CN219955454U

CN219955454U - Graphene foot warmer

Info

Publication number: CN219955454U
Application number: CN202320198250.5U
Authority: CN
Inventors: 吴海林; 袁凯杰; 罗睿; 王成功; 夏占斌; 李立; 冯雪
Original assignee: Grahope New Materials Technologies Inc
Current assignee: Grahope New Materials Technologies Inc
Priority date: 2023-02-13
Filing date: 2023-02-13
Publication date: 2023-11-03
Anticipated expiration: 2033-02-13

Abstract

The utility model provides a graphene foot warmer which comprises a base, a shell, a heating assembly and a thermal insulation assembly, wherein the thermal insulation assembly comprises a lining part and a thermal insulation sleeve, the shell covers the base and is connected with the base, a foot bin is formed on the inner sides of the shell and the base, an opening is formed on the oblique upper side of one side of the foot bin, the heating assembly is arranged at the bottom of the foot bin and is arranged above the base, the lining part is detachably arranged on the inner side of the foot bin, a connecting opening is formed on the oblique upper side of the lining part, the connecting opening of the lining part extends out of the opening of the shell, openings are formed at the upper end and the lower end of the thermal insulation sleeve, the size of the opening at the upper end of the thermal insulation sleeve is smaller than that of the lower end of the thermal insulation sleeve, the opening at the lower end of the thermal insulation sleeve is aligned with the connecting opening of the lining part and is detachably connected with the connecting opening of the lining part, and the lining part and the thermal insulation sleeve is made of graphene textiles. The utility model has the advantages that: the thermal insulation assembly is detachable, easy to clean and beneficial to thermal insulation and energy conservation.

Description

Graphene foot warmer

Technical Field

The utility model relates to the field of electric heating, in particular to a graphene foot warmer.

Background

In cold areas in winter, the graphene foot warmer is very popular health care equipment. At present, the types of the graphene foot warmer are various, and the graphene foot warmer is generally divided into two types, namely a graphene foot warmer used for wearing shoes and a graphene foot warmer used for barefoot, wherein the graphene foot warmer used for barefoot needs to be in direct contact with skin because of equipment, so that the design needs to fully consider how to ensure sanitary and clean equipment, and meanwhile, the skin of a user needs to be prevented from being in direct contact with a high-temperature heating unit so as to avoid damage.

The existing graphene foot warmer used for barefoot is divided into two types: one is a completely open flat plate; the other is a semi-open type which uses a barrel-shaped structure to cover the periphery of the heating component or uses a cover-shaped structure to cover the upper part of the heating component. The graphene foot warmer has the advantages that the open or semi-open structure is beneficial to wiping and cleaning the contact part of the graphene foot warmer and the foot, so that the equipment can be kept clean; their disadvantage is the relatively high heat loss and the relatively high energy consumption.

In view of the foregoing, there is a need in the art to provide a graphene foot warmer, which can overcome the drawbacks of the prior art.

Disclosure of Invention

The utility model provides a graphene foot warmer which can solve the problems existing in the prior art.

The aim of the utility model is achieved by the following technical scheme.

The utility model provides a graphene foot warmer which comprises a base, a shell, a heating component and a thermal insulation component, wherein the thermal insulation component comprises a lining component and a thermal insulation sleeve, the shell covers the base and is connected with the base, a foot bin is formed on the inner side of the shell and is provided with an opening on one side of the foot bin, the heating component is arranged at the bottom of the foot bin and is arranged above the base, the lining component is arranged on the inner side of the foot bin in a detachable mode, a connecting port is arranged on the inclined upper side of the lining component and extends out of the opening of the shell, openings are formed in the upper end and the lower end of the thermal insulation sleeve, the openings in the upper end of the thermal insulation sleeve are smaller than the openings in the lower end of the thermal insulation sleeve, the openings in the lower end of the thermal insulation sleeve are aligned with the connecting ports of the lining component and are connected with the connecting ports of the lining component in a detachable mode, and the lining component and the thermal insulation sleeve are made of graphene textiles.

