Surrounding type heating device
By using a surround heating device with bottom and side heating, the problem of uneven heating inside the cookware is solved, achieving uniform heating and improving the taste of food.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-02
- Publication Date
- 2026-03-10
AI Technical Summary
Traditional heating methods result in uneven heating of the contents of the cookware, leading to poor cooking results.
The device employs a surround heating system with bottom and side heating, which transfers heat through the heated middle layer to achieve uniform overall heating.
It achieves uniform heating of food inside the cooker, improving cooking results and food taste.
Smart Images

Figure CN223987184U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of electric heating elements for kitchen cooking equipment, and in particular to a surround heating device. Background Technology
[0002] Traditional heating methods involve a heating plate at the bottom of the cookware, but the lack of a heating source along the sides results in uneven heating of the food inside, leading to poor cooking results. This invention employs bottom and side heating, first heating the middle layer and then transferring heat from the middle layer to the cookware, resulting in even heating and better food texture. Utility Model Content
[0003] The main objective of this invention is to provide a surround heating device to effectively solve the problems mentioned in the background art.
[0004] To achieve the above objectives, the present invention adopts the following technical solution: a surround heating device, comprising a heating middle layer, a bottom heating assembly, and a heating ring assembly; the heating middle layer is pot-shaped, with two middle layer pressure grooves in the middle of the height of the heating middle layer, each middle layer pressure groove being a circular ring protruding from the inside out; a heating ring assembly is disposed between the two middle layer pressure grooves; the heating ring assembly includes a fixed heat-conducting ring tightly attached to the heating middle layer, with outward flanges on both sides of the fixed heat-conducting ring, and further outwards, an insulating mica sheet B, a mica sheet heating core A, an insulating mica sheet A, and an annular pressure plate; the annular pressure plate is tightened at both ends by tension springs, pressing the insulating mica sheet A, the mica sheet heating core A, and the insulating mica sheet B tightly within the fixed heat-conducting ring; two heating ring assembly terminals are connected to the mica sheet heating core A, and the heating ring assembly terminals extend through the insulating mica sheet A and the annular pressure plate to the outside; the heating ring assembly terminals are fitted with a ceramic insulating sleeve B;
[0005] The bottom heating assembly is located at the bottom of the heated middle layer of the pot. From the bottom of the pot, an insulating mica sheet C, a mica sheet heating core B, an insulating mica sheet D, and a cover plate are arranged in sequence. The mica sheet heating core B is connected to two bottom heating assembly terminals. The bottom heating assembly terminals pass through the bottom heating assembly terminals and the cover plate and extend to the outside of the pot bottom. A ceramic insulating sleeve A is fitted over the bottom heating assembly terminals. A bottom temperature probe hole is provided in the center of the cover plate. The cover plate is riveted and fixed to the heated middle layer by a riveting fastening groove. A cover plate reinforcing rib is provided on the bottom surface of the cover plate.
[0006] The control system is located in the temperature sensing hole at the bottom center of the cover plate, and is a magnetic steel temperature limiter or other type of temperature sensing and control element.
[0007] Preferably, the bottom heating assembly and the heating ring assembly can be used separately.
[0008] Preferably, the heated middle pot body contains a cooking utensil, which receives heat through the heated middle pot body.
[0009] Preferably, the heating ring assembly can be in multiple sets, and the number of heating ring assemblies can be increased or decreased according to the size or height requirements of the matching cookware.
[0010] Preferably, a temperature probe is installed inside the bottom temperature sensing hole, and the temperature probe is connected to the control system.
[0011] The beneficial effects of this utility model are: by heating the bottom layer and the side layer, the middle layer is heated first, and then the middle layer transfers heat to the stove, resulting in uniform heating and good food taste. Attached Figure Description
[0012] Appendix Figure 1 This is an exploded view of the structure of this utility model.
[0013] Appendix Figure 2 This is a schematic diagram of the overall structure of this utility model.
[0014] Appendix Figure 3 For the appendix Figure 2 Enlarged view of a specific area.
[0015] Appendix Figure 4 This is a schematic diagram of the bottom structure of this utility model.
[0016] Appendix Figure 5 This is a schematic diagram of the middle layer heating structure of this utility model.
[0017] Appendix Figure 6 This is a schematic diagram of the heating ring structure of this utility model.
[0018] Appendix Figure 7 This is a schematic diagram of the bottom heating component of this utility model.
[0019] Appendix Figure 1 —In section 7, pressure plate 1, insulating mica sheet A2, mica sheet heating core A3, insulating mica sheet B4, fixed heat-conducting ring 5, heated middle layer 6, insulating mica sheet C7, mica sheet heating core B8, insulating mica sheet D9, ceramic insulating sleeve A10, cover plate 11, tension spring 12, ceramic insulating sleeve B13, middle layer pressure groove 14, bottom heating component terminal 15, heating ring component terminal 16, bottom temperature probe hole 17, riveting fastening groove 18, cover plate reinforcing rib 19, heating ring component 20. Detailed Implementation
[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.
