Induction Cooker Temperature Control Method Based on Optimized Air Duct Design

Abstract

The present invention provides an induction cooker temperature control method based on optimized air duct design. By collecting the internal temperature of the induction cooker in the heating state, as well as the current coil operating parameters and the current fan operating parameters, based on the internal temperature, the current coil operating parameters and the current fan operating parameters, combined with the air duct flow path of the induction cooker, the heat dissipation efficiency of the induction cooker is determined. Based on the relationship between the heat dissipation efficiency of the induction cooker and the preset heat dissipation efficiency, combined with the target temperature of the induction cooker, the current coil operating parameters and the current fan operating parameters are adjusted. Based on the adjusted parameters of the current coil operating parameters and the current fan operating parameters, the air duct flow path is further optimized to ensure the rapid cooling of the internal temperature of the induction cooker, achieve the purpose of optimal fan cooling control, ensure the safe use of the induction cooker, and extend the service life of the induction cooker.

Description

Technical Field

[0001] The present invention relates to the technical field of electromagnetic oven temperature control, and particularly relates to a method for controlling the temperature of an electromagnetic oven based on an optimized air duct design. Background Art

[0002] Due to factors such as convenience in use and fast heating, electromagnetic ovens are increasingly favored by people. During the use of an electromagnetic oven, a large amount of heat will be generated inside the electromagnetic oven, and this heat needs to be dissipated. The main heat dissipation method of the electromagnetic oven includes a blower. The blower discharges the heat through a built-in fan.

[0003] An unreasonable design of the heat dissipation system of the electromagnetic oven will lead to various problems. The heat dissipation system of an inferior electromagnetic oven is unreasonably designed, and the accumulation of oil stains will block the ventilation openings, resulting in an increase in the internal temperature, affecting the heating and service life of the electromagnetic oven coil, and even possibly causing damage to the electromagnetic oven in severe cases. Therefore, the temperature control of the electromagnetic oven is particularly important. Summary of the Invention

[0004] The present invention provides a method for controlling the temperature of an electromagnetic oven based on an optimized air duct design to solve the problems raised in the background art.

[0005] A method for controlling the temperature of an electromagnetic oven based on an optimized air duct design includes:

[0006] S1: Collect the internal temperature of the electromagnetic oven in the heating state, as well as the current coil operating parameters and the current blower operating parameters;

[0007] S2: Based on the internal temperature, the current coil operating parameters and the current blower operating parameters, and in combination with the air duct flow path of the electromagnetic oven, determine the heat dissipation efficiency of the electromagnetic oven;

[0008] S3: Based on the relationship between the heat dissipation efficiency of the electromagnetic oven and the preset heat dissipation efficiency, and in combination with the target temperature of the electromagnetic oven, adjust the current coil operating parameters and the current blower operating parameters;

[0009] S4: Further optimize the air duct flow path based on the parameters after adjusting the current coil operating parameters and the current blower operating parameters.

[0010] Preferably, in S1, collecting the internal temperature of the electromagnetic oven in the heating state, as well as the current coil operating parameters and the current blower operating parameters includes:

[0011] Collect the internal temperature of the electromagnetic oven in the heating state based on a temperature sensor;

[0012] Collect the current coil operating parameters based on a voltage sensor, a current sensor and a timer to obtain the current operating parameters, including the current heating power and the current heating time;

[0013] Based on the fan detection device, the current operating parameters of the fan are detected, including the current rotational speed, current flow rate, and current power.

[0014] Preferably, in S2, based on the internal temperature, the current coil operating parameters, and the current fan operating parameters, combined with the air duct flow path of the induction cooker, the heat dissipation efficiency of the induction cooker is determined, including:

[0015] Obtain the internal temperature difference value within the heat dissipation time, and based on the current fan operating parameters, determine the amount of air passing through the air duct flow path per unit time;

[0016] Based on the internal temperature difference value and the amount of air passing through the air duct flow path per unit time, determine the heat dissipation amount of the fan within the heat dissipation time;

[0017] Based on the current coil operating parameters, combined with the heat dissipation amount, determine the heat dissipation efficiency of the induction cooker.

[0018] Preferably, in S3, based on the relationship between the heat dissipation efficiency of the induction cooker and the preset heat dissipation efficiency, combined with the target temperature of the induction cooker, the current coil operating parameters and the current fan operating parameters are adjusted, including:

[0019] Judge whether the heat dissipation efficiency of the induction cooker is greater than the preset heat dissipation efficiency;

[0020] If so, it is determined that the heat dissipation work of the induction cooker is normal;

[0021] Otherwise, it is determined that the heat dissipation work of the induction cooker is abnormal, and combined with the target temperature of the induction cooker, the current coil operating parameters and the current fan operating parameters are adjusted.

