Refrigerator multi-return-air system

Abstract

The invention discloses a refrigerator multi-return-air system which is installed on a refrigerator body and comprises a refrigeration air duct assembly, a refrigeration partition plate assembly, a freezing partition plate assembly and a freezing air duct assembly, the refrigeration partition plate assembly and the freezing partition plate assembly are sequentially installed on the refrigerator body at intervals from top to bottom, and the space located above the refrigeration partition plate assembly is a refrigeration area. The space located below the freezing partition plate assembly is a freezing area, the space located between the refrigerating partition plate assembly and the freezing partition plate assembly is a temperature changing area, and the refrigerating air duct assembly is installed on the inner surface of the rear side wall of the refrigerator body and extends to the refrigerating area from the temperature changing area. The freezing air duct assembly is located on the inner surface of the rear side wall of the refrigerator body and located below the freezing partition plate assembly. According to the multi-return-air system of the refrigerator, the temperature of each chamber can be independently adjusted.

Description

Technical field:

[0001] The invention relates to a refrigerator multi-return air system, which belongs to the technical field of refrigerator refrigeration system control. Background technology:

[0002] The return air system for refrigerators consists of a refrigeration duct assembly with an electric damper, a refrigeration partition assembly, a freezing partition assembly, and a freezing duct assembly. With the development of science and technology and the improvement of people's living standards, refrigerators with multiple compartments and separate temperature controls are becoming more and more popular. How to adjust the temperature of each compartment individually has become a technical problem that needs to be solved urgently. Summary of the invention:

[0003] The present invention aims to solve the above problems in the prior art and provides a refrigerator multi-return air system, which can adjust the temperature of each compartment individually.

[0004] The technical solutions adopted in the present invention include: a refrigerator multi-return air system, which is installed on a refrigerator body, and includes a refrigeration duct assembly, a refrigeration partition assembly, a freezing partition assembly and a freezing duct assembly. The refrigeration partition assembly and the freezing partition assembly are installed on the refrigerator body in sequence from top to bottom. The space above the refrigeration partition assembly is the refrigeration zone, the space below the freezing partition assembly is the freezing zone, and the space between the refrigeration partition assembly and the freezing partition assembly is the variable temperature zone. The refrigeration duct assembly is installed on the inner surface of the rear side wall of the refrigerator body, the refrigeration duct assembly extends from the variable temperature zone to the refrigeration zone, the freezing duct assembly is located on the inner surface of the rear side wall of the refrigerator body, and the freezing duct assembly is located below the freezing partition assembly.

[0005] Furthermore, the refrigeration air duct assembly includes a refrigeration duct front plate, a duct foam front plate, a duct foam rear plate and a refrigeration duct rear plate which are assembled together in sequence from front to back, and four spaced-apart refrigeration front air outlets are formed on the front side of the refrigeration duct front plate, and the refrigeration front air outlets are connected to the space enclosed by the refrigeration duct front plate and the duct foam front plate.

[0006] Furthermore, two spaced-apart freezing return air vents are formed on the bottom surface of the freezing air duct front plate, and the freezing return air vents are connected to the space enclosed by the freezing air duct front plate, the freezing air duct rear plate and the rear side wall of the freezing area of ​​the refrigerator body.

[0007] Furthermore, a fan is installed on the duct foam front plate, and a variable temperature return air cavity is formed in a depression on the surface of the duct foam front plate facing the freezing duct front plate, and a refrigerated return air cavity is formed in a depression on the surface of the duct foam rear plate facing the duct foam front plate.

[0008] Furthermore, an upper air port of the freezing air duct is formed at the upper end of the freezing air duct assembly, and the upper air port of the freezing air duct is connected to the space enclosed by the freezing air duct front plate and the air duct foam front plate.

[0009] Furthermore, a refrigeration air duct air inlet and a variable temperature air duct air inlet which are connected to its internal space are provided on the lower surface of the refrigeration air duct assembly, the refrigeration air duct air inlet is opposite to the upper air inlet of the freezing air duct located on the left, and the variable temperature air duct air inlet is opposite to the upper air inlet of the freezing air duct located on the right.

[0010] Furthermore, a variable temperature air outlet communicating with the internal space of the refrigeration air duct assembly is provided on the front panel thereof, and the space between the position above the variable temperature air outlet on the refrigeration air duct assembly and the refrigerator body forms the refrigeration air duct outlet.

[0011] Furthermore, a refrigeration air duct return air outlet communicating with the internal space of the refrigeration air duct assembly is provided on the refrigeration air duct assembly at a position on one side of the refrigeration air duct air outlet.

[0012] Furthermore, a refrigerated partition refrigerated return air outlet that is in communication with the refrigerated air duct return air outlet is formed on the refrigerated partition assembly at a position opposite to the refrigerated air duct return air outlet, and the refrigerated partition refrigerated return air outlet is located above the refrigerated air duct return air outlet.

[0013] Furthermore, a variable temperature return air inlet and a freezing partition refrigerated return air inlet spaced apart from each other front and back are formed on the freezing partition assembly; the freezing partition refrigerated return air inlet is located below the refrigerated air duct return air inlet and above the refrigerated return air cavity; the refrigerated partition refrigerated return air inlet, the refrigerated air duct return air inlet, the freezing partition refrigerated return air inlet and the refrigerated return air cavity are interconnected from top to bottom; the variable temperature return air inlet is located above the variable temperature return air cavity and is interconnected with the interior of the variable temperature return air cavity.

[0014] The present invention has the following beneficial effects: the multi-return air system of the refrigerator of the present invention can adjust the temperature of each compartment individually. Description of the drawings:

[0015] Figure 1 This is a schematic diagram of the exploded view of the refrigeration duct assembly.

[0016] Figure 2 This is a schematic diagram of the assembly of the refrigeration duct components.

[0017] Figure 3 Schematic diagram of refrigeration air duct assembly.

[0018] Figure 4 Another schematic diagram of the refrigeration air duct assembly.

[0019] Figure 5 Schematic diagram of the refrigerated partition assembly.

[0020] Figure 6 Schematic diagram of the freezing partition assembly.

[0021] Figure 7 This is a schematic diagram of the refrigerator multi-return air system. Specific implementation method:

[0022] The present invention will be further described below in conjunction with the accompanying drawings.

[0023] The refrigerator multi-return air system of the present invention is installed on a refrigerator body 1, and includes a refrigerating air duct assembly 2, a refrigerating partition assembly 3, a freezing partition assembly 4 and a freezing air duct assembly 5. The refrigerating partition assembly 3 and the freezing partition assembly 4 are installed on the refrigerator body 1 in sequence from top to bottom, wherein the space above the refrigerating partition assembly 3 is a refrigerating area, the space below the freezing partition assembly 4 is a freezing area, and the space between the refrigerating partition assembly 3 and the freezing partition assembly 4 is a variable temperature area.

[0024] The refrigeration air duct assembly 2 is installed on the inner surface of the rear side wall of the refrigerator body 1, and the refrigeration air duct assembly 2 extends to the refrigeration area and the temperature change area. The freezing air duct assembly 5 is located on the inner surface of the rear side wall of the refrigerator body 1, and the freezing air duct assembly 5 is located below the freezing partition assembly 4.

[0025] The freezing air duct assembly 5 includes a freezing air duct front plate 50, a duct foam front plate 51, a duct foam rear plate 52 and a freezing air duct rear plate 53 which are assembled together from front to back in sequence. Four spaced freezing front air ports 500 are formed on the front side of the freezing air duct front plate 50, and the freezing front air ports 500 are connected to the space surrounded by the freezing air duct front plate 50 and the duct foam front plate 51. Two spaced freezing return air ports 501 are formed on the bottom surface of the freezing air duct front plate 50, and the freezing return air ports 501 are connected to the space surrounded by the freezing air duct front plate 50, the freezing air duct rear plate 53 and the freezing inner wall of the refrigerator body. A fan 6 is installed on the duct foam front plate 51, and a variable temperature return air cavity 510 is formed on the surface of the duct foam front plate 51 facing the freezing air duct front plate 50. A refrigeration return air cavity 520 is formed on the surface of the duct foam rear plate 52 facing the duct foam front plate 51.

[0026] An upper air port 54 of the freezing air duct is formed at the upper end of the freezing air duct assembly 5 , and the upper air port 54 of the freezing air duct is connected to the space enclosed by the freezing air duct front plate 50 and the air duct foam front plate 51 .

[0027] A refrigeration duct air inlet 20 and a variable temperature duct air inlet 21 which are connected to the internal space are provided on the lower surface of the refrigeration duct assembly 2, wherein the refrigeration duct air inlet 20 is opposite to the upper air inlet 54 of the freezing duct located on the left, and the variable temperature duct air inlet 21 is opposite to the upper air inlet 54 of the freezing duct located on the right.

[0028] A variable temperature air outlet 22 is provided on the front panel of the refrigeration air duct assembly 2 and is connected to the internal space thereof. The space between the position above the variable temperature air outlet 22 on the refrigeration air duct assembly 2 and the refrigerator body 1 forms a refrigeration air duct outlet 23. A refrigeration air duct return air outlet 24 is provided on the refrigeration air duct assembly 2 and is connected to the internal space thereof and is located on one side of the refrigeration air duct outlet 23.

[0029] A refrigerated partition refrigerated air return outlet 30 that is in communication with the refrigerated air duct return outlet 24 is formed on the refrigerated partition assembly 3 at a position opposite to the refrigerated air duct return air outlet 24 . The refrigerated partition refrigerated air return outlet 30 is located above the refrigerated air duct return air outlet 24 .

[0030] The freezing partition assembly 4 is formed with a variable temperature return air vent 40 and a freezing partition refrigeration return air vent 41 spaced apart from each other. The freezing partition refrigeration return air vent 41 is located below the refrigeration duct return air vent 24 and above the refrigeration return air cavity 520. The refrigeration partition refrigeration return air vent 30, the refrigeration duct return air vent 24, the freezing partition refrigeration return air vent 41 and the refrigeration return air cavity 520 are interconnected from top to bottom. The variable temperature return air vent 40 is located above the variable temperature return air cavity 510 and is interconnected with the inside of the variable temperature return air cavity 510.

[0031] The refrigerator multi-return air system of the present invention has the following working principle:

[0032] (1) When the fan 6 inside the freezing air duct assembly 5 rotates, a portion of the air is blown out from the freezing front air outlet 500, then enters the freezing return air outlet 501, and then enters the fan for circulation, realizing the air volume circulation of the freezing chamber, thereby realizing the adjustment of the freezing chamber temperature.

[0033] (2) When the fan 6 inside the freezing air duct assembly 5 rotates, another part of the air is blown out from the upper air port 54 of the freezing air duct, and then enters the refrigeration air duct air inlet 20 and the variable temperature air duct air inlet 21 respectively. The air entering the variable temperature air duct air inlet 21 is blown out from the variable temperature air outlet 22 and enters the variable temperature room, and then enters the variable temperature return air port 40, and finally enters the variable temperature return air cavity 510, realizing the air volume circulation of the variable temperature room, thereby realizing the adjustment of the temperature of the variable temperature room.

[0034] (3) When the fan 6 inside the freezing air duct assembly 5 rotates, another part of the wind is blown out from the upper air outlet 54 of the freezing air duct, and then enters the refrigeration air duct air inlet 20 and the variable temperature air duct air inlet 21 respectively. The wind entering the refrigeration air duct air inlet 20 is blown out from the refrigeration air duct air outlet 23 and enters the refrigeration chamber, and then enters the refrigeration air duct return air outlet 24, and finally enters the freezing partition refrigeration return air outlet 41 and the refrigeration return air cavity 520, realizing the air volume circulation of the freezing chamber, thereby realizing the adjustment of the temperature of the freezing chamber.

[0035] The above description is only a preferred embodiment of the present invention. It should be pointed out that a person skilled in the art can make several improvements without departing from the principle of the present invention, and these improvements should also be regarded as within the protection scope of the present invention.

Claims

1. A refrigerator multi-return air system, installed on a refrigerator body (1), characterized in that: The refrigerator comprises a refrigerating air duct assembly (2), a refrigerating partition assembly (3), a freezing partition assembly (4) and a freezing air duct assembly (5), wherein the refrigerating partition assembly (3) and the freezing partition assembly (4) are installed on a refrigerator body (1) in sequence from top to bottom, the space above the refrigerating partition assembly (3) is a refrigerating area, the space below the freezing partition assembly (4) is a freezing area, the space between the refrigerating partition assembly (3) and the freezing partition assembly (4) is a variable temperature area, the refrigerating air duct assembly (2) is installed on the inner surface of the rear side wall of the refrigerator body (1), the refrigerating air duct assembly (2) extends from the variable temperature area to the refrigerating area, the freezing air duct assembly (5) is located on the inner surface of the rear side wall of the refrigerator body (1), and the freezing air duct assembly (5) is located below the freezing partition assembly (4).