According to the graphene foot warmer provided by the embodiment of the utility model, the heat insulation sleeve comprises two leg sleeves and one connecting sleeve, the two leg sleeves are connected with the shell through the connecting sleeve, the two leg sleeves are positioned on one side of the connecting sleeve and extend out to the upper side of the graphene foot warmer, the shell is positioned on the other side of the connecting sleeve, the two leg sleeves are communicated with the connecting sleeve, the connecting sleeve is communicated with the foot bin, the leg sleeves are cone-shaped, the upper ends and the lower ends of the leg sleeves are communicated, and the diameter of an opening at the top end of each leg sleeve is smaller than that of an opening at the bottom end of each leg sleeve.

According to the graphene foot warmer provided by the embodiment of the utility model, the lining part comprises the shell lining and the base lining, the shell lining is attached to the inner side of the shell in a detachable mode, the shape of the shell lining is matched with the shape of the inner side of the shell, the base lining is attached to the upper surface of the heating assembly in a detachable mode, the shape of the base lining is matched with the shape of the upper surface of the heating assembly, and the shell lining is connected with the insulation sleeve through the zipper at the connecting port of the lining part.

According to the graphene foot warmer provided by the embodiment of the utility model, two groups of hollowed holes are formed in the inner lining of the base, the two groups of hollowed holes form a shape of a double foot, and the hollowed holes are square, triangular, hexagonal, round hole or polygonal.

According to the graphene foot warmer provided by the embodiment of the utility model, the aperture of the hollowed-out hole is 2-8 mm.

According to the graphene foot warmer provided by the embodiment of the utility model, the graphene foot warmer further comprises a foot pad, the foot pad is detachably arranged above the base lining, and the shape of the foot pad is matched with that of the base lining.

According to the graphene foot warmer provided by the embodiment of the utility model, the heat insulation layers are arranged inside the base and the shell, and the heat insulation layers cover or partially cover the inner surfaces of the base and the shell.

According to the graphene foot warmer provided by the embodiment of the utility model, the shell comprises two protruding parts and one concave part, wherein the protruding parts face the outer side of the foot bin, the concave part is arranged between the two protruding parts, the two protruding parts are symmetrically arranged, the two protruding parts are arranged on the same side of the graphene foot warmer, the two leg sleeves are arranged on the other side of the graphene foot warmer opposite to the two protruding parts, and the lower ends of the two leg sleeves are respectively approximately aligned with the foot bin below the two protruding parts of the shell.

According to the graphene foot warmer provided by the embodiment of the utility model, the heating assembly comprises the heating module and the supporting net, the heating module comprises the graphene electrothermal film, the insulating layer, the substrate and the temperature detection unit, the supporting net is arranged above the heating module, the insulating layer is arranged on the upper side and the lower side of the graphene electrothermal film, the substrate is arranged at the bottoms of the graphene electrothermal film and the insulating layer, and the temperature detection unit is arranged on the upper surface of the heating module and is positioned in the center of a heating area of the graphene electrothermal film.

According to the graphene foot warmer provided by the embodiment of the utility model, the graphene electrothermal film comprises the graphene film and two electrodes, the two electrodes are mutually separated and are respectively arranged along the upper edge and the lower edge of the heating assembly, and the graphene film is paved in the middle of the heating assembly and is connected between the two electrodes.

According to the graphene foot warmer provided by the embodiment of the utility model, the graphene foot warmer further comprises a sterilizing lamp component, the sterilizing lamp component comprises a blue-light sterilizing lamp and a lampshade, the sterilizing lamp component is arranged in the lining component and is close to the joint of the lining component and the heat preservation sleeve, the lampshade is covered on the outer side of the blue-light sterilizing lamp, the blue-light sterilizing lamp and the lampshade are annular, and the blue-light sterilizing lamp irradiates the interior of the heat preservation assembly.