[0022] Preferably, it is determined that the heat dissipation work of the induction cooker is abnormal, and combined with the target temperature of the induction cooker, the current coil operating parameters and the current fan operating parameters are adjusted, including:

[0023] After determining that the heat dissipation work of the induction cooker is abnormal, based on the difference between the heat dissipation efficiency and the preset heat dissipation efficiency, determine the excess heat inside the induction cooker;

[0024] Obtain the current heating power and current heating time from the current coil operating parameters, and based on the current heating power and current heating time, determine multiple combinations of the adjusted heating power and adjusted heating time that meet the target temperature of the induction cooker;

[0025] Obtain the difference value of the generated heat before and after adjustment for each combination, and determine the change trend of the heat difference within a preset time period after adjustment based on the difference value. Obtain the stable difference value when the trend tends to be stable from the change trend of the heat difference. Obtain the candidate combinations corresponding to the difference value within the first preset range and the stable difference value within the second preset range from all combinations, and select the candidate combination with the smallest difference between the selected difference value and the stable difference value from the candidate combinations as the target combination;

[0026] Obtain the adjustment values for the current heating power and the current heating time under the target combination, and obtain the absorption ratio of the excess heat under the adjustment values;

[0027] Based on the absorption ratio of the excess heat, obtain the remaining excess heat, and based on the remaining excess heat, adjust the current working parameters of the fan.

[0028] Preferably, adjusting the current working parameters of the fan based on the remaining excess heat includes:

[0029] Obtain the current rotational speed, the current flow rate, and the current power from the working parameters of the fan;

[0030] Determine the generated heat and the dissipated heat of the fan based on the current rotational speed and the current power, and determine the adjustment parameters for the current rotational speed and the current power based on the remaining excess heat, in combination with the generated heat and the dissipated heat.

[0031] Preferably, in S4, further optimize the air duct flow path based on the parameters after adjusting the current coil working parameters and the current fan working parameters, including:

[0032] Obtain the latest heat dissipation efficiency under the parameters after adjusting the current coil working parameters and the current fan working parameters, and determine whether the latest heat dissipation efficiency is greater than the preset heat dissipation efficiency;

[0033] If so, there is no need to optimize the air duct flow path;

[0034] Otherwise, optimize the air duct flow path based on the current flow rate.

[0035] Preferably, optimizing the air duct flow path based on the current flow rate includes:

[0036] Determine the flow rate distribution corresponding to each air duct flow path based on the current flow rate, and determine the structural distribution of each air duct flow path, and establish a distribution correspondence relationship between the flow rate distribution and the structural distribution;

[0037] Learn the distribution correspondence relationship to obtain the average relationship between the flow rate and the structure, and obtain the air duct flow paths to be cleaned that do not satisfy the average relationship;

[0038] Clean the to-be-cleaned air duct flow path based on the cleaning device;

[0039] Determine the position distribution relationship between the air duct flow path and the coil position, determine the coil area corresponding to each air duct flow path, obtain the temperature reduction value of each air duct flow path for the coil area, and based on the temperature reduction value, divide the coil area into grades to obtain a group of coil grade areas with multiple grades;

[0040] Based on the numerical difference between the average temperature reduction value of the coil grade area group and the preset temperature reduction value, determine the target spacing of the corresponding air duct flow path;

[0041] Based on the grade of the coil grade area, determine the optimization priority for the corresponding air duct flow path, and based on the target spacing, sequentially optimize the spacing of the air duct flow paths according to the adjustment priority to obtain the spacing optimization result of the air duct flow paths;

[0042] Obtain the precise numerical difference between the temperature reduction value of the coil grade area and the preset temperature reduction value, and based on the magnitude of the precise numerical difference, determine the sorting result for all coil grade areas;

[0043] Judge whether the order of the air duct flow path spacings under the spacing optimization result is consistent with the sorting result;

[0044] If so, optimize the air duct flow path based on the spacing optimization result;

[0045] Otherwise, perform secondary optimization on the spacing optimization result based on the sorting result.

[0046] Preferably, cleaning the to-be-cleaned air duct flow path based on the cleaning device includes:

[0047] Determine the flow path position of the to-be-cleaned air duct flow path;

[0048] Based on the flow path position, set the cleaning direction of the cleaning device, and clean the to-be-cleaned air duct flow path according to the cleaning direction.

