Graphene ceramic electric rice cooker

By covering the outside of the ceramic pot with a fire-baked graphene layer and a thermally conductive silicon layer, and equipping it with a removable heat insulation cover, the problems of low heat density and safety hazards of electric ceramic pots are solved, achieving efficient heating and safe use.

CN224038928UActive Publication Date: 2026-03-27FUJIAN DEHUA DECHI HOUSEHOLD APPLIANCE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-01
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing electric ceramic cookers have low heat density, low heating efficiency, and safety hazards, and may produce harmful metal elements, affecting the taste and health of food.

Method used

The ceramic pot body is covered with a fire-roasted graphene layer and a thermally conductive silicon layer. The heating element is located on the outside of the ceramic pot body and is equipped with a removable heat insulation cover to improve heat density and heating efficiency, ensuring food safety and health.

Benefits of technology

It improves the heat density and heating efficiency of ceramic electric cookers, ensuring delicious food, avoiding the formation of harmful metal elements, and enhancing safety and ease of cleaning.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of ceramic electric pots, in particular to a graphene ceramic electric pot, which is characterized by comprising a ceramic pot body, a heating device, a fire-baked graphene layer and a heat-conducting silicon layer, the fire-baked graphene layer covers the outer bottom wall and the outer side wall of the ceramic pot body, the heat-conducting silicon layer covers the outer side of the graphene layer, and the heat-conducting silicon layer covers the outer side of the ceramic pot body. The heating device is located under the ceramic pot body and abuts against the heat conduction silicon layer. According to the graphene ceramic electric cooker, the heat density and the heating efficiency of the ceramic electric cooker are improved by roasting the graphene layer and the heat conduction silicon layer, food is only in contact with the ceramic cooker body by arranging the heating device, generation of harmful metal elements and generation of chemical reaction with the food are avoided, and the heating efficiency is improved. According to the ceramic electric cooker, the delicious degree of food taste can be improved, the body health of people cannot be affected, and by roasting the coverage range of the graphene layer and the heat conduction silicon layer, the heat conduction speed of the ceramic electric cooker is increased, and the heating uniformity of the ceramic electric cooker is also improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to ceramic electric cooker technical field, specifically relates to a kind of graphene ceramic electric cooker. BACKGROUND

[0002] Ceramic pot is one of Chinese traditional cookware, often be used to cook soup, stew meat, taste more delicious, therefore deeply loved by many people, ceramic pot has excellent sealing performance, internal circulation effect is excellent, thus in using ceramic pot stew food, and if meat food is cooked, taste will be more excellent.Ceramic pot as a kind of popular utensil, with high hardness, good toughness, not rust, excellent heat conduction, oxidation resistance and no abrasion and many advantages, therefore there are many electric ceramic pots on the market at present.

[0003] The electric ceramic pot on the market at present, one is by ceramic inner bag outside pasting magnetic film, to heat the pot of ceramic inner bag by electromagnetism;Two is the way of traditional electric cooker, dig a hole in the bottom of ceramic pot, then the heating device containing metal material is installed in bottom.Electric ceramic pot using magnetic film, with the shortcomings of low heat density, low heating efficiency;And electric ceramic pot using metal heating device, since metal heating body in the process of cooking can produce harmful metal elements, or chemical reaction with food, not only affect the taste and color of food, even possibly produce harmful substances, long-term use is harmful to health.And ceramic electric cooker in the process of use, since temperature is too high, user often is scalded because of accidentally touching pot body, there is certain hidden danger in safety. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problems to provide a kind of graphene ceramic electric cooker, to solve the problem in background art.

