber is arranged in the box body, a main air duct communicated with the freezing chamber and the refrigerating chamber is arranged in the box body, and cold air in the freezing chamber enters the refrigerating chamber through the main air duct, and the refrigerator is characterized in that: the refrigerating chamber is provided with a first electric air door at the inlet communicated with the main air duct, and the first electric air door is used for controlling the opening and closing of the main air duct; and a second electric air door is arranged at the inlet, the inside or the outlet of the branch air duct and is used for controlling the opening and closing of the cold air communicated to the independent temperature control area.
Description
Technical Field
The invention relates to a refrigerator with an independent temperature control area in a refrigerating chamber and a temperature control method thereof.
Background
With the increasing abundance of functions of refrigerators, cold storage rooms containing independent temperature control areas are more and more common. For a refrigerator which supplies cold to other temperature control rooms or independent temperature control areas by cold of a freezing chamber, the conventional method is that the cold is supplied by the freezing chamber, structurally, the cold of the freezing chamber is blown to each temperature area of a refrigerating chamber through different air channels, each temperature area is controlled by respective air doors and is not interfered mutually, referring to the attached drawing 1, a freezing fan 2' is arranged in the freezing chamber 1', the freezing fan 2' blows the cold to the refrigerating chamber 5' and the independent temperature control area 6' through two different independent air channels 3' and 4', the two different independent air channels 3' and 4' occupy the structural space from the freezing chamber to the refrigerating chamber, so that the structural space is crowded or even can not be placed due to the increase of the number of the air channels, in addition, more independent air channels occupy the space at the back of an inner container box body, the heat preservation effect of the freezing chamber can be influenced, and the power consumption of the refrigerator is increased.
Disclosure of Invention
The invention aims to solve the primary technical problem of providing a refrigerator with an independent temperature control area in a refrigerating chamber, which is simple in air duct structure and convenient in air duct opening and closing control.
The invention further aims to solve the technical problem of providing a temperature control method for a refrigerator with an independent temperature control area in a refrigerating chamber, which has a simple air duct structure and is convenient to control the opening and the closing of the air duct.
The technical scheme adopted by the invention for solving the above-mentioned primary technical problems is as follows: the utility model provides a refrigerator that has independent accuse warm area in freezer, includes the box, is equipped with freezer and walk-in the box, is equipped with independent accuse warm area in the walk-in, is equipped with the refrigerating system with the freezer intercommunication in the box, is equipped with the main wind channel of intercommunication freezer and walk-in the box, and the air conditioning in the freezer gets into walk-in, its characterized in that via main wind channel: the refrigerating chamber is provided with a first electric air door at the inlet communicated with the main air duct, and the first electric air door is used for controlling the opening and closing of the main air duct; and a second electric air door is arranged at the inlet, the inside or the outlet of the branch air duct and is used for controlling the opening and closing of the cold air communicated to the independent temperature control area.
When the second electric air door is positioned at the inlet of the branch air duct, the door plate of the second electric air door is opened and closed towards the main air duct direction.
Preferably, the second electric damper is an electric damper with an adjustable opening angle of the door panel. The opening and closing angle of the door plate of the second electric air door can adjust and distribute the amount of cold air blown into the refrigerating chamber and the independent temperature control area by the freezing chamber, the larger the opening angle of the door plate of the second electric air door is, the more air ports which shield the main air duct and flow to the refrigerating chamber are, the less the amount of cold air blown into the refrigerating chamber by the freezing chamber is, the more the amount of cold air blown into the independent temperature control area is, so that the temperature of the independent temperature control area is faster, and the temperature of the refrigerating chamber is slower; on the contrary, the more the cold air volume that blows into the walk-in by the freezer, the less the cold air volume that blows into independent accuse warm area for independent accuse warm area cooling is slower, and the cooling of walk-in is faster. When the second electric air door is closed, the door plate of the second electric air door is retracted, and all the air blown into the main air duct from the freezing chamber flows to the refrigerating chamber.