[0049] Preferably, performing secondary optimization on the spacing optimization result based on the sorting result includes:

[0050] Adjust the spacing of the air duct flow paths in the spacing optimization result according to the sorting result, so that the order of the air duct flow path spacings under the spacing optimization result is consistent with the sorting result.

[0051] Compared with the prior art, the present invention has achieved the following beneficial effects:

[0052] By collecting the internal temperature of the induction cooker in the heating state, as well as the current coil operating parameters and the current fan operating parameters, based on the internal temperature, the current coil operating parameters and the current fan operating parameters, combined with the air duct flow path of the induction cooker, determine the heat dissipation efficiency of the induction cooker. Based on the relationship between the heat dissipation efficiency of the induction cooker and the preset heat dissipation efficiency, combined with the target temperature of the induction cooker, adjust the current coil operating parameters and the current fan operating parameters. Based on the adjusted parameters of the current coil operating parameters and the current fan operating parameters, further optimize the air duct flow path to ensure the rapid cooling of the internal temperature of the induction cooker, achieve the purpose of optimal fan cooling control, ensure the safe use of the induction cooker, and extend the service life of the induction cooker.

[0053] Other features and advantages of the present invention will be described in the following specification, and in part will be obvious from the specification, or will be understood by implementing the present invention. The objectives and other advantages of the present invention can be achieved and obtained by the structures specifically pointed out in this application document.

[0054] The following will further describe in detail the technical solutions of the present invention through the drawings and embodiments. Description of the Drawings

[0055] The drawings are used to provide a further understanding of the present invention, and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention, and do not constitute a limitation to the present invention. In the drawings:

[0056] Figure 1 It is a flowchart of a temperature control method for an induction cooker based on air duct optimization design in an embodiment of the present invention;

[0057] Figure 2 It is a flowchart of parameter collection in an embodiment of the present invention;

[0058] Figure 3 It is a flowchart of determining the heat dissipation efficiency in an embodiment of the present invention. Detailed Embodiments

[0059] The following describes the preferred embodiments of the present invention with reference to the drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0060] Embodiment 1:

[0061] The embodiment of the present invention provides a temperature control method for an induction cooker based on air duct optimization design, as Figure 1 shown, including:

[0062] S1: Collect the internal temperature of the induction cooker in the heating state, as well as the current coil operating parameters and the current fan operating parameters;

[0063] S2: Based on the internal temperature, the current coil operating parameters, and the current fan operating parameters, and in combination with the air duct flow path of the induction cooker, determine the heat dissipation efficiency of the induction cooker;

[0064] S3: Based on the relationship between the heat dissipation efficiency of the induction cooker and the preset heat dissipation efficiency, and in combination with the target temperature of the induction cooker, adjust the current coil operating parameters and the current fan operating parameters;

[0065] S4: Based on the parameters after adjusting the current coil operating parameters and the current fan operating parameters, further optimize the air duct flow path.

[0066] In this embodiment, the current coil operating parameters include the current heating power and the current heating time.

[0067] In this embodiment, the current fan operating parameters include the current rotation speed, the current flow rate, and the current power.

[0068] In this embodiment, when the heat dissipation efficiency of the induction cooker is less than the preset heat dissipation efficiency, it is necessary to adjust the current coil operating parameters and the current fan operating parameters.

[0069] In this embodiment, optimizing the air duct flow path includes structural optimization and cleaning optimization.

[0070] The beneficial effects of the above design scheme are: By collecting the internal temperature of the induction cooker in the heating state, as well as the current coil operating parameters and the current fan operating parameters, based on the internal temperature, the current coil operating parameters, and the current fan operating parameters, and in combination with the air duct flow path of the induction cooker, determine the heat dissipation efficiency of the induction cooker. Based on the relationship between the heat dissipation efficiency of the induction cooker and the preset heat dissipation efficiency, and in combination with the target temperature of the induction cooker, adjust the current coil operating parameters and the current fan operating parameters. Based on the parameters after adjusting the current coil operating parameters and the current fan operating parameters, further optimize the air duct flow path to ensure the rapid cooling of the internal temperature of the induction cooker, achieve the purpose of optimal fan cooling control, ensure the safe use of the induction cooker, and extend the service life of the induction cooker.