According to the graphene foot warmer provided by the embodiment of the utility model, the graphene foot warmer further comprises a control assembly, the control assembly comprises a control circuit and a control key, the control key is arranged on one side of the base, the control circuit is arranged between the base and the thermal insulation assembly, the control key, the heating assembly and the blue light sterilization lamp are respectively and electrically connected with the control circuit, and the control assembly is connected with an external power supply through a power line.

According to the graphene foot warmer provided by the embodiment of the utility model, the base, the shell and the supporting net are made of plastic materials.

According to the graphene foot warmer provided by the embodiment of the utility model, the substrate is made of a transparent material, and the transparent material is PC, PMMA or PVC.

According to the graphene foot warmer provided by the embodiment of the utility model, the thickness of the substrate is 1-10 mm.

According to the graphene foot warmer provided by the embodiment of the utility model, the foot pad is made of transparent silica gel material doped with silver-zinc powder.

According to the graphene foot warmer provided by the embodiment of the utility model, the electrode is a silver electrode or a copper electrode.

The graphene foot warmer according to the embodiment of the utility model has the advantages that: the high-sealing-degree design is specially adopted for the shapes of the feet and the legs, so that the heat insulation device has good heat insulation capability, effectively reduces heat loss, has good foot warming effect and reduces energy consumption; the thermal insulation component is made of graphene textiles, has certain antibacterial property on colleagues capable of absorbing foot sweat, can reduce bacterial breeding, and ensures the internal environmental sanitation of the foot bin; the lining part and the heat preservation sleeve are connected through the zipper and can be detached and separated, and the lining part is arranged in the shell in a detachable mode, so that the lining part and the heat preservation sleeve can be easily detached and cleaned, and the cleaning of the graphene foot warmer is facilitated; the graphene electrothermal film is used as a heating material, so that the heating is uniform and stable, the heating is rapid, the voltage adaptability is wide, and the heating is safe and reliable; the far infrared energy emitted by the graphene transparent electrothermal film is concentrated in a wave band of 6-14um, is close to the far infrared wavelength emitted by a human body, can generate resonance with tissue molecules in the body, and forms high-efficiency energy absorption, so that the blood circulation of feet is promoted, the feet are quickly warmed, and chilblain or frostbite of the feet is improved and relieved; the blue light can irradiate the inside of the foot bin and the instep, can partially kill bacteria or viruses such as staphylococcus, corynebacteria, acinetobacter and the like of the foot, promote the growth of skin cells of the foot and improve the health condition of the foot; the base lining hollowed-out double-foot-shaped area not only prevents a user from being scalded, but also ensures that far infrared and heat of the heating film block can maximally irradiate or transfer feet, and meanwhile, blue light leakage in a blue light disinfection mode can be avoided.

Drawings

Other features, objects and advantages of the present utility model will become more apparent from the detailed description of non-limiting embodiments of the utility model given below with reference to the accompanying drawings.

Fig. 1 illustrates a schematic view of a graphene foot warmer in an exploded state according to an embodiment of the present utility model.

Fig. 2 illustrates a side cross-sectional view of a heating module of the graphene foot warmer shown in fig. 1 according to one embodiment of the present utility model.

Fig. 3 shows a schematic top view of a heating module of the graphene foot warmer according to one embodiment of the present utility model as shown in fig. 1.

Reference numerals and part names: the solar energy sterilization lamp comprises a base, a 2-shell, a 3-heating component, a 4-warm-keeping component, a 5-sterilizing lamp component, a 6-foot pad, a 7-control component, a 21-protruding part, a 22-recessed part, a 31-supporting net, a 32-heating module, a 41-lining component, a 42-heat preservation sleeve, a 51-blue-light sterilizing lamp, a 52-lampshade, a 71-control circuit, a 72-control key, a 321-graphene electrothermal film, a 321 a-graphene film, a 321 b-two electrodes, a 322-insulating layer, a 323-substrate, a 324-temperature detection unit, a 411-shell lining, a 412-base lining, a 413-hollowed hole, a 421-leg sleeve and a 422-connecting sleeve.