[0021] Example 1
[0022] Appendix Figure 1 As shown in Figure 7, a surround heating device includes a heating middle layer 6, a bottom heating assembly, and a heating ring assembly. The heating middle layer 6 is pot-shaped, with two middle layer grooves 14 arranged in the middle of its height. Each middle layer groove 14 is a circular ring protruding from the inside out. A heating ring assembly 20 is arranged between the two middle layer grooves 14. The heating ring assembly 20 includes a fixed heat-conducting ring 5 tightly attached to the heating middle layer 6. The fixed heat-conducting ring 5 has outward flanges on both sides, and further outward are... Insulating mica sheet B4, mica heating core A3, insulating mica sheet A2, and annular pressure plate 1 are provided. The two ends of the annular pressure plate 1 are tightened by tension springs 12, pressing the insulating mica sheet A2, the mica heating core A3, and the insulating mica sheet B4 into the fixed heat-conducting ring 5. Two heating ring assembly terminals 16 are connected to the mica heating core A3. The heating ring assembly terminals 16 pass through the insulating mica sheet A2 and the annular pressure plate 1 and extend to the outside. The heating ring assembly terminals 16 are fitted with ceramic insulating sleeves B13.
[0023] The bottom heating assembly is located at the bottom of the heated middle layer 6 pot body. From the bottom of the pot body downwards, there are insulating mica sheets C7, mica heating cores B8, insulating mica sheets D9, and cover plate 11. The mica heating cores B8 are connected to two bottom heating assembly terminals 15. The bottom heating assembly terminals 15 pass through the bottom heating assembly terminals 15 and the cover plate 11 and extend to the bottom of the pot. The bottom heating assembly terminals 15 are fitted with ceramic insulating sleeves A10. The cover plate 11 has a bottom temperature probe hole 17 in the center. The cover plate 11 is riveted and fixed to the heated middle layer 6 by riveting and fastening grooves 18. The bottom surface of the cover plate 11 is provided with cover plate reinforcing ribs 19.
[0024] The control system is located in the temperature sensing hole 17 at the bottom center of the cover plate 11, and is a magnetic steel temperature limiter or other type of temperature sensing and control element.
[0025] Preferably, the bottom heating assembly and the heating ring assembly can be used separately.
[0026] Preferably, the inner pot of the heating middle layer 6 is a cooking vessel, which receives heat through the inner pot of the heating middle layer 6.
[0027] Preferably, the heating ring assembly can be in multiple sets, and the number of heating ring assemblies can be increased or decreased according to the size or height requirements of the matching cookware.
[0028] Preferably, a temperature probe is installed inside the bottom temperature sensing hole 17, and the temperature probe is connected to the control system.
[0029] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
Claims
1. A wrap-around heating device, characterized by: It includes the heated middle layer, the bottom heating assembly, the heating ring assembly, the control system; the heated middle layer is the shape of the pot body, two middle layer pressing grooves are arranged in the middle of the height of the heated middle layer, the middle layer pressing groove is a circular ring which is convex from inside to outside, the heating ring assembly is arranged between the two middle layer pressing grooves, the heating ring assembly includes the fixed heat conduction ring which is close to the heated middle layer, the fixed heat conduction ring is provided with the outward flanging on both sides, and the outward flanging is sequentially provided with the insulating mica sheet B, the mica sheet heating core A, the insulating mica sheet A and the annular pressing plate, the annular pressing plate is pulled by the tension spring at both ends, the insulating mica sheet A, the mica sheet heating core A and the insulating mica sheet B are pressed in the fixed heat conduction ring, the mica sheet heating core A is connected with two heating ring assembly connecting posts, the heating ring assembly connecting post extends to the outside through the insulating mica sheet A and the annular pressing plate, and the heating ring assembly connecting post is sleeved with the ceramic insulating sheath B; The bottom heating assembly is arranged at the bottom of the heated middle layer pot body, and the insulating mica sheet C, the mica sheet heating core B, the insulating mica sheet D and the cover plate are sequentially arranged from the pot body downwards, the mica sheet heating core B is connected with two bottom heating assembly connecting posts, the bottom heating assembly connecting post extends to the outside of the pot bottom through the bottom heating assembly connecting post and the cover plate, the outside of the bottom heating assembly connecting post is sleeved with the ceramic insulating sheath A, the center of the cover plate is provided with a bottom temperature sensing hole, the cover plate is fixed by riveting and pressing the clamping groove with the heated middle layer, and the bottom surface of the cover plate is provided with a cover plate reinforcing rib. The control system is arranged in the bottom temperature sensing hole in the center of the cover plate and is a magnetic steel temperature limiter or other forms of temperature sensing and temperature control elements.
2. A wrap-around heating device according to claim 1, characterised in that: The bottom heating assembly and the heating ring assembly can be used alone.
3. A wrap-around heating device according to claim 1, wherein: The heated middle layer pot body is a cooker, and the cooker receives heat through the heated middle layer pot body.
4. A wrap-around heating device according to claim 1, wherein: The heating ring assembly can be multiple groups, and the number of the heating ring assemblies can be increased or reduced according to the size or height of the matched cooker.
5. A wrap-around heating device according to claim 1, wherein: A temperature probe is arranged in the bottom temperature sensing hole, and the temperature probe is connected with the control system.