CN-224205272-U - Electromagnetic heating device and electromagnetic cooking utensil

CN224205272UCN 224205272 UCN224205272 UCN 224205272UCN-224205272-U

Abstract

The utility model provides an electromagnetic heating device and an electromagnetic cooking utensil, the electromagnetic heating device is used for electromagnetic heating of a cooking container of the electromagnetic cooking appliance. The electromagnetic heating device includes a coil disk assembly, a support member, and a magnetic field adjusting member. The support member is located at a side of the coil panel assembly facing away from the cooking container and includes at least one abutment portion extending in a predetermined direction. The magnetic field adjusting member is configured as a focusing body, is fixed to a side of the supporting member facing the coil panel assembly, and includes a plurality of first partial functional bodies arranged at intervals along a preset direction. The preset direction is the circumference or the radial direction of the coil panel assembly, and a plurality of first local functional bodies are all fixed on the same abutting part. According to the electromagnetic heating device, a plurality of first local functional bodies can be fixed by the single abutting part, so that the magnetic field adjusting member is more convenient to install and fix relative to the coil panel assembly.

Inventors

CHEN RONGWU
ZHANG LEI
LV HUA

Assignees

浙江苏泊尔家电制造有限公司

Dates

Publication Date: 20260505
Application Date: 20241216

Claims (14)

1. An electromagnetic heating apparatus for electromagnetic heating of a cooking container of an electromagnetic cooking appliance, characterized in that the electromagnetic heating apparatus comprises: a coil disc assembly; A support member located at a side of the coil disc assembly facing away from the cooking container and including at least one abutment portion extending in a preset direction; a magnetic field adjusting member for locally changing a magnetic field distribution generated by energization of the coil disk assembly, the magnetic field adjusting member being configured as a focusing body, the magnetic field adjusting member being fixed to a side of the supporting member facing the coil disk assembly and including a plurality of first local functional bodies arranged at intervals in the preset direction; The preset direction is the circumferential direction or the radial direction of the coil panel assembly, and the plurality of first local functional bodies are all fixed on the same abutting part.
2. The electromagnetic heating device of claim 1, wherein a positioning hole is formed in the middle of the supporting member, the coil panel assembly comprises a coil panel, and a hollow positioning column is formed in the middle of the coil panel and penetrates through the positioning hole to position the supporting member.
3. The electromagnetic heating device according to claim 2, wherein the support member is provided with a positioning cylinder extending axially from an edge of the positioning hole, the positioning cylinder is sleeved on the positioning column and fixedly connected with the positioning column through a limiting structure so as to limit the support member to leave the coil panel and rotate relative to the coil panel.
4. The electromagnetic heating device of claim 3, wherein the spacing structure comprises a first spacing plane and a second spacing plane, the first spacing plane being formed on an outer peripheral surface of the positioning post, the second spacing plane being formed on an inner peripheral surface of the positioning barrel.
5. The electromagnetic heating device according to claim 3, wherein the limit structure includes a limit projection and a limit groove extending in the circumferential direction, the limit projection is provided on one of an outer peripheral surface of the positioning column and an inner peripheral surface of the positioning cylinder, the limit groove is provided on the other of the outer peripheral surface of the positioning column and the inner peripheral surface of the positioning cylinder, and the limit projection is caught in the limit groove.
6. The electromagnetic heating device of claim 2, wherein the magnetic field adjusting member further comprises a second partial function body located in the middle and having a central hole, the plurality of first partial functions being connected to the second partial function body, the positioning posts passing through the central hole.
7. The electromagnetic heating device of claim 1, further comprising a hold-down member coupled to the support member, the magnetic field adjustment member being held down between the hold-down member and the support member.
8. The electromagnetic heating device of claim 7, wherein the electromagnetic heating device comprises a heater, The pressing member is abutted against the magnetic field adjusting member at least at a portion corresponding to the abutting portion, and/or The pressing member and the supporting member are both configured to have the same structure at a portion corresponding to the magnetic field adjusting member, and/or The compressing member, the magnetic field adjusting member and the supporting member are connected through fasteners.
9. An electromagnetic heating apparatus according to claim 1, wherein, The preset direction is the circumferential direction of the coil panel assembly, the abutting part is configured into a ring shape extending along the circumferential direction, or The preset direction is the radial direction of the coil panel assembly, the abutting parts are configured to be strip-shaped extending along the radial direction, and the strip-shaped abutting parts are arranged at intervals along the circumferential direction.
10. The electromagnetic heating device according to claim 1, wherein the support member further includes a plurality of stopper portions connected to a side surface of the abutting portion near the magnetic field adjusting member, the plurality of stopper portions being arranged at intervals in the preset direction, each of the first partial functional bodies being sandwiched between adjacent stopper portions.
11. An electromagnetic heating apparatus according to claim 1, wherein, The magnetic field adjusting member further comprises a second partial functional body positioned in the middle part, the plurality of first partial functional bodies are connected with the second partial functional body, at least two of the plurality of first partial functional bodies are connected with the supporting member through fasteners, or The first partial function is a separate member, and each of the plurality of first partial functions is connected to the support member by at least two fasteners that are spaced apart.
12. Electromagnetic heating device according to any one of claims 1 to 11, characterized in that the spacing s between two adjacent first partial functional bodies is in the range of 5 mm≤s≤85 mm, and/or The width of each first partial function body in the circumferential direction gradually increases from the radial outward direction and/or the height direction of the electromagnetic heating device.
13. The electromagnetic heating device according to any one of claims 1 to 11, wherein the coil disk assembly includes a coil, the magnetic field adjustment member has a total coverage area corresponding to the coil, and a ratio of the total coverage area to a wound area of the coil ranges from 40% to 80%.
14. An electromagnetic cooking appliance, characterized in that it comprises a cooking container and an electromagnetic heating device according to any one of claims 1 to 13 for heating the cooking container, the cooking container comprising a magnetically permeable layer.

