CN215383131U - Electric heating cooking utensil - Google Patents
Electric heating cooking utensil Download PDFInfo
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- CN215383131U CN215383131U CN202121465737.2U CN202121465737U CN215383131U CN 215383131 U CN215383131 U CN 215383131U CN 202121465737 U CN202121465737 U CN 202121465737U CN 215383131 U CN215383131 U CN 215383131U
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Abstract
The utility model provides an electric heating cooking utensil. The electric heating cooking appliance comprises a base and a cooking container, wherein the base comprises a shell, a support and an electric heating device, the support and the electric heating device are installed in the shell, and the electric heating device comprises a graphene heating body which is electrified to release far infrared rays; the graphene heating body is supported on the support, and the graphene heating body forms a heating surface opposite to the heating surface of the cooking container; the graphene heating body forms at least two electrodes, and the electrodes are electrically connected with a power supply. This electric heating formula cooking utensil utilizes the far infrared of graphite alkene heat-generating body release to heat. Different with the current heating principle that makes the material that generates heat, utilize graphite alkene material, the direct release far infrared after the circular telegram, can the direct heating culinary art container, have higher heating efficiency, can reach the required temperature of culinary art in short time, reduce heating latency, better improve cooking utensil's use and experience, enlarge cooking utensil's adaptability.
Description
Technical Field
The utility model relates to articles for daily use and electric appliances, in particular to an electric heating cooking appliance.
Background
There are many cooking appliances, among which the electric heating type cooking appliance is more widely used. Generally, an electric heating cooking appliance includes a base, a cooking container (pot body), and a cover used in cooperation with the cooking container. The base includes a housing and a support for supporting the entire cooking appliance and is provided with suitable electrical heating means. The cooking container forms a receiving space for cooking food or soup. The lid body cooperates with the upper mouth of the cooking container to maintain the cooking container relatively closed.
The electric heating device comprises a circuit control assembly, an electric heating module for converting electric energy into heat energy and the like. According to actual needs, the electric heating module can select a proper heating element, and electric energy is converted into heat energy through a proper mode (such as resistance heating, arc heating or inductive heating and the like); for one disc, the resistance heating is more widely applied; for example, the resistance wire may be combined with a suitable metal by casting to form an electric hot plate. The circuit control assembly generally comprises a temperature adjusting handle and a temperature controller, wherein the temperature controller controls the on-off state of the electric heating module and controls the energy efficiency conversion efficiency (power) of the electric heating module; the working state and power of the electric heating module can be controlled by changing the adjusting shaft (such as rotating the adjusting shaft) of the temperature controller through the adjusting handle. In order to ensure heating efficiency, it is necessary to maintain the bottom surface of the cooking vessel in contact with the heating surface of an electric heating module (e.g., a hot plate) during use.
The heating elements currently used have a long heating process, requiring at least a few minutes to heat to a suitable cooking temperature. This limits the efficiency of the electric cooking appliance; and after heating, the temperature is reduced by a longer process, and particularly under the condition that the cooking container is smaller, the waiting time is longer.
Currently, how to improve the heating efficiency of the electric heating cooking device and reduce the heating waiting time is an objective that those skilled in the art strive to pursue.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an electric heating cooking utensil, by which a heating element can reach a cooking temperature in a shorter time, the heating efficiency of the electric heating cooking utensil is improved, and the heating waiting time is shortened.
The utility model provides an electric heating cooking appliance which comprises a base and a cooking container, wherein the base comprises a shell, a support and an electric heating device, the support and the electric heating device are installed in the shell, and the electric heating device comprises a graphene heating body which is electrified to release far infrared rays; the graphene heating body is supported on the support, and the graphene heating body forms a heating surface opposite to the heating surface of the cooking container; the graphene heating body forms at least two electrodes, and the electrodes are electrically connected with a power supply. This electric heating formula cooking utensil utilizes the far infrared of graphite alkene heat-generating body release to heat. With present messenger's heating material reach high temperature, the heating principle that releases photon is different again, utilizes graphite alkene material, and direct release far infrared after the circular telegram can the direct heating culinary art container, has higher heating efficiency, can reach the required temperature of culinary art in short time, reduces the heating latency, can better improve cooking utensil's use and experience, enlarges cooking utensil's adaptability.
