WO2022120675A1 - Graphene heating plate having packaging structure - Google Patents

Graphene heating plate having packaging structure Download PDF

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Publication number
WO2022120675A1
WO2022120675A1 PCT/CN2020/135120 CN2020135120W WO2022120675A1 WO 2022120675 A1 WO2022120675 A1 WO 2022120675A1 CN 2020135120 W CN2020135120 W CN 2020135120W WO 2022120675 A1 WO2022120675 A1 WO 2022120675A1
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heating plate
graphene
graphene heating
lead
metal shell
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PCT/CN2020/135120
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French (fr)
Chinese (zh)
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徐冬春
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苏州烯时代材料科技有限公司
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Priority to PCT/CN2020/135120 priority Critical patent/WO2022120675A1/en
Publication of WO2022120675A1 publication Critical patent/WO2022120675A1/en

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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/10—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H05B3/12—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
    • H05B3/14—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • H05B3/34—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
    • H05B3/36—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs heating conductor embedded in insulating material

Definitions

  • the invention relates to the field of graphene heating, in particular to a graphene heating plate with an encapsulation structure.
  • the purpose of the present invention is to solve the problem that the electric heating plate (sheet) in the household electric heating product needs both safe insulation and efficient heat conduction, and at the same time, it also ensures sufficient impact strength, and under the condition of satisfying the performance, the manufacturing cost is reduced, and the appearance size of the product is improved. Minimize, reduce space waste, meet the overall appearance design of the product, solve user pain points in various scenarios, and improve customer satisfaction.
  • the technical scheme adopted in the present invention is:
  • a graphene heating plate with an encapsulation structure is characterized in that, comprising a graphene heating film, an insulating layer, a metal shell and an end cover;
  • the graphene heating film comprises a graphene membrane and is fixedly arranged along the edge of the graphene membrane two electrodes, and one end of each electrode forms the lead end of the electrode at the broad side of the graphene membrane, the insulating layer is fixedly covered on the upper and lower surfaces of the graphene heating film to form a heating plate body, and the metal shell is The thin-walled shell has a flat annular structure in cross section.
  • the heating plate body is sealed and fixed in the inner cavity of the metal shell through the end caps at both ends of the metal shell.
  • the wire outlet groove, the electrode lead-out end passes through the wire outlet groove, and is sealedly connected with the end cover or the metal shell at the wire outlet groove.
  • the insulating layer is mica board or PI film or other insulating materials with good flexibility and thermal conductivity.
  • the outer surface of the metal shell has a graphene coating.
  • the metal shell has a U-shaped structure, a serpentine-shaped structure or a reel-shaped structure.
  • the inner cavity of the metal shell is provided with several layers of heating plate bodies stacked on each other, and two adjacent heating plate bodies can share an insulating layer.
  • the two insulating layers constituting the heating plate body are an integral U-shaped insulating sheet, and the graphene heating film is sandwiched in the U-shaped groove of the insulating sheet.
  • the lead-out ends of the two electrodes are directly led out on the same side of the graphene heating plate or led out in an L-shape.
  • the lead-out ends of the two electrodes are directly led out on opposite sides of the graphene heating plate or led out in an L-shape.
  • the graphene membrane in the graphene heating film is a single-layer structure or a multi-layer composite structure.
  • the invention has simple structure, convenient processing and packaging.
  • the graphene heating film is covered with insulating layers up and down, and then wrapped with a thin-walled metal casing, and the end caps are encapsulated, wherein good insulation and conductive layers are added, and under the same input power, better performance is achieved.
  • the thin-walled metal shell can effectively prevent the impact of external hard objects and puncture the graphene heating film, ensuring the efficient, long-term and stable operation of the graphene heating film.
  • the heating plate (sheet) of the present invention can realize an ultra-thin package design module structure, and at the same time has sufficient flexibility, users can bend and process the packaged heating plate (sheet) into a desired shape according to their own needs to meet the differences It also has a high level of dust and water resistance.
  • the heating plate (sheet) packaging module of the present invention does not need a large number of insulating layers, so that the thickness is much smaller than that of the existing heating plate, and ultra-thin design is realized. More calorific value and strong practicability.