When the second electric air door can also be positioned at the outlet of the branch air duct, the door plate of the second electric air door is opened and closed towards the independent temperature control area. And the door plate of the second electric air door only controls the opening and closing of the branch air duct of the independent temperature control area.
At the moment, an arc-shaped convex baffle which is bent towards the inside of the main air duct is arranged at the inlet of the branch air duct. The arc-shaped protruding baffle can shield part of cold air volume communicated with the refrigerating chamber, and when the second electric air door is opened, more cold air volume is communicated with the independent temperature control area; when the second electric air door is closed, the arc-shaped protruding baffle still can form resistance on cold air flowing to the refrigerating chamber, and quick refrigeration of the refrigerating chamber is influenced.
The technical scheme adopted by the invention for solving the further technical problems is as follows: the temperature control method of the refrigerator with the structure is characterized in that the opening and closing of the main air duct are controlled through the following steps:
and 6, closing the first electric air door to close the main air duct, and then returning to the step 1.
The second electric air door is an electric air door with an adjustable opening angle of the door panel.
The opening and closing of the branch air duct are controlled by the following steps:
step a, judging whether the temperature of the independent temperature control area is more than or equal to the starting point temperature of the independent temperature control area, if so, completely opening the second electric air door, and then returning to the step a; if not, entering the step b;
b, judging whether the temperature of the independent temperature control area is less than or equal to the shutdown point temperature of the independent temperature control area, if so, closing the second electric air door, and then returning to the step a; if not, entering the step c;
step c, judging whether the temperature of the refrigerating chamber is less than or equal to the temperature of a stop point of the refrigerating chamber, if so, completely opening the second electric air door, and then returning to the step a; if not, step d is advanced;
d, judging whether the second electric air door is in an open state, if so, entering the step e; if not, setting the opening angle of the second electric air door as a preset initial angle, and then entering the step e;
step e, respectively calculating the cooling speed of the refrigerating chamber and the independent temperature control area, and then entering step f; and f, adjusting the opening angle of the second electric air door by adopting a fuzzy control method. The specific adjustment mode is obtained by adopting the following table look-up mode:
wherein, delta Tr is the difference value between the temperature of the refrigerating chamber and the temperature of the stop point of the refrigerating chamber, is divided into three sections of large, medium and small, and is respectively represented by Btr, mtr and Str; btr is a value higher than 4 ℃, mtr is a value lower than or equal to 4 ℃ and higher than or equal to 2.5 ℃, str is a value lower than 2.5 ℃;
vr is the cooling speed of the refrigerating chamber, the unit is the temperature reduced every 5 minutes, and Vr is divided into a middle interval, a middle interval and a small interval and is respectively represented by Bvr, mvr and Svr; bvr is a numerical value larger than 3 ℃/5Min, mvr is a numerical value smaller than or equal to 3 ℃/5Min and larger than or equal to 1 ℃/5Min, and Svr is a numerical value smaller than 1 ℃/5 Min;
delta Td is the difference value between the temperature of the independent temperature control area and the temperature of the shutdown point of the independent temperature control area, and is divided into a large interval, a middle interval, a small interval and a medium interval, which are respectively expressed by Btd, mtd and Std; btd is a value of 3.5 ℃ or lower and 2.5 ℃ or higher, and Std is a value of 2.5 ℃ or lower;
vd is the cooling speed of the independent temperature control area, the unit is the temperature reduced every 5 minutes, and the Vd is divided into three areas of large, medium and small, which are respectively represented by Bvd, mvd and Svd; bvd is a value greater than 3 ℃/5Min, mvd is a value less than or equal to 3 ℃ and greater than or equal to 2 ℃/5Min, and Svd is a value less than 2 ℃/5 Min;
the opening angle of the second electric damper is divided into five points of maximum, large, medium, small and minimum, which are respectively denoted by BB, B, M, S and SS, preferably, BB corresponds to 90 °, B corresponds to 75 °, M corresponds to 60 °, S corresponds to 45 °, and SS corresponds to 30 °.
Preferably, if the set temperature of the refrigerating chamber is N, the starting point temperature of the refrigerating chamber is N +1, and the stopping point temperature of the refrigerating chamber is N-1; the value of N is 1-10 ℃.
