Heating disc with heat preservation function

Abstract

The utility model discloses a heating disc with a heat preservation function, which comprises a heating disc main body, the heating disc main body sequentially comprises a surface cover, a first interlayer, a heating assembly, a second interlayer and a bottom disc assembly from top to bottom, the first interlayer comprises at least two first clamping plates, and the first clamping plates are provided with first notches; the heating assembly comprises a first substrate and a first heating wire, a plurality of wire winding grooves are formed in the first substrate, and the first heating wire is wound on the wire winding grooves; the second interlayer comprises at least two second clamping plates, each second clamping plate is provided with a second notch, and a heat preservation assembly is arranged between the two second clamping plates. According to the electric cooker, the heat preservation assembly is arranged in the interlayers in the heating disc body, the heating disc can have the heat preservation function, the interlayers are provided with the notches, the interlayers are prevented from being pressed and cracked, the assembling process is simple, no extra heat preservation piece component needs to be additionally arranged in the electric cooker, and the production cost is saved.

Description

Technical Field

[0001] The utility model relates to the field of heating elements, and particularly to a heating plate with a heat preservation function. Background Art

[0002] As an essential component of cooking appliances, the heating element mainly functions to heat up food.

[0003] At present, in addition to the heating plate as the main heating element, the rice cooker on the market also has a heat preservation sheet as a separate body for heat preservation; the existing heat preservation sheets usually have a metal shell, and there are many internal components in the heat preservation sheet and the assembly is complex, resulting in a high production cost. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a heating plate with a heat preservation function to solve the above problems.

[0005] According to one aspect of the utility model, there is provided a heating plate with a heat preservation function, including: a heating plate main body, the heating plate main body sequentially includes a face cover, a first interlayer, a heating component, a second interlayer and a chassis component from top to bottom, the first interlayer includes at least two first clamping plates, and the first clamping plate has a first notch; the heating component includes a first substrate and a first heating wire, the first substrate is provided with a plurality of wire winding grooves, and the first heating wire is wound on the wire winding grooves; the second interlayer includes at least two second clamping plates, the second clamping plate has a second notch, and a heat preservation component is arranged between the two second clamping plates.

[0006] In some embodiments, the first notch extends from the edge of the first clamping plate to the middle of the first clamping plate; the second notch extends from the edge of the second clamping plate to the middle of the second clamping plate.

[0007] In some embodiments, the adjacent first notches are arranged staggeredly; the adjacent second notches are arranged staggeredly.

[0008] In some embodiments, the first interlayer is closely arranged on the bottom surface of the face cover, and the heating component is closely arranged on the bottom surface of the first interlayer; the second interlayer is closely arranged on the bottom surface of the heating component.

[0009] In some embodiments, the two ends of the first heating wire are provided with connection terminals, and the connection terminals are welded with inserts; the second interlayer is provided with a first groove for the inserts to pass through.

[0010] In some embodiments, the chassis component includes a bottom plate and a first porcelain bead, the bottom plate is provided with a second groove for accommodating the first porcelain bead, and the first porcelain bead is provided with a third groove for the inserts to pass through.

[0011] In some embodiments, the heat insulation component includes a second substrate and a second heating wire. The second heating wire is wound around the second substrate. Conductive wires are respectively arranged on both sides of the second substrate, and both ends of the second heating wire are respectively connected to the conductive wires on both sides.

[0012] In some embodiments, the second clamping plate located under the heat insulation component is provided with wire passing holes for the conductive wires to pass through; the bottom plate is provided with a fourth groove for accommodating second porcelain beads, and a fifth groove for the conductive wires to pass through is formed in the second porcelain beads.

[0013] In some embodiments, the edge of the face cover bends downward and extends to form a fixing groove for accommodating a flanging; the top edge of the chassis assembly bends downward and extends to form the flanging; the first sandwich layer, the heating component, the second sandwich layer and the heat insulation component are clamped between the face cover and the chassis assembly.

