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CN-122028236-A - Electromagnetic heating method and system and intelligent electric appliance

CN122028236ACN 122028236 ACN122028236 ACN 122028236ACN-122028236-A

Abstract

The invention discloses an electromagnetic heating method, an electromagnetic heating system and an intelligent electrical appliance, wherein the method comprises the steps of obtaining target temperature field data, initial heating frequency data and initial magnetic field intensity data corresponding to an object to be heated; the method comprises the steps of determining first target heating frequency data based on first voltage data and first current data corresponding to a magnetic field generating unit under initial heating frequency data, determining a position, meeting first preset conditions, in a temperature field as a target position, optimizing initial magnetic field intensity data based on distance data and angle data between the magnetic field generating unit and the target position and area data of the magnetic field generating unit to obtain first target magnetic field intensity data, and controlling the magnetic field generating unit to generate a magnetic field based on the first target heating frequency data and the first target magnetic field intensity data so as to heat an object to be heated. By utilizing the embodiment of the invention, the uniformity of electromagnetic heating can be improved, and the energy efficiency of electromagnetic heating can be improved.

Inventors

  • CHEN YIFENG

Assignees

  • 宁波方太厨具有限公司

Dates

Publication Date
20260512
Application Date
20260302

Claims (10)

  1. 1. A method of electromagnetic heating, the method comprising: acquiring target temperature field data, initial heating frequency data and initial magnetic field intensity data corresponding to an object to be heated, wherein the target temperature field data comprises temperature data of each position in a temperature field corresponding to the object to be heated; determining first target heating frequency data based on first voltage data and first current data corresponding to the magnetic field generating unit under the initial heating frequency data; determining the position of the temperature data meeting the first preset condition in the temperature field as a target position; Optimizing the initial magnetic field intensity data based on distance data and angle data between the magnetic field generating unit and the target position and area data of the magnetic field generating unit to obtain first target magnetic field intensity data; And controlling the magnetic field generating unit to generate a magnetic field based on the first target heating frequency data and the first target magnetic field intensity data so as to heat the object to be heated.
  2. 2. The method of claim 1, wherein determining the first target heating frequency data based on the first voltage data and the first current data corresponding to the magnetic field generating unit at the initial heating frequency data comprises: adjusting the initial heating frequency data based on preset frequency adjustment data to obtain a plurality of updated heating frequency data; Determining each heating power data based on first voltage data and first current data corresponding to the magnetic field generating unit under each updated heating frequency data; And determining updated heating frequency data corresponding to the heating power data meeting the second preset condition in the plurality of heating power data as the first target heating frequency data.
  3. 3. The method according to claim 1, wherein the method further comprises: acquiring an initial proportional coefficient and an initial integral coefficient; Under the condition that the difference temperature data meets a third preset condition, the initial proportional coefficient and the initial integral coefficient are adjusted to obtain a target proportional coefficient and a target integral coefficient, wherein the difference temperature data is the difference data between the target temperature field data and preset temperature field data; Determining compensation magnetic field strength data based on the target scaling factor, the target integration factor, and the differential temperature data; Based on the compensation magnetic field intensity data, compensating the first target magnetic field intensity data to obtain second target magnetic field intensity data; Accordingly, the controlling the magnetic field generating unit to generate a magnetic field based on the first target heating frequency data and the first target magnetic field strength data includes: The magnetic field generating unit is controlled to generate a magnetic field based on the first target heating frequency data and the second target magnetic field strength data.
  4. 4. The method of claim 1, wherein the acquiring target temperature field data, initial heating frequency data, and initial magnetic field strength data corresponding to the object to be heated comprises: acquiring target temperature field data and material data corresponding to the object to be heated; Detecting the material data to obtain resistance data corresponding to the object to be heated; determining electromagnetic conduction attribute data corresponding to the resistance data based on a first preset mapping relation, wherein the first preset mapping relation is used for representing the corresponding relation between the resistance data corresponding to the object to be heated and the electromagnetic conduction attribute data; And determining the initial heating frequency data and the initial magnetic field intensity data corresponding to the electromagnetic conduction attribute data based on a second preset mapping relation, wherein the second preset mapping relation is used for representing the corresponding relation between the electromagnetic conduction attribute data corresponding to the resistance data and the heating frequency data and the magnetic field intensity data.
  5. 5. The method of claim 1, wherein the acquiring target temperature field data corresponding to the object to be heated comprises: Acquiring multi-mode temperature data corresponding to the object to be heated, wherein the multi-mode temperature data comprises infrared temperature data, thermocouple temperature data and temperature image data; Carrying out fusion processing on the multi-mode temperature data to obtain fusion temperature data; And constructing a temperature field based on the fusion temperature data to obtain target temperature field data corresponding to the object to be heated.
  6. 6. The method of claim 5, wherein the fusing the multi-modal temperature data to obtain fused temperature data comprises: Based on a preset filtering algorithm, the infrared temperature data, the thermocouple temperature data and the temperature image data are constructed to be state vectors, and fusion processing is carried out on the multi-mode temperature data to obtain the fusion temperature data.
  7. 7. The method of claim 1, wherein the controlling the magnetic field generation unit to generate a magnetic field based on the first target heating frequency data and the first target magnetic field strength data comprises: determining second voltage data and second current data corresponding to the magnetic field generating unit based on the first target heating frequency data and the first target magnetic field strength data; and controlling the magnetic field generating unit to generate a magnetic field based on the second voltage data and the second current data.
  8. 8. The method according to any one of claims 1 to 7, wherein before said controlling the magnetic field generating unit to generate a magnetic field based on the first target heating frequency data and the first target magnetic field strength data, the method further comprises: acquiring historical power data corresponding to the object to be heated; Based on the historical power data, the first target heating frequency data and the first target magnetic field intensity data are adjusted to obtain second target heating frequency data and third target magnetic field intensity data; Accordingly, the controlling the magnetic field generating unit to generate a magnetic field based on the first target heating frequency data and the first target magnetic field strength data includes: The magnetic field generating unit is controlled to generate a magnetic field based on the second target heating frequency data and the third target magnetic field strength data.
  9. 9. An electromagnetic heating system characterized in that heating is performed by the electromagnetic heating method according to any one of claims 1 to 8.
  10. 10. A smart appliance comprising the electromagnetic heating system of claim 9.

