Air conditioner outdoor unit and air conditioner

Abstract

The present application provides an air conditioner outdoor unit and an air conditioner. The air conditioner outdoor unit includes: a cabinet, which has an air inlet and an air outlet, an airflow channel being formed between the air inlet and the air outlet, and a side wall of the cabinet having a first inner side face and a second inner side face arranged opposite to each other; an axial flow fan, which is arranged inside the airflow channel; and a heat exchanger assembly, which is arranged within the airflow channel; in which in a direction of a rotational axis of the axial flow fan, the axial flow fan and the heat exchanger assembly are sequentially arranged; the heat exchanger assembly includes a first portion and a second portion, the first portion is arranged to extend along the first inner side face.

What is claimed is: 
     
         1 . An air conditioner outdoor unit, comprising:
 a cabinet, which has an air inlet and an air outlet, an airflow channel being formed between the air inlet and the air outlet, and a side wall of the cabinet having a first inner side face and a second inner side face arranged opposite to each other;   an axial flow fan, which is arranged inside the airflow channel; and   a heat exchanger assembly, which is arranged inside the airflow channel; wherein in a direction of a rotational axis of the axial flow fan, the axial flow fan and the heat exchanger assembly are sequentially arranged; the heat exchanger assembly comprises a first portion and a second portion, the first portion is arranged to extend along the first inner side face, and the second portion is arranged to extend along the second inner side face; a rotational plane is defined by the axial flow fan, which is a plane swept by 360° around the rotational axis by a radius axis between the outmost point of a blade of the axial flow fan and the rotational axis; and when viewed in an extending direction of the rotational axis, the rotational plane has an overlapping part with both the first portion and the second portion.   
     
     
         2 . The air conditioner outdoor unit according to  claim 1 , wherein the side wall of the cabinet further comprises a third inner side face and a fourth inner side face arranged opposite to each other, and the third inner side face and the fourth inner side face are respectively connected between the first inner side face and the second inner side face; and
 the heat exchanger assembly further comprises a third portion and a fourth portion, the third portion is arranged to extend along the third inner side face, the fourth portion is arranged to extend along the fourth inner side face, and the rotational plane has an overlapping region with both the third portion and the fourth portion.   
     
     
         3 . The air conditioner outdoor unit according to  claim 2 , wherein the first portion, the second portion, the third portion and the fourth portion enclose a heat exchange channel, which is located in the airflow channel. 
     
     
         4 . The air conditioner outdoor unit according to  claim 2 , wherein the air outlet is arranged at the top of the cabinet, and the air inlet is arranged on at least one of the first inner side face, the second inner side face, the third inner side face and the fourth inner side face; and/or
 the axial flow fan is arranged at one end of the airflow channel that is provided with the air outlet.   
     
     
         5 . The air conditioner outdoor unit according to  claim 4 , wherein the overlapping region is circular-ring like, or part of the overlapping region is of an arc-shaped structure. 
     
     
         6 . The air conditioner outdoor unit according to  claim 3 , wherein the air conditioner outdoor unit further comprises an electric control box assembly, which is arranged inside the cabinet and encloses the heat exchange channel together with the heat exchanger assembly; and
 when viewed in the extending direction of the rotational axis, a projection of the electric control box assembly overlaps with a projection of the rotational plane.   
     
     
         7 . The air conditioner outdoor unit according to  claim 6 , wherein the electric control box assembly has a partition, a circuit board, and a radiator; the partition and the heat exchanger assembly enclose at least part of the heat exchange channel; the circuit board is installed on an outer plate surface of the partition that faces away from the heat exchange channel, and the radiator is located inside the heat exchange channel and installed on an inner plate surface of the partition that faces the heat exchange channel; an avoidance hole on the partition allows the radiator to be thermally conducted to the circuit board; an airflow in the heat exchange channel passes through the radiator, and when viewed in the extending direction of the rotational axis, the rotational plane has an overlapping part with the radiator. 
     
     
         8 . The air conditioner outdoor unit according to  claim 6 , wherein the axial flow fan is spaced apart from the electric control box assembly in the extending direction of the rotational axis. 
     
     
         9 . The air conditioner outdoor unit according to  claim 1 , wherein the air conditioner outdoor unit further comprises an air guide ring, which is arranged inside the cabinet; and
 the air guide ring has a flow guide channel, and the axial flow fan is arranged inside the flow guide channel.   
     
     
         10 . The air conditioner outdoor unit according to  claim 9 , wherein the flow guide channel comprises an inlet section, an outlet section, and a middle section; the middle section is arranged between the inlet section and the outlet section, and is configured into a straight cylinder shape; and
 an inner diameter of the outlet section gradually increases in a direction from the inlet section to the outlet section, and/or an inner diameter of the inlet section gradually decreases in the direction from the inlet section to the outlet section.   
     
