CN218941360U - Graphene heating fiber membrane cloth capable of being woven - Google Patents

Abstract

The utility model discloses a graphene heating woven fiber membrane fabric which comprises an insulating heat-conducting layer, a graphene electric heating fabric layer and an insulating heat-insulating moisture-insulating layer which are sequentially arranged from top to bottom, wherein the graphene electric heating fabric layer is formed by weaving warp yarns and weft yarns, the warp yarns are terylene, the weft yarns are mixed fiber yarns, the mixed fiber yarns are made of graphene fibers and glass fibers, metal electrodes are respectively arranged on the front side and the rear side of the graphene electric heating fabric layer, and the two metal electrodes are connected with an external power supply through wires. The utility model has simple integral structure, the graphene heating woven fiber membrane cloth comprises graphene fibers, and the spinnability is enhanced on the basis of realizing electric conduction and heat conduction of yarn continuity according to the excellent electric conduction and heat conduction high-strength characteristics of graphene; compared with the common heating film mode, the electric heating fabric is used as a heating mode, so that the air permeability is better, the temperature rise is more uniform, the graphene exists in the form of a textile fabric, and the air permeability and the moisture permeability are good.

Description

Graphene heating fiber membrane cloth capable of being woven

Technical Field

The utility model relates to the technical field of graphene electric heating application, in particular to a graphene heating woven fiber membrane cloth.

Background

The electric heating material can effectively solve the problem of short self-heating time, and provides or maintains the heat required by the human body by converting electric energy into heat energy. Especially in the field of heating clothing, the clothing is added to resist severe cold, but the heavy clothing can influence the flexibility of a human body, increase the burden of the human body, and is obviously insufficient in fashion sense, air permeability and comfort sense. The electric heating material is prepared into an electric heating element, and the electric heating effect can be achieved after the electric heating element is electrified. The electric heating material can control the temperature, the heating time is longer than that of the heat storage material, and the electric heating material can locally heat the body part, so the electric heating material is the intelligent material which is most suitable for improving the heat retention performance of the cold protective clothing at present. It is an important research topic of electrical heating how to develop materials that are compatible with heating rapidity, comfort, durability and health.

With rapid development of electronic technology and material science, researchers have developed flexible electrical heating elements that are integrated into garments to provide a stable and sustained source of heat, creating a microclimate environment suitable for the human body. At present, the conductive materials for preparing the flexible electric heating element are mainly metal materials, conductive polymers and carbon materials. However, the metal wire heats unevenly and is easy to bend; the metal nano material is expensive and the preparation process is complex; the conductivity of the conductive polymers tends to be undesirable. Compared with metal materials and conductive polymers, the carbon material has the advantages of high heat conductivity and electric conductivity, good chemical stability and thermal stability, low density and the like.

The carbon fiber is a heating element of the mainstream electric heating clothing in the market at present, and is a high-modulus high-strength fiber with carbon content higher than 90% which is prepared by taking acrylic fiber or viscose fiber as a raw material and performing high-temperature oxidation and carbonization. The heating rate is up to 99.9% or more, the efficacy is high, the cost is low. However, carbon fiber fabrics have the disadvantage that the fiber filaments are easily broken and the temperature distribution is uneven. Compared with carbon fiber wires, graphene is not easy to break, has more uniform temperature distribution, is a honeycomb-shaped planar film formed by carbon atoms in an sp2 hybridization mode, has high elastic modulus and tensile strength, is bendable and foldable, and is an ideal material for manufacturing an electric heating element.

The existing graphene heating mode is an electrothermal film, the electrothermal film is formed by transferring a graphene film on a substrate, printing silver paste electrode patterns on the transferred graphene film by using screen printing equipment, then placing the printed electrode patterns in an oven for baking, sticking a protective film with the same size as a transparent substrate on the electrode surface by using special glue after the silver paste is solidified, and finally manufacturing an electrode lead, wherein the electrode lead has the disadvantage of poor air permeability and moisture permeability.

For this purpose, a graphene heating woven fiber membrane cloth is provided.

Disclosure of Invention

The utility model aims to provide a graphene heating woven fiber membrane cloth so as to solve the problems of poor air permeability and poor moisture permeability in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a graphene heated woven fibrous membrane cloth comprising: the graphene electric heating fabric layer is formed by weaving warp yarns and weft yarns, the warp yarns are polyester yarns, the weft yarns are mixed fiber yarns are made of graphene fibers and glass fibers, metal electrodes are respectively arranged on the front side and the rear side of the graphene electric heating fabric layer, and the two metal electrodes are connected with an external power supply through wires.

Further, the metal electrode is a copper foil electrode.

Further, the insulating layer is a PET film.

Further, the metal electrode and the graphene electric heating fabric layer are connected in an adhesive mode through heat-conducting glue.