When the function of the independent temperature control area is a fresh-freezing function, the starting point temperature of the independent temperature control area is 2 ℃, and the stopping point temperature of the independent temperature control area is 0 ℃; when the function of the independent temperature control area is a treasure, the starting point temperature of the independent temperature control area is 4 ℃, and the stopping point temperature of the independent temperature control area is 2 ℃; when the independent temperature control area has the functions of fruits and vegetables, the starting point temperature of the independent temperature control area is 6 ℃ for starting, and the stopping point temperature of the independent temperature control area is 4 ℃.
Compared with the prior art, the invention has the advantages that: the main air duct and the branch air ducts are arranged, the first air door is arranged at the inlet of the main air duct or in the main air duct between the inlet of the main air duct and the inlet of the branch air duct, and the inlet or the inner part or the outlet of the branch air duct of the second air door enables the cold air of the refrigerating chamber and the independent temperature control chamber to be closed simultaneously after the first electric air door is closed; in the improved scheme, the special structural installation mode of the second air door can realize the cold quantity regulation and the temperature balance control of the refrigerating chamber and the independent temperature control area, and reduce the energy consumption; in the temperature control method, a control method for dynamically and automatically adjusting the opening of the second electric air door is adopted to realize accurate temperature control of the refrigerating chamber and the independent temperature control area.
Drawings
Fig. 1 is a layout view of an air duct between a freezer compartment and a refrigerator compartment of a related art refrigerator.
Fig. 2 is a layout diagram of air ducts between a freezing chamber and a refrigerating chamber of a refrigerator according to an embodiment of the present invention.
Fig. 3 is a flowchart illustrating a control procedure for opening and closing the main duct according to an embodiment of the present invention.
Fig. 4 is a flowchart illustrating the opening and closing control of the second electrically operated damper according to the first embodiment of the present invention.
Fig. 5 is a layout view of air ducts between a freezing chamber and a refrigerating chamber of a refrigerator according to a second embodiment of the present invention.
Fig. 6 is a layout diagram of air ducts between the freezing chamber and the refrigerating chamber of the refrigerator according to the third embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
The refrigerator shown in fig. 2 includes a box body 1, a freezing chamber 11 and a refrigerating chamber 12 are arranged in the box body 1, one or more independent temperature control areas 13 are arranged in the refrigerating chamber 12, one of the embodiments is taken as an example, and the arrangement mode of the branch air ducts of the plurality of independent temperature control areas is the same as the temperature control mode; a refrigerating system 14 communicated with a freezing chamber 12 is arranged in the box body 1, a main air duct 15 communicated with the freezing chamber 11 and a refrigerating chamber 12 is arranged in the box body 1, a fan 16 is arranged in the freezing chamber 11, after the fan 16 operates, cold air in the freezing chamber 11 is blown into the refrigerating chamber 12 through the main air duct 15, in addition, a branch air duct 17 is arranged at one side of the main air duct 15, the inlet of the branch air duct 17 is communicated with the main air duct 15, the outlet of the branch air duct is communicated with an independent temperature control area 13, a first electric air door 2 is arranged at the inlet of the freezing chamber 11, which leads to the main air duct 15, and the first electric air door 2 is used for controlling the opening and closing of the main air duct 15; and a second electric air door 3 is arranged at the inlet of the branch air duct 17, and the second electric air door 3 is used for controlling the opening and closing of cold air leading to the independent temperature control area.
In this embodiment, the door panel of second electric air door 3 opens and shuts towards 15 directions in the main air duct, and second electric air door 3 is the door panel and opens the electronic air door of angularly adjustable.
The opening and closing of the main air duct are controlled by the following steps:
and 6, closing the first electric air door to close the main air duct, and then returning to the step 1.
