Clean water wshing function control method of washing machine

Abstract

A clean-water-washing function control method of a washing machine, the method comprising: step A: receiving a selection instruction of a laundry process; step B: enabling or disabling selection of a clean-water-washing function of the washing machine according to the selection instruction. A user at self-select the laundry process and decide whether to use the water-washing function, so that the control method not only helps guide the user in choosing to wash clothing in a water saving manner, but can also wash the clothing effectively, and protect the clothing and a recycled water filtration system. Moreover, an autonomous and intelligent washing environment is created for the user.

What is claimed is: 
     
         1 . A clean-water-washing function control method of a washing machine, the method comprising:
 step A: receiving a selection instruction of a laundry process; and   step B: enabling or disabling selection of a clean-water-washing function of the washing machine according to the selection instruction.   
     
     
         2 . The control method of  claim 1 , wherein the selection instruction corresponds to information about the type of clothing. 
     
     
         3 . The control method according to  claim 2 , further comprising:
 step C: determining a laundry sub-process according to whether the clean-water-washing function of the washing machine is selected; and   step D: receiving an execution operating instruction to execute the laundry operation in accordance with the determined laundry sub-process.   
     
     
         4 . The control method according to  claim 3 , wherein said step C further comprises:
 judging whether or not the selection of the clean-water-washing function is enabled, and if the selection of the clean-water-washing function is disabled, or if the selection of the clean-water-washing function is enabled and an instruction for selecting the clean-water-washing function is not received, determining that the laundry sub-process is a first laundry sub-process executed by default; and   if the selection of the clean-water-washing function is enabled and an instruction for selecting the clean-water-washing function is received, determining that the laundry sub-process is a second laundry sub-process having the clean-water-washing function.   
     
     
         5 . The control method according to  claim 4 , wherein
 the second laundry sub-process comprises a recycled water rinsing stage for rinsing the clothing in a washing tub of the washing machine with rinsing water, and in the recycled water rinsing step of the recycled water rinsing stage, the rinsing water in the washing tub flows into a recycled water filtration system of the washing machine and flows back into the washing tub after filtration in the recycled water filtration system.   
     
     
         6 . The control method according to  claim 5 , wherein the second laundry sub-process further comprises:
 a washing stage executed prior to the recycled water rinsing stage and a dewatering stage executed after the recycled water rinsing stage; wherein   the washing stage comprises:
 a washing water injection step of supplying water from a water intake pipe of the washing machine to provide washing water for the washing stage; 
 a washing step of washing the clothing in the washing tub with a detergent and the washing water; and 
 a washing dewatering step of dewatering the clothing in the washing tub, 
   is the recycled water rinsing stage comprises:
 a rinsing water injection step of supplying water from the water intake pipe to provide rinsing water for the recycled water rinsing stage; 
 a recycled water rinsing step; and 
 a rinsing dewatering step of dewatering e clothing in the washing tub, and 
 the dewatering stage is used to spin-dry the clothing in the washing tub. 
   
     
     
         7 . The control method according to  claim 4 , wherein
 the first laundry sub-process comprises at least one normal rinsing stage executed consecutively, each of which is used to rinse the clothing in the washing tub of the washing machine with the rinsing water, and in a normal rinsing step of each of the normal rinsing stages, the recycled water filtration system of the washing machine is in a stop state.   
     
     
         8 . The control method according to  claim 2 , wherein
 when the type of the clothing is cotton, a chemical fiber, a compound or undergarment, the selection of the clean-water-washing function is enabled, where it is determined that the type of the clothing is a compound when a plurality of types of clothing are simultaneously placed in the washing tub, or it is determined that the type of the clothing made of multiple materials is a compound.   
     
     
         9 . The control method according to  claim 2 , wherein
 when the type of the clothing is a curtain, the selection of the clean-water-washing function is disabled.   
     
     
         10 . The control method according to  claim 3 , wherein.
 said step B further comprises: enabling or disabling selection of a special stain function of the washing machine according to the selection instruction; and   said step C further comprises: determining a laundry sub-process according to whether the special stain function of the washing machine is selected.   
     
     
         11 . The control method according to  claim 1 , wherein the clean-water-washing function comprises filtering the laundry water discharged from the washing tub of the washing machine and returning the filtered laundry water back to the washing tub for reuse.