CN113375387A - Air supply assembly and refrigerator - Google Patents

Abstract

The invention discloses an air supply assembly and a refrigerator, and relates to the technical field of household appliances, wherein the air supply assembly comprises a shell and a rotary disc, the shell defines a cavity, the shell is provided with a first ventilation opening and a second ventilation opening which are communicated with the cavity, the first ventilation opening is communicated with an air duct of the refrigerator, the second ventilation opening is constructed into a plurality of air vents, and the plurality of second ventilation openings are respectively arranged corresponding to a plurality of compartments; the turntable is rotatably connected to the shell and covers all the second ventilation openings, the turntable is provided with at least two communication openings, and on a rotating path of the turntable, each communication opening can be communicated with one or more second ventilation openings so that the corresponding compartment is communicated with the first ventilation openings. The invention can realize that the air duct can respectively and independently control the temperature of a plurality of chambers or simultaneously control the temperature of a plurality of chambers, and has high temperature control efficiency and good temperature control effect; and the air supply assembly structure occupies small space, so that the space utilization rate of the refrigerator is improved, and the manufacturing cost of the refrigerator is reduced.

Description

Air supply assembly and refrigerator

Technical Field

The invention relates to the technical field of household appliances, in particular to an air supply assembly and a refrigerator.

Background

Along with the improvement of the requirement of a user on the preservation of food materials, the food materials which can be purchased are increasingly abundant, and the suitable storage temperatures of different food materials are different, so that a refrigerator and other low-temperature storage equipment are required to have the function of a multi-temperature area so as to meet the requirement of the user. In the prior art, the method for realizing the multi-temperature zone is mostly realized by combining a turnover type electric air door with an air channel, and particularly, when the temperature of a plurality of compartments with different temperatures is controlled, a plurality of air doors are required to be arranged, so that the structural design occupies too much space and has higher manufacturing cost.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides an air supply assembly which can realize the temperature control of a plurality of compartments respectively, and has small occupied space and low manufacturing cost.

The invention also provides a refrigerator with the air supply assembly.

An air supply assembly according to an embodiment of a first aspect of the present invention is applied to a refrigerator having a plurality of compartments, and includes: the refrigerator comprises a shell, a first air inlet, a second air inlet and a control device, wherein the shell defines a cavity, the shell is provided with a first air vent and a second air vent which are communicated with the cavity, the first air vent is communicated with an air channel of the refrigerator, the second air vent is in a plurality, and the second air vents are respectively arranged corresponding to the compartments; the rotating disc is rotatably connected to the shell and covers all the second ventilation openings, at least two communication openings are formed in the rotating disc, and each communication opening can be communicated with one or more second ventilation openings along the rotating path of the rotating disc so that the corresponding compartment is communicated with the first ventilation openings.

According to the air supply assembly provided by the embodiment of the invention, at least the following beneficial effects are achieved:

the shell is provided with a cavity and is provided with a first ventilation opening communicated with an air duct of the refrigerator and a plurality of second ventilation openings correspondingly arranged with a plurality of compartments, the turntable covers all the second ventilation openings, and on the rotating path of the turntable, one communication opening is communicated with one or more second ventilation openings so as to ensure that the corresponding compartment is communicated with the first ventilation opening or a plurality of compartments are simultaneously communicated with the first ventilation opening; the user can select different compartments according to the types of food materials and set different refrigerating temperatures; and the air supply assembly structure occupies small space and has low manufacturing cost.

According to some embodiments of the invention, at least one of the communication openings is elongated.

According to some embodiments of the invention, the turntable is provided with a flange protruding from one end facing the second ventilation opening, the flange is attached to the opposite end face of the housing, the communication opening is provided with a sealing edge protruding from one end facing the second ventilation opening in the circumferential direction, and the sealing edge is attached to the opposite end face of the housing.

According to some embodiments of the invention, the flange is provided with a sealing strip at an end which is attached to the housing.

According to some embodiments of the invention, further comprising a drive mechanism in driving connection with the turntable.

According to some embodiments of the invention, the drive mechanism comprises: the mounting seat is connected with the shell; the motor is fixedly arranged in the mounting seat; the gear is connected with an output shaft of the motor; the periphery of the rotary table is provided with a rack, and the rack is meshed with the gear to drive the rotary table to rotate.

According to some embodiments of the invention, the rotating disc is disposed in the cavity, a rotating shaft is disposed in the cavity along an axial direction of the rotating disc, and the rotating disc is provided with a rotating hole matched with the rotating shaft.

According to some embodiments of the invention, the housing includes a mounting frame and a cover plate, the mounting frame and the cover plate enclose the cavity, the first ventilation opening is disposed on the mounting frame, and the plurality of second ventilation openings are disposed on the cover plate at intervals.

According to some embodiments of the invention, the mounting bracket and the cover plate are detachably connected.

The refrigerator according to the second aspect embodiment of the present invention includes the air supply assembly described in the above embodiments.

According to the refrigerator provided by the embodiment of the invention, at least the following beneficial effects are achieved:

the air supply assembly is provided with a rotary disc with a communication port, the rotary disc is rotatably connected with the shell, the shell defines a cavity and is provided with a first ventilation opening communicated with an air duct of the refrigerator and a plurality of second ventilation openings correspondingly arranged with a plurality of compartments, the rotary disc covers all the second ventilation openings, and on the rotation path of the rotary disc, one communication port is communicated with one or more second ventilation openings so as to ensure that the corresponding compartments are communicated with the first ventilation opening or a plurality of compartments are simultaneously communicated with the first ventilation opening, and at least two communication ports are communicated with the plurality of second ventilation openings so as to ensure that the plurality of compartments are simultaneously communicated with the first ventilation opening, so that the air duct can independently control the temperature of the plurality of compartments or simultaneously control the temperature of the plurality of compartments, and the air supply assembly is high in temperature control efficiency and good in temperature control effect; the user can select different compartments according to the types of food materials and set different refrigerating temperatures; and the air supply assembly structure occupies small space, so that the space utilization rate of the refrigerator is improved, and the manufacturing cost of the refrigerator is reduced.

According to some embodiments of the invention, the air duct comprises an air inlet duct and an air return duct, the plurality of compartments respectively have an air inlet and an air return inlet, and the turntable is arranged in the cavity; the air inlet duct is communicated with the first ventilation opening, and the plurality of second ventilation openings are respectively communicated with the air inlets of the corresponding chambers; or the plurality of second ventilation openings are respectively communicated with the corresponding air return openings of the compartments, and the air return duct is communicated with the first ventilation opening.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of a refrigerator according to an embodiment of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 with the compartments removed;

FIG. 3 is an enlarged view of a portion of the intermediate chamber and blower assembly of FIG. 1;

fig. 4 is a schematic view of a refrigerator according to another embodiment of the present invention;

FIG. 5 is a schematic view of a compartment of a refrigerator according to another embodiment of the present invention;

fig. 6 is a schematic view of a refrigerator according to another embodiment of the present invention;

FIG. 7 is a schematic view of a compartment of a refrigerator according to another embodiment of the present invention;

FIG. 8 is an exploded view of an air delivery assembly according to one embodiment of the present invention;

fig. 9 is an enlarged view of the turntable of fig. 8.

Reference numerals:

an air supply assembly 10; a compartment 20; an air inlet 21; an air return opening 22; a refrigerating compartment 30; an air duct 40; an air intake duct 41; a return air duct 42; a fan 50; an evaporator 60;

a housing 100; a first vent 110; a second vent 120; a rotating shaft 130; a mounting frame 140; a first connecting member 141; a cover plate 150; a second connection member 151;

a turntable 200; a communication port 210; a flange 220; a sealing edge 230; a rack 240; a rotation hole 250; a boss 251;

a drive mechanism 300; a mount 310; a motor 320; and a gear 330.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, left, right, front, rear, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, several means are one or more, and more means are two or more. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1 and 2, a refrigerator according to an embodiment of the present invention includes a plurality of compartments 20, and the plurality of compartments 20 may be located in a refrigerating compartment 30, and specifically, the compartments 20 may be independent temperature control areas or independent drawers. In addition, the compartments 20 may be integrated into the refrigerator and isolated from the external environment by a door. It should be noted that the plurality of independently temperature-controlled compartments 20 may be provided in 2, 3, 4 or more, and is not limited in particular. It can be understood that, as shown in fig. 3 and 4, an array arrangement is generally adopted among the compartments 20, which facilitates the communication between the air duct 40 of the refrigerator and the compartments 20, reduces the modification cost, and facilitates the use of the compartments 20 by the user; for example, when the number of compartments 20 is set to 4, the 4 compartments 20 may be arranged in a field-shaped layout, thereby achieving a high space utilization of the refrigerator.

Further, referring to fig. 2 and 3, the refrigerator of the present embodiment further includes an air supply assembly 10, the air supply assembly 10 is disposed corresponding to the plurality of compartments 20, the air supply assembly 10 is located at a rear end of the compartments 20, and referring to fig. 4, the refrigerator controls the temperature of each compartment 20 through an air duct 40, so as to implement different temperature control of the plurality of compartments 20.

Referring to fig. 8, an air supply assembly 10 according to an embodiment of the present invention includes a housing 100 and a turntable 200. Specifically, the housing 100 defines a cavity (not shown in the drawings), the housing 100 has a first ventilation opening 110 and a second ventilation opening 120 which are communicated with the cavity, as shown in fig. 4, the first ventilation opening 110 is communicated with the air duct 40 of the refrigerator, the fan 50 transports the cold energy generated by the evaporator 60 to the compartment 20 through the air duct 40, and drives the air in the compartment 20 to flow back to the air duct 40; it should be noted that the air duct 40 includes an air inlet duct 41 and an air return duct 42, and referring to fig. 4, if the first ventilation opening 110 is connected to the air inlet duct 41, the cold energy of the evaporator 60 can be delivered into the cavity through the first ventilation opening 110; referring to fig. 6, if the first vent 110 is connected to the return air duct 42, the cold in the cavity can flow back to the return air duct 42 through the first vent 110.

In addition, the second ventilation opening 120 is configured to be a plurality of and the plurality of second ventilation openings 120 are respectively arranged corresponding to the plurality of compartments 20, that is, the number of the second ventilation openings 120 is the same as that of the compartments 20, and the second ventilation openings 120 correspond to the compartments 20 one by one; it should be noted that each compartment 20 is provided with an air inlet 21 and an air return 22, as shown in fig. 5, if the first ventilation opening 110 is connected to the air inlet duct 41, the second ventilation opening 120 is arranged corresponding to the air inlet 21 of the compartment 20, so as to transport the cold energy of the cavity from the corresponding air inlet 21 to the corresponding compartment 20, and control the temperature of the compartment 20; referring to fig. 7, when the first ventilation opening 110 is connected to the return air duct 42, the second ventilation opening 120 is disposed corresponding to the return air opening 22 of the compartment 20, so that air in the corresponding compartment 20 can flow back into the cavity from the corresponding return air opening 22, and negative pressure is generated in the compartment 20, so that cold energy in the inlet air duct 41 is transferred from the corresponding inlet opening 21 to the corresponding compartment 20, thereby controlling the temperature of the compartment 20.

Referring to fig. 8, the turntable 200 is rotatably connected to the housing 100 and covers all the second ventilation openings 120, so that all the second ventilation openings 120 can be sealed; further, the turntable 200 is provided with at least two communication ports 210, and the at least two communication ports 210 are respectively used for communicating the cavities with the corresponding compartments 20; therefore, as shown in fig. 4 and 6, each communication port 210 can communicate the cavity with the corresponding one or more compartments 20 by rotating to a position corresponding to the one or more second ventilation openings 120, so that the corresponding compartment 20 communicates with the first ventilation opening 110, and the cooling energy of the intake air duct 41 can be transmitted to the corresponding compartment 20, or the air in the corresponding compartment 20 can be returned to the return air duct 42, thereby controlling the temperature of the compartment 20.

It can be understood that the plurality of communication ports 210 are arranged at intervals along the circumferential direction of the turntable 200, and each second ventilation opening 120 needs to be arranged on the rotation path of at least one communication port 210, that is, when at least one of the communication ports 210 rotates to the position of the corresponding second ventilation opening 120, the projection of the communication port 210 and the corresponding second ventilation opening 120 along the front-back direction in fig. 8 at least partially overlap, so as to ensure that each second ventilation opening 120 can be communicated with the communication port 210, and the temperature of each compartment 20 is controlled respectively. Specifically, the purpose of providing at least two communication ports 210 is to: one of the communication ports 210 can be respectively communicated with the corresponding second ventilation port 120 to enable the corresponding compartment 20 to be communicated with the first ventilation port 110, so that the air duct 40 can respectively and independently control the temperature of the plurality of compartments 20; at least two communication ports 210 can be simultaneously communicated with two or more corresponding second ventilation ports 120 respectively, so that the corresponding chambers 20 are communicated with the first ventilation ports 110, and the air duct 40 can simultaneously control the temperature of the chambers 20. For example, when the number of the compartments 20 is 4, the air supply assembly can realize 9 different temperature control states, including controlling the temperature of one of the compartments 20, cooling two of the compartments 20 simultaneously, cooling three of the compartments 20 simultaneously, and cooling four of the compartments 20 simultaneously; when the temperatures in all the compartments 20 are at the target set temperature, the communication ports 210 are closed by the inner wall surface of the casing 100 by rotating the dial 200 to a position where all the communication ports 210 are in contact with the inner wall surface of the casing 100, and the blower assembly 10 is in a standby state.

The air supply assembly 10 of this embodiment is rotatably connected to the housing 100 by providing the rotating disc 200 having at least two communicating ports 210, the housing 100 defines a cavity and has a first vent 110 communicated with the air duct 40 of the refrigerator and a plurality of second vents 120 correspondingly disposed to the plurality of compartments 20, the rotating disc 200 covers all the second vents 120, and on the rotating path of the rotating disc 200, one communicating port 210 can be communicated with one or more second vents 120 to communicate the corresponding compartment 20 with the first vent 110 or the plurality of compartments 20 can be simultaneously communicated with the first vent 110, or the at least two communicating ports 210 can be communicated with the plurality of second vents 120 to simultaneously communicate the plurality of compartments 20 with the first vent 110, thereby realizing that the air duct 40 separately controls the temperature of the plurality of compartments 20 or simultaneously controls the temperature of the plurality of compartments 20, having high temperature control efficiency and good temperature control effect, the user can select different compartments 20 according to the variety of the food materials and set different refrigerating temperatures, so that the refrigerator can realize the refined storage of different food materials; and the air supply assembly 10 has small occupied space and low manufacturing cost.

Referring to fig. 8 and 9, in some embodiments of the invention, at least one communication port 210 is elongated. It can be understood that the elongated communication opening 210 can simultaneously communicate with the plurality of second ventilation openings 120, and can respectively communicate with one, two, or more second ventilation openings 120 in various combinations, such as one, two, or more second ventilation openings 120, by the number coinciding with the plurality of second ventilation openings 120, so as to communicate the corresponding compartment 20 with the first ventilation opening 110 through the cavity, thereby realizing that the air duct 40 simultaneously controls the temperature of the corresponding compartment 20. The temperature control mode of the embodiment is various, the structure is simple, the practicability is high, the number of the communicating ports 210 can be reduced under the condition that the temperature of the compartments 20 with the same number is controlled, the arrangement of the corresponding second ventilating ports 120 in the compartments 20 is facilitated, and the design difficulty is reduced.

In addition, it should be further noted that, as one embodiment, the turntable 200 may be rotatably disposed in the cavity, so that the compartment 20 is communicated with the air duct 40 through the cavity; as another embodiment, the turntable 200 may also be rotatably disposed outside the cavity and on a side of the housing 100 facing the second ventilation opening 120, so that the compartment 20 is communicated with the air duct 40 through the cavity.

Referring to fig. 8 and 9, in some embodiments of the present invention, the turntable 200 is provided with a flange 220 protruding from an end facing the second ventilation opening 120, and the flange 220 is attached to an opposite end surface of the housing 100, so that the outer peripheral wall of the turntable 200 and the inner wall of the housing 100 are better sealed, and cold or air is prevented from leaking between the turntable 200 and the inner wall of the housing 100 and affecting the temperature control accuracy of the compartment 20. Further, all the communication ports 210 are provided with sealing edges 230 at one ends facing the second ventilation openings 120 in a protruding manner along the circumferential direction, and the sealing edges 230 are attached to the opposite end faces of the housing 100, so that the sealing performance between all the communication ports 210 and the inner wall of the housing 100 is better, when the communication ports 210 are only used for conducting part of the second ventilation openings 120, a relatively sealed channel can be formed between the cavity and the corresponding compartment 20, air leakage to other compartments 20 is avoided, and the temperature control precision is further improved. In addition, the sealing edge 230 may be made of a soft plastic material, which ensures that the sealing edge can slide relative to the housing 100 while being attached to the housing 100. It will be appreciated that when the dial 200 is positioned within the cavity, the flange 220 is disposed facing the front projection and the sealing rim 230 is also disposed facing the front projection; when the dial 200 is positioned outside the cavity, the flange 220 is disposed to project rearwardly, and the sealing rim 230 is also disposed to project rearwardly.

In some embodiments of the present invention, referring to fig. 9, a sealing strip (not shown) is disposed at an end of the flange 220, which is attached to the casing 100, to further improve the sealing performance between the outer peripheral wall of the turntable 200 and the inner wall of the casing 100, prevent cold or air from leaking between the turntable 200 and the inner wall of the casing 100, and improve the temperature control accuracy of the compartment 20. In addition, the sealing strip can be made of soft plastic and other materials, so that the sealing strip can be attached to the shell 100 and can slide relative to the shell 100.

In some embodiments of the present invention, referring to fig. 8, the blower assembly 10 further includes a driving mechanism 300, and the driving mechanism 300 is drivingly connected to the turntable 200. It is understood that the driving mechanism 300 can be implemented in various manners, such as a servo motor 320, a gear 330 and rack 240 mechanism, a worm gear mechanism, etc., and the driving mechanism 300 drives the rotating disc 200 to rotate so as to rotate the communication ports 210 to the corresponding second ventilation ports 120 for communicating the cavities with the corresponding compartments 20, thereby implementing automatic control of the temperatures of the compartments 20.

Specifically, referring to fig. 8, the driving mechanism 300 of the present embodiment includes a mounting seat 310, a motor 320, and a gear 330. The mounting seat 310 is connected with the housing 100, and the mounting seat 310 is connected with the housing 100 through a fixed structure or integrally manufactured and molded; the motor 320 is fixedly installed in the installation seat 310 to form a stable installation structure, so that vibration during operation is reduced; the gear 330 is connected with an output shaft of the motor 320, the peripheral edge of the turntable 200 is provided with the rack 240, the rack 240 is meshed with the gear 330, the gear 330 is driven by the motor 320 to rotate so as to drive the turntable 200 to rotate, the structure is stable, the rotating process of the turntable 200 is stable, the adjusting precision of the rotating position of the turntable 200 is high, the matching position of the communication port 210 and the corresponding second ventilation port 120 is better controlled, and the different temperature accurate control of each compartment 20 is realized.

In some embodiments of the present invention, referring to fig. 8, the turntable 200 is disposed in the cavity, which is more compact and can effectively protect the turntable 200. A rotating shaft 130 is arranged in the cavity along the axial direction of the turntable 200, the turntable 200 is provided with a rotating hole 250 matched with the rotating shaft 130, the turntable 200 can rotate along the rotating shaft 130, and the rotating structure is more stable; and the periphery of the rotating hole 250 is also provided with a boss 251 for increasing the strength of the rotating hole 250, so that the service life of the rotating disc 200 is prolonged. As another embodiment, the turntable 200 may be provided with a rotation shaft 130 extending in an axial direction thereof, and rotation holes 250 are provided in the cavities to be engaged with both ends of the rotation shaft 130, respectively, so that the turntable 200 can be stably rotated.

In some embodiments of the present invention, referring to fig. 8, in order to improve manufacturability of the air supply assembly 10, the housing 100 is designed as a split structure, the housing 100 includes a mounting frame 140 and a cover plate 150, the mounting frame 140 and the cover plate 150 enclose to form a cavity, the first ventilation opening 110 is disposed on the mounting frame 140, the mounting frame 140 is mounted at a position of the air duct 40 of the refrigerator, the plurality of second ventilation openings 120 are disposed on the cover plate 150 at intervals, the cover plate 150 is disposed opposite to the plurality of compartments 20 arranged in an array, and each second ventilation opening 120 corresponds to each compartment 20 one by one, so as to achieve independent temperature control of each compartment 20.

In some embodiments of the present invention, as shown in fig. 8, the mounting frame 140 and the cover plate 150 are detachably connected to facilitate assembly of the air supply assembly 10, thereby improving the efficiency of installation. It will be appreciated that the detachable connection may be in various forms, including a bolt connection, a snap connection, etc., and is not particularly limited herein. Specifically, as one of the implementation manners, the mounting frame 140 is provided with a plurality of first connecting members 141 at intervals along the periphery, the cover plate 150 is provided with second connecting members 151 corresponding to the first connecting members 141 one by one along the periphery, and the first connecting members 141 and the second connecting members 151 are clamped together, so that the structure is stable, the air supply assembly 10 can be conveniently assembled and assembled, and the disassembly and maintenance are facilitated.

Referring to fig. 1 and 2, a refrigerator according to an embodiment of the present invention includes an air supply assembly 10 according to the above embodiment. The refrigerator of the present embodiment is configured by that the air supply assembly 10 is provided with a turntable 200 having at least two communication ports 210, the housing 100 is rotatably connected with the casing 100, the casing 100 defines a cavity and has a first ventilation port 110 communicated with the air duct 40 of the refrigerator and a plurality of second ventilation ports 120 arranged corresponding to the plurality of compartments 20, the turntable 200 covers all the second ventilation ports 120, and on the rotation path of the turntable 200, the communication with one or more second vents 120 through one communication port 210 may communicate the corresponding compartment 20 with the first vent 110 or the communication with the first vent 110 may simultaneously communicate a plurality of compartments 20, or the communication with two communication ports 210 and a plurality of second vents 120 may simultaneously communicate a plurality of compartments 20 with the first vent 110, therefore, the air duct 40 can control the temperature of the chambers 20 independently or simultaneously, and the temperature control efficiency is high and the temperature control effect is good; the user can select different compartments 20 according to the variety of the food materials and set different refrigerating temperatures, so that the refrigerator can realize the refined storage of different food materials; and the air supply assembly 10 has a small occupied space, so that the space utilization rate of the refrigerator is improved, and the manufacturing cost of the refrigerator is reduced.

In some embodiments of the present invention, as shown in fig. 4 and 5, the refrigerator further includes an air duct 40 and a plurality of compartments 20, wherein the air duct 40 includes an air inlet duct 41 and an air return duct 42; the compartments 20 are respectively provided with an air inlet 21 and an air return 22; wherein, the turntable 200 is arranged in the cavity; the air inlet duct 41 is communicated with the first vent 110, and the plurality of second vents 120 are respectively communicated with the air inlets 21 of the corresponding compartments 20, so that the cold energy of the air inlet duct 41 is transmitted to the corresponding compartments 20, the temperature of the corresponding compartments 20 is controlled, and the refrigerator can realize the control that the plurality of compartments 20 are respectively set to different storage temperatures.

In some embodiments of the present invention, as shown in fig. 6 and 7, the refrigerator further includes an air duct 40 and a plurality of compartments 20, wherein the air duct 40 includes an air inlet duct 41 and an air return duct 42; the compartments 20 are respectively provided with an air inlet 21 and an air return 22; wherein, the turntable 200 is arranged in the cavity; the plurality of second ventilation openings 120 are respectively communicated with the return air openings 22 of the corresponding compartments 20, the return air duct 42 is communicated with the first ventilation opening 110, so that the air of the corresponding compartments 20 flows back to the return air duct 42 from the return air openings 22, negative pressure is generated in the compartments 20, the cold energy of the inlet air duct 41 is conveyed into the compartments 20 from the air inlets 21 of the corresponding compartments 20, the temperature of the corresponding compartments 20 is controlled, and the refrigerator can realize the control that the plurality of compartments 20 are respectively set to different storage temperatures.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims (11)

1. Air supply assembly, be applied to the refrigerator that has a plurality of compartments, its characterized in that includes:

the refrigerator comprises a shell, a first air inlet, a second air inlet and a control device, wherein the shell defines a cavity, the shell is provided with a first air vent and a second air vent which are communicated with the cavity, the first air vent is communicated with an air channel of the refrigerator, the second air vent is in a plurality, and the second air vents are respectively arranged corresponding to the compartments;

the rotating disc is rotatably connected to the shell and covers all the second ventilation openings, at least two communication openings are formed in the rotating disc, and each communication opening can be communicated with one or more second ventilation openings along the rotating path of the rotating disc so that the corresponding compartment is communicated with the first ventilation openings.

2. An air supply assembly as recited in claim 1, wherein: at least one of the communication openings is long.

3. An air supply assembly as recited in claim 1 or 2, wherein: the turntable is provided with a flange in a protruding mode at one end facing the second ventilation opening, the flange is attached to the end face opposite to the shell, a sealing edge is arranged at one end facing the second ventilation opening in a protruding mode along the circumferential direction, and the sealing edge is attached to the end face opposite to the shell.

4. An air supply assembly as recited in claim 3, wherein: and a sealing strip is arranged at one end of the flange, which is attached to the shell.

5. An air supply assembly as recited in claim 1, wherein: the rotary table further comprises a driving mechanism, and the driving mechanism is in driving connection with the rotary table.

6. An air supply assembly as recited in claim 5, wherein: the drive mechanism includes:

the mounting seat is connected with the shell;

the motor is fixedly arranged in the mounting seat;

the gear is connected with an output shaft of the motor;

the periphery of the rotary table is provided with a rack, and the rack is meshed with the gear to drive the rotary table to rotate.

7. An air supply assembly as recited in claim 1, wherein: the carousel is located in the cavity, follow in the cavity the axial direction of carousel is equipped with the axis of rotation, the carousel be equipped with axis of rotation complex rotation hole.

8. An air supply assembly as recited in claim 1, wherein: the casing includes mounting bracket and apron, the mounting bracket with the apron encloses to close and forms the cavity, first vent is located on the mounting bracket, it is a plurality of second vent interval is located on the apron.

9. An air supply assembly as recited in claim 8, wherein: the mounting bracket and the cover plate are detachably connected.

10. The refrigerator is characterized in that: comprising an air supply assembly as claimed in any of claims 1 to 9.

11. The refrigerator of claim 10, wherein: the air channel comprises an air inlet air channel and an air return air channel, the compartments are respectively provided with an air inlet and an air return inlet, and the rotary table is arranged in the cavity;

the air inlet duct is communicated with the first ventilation opening, and the plurality of second ventilation openings are respectively communicated with the air inlets of the corresponding chambers; or

The second air vents are respectively communicated with the corresponding air return vents of the compartments, and the air return air duct is communicated with the first air vents.

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