Ice-making method, ice-making apparatus, storage medium, and computer program product

Abstract

An ice-making method includes detecting an actual operating current flowing through a drive motor of an ice scraping assembly of an ice-making apparatus. The drive motor is configured to drive an ice scraping blade of the ice-scraping assembly to rotate. The method further includes determining that the drive motor reaches a safety protection condition based on the actual operating current of the drive motor, and controlling, in response to the determination that the drive motor reaches the safety protection condition, the drive motor and a refrigeration system of the ice-making apparatus to stop operating.

What is claimed is: 
     
         1 . An ice-making method comprising:
 detecting an actual operating current flowing through a drive motor of an ice scraping assembly of an ice-making apparatus, the drive motor being configured to drive an ice scraping blade of the ice-scraping assembly to rotate;   determining that the drive motor reaches a safety protection condition based on the actual operating current of the drive motor; and   controlling, in response to the determination that the drive motor reaches the safety protection condition, the drive motor and a refrigeration system of the ice-making apparatus to stop operating.   
     
     
         2 . The ice-making method according to  claim 1 , further comprising, prior to controlling the drive motor and the refrigeration system to stop operating:
 obtaining stall currents of the drive motor in different operation modes;   wherein controlling the drive motor and the refrigeration system to stop operating includes:
 determining that the actual operating current of the drive motor reaches a stall current corresponding to a current operation mode; and 
 controlling, in response to the determination that the actual operating current of the drive motor reaches the stall current corresponding to the current operation mode, the motor and the refrigeration system to stop operating. 
   
     
     
         3 . The ice-making method according to  claim 1 , wherein the drive motor reaching the safety protection condition includes the actual operating current of the drive motor being greater than or equal to a threshold current. 
     
     
         4 . The ice-making method according to  claim 3 ,
 wherein the threshold current is a first current;   the method further comprising:
 determining that the actual operating current of the drive motor is greater than a second current and smaller than the first current; and 
 controlling, in response to the determination that the actual operating current of the drive motor is greater than the second current and smaller than the first current, the drive motor to maintain operating; 
 wherein the second current is smaller than a stall current in a current operation mode. 
   
     
     
         5 . The ice-making method according to  claim 3 , further comprising:
 determining that the actual operating current of the drive motor is greater than or equal to the threshold current and a duration for which the actual operating current remains greater than or equal to the threshold current is smaller than a predetermined duration; and   controlling, in response to the determination that the actual operating current of the drive motor is greater than or equal to the threshold current and the duration for which the actual operating current remains greater than or equal to the threshold current is smaller than the predetermined duration, the drive motor to maintain operating.   
     
     
         6 . The ice-making method according to  claim 3 , further comprising:
 determining that the actual operating current of the drive motor is greater than or equal to the threshold current and a number of times the actual operating current becomes greater than or equal to the threshold current is smaller than a predetermined number of times; and   controlling, in response to the determination that the actual operating current of the drive motor is greater than or equal to the threshold current and the number of times the actual operating current becomes greater than or equal to the threshold current is smaller than the predetermined number of times, the drive motor to maintain operating.   
     
     
         7 . The ice-making method according to  claim 3 ,
 wherein the threshold current is a first current;   the method further comprising:
 determining that the actual operating current of the drive motor is greater than a second current and smaller than the first current; and 
 controlling, in response to the determination that the actual operating current of the drive motor is greater than the second current and smaller than the first current, the drive motor to rotate in an original rotation direction after controlling the drive motor to alternate between forward rotation and reverse rotation by a predetermined number of times. 
   
     
     
         8 . The ice-making method according to  claim 3 ,
 wherein the threshold current is a first current;   the method further comprising:
 determining that the actual operating current of the drive motor is greater than a second current and a duration for which the actual operating current remains greater than or equal to the first current is smaller than a predetermined duration; and 
 controlling, in response to the determination that the actual operating current of the drive motor is greater than the third current and the duration for which the actual operating current remains greater than or equal to the first current is smaller than the predetermined duration, the drive motor to rotate in the original rotation direction after controlling the drive motor to alternate between forward rotation and reverse rotation by a predetermined number of times. 
   
     
     
         9 . The ice-making method according to  claim 1 , wherein:
 the ice-making apparatus has an ice cube-making operation mode and a shaved ice-making operation mode;   in the ice cube-making operation mode, the drive motor reaching the safety protection condition includes the actual operating current of the drive motor being greater than or equal to a first stall current for the ice cube-making operation mode;   in the shaved ice-making operation mode, the drive motor reaching the safety protection condition includes the actual operating current of the drive motor being greater than or equal to a second stall current for the shaved ice-making operation mode; and   the first stall current is greater than or equal to the second stall current.   
     
     
         10 . The ice-making method according to  claim 1 ,
 the actual operating current flowing through the drive motor is a first actual operating current, and the safety protection condition is a first safety protection condition;   the method further comprising:
 detecting a second actual operating current flowing through a compressor of the refrigeration system; 
 determining that the drive motor reaches the first safety protection condition based on the first actual operating current, determining that the compressor reaches a second safety protection condition based on the second actual operating current, or determining that the drive motor reaches the first safety protection condition based on the first actual operating current and determining that the compressor reaches the second safety protection condition based on the second actual operating current; and 
 controlling, in response to the determination that the drive motor reaches the first safety protection condition based on the first actual operating current, in response to the determination that the compressor reaches the second safety protection condition based on the second actual operating current, or in response to the determination that the drive motor reaches the first safety protection condition based on the first actual operating current and the determination that the compressor reaches the second safety protection condition based on the second actual operating current, the drive motor and the refrigeration system to stop operating. 
   