[0014] In some embodiments, the first clamping plate, the second clamping plate, the first substrate and the second substrate are all mica plates.

[0015] Compared with the prior art, the beneficial effects of the present application are as follows:

[0016] By arranging a heat insulation component in the sandwich layer inside the main body of the heating plate, the present application enables it to have a heat insulation function. Notches are provided in each sandwich layer to prevent the sandwich layer from cracking under pressure. The assembly process is simple and there is no need to add additional heat insulation sheet components inside the rice cooker, saving production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0018] Figure 2 is an exploded structural schematic diagram of the present utility model;

[0019] Figure 3 is an edge cross-sectional structural schematic diagram of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in 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. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0021] Reference Figures 1 to 3, this application provides a heating plate with a heat preservation function, including: a heating plate main body 1, which successively includes a face cover 2, a first sandwich layer, a heating component 3, a second sandwich layer, and a chassis component 4 from top to bottom. The first sandwich layer includes at least two first clamping plates 5, and the first clamping plate 5 has a first notch 6; the heating component 3 includes a first substrate and a first heating wire. The first substrate is provided with multiple wire winding grooves, and the first heating wire is wound on the wire winding grooves; the second sandwich layer includes at least two second clamping plates 7, the second clamping plate 7 has a second notch 8, and a heat preservation component 9 is arranged between the two second clamping plates 7.

[0022] In some embodiments, the first notch 6 extends from the edge of the first clamping plate 5 to the middle of the first clamping plate 5; the second notch 8 extends from the edge of the second clamping plate 7 to the middle of the second clamping plate 7. The heat preservation component 9 inside the heating plate main body 1 will push up the first sandwich layer, the heating component 3, and the second sandwich layer after assembly. The notches provided on the first clamping plate 5 and the second clamping plate 7 can prevent them from cracking when being pushed up.

[0023] In some embodiments, adjacent first notches 6 are staggered; adjacent second notches 8 are staggered, which can prevent the heating component 3 from directly contacting the face cover 2 or the chassis component 4 through the notches while ensuring that the deformation ability of the first sandwich layer and the second sandwich layer is not affected.

[0024] In some embodiments, the first sandwich layer is closely arranged on the bottom surface of the face cover 2, and the heating component 3 is closely arranged on the bottom surface of the first sandwich layer; the second sandwich layer is closely arranged on the bottom surface of the heating component 3.

[0025] In some embodiments, wiring terminals are arranged at both ends of the first heating wire, and inserts 10 are welded to the wiring terminals; the second sandwich layer is provided with a first groove for the inserts 10 to pass through, and the first heating wire is electrically connected to other electrical components through the inserts 10.

[0026] In some embodiments, the chassis component 4 includes a bottom plate and first ceramic beads 11. The bottom plate is provided with a second groove for accommodating the first ceramic beads 11, and the first ceramic beads 11 are provided with a third groove for the inserts 10 to pass through. The first ceramic beads 11 can insulate the bottom plate from the inserts 10 and also facilitate fixing the position of the inserts 10.

[0027] In some embodiments, the heat preservation component 9 includes a second substrate and a second heating wire. The second heating wire is wound on the second substrate. Conductive wires 12 are respectively arranged on both sides of the second substrate, and both ends of the second heating wire are respectively connected to the conductive wires 12 on both sides. The second heating wire is electrically connected to other electrical components through the conductive wires 12.

[0028] In some embodiments, the second clamping plate 7 located under the heat insulation component 9 is provided with a wire passing hole for the wire 12 to pass through; the bottom plate is provided with a fourth groove for accommodating the second ceramic bead 13, and the second ceramic bead 13 is provided with a fifth groove for the wire 12 to pass through. The second ceramic bead 13 can isolate the bottom plate from the wire 12 and also facilitate fixing the position of the wire 12.