Detailed Description

The following description of the embodiments of the present utility model is given by way of illustration and example only, and the technical solution, problems and effects achieved by the present utility model will be apparent to those skilled in the art from the description of the present utility model. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. In addition, for convenience of description, only a portion related to the present utility model is shown in the drawings.

It should be noted that, the structures, proportions, sizes, etc. shown in the drawings are only used for being matched with those described in the specification for understanding and reading, and are not intended to limit the conditions under which the present utility model can be implemented, so that the present utility model has no technical significance, and any modification of structures, changes in proportions or adjustment of sizes, without affecting the efficacy and achievement of the present utility model, should fall within the scope covered by the technical content disclosed in the present utility model.

References to words such as "first," "second," "the," and the like are not intended to be limiting in number, but rather may be singular or plural. The terms "comprising," "including," "having," and any variations thereof, are intended to cover a non-exclusive inclusion; for example, a process, method, system, article, or apparatus that comprises a list of steps or modules is not limited to only those steps or units listed but may include additional steps or units not listed or inherent to such process, method, article, or apparatus. The terms "connected," "coupled," and the like in connection with the present utility model are not limited to physical or mechanical connections, but may also include direct or indirect electrical connections.

Fig. 1 illustrates a schematic view of a graphene foot warmer in an exploded state according to an embodiment of the present utility model. As shown in fig. 1, the graphene foot warmer comprises a base 1, a shell 2, a heating component 3 and a thermal insulation component 4, wherein the thermal insulation component 4 comprises a lining component 41 and a thermal insulation sleeve 42, the shell 2 is covered above the base 1 and is connected with the base 1, a foot bin is formed on the inner side of the shell 2 and the base 1, an opening is formed on the inclined upper side of one side of the foot bin, the heating component 3 is arranged at the bottom of the foot bin and is arranged above the base 1, the lining component 41 is arranged on the inner side of the foot bin in a detachable mode, a connecting port is formed on the inclined upper side of the lining component 41 and extends out of the opening of the shell 2, openings are formed at the upper end and the lower end of the thermal insulation sleeve 42, the opening at the upper end of the thermal insulation sleeve 42 is smaller than the opening at the lower end of the thermal insulation sleeve 42, the opening at the lower end of the thermal insulation sleeve 42 is aligned with the connecting port of the lining component 41 and is connected with the connecting port of the lining component 41 in a detachable mode, and the lining component 41 and the connecting port and the thermal insulation sleeve 42 are both made of graphene textiles.

According to the graphene foot warmer provided by the embodiment of the utility model, the graphene textile is prepared by loading graphene and derivatives thereof or other graphene polymers on the surface of the fabric through a dipping method, a layer-by-layer self-assembly method, a spraying method or an electrophoretic deposition method and the like. The graphene textile has antibacterial property, is beneficial to reducing bacterial breeding and ensures the internal environmental sanitation of the foot bin.

According to the graphene foot warmer provided in the above embodiment of the present utility model, the lining member 41 and the insulation cover 42 can be detached from the graphene foot warmer and then cleaned.

According to the graphene foot warmer provided by the embodiment of the utility model, the heat insulation sleeve 42 comprises two leg sleeves 421 and one connecting sleeve 422, the two leg sleeves 421 are connected with the shell 2 through the connecting sleeve 422, the two leg sleeves 421 are positioned on one side of the connecting sleeve 422 and extend out to the upper side of the graphene foot warmer, the shell 2 is positioned on the other side of the connecting sleeve 422, the two leg sleeves 421 are communicated with the connecting sleeve 422, the connecting sleeve 422 is communicated with the foot bin, the leg sleeves 421 are conical, and the diameter of the opening at the top end of the leg sleeve 421 is smaller than the opening at the bottom end of the leg sleeve 421.

According to the graphene foot warmer provided by the above embodiment of the present utility model, the lining part 41 includes the outer shell lining 411 and the base lining 412, the outer shell lining 411 is detachably attached to the inner side of the outer shell 2, the shape of the outer shell lining 411 is matched with the shape of the inner side of the outer shell 2, the base lining 412 is detachably attached to the upper surface of the heating assembly 3, the shape of the base lining 412 is matched with the shape of the upper surface of the heating assembly 3, and the outer shell lining 411 is connected with the insulation sleeve 42 through a zipper at the connection port of the lining part 41.

