An electric blanket with a waterproof and breathable composite layer structure
By designing a waterproof and breathable composite layer structure, the problems of poor waterproof and breathable properties, uneven heating, and low safety of electric blankets are solved, achieving a safe and comfortable user experience and efficient energy utilization.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIAXING SHIHUAN ELECTRIC CO LTD
- Filing Date
- 2025-08-08
- Publication Date
- 2026-06-30
AI Technical Summary
Existing electric blankets lack waterproof and breathable properties, resulting in a high risk of short circuits, discomfort and low safety, uneven heat distribution, and low energy efficiency.
It adopts a waterproof and breathable composite layer structure, including a surface layer, a thermally conductive layer, a heating layer, a thermal insulation layer, and a bottom layer. It utilizes polymer waterproof and breathable materials, graphene thermally conductive materials, and aerogel thermal insulation materials, combined with a wear-resistant closed-loop design, to ensure waterproofing, breathability, uniform heating, and efficient thermal insulation.
It achieves waterproof, breathable, and uniform heating, improving safety and comfort, reducing short-circuit risk and energy consumption, and extending service life.
Smart Images
Figure CN224439215U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of electric blanket technology, specifically to an electric blanket with a waterproof and breathable composite layer structure. Background Technology
[0002] Existing electric blanket products typically focus only on the single function of heating, neglecting the user's needs for comfort and safety during use.
[0003] Traditional electric blankets have a relatively simple structure, often consisting of a single layer of heating elements. They are usually not waterproof, and once water seeps in, they can easily cause short circuits, damaging the blanket and posing a risk of electric shock to the user. Traditional electric blankets are mostly made of non-breathable materials, making it difficult for heat to dissipate and creating a stuffy environment around the body, causing discomfort and affecting sleep quality. Furthermore, the distribution of heating elements and the way heat is conducted are flawed, making it prone to localized overheating. This can not only damage the blanket itself but also cause burns to the user.
[0004] Therefore, there is an urgent need for an electric blanket with a waterproof and breathable composite layer structure to solve the problems of poor waterproof and breathable properties, uneven heating, low safety, and low energy efficiency of traditional electric blankets. Utility Model Content
[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing an electric blanket with a waterproof and breathable composite layer structure.
[0006] To achieve the above objectives, the present invention adopts the following technical solution: an electric blanket with a waterproof and breathable composite layer structure, comprising a main body, an upper surface layer provided on the main body, a lower surface of the surface layer being connected to the upper surface of a heat-conducting layer by hot melt adhesive, a lower surface of the heat-conducting layer being connected to the upper surface of a heating layer by heat-conducting silicone, a lower surface of the heating layer being connected to the upper surface of a heat-insulating layer by hot melt adhesive, a lower surface of the heat-insulating layer being connected to the upper surface of a bottom layer by hot melt adhesive, and a closed ring being sewn around the main body.
[0007] As a further description of the above technical solution:
[0008] The closed ring is made of ultra-high molecular weight polyethylene, which is used for wear resistance and impact resistance. A power supply hole is also provided on one side of the closed ring, which penetrates the closed ring and the insulating layer to connect the heat-conducting substrate.
[0009] As a further description of the above technical solution:
[0010] The surface layer is a waterproof textile fabric made of PTFE membrane and cloth, which is used to prevent moisture from penetrating and maintain breathability.
[0011] As a further description of the above technical solution:
[0012] The thermally conductive layer is made of graphene and is used to conduct heat from the heating layer to the surface, preventing localized overheating.
[0013] As a further description of the above technical solution:
[0014] The heating layer includes an insulating layer, a graphene heating film, a heating element, and a thermally conductive substrate. The insulating layer is disposed on the outermost layer to connect the thermally conductive layer and the insulating layer. The heating element is disposed in the middle inside the insulating layer. The thermally conductive substrate is disposed around the heating element. The graphene heating film is disposed above and below the thermally conductive substrate. The insulating layer is made of ceramic fiber paper to insulate and protect the heating element. The graphene heating film is made of graphene. The thermally conductive substrate is an aluminum-based material composed of aluminum, ceramic particles, and carbon fibers to connect the heating element and the graphene heating film.
[0015] As a further description of the above technical solution:
[0016] The insulation layer is made of aerogel material to prevent heat from dissipating downwards.
[0017] As a further description of the above technical solution:
[0018] The bottom layer is a waterproof textile fabric made of PTFE membrane and cloth, which works in conjunction with the top layer for waterproofing.
[0019] This utility model has the following beneficial effects:
[0020] First, the waterproof textile fabric, composed of a PTFE membrane and a base layer of high-polymer waterproof and breathable material, achieves a dual effect of waterproofing and breathability. This material can effectively prevent water penetration and avoid short circuits and damage when exposed to water, greatly improving the safety of use. At the same time, its good breathability ensures air circulation during the use of the electric blanket, avoiding the stuffy feeling caused by the lack of breathability of traditional electric blankets.
[0021] The graphene material in the heat-conducting layer has excellent thermal conductivity, which can quickly conduct the heat generated by the heating layer to the surface, ensuring the overall heating efficiency of the electric blanket. The uniform thermal conductivity of graphene effectively avoids the local overheating of traditional electric blankets, making the temperature distribution of the electric blanket more uniform, improving the safety of use, and reducing the risk of burns caused by excessive local temperature.
[0022] Second, the insulation layer inside the heating layer is made of ceramic fiber paper. Compared with traditional insulation materials, ceramic fiber paper has better insulation performance, which can better protect the heating element, prevent leakage, and improve the safety of use. The combination of graphene heating film and aluminum-based thermal conductive substrate improves heating efficiency, allowing the electric blanket to reach the set temperature more quickly, and ensures uniform heat conduction, avoiding local heat accumulation.
[0023] Aerogel material in the insulation layer is a highly efficient insulation material that can effectively prevent heat from dissipating downwards. This not only reduces energy loss and improves energy utilization, but also makes the heat of the electric blanket more concentrated at the top, providing users with a warmer and more comfortable experience and solving the problems of rapid heat loss and poor heat preservation. Attached Figure Description
[0024] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0025] Figure 2 This is a schematic diagram of the internal structure of the present invention;
[0026] Figure 3 This is a schematic diagram of the heating layer structure of this utility model;
[0027] Figure 4 This is an overall sectional view of the present invention;
[0028] Figure 5 This is a schematic diagram of the materials used in this utility model.
[0029] Legend:
[0030] 1. Main body; 2. Closed ring; 3. Power supply hole; 4. Surface layer; 5. Thermally conductive layer; 6. Heating layer; 7. Thermal insulation layer; 8. Bottom layer; 601. Insulating layer; 602. Graphene heating film; 603. Heating element; 604. Thermally conductive substrate. Detailed Implementation
[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0032] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. The utility model will be further described in detail below with reference to the accompanying drawings.
[0033] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0034] Example 1:
[0035] like Figures 1 to 5 As shown, this embodiment provides an electric blanket with a waterproof and breathable composite layer structure, comprising: a main body 1, a surface layer 4 on the upper layer of the main body 1, the lower surface of the surface layer 4 being connected to the upper surface of a heat-conducting layer 5 by hot melt adhesive, the lower surface of the heat-conducting layer 5 being connected to the upper surface of a heating layer 6 by heat-conducting silicone, the lower surface of the heating layer 6 being connected to the upper surface of a heat insulation layer 7 by hot melt adhesive, the lower surface of the heat insulation layer 7 being connected to the upper surface of a bottom layer 8 by hot melt adhesive, and a closed ring 2 sewn around the main body 1.
[0036] In this embodiment, the top layer 4, the bottom layer 8, and the heating layer 6 constitute an electric blanket with a waterproof and breathable composite layer structure as described in this application.
[0037] Specifically, the closed ring 2 is made of ultra-high molecular weight polyethylene, which is used for wear resistance and impact resistance. A power supply hole 3 is also provided on one side of the closed ring 2. The power supply hole 3 passes through the closed ring 2 and the insulating layer 601 and connects to the heat-conducting substrate 604.
[0038] In this embodiment, the sealing ring 2 is annular and made of ultra-high molecular weight polyethylene. A circular power hole 3 is provided on one side. The properties of ultra-high molecular weight polyethylene make the sealing ring 2 wear-resistant and impact-resistant. The power hole 3 provides a channel for power connection, protects the edge of the electric blanket, and facilitates power access. After the copper wire of the power cord is connected to the heating element 603, it is clamped with a connecting terminal. The connecting terminal is clamped with a tool to make the copper wire, conductive connection layer and connecting terminal in close contact to form a firm electrical connection. To enhance the insulation and protection of the connection, heat shrink tubing is also put on the outside. Heating causes the heat shrink tubing to shrink and tightly cover the connection to prevent leakage and damage to the connection from external objects.
[0039] Specifically, the surface layer 4 is a waterproof textile fabric made of PTFE membrane and cloth, which is used to prevent moisture from penetrating and maintain breathability.
[0040] As a preferred implementation, the outer layer 4 is a rectangular waterproof textile fabric composed of a PTFE membrane and a cloth. The microporous structure of the PTFE membrane prevents moisture from penetrating while allowing air to pass through, thus preventing moisture from entering the electric blanket and keeping the usage environment breathable and dry.
[0041] Example 2:
[0042] A heat-conducting layer 5 is provided based on Example 1.
[0043] Specifically, the thermally conductive layer 5 is made of graphene and is used to conduct heat from the heating layer 6 to the surface layer 4, thus preventing local overheating.
[0044] In this embodiment, the graphene in the heat-conducting layer 5 has high thermal conductivity, which evenly conducts the heat generated by the heating layer 6 to the surface layer 4, avoiding local overheating of the electric blanket surface and making the heat distribution more uniform.
[0045] Specifically, the heating layer 6 includes an insulating layer 601, a graphene heating film 602, a heating element 603, and a thermally conductive substrate 604. The insulating layer 601 is disposed on the outermost layer to connect the thermally conductive layer 5 and the heat insulation layer 7. The heating element 603 is disposed in the middle inside the insulating layer 601. The thermally conductive substrate 604 is disposed around the heating element 603. The graphene heating film 602 is disposed above and below the thermally conductive substrate 604. The insulating layer 601 is made of ceramic fiber paper to insulate and protect the heating element 603. The graphene heating film 602 is made of graphene heating film 602. The thermally conductive substrate 604 is an aluminum-based material composed of aluminum, ceramic particles, and carbon fibers to connect the heating element 603 and the graphene heating film 602.
[0046] With this configuration, the heating element 603 generates heat when energized, and the heat-conducting substrate 604 transfers the heat to the graphene heating film 602, which then diffuses the heat. The insulating layer 601 isolates the current, achieving stable heating and ensuring electrical safety. Temperature sensors (not shown in the figure) are also installed inside the heating layer 6, typically distributed in different locations to accurately monitor the overall temperature of the heating layer. Overheat protection devices (not shown in the figure) are usually installed at the power input terminal or critical parts of the heating layer 6. The temperature sensor is generally connected to the heating element 603 of the heating layer via a wire. One end of the wire is connected to the electrode of the temperature sensor, and the other end is soldered to the heating element 603 or connected via a plug-in terminal. The temperature signal collected by the temperature sensor is transmitted to the temperature controller. Overheat protection devices, such as fuses or thermal fuses, are usually connected in series in the power line or the circuit of the heating element. When the temperature exceeds its set value, the fuse or thermal fuse will automatically melt, cutting off the circuit and providing overheat protection.
[0047] Example 3:
[0048] A heat insulation layer 7 is provided based on Example 2.
[0049] Specifically, the heat insulation layer 7 is made of aerogel material to prevent heat from dissipating downwards.
[0050] Among them, the heat insulation layer 7 is a rectangular aerogel material. The porous structure of the aerogel material effectively prevents heat from being transferred downwards, reduces heat loss downwards, improves heat utilization, and makes the heat on the upper surface of the electric blanket more concentrated.
[0051] Specifically, the bottom layer 8 is a waterproof textile fabric made of PTFE membrane and cloth, which works in conjunction with the top layer 4 for waterproofing.
[0052] In this embodiment, the bottom layer 8 is a waterproof textile fabric composed of a PTFE membrane and a cloth, which works in conjunction with the waterproof textile fabric of the top layer 4 to block moisture from entering from both the top and bottom, thereby enhancing the waterproof performance of the electric blanket in all aspects and protecting the internal structure.
[0053] In actual use, the power port 3 is located on one side of the closed ring 2, passing through the closed ring 2 and the insulation layer 601 and connecting to the heating element 603. After the power cord is connected to the heating element 603 and then connected to an external power source, the thermally conductive substrate 604 is used to connect the heating element 603 and the graphene heating film 602. The heating element 603 heats the graphene heating film 602 through the thermally conductive substrate 604. The heat generated by the heating element 603 is first absorbed by the surrounding thermally conductive substrate 604. The thermally conductive substrate 604 is made of an aluminum-based material composed of aluminum, ceramic particles, and carbon fibers, which has good thermal conductivity and can quickly conduct and disperse heat to the entire heating layer 6. The heat is transferred to the thermally conductive layer 5 on the heating layer 6. The thermally conductive layer 5 is made of graphene, which has a high thermal conductivity and can evenly conduct heat to the surface layer 4, avoiding local overheating and ensuring the surface of the electric blanket is heated. The surface temperature is uniform. The insulation layer 7, located below the heating layer 6, is made of aerogel composite material to prevent heat from dissipating downwards from the electric blanket, reducing heat loss and improving insulation performance. It also reduces energy consumption below the electric blanket. The surface layer 4 and the bottom layer 8 are made of waterproof textile fabric composed of PTFE membrane and cloth, which can prevent moisture from seeping into the electric blanket while maintaining good breathability, making the user feel comfortable during use. The sealing ring 2 is made of ultra-high molecular weight polyethylene, which has wear resistance, impact resistance and good sealing performance. It is fixed around the electric blanket body 1 by sewing to form a sealed structure, which can effectively prevent moisture, dust and other external debris from entering the interior from the edge of the electric blanket. It protects the internal heating element 603, heat conducting layer 5 and insulation layer 7, and extends the service life of the electric blanket.
[0054] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. An electric blanket having a waterproof and vapor permeable composite layer structure, characterized by: The main body (1) includes a surface layer (4) on its upper part. The lower surface of the surface layer (4) is connected to the upper surface of the heat-conducting layer (5) by hot melt adhesive. The lower surface of the heat-conducting layer (5) is connected to the upper surface of the heating layer (6) by heat-conducting silicone. The lower surface of the heating layer (6) is connected to the upper surface of the heat insulation layer (7) by hot melt adhesive. The lower surface of the heat insulation layer (7) is connected to the upper surface of the bottom layer (8) by hot melt adhesive. A closed ring (2) is sewn around the main body (1).
2. The electric blanket with a waterproof and breathable composite layer structure according to claim 1, characterized in that: The closed ring (2) is made of ultra-high molecular weight polyethylene, which is used for wear resistance and impact resistance. A power supply hole (3) is also provided on one side of the closed ring (2). The power supply hole (3) passes through the closed ring (2) and the insulating layer (601) and connects to the heat-conducting substrate (604).
3. The electric blanket with a waterproof and breathable composite layer structure according to claim 2, characterized in that: The surface layer (4) is a waterproof textile fabric made of PTFE membrane and cloth, which is used to prevent water penetration and maintain breathability.
4. An electric blanket with a waterproof and breathable composite layer structure according to claim 3, characterized in that: The heat-conducting layer (5) is made of graphene and is used to conduct heat from the heating layer (6) to the surface layer (4) to avoid local overheating.
5. An electric blanket with a waterproof and breathable composite layer structure according to claim 4, characterized in that: The heating layer (6) includes an insulating layer (601), a graphene heating film (602), a heating element (603), and a thermally conductive substrate (604). The insulating layer (601) is disposed on the outermost layer to connect the thermally conductive layer (5) and the heat insulation layer (7). The heating element (603) is disposed in the middle inside the insulating layer (601). The thermally conductive substrate (604) is disposed around the heating element (603). The graphene heating film (602) is disposed above and below the thermally conductive substrate (604). The insulating layer (601) is made of ceramic fiber paper to insulate and protect the heating element (603). The graphene heating film (602) is made of graphene heating film (602). The thermally conductive substrate (604) is an aluminum-based material composed of aluminum, ceramic particles, and carbon fibers to connect the heating element (603) and the graphene heating film (602).
6. An electric blanket with a waterproof and breathable composite layer structure according to claim 5, characterized in that: The heat insulation layer (7) is made of aerogel material to prevent heat from dissipating downwards.
7. An electric blanket with a waterproof and breathable composite layer structure according to claim 6, characterized in that: The bottom layer (8) is a waterproof textile fabric made of PTFE membrane and cloth, which works in conjunction with the top layer (4) for waterproofing.