[0005] To solve the above technical problems, the utility model adopts the technical scheme as follows: the utility model provides a kind of graphene ceramic electric pot, comprising: ceramic pot body, heating device, fire roasting graphene layer and heat-conducting silicon layer, the fire roasting graphene layer covers on the outside bottom wall and side wall of ceramic pot body, the heat-conducting silicon layer covers on the outside of graphene layer, the heating device is located the bottom just below of ceramic pot body, and with heat-conducting silicon layer abuts;The above-mentioned a kind of graphene ceramic electric pot, through fire roasting graphene layer and heat-conducting silicon layer, improve the heat density and heating efficiency of ceramic electric pot, and by heating device is located the outside of ceramic pot body, so that food can contact is the ceramic pot body made of full ceramic material, thus avoid the generation of harmful metal elements and the occurrence of chemical reaction, not only can improve the deliciousness of food taste, also will not therefore affect people's health, through fire roasting graphene layer and heat-conducting silicon layer cover on the outside bottom wall and side wall of ceramic pot body, not only improve the ceramic electric pot heat conduction speed, also improve the uniformity of ceramic electric pot heating, so it can further improve the efficiency of ceramic electric pot and the deliciousness of food taste, this ceramic electric pot can be used for boiling water, decocting medicine, hot pot and different scenes, improve applicability and practicality.

[0006] Further, it further includes heat shield, the heat shield is detachably covered in the outside of ceramic pot body;Through heat shield, it can avoid that ceramic electric pot is scalded in the process of use because of the temperature of ceramic pot body is too high, guarantees the use safety of ceramic electric pot, by the detachable installation mode of ceramic pot body, improve the convenience of ceramic electric pot cleaning.

[0007] Further, the inner wall of the heat shield and the heat-conducting silicon layer is provided with a heat dissipation cavity, the width of the heat dissipation cavity is 3-5mm, and the heat shield is provided with a plurality of small heat dissipation holes.

[0008] Further, the heating device includes a coupler, a heating disc, a heating element, a temperature sensor, and an insulating base. The heating disc and the heating element are electrically connected to the coupler, and the heating element is embedded in the heating disc. The coupler, the heating disc, and the temperature sensor are installed on the insulating base. The coupler can ensure efficient and stable transmission of electric energy to the heating disc, reducing energy loss and improving heating efficiency. The temperature sensor can accurately adjust and control the temperature of the heating disc, meeting the needs of different application scenarios, and the maintenance cost is low.

[0009] Further, the upper end surface area of the heating disc is consistent with the bottom lower end surface area of the ceramic pot body, and they completely coincide.

[0010] Further, the detachable device is further included, the heat shield is connected with the insulating base through the detachable device, the detachable device includes a limiting ring, a blocking ring and a limiting block, the limiting ring and the blocking ring are arranged on the upper end edge of the insulating base, the limiting ring is located on the outside of the ceramic pot body, the blocking ring is located on the outside of the limiting ring, and a cavity is arranged between the blocking ring and the limiting ring; through the arrangement of the limiting ring, the sliding of the ceramic pot body can be avoided, and the detachable connection mode of the heat shield is realized through the detachable device.

[0011] Further, the blocking ring is provided with a plurality of avoiding grooves and limiting grooves, the avoiding grooves are arranged on the upper end surface of the blocking ring and extend along the height direction of the blocking ring, and the limiting grooves are arranged on the bottom side of the avoiding grooves and communicate with the avoiding grooves; through the arrangement of the avoiding grooves and the limiting grooves, the limiting block can be used in cooperation.

[0012] Further, the lower end of the heat shield is located in the cavity, the limiting block is arranged on the lower end of the outer wall of the heat shield and located in the avoiding groove; through the cooperation of the avoiding groove, the limiting groove and the limiting block, the convenience of disassembly and assembly of the heat shield is improved.

[0013] Further, the avoiding groove is provided with a blocking block, the upper end of the blocking block is provided with an elastic clamping plate, and the elastic clamping plate abuts against the inner and outer side walls of the blocking ring; the movement of the limiting block can be limited through the blocking block, so that the rotation of the heat shield is limited, and the arbitrary rotation of the heat shield is avoided, the fastening of the blocking block is improved through the elastic clamping plate, and the blocking block is prevented from falling off.

[0014] Further, the top end of the heat shield is provided with an inward extending plate, a cavity is arranged between the extending plate and the upper end surface of the ceramic pot body, a plurality of supporting blocks are arranged on the lower end surface of the extending plate, the supporting blocks are located in the cavity, the lower end of the supporting block abuts against the upper end surface of the ceramic pot body, and the inner peripheral wall diameter of the extending plate is smaller than the inner peripheral wall diameter of the top end of the ceramic pot body; through the arrangement of the extending plate and the size of the inner wall diameter, the heat shield can be protected in all directions, and the safety of the ceramic electric pot is further improved, and the stability of the heat shield can be improved through the supporting plate.