According to the graphene foot warmer provided by the embodiment of the utility model, two groups of hollowed holes 413 are formed in the base lining 412, the two groups of hollowed holes 413 form a shape of a double foot, and the hollowed holes 413 are square, triangular, hexagonal, round hole or polygonal.

According to the graphene foot warmer provided by the embodiment of the utility model, the aperture of the hollowed-out hole 413 is 2mm-8mm. Preferably, the hollowed-out hole 413 is a 6mm diameter circular hole.

According to the graphene foot warmer provided by the embodiment of the present utility model, the graphene foot warmer further includes a foot pad 6, the foot pad 6 is detachably disposed above the base lining 412, and the shape of the foot pad 6 matches the shape of the base lining 412. The foot pad 6 can be disassembled and then cleaned.

According to the graphene foot warmer provided by the embodiment of the present utility model, an insulation layer (not labeled) is provided inside the base 1 and the housing 2, and the insulation layer covers or partially covers the inner surfaces of the base 1 and the housing 2.

According to the graphene foot warmer provided by the above embodiment of the present utility model, the housing 2 includes two protrusions 21 facing the outer side of the foot compartment and one recess 22, the recess 22 is located between the two protrusions 21 and the two protrusions 21 are symmetrically disposed, the two protrusions 21 are located on the same side of the graphene foot warmer, the two leg sleeves 421 are located on the other side of the graphene foot warmer opposite to the two protrusions 21, and the lower ends of the two leg sleeves 421 are aligned with the foot compartment under the two protrusions 21 of the housing 2.

According to the graphene foot warmer provided by the embodiment of the utility model, the graphene foot warmer further comprises a sterilizing lamp part 5, the sterilizing lamp part 5 comprises a blue-light sterilizing lamp 51 and a lampshade 52, the sterilizing lamp part 5 is arranged in the lining part 41 and is close to the joint of the lining part 41 and the insulation sleeve 42, the lampshade 52 covers the outer side of the blue-light sterilizing lamp 51, the blue-light sterilizing lamp 51 and the lampshade 52 are annular, and the blue-light sterilizing lamp 51 irradiates the inside of the insulation assembly 4. The blue light sterilization lamp 51 irradiates the inside of the lining member 41 to sterilize the inner space and the leg portion of the lining member 41, and the blue light sterilization lamp 51 reduces staphylococci, corynebacteria, and acinetobacter bacteria in the inner space and the leg portion of the lining member 41.

According to the graphene foot warmer provided by the embodiment of the utility model, the graphene foot warmer further comprises a control component 7, the control component 7 comprises a control circuit 71 and a control key 72, the control key 72 is arranged on one side of the base 1, the control circuit 71 is arranged between the base 1 and the thermal insulation component 4, the control key 72, the heating component 3 and the blue light sterilization lamp 51 are respectively and electrically connected with the control circuit 71, and the control component 7 is connected with an external power supply through a power line.

The graphene foot warmer provided according to the above-described one embodiment of the present utility model, wherein the base 1, the housing 2 and the support net 31 are made of plastic materials, including but not limited to heat-resistant plastics PC (polycarbonate), (polycarbonate/acrylonitrile-butadiene-styrene copolymer), PI (polyimide), PEEK (polyetheretherketone), PAI (polyamideimide), PBI (polybenzimidazole), PEI (polyetherimide), PPS (polyphenylene sulfide), PSU (polysulfone), PES (polyethersulfone), PTFE (polytetrafluoroethylene), PVDF (polyvinylidene fluoride), PBT (polybutylene terephthalate), ABS (acrylonitrile-butadiene-styrene), HDPE (high density polyethylene). Preferably, the base 1, the housing 2 and the support net 31 are made of ABS/PC blend modified heat resistant plastic, wherein PC accounts for 5% -50%.

