CN210670607U

CN210670607U - Graphene tracing band

Info

Publication number: CN210670607U
Application number: CN201921941728.9U
Authority: CN
Inventors: 吕崇瑜
Original assignee: Henan Luoene Nano Materials Co Ltd
Current assignee: Henan Luoene Nano Materials Co Ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-06-02
Anticipated expiration: 2029-11-12

Abstract

The utility model discloses a graphene heating belt, which comprises a heating part, and a positive electrode power connection part and a negative electrode power connection part which are positioned at two ends of the heating part, wherein the heating part comprises a plurality of parallel graphene belts and an outer protection structure, and two ends of each graphene belt are respectively connected with the positive electrode power connection part and the negative electrode power connection part; the outer protective structure comprises an upper insulating layer, a lower insulating layer and a heat equalizing part, wherein a positioning groove is formed in the heat equalizing part. Has the advantages that: the graphene band is arranged on the inner side of the heat equalizing part, so that the surface of the graphene band can be protected against friction, and the graphene band can be prevented from being broken when the heat tracing band is bent, and the heat generating stability and the service life of the graphene band are improved; through taking the embedding soaking portion with graphite alkene, can improve the contact heat radiating area of graphite alkene area and soaking portion to improve the degree of consistency that soaking portion heat gived off, thereby improve the homogeneity of tracing band surface temperature.

Description

Graphene tracing band

Technical Field

The utility model relates to a graphite alkene material technical field, concretely relates to graphite alkene companion tropical.

Background

The graphite alkene heating film is the heating material that utilizes graphite alkene to make as electrically conductive heating component, and more traditional heating wire, graphite alkene is lighter and more efficient that generates heat. The existing graphene heat tracing band is generally formed by coating graphene slurry on the surface of an insulating film to form graphene strips, and electrodes are applied to two ends of each graphene strip to be electrified, so that the graphene heat tracing band can be used as a heating component. In the prior art, due to the fact that the graphene material is high in brittleness and is easy to break when being bent, resistance of a broken part is increased, and heating efficiency is affected; the graphene strips cannot be protected, and films on the front and back surfaces of the graphene strips are easy to rub when the graphene strip is used, so that the graphene strips become thin; meanwhile, the heating of the graphene strips is relatively concentrated, so that the temperature zones on the heating film are obvious, and the temperature zones are not uniformly distributed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a graphite alkene companion torrid zone in order to solve above-mentioned problem just, the utility model provides an among a great deal of technical scheme preferred technical scheme have: through carrying out the outside protection to the graphite alkene area, prolong the life in graphite alkene area to improve the life of heating film, and improve technical effect such as homogeneity of heating film temperature, see the explanation below for details.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a graphene heating belt, which comprises a heating part, and a positive electrode connecting part and a negative electrode connecting part which are positioned at two ends of the heating part, wherein the heating part comprises a plurality of parallel graphene belts and an outer protective structure, and two ends of each graphene belt are respectively connected with the positive electrode connecting part and the negative electrode connecting part;

outer protective structure includes insulating layer, lower insulating layer and heat equalizing portion, the shaping has the constant head tank on the heat equalizing portion, the graphite alkene area is located in the constant head tank, and not with last insulating layer meets with lower insulating layer.

Preferably, the upper insulating layer is attached to the upper portion of the soaking portion, the lower insulating layer is attached to the lower portion of the soaking portion, the soaking portion is a heat conducting pad, and the upper surface of the soaking portion is fixedly bonded with the upper insulating layer.

Preferably, a heat insulation layer is arranged at the bottom of the lower insulation layer, and the heat insulation layer is fixedly bonded with the lower insulation layer.

Preferably, the heat insulation layer is non-woven fabric or foam.

Preferably, the graphene tape is printed or coated in the positioning groove by using graphene slurry.

Preferably, the upper insulating layer and the lower insulating layer are both polyimide films.

To sum up, the utility model has the advantages that: 1. the graphene band is arranged on the inner side of the heat equalizing part, so that the surface of the graphene band can be protected against friction, and the graphene band can be prevented from being broken when the heat tracing band is bent, and the heat generating stability and the service life of the graphene band are improved;

2. through taking the embedding soaking portion with graphite alkene, can improve the contact heat radiating area of graphite alkene area and soaking portion to improve the degree of consistency that soaking portion heat gived off, thereby improve the homogeneity of tracing band surface temperature.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic front view of the present invention;

fig. 2 is a schematic cross-sectional structure of the present invention.