Description

Electromagnetic heating device and electromagnetic cooking utensil Technical Field The present utility model relates generally to the technical field of kitchen household appliances, and more particularly, to an electromagnetic heating device and an electromagnetic cooking appliance. Background At present, electromagnetic heating cooking appliances such as IH electric rice cooker, IH electric pressure cooker and the like generate magnetic fields through coils which are afraid of being wound, so that induction eddy current is generated in the cooker liner to heat food in the cooker liner. The outside of current cooking utensil through at the pot courage sets up magnetic assembly, carries out electromagnetic heating's in-process at the coil to the pot courage, the inside difference in temperature that produces of pot courage to make the liquid in the pot courage and eat the material formation heat convection, liquid and eat the material be heated more evenly, ensure edible material culinary art effect's homogeneity and uniformity. Under the condition that the magnetic component is constructed to be of an integral structure with the pot liner, the processing difficulty of the pot liner is improved, the production is not facilitated to be reduced, and under the condition that the magnetic component is constructed to be independent of the pot liner, the magnetic component is inconvenient to install and easy to change relative to the position of the coil, and the cooking effect of food materials is affected. Accordingly, there is a need to provide an electromagnetic heating device and an electromagnetic cooking appliance to at least partially solve the above-mentioned problems. Disclosure of utility model In the summary, a series of concepts in a simplified form are introduced, which will be further described in detail in the detailed description. The summary of the utility model is not intended to define the key features and essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter. To at least partially solve the above-described problems, a first aspect of the present utility model provides an electromagnetic heating device for electromagnetic heating of a cooking container of an electromagnetic cooking appliance, the electromagnetic heating device comprising: a coil disc assembly; A support member located at a side of the coil disc assembly facing away from the cooking container and including at least one abutment portion extending in a preset direction; a magnetic field adjusting member for locally changing a magnetic field distribution generated by energization of the coil disk assembly, the magnetic field adjusting member being configured as a focusing body, the magnetic field adjusting member being fixed to a side of the supporting member facing the coil disk assembly and including a plurality of first local functional bodies arranged at intervals in the preset direction; The preset direction is the circumferential direction or the radial direction of the coil panel assembly, and the plurality of first local functional bodies are all fixed on the same abutting part. According to the scheme, the magnetic field adjusting component can form local interference on the magnetic field on the side, facing away from the electromagnetic cooking utensil, of the coil disc component, magnetic field lines radiating towards the cooking container are unevenly distributed, when the cooking container is electromagnetically heated, heat distribution generated by the cooking container is changed, local uneven heating is formed, areas with different temperatures are formed, local temperature difference is generated, heat convection of liquid and food in the cooking container is promoted to be fast and severe, boiling and rolling of the liquid and the food in the cooking container are enabled to be more complete, the food is heated more evenly, and the cooked food has better taste. The position of the magnetic field adjusting member can be limited by the supporting member and the coil panel assembly, so that the magnetic field adjusting member is prevented from falling off or changing in position after long-term use. The single abutting portion can fix a plurality of first local functional bodies, so that the installation and fixation of the magnetic field adjusting member relative to the coil panel assembly are more convenient. Optionally, a positioning hole is formed in the middle of the supporting member, the coil panel assembly comprises a coil panel, a hollow positioning column is arranged in the middle of the coil panel, and the positioning column penetrates through the positioning hole to position the supporting member. According to this aspect, the coil disk assembly corresponds to the position of the support member, and the accuracy of the mounting position of the magnetic field adjusting member with respect to the coil disk is ensur