     
         11 . The air conditioner outdoor unit according to  claim 1 , wherein the air conditioner outdoor unit is configured as a fan unit and a heat exchanger unit, and the cabinet comprises a first housing and a second housing that are detachably connected; the fan unit comprises the first housing and the axial flow fan arranged inside the first housing, and the heat exchanger unit comprises the second housing and the heat exchanger assembly arranged inside the second housing. 
     
     
         12 . The air conditioner outdoor unit according to  claim 11 , wherein the first housing comprises a first side wall portion arranged around the rotational axis, which is configured in a cylindrical configuration with upper and lower openings along the rotational axis; the upper opening of the first side wall portion is configured as the air outlet, and the lower opening of the first side wall portion is configured to receive air after heat exchange with the heat exchanger assembly; the fan unit comprises a grille, which is installed at the upper opening of the first side wall portion, a back side of the grille faces an internal space defined by the first side wall portion, and the axial flow fan is installed on a lower side of the grille. 
     
     
         13 . The air conditioner outdoor unit according to  claim 12 , wherein the first side wall portion comprises multiple support portions, which are arranged at the upper opening of the first side wall portion, and which are configured to jointly support the grille; and
 the multiple support portions are located in a same first plane, which is perpendicular to the rotational axis; the first plane is lower than an upper edge of the first side wall portion to form a concave space, and the grille is accommodated in the concave space and fixedly installed on the multiple support portions.   
     
     
         14 . The air conditioner outdoor unit according to  claim 12 , wherein the fan unit comprises an air guide ring, an inner wall of the air guide ring encloses an air guide channel with upper and lower openings, and an edge of the upper opening of the air guide ring is formed with multiple upper installation portions; and
 the first side wall portion comprises multiple support portions, which are arranged at the upper opening of the first side wall portion; lower sides of the multiple support portions are correspondingly fixed to the multiple upper installation portions respectively, and upper sides of the multiple support portions are configured to jointly support the grille.   
     
     
         15 . The air conditioner outdoor unit according to  claim 12 , wherein the second housing comprises a second side wall portion arranged around the rotational axis, which is configured in a cylindrical configuration with upper and lower openings along the rotational axis; a bottom wall is installed at the lower opening of the second side wall portion, and the bottom wall supports the heat exchanger assembly; the upper opening of the second side wall portion corresponds to the lower opening of the first side wall portion. 
     
     
         16 . The air conditioner outdoor unit according to  claim 15 , wherein the second side wall portion has a ventilation side wall, which surrounds an outer side of the heat exchanger assembly and which has multiple ventilation holes corresponding to the heat exchanger assembly; the fan unit drives external air to pass through the multiple ventilation holes and exchange heat with the heat exchanger assembly, and the air after heat exchange enters the fan unit from the heat exchanger unit and flows out from the air outlet, wherein the air conditioner outdoor unit further comprises an electric control box assembly, which comprises a partition, a circuit board installed on the partition, and a cover connected to the partition and covering the circuit board; and
 the ventilation side wall has a rectangular shape and forms an opening at the corner; the partition covers the opening of the ventilation side wall, and the cover and the ventilation side wall are configured into a complete rectangular shape.   
     
     
         17 . The air conditioner outdoor unit according to  claim 11 , wherein a housing wall of the first housing is recessed toward the internal cylindrical space to form multiple groove portions, each of the groove portions having a groove bottom wall along the recessed direction, a first groove wall connected to a lower side of the groove bottom wall, and a second groove wall connected to an upper side of the groove bottom wall; and
 the first housing is installed onto the second housing from top to bottom, and an upper end of the second housing is inserted into the lower opening of the first housing and is configured as a bearing surface to bear the first groove walls of the multiple groove portions.   
     
     
         18 . The air conditioner outdoor unit according to  claim 17 , wherein a lower edge of the first housing is provided with multiple first fixing holes, the upper end of the second housing is provided with multiple second fixing holes, and the multiple first fixing holes are respectively fixed to the multiple second fixing holes in a one-to-one correspondence. 
     
     
         19 . The air conditioner outdoor unit according to  claim 17 , wherein the fan unit comprises an air guide ring; an inner wall of the air guide ring encloses an air guide channel with upper and lower openings, and an outer side of the air guide ring is provided with multiple side installation portions; the groove bottom wall of each of the groove portions is correspondingly provided with at least one installation hole, and the multiple side installation portions are respectively fixed to the multiple installation holes in a one-to-one correspondence. 
     
     
         20 . An HVAC apparatus, wherein the HVAC apparatus comprises the air conditioner outdoor unit according to  claim 1  and an indoor unit, and the indoor unit and the air conditioner outdoor unit are communicated through a gas pipe and a liquid pipe to form a refrigerant circulation system; and
 the air conditioner outdoor unit comprises a compressor, the heat exchanger assembly, and a gas-liquid separator; one end of the heat exchanger assembly is connected to an exhaust port of the compressor, and the other end of the heat exchanger assembly is connected to the liquid pipe; one end of the gas-liquid separator is connected to an air return port of the compressor, and the other end of the gas-liquid separator is connected to the gas pipe.