According to the graphene foot warmer provided by the embodiment of the present utility model, the foot pad 6 is made of transparent silica gel material doped with silver zinc powder.

Fig. 2 illustrates a side cross-sectional view of a heating module of the graphene foot warmer shown in fig. 1 according to one embodiment of the present utility model. Fig. 3 shows a schematic top view of a heating module of the graphene foot warmer according to one embodiment of the present utility model as shown in fig. 1. As shown in fig. 2-3, the heating assembly 3 includes a heating module 32 and a supporting net 31, the heating module 32 includes a graphene electrothermal film 321, an insulating layer 322, a substrate 323 and a temperature detecting unit 324, the supporting net 31 is disposed above the heating module 32, the insulating layer 322 is disposed on the upper and lower sides of the graphene electrothermal film 321, the substrate 323 is disposed at the bottoms of the graphene electrothermal film 321 and the insulating layer 322, the temperature detecting unit 324 is disposed on the upper surface of the heating module 32 and is located at the center of a heating area of the graphene electrothermal film 321, the temperature detecting unit 324 is electrically connected with the control assembly 7, the temperature detecting unit 324 is used for detecting the temperature of the heating area of the graphene electrothermal film 321, and the control assembly 7 controls the power output of the heating module 32 according to the temperature detected by the temperature detecting unit 324 so as to make the temperature of the heating area of the graphene electrothermal film 321 constant.

The graphene foot warmer provided according to the above-described one embodiment of the present utility model, wherein the base plate 323 is made of a transparent material including, but not limited to, PC, PMMA, or PVC.

According to the graphene foot warmer provided in the above embodiment of the present utility model, the thickness of the substrate 323 is 1mm-10mm.

According to the graphene foot warmer provided by the embodiment of the utility model, the graphene electrothermal film 321 comprises the graphene film 321a and two electrodes 321b, the two electrodes 321b are mutually separated and are respectively arranged along the upper edge and the lower edge of the heating component 3, and the graphene film 321a is paved in the middle of the heating component 3 and is connected between the two electrodes 321 b.

According to the graphene foot warmer provided by the embodiment of the present utility model, the electrode 321b is a silver electrode or a copper electrode.

While the utility model has been described and illustrated with reference to specific embodiments thereof, the description and illustration is not intended to be limiting. It will be apparent to those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model as defined in the claims. There may be a distinction between technical reproduction in the present utility model and actual equipment due to variables in the manufacturing process, etc. Other embodiments of the utility model not specifically illustrated may exist. The specification and figures are to be regarded in an illustrative rather than a restrictive sense, and all such modifications are intended to be included within the scope of the present utility model as defined in the appended claims. Although the methods disclosed herein have been described with reference to particular operations being performed in a particular order, it should be understood that these operations may be rearranged, sub-divided, or arranged to form an equivalent method without departing from the teachings of the utility model. Thus, the order and grouping of the operations is not a limitation of the present utility model unless specifically indicated herein.

Claims

1. The utility model provides a graphite alkene foot warmer, a serial communication port, it includes the base, a housing, heating element and cold-proof subassembly, cold-proof subassembly includes lining part and insulation cover, the shell cover is in the base top and is connected with the base, the inboard of shell and base forms the foot storehouse, the shell is equipped with the opening in the oblique top of foot storehouse one side, heating element sets up in the bottom of the foot storehouse and installs the top at the base, lining part sets up in the foot storehouse inboard with detachable mode, the oblique top of lining part is equipped with the connector and the connector of lining part stretches out from the opening of shell, the upper and lower both ends of insulation cover all are equipped with the opening and communicate between the opening at both ends about the insulation cover, the size of the opening of insulation cover upper end is less than the opening of insulation cover lower extreme, the opening of insulation cover lower extreme aims at lining part's connector and is connected with lining part's connector in detachable mode, lining part and insulation cover all use graphite alkene fabrics to make.

