Microwave oven and thawing control method and device for the same

Abstract

The present disclosure provides a microwave oven, and a thawing control method and device for the same. The method includes: S 1 , receiving a thawing instruction; S 2 , starting a thawing; and S 3 , controlling a thawing condition, to maintain a temperature of food in the microwave oven in −3° C.˜0° C. With the method, by taking temperatures in the range of −3° C.˜0° C. as an optimal temperature at thawing endpoint for thawing the food, the thawed food is more nutritious, healthier, and easier to cut, and has the low temperature difference, without a cooked discoloration phenomenon.

1 . A thawing control method for a microwave oven, comprising:
 S 1 , receiving a thawing instruction;   S 2 , starting a thawing; and   S 3 , controlling a thawing condition, to maintain a temperature of food in the microwave oven in −3° C.˜0° C.   
     
     
         2 . The thawing control method according to  claim 1 , wherein the thawing condition comprises at least one of a period of thawing, heating power, and a heating direction. 
     
     
         3 .- 14 . (canceled) 
     
     
         15 . The thawing control method according to  claim 1 , further comprising:
 S 4 , detecting temperatures of a plurality of temperature detecting points on the food in the microwave oven,   wherein step S 3  comprises:
 S 31 B, thawing the food according to the temperatures of the plurality of temperature detecting points on the food, to maintain the temperature of the food in −3° C.˜0° C. 
   
     
     
         16 . (canceled) 
     
     
         17 . The thawing control method according to  claim 15 , wherein the temperatures of the plurality of temperature detecting points on the food are detected by an infrared temperature sensor disposed in the microwave oven in step S 4 ,
 wherein the infrared temperature sensor comprises M infrared temperature sensing probes, and the temperatures of the plurality of temperature detecting points on the food are detected by N infrared temperature sensing probes, where N and M are positive integers, and N is less than or equal to M,   wherein step S 31 B comprises successively adopting a plurality of firepower levels according to temperature detection values of the N infrared temperature sensing probes to thaw the food.   
     
     
         18 .- 19 . (canceled) 
     
     
         20 . The thawing control method according to  claim 17 , wherein step S 31 B comprises:
 S 311 , thawing the food with a first firepower level, wherein the first firepower level is 30%˜60% of a maximum firepower;   S 312 , when 30% of the temperature detection values of the N infrared temperature sensing probes are larger than −4° C., thawing the food with a second firepower level, wherein the second firepower level is 20%˜40% of the maximum firepower;   S 313 , when 60% of the temperature detection values of the N infrared temperature sensing probes are larger than −4° C., thawing the food with a third firepower level, wherein the third firepower level is 30%˜60% of the maximum firepower;   S 314 , when 30% of the temperature detection values of the N infrared temperature sensing probes are in −3° C.˜0° C., thawing the food with a fourth firepower level, wherein the fourth firepower level is 0%˜30% of the maximum firepower; and   S 315 , when 80% of the temperature detection values of the N infrared temperature sensing probes are in −3° C.˜0° C., stopping thawing the food.   
     
     
         21 . (canceled) 
     
     
         22 . The thawing control method according to  claim 15 , wherein the microwave oven comprises a rotatable heating antenna, and step S 3  comprises:
 S 31 C, determining a heating angle of the heating antenna according to the temperatures of the plurality of temperature detecting points; and 
 S 32 C, controlling the heating antenna to rotate according to the heating angle to maintain the temperature of the food in −3° C.˜0° C. 
 
     
     
         23 . The thawing control method according to  claim 22 , further comprising:
 in step S 31 C, judging a position of a point with a minimum temperature in the plurality of temperature detecting points; and   in step S 32 C, controlling the heating antenna to rotate to the position of the point with the minimum temperature.   
     
     
         24 . The thawing control method according to  claim 22 , between step S 4  and step S 31 C, further comprising:
 S 6 , controlling the heating antenna to rotate at a constant speed; and 
 S 7 , when 30% of the temperatures of the plurality of temperature detecting points are larger than −4° C., controlling to execute step S 31 C, 
 wherein step S 32 C comprises:
 when 80% of the temperatures of the plurality of temperature detecting points are in −3° C.˜0° C., stopping the thawing. 
 
 
     
     
         25 .- 26 . (canceled) 
     
     
         27 . The thawing control method according to  claim 1 , wherein the thawing condition is controlled to maintain the temperature of the food in the microwave oven at −1° C. 
     
