Debris Bin Assembly, Cleaning Robot and Cleaning Robot System

Abstract

The disclosure provides a debris bin assembly, a cleaning robot and a cleaning robot system, the debris bin assembly includes a debris bin housing, a filter assembly, and a flow guide plate, the debris bin housing includes a top portion and a bottom portion disposed opposite to the top portion, and a side housing surrounding the top portion and the bottom portion, the top portion, the bottom portion and the side housing are enclosed to form an inner cavity, the top portion of the debris bin housing is provided with an air exhaust channel communicating with the inner cavity and an air outlet communicating with the air exhaust channel, the side housing is provided with an air inlet communicating with the inner cavity, the air inlet inclines towards a side where the top portion is located, the filter assembly is disposed in the air exhaust channel of the top portion, the flow guide plate is located in the inner cavity and is disposed opposite to the air inlet, the flow guide plate extends from the top portion to the bottom portion and is configured for intercepting, decelerating and laterally guiding air flow entering from the air inlet, so as to decelerate and laterally guide air flow carrying debris, which avoids debris directly impacting a filter screen at a high speed and attaching to it, and consequently, a problem that the filter screen is easily blocked is solved.

What is claimed is: 
     
         1 . A debris bin assembly, applied to a cleaning robot, wherein the debris bin assembly comprises a debris bin housing, a filter assembly, and a flow guide plate, wherein the debris bin housing comprises a top portion, a bottom portion disposed opposite to the top portion, and a side housing surrounding the top portion and the bottom portion, the top portion, the bottom portion and the side housing are enclosed to form an inner cavity, the top portion of the debris bin housing is provided with an air exhaust channel communicating with the inner cavity and an air outlet communicating with the air exhaust channel, the side housing is provided with an air inlet communicating with the inner cavity, the air inlet inclines towards a side where the top portion is located, the filter assembly is disposed in the air exhaust channel of the top portion, the flow guide plate is located in the inner cavity and is disposed opposite to the air inlet, and the flow guide plate extends from the top portion to the bottom portion and is configured for intercepting, decelerating and laterally guiding air flow entering from the air inlet. 
     
     
         2 . The debris bin assembly as claimed in  claim 1 , wherein a side, close to the bottom portion, of the top portion forms an air inlet side of the air exhaust channel, and the flow guide plate is disposed on a surface of the air inlet side in a protruding manner, and the flow guide plate laterally guides air flow entering from the air inlet, so that the air flow flushes the surface of the air inlet side along a preset direction. 
     
     
         3 . The debris bin assembly as claimed in  claim 2 , wherein an area where the air inlet side is located is provided with a first edge and two opposite second edges, the first edge is a side edge, close to the air inlet, of the area where the air inlet side is located, the two second edges are connected with the first edge, and at least part of the flow guide plate spans between the two second edges. 
     
     
         4 . The debris bin assembly as claimed in  claim 3 , wherein the flow guide plate comprises a first side plate and a second side plate, the first side plate and the second side plate are connected to form a V-shaped plate structure, a junction of the first side plate and the second side plate is disposed close to the first edge, the first side plate is disposed crosswise to one of the two second edges, and the second side plate is disposed crosswise to the other of the two second edges. 
     
     
         5 . The debris bin assembly as claimed in  claim 3 , wherein the flow guide plate comprises an inclined flow guide plate, and at least part of the inclined flow guide plate spans between the two second edges, and the inclined flow guide plate is inclined relative to the first edge. 
     
     
         6 . The debris bin assembly as claimed in  claim 2 , wherein the flow guide plate comprises a first side plate and a second side plate connected with the first side plate, a junction of the first side plate and the second side plate is provided with a diversion part, the diversion part protrudes toward a direction of the air inlet, the diversion part is configured to divert the air flow entering from the air inlet, so that the air flow flows along the first side plate and the second side plate, respectively. 
     
     
         7 . The debris bin assembly as claimed in  claim 6 , wherein the side housing is provided with a debris evacuation structure opposite to the air inlet, and the air inlet, the diversion part and the debris evacuation structure are sequentially arranged at a middle position of the debris bin assembly along a front-rear direction of the debris bin assembly. 
     