[0015] From the above description, the utility model provides a kind of graphene ceramic electric cooker with the following beneficial effects: by fire roasting graphene layer and heat-conducting silicon layer, improve the heat density and heating efficiency of ceramic electric cooker, and by heating device is located in the outside of ceramic pot body, so that food can contact is the ceramic pot body made of full ceramic material, thus avoid the generation of harmful metal elements and the occurrence of chemical reaction, not only can improve the deliciousness of food taste, also will not therefore affect people's health, by fire roasting graphene layer and heat-conducting silicon layer cover in the outside bottom wall and side wall of ceramic pot body, not only improve the heat conduction speed of ceramic electric cooker, also improve the uniformity of ceramic electric cooker heating, so it can further improve the efficiency of ceramic electric cooker and the deliciousness of food taste, this ceramic electric cooker can be used for boiling water, decocting medicine, hot pot etc. Different scene, improve applicability and practicality. By heat shield, ceramic electric cooker can be avoided in the process of use, because ceramic pot body temperature is too high and scalds user, ensure the use safety of ceramic electric cooker, by the detachable installation mode of ceramic pot body, improve the convenience of ceramic electric cooker cleaning. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.

[0017] Figure 2 It is the sectional view three-dimensional structure schematic diagram of the utility model.

[0018] Figure 3 It is Figure 1 The enlarged structure schematic diagram of A of

[0019] Figure 4 It is Figure 2 The enlarged structure schematic diagram of B of DETAILED DESCRIPTION

[0020] To make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific implementation manners.

[0021] As Figures 1-4The utility model provides a kind of graphene ceramic electric cooker shown: including ceramic pot body 1 and heating device 2, it is characterized by: still including fire roasting graphene layer 3 and heat-conducting silicon layer 4, fire roasting graphene layer 3 is covered on the outside bottom wall and side wall of ceramic pot body 1 by 750~850 ° high-temperature fire roasting mode, fire roasting mode can avoid the drop of graphene layer, heat-conducting silicon layer 4 is covered in the outside of graphene layer, heating device 2 is located the bottom of ceramic pot body 1 directly below, and it is abutted with heat-conducting silicon layer 4, by fire roasting graphene layer 3 and heat-conducting silicon layer 4, the heat density and heating efficiency of ceramic electric cooker are improved, and by heating device 2 being located the outside of ceramic pot body 1, so that food can contact is the ceramic pot body 1 made of full ceramic material, thus avoid the generation of harmful metal elements and the occurrence of chemical reaction, not only can improve food taste delicious degree, also will not therefore affect people's health, by fire roasting graphene layer 3 and heat-conducting silicon layer 4 cover the outside bottom wall and side wall of ceramic pot body 1, not only improve the ceramic electric cooker heat conduction speed, also improve the uniformity of ceramic electric cooker heated, so can further improve the efficiency of ceramic electric cooker and food taste delicious degree, this ceramic electric cooker can be used for boiling water, decocting medicine, hot pot etc. Different scenarios, improve applicability and practicality.

[0022] Wherein, still including heat shield 5, heat shield 5 is detachably covered in the outside of ceramic pot body 1, heat shield 5 is made of ceramic fiber composite material, is resistant to high temperature, lightweight and excellent heat insulation performance, by heat shield 5, ceramic electric cooker can avoid scalding user in the process of use due to the temperature of ceramic pot body 1 is too high, ensure the use safety of ceramic electric cooker, by the detachable installation mode of ceramic pot body 1, improve the convenience of ceramic electric cooker cleaning.

[0023] Wherein, the inner wall of heat shield 5 and heat-conducting silicon layer 4 are equipped with heat dissipation cavity 51, the width of heat dissipation cavity 51 is 3-5mm, heat shield 5 is equipped with several tiny heat dissipation holes 52, the setting of heat dissipation cavity 51 and the width of heat dissipation cavity 51 is favorable to heat dissipation, by tiny heat dissipation hole 52, realize the air convection of heat dissipation cavity 51 and outside, utilize air convection to accelerate the heat loss in heat dissipation cavity 51, avoid heat accumulation.