     
         28 .- 62 . (canceled) 
     
     
         63 . A thawing control device for a microwave oven, comprising:
 a processor; and   a memory for storing instructions executable by the processor,   wherein the processor is configured to:
 receive a thawing instruction; 
 start a thawing; and 
 control a thawing condition, to maintain a temperature of food in the microwave oven in −3° C.˜0° C. 
   
     
     
         64 .- 70 . (canceled) 
     
     
         71 . The thawing control device according to  claim 63 , wherein the processor is further configured to:
 detect temperatures of a plurality of temperature detecting points on the food in the microwave oven; and   thaw the food according to the temperatures of the plurality of temperature detecting points on the food, to maintain the temperature of the food in −3° C.˜0° C.   
     
     
         72 . (canceled) 
     
     
         73 . The thawing control device according to  claim 71 , further comprising:
 an infrared temperature sensor disposed in the microwave oven,   wherein the infrared temperature sensor is configured to detect the temperatures of the plurality of temperature detecting points on the food and to transmit the temperatures of the plurality of temperature detecting points on the food to the processor,   wherein the infrared temperature sensor comprises M infrared temperature sensing probes, and the temperatures of the plurality of temperature detecting points on the food are detected by N infrared temperature sensing probes, where N and M are positive integers, and N is less than or equal to M,   wherein the processor is configured to successively adopt a plurality of firepower levels according to temperature detection values of the N infrared temperature sensing probes to thaw the food.   
     
     
         74 .- 75 . (canceled) 
     
     
         76 . The thawing control device according to  claim 73 , wherein the processor is further configured to:
 thaw the food with a first firepower level, wherein the first firepower level is 30%-60% of a maximum firepower;   when 30% of the temperature detection values of the N infrared temperature sensing probes are larger than −4° C., thaw the food with a second firepower level, wherein the second firepower level is 20%˜40% of the maximum firepower;   when 60% of the temperature detection values of the N infrared temperature sensing probes are larger than −4° C., thaw the food with a third firepower level, wherein the third firepower level is 30%˜60% of the maximum firepower;   when 30% of the temperature detection values of the N infrared temperature sensing probes are in −3° C.˜0° C., thaw the food with a fourth firepower level, wherein the fourth firepower level is 0%˜30% of the maximum firepower; and   when 80% of the temperature detection values of the N infrared temperature sensing probes are in −3° C.˜0° C., stop thawing the food.   
     
     
         77 . The thawing control device according to  claim 71 , wherein the microwave oven comprises a rotatable heating antenna, and the processor is further configured to:
 determine a heating angle of the heating antenna according to the temperatures of the plurality of temperature detecting points; and   control the heating antenna to rotate according to the heating angle to maintain the temperature of the food in −3° C.˜0° C.   
     
     
         78 . The thawing control device according to  claim 63 , wherein the processor is configured to control the thawing condition to maintain the temperature of the food in the microwave oven at −1° C. 
     
     
         79 .- 102 . (canceled) 
     
     
         103 . A microwave oven, comprising:
 an oven body, wherein an oven chamber is limited inside the oven body, and food is adaptive to be placed in the oven chamber;   a control panel, disposed on the oven body, and having a key for thawing and a key for starting;   a microwave generator, disposed in the oven body, and configured to emit microwaves to the oven chamber to thaw the food;   a controller, configured to execute:
 receiving a thawing instruction; 
 starting a thawing; and 
 controlling a thawing condition, to maintain a temperature of food in the microwave oven in −3° C.˜0° C. 
   
     
     
         104 .- 107 . (canceled) 
     
     
         108 . The thawing control method according to  claim 1 , wherein the thawing condition is controlled to maintain the temperature of the food in the microwave oven in −3° C.˜0° C. after thawing. 
     
     
         109 . The thawing control method according to  claim 1 , wherein the thawing condition is controlled to make the temperature of the food lower than −3° C.˜0° C. in thawing and to maintain the temperature of the food in the microwave oven in −3° C.˜0° C. after thawing. 
     
     
         110 . The thawing control method according to  claim 1 , wherein the thawing condition is controlled to maintain the temperature of the food in the microwave oven at −1° C. after thawing. 
     
     
         111 . The thawing control method according to  claim 1 , wherein the thawing condition is controlled to make the temperature of the food lower than −1° C. in thawing and to maintain the temperature of the food in the microwave oven in −1° C. after thawing.