Two-side air supply type air duct assembly and double-box refrigerator

Abstract

The invention relates to the technical field of refrigerators, and provides a two-side air supply type air duct assembly which comprises an air supply cavity containing an air supply machine and a refrigeration cavity located below the air supply cavity and containing an evaporator. A first air suction cover and a second air suction cover are arranged on the two sides of the refrigeration cavity correspondingly. A first air supply cover located above the first air suction cover is arranged on one side of the air supply cavity, and a second air supply cover located above the second air suction cover is arranged on the other side of the air supply cavity. The air feeder sucks air in the refrigeration cavity into the air supply cavity, and air supply airflow is generated at the air supply outlet. And return air flow is generated at the air suction port. Therefore, independent air circulation is formed on the two sides respectively, and the air supply distance is shortened. Two air circulations of the air duct assembly share one evaporator, the structure is simplified, and the overall size is reduced. The invention further provides a double-box refrigerator, the space between the refrigerating inner container and the freezing inner container is used for arranging the air duct assembly, occupied storage space is reduced, and the effective storage volume is increased.

Description

Technical Field

[0001] The invention belongs to the technical field of refrigerators, and in particular relates to a two-side air supply type air duct component and a double-box refrigerator. Background Art

[0002] The horizontal double-box freezer has two refrigeration compartments for refrigeration and freezing, which can store items separately. However, the existing freezer has an air supply system in each of the two compartments, which takes up extra volume and reduces the effective storage space.

[0003] At present, there is also a refrigerator on the market that uses a set of air supply systems to supply air to two compartments, such as the structure disclosed in Chinese patent CN114838544A. However, this solution sets an air supply system, such as an evaporator, a fan, etc., on one side of the cabinet. The cold air is sent to the storage compartment at the other end through the air duct. This long-distance air supply method has the risk of cold loss during the transportation process, so that the refrigeration temperature cannot meet the preset requirements, and also makes the air duct structure complicated and occupies extra storage space.

[0004] In summary, the prior art obviously has inconveniences and defects in practical use, so it is necessary to improve it. Summary of the invention

[0005] In view of the above-mentioned defects, the present invention mainly provides a two-side air supply duct assembly to solve the technical problems that the air supply system has a complex structure, occupies a large space, and has a poor cooling effect.

[0006] In order to solve the above problems, the present invention provides a two-side air supply type air duct assembly, comprising an air supply chamber containing a blower and a refrigeration chamber containing an evaporator located below the air supply chamber; a first air suction hood and a second air suction hood are respectively provided on both sides of the refrigeration chamber; a first air supply hood located above the first air suction hood is provided on one side of the air supply chamber, and a second air supply hood located above the second air suction hood is provided on the other side;

[0007] The first air suction hood is provided with a first air suction port, and the first air supply hood is provided with a first air supply port; the second air suction hood is provided with a second air suction port, and the second air supply hood is provided with a second air supply port;

[0008] The blower is configured to: draw the gas in the refrigeration chamber into the air supply chamber, increase the pressure in the air supply chamber, and generate supply air flow at the first air supply port and the second air supply port respectively; at the same time, form a negative pressure in the refrigeration chamber, and generate return air flow at the first air intake port and the second air intake port respectively.

[0009] According to the double-sided air supply duct assembly of the present invention, the air supply fan is a horizontally arranged cross-flow fan.

[0010] According to the double-sided air supply duct assembly of the present invention, a partition plate is provided between the air supply chamber and the refrigeration chamber; the partition plate is provided with a plurality of strip holes parallel to the cross flow fan.

[0011] According to the double-sided air supply duct assembly of the present invention, the first air inlet is arranged on both sides of the first air suction hood, and the second air inlet is arranged on both sides of the second air suction hood.

[0012] According to the double-sided air supply type air duct assembly of the present invention, a damper plate is rotatably provided at the first air supply port; and a plurality of ventilation holes are provided on the damper plate.

[0013] According to the double-sided air supply type air duct assembly of the present invention, first auxiliary air outlet holes are provided on both sides of the first air supply cover, and second auxiliary air outlet holes are provided on both sides of the second air supply cover.

[0014] According to the double-sided air supply duct assembly of the present invention, it also includes a frame member; a first air suction hood, a first air supply hood and a second air suction hood, a second air supply hood are respectively provided on both sides of the frame member; a cover plate is provided on the top of the frame member; the frame member is divided into the air supply chamber and the refrigeration chamber.

[0015] A double-box refrigerator, comprising a cabinet, wherein a refrigerating liner and a freezing liner are arranged in the cabinet; a refrigerating chamber and a freezing chamber are formed in the refrigerating liner and the freezing liner respectively;

[0016] The two-side air supply type air duct assembly is provided between the refrigerating inner tank and the freezing inner tank; the first air intake port and the first air supply port of the air duct assembly are both connected to the refrigerating compartment, and the second air intake port and the second air supply port are both connected to the freezing compartment;

[0017] The cabinet body is also rotatably connected to a refrigerating cabinet cover and a freezing cabinet cover corresponding to the refrigerating inner container and the freezing inner container respectively.

[0018] According to the double-sided air supply duct assembly of the present invention, a push switch electrically connected to the air blower is provided on the cover plate; the push switch is configured as follows: when the freezer cover is opened, the push switch is disengaged and the air blower is shut down; when the freezer cover is closed, the push switch is pressed and the air blower is started again.

[0019] According to the double-sided air supply duct assembly of the present invention, the bottom of the refrigeration chamber is connected to a drain pipe; the outlet end of the drain pipe is arranged in an evaporating dish; a compressor is arranged at the bottom of the cabinet; and the evaporating dish is arranged close to the compressor.

[0020] In summary, the two-sided air supply duct assembly of the present invention realizes independent air supply airflow and return airflow on both sides, each forming an independent air cycle, thereby shortening the air supply distance. The two air cycles of the duct assembly share one evaporator, which simplifies the structure and reduces the overall volume. The present invention also provides a double-box refrigerator, which uses the space between the refrigerated liner and the frozen liner to set the duct assembly, thereby reducing the storage space occupied and increasing the effective storage volume. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the double-sided air supply type air duct assembly of the present invention;

[0022] Figure 2 yes Figure 1 A schematic diagram of a working state of a local area in the middle;

[0023] Figure 3 yes Figure 1 A partial cross-sectional schematic diagram along the A axis;

[0024] Figure 4 yes Figure 1 A full cross-sectional view in the middle A direction;

[0025] Figure 5 It is a structural schematic diagram of a double-box refrigerator of the present invention;

[0026] Figure 6 yes Figure 5 Schematic diagram of the internal structure in the middle B direction;

[0027] In the figure: 1-first air suction hood, 11-first air suction port; 2-first air supply hood, 21-first air supply port, 22-first auxiliary air outlet, 23-air damper plate, 231-air vent; 3-second air suction hood, 31-second air suction port; 4-second air supply hood, 41-second air supply port, 42-second auxiliary air outlet; 5-cover plate, 51-press switch; 6-frame member, 61-drain pipe, 62-partition plate; 7-evaporator, 71-cross flow fan; 8-cabinet, 81-refrigerator cover, 82-freezer cover, 83-refrigerator liner, 831-refrigerator compartment; 84-freezer liner, 841-freezer compartment; 85-compressor, 86-evaporating dish. DETAILED DESCRIPTION

[0028] See also Figure 1-4 The present invention provides a two-side air supply type air duct assembly, comprising an air supply chamber containing a blower and a refrigeration chamber containing an evaporator 7 located below the air supply chamber; a first air suction hood 1 and a second air suction hood 3 are respectively provided on both sides of the refrigeration chamber; a first air supply hood 2 located above the first air suction hood 1 is provided on one side of the air supply chamber, and a second air supply hood 4 located above the second air suction hood 3 is provided on the other side;

[0029] The first air suction hood 1 is provided with a first air suction port 11, and the first air supply hood 2 is provided with a first air supply port 21; the second air suction hood 3 is provided with a second air suction port 31, and the second air supply hood 4 is provided with a second air supply port 41;

[0030] The blower is configured to: draw gas in the refrigeration chamber into the air supply chamber, increase the pressure in the air supply chamber, and generate air supply airflow at the first air supply port 21 and the second air supply port 41; at the same time, form a negative pressure in the refrigeration chamber, and generate a return airflow at the first air intake port 11 and the second air intake port 31;

[0031] The blower of the present invention may be an axial flow blower; preferably, the blower of the present invention is a cross flow blower 71; the cross flow blower is arranged horizontally; the airflow is sucked from the refrigeration chamber radially, and then discharged radially into the air supply chamber, and the airflow conveying process is smooth. The airflow is discharged uniformly along the axial direction of the cross flow blower 71, and the dynamic pressure coefficient is high. In addition, the cross flow blower 71 has a simple structure and a small volume, which simplifies the overall structure.

[0032] As an example, combining Figure 3 and Figure 4 A partition plate 62 is provided between the air supply chamber and the refrigeration chamber, which is conducive to increasing the pressure in the air supply chamber and generating negative pressure in the refrigeration chamber. The partition plate 62 is provided with a plurality of strip holes parallel to the cross flow fan 71, which is conducive to the smooth passage of airflow.

[0033] Combination Figure 6 The air duct assembly of the present invention can be provided with a refrigerating compartment 831 and a freezing compartment 841 on both sides thereof respectively; an air flow circulation is generated in the refrigerating compartment 831 through the first air suction hood 1 and the first air supply hood 2; an air flow circulation is generated in the freezing compartment 841 through the second air suction hood 3 and the second air supply hood 4. Air can be directly supplied to the two compartments respectively, and an independent air circulation is formed. The air supply distance is shortened.

[0034] As an embodiment, the first air inlet 11 is arranged on both sides of the first air suction hood 1, and the second air inlet 31 is arranged on both sides of the second air suction hood 3; to prevent the air inlet 11 from being blocked by items stored in the compartment;

[0035] Preferably, first auxiliary air outlet holes 22 are provided on both sides of the first air supply cover 2, and second auxiliary air outlet holes 42 are provided on both sides of the second air supply cover 4; the number of air supply holes is increased to make the temperature in the room more balanced.

[0036] The present invention controls the air supply volume of the two side chambers by controlling the flux ratio of the first air supply port 21 and the second air supply port 41, thereby controlling the temperature of the two chambers.

[0037] Optionally, those skilled in the art may set the ratio of the cross-sectional areas of the first air supply port 21 and the second air supply port 41 according to the different refrigeration temperatures of the compartments on both sides, so as to control the ventilation volume on both sides.

[0038] See also Figure 2 As an embodiment, a damper plate 23 is rotatably provided at the first air supply outlet 21; the opening of the first air supply outlet 21 is regulated by controlling the rotation angle of the damper plate 23.

[0039] Furthermore, a plurality of vents 231 are provided on the damper plate 23; when the damper plate 23 is completely closed, air is supplied through the vents 231 to limit the minimum air supply volume.

[0040] The air duct assembly of the present invention realizes independent air supply and return air flow on both sides, each forming an independent air cycle, thereby shortening the air supply distance. The two air cycles of the air duct assembly share one evaporator 7, simplifying the structure and reducing the overall volume.

[0041] As an embodiment, the double-sided air supply duct assembly of the present invention further includes a frame member 6; the first air suction hood 1, the first air supply hood 2, the second air suction hood 3, and the second air supply hood 4 are respectively provided on both sides of the frame member 6; a cover plate 5 is provided on the top of the frame member 6; the frame member 6 is divided into the air supply chamber and the refrigeration chamber;

[0042] See also Figure 5 and Figure 6 The present invention also provides a double-box refrigerator, comprising a cabinet body 8, wherein a refrigerating liner 83 and a freezing liner 84 are provided in the cabinet body 8; a refrigerating chamber 831 and a freezing chamber 841 are formed in the refrigerating liner 83 and the freezing liner 84 respectively;

[0043] The two-side air supply duct assembly is provided between the refrigerating liner 83 and the freezing liner 84; the first air inlet 11 and the first air supply 21 of the duct assembly are both connected to the refrigerating compartment 831, and the second air inlet 31 and the second air supply 41 are both connected to the freezing compartment 841;

[0044] The cabinet body 8 is also rotatably connected to a refrigerator cover 81 and a freezer cover 82 corresponding to the refrigeration liner 83 and the freezing liner 84 respectively;

[0045] The air duct assembly of the present invention is arranged between the refrigerated liner 83 and the frozen liner 84, which reduces the storage space occupied and increases the effective storage volume. The air duct assembly independently supplies air to the refrigerated compartment 831 and the frozen compartment 841, with a short air supply distance and low cold loss. The air supply ports on both sides are close to the top opening of the liner with a higher temperature, and the cold air flow naturally descends from the top, making the temperature in the storage compartment more balanced.

[0046] More preferably, the cross-sectional shape of the frame member 6 of the present invention is "C"-shaped, so as to facilitate connection and cooperation with the middle beam of the cabinet.

[0047] As an embodiment, a push switch 51 electrically connected to the blower is provided on the cover plate 5; the push switch 51 is configured such that when the freezer cover 82 is opened, the push switch 51 is disengaged to turn off the blower; when the user is taking or placing items, no cold air is blown out of the second air outlet 41, thereby improving the user experience. When the freezer cover 82 is closed, the push switch 51 is pressed to start the blower.