[0024] Wherein, heating device 2 includes coupler 21, heating disc 22, heating element 23, temperature sensor 24 and insulating base 25, heating disc 22 and heating element 23 are electrically connected with coupler 21, heating element 23 is embedded in heating disc 22, coupler 21, heating disc 22 and temperature sensor 24 are installed on insulating base 25, by coupler 21 can ensure that electric energy is efficiently and stably transmitted to heating disc 22, reduces energy loss, improves heating efficiency, cooperates temperature sensor 24, can accurately adjust and control the temperature of heating disc 22, adapts to the demand of different application scenarios, and maintenance cost is lower.

[0025] The upper end surface area of the heating disc 22 is consistent with the bottom lower end surface area of the ceramic pot body 1, and completely coincides, so as to improve the heating efficiency and accelerate the speed of heat transfer.

[0026] The detachable device 6 is further included, the heat shield 5 is connected with the insulating base 25 through the detachable device 6, the detachable device 6 includes a limiting ring 61, a blocking ring 62 and a limiting block 63, the limiting ring 61 and the blocking ring 62 are arranged at the upper end edge of the insulating base 25, the limiting ring 61 is located outside the ceramic pot body 1, the blocking ring 62 is located outside the limiting ring 61, and a cavity 64 is arranged between the blocking ring 62 and the limiting ring 61, the sliding of the ceramic pot body 1 can be avoided through the arrangement of the limiting ring 61, and the detachable connection mode of the heat shield 5 is realized through the detachable device 6.

[0027] The blocking ring 62 is provided with a plurality of avoiding grooves 65 and limiting grooves 66, the avoiding grooves 65 are arranged from the upper end surface of the blocking ring 62 and extend along the height direction of the blocking ring 62, and the limiting grooves 66 are arranged at the bottom side of the avoiding grooves 65 and are in communication with the avoiding grooves 65, so as to be used in cooperation with the limiting block 63 through the arrangement of the avoiding grooves 65 and the limiting grooves 66.

[0028] The lower end of the heat shield 5 is located in the cavity 64, and the limiting block 63 is arranged at the lower end of the outer wall of the heat shield 5 and is located in the avoiding groove 65, so as to improve the convenience of dismounting and mounting the heat shield 5 through the cooperation of the avoiding groove 65, the limiting groove 66 and the limiting block 63, when the outer peripheral wall of the ceramic pot body 1 needs to be cleaned, the heat shield 5 can be dismounted, when the heat shield 5 is dismounted, the heat shield 5 is first rotated, so that the limiting block 63 moves out of the limiting groove 66 to the avoiding groove 65, and then the heat shield 5 can be lifted upward.

[0029] The avoiding groove 65 is provided with a blocking block 67, the upper end of the blocking block 67 is provided with an elastic clamping plate 68, the elastic clamping plate 68 abuts against the inner and outer side walls of the blocking ring 62, and the clamping plate and the blocking ring 62 are connected in a tight fit mode, so the clamping plate must be bent to clamp the blocking ring 62, the movement of the limiting block 63 can be limited through the blocking block 67, so as to limit the rotation of the heat shield 5 and avoid the arbitrary rotation of the heat shield 5, the fastening of the blocking block 67 is improved through the elastic clamping plate 68, and the blocking block 67 is prevented from falling, when the heat shield 5 needs to be rotated, the blocking block 67 can be pulled upward.

[0030] The top end of the heat shield 5 is provided with an inwardly extending plate 53, a cavity 54 is arranged between the extending plate 53 and the upper end face of the ceramic pot body 1, the lower end face of the extending plate 53 is provided with a plurality of supporting blocks 55, the supporting blocks 55 are located in the cavity 54, the lower end of the supporting blocks 55 abuts against the upper end face of the ceramic pot body 1, and the inner peripheral wall diameter of the extending plate 53 is smaller than the top end inner peripheral wall diameter of the ceramic pot body 1.

[0031] The outer wall of the heat shield 5 is provided with symmetrically distributed handles 7, the handles 7 adopt a hollow double-layer structure, the handles 7 are embedded with heat insulation materials, heat insulation gaskets 71 are arranged at the connection positions of the handles 7 and the pot body, the handles 7 are prevented from being overheated during the heating process of the ceramic electric cooker, and the surface of the handle 7 is designed in a concave-convex texture, so that the holding stability is improved.