[0071] Embodiment 2:

[0072] Based on Embodiment 1, the embodiment of the present invention provides an induction cooker temperature control method based on air duct optimization design, as Figure 2 shown. In S1, collecting the internal temperature of the induction cooker in the heating state, as well as the current coil operating parameters and the current fan operating parameters, includes:

[0073] Collect the internal temperature of the induction cooker in the heating state based on a temperature sensor;

[0074] Based on a voltage sensor, a current sensor, and a timer, the current coil operating parameters are collected to obtain the current operating parameters, including the current heating power and the current heating time;

[0075] Based on the fan detection device, the current fan operating parameters are detected, including the current rotational speed, the current flow rate, and the current power.

[0076] The beneficial effects of the above design scheme are as follows: By collecting the internal temperature of the induction cooker in the heating state based on a temperature sensor, collecting the current coil operating parameters based on a voltage sensor, a current sensor, and a timer to obtain the current operating parameters, including the current heating power and the current heating time, and detecting the current fan operating parameters based on the fan detection device, including the current rotational speed, the current flow rate, and the current power, the parameter detection of the induction cooker is realized, providing a parameter basis for further temperature analysis and control of the induction cooker.

[0077] Embodiment 3:

[0078] Based on Embodiment 1, an induction cooker temperature control method based on an optimized air duct design is provided in an embodiment of the present invention. As Figure 3 shown, in S2, based on the internal temperature, the current coil operating parameters, and the current fan operating parameters, combined with the air duct flow path of the induction cooker, the heat dissipation efficiency of the induction cooker is determined, including:

[0079] Obtain the internal temperature difference value within the heat dissipation time, and based on the current fan operating parameters, determine the air volume passing through the air duct flow path per unit time;

[0080] Based on the internal temperature difference value and the air volume passing through the air duct flow path per unit time, determine the heat dissipation amount of the fan within the heat dissipation time;

[0081] Based on the current coil operating parameters, combined with the heat dissipation amount, determine the heat dissipation efficiency of the induction cooker.

[0082] In this embodiment, the heat dissipation amount calculation: The heat dissipation amount Q can be calculated by the formula Q = c × m × (T2 - T1), where c is the specific heat capacity of air, m is the air volume passing through the air duct flow path per unit time, and T2 - T1 is the internal temperature difference value.

[0083] In this embodiment, the heat dissipation amount is positively correlated with the heat dissipation efficiency, and it is further determined in combination with the current coil operating parameters and the actual situation.

[0084] The beneficial effects of the above design solution are as follows: By obtaining the internal temperature difference value within the heat dissipation time, based on the current fan operating parameters, determining the air volume passing through the air duct flow channel per unit time, based on the internal temperature difference value and the air volume passing through the air duct flow channel per unit time, determining the heat dissipation amount of the fan within the heat dissipation time, and based on the current coil operating parameters and in combination with the heat dissipation amount, determining the heat dissipation efficiency of the induction cooker, providing a basis for the temperature control of the induction cooker.

[0085] Embodiment 4:

[0086] Based on Embodiment 1, an embodiment of the present invention provides a method for controlling the temperature of an induction cooker based on optimized air duct design. In S3, based on the relationship between the heat dissipation efficiency of the induction cooker and the preset heat dissipation efficiency, and in combination with the target temperature of the induction cooker, adjusting the current coil operating parameters and the current fan operating parameters, including:

[0087] Judging whether the heat dissipation efficiency of the induction cooker is greater than the preset heat dissipation efficiency;

[0088] If so, determining that the heat dissipation work of the induction cooker is normal;

[0089] Otherwise, determining that the heat dissipation work of the induction cooker is abnormal, and in combination with the target temperature of the induction cooker, adjusting the current coil operating parameters and the current fan operating parameters.

[0090] The beneficial effects of the above design solution are as follows: By judging whether the heat dissipation efficiency of the induction cooker is greater than the preset heat dissipation efficiency; if so, determining that the heat dissipation work of the induction cooker is normal; otherwise, determining that the heat dissipation work of the induction cooker is abnormal, and in combination with the target temperature of the induction cooker, adjusting the current coil operating parameters and the current fan operating parameters, realizing real-time detection of the working state of the induction cooker, facilitating subsequent timely adjustment of the heat dissipation work of the induction cooker.

