Method for calculating water temperature of stewed object in cooking utensil in cooking process
A technology of cooking utensils and calculation methods, which is applied in the direction of timing control of ignition mechanisms, etc., can solve problems such as inaccurate methods of water temperature, and achieve the effects of accurate temperature control and wide application range.
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no. 1 example
[0033] The method for calculating the water temperature of the stew in the cooking utensil in this cooking process is characterized in that in the cooking process, the current water temperature of the stew in the current heating cycle is T 水 , with T 水 =(W 当前 -Q 当前煮水散 ) / (C 水 +C 器具 )+T 之前炖煮 ,
[0034] in,
[0035] W 当前 is the current work supplied to the cooking appliance during the current heating cycle,
[0036] W 当前 =P 当前 *Z 当前 , W 当前 The unit is J;
[0037] P 当前 is the current power in the current heating cycle, P 当前 The unit of is J / s, determined by the input terminal or selection terminal of the cooking appliance;
[0038] Z 当前 is the cooking time of the current heating cycle, Z 当前 The default is 1 second, and every 1 second is regarded as a heating cycle for calculation;
[0039] Q 当前煮水散 is the current heat dissipation of the stew in the cooking appliance during the current heating cycle, Q 当前煮水散 The unit is J,
[0040] Q 当前煮水散 =Q 当前热损耗 +Q 煮水散 ; ...
no. 2 example
[0070] Next, to obtain the water temperature of the stew in the cooking appliance after the second second of the cooking appliance’s operation, continue to use the above condition setting, then this is the second heating cycle, and there is the first heating cycle in the previous stewing, so The T obtained after the first heating cycle will be 水 assign to T 之前炖煮 , so, T 之前炖煮 It is 21.1052°C.
[0071] Current power P of the cooking appliance 当前 is 5000J / s, the heat loss P of the heat source of the cooking appliance 热损耗 = 5000J / sec*0.4=2000J / sec, heat dissipation coefficient N of water in the cooking utensil 水散 is 0.8J / (°C seconds), the mass of water in the cooking utensil M 水 is 500g, the mass of the cooking utensil M 器具 is 1000g, the specific heat capacity B of cooking utensils 器 is 0.6J / (g℃), the specific heat capacity B of the water in the cooking utensil 水 It is 4.2J / (g°C).
[0072] The temperature of the stew in the cooker is now calculated for the second second a...
no. 3 example
[0085] Next, to obtain the water temperature of the stew in the cooking appliance after the third second of operation of the cooking appliance, continue to use the above-mentioned condition settings, then this is the third heating cycle. Two heating cycles, so the T obtained after the second heating cycle 水 assign to T 之前炖煮 , so, T 之前炖煮 It is 22.2101°C.
[0086] Current power P of the cooking appliance 当前 is 5000J / s, the heat loss P of the heat source of cooking utensils 热损耗 is 2000J / s, the heat dissipation coefficient of water in the cooking appliance N 水散 is 0.8J / (°C sec), the mass of water in the cooking utensil M 水 is 500g, the mass of the cooking utensil M 器具 is 1000g, the specific heat capacity B of cooking utensils 器 is 0.6J / (g℃), the specific heat capacity B of the water in the cooking utensil 水 It is 4.2J / (g°C).
[0087] Now start counting the temperature of the stew in the cooker after the third second of the cooker's operation.
[0088] T 水 =(W 当前 -Q 当...
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