[0032] The above are only some specific embodiments of the present application, but the design concept of the present application is not limited thereto, and any non-essential change to the present application by using the concept should be regarded as an infringement of the protection scope of the present application.

Claims

1. A graphene ceramic electric cooker comprising a ceramic cooker body (1) and a heating device (2), characterized in that: It also includes a fire roasting graphene layer (3) and a heat-conducting silicon layer (4), the fire roasting graphene layer (3) is covered on the outer bottom wall and side wall of the ceramic pot body (1), the heat-conducting silicon layer (4) is covered on the outer side of the graphene layer, the heating device (2) is located directly below the bottom of the ceramic pot body (1) and abuts with the heat-conducting silicon layer (4).

2. The graphene ceramic electric cooker according to claim 1, characterized in that: It also includes a heat insulation cover (5) which is detachably covered on the outer side of the ceramic pot body (1).

3. The graphene ceramic electric cooker according to claim 2, characterized in that: The inner wall of the heat insulation cover (5) and the heat-conducting silicon layer (4) are provided with a heat dissipation cavity (51), the width of the heat dissipation cavity (51) is 3-5mm, and the heat insulation cover (5) is provided with a plurality of micro heat dissipation holes (52).

4. The graphene ceramic electric cooker according to claim 2, characterized in that: The heating device (2) includes a coupler (21), a heating disc (22), a heating element (23), a temperature sensor (24) and an insulating base (25), the heating disc (22) and the heating element (23) are electrically connected with the coupler (21), the heating element (23) is embedded in the heating disc (22), and the coupler (21), the heating disc (22) and the temperature sensor (24) are installed on the insulating base (25).

5. The graphene ceramic electric cooker according to claim 4, characterized in that: The upper end surface area of the heating disc (22) is consistent with the bottom lower end surface area of the ceramic pot body (1) and completely overlaps.

6. The graphene ceramic electric cooker according to claim 4, characterized in that: It also includes a detachable device (6), the heat insulation cover (5) is connected with the insulating base (25) through the detachable device (6), the detachable device (6) includes a limiting ring (61), a blocking ring (62) and a limiting block (63), the limiting ring (61) and the blocking ring (62) are arranged on the upper end edge of the insulating base (25), the limiting ring (61) is located on the outer side of the ceramic pot body (1), the blocking ring (62) is located on the outer side of the limiting ring (61), and a cavity (64) is arranged between the blocking ring (62) and the limiting ring (61).

7. The graphene ceramic electric cooker according to claim 6, characterized in that: The blocking ring (62) is provided with a plurality of avoiding grooves (65) and limiting grooves (66), the avoiding grooves (65) are arranged from the upper end surface of the blocking ring (62) and extend along the height direction of the blocking ring (62), and the limiting grooves (66) are located on the bottom side of the avoiding grooves (65) and communicate with the avoiding grooves (65).

8. The graphene ceramic electric cooker according to claim 7, characterized in that: The lower end of the heat insulation cover (5) is located in the cavity (64), the limiting block (63) is arranged on the outer wall lower end of the heat insulation cover (5) and located in the avoiding groove (65).

9. The graphene ceramic electric cooker according to claim 8, characterized in that: The avoiding groove (65) is provided with a blocking block (67), the upper end of the blocking block (67) is provided with an elastic clamping plate (68), and the elastic clamping plate (68) abuts with the inner and outer side walls of the blocking ring (62).

10. The graphene ceramic electric cooker according to claim 2, characterized in that: The top end of the heat insulation cover (5) is provided with an inward extending plate (53), a cavity (54) is arranged between the extending plate (53) and the upper end surface of the ceramic pot body (1), a plurality of supporting blocks (55) are arranged on the lower end surface of the extending plate (53), the supporting blocks (55) are located in the cavity (54), the lower end of the supporting blocks (55) abuts with the upper end surface of the ceramic pot body (1), and the inner circumferential wall diameter of the extending plate (53) is smaller than the top end inner circumferential wall diameter of the ceramic pot body (1).