2. The refrigerator multi-return air system according to claim 1, characterized in that: The freezing air duct assembly (5) includes a freezing air duct front plate (50), a duct foam front plate (51), a duct foam rear plate (52) and a freezing air duct rear plate (53) which are assembled together in sequence from front to back, and four spaced freezing front air vents (500) are formed on the front side surface of the freezing air duct front plate (50), and the freezing front air vents (500) are connected to the space enclosed by the freezing air duct front plate (50) and the duct foam front plate (51).

3. The refrigerator multi-return air system according to claim 2, characterized in that: Two spaced-apart freezing return air vents (501) are formed on the bottom surface of the freezing air duct front plate (50), and the freezing air return vents (501) are connected to the space enclosed by the freezing air duct front plate (50), the freezing air duct rear plate (53) and the rear side wall of the freezing area of ​​the refrigerator body.

4. The refrigerator multi-return air system according to claim 3, characterized in that: A fan (6) is installed on the air duct foam front plate (51), and a variable temperature return air cavity (510) is formed in a depression on the surface of the air duct foam front plate (51) facing the freezing air duct front plate (50), and a refrigeration return air cavity (520) is formed in a depression on the surface of the air duct foam rear plate (52) facing the air duct foam front plate (51).

5. The refrigerator multi-return air system according to claim 4, characterized in that: The upper end of the freezing air duct assembly (5) is formed with an upper air port (54) of the freezing air duct, and the upper air port (54) of the freezing air duct is connected to the space enclosed by the freezing air duct front plate (50) and the air duct foam front plate (51).

6. The refrigerator multi-return air system according to claim 5, characterized in that: The lower surface of the refrigeration air duct assembly (2) is provided with a refrigeration air duct air inlet (20) and a variable temperature air duct air inlet (21) which are connected to the internal space thereof; the refrigeration air duct air inlet (20) is opposite to the upper air inlet (54) of the freezing air duct located on the left side, and the variable temperature air duct air inlet (21) is opposite to the upper air inlet (54) of the freezing air duct located on the right side.

7. The refrigerator multi-return air system according to claim 6, characterized in that: A variable temperature air outlet (22) which is in communication with the internal space of the refrigeration air duct assembly (2) is provided on the front panel of the refrigeration air duct assembly (2), and the space between the position on the refrigeration air duct assembly (2) above the variable temperature air outlet (22) and the refrigerator body (1) forms a refrigeration air duct outlet (23).

8. The refrigerator multi-return air system according to claim 7, characterized in that: A refrigeration duct return air port (24) communicating with the internal space of the refrigeration duct assembly (2) is provided on the refrigeration duct assembly (2) and is located on one side of the refrigeration duct air outlet (23).

9. The refrigerator multi-return air system according to claim 8, characterized in that: A refrigerated partition refrigerated air return outlet (30) which is in communication with the refrigerated air duct return outlet (24) is formed on the refrigerated partition assembly (3) at a position opposite to the refrigerated air duct return outlet (24), and the refrigerated partition refrigerated air return outlet (30) is located above the refrigerated air duct return outlet (24).

10. The refrigerator multi-return air system according to claim 9, characterized in that: The freezing partition assembly (4) is formed with a variable temperature return air inlet (40) and a freezing partition refrigeration return air inlet (41) spaced apart from each other in the front and rear. The freezing partition refrigeration return air inlet (41) is located below the refrigeration duct return air inlet (24) and above the refrigeration return air chamber (520). The refrigeration partition refrigeration return air inlet (30), the refrigeration duct return air inlet (24), the freezing partition refrigeration return air inlet (41) and the refrigeration return air chamber (520) are interconnected from top to bottom. The variable temperature return air inlet (40) is located above the variable temperature return air chamber (510) and is interconnected with the interior of the variable temperature return air chamber (510).

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