Novel heating disc
By using multiple sets of heating chips and control circuits in the rice cooker heating plate, the selectivity and combination of heating power and area are achieved, and the problems of uneven heating of traditional rice cookers and excessive local temperature are solved, which improves safety and service life.
Patent Information
- Application Number
- CN202421505753.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-28
- Publication Date
- 2025-06-20
- Estimated Expiration
- 2034-06-28
AI Technical Summary
The heat source of the heating plate of traditional rice cookers is mainly electric heating tubes, which have problems such as short service life, small heating area, unevenness, and local temperatures are prone to excessive high, resulting in cracks, deformation, burning, and explosive pipes on the plate.
Two or more heating chips are used to combine external control circuits to realize the selectivity and combination of the heating power and area of the heating disk, and the temperature of each heating area is independently adjusted through the control system.
Independent control and adjustment are achieved in the same heating plate. Each independently heated area can meet the needs of different cooking utensils and improve safety and service life.
Smart Images
Figure CN223007662U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electric heating elements of kitchen cooking equipment, and particularly relates to a novel heating plate. Background Technique
[0002] The heating plates of traditional rice cookers are all made of aluminum. The heat source of the heating plate is mainly the electric heating tube. Its disadvantages are short service life, small, concentrated and uneven heating area, and easy overheating of local temperature, which will lead to serious risks such as cracks, deformation, burning of the plate, and explosion of the tube.
[0003] For further improved products, mica sheets are used to wind heating wires for heating. Its disadvantage is that after power-on, the heating area or heating power cannot be controlled, and the regional temperature cannot be adjusted.
[0004] The utility model provides a combined heating plate. Through two or more groups of heating chips of the heating plate and in combination with an external control circuit, the selectability and combinability of the heating power (area) of the heating plate can be flexibly realized.
[0005] When applied to electrical appliances, independent control and adjustment of each independent heating area of the heating plate can be realized in the same heating plate, which can meet the needs of different cooking utensils. Summary of the Utility Model
[0006] The main purpose of the utility model is to provide a novel heating plate so as to effectively solve the problems put forward in the background technique.
[0007] To achieve the above purpose, the utility model adopts the following technical scheme: a novel heating plate, which includes an upper cover plate, an insulating mica sheet B, a mica sheet heating core, an insulating mica sheet A, and a pressing plate arranged in sequence from top to bottom; a downward groove is arranged on the pressing plate, the upper cover plate is adapted to the pressing plate, and the upper cover plate and the pressing plate are riveted together by a press. The insulating mica sheet B, the mica sheet heating core, and the insulating mica sheet A are located between the upper cover plate and the pressing plate. Several supporting studs are arranged on the bottom surface of the pressing plate. All the above parts are disc-shaped.
[0008] Preferably, the mica sheet heating core is a disc assembled by a plurality of annular heating cores with different diameters. Each heating core is composed of a ring-shaped mica sheet and a heating wire. A plurality of radial notches are arranged on the outer ring and the inner ring of the ring-shaped mica sheet. The heating wire is wound on the notches to form an annular heating area. Both ends of each heating wire are connected to a wiring post. The wiring post passes through the insulating mica sheet A and the pressing plate, and a ceramic insulating sheath is sleeved outside the wiring post.
[0009] The beneficial effect of the utility model: Independent control and adjustment of each independent heating area of the heating plate can be realized through a control system in the same heating plate, which can meet the needs of different cooking utensils. Brief Description of the Drawings
[0010] Attached Figure 1 is a sectional view of the structure of the present utility model.
[0011] Attached Figure 2 is an exploded view of the structure of the present utility model.
[0012] Attached Figure 3 is a schematic diagram of the three-dimensional structure of the back side of the present utility model.
[0013] Attached Figure 4 is a schematic diagram of the three-dimensional structure of the heating chip of the present utility model.
[0014] Attached Figure 5 is a schematic diagram of the structure of the outer ring heating chip of the present utility model after winding the heating wire.
[0015] Attached Figure 6 is a schematic diagram of the structure of the inner ring heating chip of the present utility model after winding the heating wire.
[0016] Attached Figure 7 is a schematic diagram of the mica sheet structure of the outer ring heating chip of the present utility model.
[0017] Attached Figure 8 is a schematic diagram of the mica sheet structure of the inner ring heating chip of the present utility model.
[0018] Attached Figure 1 —8, the pressure plate 1, the ceramic insulation sheath 2, the support stud 3, the insulating mica sheet A4, the mica sheet heating core A5, the mica sheet heating core B6, the insulating mica sheet B7, the upper cover plate 8, the terminal 9. Detailed Description of the Preferred Embodiment
[0019] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0020] Embodiment 1
[0021] Attached Figure 1 —8 shows a new type of heating plate, which includes an upper cover plate 8, an insulating mica sheet B7, a mica sheet heating core, an insulating mica sheet A4, and a pressure plate 1 arranged in sequence from top to bottom; a downward groove is provided on the pressure plate 1, and the upper cover plate 8 is adapted to the pressure plate 1, and the upper cover plate 8 and the pressure plate 1 are riveted together by a press. The insulating mica sheet B7, the mica sheet heating core, and the insulating mica sheet A4 are located between the upper cover plate 8 and the pressure plate 1. Several support studs 3 are provided on the bottom surface of the pressure plate 1, and the above-mentioned parts are all disc-shaped.
[0022] The mica sheet heating core includes a mica sheet heating core A5 and a mica sheet heating core B6. Each heating core is composed of a ring-shaped mica sheet and a heating wire. A plurality of radial notches are provided on the outer ring and the inner ring of the ring-shaped mica sheet. The heating wire is wound around the notches to form an annular heating area. Both ends of each heating wire are connected to a terminal 9. The terminal 9 passes through the insulating mica sheet A4 and the pressing plate 1, and a ceramic insulating sheath 2 is sleeved outside the terminal.
[0023] The beneficial effects of the present utility model are as follows: In the same heating plate, independent control and adjustment of each independent heating area of the heating plate can be achieved through the control system, which can meet the requirements of different cooking utensils.
[0024] Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. A new type of heating plate, characterized by: It includes an upper cover plate, an insulating mica sheet B, a mica sheet heating core, an insulating mica sheet A, and a pressing plate which are arranged in sequence from top to bottom; the pressing plate is provided with a downward groove, the upper cover plate is adapted to the pressing plate, and the upper cover plate and the pressing plate are riveted together by a press, the insulating mica sheet B, the mica sheet heating core, and the insulating mica sheet A are located between the upper cover plate and the pressing plate, and a number of supporting studs are provided on the bottom surface of the pressing plate, and the above parts are all disc-shaped.
2. A novel heating plate according to claim 1, characterized in that: The mica sheet heating core is a disc assembled from multiple annular heating cores of different diameters. Each heating core is composed of an annular mica sheet and a heating wire. Multiple radial notches are provided on the outer ring and inner ring of the annular mica sheet. The heating wire is wound around the notches to form an annular heating area. Each heating wire is connected to a terminal at both ends. The terminal passes through the insulating mica sheet A and the pressing plate, and a ceramic insulating sheath is mounted on the outside of the terminal.