The opening and closing of the branch air duct are controlled by the following steps:
step a, judging whether the temperature of the independent temperature control area is more than or equal to the starting point temperature TDk of the independent temperature control area, if so, completely opening the second electric air door, and then returning to the step a; if not, entering the step b;
b, judging whether the temperature of the independent temperature control area is less than or equal to the stop point temperature TDt of the independent temperature control area, if so, closing the second electric air door, and then returning to the step a; if not, entering the step c;
step c, judging whether the temperature of the refrigerating chamber is less than or equal to the shutdown point temperature TRt of the refrigerating chamber, if so, completely opening the second electric air door, and then returning to the step a; if not, step d is advanced;
d, judging whether the second electric air door is in an open state, if so, entering the step e; if not, setting the opening angle of the second electric air door as a preset initial angle, and then entering the step e;
step e, calculating the cooling speed of the refrigerating chamber and the independent temperature control area, and then entering step f;
and f, adjusting the opening angle of the second electric air door by adopting a fuzzy control method.
The specific adjustment mode is obtained by adopting the following table look-up mode:
wherein, delta Tr is the difference value between the temperature of the refrigerating chamber and the temperature of the stop point of the refrigerating chamber, is divided into three sections of large, medium and small, and is respectively represented by Btr, mtr and Str; btr is a value higher than 4 ℃, mtr is a value lower than or equal to 4 ℃ and higher than or equal to 2.5 ℃, str is a value lower than 2.5 ℃;
vr is the cooling speed of the refrigerating chamber, the unit is the temperature reduced every 5 minutes, and Vr is divided into a middle interval, a middle interval and a small interval and is respectively represented by Bvr, mvr and Svr; bvr is a numerical value larger than 3 ℃/5Min, mvr is a numerical value smaller than or equal to 3 ℃/5Min and larger than or equal to 1 ℃/5Min, and Svr is a numerical value smaller than 1 ℃/5 Min;
the delta Td is the difference value of the temperature of the independent temperature control area and the temperature of the shutdown point of the independent temperature control area, and is divided into three sections, namely a large section, a middle section, a small section and a middle section, which are respectively expressed by Btd, mtd and Std; btd is a value of 3.5 ℃ or lower and 2.5 ℃ or higher, and Std is a value of 2.5 ℃ or lower;
vd is the cooling speed of the independent temperature control area, the unit is the temperature reduced every 5 minutes, and the Vd is divided into three areas of large, medium and small, which are respectively represented by Bvd, mvd and Svd; bvd is a numerical value of more than 3 ℃/5Min, mvd is a numerical value of less than or equal to 3 ℃ and more than or equal to 2 ℃/5Min, and Svd is a numerical value of less than 2 ℃/5 Min;
the opening angle of the second electric air door is divided into five points of maximum, large, medium, small and minimum, which are respectively represented by BB, B, M, S and SS, wherein BB corresponds to 90 degrees, B corresponds to 75 degrees, M corresponds to 60 degrees, S corresponds to 45 degrees, and SS corresponds to 30 degrees.
Setting the set temperature of the refrigerating chamber to be N, setting the starting point temperature of the refrigerating chamber to be N +1, and setting the stopping point temperature of the refrigerating chamber to be N-1; the value of N is 1-10 ℃; for example, when the set temperature of the refrigerating chamber is 2 ℃, the starting point temperature of the refrigerating chamber is 3 ℃, and the stopping point temperature of the refrigerating chamber is 1 ℃; when the set temperature of the refrigerating chamber is 3 ℃, the starting point temperature of the refrigerating chamber is 4 ℃, and the stopping point temperature of the refrigerating chamber is 2 ℃; when the set temperature of the refrigerating chamber is 4 ℃, the starting point temperature of the refrigerating chamber is 5 ℃ and the stopping point temperature of the refrigerating chamber is 3; when the set temperature of the refrigerating chamber is 5 ℃, the starting point temperature of the refrigerating chamber is 6 ℃, and the stopping point temperature of the refrigerating chamber is 4 ℃; when the set temperature of the refrigerating chamber is 6 ℃, the starting point temperature of the refrigerating chamber is 7 ℃, and the stopping point temperature of the refrigerating chamber is 5 ℃; when the set temperature of the refrigerating chamber is 7 ℃, the starting point temperature of the refrigerating chamber is 8 ℃, and the stopping point temperature of the refrigerating chamber is 6 ℃; when the set temperature of the refrigerating chamber is 8 ℃, the starting point temperature of the refrigerating chamber is 9 ℃, and the stopping point temperature of the refrigerating chamber is 7 ℃.
