Heating layer structure
By combining a substrate, an electric heating layer, a heat insulation layer, and a heat-conducting layer, and utilizing graphene glass fiber and a silicone layer, the problem of the existing electrical heating structure being bulky and having a long preheating time is solved, achieving the effects of rapid heating and space saving.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- DOSOAI TECHNOLOGY (SHENZHEN) CO LTD
- Filing Date
- 2025-01-23
- Publication Date
- 2026-04-10
AI Technical Summary
Existing electric heating structures are bulky and cumbersome, have long preheating times, which affects heating efficiency, and are inconvenient to carry and utilize space.
It adopts a combined structure of substrate, electric heating layer, heat insulation layer and heat conduction layer, uses graphene glass fiber as the basic thermal unit, and combines silicone layer and mica sheet or aerogel for heat management to improve heat concentration and conduction efficiency.
It accelerates heat conduction speed, reduces heat loss, and achieves a lightweight, space-saving heating structure that meets the needs of rapid temperature regulation.
Smart Images
Figure CN224111333U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to electric heating technical field, especially relate to a heating layer structure. BACKGROUND
[0002] The heating structure of the existing electric appliance mostly adopts the contact type heat conduction to heat, taking the existing electric hot plate as an example, directly place the food to be heated on the hot plate, the electric hot plate mainly includes base, heating pipe and object supporting plate, wherein, the base plays the role of supporting stability, auxiliary heat conduction, protection isolation etc., but due to the self characteristic of the heating pipe, the traditional hot plate is thick, clumsy and not beautiful, occupies a lot of space when storing, and is not convenient when carrying out camping and picnic, and the heat generated by the heating pipe is transferred to the base and the object supporting plate in two directions, a lot of heat is lost in the transmission process, leading to that the temperature on the object supporting plate rises very slowly, the preheating time is long, the required working temperature cannot be reached rapidly, and the heating efficiency is affected. UTILITY MODEL CONTENTS
[0003] The utility model discloses a heating layer structure, solve the problem that the existing heating structure is thick, preheating time is long, and heating efficiency is affected.
[0004] In order to realize the above-mentioned purpose, a kind of heating layer structure provided in the utility model embodiment, including base material, electric heating layer and heat insulation layer, the electric heating layer is connected with power supply and is electrified heating, the base material is located at the top of the electric heating layer, for contacting the material to be heated, the heat insulation layer is located below the electric heating layer, for reducing heat leakage.
[0005] Further, the electric heating layer is arranged by a plurality of basic heat units, and the basic heat unit is connected to the terminal by positive electrode and negative electrode respectively.
[0006] Further, the material of the basic heat unit is graphene glass fiber.
[0007] Further, heat conducting layer is arranged between the base material and the electric heating layer.
[0008] Further, the thickness of the heat conducting layer is 0.04mm to 0.12mm.
[0009] Further, silica gel layer is arranged between the electric heating layer and the heat insulation layer, and silica gel layer is also arranged between the electric heating layer and the heat conducting layer.
[0010] Further, the thickness of the silica gel layer is 0.04mm to 0.12mm.
[0011] Further, the material of the base material is heat-conducting metal or non-metal.
[0012] Further, the heat insulation layer is made of mica sheet.
[0013] Further, the thickness of the substrate is 0.9mm to 11mm, the thickness of the electric heating layer is 0.04mm to 0.4mm, and the thickness of the heat insulation layer is 0.4mm to 6mm.
[0014] The above one or more technical solutions in the heating layer structure provided by the embodiments of the present application have at least the following technical effects:
[0015] The bottom of the electric heating layer is provided with the heat insulation layer, which effectively reduces the loss of heat downward transmission of the electric heating layer, so that the heat can be concentrated in the electric heating layer and the substrate area above, improves the use efficiency of the overall energy, and accelerates the efficiency of heat conduction, so that the temperature can be rapidly raised or lowered in a short time, and the equipment demand of requiring rapid temperature adjustment can be met; and the thickness of the overall structure can be further reduced, the requirements of lightness and space saving can be met, and the fields of electric appliances, electronic products and heating pads can be adapted. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.