In a preferred technical scheme, the graphene heating body comprises a substrate and a graphene heating layer attached to the surface of the substrate. The graphene heating layer can be attached to the substrate in one of bonding, sintering and coating modes. Thus, the substrate and the graphene heating layer can be manufactured respectively to obtain better effect. For example, the substrate may be made of a material such as glass ceramics, borosilicate glass, ceramics, or a suitable metal.
In an optional technical scheme, at least part of the heating surface of the graphene heating body is attached with the temperature sensing ink layer. Like this, at graphite alkene heat-generating body circular telegram release far infrared, the temperature sensing printing ink layer can be heated because of the far infrared effect, and then discolour. Therefore, the display or warning function can be provided, the use convenience of the electric heating cooking utensil is improved, and the safety of the electric heating cooking utensil is improved.
In a further technical scheme, different temperature sensing ink layers are attached to different areas of the heating surface of the graphene heating body. Different temperature sensing printing ink layer temperature sensing produces different discolours, can form the display function like this, plays instruction and warning effect simultaneously.
In an optional technical scheme, the substrate is a far infrared ray transmission plate, and the graphene heating layer is located on the outer surface of the substrate. Can avoid graphite alkene to generate heat layer direct contact culinary art container like this, and then guarantee graphite alkene to generate heat the life on layer, guarantee the safety in utilization simultaneously.
In an optional technical scheme, a heat insulation layer is arranged outside the graphene heating body. Therefore, the loss of the released far infrared rays can be reduced, the adverse effect on other parts (such as an electric control device) of the electric heating cooking utensil is reduced, and the reliability of the electric heating cooking utensil is ensured.
In an optional technical scheme, a reflecting plate is further arranged outside the graphene heating body, and a reflecting surface for reflecting far infrared rays is formed on the inner surface of the reflecting plate. Can reduce far infrared loss like this on the one hand, improve heating efficiency, on the other hand can improve electric heat formula cooking utensil thermal efficiency through reflection with far infrared gathering to the culinary art container.
In an optional technical scheme, a gap is formed between the reflection surface and the graphene heating body. Can reduce the heat-conduction of reflecting plate and graphite alkene heat-generating body like this, reduce the reflecting plate temperature, guarantee far infrared reflection, assemble the effect.
According to the preferable technical scheme, the heating surface of the graphene heating body forms a concave heating cavity corresponding to the outer surface of the cooking container. Therefore, the characteristic that the graphene heating body is easy to form can be fully utilized to form the concave heating cavity, and then heat is gathered, and convenience is provided for improving the heating efficiency.
Drawings
FIG. 1 is a schematic sectional view of an electric cooking device according to an embodiment of the present invention;
FIG. 2 is an exploded view of the electric cooking appliance of FIG. 1;
fig. 3 is a schematic view of the electric heating cooking appliance shown in fig. 1, showing a heating principle of the graphene heating element.
Detailed Description
The embodiments provided in the present invention are described below with reference to the drawings. In this document, the terms "inside" and "outside" are used with reference to the cooking vessel or pot, and the central position of the cooking vessel or pot close to the vessel or pot is inside, and the opposite direction is "outside".
Referring to fig. 1 and 2, fig. 1 is a schematic cross-sectional view illustrating an electric heating cooking device according to an embodiment of the present invention; fig. 2 is an exploded view of the electric heating cooking appliance shown in fig. 1.
The electric heating cooking appliance according to the embodiment of the present invention includes a base 100, a cooking container 200, and a cover 300. The base 100 serves as a base member for supporting cooking and forms a base mechanism for mounting an electric heating device and an electric control device. The cooking container 200 is a core part of the electric heating type cooking appliance, and accommodates food to provide a cooking space. The bottom surface or the outer surface of the cooking container 200 is opposite to or in contact with a heating surface formed by the electric heating means to receive heat to perform a cooking process on food in the cooking space. The cover 300 may selectively cooperate with an opening of the cooking container 200 to maintain a relative closure of the cooking space during cooking.
As shown, the base 100 includes a housing 110, a bracket 120 mounted within the housing, and an electrical heating device 130. The housing 110 is supported on the one hand on a predetermined work platform. The bracket 120 is fixed within the housing 110 to provide a basis for mounting the electric heating apparatus 130, the electric control device, or other components.
In this embodiment, the electric heating device 130 includes a graphene heating element 131 that releases far infrared rays when energized. Wherein. The graphene heating element 131 is supported on the support 120. In this embodiment, the graphene heating element 131 has a plate-like structure, and forms a heating surface P facing the heating surface (Q) of the cooking container 200. The graphene heating body 131 forms at least two electrodes, which are electrically connected to a power supply. The graphene heater 131 is generally matched with the cooking container 200 in size.