[0091] Embodiment 5:

[0092] Based on Embodiment 4, an embodiment of the present invention provides a method for controlling the temperature of an induction cooker based on optimized air duct design. Determining that the heat dissipation work of the induction cooker is abnormal, and in combination with the target temperature of the induction cooker, adjusting the current coil operating parameters and the current fan operating parameters, including:

[0093] After determining that the heat dissipation work of the induction cooker is abnormal, based on the difference between the heat dissipation efficiency and the preset heat dissipation efficiency, determining the excess heat in the induction cooker;

[0094] Obtaining the current heating power and the current heating time from the current coil operating parameters, and based on the current heating power and the current heating time, determining multiple combinations of the adjusted heating power and the adjusted heating time that meet the target temperature of the induction cooker;

[0095] Obtain the difference value of the generated heat before and after adjustment for each combination, and determine the change trend of the heat difference within a preset time period after adjustment based on the difference value. Obtain the stable difference value when the trend tends to be stable from the heat difference change trend. Obtain the candidate combinations corresponding to the difference value within the first preset range and the stable difference value within the second preset range from all combinations, and select the candidate combination with the smallest difference between the selected difference value and the stable difference value from the candidate combinations as the target combination;

[0096] Obtain the adjustment values of the current heating power and the current heating time under the target combination, and obtain the absorption ratio of the excess heat under the adjustment values;

[0097] Based on the absorption ratio of the excess heat, obtain the remaining excess heat, and based on the remaining excess heat, adjust the current fan working parameters.

[0098] In this embodiment, the excess heat in the induction cooker is the heat generated due to the unqualified heat dissipation efficiency.

[0099] In this embodiment, the multiple combinations of the adjusted heating power and the adjusted heating time that meet the target temperature of the induction cooker are the combination adjustment situations of the current heating power and the current heating time corresponding to reaching the target temperature.

[0100] In this embodiment, the difference value of the generated heat before and after adjustment for each combination changes with time.

[0101] The beneficial effects of the above design are as follows: After determining that the heat dissipation work of the induction cooker is abnormal, based on the difference between the heat dissipation efficiency and the preset heat dissipation efficiency, determine the excess heat in the induction cooker;

[0102] Obtain the current heating power and the current heating time from the current coil working parameters, and determine multiple combinations of the adjusted heating power and the adjusted heating time that meet the target temperature of the induction cooker based on the current heating power and the current heating time; Obtain the difference value of the generated heat before and after adjustment for each combination, and determine the change trend of the heat difference within a preset time period after adjustment based on the difference value. Obtain the stable difference value when the trend tends to be stable from the heat difference change trend. Obtain the candidate combinations corresponding to the difference value within the first preset range and the stable difference value within the second preset range from all combinations, and select the candidate combination with the smallest difference between the selected difference value and the stable difference value from the candidate combinations as the target combination; Obtain the adjustment values of the current heating power and the current heating time under the target combination, and obtain the absorption ratio of the excess heat under the adjustment values; Based on the absorption ratio of the excess heat, obtain the remaining excess heat, and based on the remaining excess heat, adjust the current fan working parameters, so as to realize the temperature control of the induction cooker from the aspect of parameter adjustment.

[0103] Embodiment 6:

[0104] Based on Embodiment 5, an embodiment of the present invention provides an electromagnetic oven temperature control method based on optimized air duct design, which adjusts the current fan operating parameters based on the remaining excess heat, including:

[0105] Obtain the current speed, current flow rate, and current power from the fan operating parameters;

[0106] Determine the heat generated and dissipated by the fan based on the current speed and current power, and determine the adjustment parameters for the current speed and current power based on the remaining excess heat, in combination with the heat generated and dissipated.

[0107] The beneficial effect of the above design solution is: by obtaining the current speed, current flow rate, and current power from the fan operating parameters, determining the heat generated and dissipated by the fan based on the current speed and current power, and determining the adjustment parameters for the current speed and current power based on the remaining excess heat, in combination with the heat generated and dissipated, the temperature control of the electromagnetic oven is realized from the aspect of parameter adjustment.

[0108] Embodiment 7:

[0109] Based on Embodiment 1, an embodiment of the present invention provides an electromagnetic oven temperature control method based on optimized air duct design. In S4, based on the parameters after adjusting the current coil operating parameters and the current fan operating parameters, the air duct flow path is further optimized, including:

[0110] Obtain the latest heat dissipation efficiency under the parameters after adjusting the current coil operating parameters and the current fan operating parameters, and determine whether the latest heat dissipation efficiency is greater than the preset heat dissipation efficiency;

[0111] If so, there is no need to optimize the air duct flow path;

[0112] Otherwise, optimize the air duct flow path based on the current flow rate.