2. The graphene foot warmer according to claim 1, wherein the heat insulation sleeve comprises two leg sleeves and a connecting sleeve, the two leg sleeves are connected with the shell through the connecting sleeve, the two leg sleeves are located on one side of the connecting sleeve and extend out to the upper side of the graphene foot warmer, the shell is located on the other side of the connecting sleeve, the two leg sleeves are communicated with the connecting sleeve, the connecting sleeve is communicated with the foot bin, the leg sleeves are cone-shaped, the upper ends and the lower ends of the cone-shaped, and the diameter of an opening at the top end of each leg sleeve is smaller than that of the bottom end of each leg sleeve.

3. The graphene foot warmer according to claim 2, wherein the lining member includes a housing lining and a base lining, the housing lining is detachably attached to the inside of the housing and the shape of the housing lining is matched with the shape of the inside of the housing, the base lining is detachably attached to the upper surface of the heating assembly and the shape of the base lining is matched with the shape of the upper surface of the heating assembly, and the housing lining is connected to the insulation cover at the connection port of the lining member through a zipper.

4. A graphene foot warmer according to claim 3, wherein the base liner is provided with two sets of hollowed holes, the two sets of hollowed holes forming a shape of a double foot, and the hollowed holes are square, triangular, hexagonal, circular or polygonal.

5. The graphene foot warmer of claim 4, wherein the hollow holes have a diameter of 2mm-8mm.

6. The graphene foot warmer of claim 5, further comprising a foot pad detachably disposed over the base liner, the foot pad having a shape that matches the shape of the base liner.

7. The graphene foot warmer of claim 6, wherein an insulation layer is provided inside the base and the housing, the insulation layer covering or partially covering the inner surfaces of the base and the housing.

8. The graphene foot warmer of claim 7, wherein the housing includes two protrusions facing the outside of the foot well and a recess located between the two protrusions and symmetrically disposed with the two protrusions on a same side of the graphene foot warmer, the two leg cuffs on the other side of the graphene foot warmer opposite the two protrusions, and lower ends of the two leg cuffs are respectively aligned with the foot well under the two protrusions of the housing.

9. The graphene foot warmer according to claim 7, wherein the heating assembly comprises a heating module and a supporting net, the heating module comprises a graphene electrothermal film, an insulating layer, a substrate and a temperature detection unit, the supporting net is arranged above the heating module, the insulating layer is arranged on the upper side and the lower side of the graphene electrothermal film, the substrate is arranged at the bottoms of the graphene electrothermal film and the insulating layer, and the temperature detection unit is arranged on the upper surface of the heating module and is located in the center of a heating area of the graphene electrothermal film.

10. The graphene foot warmer of claim 9, wherein the graphene electrothermal film comprises a graphene film and two electrodes, the two electrodes are separated from each other and are respectively arranged along the upper edge and the lower edge of the heating assembly, and the graphene film is laid in the middle of the heating assembly and is connected between the two electrodes.

11. The graphene foot warmer of claim 10, further comprising a germicidal lamp part, wherein the germicidal lamp part comprises a blue germicidal lamp and a lamp cover, the germicidal lamp part is arranged in the inner lining part and is close to the joint of the inner lining part and the heat insulation sleeve, the lamp cover covers the outer side of the blue germicidal lamp, the blue germicidal lamp and the lamp cover are annular, and the blue germicidal lamp irradiates the inside of the heat insulation assembly.

12. The graphene foot warmer of claim 11, further comprising a control assembly, the control assembly comprising a control circuit and a control key, the control key being disposed on one side of the base, the control circuit being disposed between the base and the thermal assembly, the control key, the heating assembly, and the blue-light germicidal lamp being electrically connected to the control circuit, respectively, the control assembly being connected to an external power source via a power line.

13. The graphene foot warmer of claim 9, wherein the base, the housing and the support mesh are made of a plastic material.

14. The graphene foot warmer of claim 9, wherein the substrate is made of a transparent material, and the transparent material is PC, PMMA or PVC.

15. The graphene foot warmer of claim 13, wherein the thickness of the substrate is 1mm-10mm.

16. The graphene foot warmer of claim 10, wherein the electrode is a silver electrode or a copper electrode.