  • FIG. 1 is a schematic diagram of the exploded structure of the heating plate of the present invention.
  • FIG. 2 is a schematic view of the structure of the serpentine heating plate of the present invention.
  • FIG. 3 is a schematic structural diagram of the U-shaped heating plate of the present invention.
  • FIG. 4 is a schematic structural diagram of the reel-shaped heating plate of the present invention.
  • FIG. 5 is a schematic structural diagram 1 of the present invention in which the lead-out ends of the two electrodes are directly led out on the same side of the graphene heating plate.
  • FIG. 6 is a second structural schematic diagram of the present invention in which the two electrode lead-out ends are directly led out on the same side of the graphene heating plate.
  • FIG. 7 is a schematic structural diagram 1 of the present invention, in which the lead-out ends of the two electrodes are led out in an L-shape on the same side of the graphene heating plate.
  • FIG. 8 is a second structural schematic diagram of the L-shaped lead-out of the two electrodes on the same side of the graphene heating plate according to the present invention.
  • FIG. 9 is a schematic structural diagram of the present invention, in which the lead-out ends of the two electrodes are directly led out on opposite sides of the graphene heating plate.
  • FIG. 10 is a schematic structural diagram of the L-shaped lead-out of the two-electrode lead-out ends on opposite sides of the graphene heating plate according to the present invention.
  • a graphene heating plate with an encapsulation structure includes a graphene heating film, an insulating layer 2 , a metal shell 1 and an end cover 5 .
  • the graphene heating film includes a graphene membrane 3 of a single-layer or multi-layer composite structure and two electrodes 4 fixedly arranged along the edge of the graphene membrane 3.
  • the electrodes 4 can be straight strips, L-shaped strips, etc., and each electrode One end of 4 forms the lead-out end 41 of the electrode at the broad side of the graphene membrane 3 .
  • the insulating layer 2 is a mica plate or PI film or other insulating materials with good flexibility and thermal conductivity.
  • the insulating layer 2 is fixedly covered on the upper and lower surfaces of the graphene heating film to form the heating plate body.
  • the cross section of the metal casing 1 is a flat annular structure.
  • the heating plate body is sealed and fixed in the inner cavity of the metal shell 1 through the end caps 5 at both ends of the metal shell 1 .
  • the end cover 5 or the end surface of the metal shell 1 is provided with a wire outlet slot at the corresponding electrode lead-out end 41, and the electrode lead-out end 41 passes through the wire outlet slot, which is convenient for external power connection to realize energization and heating work.
  • the cover 5 or the metal casing 1 is sealed and connected to achieve waterproof function.
  • the metal shell 1 is made of a metal with high tensile strength and surface hardness (such as aluminum alloy, magnesium-aluminum alloy, etc., and is not limited to such metals), and more preferably, the metal shell 1 is a thin-walled shell , so that users can make the metal shell shape into various shapes according to different usage scenarios, such as U-shaped structure, snake-shaped structure or reel-shaped structure as shown in Figure 2-4.
  • the outer surface of the metal casing 1 has a graphene coating.
  • the two insulating layers 2 constituting the heating plate body are a U-shaped insulating sheet, and the graphene heating film is sandwiched in the U-shaped groove of the insulating sheet.
  • the inner cavity of the metal casing 1 is provided with several layers of heating plate bodies stacked on each other, and two adjacent heating plate bodies share an insulating layer.
  • the two electrode lead-out ends 41 on the graphene heating film can be set at different positions according to different usage scenarios.
  • the two electrode lead-out ends 41 are arranged on the same side of the graphene heating plate.
  • the lead-out end of the electrode is directly lead or L-shaped lead.
  • the lead-out ends of the two electrodes are arranged in the middle or at the ends of the opposite sides of the graphene heating plate, and the lead-out ends of the electrodes are directly lead out or L-shaped lead out.
  • the graphene heating plate with encapsulation structure of the present invention solves the problem that the electric heating plate (sheet) in household electric heating products needs both safe insulation and efficient heat conduction.
  • the heating plate (sheet) has sufficient impact strength, and at the same time, it ensures safe insulation and long service life under the condition of meeting product performance. Its manufacturing process is simple, and the modular design of ultra-thin appearance allows the shape to be processed into different special-shaped structures to meet different styles of household electric heating products, while also minimizing product size, making the product appearance miniaturized, reducing manufacturing costs and reducing Waste of space, solve user pain points in various scenarios, and improve customer satisfaction.

Abstract

A graphene heating plate having a packaging structure, comprising a graphene heating film, insulating layers, a metal housing, and end covers. The graphene heating film comprises a graphene film sheet and two electrodes fixedly provided along the edge of the graphene film sheet, and one end of each electrode forms a lead-out end of the electrode at a wide side of the graphene film sheet; the insulating layers fixedly cover the upper and lower surfaces of the graphene heating film to constitute a heating plate body; the metal housing is a thin-wall housing, and the cross section of the metal housing is a flat annular structure; the heating plate body is sealedly packaged and fixed in an inner cavity of the metal housing by means of the end covers at both ends of the metal housing; wire outlet slots are provided at positions on the surfaces of the end cover or the end of the metal housing corresponding to the lead-out ends of the electrodes; the lead-out ends of the electrodes pass through the wire outlet slots, and are sealedly connected to the end cover or the metal housing at the wire outlet slots. The graphene heating plate is safe, insulated, efficient, and thermally conductive, has sufficient impact strength, and is applicable to household electric heating products of different styles.

Description

一种具有封装结构的石墨烯加热板A graphene heating plate with encapsulation structure 技术领域technical field
本发明涉及石墨烯加热领域，具体涉及一种具有封装结构的石墨烯加热板。The invention relates to the field of graphene heating, in particular to a graphene heating plate with an encapsulation structure.
背景技术Background technique
现今，加热功能的家用电器已经非常普及和广泛应用；其能源效率和耐用性逐渐被用户和行业所重视，同时，外观设计小巧简洁也是目前行业内的趋势。Nowadays, household appliances with heating function have become very popular and widely used; their energy efficiency and durability are gradually being valued by users and the industry. At the same time, the compact and concise appearance design is also the current trend in the industry.
目前家用电加热器很多采用电加热丝或PTC加热管加热技术，此类通电加热芯往往温度过高，需要用大量耐高温隔热材料(陶瓷等)进行封装，这势必会降低其热传导效率，能源效率低下，由于长时间内部高温，也是其使用寿命大大降低，同时，大量的耐高温隔热封装材料会提高产品成本，占用大量产品内部空间，导致整个加热器外形尺寸无法小型化设计。At present, many household electric heaters use electric heating wire or PTC heating tube heating technology. Such energized heating cores are often overheated and need to be packaged with a large number of high-temperature heat-resistant insulating materials (ceramics, etc.), which will inevitably reduce their heat conduction efficiency. , Low energy efficiency, due to long-term internal high temperature, its service life is greatly reduced, at the same time, a large number of high-temperature heat-resistant and heat-insulating packaging materials will increase the cost of the product, occupy a large amount of internal space of the product, so that the overall size of the heater cannot be miniaturized.
发明内容SUMMARY OF THE INVENTION
本发明目的在于解决家用电加热产品内部电加热板(片)既要安全绝缘又要高效导热的问题，同时还确保足够抗冲击强度，满足性能的情况下，减少制造成本，使产品外观尺寸最小化，减少空间浪费，满足产品整体外观设计，解决多种场景下用户痛点，提高客户使用满意度。The purpose of the present invention is to solve the problem that the electric heating plate (sheet) in the household electric heating product needs both safe insulation and efficient heat conduction, and at the same time, it also ensures sufficient impact strength, and under the condition of satisfying the performance, the manufacturing cost is reduced, and the appearance size of the product is improved. Minimize, reduce space waste, meet the overall appearance design of the product, solve user pain points in various scenarios, and improve customer satisfaction.