[0029] In some embodiments, the edge of the face cover 2 is bent downward and extended to form a fixing groove 14 for accommodating the flanging, and the top edge of the chassis assembly 4 is bent downward and extended to form a flanging 15; the first sandwich layer, the heating component 3, the second sandwich layer and the heat insulation component 9 are clamped between the face cover 2 and the chassis assembly 4, and the first sandwich layer, the heating component 3, the second sandwich layer and the heat insulation component 9 can be clamped at one time during the assembly process, which is convenient for assembly.

[0030] In some embodiments, the first clamping plate 5, the second clamping plate 7, the first substrate and the second substrate are all mica plates. The mica plate has high temperature resistance and insulation, and has a certain bending property after the notch is opened.

[0031] In this application, the heating component 3 generates heat and transfers the heat to the face cover 2. The face cover 2 contacts the inner pot of the rice cooker to conduct heat and heat the food. After the heating is completed, the heat insulation component 9 is triggered through a preset program to keep the inner pot of the rice cooker warm.

[0032] In this application, by arranging the heat insulation component 9 in the sandwich layer inside the heating plate main body 1, it can have the heat insulation function. Each sandwich layer is provided with a notch to prevent the sandwich layer from cracking under pressure. The assembly process is simple and there is no need to add an additional heat insulation sheet component inside the rice cooker, saving the production cost.

[0033] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described 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 invention shall be included within the protection scope of the present invention.

Claims

1. A heating plate with heat preservation function, characterized in that: include: The heating plate body comprises a cover, a first interlayer, a heating component, a second interlayer and a bottom plate component from top to bottom, the first interlayer comprises at least two first plywoods, the first plywoods have a first notch; the heating component comprises a first substrate and a first heating wire, the first substrate is provided with a plurality of wire winding grooves, the first heating wire is wound on the wire winding grooves; the second interlayer comprises at least two second plywoods, the second plywoods have a second notch, and a thermal insulation component is arranged between the two second plywoods.

2. The heating plate with heat preservation function according to claim 1, characterized in that: The first notch extends from the edge of the first splint to the middle of the first splint; the second notch extends from the edge of the second splint to the middle of the second splint.

3. The heating plate with heat preservation function according to claim 2, characterized in that: Adjacent first notches are arranged in a staggered manner; adjacent second notches are arranged in a staggered manner.

4. The heating plate with heat preservation function according to claim 1, characterized in that: The first interlayer is closely arranged on the bottom surface of the cover, the heating component is closely arranged on the bottom surface of the first interlayer; the second interlayer is closely arranged on the bottom surface of the heating component.

5. The heating plate with heat preservation function according to claim 1, characterized in that: The two ends of the first heating wire are provided with wiring terminals, and the wiring terminals are welded with plug-ins; the second interlayer is provided with a first slot body for the plug-ins to pass through.

6. The heating plate with heat preservation function according to claim 5, characterized in that: The chassis assembly includes a bottom plate and a first porcelain bead. The bottom plate is provided with a second slot for accommodating the first porcelain bead. The first porcelain bead is provided with a third slot for the insert to pass through.

7. The heating plate with heat preservation function according to claim 6, characterized in that: The heat preservation component includes a second substrate and a second heating wire, the second heating wire is wound on the second substrate, wires are respectively arranged on both sides of the second substrate, and both ends of the second heating wire are respectively connected to the wires on both sides.

8. The heating plate with heat preservation function according to claim 7, characterized in that: The second clamping plate located under the heat preservation component is provided with a wire hole for the wire to pass through; the bottom plate is provided with a fourth slot for accommodating the second porcelain bead, and the second porcelain bead is provided with a fifth slot for the wire to pass through.

9. The heating plate with heat preservation function according to claim 1, characterized in that: The edge of the surface cover is bent downward to extend to form a fixing groove for accommodating the flange, and the top edge of the chassis assembly is bent downward to extend to form the flange; the first interlayer, the heating assembly, the second interlayer and the heat preservation assembly are sandwiched between the surface cover and the chassis assembly.

10. The heating plate with heat preservation function according to claim 7, characterized in that: The first clamping plate, the second clamping plate, the first substrate and the second substrate are all mica plates.

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