Air channel assembly and air conditioning device having same

Abstract

An air channel assembly and an air conditioning device ( 100 ) having same. The air channel assembly comprises an upstream air channel member ( 1 ) and a cross-flow air channel member ( 2 ); the air channel assembly has an air supplement path ( 3 ); an air inlet ( 31 ) of the air supplement path ( 3 ) is located in an air outlet section ( 212 ) and is in communication with a region of a cross-flow air channel ( 23 ) located downstream of a fan mounting cavity ( 231 ); an air outlet ( 32 ) of the air supplement path ( 3 ) is provided between a volute tongue section ( 211 ) and the upstream air channel member ( 1 ), and the air outlet is open towards the outside of the cross-flow air channel ( 23 ) and is in communication with the upstream air channel ( 11 ). The air channel assembly can effectively improve the air intake efficiency of the cross-flow air channel ( 23 ), improve the air flow performance in the cross-flow air channel ( 23 ), improve the pressure resistance of the cross-flow air channel ( 23 ), and improve the air volume of the cross-flow air channel ( 23 ).

1 .- 19 . (canceled) 
     
     
         20 . An air channel assembly comprising:
 an upstream air channel member, an upstream air channel being formed in the upstream air channel member; and   a cross-flow air channel member, including a first air channel wall and a second air channel wall arranged at an interval in a cross-section of the cross-flow air channel member, a cross-flow air channel being formed between the first air channel wall and the second air channel wall, the cross-flow air channel being arranged downstream of the upstream air channel and in communication with the upstream air channel, the first air channel wall including a volute tongue section, and the cross-flow air channel including a fan mounting cavity between a volute tongue windward surface of the volute tongue section and the second air channel wall;   wherein:
 an air supplement path is formed in the air channel assembly; 
 an air inlet of the air supplement path is located at an air outlet section and is in communication with a region of the cross-flow air channel located downstream of the fan mounting cavity, the air outlet section being a part of the first air channel wall between a volute tongue tip of the volute tongue section and an air channel outlet of the cross-flow air channel; and 
 an air outlet of the air supplement path is provided between the volute tongue section and the upstream air channel member, the air outlet opening towards outside of the cross-flow air channel and being in communication with the upstream air channel. 
   
     
     
         21 . The air channel assembly according to  claim 20 , wherein the air outlet is located on a side of the volute tongue windward surface away from the fan mounting cavity. 
     
     
         22 . The air channel assembly according to  claim 20 , wherein the air outlet includes at least one of:
 a first outlet formed on the first air channel wall,   a second outlet formed on the upstream air channel member, or   a third outlet formed at a gap between the first air channel wall and the upstream air channel member.   
     
     
         23 . The air channel assembly according to  claim 22 , wherein:
 the volute tongue section further includes a volute tongue extension surface extending from an end of the volute tongue windward surface away from the volute tongue tip in a direction away from the fan mounting cavity; and   the first outlet is provided on the volute tongue extension surface.   
     
     
         24 . The air channel assembly according to  claim 22 , wherein:
 the third outlet is formed between an end of the volute tongue windward surface away from the volute tongue tip and the upstream air channel member; or   the volute tongue section further includes a volute tongue extension surface extending from an end of the volute tongue windward surface away from the volute tongue tip in a direction away from the fan mounting cavity, and the third outlet is formed between an end of the volute tongue extension surface away from the volute tongue windward surface and the upstream air channel member.   
     
     
         25 . The air channel assembly according to  claim 20 , wherein:
 the upstream air channel includes a heat exchanger mounting cavity; and   the air outlet is provided between the volute tongue section and the heat exchanger mounting cavity and is in communication with a region of the upstream air channel located downstream of the heat exchanger mounting cavity.   
     
     
         26 . The air channel assembly according to  claim 25 , wherein:
 a centerline of the cross-flow air channel extends in a transverse direction;   the upstream air channel member includes a water receiving section forming a water receiving tank, at least a part of the water receiving section being located below a space between the heat exchanger mounting cavity and the fan mounting cavity; and   the air outlet is located on a side of the water receiving section close to the volute tongue section.   
     
     
         27 . The air channel assembly according to  claim 26 , wherein the air outlet is formed at one or more of the volute tongue section, the water receiving section, and a gap between the volute tongue section and the water receiving section. 
     
     
         28 . The air channel assembly according to  claim 20 , further comprising:
 a downstream air channel member forming a downstream heat exchange air channel;   wherein:
 the downstream heat exchange air channel is arranged downstream of the cross-flow air channel and in communication with the cross-flow air channel; and 
 the downstream heat exchange air channel includes a downstream mounting cavity. 
   
     
     
         29 . The air channel assembly according to  claim 20 , wherein the air outlet is one of a plurality of air outlets successively arranged at intervals in a direction away from the fan mounting cavity, and one of the plurality of air outlets is an opening or includes a plurality of sub-outlets arranged at intervals in an axial direction of the cross-flow air channel. 
     
     
         30 . The air channel assembly according to  claim 20 , wherein the air supplement path includes an air supplement channel configured to be in communication between the air outlet and the air inlet, the air supplement channel extending in a direction from the air inlet to the air outlet. 
     
     
         31 . The air channel assembly according to  claim 30 , wherein the air supplement channel has a width ranging from 3 mm to 7 mm. 
     
     
         32 . The air channel assembly according to  claim 30 , wherein the air supplement channel extends from the air inlet to the air outlet along a straight line, a curved line, a combination of a straight line and a straight line, or a combination of a straight line and a curved line. 
     
     
         33 . The air channel assembly according to  claim 30 , wherein in a longitudinal section of the cross-flow air channel member, positions of the air outlet, the air inlet, and the air supplement channel in an axial direction of the cross-flow air channel correspond to each other. 
     
     
         34 . The air channel assembly according to  claim 20 , wherein the air supplement path includes a sealed cavity configured to be in communication between the air outlet and the air inlet. 
     
     
         35 . The air channel assembly according to  claim 34 , wherein:
 the air outlet is one of a plurality of air outlets of the air channel assembly, and the air inlet is one of a plurality of air inlets of the air channel assembly; and   the sealed cavity is in communication with the plurality of air outlets simultaneously and/or with the plurality of air inlets simultaneously.   
     
     
         36 . The air channel assembly according to  claim 35 , wherein all of the air outlets and all of the air inlets are in communication with the sealed cavity. 
     
     
         37 . The air channel assembly according to  claim 20 , further comprising:
 an air deflector provided at the air outlet and located on a side of the air outlet away from the fan mounting cavity.   
     
     
         38 . The air channel assembly according to  claim 37 , wherein:
 the air deflector is resiliently swingable or is configured to be driven to swing, and the air deflector is configured to swing between a direction toward the air outlet and a direction away from the air outlet; and/or   the air deflector includes a cambered air deflector or a planar air deflector.   
     
     
         39 . An air conditioning device comprising:
 an air channel assembly including:
 an upstream air channel member, an upstream air channel being formed in the upstream air channel member; and 
 a cross-flow air channel member, including a first air channel wall and a second air channel wall arranged at an interval in a cross-section of the cross-flow air channel member, a cross-flow air channel being formed between the first air channel wall and the second air channel wall, the cross-flow air channel being arranged downstream of the upstream air channel and in communication with the upstream air channel, the first air channel wall including a volute tongue section, and the cross-flow air channel including a fan mounting cavity between a volute tongue windward surface of the volute tongue section and the second air channel wall; 
 wherein:
 an air supplement path is formed in the air channel assembly; 
 an air inlet of the air supplement path is located at an air outlet section and is in communication with a region of the cross-flow air channel located downstream of the fan mounting cavity, the air outlet section being a part of the first air channel wall between a volute tongue tip of the volute tongue section and an air channel outlet of the cross-flow air channel; and 
 an air outlet of the air supplement path is provided between the volute tongue section and the upstream air channel member, the air outlet opening towards outside of the cross-flow air channel and being in communication with the upstream air channel; and 
 
   a cross-flow fan provided in the fan mounting cavity.