Air duct system of refrigeration device and refrigeration device

Abstract

The present application relates to the field of refrigeration apparatuses. Provided are an air duct system of a refrigeration apparatus, and the refrigeration apparatus. The air duct system comprises: an ice-making air duct assembly, which is adapted to be arranged in a refrigerator compartment liner of the refrigeration apparatus and comprises an ice-making air duct front cover plate, and an ice-making air duct is formed between the ice-making air duct front cover plate and one part of a side wall of the refrigerator compartment liner, and is adapted to be in communication with an ice-making compartment to form an ice-making air circulation structure; and a refrigeration air duct assembly, which is adapted to be arranged in the refrigerator compartment liner and comprises a refrigeration air duct cover plate.

1 . An air duct system for refrigeration device, comprising:
 an ice-making air duct assembly, provided inside a refrigerator cabinet liner of the refrigeration device and comprising an ice-making air duct front cover plate, wherein an ice-making air duct is formed between the ice-making air duct front cover plate and a part of a side wall of the refrigerator cabinet liner, and the ice-making air duct communicates with an ice-making compartment inside the refrigerator cabinet liner to form an ice-making air circulation structure; and   a refrigerator air duct assembly, provided inside the refrigerator cabinet liner and comprising a refrigerator air duct cover plate, wherein a refrigerator air duct is formed between the refrigerator air duct cover plate and another part of the side wall, the refrigerator air duct comprises a first refrigerator air duct and a second refrigerator air duct, and the ice-making air duct is located between the first refrigerator air duct and the second refrigerator air duct.   
     
     
         2 . The air duct system of  claim 1 , wherein a top wall or a bottom wall of the refrigerator cabinet liner is provided with a refrigerator air duct air inlet, first ends of the first refrigerator air duct and the second refrigerator air duct communicate with the refrigerator air duct air inlet, and second ends of the first refrigerator air duct and the second refrigerator air duct extend to the top wall or the bottom wall. 
     
     
         3 . The air duct system of  claim 2 , wherein the refrigerator air duct further comprises: a branch air duct, the first refrigerator air duct and the second refrigerator air duct communicate respectively with the refrigerator air duct air inlet through the branch air duct. 
     
     
         4 . The air duct system of  claim 3 , wherein the refrigerator air duct assembly further comprises: a refrigerator air duct rear cover plate, the refrigerator air duct rear cover plate is provided with a branch air groove, the refrigerator air duct cover plate is provided with a refrigerator air groove, the refrigerator air duct rear cover plate is buckled with the refrigerator air duct cover plate to form the branch air duct between the branch air groove and the refrigerator air groove. 
     
     
         5 . The air duct system of  claim 3 , wherein the branch air duct is provided with a first air guide surface and a second air guide surface opposite to each other, the first air guide surface extends obliquely from the refrigerator air duct air inlet to the first refrigerator air duct, and the second air guide surface extends obliquely from the refrigerator air duct air inlet to the second refrigerator air duct. 
     
     
         6 . The air duct system of  claim 1 , wherein the refrigerator air duct cover plate comprises: a cover plate body and a refrigerator air duct thermal insulation plate, the refrigerator air duct thermal insulation plate is provided at a side of the cover plate body facing the refrigerator air duct, and the first refrigerator air duct and the second refrigerator air duct are formed between the refrigerator air duct thermal insulation plate and the side wall. 
     
     
         7 . The air duct system of  claim 1 , wherein the ice-making air duct front cover plate is embedded in the refrigerator air duct cover plate. 
     
     
         8 . The air duct system of  claim 1 , wherein the ice-making air duct assembly further comprises: a thermal insulation layer, the thermal insulation layer is provided at a side of the ice-making air duct front cover plate facing the ice-making air duct. 
     
     
         9 . The air duct system of  claim 8 , wherein the ice-making air duct assembly further comprises: an ice-making air duct rear cover plate, the ice-making air duct rear cover plate is connected to the ice-making air duct front cover plate, the thermal insulation layer is provided between the ice-making air duct front cover plate and the ice-making air duct rear cover plate, and the ice-making air duct is formed between the ice-making air duct rear cover plate and the side wall. 
     
     
         10 . The air duct system of  claim 9 , wherein the ice-making air duct assembly further comprises: a fan hood, an accommodation cavity is formed between the fan hood and the ice-making air duct rear cover plate; and
 the air duct system further comprises: an ice-making fan, the ice-making fan is provided inside the accommodation cavity.   
     
     
         11 . The air duct system of  claim 1 , further comprising:
 an air inflow tube and an air return tube, wherein the air inflow tube and the air return tube communicate with the ice-making air duct and the ice-making compartment, and both the air inflow tube and the air return tube are located outside the refrigerator cabinet liner and connected to the refrigerator cabinet liner.   
     
     
         12 . The air duct system of  claim 11 , wherein the air inflow tube comprises: a first cover plate and a second cover plate buckled with each other, the first cover plate extends along an outer wall of the refrigerator cabinet liner and is connected to the outer wall of the refrigerator cabinet liner, and the second cover plate is located at a side of the first cover plate away from the refrigerator cabinet liner; and
 the air return tube comprises: a third cover plate and a fourth cover plate buckled with each other, the third cover plate extends along an outer wall of the refrigerator cabinet liner and is connected to the outer wall of the refrigerator cabinet liner, and the fourth cover plate is located at a side of the first cover plate away from the refrigerator cabinet liner.   
     
     
         13 . The air duct system of  claim 1 , wherein positions of the refrigerator air duct cover plate corresponding to the first refrigerator air duct and the second refrigerator air duct are provided with a plurality of refrigerator air outlets, and the refrigerator air duct cover plate is further provided with a refrigerator air return port, both the refrigerator air outlet and the refrigerator air return port communicate with the refrigerator compartment of the refrigeration device, and the refrigerator air return port communicates respectively with the first refrigerator air duct and the second refrigerator air duct to form a refrigerator air circulation structure. 
     
     
         14 . The air duct system of  claim 13 , wherein a bottom wall or a top wall of the refrigerator cabinet liner is provided with a refrigerator air duct air inlet and two refrigerator air duct air return ports respectively provided at both sides of the refrigerator air duct air inlet,
 wherein the first refrigerator air duct and the second refrigerator air duct communicate with the refrigerator air duct air inlet; refrigerator air return ports are respectively provided at positions of both sides of the refrigerator air duct cover plate corresponding to the two refrigerator air duct air return ports, and the two refrigerator air return ports are in one-to-one communication with the two refrigerator air duct air return ports to form two refrigerator air return ducts.   
     
     
         15 . A refrigeration device, comprising:
 a refrigerator cabinet liner, wherein a refrigerator compartment and an ice-making compartment are provided inside the refrigerator cabinet liner;   an air duct system, wherein the air duct system is air duct system for refrigeration device, comprising:   an ice-making air duct assembly, provided inside a refrigerator cabinet liner of the refrigeration device and comprising an ice-making air duct front cover plate, wherein an ice-making air duct is formed between the ice-making air duct front cover plate and a part of a side wall of the refrigerator cabinet liner, and the ice-making air duct communicates with an ice-making compartment inside the refrigerator cabinet liner to form an ice-making air circulation structure; and   a refrigerator air duct assembly, provided inside the refrigerator cabinet liner and comprising a refrigerator air duct cover plate, wherein a refrigerator air duct is formed between the refrigerator air duct cover plate and another part of the side wall, the refrigerator air duct comprises a first refrigerator air duct and a second refrigerator air duct, and the ice-making air duct is located between the first refrigerator air duct and the second refrigerator air duct, the air duct system is provided at the refrigerator cabinet liner, the refrigerator air duct communicates with the refrigerator compartment, and the ice-making air duct communicates with the ice-making compartment; and   an ice-making system, comprising a compressor, a condenser, a throttle apparatus and an evaporator connected in sequence, wherein the evaporator comprises an ice-making evaporator and a main evaporator, the ice-making evaporator is provided inside the ice-making air duct and used to refrigerate the ice-making compartment, and the main evaporator is used to refrigerate the refrigerator compartment.   
     
     
         16 . The refrigeration device of  claim 15 , wherein the ice-making compartment is located inside the refrigerator compartment and at an upper part of the refrigerator compartment, an air inflow tube of the air duct system is connected to an upper part of the ice-making air duct and a top of the ice-making compartment, and an air return tube of the air duct system is connected to a lower part of the ice-making air duct and a bottom of the ice-making compartment. 
     
     
         17 . The air duct system of  claim 15 , wherein a top wall or a bottom wall of the refrigerator cabinet liner is provided with a refrigerator air duct air inlet, first ends of the first refrigerator air duct and the second refrigerator air duct communicate with the refrigerator air duct air inlet, and second ends of the first refrigerator air duct and the second refrigerator air duct extend to the top wall or the bottom wall. 
     
     
         18 . The air duct system of  claim 17 , wherein the refrigerator air duct further comprises: a branch air duct, the first refrigerator air duct and the second refrigerator air duct communicate respectively with the refrigerator air duct air inlet through the branch air duct. 
     
     
         19 . The air duct system of  claim 18 , wherein the refrigerator air duct assembly further comprises: a refrigerator air duct rear cover plate, the refrigerator air duct rear cover plate is provided with a branch air groove, the refrigerator air duct cover plate is provided with a refrigerator air groove, the refrigerator air duct rear cover plate is buckled with the refrigerator air duct cover plate to form the branch air duct between the branch air groove and the refrigerator air groove. 
     
     
         20 . The air duct system of  claim 18 , wherein the branch air duct is provided with a first air guide surface and a second air guide surface opposite to each other, the first air guide surface extends obliquely from the refrigerator air duct air inlet to the first refrigerator air duct, and the second air guide surface extends obliquely from the refrigerator air duct air inlet to the second refrigerator air duct.