When the function of the independent temperature control area is a fresh-freezing function, the starting point temperature of the independent temperature control area is 2 ℃, and the stopping point temperature of the independent temperature control area is 0 ℃; when the function of the independent temperature control area is a treasure, the starting point temperature of the independent temperature control area is 4 ℃, and the stopping point temperature of the independent temperature control area is 2 ℃; when the independent temperature control area has the functions of fruits and vegetables, the starting point temperature of the independent temperature control area is 6 ℃ at starting, and the stopping point temperature of the independent temperature control area is 4 ℃.
Example two
In contrast to the first embodiment, when the second electric damper 3 is located at the outlet of the branch air duct 17, the door panel of the second electric damper opens and closes toward the independent temperature control area 13, as shown in fig. 4.
EXAMPLE III
Unlike the second embodiment, the inlet of the branch duct 17 is provided with an arc-shaped convex baffle 18 which is bent inward toward the main duct.
Claims (11)
1. The utility model provides a refrigerator that has independent accuse warm area in freezer, includes the box, is equipped with freezer and walk-in the box, is equipped with independent accuse warm area in the walk-in, is equipped with the refrigerating system with the freezer intercommunication in the box, is equipped with the main wind channel of intercommunication freezer and walk-in the box, and the air conditioning in the freezer gets into walk-in, its characterized in that via main wind channel: the refrigerating system is characterized by further comprising a branch air duct, wherein an inlet of the branch air duct is communicated with the main air duct, an outlet of the branch air duct is communicated with the independent temperature control area, a second electric air door is arranged at the inlet or the inner part or the outlet of the branch air duct and used for controlling the opening and closing of cold air leading to the independent temperature control area, a first electric air door is arranged at the inlet of the freezing chamber leading to the main air duct or in the main air duct between the inlet of the main air duct and the inlet of the branch air duct and used for controlling the opening and closing of the main air duct.
2. The refrigerator having an independent temperature control area in a refrigerating chamber according to claim 1, wherein: when the second electric air door is positioned at the inlet of the branch air duct, the door plate of the second electric air door is opened and closed towards the main air duct direction.
3. A refrigerator having an independent temperature control zone in a refrigerating chamber according to claim 2, wherein: the second electric air door is an electric air door with an adjustable opening angle of the door panel.
4. The refrigerator having an independent temperature control area in a refrigerating chamber according to claim 1, wherein: when the second electric air door is positioned at the outlet of the branch air duct, the door plate of the second electric air door is opened and closed towards the independent temperature control area.
5. The refrigerator having an independent temperature control area in a refrigerating chamber according to claim 4, wherein: and an arc-shaped convex baffle bent towards the inside of the main air duct is arranged at the inlet of the branch air duct.
6. A temperature control method of a refrigerator having an independent temperature control area in a refrigerating chamber according to claim 1, wherein the opening and closing of the main duct is controlled by the steps of:
step 1, judging whether the temperature of the refrigerating chamber is more than or equal to the starting point temperature of the refrigerating chamber, and if not, entering step 2; if not, entering step 3;
step 2, judging whether the temperature of the independent temperature control area is greater than or equal to the starting point temperature of the independent temperature control area, if so, entering step 3; if not, entering step 4;
step 3, opening the first electric air door to open the main air duct, blowing cold air of the freezing chamber to the refrigerating chamber through the main air duct, and returning to the step 1;
step 4, judging whether the temperature of the refrigerating chamber is less than or equal to the temperature of the shutdown point of the refrigerating chamber, if not, maintaining the current state of the first electric air door, and then returning to the step 1; if yes, entering step 5;
step 5, judging whether the temperature of the independent temperature control area is less than or equal to the shutdown point temperature of the independent temperature control area, if so, entering step 6; if not, maintaining the current state of the first electric air door, and then returning to the step 1;
and 6, closing the first electric air door to close the main air duct, and then returning to the step 1.