为了达到上述技术效果，本发明采用的技术方案是：In order to achieve above-mentioned technical effect, the technical scheme adopted in the present invention is:
一种具有封装结构的石墨烯加热板，其特征在于，包括石墨烯加热膜、绝缘层、金属外壳和端盖；所述石墨烯加热膜包括石墨烯膜片和沿石墨烯膜片边缘固定设置的两电极，且每一电极的其中一端在石墨烯膜片的宽边处形成电极的引出端，所述绝缘层固定覆盖在石墨烯加热膜的上下表面构成加热板本体，所述金属外壳为薄壁外壳，其横截面为扁环形结构，所述加热板本体通过金属外壳两端的端盖密封封装固定在金属外壳内腔中，端盖或金属外壳端部表面在对应电极引出端处设有出线槽，所述电极引出端穿过出线槽，且在出线槽处与端盖或金属外壳密封连接。A graphene heating plate with an encapsulation structure is characterized in that, comprising a graphene heating film, an insulating layer, a metal shell and an end cover; the graphene heating film comprises a graphene membrane and is fixedly arranged along the edge of the graphene membrane two electrodes, and one end of each electrode forms the lead end of the electrode at the broad side of the graphene membrane, the insulating layer is fixedly covered on the upper and lower surfaces of the graphene heating film to form a heating plate body, and the metal shell is The thin-walled shell has a flat annular structure in cross section. The heating plate body is sealed and fixed in the inner cavity of the metal shell through the end caps at both ends of the metal shell. The wire outlet groove, the electrode lead-out end passes through the wire outlet groove, and is sealedly connected with the end cover or the metal shell at the wire outlet groove.
进一步地，所述绝缘层为云母板或PI膜或其它具有良好柔性和热传导性的绝缘材料。Further, the insulating layer is mica board or PI film or other insulating materials with good flexibility and thermal conductivity.
进一步地，所述金属外壳外表面具有石墨烯涂层。Further, the outer surface of the metal shell has a graphene coating.
进一步地，所述金属外壳为U型结构、蛇形结构或卷盘状结构。Further, the metal shell has a U-shaped structure, a serpentine-shaped structure or a reel-shaped structure.
进一步地，所述金属外壳的内腔中设有若干层相互堆叠的加热板本体，相邻两加热板本 体可共用一绝缘层。Further, the inner cavity of the metal shell is provided with several layers of heating plate bodies stacked on each other, and two adjacent heating plate bodies can share an insulating layer.
进一步地，构成所述加热板本体为的两个绝缘层为一整体的U型绝缘片，所述石墨烯加热膜夹设在绝缘片的U型槽内。Further, the two insulating layers constituting the heating plate body are an integral U-shaped insulating sheet, and the graphene heating film is sandwiched in the U-shaped groove of the insulating sheet.
进一步地，两个所述电极的引出端在石墨烯加热板的同侧直接引出或呈L型引出。Further, the lead-out ends of the two electrodes are directly led out on the same side of the graphene heating plate or led out in an L-shape.
进一步地，两个所述电极的引出端在石墨烯加热板的异侧直接引出或呈L型引出。Further, the lead-out ends of the two electrodes are directly led out on opposite sides of the graphene heating plate or led out in an L-shape.
进一步地，所述石墨烯加热膜中石墨烯膜片为单层结构或多层复合结构。Further, the graphene membrane in the graphene heating film is a single-layer structure or a multi-layer composite structure.
与现有技术相比，本发明的有益效果是：Compared with the prior art, the beneficial effects of the present invention are:
本发明结构简单，加工和封装方便，将石墨烯加热膜上下覆盖绝缘层后用薄壁金属外壳包裹，端盖封装，其中增加良好的绝缘、传导层，在同等的输入功率下，具有更好的热传导效率，满足用户的多种(即热即冷)需求。同时，薄壁金属外壳可以有效防止外界硬物碰撞和穿刺石墨烯加热薄膜，确保石墨烯加热薄膜高效长效稳定的工作运行。The invention has simple structure, convenient processing and packaging. The graphene heating film is covered with insulating layers up and down, and then wrapped with a thin-walled metal casing, and the end caps are encapsulated, wherein good insulation and conductive layers are added, and under the same input power, better performance is achieved. High heat conduction efficiency to meet the various (that is, hot and cold) needs of users. At the same time, the thin-walled metal shell can effectively prevent the impact of external hard objects and puncture the graphene heating film, ensuring the efficient, long-term and stable operation of the graphene heating film.
本发明的加热板(片)可实现超薄的封装设计模块结构，同时具有足够的柔韧性，用户可根据自身需求，将封装后的加热板(片)折弯加工成所需形状，满足差异化功能需求，同时具有高等级的防尘防水等级。The heating plate (sheet) of the present invention can realize an ultra-thin package design module structure, and at the same time has sufficient flexibility, users can bend and process the packaged heating plate (sheet) into a desired shape according to their own needs to meet the differences It also has a high level of dust and water resistance.
本发明的加热板(片)封装模块无需大量绝缘层，使之厚度比现有加热板小很多，实现超薄设计，同等体积下，使用多层该热板(片)封装模块堆叠组合，实现更多的发热量，实用性强。The heating plate (sheet) packaging module of the present invention does not need a large number of insulating layers, so that the thickness is much smaller than that of the existing heating plate, and ultra-thin design is realized. More calorific value and strong practicability.
上述说明仅是本发明技术方案的概述，为了能够更清楚了解本发明的技术手段，而可依照说明书的内容予以实施，并且为了让本发明的上述和其他目的、特征和优点能够更明显易懂，下面结合附图和实施例对本发明做进一步详细说明，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。The above description is only an overview of the technical solution of the present invention, in order to be able to understand the technical means of the present invention more clearly, it can be implemented according to the content of the description, and in order to make the above and other objects, features and advantages of the present invention more obvious and easy to understand , the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. Obviously, the described embodiments are a part of the embodiments of the present invention, not all of the embodiments.
附图说明Description of drawings
图1为本发明加热板的分解结构示意图。FIG. 1 is a schematic diagram of the exploded structure of the heating plate of the present invention.
图2为本发明蛇形加热板结构示意图。FIG. 2 is a schematic view of the structure of the serpentine heating plate of the present invention.
图3为本发明U型加热板结构示意图。3 is a schematic structural diagram of the U-shaped heating plate of the present invention.
图4为本发明卷盘状加热板结构示意图。FIG. 4 is a schematic structural diagram of the reel-shaped heating plate of the present invention.
图5为本发明两电极引出端在石墨烯加热板的同侧直接引出的结构示意图一。FIG. 5 is a schematic structural diagram 1 of the present invention in which the lead-out ends of the two electrodes are directly led out on the same side of the graphene heating plate.
图6为本发明两电极引出端在石墨烯加热板的同侧直接引出的结构示意图二。FIG. 6 is a second structural schematic diagram of the present invention in which the two electrode lead-out ends are directly led out on the same side of the graphene heating plate.
图7为本发明两电极引出端在石墨烯加热板的同侧L型引出的结构示意图一。FIG. 7 is a schematic structural diagram 1 of the present invention, in which the lead-out ends of the two electrodes are led out in an L-shape on the same side of the graphene heating plate.
图8为本发明两电极引出端在石墨烯加热板的同侧L型引出的结构示意图二。FIG. 8 is a second structural schematic diagram of the L-shaped lead-out of the two electrodes on the same side of the graphene heating plate according to the present invention.
图9为本发明两电极引出端在石墨烯加热板的异侧直接引出的结构示意图。FIG. 9 is a schematic structural diagram of the present invention, in which the lead-out ends of the two electrodes are directly led out on opposite sides of the graphene heating plate.
图10为本发明两电极引出端在石墨烯加热板的异侧L型引出的结构示意图。FIG. 10 is a schematic structural diagram of the L-shaped lead-out of the two-electrode lead-out ends on opposite sides of the graphene heating plate according to the present invention.
图中各标号和对应的名称为：The labels and corresponding names in the figure are:
1.金属外壳，2.绝缘层，3.石墨烯膜片，4.电极，41.引出端，5.端盖。1. Metal shell, 2. Insulation layer, 3. Graphene diaphragm, 4. Electrode, 41. Lead-out terminal, 5. End cap.
具体实施方式Detailed ways
一种具有封装结构的石墨烯加热板，如图1所示，其包括石墨烯加热膜、绝缘层2、金属外壳1和端盖5。其中，石墨烯加热膜包括单层或多层复合结构的石墨烯膜片3以及沿石墨烯膜片3边缘固定设置的两电极4，电极4可为直条、L型条等，每一电极4的其中一端在石墨烯膜片3的宽边处形成电极的引出端41。绝缘层2为云母板或PI膜或其它具有良好柔性和热传导性的绝缘材料，绝缘层2固定覆盖在石墨烯加热膜的上下表面构成加热板本体。金属外壳1横截面为扁环形结构。加热板本体通过金属外壳1两端的端盖5密封封装固定在金属外壳1内腔中。端盖5或金属外壳1端部表面在对应电极引出端41处设有出线槽，电极引出端41穿过出线槽，方便外部接电实现通电加热工作，电极引出端41在出线槽处与端盖5或金属外壳1密封连接，达到防水功能。A graphene heating plate with an encapsulation structure, as shown in FIG. 1 , includes a graphene heating film, an insulating layer 2 , a metal shell 1 and an end cover 5 . Wherein, the graphene heating film includes a graphene membrane 3 of a single-layer or multi-layer composite structure and two electrodes 4 fixedly arranged along the edge of the graphene membrane 3. The electrodes 4 can be straight strips, L-shaped strips, etc., and each electrode One end of 4 forms the lead-out end 41 of the electrode at the broad side of the graphene membrane 3 . The insulating layer 2 is a mica plate or PI film or other insulating materials with good flexibility and thermal conductivity. The insulating layer 2 is fixedly covered on the upper and lower surfaces of the graphene heating film to form the heating plate body. The cross section of the metal casing 1 is a flat annular structure. The heating plate body is sealed and fixed in the inner cavity of the metal shell 1 through the end caps 5 at both ends of the metal shell 1 . The end cover 5 or the end surface of the metal shell 1 is provided with a wire outlet slot at the corresponding electrode lead-out end 41, and the electrode lead-out end 41 passes through the wire outlet slot, which is convenient for external power connection to realize energization and heating work. The cover 5 or the metal casing 1 is sealed and connected to achieve waterproof function.
作为优选，金属外壳1为具有高的抗拉强度和表面硬度的金属(如铝合金，镁铝合金等，且不限于此类金属)加工而成，更为优选，金属外壳1采用薄壁外壳，这样用户可根据不同的使用场景，将金属外壳外形制作成多种形状，如图2-4所示的U型结构、蛇形结构或卷盘状结构。此外，为了增加热传递效率，金属外壳1外表面具有石墨烯涂层。Preferably, the metal shell 1 is made of a metal with high tensile strength and surface hardness (such as aluminum alloy, magnesium-aluminum alloy, etc., and is not limited to such metals), and more preferably, the metal shell 1 is a thin-walled shell , so that users can make the metal shell shape into various shapes according to different usage scenarios, such as U-shaped structure, snake-shaped structure or reel-shaped structure as shown in Figure 2-4. In addition, in order to increase the heat transfer efficiency, the outer surface of the metal casing 1 has a graphene coating.
作为优选，构成加热板本体为的两个绝缘层2为一U型绝缘片，石墨烯加热膜夹设在绝缘片的U型槽内。更为优选，金属外壳1的内腔中设有若干层相互堆叠的加热板本体，相邻两加热板本体共用一绝缘层。Preferably, the two insulating layers 2 constituting the heating plate body are a U-shaped insulating sheet, and the graphene heating film is sandwiched in the U-shaped groove of the insulating sheet. More preferably, the inner cavity of the metal casing 1 is provided with several layers of heating plate bodies stacked on each other, and two adjacent heating plate bodies share an insulating layer.
作为优选，石墨烯加热膜上的两个电极引出端41根据不同使用场景可以设置在不同位置，如图5-8所示，两个电极的引出端41设置在石墨烯加热板的同侧的端部或中间等位置，电极的引出端为直接引出或呈L型引出。如图9、10所示，两个电极的引出端设置在石墨烯加热板的异侧的中间或端部，电极的引出端为直接引出或呈L型引出。Preferably, the two electrode lead-out ends 41 on the graphene heating film can be set at different positions according to different usage scenarios. As shown in Figure 5-8, the two electrode lead-out ends 41 are arranged on the same side of the graphene heating plate. At positions such as the end or the middle, the lead-out end of the electrode is directly lead or L-shaped lead. As shown in Figures 9 and 10, the lead-out ends of the two electrodes are arranged in the middle or at the ends of the opposite sides of the graphene heating plate, and the lead-out ends of the electrodes are directly lead out or L-shaped lead out.
总之，本发明具有封装结构的石墨烯加热板解决了家用电加热产品内部电加热板(片)既要安全绝缘又要高效导热的问题，通过巧妙的石墨烯加热片封装结构，使封装后的加热板(片)具有足够的抗冲击强度，同时在满足产品性能的情况下，确保安全绝缘和较长的使用寿命。其制造工艺简单，超薄外观的模块化设计，使得外形可以加工成不同异形结构，满足不同式样的家用电加热产品，同时还最小化产品尺寸，使产品外观小型化，减少制造成本，减少空 间浪费，解决多种场景下用户痛点，提高客户使用满意度。In a word, the graphene heating plate with encapsulation structure of the present invention solves the problem that the electric heating plate (sheet) in household electric heating products needs both safe insulation and efficient heat conduction. The heating plate (sheet) has sufficient impact strength, and at the same time, it ensures safe insulation and long service life under the condition of meeting product performance. Its manufacturing process is simple, and the modular design of ultra-thin appearance allows the shape to be processed into different special-shaped structures to meet different styles of household electric heating products, while also minimizing product size, making the product appearance miniaturized, reducing manufacturing costs and reducing Waste of space, solve user pain points in various scenarios, and improve customer satisfaction.
本发明不局限于上述具体的实施方式，对于本领域的普通技术人员来说从上述构思出发，不经过创造性的劳动，所作出的种种变换，均落在本发明的保护范围之内。The present invention is not limited to the above-mentioned specific embodiments. For those of ordinary skill in the art, starting from the above-mentioned concept and without creative work, various transformations made all fall within the protection scope of the present invention.

Claims (9)

  1. 一种具有封装结构的石墨烯加热板，其特征在于，包括石墨烯加热膜、绝缘层、金属外壳和端盖；所述石墨烯加热膜包括石墨烯膜片和沿石墨烯膜片边缘固定设置的两电极，且每一电极的其中一端在石墨烯膜片的宽边处形成电极的引出端，所述绝缘层固定覆盖在石墨烯加热膜的上下表面构成加热板本体，所述金属外壳为薄壁外壳，其横截面为扁环形结构，所述加热板本体通过金属外壳两端的端盖密封封装固定在金属外壳内腔中，端盖或金属外壳端部表面在对应电极引出端处设有出线槽，所述电极引出端穿过出线槽，且在出线槽处与端盖或金属外壳密封连接。A graphene heating plate with an encapsulation structure is characterized in that, comprising a graphene heating film, an insulating layer, a metal shell and an end cover; the graphene heating film comprises a graphene membrane and is fixedly arranged along the edge of the graphene membrane two electrodes, and one end of each electrode forms the lead end of the electrode at the broad side of the graphene membrane, the insulating layer is fixedly covered on the upper and lower surfaces of the graphene heating film to form a heating plate body, and the metal shell is The thin-walled shell has a flat annular structure in cross section. The heating plate body is sealed and fixed in the inner cavity of the metal shell through the end caps at both ends of the metal shell. The wire outlet groove, the electrode lead-out end passes through the wire outlet groove, and is sealedly connected with the end cover or the metal shell at the wire outlet groove.
  2. 根据权利要求1所述的一种具有封装结构的石墨烯加热板，其特征在于，所述绝缘层为云母板或PI膜。The graphene heating plate with encapsulation structure according to claim 1, wherein the insulating layer is a mica plate or a PI film.
  3. 根据权利要求1所述的一种具有封装结构的石墨烯加热板，其特征在于，所述金属外壳外表面具有石墨烯涂层。The graphene heating plate with an encapsulation structure according to claim 1, wherein the outer surface of the metal shell has a graphene coating.
  4. 根据权利要求1所述的一种具有封装结构的石墨烯加热板，其特征在于，所述金属外壳为U型、蛇形结构或卷盘状结构。The graphene heating plate with encapsulation structure according to claim 1, wherein the metal shell is a U-shaped, serpentine-shaped structure or a reel-shaped structure.
  5. 根据权利要求1所述的一种具有封装结构的石墨烯加热板，其特征在于，所述金属外壳的内腔中设有若干层相互堆叠的加热板本体，相邻两加热板本体可共用一绝缘层。A graphene heating plate with a packaging structure according to claim 1, wherein several layers of heating plate bodies stacked on each other are arranged in the inner cavity of the metal shell, and two adjacent heating plate bodies can share one Insulation.
  6. 根据权利要求1所述的一种具有封装结构的石墨烯加热板，其特征在于，构成所述加热板本体为的两个绝缘层为一整体的U型绝缘片，所述石墨烯加热膜夹设在绝缘片的U型槽内。A graphene heating plate with encapsulation structure according to claim 1, characterized in that, the two insulating layers constituting the heating plate body are a U-shaped insulating sheet as a whole, and the graphene heating film clamps Set in the U-shaped groove of the insulating sheet.
  7. 根据权利要求1所述的一种具有封装结构的石墨烯加热板，其特征在于，两个所述电极的引出端在石墨烯加热板的同侧直接引出或呈L型引出。The graphene heating plate with a package structure according to claim 1, wherein the lead-out ends of the two electrodes are directly led out on the same side of the graphene heating plate or lead out in an L-shape.
  8. 根据权利要求1所述的一种具有封装结构的石墨烯加热板，其特征在于，两个所述电极的引出端在石墨烯加热板的异侧直接引出或呈L型引出。A graphene heating plate with a package structure according to claim 1, characterized in that, the lead ends of the two electrodes are directly drawn out or L-shaped on opposite sides of the graphene heating plate.
  9. 根据权利要求1所述的一种具有封装结构的石墨烯加热板，其特征在于，所述石墨烯加热膜中石墨烯膜片为单层结构或多层复合结构。The graphene heating plate with a packaging structure according to claim 1, wherein the graphene membrane in the graphene heating film is a single-layer structure or a multi-layer composite structure.
PCT/CN2020/135120 2020-12-10 2020-12-10 Graphene heating plate having packaging structure WO2022120675A1 (en)

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US20090277897A1 (en) * 2008-05-07 2009-11-12 Nanocomp Technologies, Inc. Nanostructure-based heating devices and methods of use
CN104219797A (en) * 2014-09-10 2014-12-17 浙江碳谷上希材料科技有限公司 Graphene electrothermal film
US20160379740A1 (en) * 2010-11-17 2016-12-29 Battelle Memorial Institute Carbon Nanotube Thin Film Laminate Resistive Heater
CN109413773A (en) * 2017-08-18 2019-03-01 王敏 A kind of production method of graphene Electric radiant Heating Film (electric hot plate) electric heating a heatable brick bed plate
CN109874187A (en) * 2019-01-29 2019-06-11 鸿纳（东莞）新材料科技有限公司 A kind of graphene heating film and its compounding method

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090277897A1 (en) * 2008-05-07 2009-11-12 Nanocomp Technologies, Inc. Nanostructure-based heating devices and methods of use
US20160379740A1 (en) * 2010-11-17 2016-12-29 Battelle Memorial Institute Carbon Nanotube Thin Film Laminate Resistive Heater
CN104219797A (en) * 2014-09-10 2014-12-17 浙江碳谷上希材料科技有限公司 Graphene electrothermal film
CN109413773A (en) * 2017-08-18 2019-03-01 王敏 A kind of production method of graphene Electric radiant Heating Film (electric hot plate) electric heating a heatable brick bed plate
CN109874187A (en) * 2019-01-29 2019-06-11 鸿纳（东莞）新材料科技有限公司 A kind of graphene heating film and its compounding method

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