Air conditioner outdoor unit and air conditioner

Abstract

An air conditioner outdoor unit includes a cabinet including an air outlet, an electric control box with at least part thereof arranged inside the cabinet, a fan arranged inside the cabinet and located at the air outlet, and a heat dissipation device arranged inside the cabinet. In an axis direction of the fan, the heat dissipation device is located on one side of the fan. In the axis direction of the fan, a projection of the heat dissipation device toward the fan is at least partially located within a circumferential edge of the fan.

1 . An air conditioner outdoor unit comprising:
 a cabinet including an air outlet;   an electric control box, at least part of the electric control box being arranged inside the cabinet;   a fan, arranged inside the cabinet and located at the air outlet; and   a heat dissipation device, arranged inside the cabinet;   wherein:
 in an axis direction of the fan, the heat dissipation device is located on one side of the fan; and 
 in the axis direction of the fan, a projection of the heat dissipation device toward the fan is at least partially located within a circumferential edge of the fan. 
   
     
     
         2 . The air conditioner outdoor unit according to  claim 1 , wherein:
 a first projection of the heat dissipation device on a projection plane perpendicular to the axis direction intersects a second projection of a rotation plane of the fan on the projection plane; and   in a radial direction of the fan, a longest distance of the first projection within a circumferential edge of the second projection is 5% to 40% of a diameter of the fan.   
     
     
         3 . The air conditioner outdoor unit according to  claim 2 , wherein a shortest distance between a top of the heat dissipation device and the fan in the axis direction of the fan is larger than 5% of the diameter of the fan. 
     
     
         4 . The air conditioner outdoor unit according to  claim 1 , wherein:
 a ratio of an area difference between a first circular region and a second circular region to an area of a third circular region is larger than 0.005 and smaller than 0.5;   the first circular region is centered at a point on an axis of the fan and has a first radius equaling a shortest distance between:
 a projection of the heat dissipation device on a plane perpendicular to the axis direction, and 
 the axis of the fan; 
   the second circular region is centered at the point on the axis of the fan and has a second radius equaling a longest distance between the projection and the axis of the fan; and   the third circular region is formed by the fan rotating around the axis.   
     
     
         5 . The air conditioner outdoor unit according to  claim 1 , wherein the fan includes an axial flow fan, an air outflow side of the axial flow fan faces the air outlet, and an air inflow side of the axial flow fan faces the heat dissipation device. 
     
     
         6 . The air conditioner outdoor unit according to  claim 1 , further comprising:
 a heat exchanger, arranged inside the cabinet and located on a side of the fan that is away from the air outlet.   
     
     
         7 . The air conditioner outdoor unit according to  claim 6 , wherein the heat exchanger extends in a circumferential direction of a side wall of the cabinet and encloses a heat exchange channel, and the heat exchange channel is communicated with the air outlet. 
     
     
         8 . The air conditioner outdoor unit according to  claim 7 , further comprising:
 an air inlet arranged at the side wall of the cabinet;   wherein:
 the air outlet is arranged at a top of the cabinet; and 
 an airflow channel is formed between the air outlet and the air inlet, and the airflow channel is communicated with the heat exchange channel. 
   
     
     
         9 . Air conditioner outdoor unit according to  claim 6 , wherein the heat dissipation device is located on a side of the fan that is away from the air outlet, and near a part of the electric control box that is located inside the cabinet. 
     
     
         10 . The air conditioner outdoor unit according to  claim 9 , wherein the electric control box is connected to the heat dissipation device. 
     
     
         11 . The air conditioner outdoor unit according to  claim 6 , further comprising:
 a compressor assembly, connected to the heat exchanger and arranged inside the heat exchange channel.   
     
     
         12 . An air conditioner comprising:
 an air conditioner outdoor unit including:
 a cabinet including an air outlet; 
 an electric control box, at least part of the electric control box being arranged inside the cabinet; 
 a fan, arranged inside the cabinet and located at the air outlet; and 
 a heat dissipation device, arranged inside the cabinet; 
 wherein:
 in an axis direction of the fan, the heat dissipation device is located on one side of the fan; and 
 in the axis direction of the fan, a projection of the heat dissipation device toward the fan is at least partially located within a circumferential edge of the fan. 
 
   
     
     
         13 . The air conditioner according to  claim 12 , wherein:
 a first projection of the heat dissipation device on a projection plane perpendicular to the axis direction intersects a second projection of a rotation plane of the fan on the projection plane; and   in a radial direction of the fan, a longest distance of the first projection within a circumferential edge of the second projection is 5% to 40% of a diameter of the fan.   
     
     
         14 . The air conditioner according to  claim 11 , wherein a shortest distance between a top of the heat dissipation device and the fan in the axis direction of the fan is larger than 5% of the diameter of the fan. 
     
     
         15 . The air conditioner according to  claim 12 , wherein:
 a ratio of an area difference between a first circular region and a second circular region to an area of a third circular region is larger than 0.005 and smaller than 0.5;   the first circular region is centered at a point on an axis of the fan and has a first radius equaling a shortest distance between:
 a projection of the heat dissipation device on a plane perpendicular to the axis direction, and 
 the axis of the fan; 
   the second circular region is centered at the point on the axis of the fan and has a second radius equaling a longest distance between the projection and the axis of the fan; and   the third circular region is formed by the fan rotating around the axis.   
     
     
         16 . The air conditioner according to  claim 12 , wherein the fan includes an axial flow fan, an air outflow side of the axial flow fan faces the air outlet, and an air inflow side of the axial flow fan faces the heat dissipation device. 
     
     
         17 . The air conditioner according to  claim 12 , wherein the air conditioner outdoor unit further includes:
 a heat exchanger, arranged inside the cabinet and located on a side of the fan that is away from the air outlet.   
     
     
         18 . The air conditioner according to  claim 17 , wherein the heat exchanger extends in a circumferential direction of a side wall of the cabinet and encloses a heat exchange channel, and the heat exchange channel is communicated with the air outlet. 
     
     
         19 . The air conditioner according to  claim 18 , wherein:
 the air conditioner outdoor unit further includes an air inlet arranged at the side wall of the cabinet;   the air outlet is arranged at a top of the cabinet; and   an airflow channel is formed between the air outlet and the air inlet, and the airflow channel is communicated with the heat exchange channel.   
     
     
         20 . The air conditioner according to  claim 17 , wherein the heat dissipation device is located on a side of the fan that is away from the air outlet, and near a part of the electric control box that is located inside the cabinet.