7. The temperature control method of a refrigerator having an independent temperature control zone in a refrigerating chamber according to claim 6, wherein: the second electric air door is an electric air door with an adjustable opening angle of the door plate.
8. The temperature control method of a refrigerator having an independent temperature control area in a refrigerating chamber according to claim 7, wherein the opening and closing of the branch duct is controlled by:
step a, judging whether the temperature of the independent temperature control area is more than or equal to the starting point temperature of the independent temperature control area, if so, completely opening the second electric air door, and then returning to the step a; if not, entering the step b;
step b, judging whether the temperature of the independent temperature control area is less than or equal to the shutdown point temperature of the independent temperature control area, if so, closing the second electric air door, and then returning to the step a; if not, entering the step c;
step c, judging whether the temperature of the refrigerating chamber is less than or equal to the temperature of the shutdown point of the refrigerating chamber, if so, completely opening the second electric air door, and then returning to the step a; if not, step d is advanced;
d, judging whether the second electric air door is in an open state, if so, entering the step e; if not, setting the opening angle of the second electric air door as a preset initial angle, and then entering the step e;
step e, calculating the cooling speed of the refrigerating chamber and the independent temperature control area, and then entering step f;
and f, adjusting the opening angle of the second electric air door by adopting a fuzzy control method.
9. The temperature control method of a refrigerator having an independent temperature control area in a refrigerating chamber according to claim 6, 7 or 8, wherein in the step f, the adjustment manner of the opening angle of the second electrically operated damper is obtained by using the following table look-up manner:
wherein, delta Tr is the difference value between the temperature of the refrigerating chamber and the temperature of the stop point of the refrigerating chamber, is divided into three sections of large, medium and small, and is respectively represented by Btr, mtr and Str; btr is a value higher than 4 ℃, mtr is a value lower than or equal to 4 ℃ and higher than or equal to, str is a value lower than 2.5 ℃;
vr is the cooling speed of the refrigerating chamber, the unit is the temperature reduced every 5 minutes, and Vr is divided into a middle interval, a middle interval and a small interval and is respectively represented by Bvr, mvr and Svr; bvr is a numerical value larger than 3 ℃/5Min, mvr is a numerical value smaller than or equal to 3 ℃/5Min and larger than or equal to 1 ℃/5Min, and Svr is a numerical value smaller than 1 ℃/5 Min;
the delta Td is the difference value of the temperature of the independent temperature control area and the temperature of the shutdown point of the independent temperature control area, and is divided into three sections, namely a large section, a middle section, a small section and a middle section, which are respectively expressed by Btd, mtd and Std; btd is a value of 3.5 ℃ or lower and 2.5 ℃ or higher, and Std is a value of 2.5 ℃ or lower;
vd is the cooling speed of the independent temperature control area, the unit is the temperature reduced every 5 minutes, and the Vd is divided into three areas of large, medium and small, which are respectively represented by Bvd, mvd and Svd; bvd is a value greater than 3 ℃/5Min, mvd is a value less than or equal to 3 ℃ and greater than or equal to 2 ℃/5Min, and Svd is a value less than 2 ℃/5 Min;
the opening angle of the second electric air door is divided into five points of maximum, large, medium, small and minimum, which are respectively represented by BB, B, M, S and SS, wherein BB corresponds to 90 degrees, B corresponds to 75 degrees, M corresponds to 60 degrees, S corresponds to 45 degrees, and SS corresponds to 30 degrees.
10. The temperature control method of a refrigerator having an independent temperature control zone in a refrigerating chamber according to claim 6, 7 or 8, wherein: if the set temperature of the refrigerating chamber is N, the starting point temperature of the refrigerating chamber is N +1, and the stopping point temperature of the refrigerating chamber is N-1; the value of N is 1-10 ℃.
