CN211156635U

CN211156635U - Hand warmer

Info

Publication number: CN211156635U
Application number: CN201920694171.7U
Authority: CN
Inventors: 赵学锋
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-16
Filing date: 2019-05-16
Publication date: 2020-08-04
Anticipated expiration: 2029-05-16

Abstract

The utility model discloses a hand warmer, which comprises a body, be equipped with the insulating seat on the body, be equipped with the USB interface on the insulating seat, this internal graphite alkene carbon fiber piece or the carbon fiber piece that generates heat that is equipped with, graphite alkene carbon fiber piece or carbon fiber piece that generates heat and USB interface electricity are connected that generate heat. Because graphite alkene carbon fiber and carbon fiber all can adopt the low-tension electricity power supply can normal operating, consequently adopt graphite alkene carbon fiber to generate heat piece and carbon fiber to generate heat the piece as heating element, can improve hand warmer's security.

Description

Hand warmer

Technical Field

The utility model relates to a hand warmer.

Background

Hand warmers are hand warmers that people often used in autumn and winter. At present, a heating plate is basically arranged in a hand warmer on the market, then 220V alternating current is adopted for charging and heating, and the hand warmer can be used after being charged and being unplugged. However, the hand warmer has certain defects: the power is supplied by 220V alternating current, once electric shock is caused by leakage high voltage, safety is poor, and higher voltage has higher requirements on a power supply or a power supply mode.

Disclosure of Invention

In order to solve the defects of the prior art, the utility model aims to provide a hand warmer which can adopt low-voltage power supply and improve the safety.

In order to realize the above purpose, the utility model discloses a hand warmer, which comprises a body, be equipped with the insulating seat on the body, be equipped with the USB interface on the insulating seat, this internal graphite alkene carbon fiber piece or the carbon fiber piece that generates heat that is equipped with, graphite alkene carbon fiber piece or carbon fiber piece and the USB interface electricity that generates heat are connected.

Further, the graphene carbon fiber heating sheet comprises warps and wefts, the warps comprise a plurality of heating yarns, the wefts comprise a plurality of insulating yarns, or the warps comprise a plurality of insulating yarns, the wefts comprise a plurality of heating yarns, or the warps comprise a plurality of heating yarns, the wefts also comprise a plurality of heating yarns, the warps and the wefts are woven in a staggered mode, the heating yarns are electrically connected with the USB interface, and the heating yarns comprise a carbon fiber yarn group and a graphene fiber yarn group.

Further, the carbon fiber yarn group comprises one carbon fiber yarn or more than one carbon fiber yarn arranged in parallel in the same plane, and the graphene fiber yarn group comprises one graphene fiber yarn or more than one graphene fiber yarn arranged in parallel in the same plane; the graphene fiber yarn sets and the carbon fiber yarn sets are alternately arranged, or the graphene fiber yarn sets and the carbon fiber yarn sets are arranged in a staggered mode.

Further, graphite alkene carbon fiber heating plate still includes high temperature resistant insulating yarn group, high temperature resistant insulating yarn group includes at least one glass fiber yarn and/or aramid fiber yarn or includes more than one glass fiber yarn and/or aramid fiber yarn at coplanar parallel arrangement, high temperature resistant insulating yarn and the parallel arrangement of yarn that generates heat.

Further, at least one carbon fiber yarn group and/or at least one graphene limiting yarn group are/is arranged between the two high-temperature-resistant insulating yarn groups.

Further, graphite alkene carbon fiber heating plate still includes the stratum basale, graphite alkene fiber yarn group all sets firmly on the stratum basale with carbon fiber yarn group, the stratum basale includes the insulating yarn of crisscross weaving.

Further, waterproof flame retardant coating is coated on the surface of the graphene carbon fiber heating sheet or the surface of the carbon fiber heating sheet.

Further, the carbon fiber heating sheet comprises a basal layer, the basal layer comprises insulating yarns which are woven in a staggered mode, a plurality of carbon fiber yarns are fixed on the basal layer and are arranged in a staggered mode, and the carbon fiber yarns are electrically connected with the USB interface.

