Refrigerator and controlling method thereof

Abstract

A refrigerator includes an ice making tray in which ice making water to be supplied, an ice making device configured to generate ice by using the ice making water supplied to the ice making tray, an ice making heater configured to heat the ice making tray, a sensor configured to detect a temperature of the ice making tray, a memory that stores at least one instruction, and a processor that is connected with the memory and controls the refrigerator, wherein the processor is configured to detect a temperature change of the ice making tray during a cooling time corresponding to whether the ice making heater operates within a predetermined time after a start of ice making driving, and based on the magnitude of the temperature change of the ice making tray being greater than or equal to a value corresponding to the cooling time, stop of the ice making driving.

What is claimed is: 
     
         1 . A refrigerator comprising:
 an ice making tray in which ice making water to be supplied;   an ice making device configured to generate ice by using ice making water supplied to the ice making tray;   an ice making heater configured to heat the ice making tray;   a sensor configured to detect a temperature of the ice making tray;   a memory that stores at least one instruction; and   a processor that is connected with the memory and controls the refrigerator,   wherein the processor is configured to:   detect a temperature change of the ice making tray during a cooling time corresponding to whether the ice making heater operates within a predetermined time after a start an ice making driving, and   based on a magnitude of the detected temperature change of the ice making tray being greater than or equal to a value corresponding to the cooling time, stop the ice making driving.   
     
     
         2 . The refrigerator of  claim 1 ,
 wherein the processor is configured to:   based on the ice making heater operating within the predetermined time after the start of the ice making driving, identify whether a magnitude of a temperature change of the ice making tray during a first cooling time is greater than or equal to a first value, and   based on the ice making heater not operating within the predetermined time after the start of the ice making driving, identify whether a magnitude of a temperature change of the ice making tray during a second cooling time, which is shorter than the first cooling time, is greater than or equal to a second value which is bigger than the first value.   
     
     
         3 . The refrigerator of  claim 2 ,
 wherein the processor is configured to:   based on the magnitude of the temperature change of the ice making tray during the second cooling time being greater than or equal to the second value which is bigger than the first value, stop the operation of the ice making driving,   based on the magnitude of the temperature change of the ice making tray during the second cooling time being smaller than the second value which is bigger than the first value, identify whether a defrost heater operates during the ice making driving, and   determine whether to stop the operation of the ice making driving according to whether the defrost heater operates.   
     
     
         4 . The refrigerator of  claim 3 ,
 wherein the processor is configured to:   based on the defrost heater not having operated, continue performing the ice making driving, and   based on the defrost heater having operated, determine whether to stop the operation of the ice making driving according to whether a magnitude of a temperature change of the ice making tray by the ice making driving during a third cooling time is greater than or equal to a third value.   
     
     
         5 . The refrigerator of  claim 1 ,
 wherein the processor is configured to:   based on the magnitude of the temperature change of the ice making tray being smaller than the value corresponding to the cooling time, continue performing the ice making driving.   
     
     
         6 . The refrigerator of  claim 1 ,
 wherein the processor is configured to:   based on there being a history that supply of ice making water was identified to be abnormal before the start of the ice making driving, identify whether the magnitude of the temperature change of the ice making tray during a first cooling time is greater than or equal to a first value.   
     
     
         7 . The refrigerator of  claim 6 ,
 wherein the processor is configured to:   based on the ice making heater operating during the first cooling time, identify whether the magnitude of the temperature change of the ice making tray during the first cooling time is greater than or equal to the first value, and   based on the ice making heater not operating during the first cooling time, identify whether the magnitude of the temperature change of the ice making tray during the first cooling time is greater than or equal to a second value bigger than the first value.   
     
     
         8 . The refrigerator of  claim 1 ,
 wherein the processor is configured to:   based on the operation of the ice making driving being stopped, provide information notifying that a supply state of ice making water is abnormal, and   based on acquiring a predetermined user input, restart the ice making driving.   
     
     
         9 . The refrigerator of  claim 1 ,
 wherein the processor is configured to:   based on the operation of the ice making driving being stopped, provide information notifying that a supply state of ice making water is abnormal, and   based on detecting opening of an door of the refrigerator, restart the ice making driving after a predetermined second time passes.   
     
     
         10 . A controlling method of a refrigerator, the method comprising:
 detecting a temperature change of an ice making tray during a cooling time corresponding to whether an ice making heater operates within a predetermined time after a start an ice making driving; and   based on a magnitude of the detected temperature change of the ice making tray being greater than or equal to a value corresponding to the cooling time, stopping the ice making driving.   
     
     
         11 . The controlling method of  claim 10 ,
 wherein the stopping the operation of the ice making driving comprises:   based on the ice making heater operating within the predetermined time after the start of the ice making driving, identifying whether a magnitude of a temperature change of the ice making tray during a first cooling time is greater than or equal to a first value; and   based on the ice making heater not operating within the predetermined time after the start of the ice making driving, identifying whether a magnitude of a temperature change of the ice making tray during a second cooling time, which is shorter than the first cooling time, is greater than or equal to a second value which is bigger than the first value.   
     
     
         12 . The controlling method of  claim 11 ,
 wherein the stopping the operation of the ice making driving comprises:   based on the magnitude of the temperature change of the ice making tray during the second cooling time being greater than or equal to the second value which is bigger than the first value, stopping the operation of the ice making driving;   based on the magnitude of the temperature change of the ice making tray during the second cooling time being smaller than the second value which is bigger than the first value, identifying whether a defrost heater operates during the ice making driving; and   determining whether to stop the operation of the ice making driving according to whether the defrost heater operates.   
     
     
         13 . The controlling method of  claim 12 ,
 wherein the stopping of the operation of the ice making driving comprises:   based on the defrost heater not having operated, continuing performing the ice making driving; and   based on the defrost heater having operated, determining whether to stop the operation of the ice making driving according to whether a magnitude of a temperature change of the ice making tray by the ice making driving during a third cooling time is greater than or equal to a third value.   
     
     
         14 . The controlling method of  claim 10 ,
 wherein the stopping of the operation of the ice making driving comprises:   based on the magnitude of the temperature change of the ice making tray being smaller than the value corresponding to the cooling time, continuing performing the ice making driving.   
     
     
         15 . A non-transitory computer-readable recording medium comprising a program executing a controlling method of a refrigerator,
 wherein the controlling method comprises:   detecting a temperature change of an ice making tray during a cooling time corresponding to whether an ice making heater operates within a predetermined time after a start an ice making driving; and   based on a magnitude of the temperature change of the ice making tray being greater than or equal to a value corresponding to the cooling time, stopping the ice making driving.