11. The temperature control method of a refrigerator having an independent temperature control zone in a refrigerating chamber according to claim 6, 7 or 8, wherein: when the function of the independent temperature control area is a fresh freezing function, the starting point temperature of the independent temperature control area is 2 ℃, and the stopping point temperature of the independent temperature control area is 0 ℃; when the function of the independent temperature control area is treasure, the temperature of the starting point of the independent temperature control area is 4 ℃, and the temperature of the stopping point of the independent temperature control area is 2 ℃; when the independent temperature control area has the functions of fruits and vegetables, the starting point temperature of the independent temperature control area is 6 ℃ for starting, and the stopping point temperature of the independent temperature control area is 4 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210306220.1A CN115325748A (en) | 2022-03-25 | 2022-03-25 | Refrigerator with independent temperature control area in refrigerating chamber and temperature control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210306220.1A CN115325748A (en) | 2022-03-25 | 2022-03-25 | Refrigerator with independent temperature control area in refrigerating chamber and temperature control method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115325748A true CN115325748A (en) | 2022-11-11 |
Family
ID=83916369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210306220.1A Pending CN115325748A (en) | 2022-03-25 | 2022-03-25 | Refrigerator with independent temperature control area in refrigerating chamber and temperature control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115325748A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106091537A (en) * | 2016-06-21 | 2016-11-09 | 南京创维家用电器有限公司 | Refrigerator and discrete embedded air channel structure thereof |
| CN108800721A (en) * | 2018-04-28 | 2018-11-13 | 海信（山东）冰箱有限公司 | A kind of refrigerator air duct component and wind cooling refrigerator |
| CN217442044U (en) * | 2022-03-25 | 2022-09-16 | 宁波方太厨具有限公司 | Refrigerator with independent temperature control area in refrigerating chamber |
-
2022
- 2022-03-25 CN CN202210306220.1A patent/CN115325748A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106091537A (en) * | 2016-06-21 | 2016-11-09 | 南京创维家用电器有限公司 | Refrigerator and discrete embedded air channel structure thereof |
| CN108800721A (en) * | 2018-04-28 | 2018-11-13 | 海信（山东）冰箱有限公司 | A kind of refrigerator air duct component and wind cooling refrigerator |
| CN217442044U (en) * | 2022-03-25 | 2022-09-16 | 宁波方太厨具有限公司 | Refrigerator with independent temperature control area in refrigerating chamber |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107062750B (en) | A kind of wind cooling refrigerator and its control method | |
| EP0828121B1 (en) | Refrigerator/freezer | |
| US10935302B2 (en) | Air volume adjustment device for refrigerator | |
| EP1642070B1 (en) | Refrigerator | |
| CN211552175U (en) | Single-evaporator three-temperature-zone air path system for American refrigerator | |
| WO2018032607A1 (en) | Air-cooled refrigerator and control method therefor | |
| US11085693B2 (en) | Method for controlling operation of refrigerator through mechanical rotary knob | |
| JP2002031466A (en) | Refrigerator | |
| CN217442044U (en) | Refrigerator with independent temperature control area in refrigerating chamber | |
| CN108426408A (en) | Refrigerating plant | |
| JP4739926B2 (en) | refrigerator | |
| CN109751815A (en) | Side by side combination refrigerator | |
| US20160091238A1 (en) | Freezer air tower and damper | |
| CN115325748A (en) | Refrigerator with independent temperature control area in refrigerating chamber and temperature control method thereof | |
| CN109737684A (en) | The control method of side by side combination refrigerator | |
| CN109737667A (en) | Side by side combination refrigerator | |
| CN111678286B (en) | Refrigerator and quick-freezing method thereof | |
| JP3723436B2 (en) | refrigerator | |
| CN211290687U (en) | Refrigeration device | |
| CN217817640U (en) | Refrigerator with a door | |
| CN111964337B (en) | Air duct and control method thereof | |
| CN214371159U (en) | A kind of refrigerator | |
| CN219346922U (en) | Refrigerating and freezing device | |
| CN113375396B (en) | Refrigerator and temperature regulation control method | |
| WO2023274169A1 (en) | Refrigerator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |