CN217442044U - Refrigerator with independent temperature control area in refrigerating chamber - Google Patents
Refrigerator with independent temperature control area in refrigerating chamber Download PDFInfo
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- CN217442044U CN217442044U CN202220672327.3U CN202220672327U CN217442044U CN 217442044 U CN217442044 U CN 217442044U CN 202220672327 U CN202220672327 U CN 202220672327U CN 217442044 U CN217442044 U CN 217442044U
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- air duct
- temperature control
- refrigerating chamber
- control area
- door
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Abstract
The utility model relates to a refrigerator that has independent accuse warm area in freezer, including the box, be equipped with freezer and walk-in the box, be equipped with independent accuse warm area in the walk-in, be equipped with in the box with the refrigerating system of freezer intercommunication, be equipped with the main wind channel of intercommunication freezer and walk-in the box, air conditioning in the freezer gets into the walk-in via main wind channel, its 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 utility model relates to a refrigerator that has independent accuse warm area in freezer.
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.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a refrigerator that has independent accuse warm area in the convenient freezer of wind channel simple structure, wind channel switching control is provided to above-mentioned prior art.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: 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 amount blown into the refrigerating chamber by the freezing chamber is, the less the cold air amount blown into the independent temperature control area is, so that the independent temperature control area is cooled more slowly, and the refrigerating chamber is cooled more quickly. 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 protruding baffle 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.
Compared with the prior art, the utility model has the advantages of: 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, thereby reducing 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 an air duct between a refrigerating chamber and a freezing chamber of a refrigerator according to an embodiment of the present invention.
Fig. 3 is a flowchart illustrating a control flow of 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 electric damper according to the first embodiment of the present invention.
Fig. 5 is a layout view of the air duct between the refrigerating chamber and the freezing chamber of the refrigerator according to the second embodiment of the present invention.
Fig. 6 is a layout diagram of the air duct between the refrigerating chamber and the freezing chamber of the refrigerator according to the third embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 2, the refrigerator 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 regions 13 are arranged in the refrigerating chamber 12, in this embodiment, one is taken as an example, and the arrangement mode of the branch air ducts of the plurality of independent temperature control regions 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, an inlet of the branch air duct 17 is communicated with the main air duct 15, an outlet of the branch air duct is communicated with an independent temperature control area 13, a first electric air door 2 is arranged at an 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 greater 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;
e, calculating the cooling speed of the refrigerating chamber and the independent temperature control area, and then entering the 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 greater than 4 ℃, Mtr is a value not less than 4 ℃ and not less than 2.5 ℃, Str is a value less 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 value greater than 3 ℃/5Min, Mvr is a value less than or equal to 3 ℃/5Min and greater than or equal to 1 ℃/5Min, Svr is a value less 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, 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, middle, 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 ℃ for 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 (5)
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. The refrigerator having an independent temperature control area 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 which is bent towards the inside of the main air duct is arranged at the inlet of the branch air duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220672327.3U CN217442044U (en) | 2022-03-25 | 2022-03-25 | Refrigerator with independent temperature control area in refrigerating chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220672327.3U CN217442044U (en) | 2022-03-25 | 2022-03-25 | Refrigerator with independent temperature control area in refrigerating chamber |
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| Publication Number | Publication Date |
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| CN217442044U true CN217442044U (en) | 2022-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220672327.3U Active CN217442044U (en) | 2022-03-25 | 2022-03-25 | Refrigerator with independent temperature control area in refrigerating chamber |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115325748A (en) * | 2022-03-25 | 2022-11-11 | 宁波方太厨具有限公司 | Refrigerator with independent temperature control area in refrigerating chamber and temperature control method thereof |
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2022
- 2022-03-25 CN CN202220672327.3U patent/CN217442044U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115325748A (en) * | 2022-03-25 | 2022-11-11 | 宁波方太厨具有限公司 | Refrigerator with independent temperature control area in refrigerating chamber and temperature control method thereof |
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