When cooking is performed, the graphene heating element 131 may be energized to emit far infrared rays. The far infrared rays released by the graphene heating body 131 are used for heating, so that the food in the cooking container 200 is heated, and the purpose of cooking is achieved. Different with the principle that makes the material that generates heat release photon radiation, convection current and conduction heating again after reaching high temperature now, utilize graphite alkene material, direct release far infrared after the circular telegram, can the direct heating culinary art container, have higher heating efficiency, can reach the required temperature of culinary art in short time, reduce heating latency, can better improve cooking utensil and use experience, enlarge cooking utensil's adaptability.
Referring to fig. 3, which is a schematic view of the electric heating cooking device shown in fig. 1, a heating principle of the graphene heating element 131 is illustrated. In this embodiment, the graphene heating element 131 includes a substrate 1311 and a graphene heating layer 1312 attached to a surface of the substrate 1311. The graphene heat generating layer 1312 may be attached to the substrate 1311 by one of bonding, sintering, and coating. Thus, the substrate 1311 and the graphene heat generating layer 1312 may be separately manufactured to obtain more excellent effects. For example, the substrate 1311 may be made of a material such as glass ceramics, borosilicate glass, ceramics, or an appropriate metal. The graphene heat generating layer 1312 may form a corresponding thin film structure or a layered structure using an existing graphene material. It is to be understood that the graphene heat-generating body may be formed from a slurry including a graphene material by using a suitable mold. In one embodiment, the graphene heating element may also be an electrothermal film formed by graphene to a predetermined thickness.
In this embodiment, a temperature sensitive ink layer is attached to the heating surface P of the graphene heating element 131. Like this, when graphite alkene heat-generating body 131 circular telegram release far infrared, temperature sensing printing ink layer can be heated because of the far infrared effect, and then discolours (if can become "red" by "blue"), can provide demonstration or warning effect, and then improves electric heat formula cooking utensil convenience in use, improves electric heat formula cooking utensil security simultaneously. It can be understood that the temperature-sensitive ink layer may also be attached to a part of the heating surface P to form a corresponding pattern, so as to implement the functions of displaying, warning or indicating by using the temperature-sensitive ink layer.
The temperature sensitive ink layer may be attached to the heating surface P of the graphene heating element 131 by coating, screen printing, bonding, or the like.
It is to be understood that different temperature-sensitive ink layers may be attached to different regions of the heating surface P of the graphene heating element 131. The different temperature-sensitive ink layers sense heat to generate different color changes to form corresponding areas or patterns. Like this, when graphite alkene heat-generating body 131 released the far infrared ray, different temperature sensing printing ink layer produced different color change effect, and then performance display function plays instruction and warning effect simultaneously.
In this embodiment, the substrate 1311 may be a far infrared ray transmitting plate, and may be made of microcrystalline glass, borosilicate glass, ceramic, or the like. The graphene heat generating layer 1312 is located on an outer surface of the substrate 1311. Can avoid graphite alkene to generate heat layer 1312 direct contact culinary art container 200 like this, and then guarantee graphite alkene to generate heat the life of layer 1312, guarantee the safety in utilization simultaneously. It can be understood that, according to actual needs, the substrate 1311 may be disposed inside and outside the graphene heating layer 1312 to ensure that the graphene heating layer 1312 is not damaged, and to improve reliability of the graphene heating layer 1312.
Referring to the drawings, a heat insulation layer 132 may be disposed outside the graphene heating element 131. The thermal insulation layer 132 can be made of a high thermal insulation material to insulate heat radiation and conduction, so that the loss of far infrared rays can be reduced, the adverse effect on other parts (such as an electric control device) of the electric heating cooking appliance can be reduced, and the reliability of the electric heating cooking appliance can be ensured.