     
     
         11 . An ice-making apparatus comprising:
 an ice-making drum provided with an ice scraping assembly, the ice scraping assembly including a drive motor and an ice scraping blade, and the drive motor being configured to drive the ice scraping blade to rotate;   a refrigeration system including a compressor, a condenser, an evaporator, and a throttle device that are sequentially in communication to form a refrigeration cycle loop, the evaporator being configured to cool the drum, to enable water in the drum to freeze into ice; and   a controller storing an ice-making control program and configured to execute the ice-making control program to:
 detect an actual operating current flowing through the drive motor; 
 determine that the drive motor reaches a safety protection condition based on the actual operating current of the drive motor; and 
 control, in response to the determination that the drive motor reaches the safety protection condition, the drive motor and a refrigeration system of the ice-making apparatus to stop operating. 
   
     
     
         12 . The ice-making apparatus according to  claim 11 , wherein the controller is further configured to execute the ice-making control program to:
 prior to controlling the drive motor and the refrigeration system to stop operating, obtain stall currents of the drive motor in different operation modes; and   when controlling the drive motor and the refrigeration system to stop operating:
 determine that the actual operating current of the drive motor reaches a stall current corresponding to a current operation mode; and 
 control, in response to the determination that the actual operating current of the drive motor reaches the stall current corresponding to the current operation mode, the motor and the refrigeration system to stop operating. 
   
     
     
         13 . The ice-making apparatus according to  claim 11 , wherein the controller is further configured to execute the ice-making control program to:
 determine that the actual operating current of the drive motor is smaller than a first current and greater than a second current, the second current being smaller than a stall current in a current operation mode; and   control, in response to the determination that the actual operating current of the drive motor is smaller than the first current and greater than the second current, the drive motor to maintain operating.   
     
     
         14 . The ice-making apparatus according to  claim 11 , wherein the controller is further configured to execute the ice-making control program to:
 determine that the actual operating current of the drive motor is greater than or equal to a threshold current and a duration for which the actual operating current remains greater than or equal to the threshold current is smaller than a predetermined duration; and   control, in response to the determination that the actual operating current of the drive motor is greater than or equal to the threshold current and the duration for which the actual operating current remains greater than or equal to the threshold current is smaller than the predetermined duration, the drive motor to maintain operating.   
     
     
         15 . The ice-making apparatus according to  claim 11 , wherein the controller is further configured to execute the ice-making control program to:
 determine that the actual operating current of the drive motor is greater than or equal to a threshold current and a number of times the actual operating current becomes greater than or equal to the threshold current is smaller than a predetermined number of times; and   control, in response to the determination that the actual operating current of the drive motor is greater than or equal to the threshold current and the number of times the actual operating current becomes greater than or equal to the threshold current is smaller than the predetermined number of times, the drive motor to maintain operating.   
     
     
         16 . A non-transitory computer-readable storage medium storing a computer program stored that, when executed by a processor, causes the processor to:
 detect an actual operating current flowing through a drive motor of an ice scraping assembly of an ice-making apparatus, the drive motor being configured to drive an ice scraping blade of the ice-scraping assembly to rotate;   determine that the drive motor reaches a safety protection condition based on the actual operating current of the drive motor; and   control, in response to the determination that the drive motor reaches the safety protection condition, the drive motor and a refrigeration system of the ice-making apparatus to stop operating.   
     
     
         17 . The storage medium according to  claim 16 , wherein the computer program, when executed by the processor, further causes the processor to:
 prior to controlling the drive motor and the refrigeration system to stop operating, obtain stall currents of the drive motor in different operation modes; and   when controlling the drive motor and the refrigeration system to stop operating:
 determine that the actual operating current of the drive motor reaches a stall current corresponding to a current operation mode; and 
 control, in response to the determination that the actual operating current of the drive motor reaches the stall current corresponding to the current operation mode, the motor and the refrigeration system to stop operating. 
   
     
     
         18 . The storage medium according to  claim 16 , wherein the computer program, when executed by the processor, further causes the processor to:
 determine that the actual operating current of the drive motor is smaller than a first current and greater than a second current, the second current being smaller than a stall current in a current operation mode; and   control, in response to the determination that the actual operating current of the drive motor is smaller than the first current and greater than the second current, the drive motor to maintain operating.   
     
     
         19 . The storage medium according to  claim 16 , wherein the computer program, when executed by the processor, further causes the processor to:
 determine that the actual operating current of the drive motor is greater than or equal to a threshold current and a duration for which the actual operating current remains greater than or equal to the threshold current is smaller than a predetermined duration; and   control, in response to the determination that the actual operating current of the drive motor is greater than or equal to the threshold current and the duration for which the actual operating current remains greater than or equal to the threshold current is smaller than the predetermined duration, the drive motor to maintain operating.   
     
     
         20 . The storage medium according to  claim 16 , wherein the computer program, when executed by the processor, further causes the processor to:
 determine that the actual operating current of the drive motor is greater than or equal to a threshold current and a number of times the actual operating current becomes greater than or equal to the threshold current is smaller than a predetermined number of times; and   control, in response to the determination that the actual operating current of the drive motor is greater than or equal to the threshold current and the number of times the actual operating current becomes greater than or equal to the threshold current is smaller than the predetermined number of times, the drive motor to maintain operating.