Description

Electromagnetic heating method and system and intelligent electric appliance Technical Field The invention relates to the technical field of intelligent electrical appliances, in particular to an electromagnetic heating method and system and an intelligent electrical appliance. Background Along with improvement of life quality of people, popularization and popularization of technologies such as artificial intelligence and the like, more traditional life modes are gradually changed, household appliances are gradually drawn together in an intelligent direction, and functions of various household appliances tend to be diversified while more convenience is brought to users, wherein application of intelligent air conditioners is more and more. In the prior art, the traditional electromagnetic heating device adopts fixed frequency or single magnetic field distribution, so that the temperature distribution of the surface of the heated object is uneven (such as local overheating or underheating), and the traditional electromagnetic heating device is difficult to adapt to the change of the material, shape or environmental temperature of the heated object, so that energy consumption is wasted. Disclosure of Invention Aiming at the problems in the prior art, the invention discloses an electromagnetic heating method, an electromagnetic heating system and an intelligent electrical appliance, which can improve the uniformity of electromagnetic heating and the energy efficiency of electromagnetic heating. The technical scheme disclosed by the invention is as follows: According to an aspect of the disclosed embodiments of the present invention, there is provided an electromagnetic heating method including: acquiring target temperature field data, initial heating frequency data and initial magnetic field intensity data corresponding to an object to be heated, wherein the target temperature field data comprises temperature data of each position in a temperature field corresponding to the object to be heated; determining first target heating frequency data based on first voltage data and first current data corresponding to the magnetic field generating unit under the initial heating frequency data; determining the position of the temperature data meeting the first preset condition in the temperature field as a target position; Optimizing the initial magnetic field intensity data based on distance data and angle data between the magnetic field generating unit and the target position and area data of the magnetic field generating unit to obtain first target magnetic field intensity data; And controlling the magnetic field generating unit to generate a magnetic field based on the first target heating frequency data and the first target magnetic field intensity data so as to heat the object to be heated. Optionally, under the initial heating frequency data, determining the first target heating frequency data based on the first voltage data and the first current data corresponding to the magnetic field generating unit includes: adjusting the initial heating frequency data based on preset frequency adjustment data to obtain a plurality of updated heating frequency data; Determining each heating power data based on first voltage data and first current data corresponding to the magnetic field generating unit under each updated heating frequency data; And determining updated heating frequency data corresponding to the heating power data meeting the second preset condition in the plurality of heating power data as the first target heating frequency data. Optionally, the method further comprises: acquiring an initial proportional coefficient and an initial integral coefficient; Under the condition that the difference temperature data meets a third preset condition, the initial proportional coefficient and the initial integral coefficient are adjusted to obtain a target proportional coefficient and a target integral coefficient, wherein the difference temperature data is the difference data between the target temperature field data and preset temperature field data; Determining compensation magnetic field strength data based on the target scaling factor, the target integration factor, and the differential temperature data; Based on the compensation magnetic field intensity data, compensating the first target magnetic field intensity data to obtain second target magnetic field intensity data; Accordingly, the controlling the magnetic field generating unit to generate a magnetic field based on the first target heating frequency data and the first target magnetic field strength data includes: The magnetic field generating unit is controlled to generate a magnetic field based on the first target heating frequency data and the second target magnetic field strength data. Optionally, the acquiring the target temperature field data, the initial heating frequency data and the initial magnetic field strength data corresponding to the object to be