[0113] The beneficial effect of the above design solution is: by obtaining the latest heat dissipation efficiency under the parameters after adjusting the current coil operating parameters and the current fan operating parameters, and determining whether the latest heat dissipation efficiency is greater than the preset heat dissipation efficiency; if so, there is no need to optimize the air duct flow path, otherwise, optimize the air duct flow path based on the current flow rate, and the temperature control of the electromagnetic oven based on optimized air duct design is realized.

[0114] Embodiment 8:

[0115] Based on Embodiment 7, an embodiment of the present invention provides an electromagnetic oven temperature control method based on optimized air duct design, which optimizes the air duct flow path based on the current flow rate, including:

[0116] Determine the flow distribution corresponding to each air duct flow channel based on the current flow rate, and determine the structural distribution of each air duct flow channel, and establish a distribution correspondence relationship between the flow distribution and the structural distribution;

[0117] Learn the said distribution correspondence relationship to obtain the average relationship between the flow rate and the structure, and obtain the air duct flow channels to be cleaned that do not satisfy the said average relationship;

[0118] Clean the air duct flow channels to be cleaned based on the cleaning device;

[0119] Determine the positional distribution relationship between the air duct flow channels and the coil positions, determine the coil regions corresponding to each air duct flow channel, and obtain the temperature reduction values of each air duct flow channel for the coil regions. Based on the said temperature reduction values, conduct grade division on the coil regions to obtain multiple grades of coil grade region groups;

[0120] Based on the numerical difference between the average temperature reduction value of the said coil grade region group and the preset temperature reduction value, determine the target spacing of the corresponding air duct flow channels;

[0121] Based on the grade of the coil grade region, determine the optimization priority of the corresponding air duct flow channels. Based on the said target spacing, sequentially optimize the spacing of the air duct flow channels according to the adjustment priority to obtain the spacing optimization result of the air duct flow channels;

[0122] Obtain the precise numerical difference between the temperature reduction value of the coil grade region and the preset temperature reduction value, and determine the sorting result of all the coil grade regions based on the magnitude of the said precise numerical difference;

[0123] Judge whether the order of the sizes of the air duct flow channel spacings under the said spacing optimization result is consistent with the sorting result;

[0124] If so, optimize the air duct flow channels based on the said spacing optimization result;

[0125] Otherwise, conduct secondary optimization on the said spacing optimization result based on the sorting result.

[0126] In this embodiment, the air duct flow channels to be cleaned that do not satisfy the said average relationship have more dust accumulation than Bioming oil.

[0127] In this embodiment, the temperatures of the coil regions at different positions are different, and it is necessary to design the air duct flow channel spacing specifically for heat dissipation.

[0128] The beneficial effects of the above design scheme are as follows: determining the flow distribution corresponding to each air duct flow channel based on the current flow rate, and determining the structural distribution of each air duct flow channel, establishing a distribution correspondence relationship between the flow distribution and the structural distribution; learning the distribution correspondence relationship to obtain the average relationship between the flow rate and the structure, and obtaining the air duct flow channels to be cleaned that do not satisfy the average relationship; cleaning the air duct flow channels to be cleaned based on a cleaning device; determining the positional distribution relationship between the air duct flow channels and the coil positions, determining the coil area corresponding to each air duct flow channel, and obtaining the temperature reduction value of each air duct flow channel for the coil area, classifying the coil area based on the temperature reduction value to obtain a group of coil grade areas with multiple grades; determining the target spacing of the corresponding air duct flow channels based on the numerical difference between the average temperature reduction value of the coil grade area group and the preset temperature reduction value; determining the optimization priority of the corresponding air duct flow channels based on the grade of the coil grade area, and sequentially optimizing the spacing of the air duct flow channels according to the adjustment priority based on the target spacing to obtain the spacing optimization result of the air duct flow channels; obtaining the precise numerical difference between the temperature reduction value of the coil grade area and the preset temperature reduction value, and determining the sorting result of all the coil grade areas based on the magnitude of the precise numerical difference; determining whether the order of the air duct flow channel spacings under the spacing optimization result is consistent with the sorting result; if so, optimizing the air duct flow channels based on the spacing optimization result; otherwise, performing secondary optimization on the spacing optimization result based on the sorting result, ensuring the rapid temperature reduction inside the induction cooker from two aspects of cleaning and spacing optimization, achieving the purpose of optimal cooling control of the fan, ensuring the safe use of the induction cooker, and prolonging the service life of the induction cooker.