In this embodiment, a reflection plate 133 is further disposed outside the graphene heating element 131, a reflection surface S for reflecting far infrared rays is formed on an inner surface of the reflection plate 133, and the reflection surface S may be a surface having a certain degree of finish (for example, the reflection plate 133 may be made of stainless steel). So on the one hand can reduce the loss of far infrared, improve heating efficiency, on the other hand can be through reflection with far infrared gathering to cooking container 200, improve electric heating formula cooking utensil's thermal efficiency. Meanwhile, a gap is provided between the reflection surface S and the graphene heating element 131. Thus, the heat conduction between the reflecting plate 133 and the graphene heating body 131 can be reduced, the temperature of the reflecting plate 133 is reduced, and the reflecting and converging effects of far infrared rays are ensured. The gap between the reflection surface S and the graphene heating element 131 can be set according to actual needs, and in this embodiment, a heat insulation layer 132 is filled between the reflection surface S and the graphene heating element 131.
The thermal efficiency can be improved by arranging the thermal insulation layer 132 and the reflection plate 133 at the same time. As shown in fig. 3, a temperature sensor 134 is further provided to control the temperature of the graphene heating element 131. The temperature measuring head of the temperature measuring sensor 134 passes through the heat insulating layer 132 and the reflection plate 133 to contact or be opposite to the graphene heating element 131, so as to detect the temperature of the graphene heating element 131. Corresponding control assembly can control whether graphite alkene heat-generating body 131 circular telegram or the circular telegram parameter according to the temperature signal control that temperature sensor 134 exported to control graphite alkene heat-generating body 131's temperature, avoid graphite alkene heat-generating body 131 overheated production potential safety hazard.
It can be understood that, based on the characteristic of easy molding of the graphene heater 131, the heating plane P of the graphene heater 131 may form a concave heating cavity corresponding to the outer surface of the cooking container 200. Thus, the cooking container 200 is heated from a plurality of directions, and convenience is provided for heat collection and heating efficiency improvement.
The electric heating cooking appliance provided by the utility model is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the core concepts of the present invention. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. An electric heating cooking appliance, comprising a base (100) and a cooking container (200), wherein the base (100) comprises a shell (110), a bracket (120) arranged in the shell (110) and an electric heating device (130), and is characterized in that the electric heating device (130) comprises a graphene heating body (131) which is electrified to release far infrared rays; the graphene heating element (131) is supported on the bracket (120), and the graphene heating element (131) forms a heating surface (P) opposite to the heating surface (Q) of the cooking container (200);
the graphene heating body (131) forms at least two electrodes, and the electrodes are electrically connected with a power supply.
2. The electric heating cooking appliance according to claim 1, wherein the graphene heating element (131) comprises a substrate (1311) and a graphene heating layer (1312) attached to a surface of the substrate (1311).
3. The electric heating cooking appliance according to claim 2, wherein the graphene heat generating layer (1312) is attached to the substrate (1311) by one of bonding, sintering, and coating.
4. The electrothermal cooking appliance according to claim 2, wherein the temperature-sensitive ink layer is at least partially attached to the heating surface (P) of the graphene heating element (131).
5. The electrothermal cooking appliance of claim 4,
different temperature-sensitive ink layers are attached to different areas of a heating surface (P) of the graphene heating body (131).
6. The electric heating cooking appliance according to claim 2, wherein the substrate (1311) is a far infrared ray transmitting plate, and the graphene heat generating layer (1312) is located on an outer surface of the substrate (1311).
7. The electrothermal cooking appliance of claim 1,
and a heat insulation layer (132) is arranged outside the graphene heating body (131).
8. The electric heating cooking appliance according to any one of claims 1 to 7, wherein a reflection plate (133) is further provided outside the graphene heating element (131), and a reflection surface (S) for reflecting far infrared rays is formed on an inner surface of the reflection plate (133).
9. The electrothermal cooking appliance according to claim 8, wherein there is a gap between the reflection surface (S) and the graphene heat-generating body (131).
10. The electrothermal cooking appliance according to any one of claims 1 to 7, wherein the heating surface (P) of the graphene exothermic body (131) forms a concave heating cavity corresponding to the outer surface of the cooking container (200).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021354749 | 2020-07-11 | ||
| CN2020213547493 | 2020-07-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215383131U true CN215383131U (en) | 2022-01-04 |
Family
ID=79643349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121465737.2U Active CN215383131U (en) | 2020-07-11 | 2021-06-30 | Electric heating cooking utensil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215383131U (en) |
-
2021
- 2021-06-30 CN CN202121465737.2U patent/CN215383131U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An electric heating cooking appliance Effective date of registration: 20220627 Granted publication date: 20220104 Pledgee: Bank of China Limited by Share Ltd. Shunde branch Pledgor: FOSHAN AISEN ELECTRIC CO.,LTD. Registration number: Y2022980008949 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |