Carbon nanotube electric blanket

Abstract

The utility model belongs to the technical field of heating blankets, and discloses a carbon nanotube electric blanket, which comprises an upper protective layer, an upper thermal insulation layer, a heating layer, a lower thermal insulation layer and a lower protective layer which are laminated from top to bottom, the heating layer comprises a heating unit layer consisting of a plurality of carbon nanotube films and a conductive layer; and the plurality of carbon nanotube films are arranged on the surface of one side of the conductive layer and are electrically connected with the conductive layer. The electric blanket adopts the carbon nanotube film as a heating material, and has the characteristics of environmental protection, far infrared heating, lightness, thinness, no foreign body sensation, high safety and the like. Compared with a traditional electric heating material, harmful substances are not released, and a healthy heating environment is provided. The far infrared function can promote blood circulation and enhance metabolism. The electric blanket is light and thin in design, almost has no foreign body sensation, and improves comfort. In addition, the carbon nanotube film is stable and resistant to high temperature, an intelligent temperature control system is arranged, and use safety is ensured.

Description

Technical Field

[0001] The utility model discloses a carbon nanotube electric heating blanket, belonging to the technical field of heating blankets. Background Art

[0002] As a common heating device, electric blankets have been widely used in homes and hotels, providing people with a warm and comfortable sleeping environment in cold seasons. Traditional electric blankets usually use materials such as metal wire or carbon fiber as the heating core. These materials ensure the heating effect of electric blankets with their good electrical conductivity and thermal conductivity. However, with the improvement of people's living standards and the development of science and technology, traditional electric blankets can no longer meet the diversified needs of modern families for heating equipment due to their heavy weight, limited usage scenarios, strong foreign body sensation, slow heating rate, and poor safety of 220V high voltage. Therefore, seeking lighter, more efficient and safer heating materials has become an important direction for the development of the electric blanket industry.

[0003] As an emerging product in the electric blanket industry, graphene electric blankets have gradually attracted the attention of consumers for their unique far-infrared heating and soft and light characteristics. Graphene is a new type of two-dimensional carbon nanomaterial, known for its ultra-high electrical conductivity, thermal conductivity and excellent flexibility. When graphene is used in the heating core of an electric blanket, it can not only generate heat quickly and evenly, but also achieve far-infrared radiation heating, making the warmth felt by the human body more comfortable and natural. In addition, graphene electric blankets are also soft and light, which greatly improves the comfort and portability of use.

[0004] Although graphene electric blankets have many advantages, there are also some problems in practical applications. First, the heating core of the graphene electric blanket is doped with a lot of resin materials, which are prone to aging, deformation and even burning in high temperature environments, thus affecting the product's service life and heating effect. Secondly, there is currently a lack of sufficient research and verification on the safety of resin materials used in long-term heating environments and their impact on human health. Summary of the invention

[0005] The utility model solves the problems of the existing electric blanket, such as heavy weight, limited use scenarios, strong foreign body sensation, slow heating rate, poor 220V high voltage safety, etc., overcomes the shortcomings of the prior art, and proposes a carbon nanotube electric blanket, including an upper protective layer, an upper thermal insulation layer, a heating layer, a lower thermal insulation layer and a lower protective layer stacked from top to bottom;

[0006] The heating layer includes a heating unit layer composed of multiple carbon nanotube films and a conductive layer;

[0007] The plurality of carbon nanotube films are arranged on one side surface of the conductive layer and are electrically connected to the conductive layer.

[0008] Preferably, the heating layer further comprises two packaging layers and two adhesive film layers;

[0009] The two encapsulation layers are respectively arranged on the two side surfaces of the heating unit layer;

[0010] Each of the adhesive film layers is respectively arranged between the heating unit layer and the packaging layer.

[0011] Preferably, the heating layer is an integrated pressed structure.

[0012] Preferably, it also includes a temperature measuring device and a temperature controller;

[0013] The temperature measuring device is arranged on the surface of the carbon nanotube film and connected to the temperature controller;

[0014] The temperature controller is electrically connected to the conductive layer.

[0015] Preferably, the temperature measuring device is a thermistor.

[0016] Preferably, it also includes two layers of TPU film;

[0017] Each TPU film layer is arranged between the protective layer and the thermal insulation layer.

[0018] Preferably, the upper protective layer and the lower protective layer are made of flexible fabric.

[0019] Preferably, the conductive layer is composed of two copper foils respectively arranged at two ends of the multiple carbon nanotube films.

[0020] Preferably, the plurality of carbon nanotube films are bonded to the copper foil by conductive silver paste.

[0021] Preferably, the electric blanket is an integrated pressed structure.

[0022] Beneficial effects: The electric blanket of the utility model adopts carbon nanotube film as heating material, which has the following characteristics compared with the prior art:

[0023] Green and environmentally friendly: Due to the use of carbon nanotube film, the electric blanket embodies the concept of green environmental protection during use. Compared with traditional electric heating materials, carbon nanotube film does not release harmful substances during use, providing users with a healthy and pollution-free heating environment.

[0024] Far-infrared heating function: The unique physical properties of carbon nanotube film enable it to have excellent far-infrared heating function. Far-infrared light waves can penetrate into human tissues, promote blood circulation, enhance metabolism, and provide users with a more comfortable and healthy heating experience.

[0025] Lightweight and no foreign body feeling: Thanks to the high strength, high conductivity and light weight of carbon nanotube film, the electric blanket has achieved a light and thin design while maintaining excellent heating performance. Users can hardly feel the presence of heating materials when using it, which greatly improves the comfort and convenience of use.

[0026] High safety: The carbon nanotube film has excellent stability and high temperature resistance, and can operate stably for a long time in a high temperature environment without being easily damaged. In addition, the electric blanket is also equipped with an intelligent temperature control system that can monitor and control the temperature in real time to ensure safety during use. Even in long-term use or unexpected situations, it can effectively avoid safety hazards such as overheating and fire. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a schematic diagram of the overall structure of the electric blanket in the embodiment of the utility model;

[0028] Figure 2 This is a schematic diagram of the carbon nanotube film structure in the utility model embodiment;

[0029] In the figure: 1. Upper layer of blanket; 2. Insulation layer; 3. Heating layer; 4. Film layer; 5. Switch; 6. Type C socket; 7. Adapter; 8. First wire; 9. Second wire; 10. Encapsulation layer; 11. Carbon nanotube film; 12. Copper foil; 13. Bottom layer of blanket; 14. Thermistor. DETAILED DESCRIPTION

[0030] In the following description, specific details such as specific system structures and technologies are provided for the purpose of illustration rather than limitation, so as to provide a thorough understanding of the embodiments of the present invention. However, it should be clear to those skilled in the art that the present invention can also be implemented in other embodiments without these specific details. In other cases, detailed descriptions of well-known systems and devices are omitted to avoid unnecessary details that hinder the description of the present invention.

[0031] The preferred technical solution of the utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0032] Carbon nanotubes are one-dimensional quantum materials with a special structure. They are mainly coaxial hollow seamless tubular structures formed by curling single or multi-layer graphite sheets around the center at a certain angle. The carbon atoms in the carbon nanotubes are hybridized into bonds in the sp2 mode, with six-membered rings as the basic structural units. This makes the carbon nanotubes have a very high Young's modulus and a material with high fracture strength. They are not easily damaged when bent, and have become the thinnest, strongest mechanical properties, best electrical conductivity, thermal conductivity, and structural stability materials known to mankind. In addition, the macroscopic film derived from the high-quality characteristics of carbon nanotubes not only meets the requirements of low-voltage design, but also has an electric heat conversion rate of up to 99%, no resin and other material doping, and good flame retardant properties. In addition, the 6-14 micron far-infrared light waves released by the carbon nanotube film when heated can be fully absorbed by the organism, achieving the effect of infrared heating therapy, and is one of the few infrared heating materials at this stage. The electric blanket of the utility model adopts carbon nanotube film as a heating material to achieve the heating function.

[0033] A carbon nanotube electric blanket comprises an upper protective layer, an upper thermal insulation layer 2, a heating layer 3, a lower thermal insulation layer 2 and a lower protective layer stacked from top to bottom; the heating layer 3 comprises a heating unit layer composed of a plurality of carbon nanotube films 11 and a conductive layer; the plurality of carbon nanotube films 11 are arranged on one side surface of the conductive layer and are electrically connected to the conductive layer.

[0034] Furthermore, the upper protective layer and the lower protective layer are made of flexible fabric.

[0035] Specifically, Figure 1 and Figure 2 As shown, the utility model provides a technical solution: specifically including a blanket upper layer 1 as an upper protective layer and a blanket bottom layer 13 as a lower protective layer, a thermal insulation layer 2 and a heating layer 3 are arranged between the blanket upper layer 1 and the blanket bottom layer 13, a plurality of carbon nanotube films 11 are arranged inside the heating layer 3, one end of the plurality of carbon nanotube films 11 is connected to a second wire 9, the second wire 9 is connected to a switch 5 at the bottom edge of the blanket upper layer 1, a Type C socket 6 is arranged next to the switch 5, the Type C socket 6 is connected to the power supply through a first wire 8, and through an adapter 7, to avoid damage caused by voltage instability.

[0036] As an embodiment of the present invention, the fabric material of the blanket upper layer 1 and the blanket bottom layer 13 is fleece fabric, which has good warmth retention, light luxury, quick drying and windproof functions. It should be noted that the fleece fabric used is not a limitation of the present invention, and equivalent changes or substitutions in functions, methods or structures made by ordinary technicians in the field according to these embodiments are all within the protection scope of the present invention.

[0037] In specific implementation, the shapes and functions of the fleece fabric, the switch 5, the adapter 7 and the carbon nanotube film can be customized in a variety of ways to meet the different needs of customers.

[0038] Furthermore, it also includes two TPU film layers; each TPU film layer is arranged between the protective layer and the thermal insulation layer 2.

[0039] Furthermore, the electric blanket is an integrated pressed structure.

[0040] As an embodiment of the utility model, the upper layer 1 of the blanket and the bottom layer 13 of the blanket are both provided with a film layer 4, and the film layer 4 is made of TPU film, which has good high temperature resistance, low temperature resistance, high bonding strength, flexibility, environmental protection, strong tensile performance, etc. After hot pressing, the upper layer 1 of the blanket and the bottom layer 13 of the blanket, and the blanket and the heating layer 3 can be tightly bonded to achieve the function of multiple washings without debonding.

[0041] As an implementation mode of the present invention, a circular switch 5 and a Type C socket 6 are provided at the bottom edge of the upper layer 1 of the blanket body. The circular switch 5 can realize three-level temperature control. It has a simple design and is convenient and quick to start. It is embedded in the bottom edge of the upper layer 1 of the blanket body to avoid the burdensome feeling caused by the large size of the traditional external thermostat.

[0042] As an embodiment of the utility model, the materials of the upper insulation layer 2 and the lower insulation layer 2 are both down linings. The upper insulation layer 2 between the upper layer 1 of the blanket body and the heating layer 3 is two layers of down lining, which plays the role of thermal insulation and softness and comfort; the lower insulation layer 2 between the bottom layer 13 of the blanket body and the heating layer 3 is a layer of down lining, which plays the role of uniformly releasing the temperature of the heating layer 3. Under this specification, the comfort and heating effect of the electric blanket can be guaranteed to reach the best.

[0043] Furthermore, the heating layer 3 also includes two encapsulation layers 10 and two adhesive film layers 4 ; the two encapsulation layers 10 are respectively arranged on the two side surfaces of the heating unit layer; and each adhesive film layer 4 is respectively arranged between the heating unit layer and the encapsulation layer 10 .

[0044] like Figure 2 As shown, as an embodiment of the present invention, the heating layer 3 includes a heating unit layer, a packaging layer 10 and a film layer 4. The heating unit layer is composed of a plurality of carbon nanotube films 11 and a conductive layer.

[0045] Furthermore, the conductive layer is composed of two copper foils 12 respectively disposed at two ends of the plurality of carbon nanotube films 11 .

[0046] As an embodiment of the present invention, the packaging layer 10 is made of lining cloth, the film layer 4 is a TPU hot melt adhesive film, and the heating unit layer includes multiple carbon nanotube films 11 and copper foils 12. The multiple carbon nanotube films 11 are arranged at intervals, and the two ends are respectively adhered to the surfaces of two copper foils 12.

[0047] Furthermore, the plurality of carbon nanotube films 11 and the copper foil 12 are bonded together by conductive silver paste.

[0048] Furthermore, it also includes a temperature measuring device and a temperature controller; the temperature measuring device is arranged on the surface of the carbon nanotube film 11 and connected to the temperature controller; the temperature controller is electrically connected to the conductive layer.

[0049] Furthermore, the temperature measuring device is a thermistor 14 .

[0050] Specifically, conductive silver paste is applied to the contact position between the carbon nanotube film 11 and the copper foil 12; in this embodiment, the hot surface resistor is a chip thermistor 14, which is attached to the surface of the carbon nanotube film 11 to detect the temperature of the heating layer 3 in real time. When the temperature exceeds the set temperature, an electrical signal will be transmitted to the switch 5 to automatically cut off the power. When the temperature is lower than the set temperature, the switch 5 will restart.

[0051] like Figure 2 As shown, the two copper foils 12 are respectively connected to the switch 5 through the second wire 9, the second wire 9 is welded to the surface of the copper foil 12, and thermosetting glue is applied to the welding point where the second wire 9 and the copper foil 12 are connected and cured; the second wire 9 and the chip thermistor 14 are electrically connected to the switch 5 with corresponding polarity.

[0052] Furthermore, the heating layer 3 is an integrated pressed structure.

[0053] As an embodiment of the present utility model, the lining cloth as the packaging layer 10 is laminated and hot-pressed for 20 seconds with the TPU film as the film layer 4, the heating unit layer, the second wire 9 and the chip thermistor 14 at 130°C by a hot press, wherein the carbon nanotube film 11 is required to have a flat surface, no damage, and no bubbles, and finally the heating layer 3 is manufactured.

[0054] As an implementation mode of the present invention, the temperature of the carbon nanotube film 11 is set at 30° C.-50° C., which can achieve the functions of heating and removing mites.

[0055] It is worth mentioning that the electric-thermal conversion efficiency of the heating layer 3 made of carbon nanotube film can reach 99%, the voltage can be designed to be 5V-220V, and rapid heating can be achieved within 3 seconds after power-on, truly meeting the characteristics of low-voltage energy saving, rapid heating and safety.

[0056] The above are only several embodiments of the utility model, and do not limit the utility model in any form. Although the utility model is disclosed as above in the preferred embodiments, it is not used to limit the utility model. Any technician familiar with this profession, without departing from the scope of the technical solution of the utility model, makes slight changes or modifications using the technical contents disclosed above, which are equivalent to equivalent implementation cases and fall within the scope of the technical solution.

Claims

1. A carbon nanotube electric blanket, characterized in that: It includes an upper protective layer, an upper thermal insulation layer, a heating layer, a lower thermal insulation layer and a lower protective layer which are stacked from top to bottom; The heating layer includes a heating unit layer composed of multiple carbon nanotube films and a conductive layer; The plurality of carbon nanotube films are arranged on one side surface of the conductive layer and are electrically connected to the conductive layer.

2. The carbon nanotube electric blanket according to claim 1, characterized in that: The heating layer also includes two packaging layers and two adhesive film layers; The two encapsulation layers are respectively arranged on the two side surfaces of the heating unit layer; Each of the adhesive film layers is respectively arranged between the heating unit layer and the packaging layer.

3. The carbon nanotube electric blanket according to claim 2, characterized in that: The heating layer is an integrated pressed structure.

4. The carbon nanotube electric blanket according to claim 1, characterized in that: Also includes a temperature measuring device and a temperature controller; The temperature measuring device is arranged on the surface of the carbon nanotube film and connected to the temperature controller; The temperature controller is electrically connected to the conductive layer.

5. The carbon nanotube electric blanket according to claim 4, characterized in that: The temperature measuring device is a thermistor.

6. The carbon nanotube electric blanket according to claim 1, characterized in that: It also includes two layers of TPU film; Each TPU film layer is arranged between the protective layer and the thermal insulation layer.

7. The carbon nanotube electric blanket according to claim 1, characterized in that: The upper protective layer and the lower protective layer are made of flexible cloth.

8. The carbon nanotube electric blanket according to claim 1, characterized in that: The conductive layer is composed of two copper foils respectively arranged at two ends of the plurality of carbon nanotube films.

9. The carbon nanotube electric blanket according to claim 8, characterized in that: The plurality of carbon nanotube films and the copper foil are bonded together by conductive silver paste.

10. The carbon nanotube electric blanket according to any one of claims 1 to 9, characterized in that: The electric blanket is an integrated pressed structure.

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