[0129] Embodiment 9:

[0130] Based on Embodiment 8, an induction cooker temperature control method based on air duct optimization design is provided in an embodiment of the present invention. Cleaning the air duct flow channels to be cleaned based on a cleaning device includes:

[0131] Determining the flow channel position of the air duct flow channels to be cleaned;

[0132] Setting the cleaning direction of the cleaning device based on the flow channel position, and cleaning the air duct flow channels to be cleaned according to the cleaning direction.

[0133] The beneficial effects of the above design scheme are as follows: By determining the flow channel position of the air duct flow channels to be cleaned, setting the cleaning direction of the cleaning device based on the flow channel position, and cleaning the air duct flow channels to be cleaned according to the cleaning direction, the influence of dust accumulation in the air duct flow channels on the heat dissipation effect of the induction cooker is avoided.

[0134] Embodiment 10:

[0135] Based on Embodiment 8, an embodiment of the present invention provides an electromagnetic cooker temperature control method based on optimized air duct design. Based on the sorting result, a secondary optimization is performed on the spacing optimization result, including:

[0136] Adjust the spacing of the air duct flow channels in the spacing optimization result according to the sorting result, so that the order of the sizes of the air duct flow channel spacings under the spacing optimization result is consistent with the sorting result.

[0137] The beneficial effect of the above design solution is that by adjusting the spacing of the air duct flow channels in the spacing optimization result according to the sorting result, the order of the sizes of the air duct flow channel spacings under the spacing optimization result is consistent with the sorting result, ensuring that the optimized air duct flow channel spacing can better dissipate heat from the electromagnetic cooker.

[0138] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of this application document and its equivalent technologies, the present invention also intends to include these changes and modifications.

Claims

1. An electromagnetic induction cooker temperature control method based on optimized air duct design, characterized in that, Including: S1: Collect the internal temperature of the induction cooker in the heating state, as well as the current coil operating parameters and the current fan operating parameters; S2: Based on the internal temperature, the current coil operating parameters and the current fan operating parameters, and in combination with the air duct flow path of the induction cooker, determine the heat dissipation efficiency of the induction cooker; S3: Based on the relationship between the heat dissipation efficiency of the induction cooker and the preset heat dissipation efficiency, and in combination with the target temperature of the induction cooker, adjust the current coil operating parameters and the current fan operating parameters; S4: Further optimize the air duct flow path based on the parameters after adjusting the current coil operating parameters and the current fan operating parameters; In S4, further optimize the air duct flow path based on the parameters after adjusting the current coil operating parameters and the current fan operating parameters, including: Obtain the latest heat dissipation efficiency under the parameters after adjusting the current coil operating parameters and the current fan operating parameters, and determine whether the latest heat dissipation efficiency is greater than the preset heat dissipation efficiency; If so, there is no need to optimize the air duct flow path; Otherwise, optimize the air duct flow path based on the current flow rate; The optimizing the air duct flow path based on the current flow rate includes: Determine the flow rate distribution corresponding to each air duct flow path based on the current flow rate, and determine the structural distribution of each air duct flow path, and establish a distribution correspondence relationship between the flow rate distribution and the structural distribution; Learn the distribution correspondence relationship to obtain the average relationship between the flow rate and the structure, and obtain the air duct flow paths to be cleaned that do not satisfy the average relationship; Clean the air duct flow paths to be cleaned based on the cleaning device; Determine the position distribution relationship between the air duct flow path and the coil position, determine the coil area corresponding to each air duct flow path, and obtain the temperature reduction value of each air duct flow path for the coil area, and based on the temperature reduction value, divide the coil area into multiple levels to obtain a group of coil level areas of multiple levels; Based on the numerical difference between the average temperature reduction value of the coil level area group and the preset temperature reduction value, determine the target spacing of the corresponding air duct flow path; Based on the level of the coil level area, determine the optimization priority of the corresponding air duct flow path, and based on the target spacing, sequentially optimize the spacing of the air duct flow path according to the adjustment priority to obtain the spacing optimization result of the air duct flow path; Obtain the precise numerical difference between the temperature reduction value of the coil level area and the preset temperature reduction value, and determine the sorting result of all the coil level areas based on the magnitude of the precise numerical difference; Determine whether the order of the air duct flow path spacing sizes under the spacing optimization result is consistent with the sorting result; If so, optimize the air duct flow path based on the spacing optimization result; Otherwise, perform secondary optimization on the spacing optimization result based on the sorting result.