[0048] As an embodiment, the bottom of the refrigeration chamber is connected to a drain pipe 61; the outlet end of the drain pipe 61 is arranged in an evaporating dish 86; the defrosted water is discharged into the evaporating dish 86 for treatment. A compressor 85 is arranged at the bottom of the cabinet 8; the evaporating dish 86 is arranged close to the compressor 85, and the heat of the compressor 85 is used to evaporate the defrosted water in the evaporating dish 86.

[0049] In summary, the present invention provides a two-sided air supply duct assembly, which realizes independent air supply airflow and return airflow on both sides, respectively, and each forms an independent air cycle, thereby shortening the air supply distance. The two air cycles of the duct assembly share an evaporator, which simplifies the structure and reduces the overall volume. The present invention also provides a double-box freezer, which uses the space between the refrigerated liner and the frozen liner to set the duct assembly, thereby reducing the storage space occupied and increasing the effective storage volume.

[0050] Of course, the present invention may have many other embodiments. Without departing from the spirit and essence of the present invention, those skilled in the art may make various corresponding changes and modifications based on the present invention, but these corresponding changes and modifications should all fall within the scope of protection of the claims attached to the present invention.

Claims

1. A two-side air supply duct assembly, characterized in that: It comprises an air supply chamber containing a blower and a refrigeration chamber containing an evaporator located below the air supply chamber; a first air suction hood and a second air suction hood are respectively provided on both sides of the refrigeration chamber; a first air supply hood located above the first air suction hood is provided on one side of the air supply chamber, and a second air supply hood located above the second air suction hood is provided on the other side; The first air suction hood is provided with a first air suction port, and the first air supply hood is provided with a first air supply port; the second air suction hood is provided with a second air suction port, and the second air supply hood is provided with a second air supply port; The blower is configured to: draw the gas in the refrigeration chamber into the air supply chamber, increase the pressure in the air supply chamber, and generate supply air flow at the first air supply port and the second air supply port respectively; at the same time, form a negative pressure in the refrigeration chamber, and generate return air flow at the first air intake port and the second air intake port respectively.

2. The double-sided air supply duct assembly according to claim 1, characterized in that: The air supply fan is a horizontally arranged cross-flow fan.

3. The double-sided air supply duct assembly according to claim 2, characterized in that: A partition plate is provided between the air supply chamber and the refrigeration chamber; the partition plate is provided with a plurality of strip holes parallel to the cross flow fan.

4. The double-sided air supply duct assembly according to claim 1, characterized in that: The first air inlet is arranged on both sides of the first air suction hood, and the second air inlet is arranged on both sides of the second air suction hood.

5. The double-sided air supply duct assembly according to claim 1, characterized in that: A damper plate is rotatably arranged at the first air supply port; a plurality of ventilation holes are provided on the damper plate.

6. The double-sided air supply duct assembly according to claim 1, characterized in that: Both sides of the first air supply cover are provided with first auxiliary air outlet holes, and both sides of the second air supply cover are provided with second auxiliary air outlet holes.

7. The double-sided air supply duct assembly according to any one of claims 1 to 6, characterized in that: It also includes a frame member; a first air suction hood, a first air supply hood, a second air suction hood, and a second air supply hood are respectively arranged on both sides of the frame member; a cover plate is arranged on the top of the frame member; and the frame member is divided into the air supply chamber and the refrigeration chamber.

8. A double box refrigerator, characterized in that: A cabinet is provided with a refrigerating liner and a freezing liner in the cabinet; a refrigerating chamber and a freezing chamber are formed in the refrigerating liner and the freezing liner respectively; A two-side air supply duct assembly as claimed in claim 7 is provided between the refrigeration liner and the freezing liner; the first air intake port and the first air supply port of the duct assembly are both connected to the refrigeration compartment, and the second air intake port and the second air supply port are both connected to the freezing compartment; The cabinet body is also rotatably connected to a refrigerating cabinet cover and a freezing cabinet cover corresponding to the refrigerating inner container and the freezing inner container respectively.

9. The double-sided air supply duct assembly according to claim 8, characterized in that: The cover plate is provided with a push switch electrically connected to the air blower; the push switch is configured such that when the freezer cover is opened, the push switch is disengaged and the air blower is shut down; when the freezer cover is closed, the push switch is pressed and the air blower is started again.

10. The double-sided air supply duct assembly according to claim 8, characterized in that: The bottom of the refrigeration chamber is connected to a drain pipe; the outlet end of the drain pipe is arranged in an evaporating dish; a compressor is arranged at the bottom of the cabinet; and the evaporating dish is arranged close to the compressor.

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