Compared with the prior art, the beneficial effects of the utility model are that: because graphite alkene carbon fiber and carbon fiber all can adopt the low-tension electricity power supply can normal operating, consequently adopt graphite alkene carbon fiber to generate heat the piece or carbon fiber generates heat the piece and regard as heating element, can improve hand warmer's security.

Drawings

FIG. 1 is a schematic structural view of example 1.

Fig. 2 is a schematic structural view of the graphene carbon fiber heating sheet in embodiment 1.

Fig. 3 is a schematic structural view of a carbon fiber heating sheet in embodiment 2.

Fig. 4 is another schematic structural diagram of the carbon fiber heating sheet in embodiment 2.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

Example 1:

as shown in fig. 1, a hand warmer comprises a body 1, an insulating base 2 is arranged on the body 1, a USB interface 3 is arranged on the insulating base 2, a graphene carbon fiber heating sheet 4 is arranged in the body 1, and the graphene carbon fiber heating sheet 4 is electrically connected with the USB interface 3. The graphene carbon fiber heating sheet can normally run by adopting low-voltage power supply, so that the low-voltage USB interface 3 can be adopted to provide electric energy for the graphene carbon fiber heating sheet, the safety of the hand warmer is improved, a mobile power supply can be adopted to supply power for the graphene carbon fiber heating sheet, the hand warmer is convenient to carry and use, a power supply and a control board do not need to be arranged in the body 1, the production cost of the hand warmer is reduced,

the graphene carbon fiber heating sheet 4 comprises warps and wefts, the warps comprise a plurality of heating yarns, the wefts comprise a plurality of insulating yarns, or the warps comprise a plurality of insulating yarns, the wefts comprise a plurality of heating yarns, or the warps comprise a plurality of heating yarns, the wefts also comprise a plurality of heating yarns, the warps and the wefts are woven in a staggered mode, the heating yarns are electrically connected with the USB interface 3, and the heating yarns comprise a carbon fiber yarn group and a graphene fiber yarn group.

The carbon fiber yarn group comprises one carbon fiber yarn 5 or more than one carbon fiber yarn which are arranged in parallel in the same plane, and the graphene fiber yarn group comprises one graphene fiber yarn 6 or more than one graphene fiber yarn which are arranged in parallel in the same plane; the graphene fiber yarn sets and the carbon fiber yarn sets are alternately arranged, or the graphene fiber yarn sets and the carbon fiber yarn sets are arranged in a staggered mode.

In this embodiment, as shown in fig. 2, the warp includes a graphene fiber yarn set, the weft includes a carbon fiber yarn set and graphene fiber yarn sets located on upper and lower sides of the carbon fiber yarn set, the graphene fiber yarn 6 located on the outermost side is divided into two parts, and the two parts are respectively electrically connected to the USB interface.

Graphene carbon fiber heating sheet 4 still includes high temperature resistant insulating yarn group, high temperature resistant insulating yarn group includes at least one glass fiber yarn and/or aramid fiber yarn or includes more than one glass fiber yarn and/or aramid fiber yarn at coplanar parallel arrangement, high temperature resistant insulating yarn and the yarn parallel arrangement that generates heat. In this embodiment, the high temperature resistant insulating yarn 7 is arranged in parallel with the carbon fiber yarn 5, and at least one carbon fiber yarn group is arranged between the two high temperature resistant insulating yarn groups.

The graphene carbon fiber heating sheet further comprises a substrate layer, the graphene fiber yarn group and the carbon fiber yarn group are fixedly arranged on the substrate layer, the substrate layer comprises insulating yarns which are woven in a staggered mode, and the weaving density of the insulating yarns is far greater than that of graphene spacing and carbon fibers.

The surface of the graphene carbon fiber heating sheet is coated with a waterproof flame-retardant coating.

The hand warmer in this embodiment can adopt portable power source to pass through the USB interface and supply power for graphite alkene carbon fiber piece that generates heat, does not have danger, and the security is good.

Graphene carbon fiber generates heat the piece and adopts graphite alkene fibre and crisscross the weaving of carbon fiber, form the conductive path, graphite alkene fibre not only has higher electric conductivity and low density, high strength, toughness is good, and low temperature far infrared function and antibiotic antibacterial function have, carbon fiber has characteristics such as high heat conduction height heat-resisting, the electric current passes through graphite alkene fibre and carbon fiber production heat, be used for the heating, and graphite alkene fibre and carbon fiber mixed weaving, not only can improve the temperature homogeneity on piece surface that generates heat, and when producing heat, graphite alkene fibre and carbon fiber can produce far infrared and radiate the heat, the thermal effect of far infrared can promote and improve human blood circulation, the reinforcing metabolism, improve human immunologic function, has the antiphlogosis, detumescence, the effect of analgesia.

Example 2:

as shown in fig. 3, the difference from embodiment 1 lies in that the graphene carbon fiber heating sheet is replaced by a carbon fiber heating sheet, the carbon fiber heating sheet in this embodiment includes a substrate layer, the substrate layer includes insulating yarns woven in a staggered manner, a plurality of carbon fiber yarns 5 are fixed on the substrate layer, the plurality of carbon fiber yarns 5 are arranged in a staggered manner, the carbon fiber yarns 5 are electrically connected with the USB interface 3, and the weaving density of the insulating yarns of the substrate layer is far greater than that of the carbon fiber yarns. At this time, two carbon fiber yarns parallel to each other and spaced farthest apart are electrically connected to the USB interface 3.

Still be equipped with a plurality of high temperature resistant insulating yarn group on the stratum basale, high temperature resistant insulating yarn group includes at least one glass fiber yarn and/or aramid fiber yarn or includes more than one glass fiber yarn and/or aramid fiber yarn at the coplanar parallel arrangement, high temperature resistant insulating yarn 7 and the horizontal carbon fiber yarn parallel arrangement who sets up.

Of course, the arrangement of the carbon fiber yarn is not limited to the above-described one, and may be a single carbon fiber yarn and may be a circular type, as shown in fig. 4. At this time, the high temperature resistant insulating yarn 7 may be vertically arranged or may be horizontally arranged.

Claims

1. The utility model provides a hand warmer, includes the body, be equipped with insulating seat on the body, its characterized in that: the insulating seat is provided with a USB interface, a graphene carbon fiber heating sheet or a carbon fiber heating sheet is arranged in the body, and the graphene carbon fiber heating sheet or the carbon fiber heating sheet is electrically connected with the USB interface;

the graphene carbon fiber heating sheet comprises warps and wefts, wherein the warps comprise a plurality of heating yarns, the wefts comprise a plurality of insulating yarns, or the warps comprise a plurality of insulating yarns, the wefts comprise a plurality of heating yarns, or the warps comprise a plurality of heating yarns, the wefts also comprise a plurality of heating yarns, the warps and the wefts are woven in a staggered mode, the heating yarns are electrically connected with the USB interface, and the heating yarns comprise a carbon fiber yarn group and a graphene fiber yarn group;

the graphene carbon fiber heating sheet further comprises a high-temperature-resistant insulating yarn set, the high-temperature-resistant insulating yarn set comprises at least one glass fiber yarn and/or aramid fiber yarn or more than one glass fiber yarn and/or aramid fiber yarn which are arranged in parallel in the same plane, and the high-temperature-resistant insulating yarn and the heating yarn are arranged in parallel;

the graphene carbon fiber heating sheet further comprises a substrate layer, the graphene fiber yarn group and the carbon fiber yarn group are fixedly arranged on the substrate layer, and the substrate layer comprises insulating yarns which are woven in a staggered mode;

the carbon fiber heating sheet also comprises a basal layer, a plurality of carbon fiber yarns are fixed on the basal layer and are arranged in a staggered mode, and the carbon fiber yarns are electrically connected with the USB interface.

2. The hand warmer of claim 1, wherein: the graphene fiber yarn set comprises one graphene fiber yarn or more than one graphene fiber yarn which are arranged in parallel in the same plane; the graphene fiber yarn sets and the carbon fiber yarn sets are alternately arranged, or the graphene fiber yarn sets and the carbon fiber yarn sets are arranged in a staggered mode.

3. The hand warmer of claim 1, wherein: at least one carbon fiber yarn group and/or at least one graphene limiting yarn group are/is arranged between the two high-temperature-resistant insulating yarn groups.

4. The hand warmer of claim 1, wherein: the surface of the graphene carbon fiber heating sheet or the carbon fiber heating sheet is coated with a waterproof flame-retardant coating.