Air conditioner indoor unit

Abstract

An air conditioner indoor unit, comprising a shell, the shell being provided with an indoor air inlet, an outdoor air inlet, and an air outlet, a double side air inlet centrifugal fan being arranged inside the shell, the centrifugal fan comprising a first air inlet side, a second air inlet side, and an air outlet side, the first air inlet side being arranged opposite the indoor air inlet, the second air inlet side being arranged opposite the outdoor air inlet, the air outlet side being arranged opposite the air outlet, and a heat exchanger being arranged between the first air inlet side and the indoor air inlet. The air conditioner indoor unit of the present disclosure is used for adjusting indoor air temperature and quality.

What is claimed is: 
     
         1 . An indoor air conditioner, comprising:
 a shell including an indoor air inlet, an outdoor air inlet, and an air outlet;   a centrifugal fan located inside the shell and configured to receive air in from two sides of the shell, the centrifugal fan comprising a first air inlet side, a second air inlet side, and an air outlet side, wherein the first air inlet side is located opposite the indoor air inlet, wherein the second air inlet side is located opposite the outdoor air inlet, wherein the air outlet side is located opposite the air outlet; and   a heat exchanger located between the first air inlet side and the indoor air inlet.   
     
     
         2 . The indoor air conditioner according to  claim 1 , wherein the centrifugal fan includes a fan hub; and
 wherein the first air inlet side and the second air inlet side are respectively located on two sides of the fan hub in an axial direction of the centrifugal fan, such that airflow enters the centrifugal fan in the axial direction of the centrifugal fan.   
     
     
         3 . The indoor air conditioner according to  claim 1 , wherein the centrifugal fan comprises a fan hub, and wherein the fan hub is provided with an air hole for connecting the first air inlet side and the second air inlet side. 
     
     
         4 . The indoor air conditioner according to  claim 3 , wherein a plurality of air holes are included evenly arranged around an axis of the centrifugal fan. 
     
     
         5 . The indoor air conditioner according to  claim 1 , wherein the indoor air inlet includes an indoor damper for opening or closing of the indoor air inlet; and
 wherein the outdoor air inlet is provided with an outdoor damper for opening or closing of the outdoor air inlet.   
     
     
         6 . The indoor air conditioner according to  claim 5 , wherein an opening degree of the outdoor damper is adjustable. 
     
     
         7 . The indoor air conditioner according to  claim 1 , wherein an air purification module is located between the second air inlet side of the centrifugal fan and the outdoor air inlet. 
     
     
         8 . The indoor air conditioner according to  claim 7 , wherein the shell includes an indoor purification air inlet at a position corresponding to the air purification module. 
     
     
         9 . The indoor air conditioner according to  claim 8 , wherein the indoor purification air inlet is provided with a purification air inlet damper for opening or closing of the indoor purification air inlet. 
     
     
         10 . The indoor air conditioner according to  claim 1 , wherein the centrifugal fan comprises a fan hub; and
 wherein a front plate and a rear plate are respectively arranged on two lateral edges of an outer circumference of the fan hub, and the fan hub is provided with a partition plate arranged between the front plate and the rear plate, thereby dividing the air outlet side of the centrifugal fan into a front air outlet side and a rear air outlet side.