[0017] Fig. 1 The structure diagram of the heating layer structure provided by the embodiments of the present application is shown.
[0018] Fig. 2 The structure diagram of the electric heating layer of the heating layer structure provided by the embodiments of the present application is shown.
[0019] In the figure, 10 is a substrate, 20 is an electric heating layer, 21 is a basic thermal unit, 30 is a heat insulation layer, 40 is a heat conduction layer, and 50 is a silica gel layer. DETAILED DESCRIPTION
[0020] The embodiments of the present application will be described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the embodiments of the present application, and cannot be understood as a limitation of the present application.
[0021] In the description of the embodiments of the utility model, it is understood that the directions or position relations indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are based on the directions or position relations shown in the drawings, and are only for the convenience of describing the embodiments of the utility model and simplifying the description, and thus cannot be understood as indicating or implying that the devices or elements indicated must have a specific direction, be constructed and operated in a specific direction, and thus cannot be understood as limiting the utility model.
[0022] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.
[0023] In the embodiments of the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the embodiments of the utility model can be understood according to the specific circumstances.
[0024] In an embodiment of the heating layer structure of the utility model, please refer to Figs. 1-2 The heating layer structure comprises a base material 10, an electric heating layer 20 and a heat insulation layer 30, the electric heating layer 20 is connected with a power supply for power heating, the base material 10 is arranged above the electric heating layer 20 for contacting the material to be heated, and the heat insulation layer 30 is arranged below the electric heating layer 20 for reducing heat leakage. Specifically, the bottom of the electric heating layer 20 is provided with the heat insulation layer 30, which effectively reduces the loss of heat downward transmission of the electric heating layer 20, so that the heat can be concentrated in the electric heating layer 20 and the base material 10 area above, improving the overall energy use efficiency. And the efficiency of heat conduction is accelerated, so that the heating layer structure can rapidly heat up or cool down in a short time, meeting the equipment demand of rapid temperature adjustment; further, the thickness of the overall structure can be reduced, meeting the requirements of lightness and space saving, and being applicable to the fields of electric appliances, electronic products and heating pads.
[0025] Further, the electric heating layer 20 is composed of a plurality of basic heating units 21 arranged in an array, and the basic heating units 21 are connected to the terminals through the positive and negative electrodes respectively. Specifically, according to the power density and the specification requirements of the product, the electric heating layer 20 can be a whole piece of basic heating units 21, or a plurality of basic heating units 21 arranged in an array through series or parallel connection, and the electric heating layer 20 is connected to the power supply through the terminals to realize the heating effect.
[0026] Further, the material of the basic heating unit 21 is graphene glass fiber. Specifically, the graphene glass fiber has excellent thermal stability and electric heating performance, good strength and rigidity, and relatively light weight, effectively and rapidly converts heat; the thermal stability effectively prolongs the service life of the heating layer structure.
[0027] Further, a heat-conducting layer 40 is arranged between the substrate 10 and the electric heating layer 20. Specifically, the heat-conducting layer 40 improves the efficiency of heat transfer, can quickly transfer the heat of the electric heating layer 20 to the area of the substrate 10 above, ensures rapid dispersion of heat, prevents local overheating, reduces temperature fluctuations, and improves the efficiency of heating.
[0028] Further, the thickness of the heat-conducting layer 40 is 0.04mm to 0.12mm. Specifically, the thickness of the heat-conducting layer can be 0.04mm, 0.05mm, 0.06mm, 0.07mm, 0.08mm, 0.09mm, 0.1mm, 0.11mm and 0.12mm. The material of the heat-conducting layer is copper, which has very high heat-conducting performance, further improving the heat-conducting efficiency.
[0029] Further, a silica gel layer 50 is arranged between the electric heating layer 20 and the heat-insulating layer 30, and also between the electric heating layer 20 and the heat-conducting layer 40. Specifically, the electric heating layer 20 is provided with silica gel layers 50 above and below, which help to evenly distribute heat and also have a certain heat-insulating effect, preventing excessive loss of heat and helping to concentrate heat in the heating area, thereby improving the heating efficiency. At the same time, the silica gel layer 50 has a certain elasticity and good waterproof and dustproof performance to protect the electric heating layer 20 and avoid damage to the electric heating layer 20 due to external environmental influences.
[0030] Further, the thickness of the silica gel layer 50 is 0.04mm to 0.12mm. Specifically, the material of the silica gel layer is insulating silica gel resin, which has excellent insulating performance to prevent current leakage and ensure electrical isolation between the electric heating layer 20 and other structures, ensuring the safety and stability of the heating layer structure during use. The thickness of the heat-conducting layer can be 0.04mm, 0.05mm, 0.06mm, 0.07mm, 0.08mm, 0.09mm, 0.1mm, 0.11mm and 0.12mm.
[0031] Further, the material of the substrate 10 is a heat-conductive metal or non-metal. Specifically, the metal includes alloys, aluminum products, etc., and the non-metal includes ceramics, glass, etc., all of which have strong mechanical properties, are resistant to high temperature and pressure, can maintain integrity under high temperature conditions, and effectively prevent structural damage caused by external pressure or thermal expansion.
[0032] Further, the heat insulation layer 30 is made of mica sheet. Specifically, the mica sheet is an excellent heat insulation material that will not be damaged even after long-term exposure to high temperature or corrosive environment, effectively protecting the structure of the electric heating layer 20 and preventing damage caused by external environmental interference. In another embodiment, the heat insulation layer 30 is composed of aerogel. Aerogel is the solid with the smallest density, has extremely light weight, extremely low thermal conductivity, and good mechanical strength and waterproof performance, can effectively block heat transfer, and is not easily affected by environmental factors.
[0033] Further, the thickness of the substrate 10 is 0.9mm to 11mm, the thickness of the electric heating layer 20 is 0.04mm to 0.4mm, and the thickness of the heat insulation layer 30 is 0.4mm to 6mm. Specifically, the thickness of the substrate 10 can be 0.9mm, 1mm, 2mm, 4mm, 6mm, 8mm, 10mm and 11mm, the thickness of the electric heating layer 20 can be 0.04mm, 0.05mm, 0.1mm, 0.2mm, 0.3mm and 0.4mm, and the thickness of the heat insulation layer 30 can be 0.4mm, 0.5mm, 1mm, 2mm, 3mm, 4mm, 5mm and 6mm. The thickness of the multiple structure layers is still controlled within 2cm, so that the overall thickness of the heating layer structure is thin under the condition of maintaining high power output, and space is saved.
[0034] The above is only a preferred embodiment of the present application, and is not intended to limit the present application. Any modification, equivalent replacement and improvement within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A heating layer structure, characterized by The application relates to an electric heating device, which comprises a substrate, an electric heating layer and a heat insulation layer, the electric heating layer is heated by an external power source, the substrate is arranged above the electric heating layer and used for contacting a material to be heated, and the heat insulation layer is arranged below the electric heating layer and used for reducing heat leakage.
2. The heating layer structure according to claim 1, characterized in that: The electric heating layer is composed of a plurality of basic heating units, and the basic heating units are connected with terminals through positive electrodes and negative electrodes respectively.
3. The heating layer structure according to claim 2, characterized in that: The material of the basic heating unit is graphene glass fiber.
4. The heating layer structure according to any one of claims 1 to 3, characterized in that: A heat conduction layer is arranged between the substrate and the electric heating layer.
5. The heating layer structure according to claim 4, characterized in that: The thickness of the heat conduction layer is 0.04mm to 0.12mm.
6. The heating layer structure of claim 4, wherein: A silica gel layer is arranged between the electric heating layer and the heat insulation layer, and a silica gel layer is also arranged between the electric heating layer and the heat conduction layer.
7. The heating layer structure according to claim 6, characterized in that: The thickness of the silica gel layer is 0.04mm to 0.12mm.
8. The heating layer structure of claim 1, wherein: The material of the substrate is heat-conducting metal or nonmetal.
9. The heating layer structure of claim 1, wherein: The heat insulation layer is made of mica sheet.
10. The heating layer structure of claim 1, wherein: The thickness of the substrate is 0.9mm to 11mm, the thickness of the electric heating layer is 0.04mm to 0.4mm, and the thickness of the heat insulation layer is 0.4mm to 6mm.