Further, the external power source may be a mobile power source or a battery with a voltage of 5V.

Further, the metal electrode is in an extended covered shape.

Further, the outer sides of the insulating heat conducting layer and the insulating heat insulating moisture insulating layer are sequentially provided with an antibacterial layer and a moisture absorbing layer respectively.

Compared with the prior art, the utility model has the beneficial effects that: the utility model has simple integral structure, the graphene heating woven fiber membrane cloth comprises graphene fibers, and the spinnability is enhanced on the basis of realizing electric conduction and heat conduction of yarn continuity according to the excellent electric conduction and heat conduction high-strength characteristics of graphene; compared with a common heating film mode, the electric heating fabric is better in air permeability, uniform in temperature rise, good in air permeability and moisture permeability, and not easy to break, and the graphene is in the form of the fabric, so that more reliable filling heat dissipation performance is achieved.

Drawings

FIG. 1 is an exploded view of an embodiment of the present utility model;

FIG. 2 is a schematic diagram of an embodiment of the present utility model;

fig. 3 is an electrode distribution diagram of a metal electrode according to an embodiment of the present utility model.

Reference numerals illustrate:

1-insulating heat conduction layer, 2-graphene electric heating fabric layer, 3-metal electrode and 4-insulating heat-insulating moisture-proof layer.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a graphene heating woven fiber membrane cloth, comprising: the graphene electric heating fabric layer 2 is formed by weaving warp yarns and weft yarns, the warp yarns are terylene, the weft yarns are mixed fiber yarns, the mixed fiber yarns are made of graphene fibers and glass fibers, metal electrodes 3 are respectively arranged on the front side and the rear side of the graphene electric heating fabric layer 2, and the two metal electrodes 3 are connected with an external power supply through wires. The mixed fiber yarn is formed by mixing graphene fibers and glass fibers and intertwining or interweaving the graphene fibers and the glass fibers, one of the two metal electrodes is connected with a switch and then connected with an external power supply negative electrode, the other metal electrode is connected with a metal power supply positive electrode, when the switch is pressed down, the external power supply heats the graphene electric heating fabric layer through the metal electrode, low-voltage electric heating is realized, the graphene is heated to be far infrared heating, the graphene is heated by carbon atom friction to generate heat, the far infrared heat is also called far infrared heat dissipation, and the heat is light which can be absorbed by a human body. The insulating heat conduction layer 1, the graphene electric heating fabric layer 2 and the insulating heat insulation moisture insulation layer 4 are sequentially connected in an adhering mode, and metal electrodes are respectively arranged on the front side and the rear side of the graphene electric heating fabric layer, or the left side and the right side of the graphene electric heating fabric layer are respectively provided with the metal electrodes, namely, the metal electrodes are arranged on the two opposite sides of the graphene electric heating fabric layer. The graphene electric heating fabric layer is a graphene fabric layer, the graphene fibers are electric heating fibers, and the graphene electric heating fabric layer is an electric heating layer, so that the graphene electric heating fabric layer has a simple overall structure, more reliable filling heat dissipation is achieved, and the spinnability is enhanced on the basis of realizing electric conduction and heat conduction of yarn continuity according to excellent electric conduction and heat conduction high-strength characteristics of graphene; the electric heating fabric is used as a heating mode, so that the air permeability is better than that of a common heating film mode; the graphene fiber with excellent electrothermal performance is prepared, and can be woven into cloth, so that the graphene exists in the form of textile fabric, and the graphene fiber has the advantages of soft texture, repeated water washing, good air permeability and moisture permeability and the like.

Further, the metal electrode 3 is a copper foil electrode, the metal electrode 3 is a conductive electrode, and the surface of the copper foil electrode is roughened, so that the metal electrode is in good contact with the graphene electric heating fabric, the copper foil is higher in conductivity than aluminum, not easy to oxidize and less in loss, and therefore the copper foil electrode is suitable in comprehensive view.

Further, the metal electrode 3 is connected with the graphene electric heating fabric layer 2 through the heat-conducting adhesive in an adhering mode, the heat-conducting adhesive has excellent high and low temperature resistance, cannot fall off after long-term use, a traditional connecting mode of a card and a screw can be removed, human bodies cannot be in contact with the metal electrode, and meanwhile more reliable filling and heat dissipation performance, simpler process and more economic cost are brought.

Further, the metal electrode 3 is in an extending coverage shape, specifically as shown in fig. 1 and 3, the metal electrodes are distributed into an upper metal electrode and a lower metal electrode, the upper metal electrode is connected with a plurality of downward first metal electrodes facing the lower metal electrode, the first metal electrodes are not connected with the lower metal electrode, the lower metal electrode is connected with a plurality of second metal electrodes facing the upper metal electrode, the second metal electrodes are not connected with the upper metal electrode, the first metal electrodes and the second metal electrodes are uniformly distributed at intervals, and the first metal electrodes and the second metal electrodes are heated at intervals more uniformly. The upper metal electrode is connected with one end of the power supply through a wire, and the lower metal electrode is connected with the other end of the power supply through a wire. The metal electrode 3 is directly connected with the lead, and the metal electrode 3 is favorable for the stability and the safety of heating. The shape and structure of the metal electrode 3 are changed into a cover type so as not to locally excessively raise the temperature.

Further, the insulating and heat-insulating and moisture-insulating layer 4 is a PET film, and the insulating and heat-insulating layer is a flexible and folding-resistant high-temperature PET film, so that the risk of electric shock can be prevented. The insulating heat conducting layer can be a heat conducting silica gel film.

Further, the external power supply voltage is 5V, the external power supply can be a mobile power supply or a battery with the voltage of 5V, the heating temperature is 40-50 ℃ under the condition of 5V, and compared with the traditional resistance heating, the graphene heating is safer and can not break down. The scheme fully considers the proper temperature of the human body, the heating temperature range is controlled between 40 ℃ and 50 ℃, and sweat accumulation caused by overhigh heating temperature is avoided. The heating temperature is too high, so that sweat can be produced by a human body, the material of the heating element is not high in air permeability and moisture permeability, sweat is easy to accumulate, the graphene heating woven fiber membrane cloth can be made into heatable clothing, the recommended heating temperature range of the heating element is that the abdomen is 37-40 ℃, the shoulders are 40-44 ℃, the chest is 44-49 ℃, and the forearm and the lower leg are above 49 ℃. By providing temperature control hardware, it is only necessary to pass a voltage of 5V, but the heating temperature can substantially reach this range.

Further, the antibacterial fiber composite material also comprises an antibacterial layer, wherein the antibacterial layer is formed by blending graphene fibers, antibacterial polyester fibers and antibacterial viscose fibers. The graphene damages bacterial cell membranes through contact cutting, and the graphene and bacteria show excellent antibacterial performance, so that the graphene fiber, namely the graphene modified fiber, has good antibacterial performance. The graphene fiber, the antibacterial polyester fiber and the antibacterial viscose fiber have good antibacterial property, and bacteria are prevented from breeding. The anti-bacterial layer, the moisture absorption layer, the insulating heat conduction layer 1, the graphene electric heating fabric layer 2 and the insulating heat insulation moisture insulation layer 4 are sequentially arranged from top to bottom, namely the outer sides of the insulating heat conduction layer and the insulating heat insulation moisture insulation layer are sequentially provided with the anti-bacterial layer and the moisture absorption layer respectively.

Further, the moisture absorption layer is formed by blending polyvinyl alcohol fibers and viscose fibers, the polyvinyl alcohol fibers (vinylon) have excellent moisture absorption performance, alcoholic hydroxyl groups exist in the polyvinyl alcohol, the moisture absorption is good, and hydrophilic groups such as carboxyl groups, amino groups, hydroxyl groups, amido groups and the like are atomic groups which are easy to be hydrophilic to water; the viscose fiber has low crystallinity, good hygroscopicity, and the hygroscopic layer can absorb water and diffuse rapidly.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a but graphite alkene adds hot braided fiber membrane cloth which characterized in that includes: the graphene electric heating fabric layer (2) is formed by weaving warp yarns and weft yarns, the warp yarns are polyester yarns, the weft yarns are mixed fiber yarns, the mixed fiber yarns are formed by mixing graphene fibers and glass fibers and intertwining or cross weaving, metal electrodes (3) are respectively arranged on the front side and the rear side of the graphene electric heating fabric layer (2), and the two metal electrodes (3) are connected with an external power supply through wires.

2. The graphene heated woven fibrous membrane cloth of claim 1, wherein: the metal electrode (3) is a copper foil electrode.

3. The graphene heated woven fibrous membrane cloth according to claim 1 or 2, wherein: the insulating and heat-insulating moisture-proof layer (4) is a PET film.

4. A graphene heated woven fibrous membrane cloth according to claim 3, wherein: the metal electrode (3) is connected with the graphene electric heating fabric layer (2) through heat-conducting glue in an adhesive mode.

5. A graphene heated woven fibrous membrane cloth according to claim 3, wherein: the external power source may be a mobile power source or a battery with a voltage of 5V.

6. The graphene heated woven fibrous membrane cloth of claim 1, wherein: the metal electrode (3) is in an extended covering shape.

7. The graphene heated woven fibrous membrane cloth of claim 1, wherein: the outer sides of the insulating heat conducting layer (1) and the insulating heat insulating moisture insulating layer (4) are sequentially provided with an antibacterial layer and a moisture absorbing layer respectively.

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