     
         8 . The debris bin assembly as claimed in  claim 7 , wherein a center line of the air inlet, a center line of the diversion part and a center line of the debris evacuation structure are located in a same preset plane, the first side plate is disposed at a first included angle with respect to the preset plane, and the second side plate is disposed at a second included angle with respect to the preset plane, wherein the first included angle is equal to the second included angle. 
     
     
         9 . The debris bin assembly as claimed in  claim 7 , wherein the side housing is provided with a first side wall and a second side wall disposed opposite to the first side wall, and two opposite guide side walls, the air inlet is disposed on the first side wall, the debris evacuation structure is disposed on the second side wall, the two guide side walls are connected between the first side wall and the second side wall, respectively, the two guide side walls are configured to guide air flow to the debris evacuation structure, and the first side plate and the second side plate are connected with the two guide side walls, respectively. 
     
     
         10 . The debris bin assembly as claimed in  claim 7 , wherein a distance between the two guide side walls is narrowed approaching the debris evacuation structure. 
     
     
         11 . The debris bin assembly as claimed in  claim 7 , wherein a side, close to the top portion, of the bottom portion is provided with an upper surface, the upper surface is connected between the debris evacuation structure and the air inlet, the upper surface is recessed away from the top portion to form a recessed space, and the recessed space forms a part of the inner cavity. 
     
     
         12 . The debris bin assembly as claimed in  claim 11 , wherein, a portion, close to the debris evacuation structure, of the upper surface is arched toward the top portion, and a portion, close to the air inlet, of the upper surface is arched toward the top portion. 
     
     
         13 . The debris bin assembly as claimed in  claim 2 , wherein the flow guide plate divides an area where the air inlet side is located into a first area and a second area, the first area is located on a side, close to the air inlet, of the flow guide plate, the second area is located on a side, away from the air inlet, of the flow guide plate, when the air outlet is subjected to a suction negative pressure, at least part of the air flow entering from the air inlet enters the air exhaust channel through the first area, and at least part of the air flow entering from the air inlet bypasses the flow guide plate and enters the air exhaust channel through the second area. 
     
     
         14 . A cleaning robot, comprising a robot body and the debris bin assembly as claimed in  claim 1 , and the debris bin assembly is detachably mounted on the robot body. 
     
     
         15 . The cleaning robot as claimed in  claim 14 , wherein a side, close to the bottom portion, of the top portion forms an air inlet side of the air exhaust channel, and the flow guide plate is disposed on a surface of the air inlet side in a protruding manner, and the flow guide plate laterally guides air flow entering from the air inlet, so that the air flow flushes the surface of the air inlet side along a preset direction. 
     
     
         16 . The cleaning robot as claimed in  claim 15 , wherein an area where the air inlet side is located is provided with a first edge and two opposite second edges, the first edge is a side edge, close to the air inlet, of the area where the air inlet side is located, the two second edges are connected with the first edge, and at least part of the flow guide plate spans between the two second edges. 
     
     
         17 . The cleaning robot as claimed in  claim 16 , wherein the flow guide plate comprises a first side plate and a second side plate, the first side plate and the second side plate are connected to form a V-shaped plate structure, a junction of the first side plate and the second side plate is disposed close to the first edge, the first side plate is disposed crosswise to one of the two second edges, and the second side plate is disposed crosswise to the other of the two second edges. 
     
     
         18 . The cleaning robot as claimed in  claim 16 , wherein the flow guide plate comprises an inclined flow guide plate, and at least part of the inclined flow guide plate spans between the two second edges, and the inclined flow guide plate is inclined relative to the first edge. 
     
     
         19 . The cleaning robot as claimed in  claim 15 , wherein the flow guide plate comprises a first side plate and a second side plate connected with the first side plate, a junction of the first side plate and the second side plate is provided with a diversion part, the diversion part protrudes toward a direction of the air inlet, the diversion part is configured to divert the air flow entering from the air inlet, so that the air flow flows along the first side plate and the second side plate, respectively. 
     
     
         20 . A cleaning robot system, comprising the cleaning robot as claimed in  claim 14 , and a cleaning base station, the cleaning base station is configured for performing at least one maintenance on the cleaning robot, and the at least one maintenance comprises recycling garbage in the debris bin assembly.