2. The method for controlling the temperature of an induction cooker based on the optimized design of the air duct according to claim 1, wherein In S1, collecting the internal temperature of the induction cooker in the heating state, as well as the current coil operating parameters and the current fan operating parameters, includes: Collect the internal temperature of the induction cooker in the heating state based on a temperature sensor; Collect the current coil operating parameters based on a voltage sensor, a current sensor and a timer to obtain the current operating parameters, including the current heating power and the current heating time; Detect the current working parameters of the fan based on the fan detection device, including the current speed, current flow rate, and current power.

3. A method for controlling the temperature of an induction cooker based on optimized air duct design according to claim 1, characterized in that, In step S2, based on the internal temperature, the current coil working parameters, and the current fan working parameters, and in combination with the air duct flow path of the induction cooker, determine the heat dissipation efficiency of the induction cooker, including: Obtain the internal temperature difference value within the heat dissipation time, and based on the current fan working parameters, determine the amount of air passing through the air duct flow path per unit time; Based on the internal temperature difference value and the amount of air passing through the air duct flow path per unit time, determine the heat dissipation amount of the fan within the heat dissipation time; Based on the current coil working parameters and in combination with the heat dissipation amount, determine the heat dissipation efficiency of the induction cooker.

4. A method for controlling the temperature of an induction cooker based on an optimized design of the air duct according to claim 1, characterized in that, In step S3, based on the relationship between the heat dissipation efficiency of the induction cooker and the preset heat dissipation efficiency, and in combination with the target temperature of the induction cooker, adjust the current coil working parameters and the current fan working parameters, including: Judge whether the heat dissipation efficiency of the induction cooker is greater than the preset heat dissipation efficiency; If so, determine that the heat dissipation work of the induction cooker is normal; Otherwise, determine that the heat dissipation work of the induction cooker is abnormal, and in combination with the target temperature of the induction cooker, adjust the current coil working parameters and the current fan working parameters.

5. A method for controlling the temperature of an induction cooker based on an optimized air duct design according to claim 4, characterized in that, Determine that the heat dissipation work of the induction cooker is abnormal, and in combination with the target temperature of the induction cooker, adjust the current coil working parameters and the current fan working parameters, including: After determining that the heat dissipation work of the induction cooker is abnormal, based on the difference between the heat dissipation efficiency and the preset heat dissipation efficiency, determine the excess heat inside the induction cooker; Obtain the current heating power and the current heating time from the current coil working parameters, and based on the current heating power and the current heating time, determine multiple combinations of the adjusted heating power and the adjusted heating time that meet the target temperature of the induction cooker; Obtain the difference value of the heat generated before and after adjustment according to each combination, and based on the difference value, determine the change trend of the heat difference within the preset time period after adjustment. Obtain the stable difference value when the trend tends to be stable from the heat difference change trend. From all combinations, obtain the candidate combinations corresponding to the difference value within the first preset range and the stable difference value within the second preset range, and select the candidate combination with the smallest difference between the selected difference value and the stable difference value from the candidate combinations as the target combination; Obtain the adjustment values of the current heating power and the current heating time under the target combination, and obtain the absorption ratio of the excess heat under the adjustment values; Based on the absorption ratio of the excess heat, obtain the remaining excess heat, and based on the remaining excess heat, adjust the current fan working parameters.

6. A method for controlling the temperature of an induction cooker based on an optimized air duct design according to claim 5, characterized in that, Adjust the current fan working parameters based on the remaining excess heat, including: Obtain the current speed, current flow rate, and current power from the fan working parameters; Based on the current speed and the current power, determine the heat generated and the heat dissipated by the fan. Based on the remaining excess heat, in combination with the heat generated and the heat dissipated, determine the adjustment parameters for the current speed and the current power.

7. A method for controlling the temperature of an induction cooker based on optimized air duct design according to claim 1, characterized in that, Clean the air duct flow path to be cleaned based on the cleaning device, including: Determine the flow path position of the air duct flow path to be cleaned; Based on the flow path position, set the cleaning direction of the cleaning device, and clean the air duct flow path to be cleaned according to the cleaning direction.

8. A method for controlling the temperature of an induction cooker based on an optimized air duct design according to claim 1, characterized in that, Perform secondary optimization on the spacing optimization result based on the sorting result, including: Adjust the spacing of the air duct flow channels in the spacing optimization result according to the sorting result, so that the order of the sizes of the air duct flow channel spacings under the spacing optimization result is consistent with the sorting result.

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