Indoor unit and air conditioner

Abstract

The present disclosure is directed to an indoor unit and an air conditioner. The indoor unit includes a cross-flow fan, an air duct assembly, an air outlet assembly and a protective net assembly, where the cross-flow fan is arranged in the air duct assembly, the air outlet assembly is in communication with a downstream portion of the air duct assembly, and the protective net assembly is arranged between the air duct assembly and the air outlet assembly.

What is claimed is: 
     
         1 . An indoor unit, comprising:
 a cross-flow fan;   an air duct assembly;   an air outlet assembly; and   a protective net assembly, wherein the cross-flow fan is arranged in the air duct assembly, the air outlet assembly is in communication with a downstream portion of the air duct assembly, and the protective net assembly is arranged between the air duct assembly and the air outlet assembly.   
     
     
         2 . The indoor unit according to  claim 1 , wherein the air duct assembly has a guide passage, and the guide passage obliquely extends rightwards gradually from rear to front and has an outlet;
 the air outlet assembly has a first air outlet and a second air outlet, and the first air outlet is arranged on a left side of the second air outlet; and   the protective net assembly comprises a protective net and a flow diversion member, the protective net comprises a protective net body arranged at the outlet, the flow diversion member is arranged on a front side of the protective net body and is located on a downstream portion of the protective net body, and the flow diversion member is configured to guide air flowing through the flow diversion member to the first air outlet.   
     
     
         3 . The indoor unit according to  claim 2 , wherein the protective net body covers the outlet and has a left end, a right end, and a middle end located between the left end and the right end, the left end is arranged on a leftmost side of the outlet, and the right end is arranged on a rightmost side of the outlet; and
 the flow diversion member is configured as a flow diversion rib, the flow diversion rib has a first upstream end and a first downstream end, and the first upstream end is arranged on a right side of the middle end.   
     
     
         4 . The indoor unit according to  claim 3 , wherein the first downstream end is located on a left side of the first upstream end. 
     
     
         5 . The indoor unit according to  claim 3 , wherein the flow diversion rib is configured to be of an arc-shaped plate structure. 
     
     
         6 . The indoor unit according to  claim 2 , wherein the protective net body is configured to be of a grid shape and has a vertical rib and a horizontal rib connected together, and the vertical rib is arranged to obliquely extend rightwards gradually from rear to front. 
     
     
         7 . The indoor unit according to  claim 1 , wherein the air outlet assembly is arranged on a front side of the protective net assembly, the air outlet assembly comprises a flow diversion cone and a swing blade rotatably arranged on the flow diversion cone, the protective net assembly comprises a protective net, and the protective net is at least partially concave to form an avoidance space for avoiding the swing blade. 
     
     
         8 . The indoor unit according to  claim 7 , wherein the flow diversion cone comprises a first flow diversion plate and a second flow diversion plate that are arranged to form an angle, and the first flow diversion plate and the second flow diversion plate each are provided with the swing blade; and
 the protective net comprises a protective net body, the protective net body has a first net body and a second net body that are connected together, the first net body is provided with an avoidance space for avoiding the swing blade on the first flow diversion plate, and the second net body is provided with an avoidance space for avoiding the swing blade on the second flow diversion plate.   
     
     
         9 . The indoor unit according to  claim 8 , wherein the protective net body is configured as an M-shaped net by the first net body and the second net body jointly. 
     
     
         10 . The indoor unit according to  claim 8 , wherein the air outlet assembly comprises a flow diversion bracket, the flow diversion bracket and the flow diversion cone define a first air outlet passage and a second air outlet passage, the first air outlet passage has a first air outlet, the second air outlet passage has a second air outlet, and the swing blade is partially arranged in the first air outlet passage or the second air outlet passage correspondingly. 
     
     
         11 . The indoor unit according to  claim 1 , wherein the protective net assembly comprises a protective net and a flow diversion member, and the protective net and the flow diversion member are integrally formed. 
     
     
         12 . The indoor unit according to  claim 11 , wherein the protective net assembly is made of a plastic material. 
     
     
         13 . The indoor unit according to  claim 11 , wherein the protective net comprises a protective net body, the protective net body has a first net body and a second net body that are connected together, the protective net body is configured as an M-shaped net by the first net body and the second net body jointly, and the flow diversion member is connected to a joint of the first net body and the second net body. 
     
     
         14 . The indoor unit according to  claim 1 , wherein the protective net assembly comprises a protective net and a flow diversion member, and the flow diversion member is detachably connected to the protective net. 
     
     
         15 . The indoor unit according to  claim 14 , wherein the protective net comprises a frame body and a protective net body arranged in the frame body, the flow diversion member is detachably connected to the frame body, and the flow diversion member is spaced from the protective net body. 
     
     
         16 . The indoor unit according to  claim 15 , wherein the frame body has an upper frame and a lower frame, both the upper frame and the lower frame have limiting holes, an upper end and a lower end of the flow diversion member penetrate corresponding limiting holes respectively, and the lower end of the flow diversion member extends out of the lower frame; and
 the protective net assembly comprises a compression cover, the compression cover has a fixing hole, the fixing hole is connected to the flow diversion member in an interference fit manner, and the compression cover is detachably connected to the lower frame.   
     
     
         17 . The indoor unit according to  claim 16 , wherein the lower frame is provided with a connection column, the connection column has a threaded hole in threaded connection to a fastener, and the compression cover has a through hole fitted to the connection column. 
     
     
         18 . The indoor unit according to  claim 16 , wherein the limiting hole of the upper frame is configured as a blind hole. 
     
     
         19 . The indoor unit according to  claim 14 , wherein the flow diversion member is made of a metal material. 
     
     
         20 . An air conditioner, comprising an indoor unit, the indoor unit comprising a cross-flow fan, an air duct assembly, an air outlet assembly and a protective net assembly, wherein the cross-flow fan is arranged in the air duct assembly, the air outlet assembly is in communication with a downstream portion of the air duct assembly, and the protective net assembly is arranged between the air duct assembly and the air outlet assembly.