The reference numerals are explained below:

1. a heat generating portion; 1a, an upper insulating layer; 1b, a soaking part; 1c, a lower insulating layer; 1d, a heat insulation layer; 1e, graphene ribbons; 1f, positioning a groove; 2. a negative electrode connecting part; 3. the positive electrode is connected with the electric part.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-2, the utility model provides a graphene heat tracing band, including a heating part 1 and a positive electrode connecting part 3 and a negative electrode connecting part 2 located at two ends of the heating part 1, the positive electrode connecting part 3 and the negative electrode connecting part 2 are made of silver or copper, and are externally connected with a wire for connecting electricity, the heating part 1 includes a plurality of parallel graphene bands 1e and an outer protective structure, two ends of the graphene bands 1e are respectively connected with the positive electrode connecting part 3 and the negative electrode connecting part 2; outer protective structure includes upper insulation layer 1a, lower insulation layer 1c and soaking portion 1b, the shaping has constant head tank 1f on the soaking portion 1b, graphite alkene area 1e is located constant head tank 1f, and do not meet with upper insulation layer 1a and lower insulation layer 1c, set up in constant head tank 1f through graphite alkene area 1e, and with upper insulation layer 1a and lower insulation layer 1c separation, can fold and use in the heat tracing area, prevent upper insulation layer 1a or lower insulation layer 1c and graphite alkene area 1e surface contact, thereby prevent the damage that graphite alkene area 1e leads to because of the friction, thereby improve the stability that graphite alkene area 1e circular telegram generates heat.

As an alternative embodiment, the upper insulating layer 1a is attached above the soaking section 1b, the lower insulating layer 1c is attached below the soaking section 1b, the soaking section 1b is a heat conducting pad, and the upper surface is fixedly bonded to the upper insulating layer 1 a;

the bottom of the lower insulating layer 1c is provided with a heat insulating layer 1d, the heat insulating layer 1d is fixedly adhered to the lower insulating layer 1c, and after the heat insulating layer 1d is arranged, the graphene belt 1e is electrified to generate heat and can shield heat transferred downwards, so that the heat is concentrated on the upper part of the heat tracing belt to be released, the heat consumption is reduced, and the heat efficiency of the top surface of the heat tracing belt is improved; the heat insulation layer 1d is made of non-woven fabrics or foam, when the foam is used as the heat insulation layer 1d, the heat insulation effect is good, the heat insulation layer can be used in a plane structure, the heat insulation effect is better, the non-woven fabrics are used as the heat insulation layer 1d, the whole heat tracing band is soft, and the heat tracing band can be used at a position with a larger bending angle;

the graphene belt 1e is printed or coated in the positioning groove 1f by using graphene slurry to form, and the graphene belt 1e is fragile, so that after being formed in the positioning groove 1f, the surface of the graphene belt 1e can be shielded through the edge of the positioning groove 1f, and the graphene belt 1e is protected;

the upper insulating layer 1a and the lower insulating layer 1c are both polyimide films.

By adopting the structure, after the positive electrode electricity connection part 3 and the negative electrode electricity connection part 2 are respectively connected with electricity, the graphene strip 1e is electrified to heat, and the graphene strip 1e is positioned in the positioning groove 1f and is in contact with the top and two side surfaces of the positioning groove 1f, so that the contact area is large, the generated heat can be rapidly transferred to the soaking part 1b, the uniformity of heat transmission to the soaking part 1b is improved, and the local overheating of the soaking part 1b is prevented; when the heat tracing band is folded or used, the graphene band 1e is separated from the lower insulating layer 1c through the positioning groove 1f, so that the contact friction between the lower insulating layer 1c and the graphene band 1e can be prevented, and the graphene band 1e is better protected.

The graphene band 1e is arranged on the inner side of the heat equalizing part 1b, so that the surface of the graphene band 1e can be protected against friction, and the graphene band 1e can be prevented from being broken when the heat tracing band is bent, and the heating stability and the service life of the graphene band 1e are improved; through embedding the graphene band 1e into the soaking part 1b, the contact heat dissipation area of the graphene band 1e and the soaking part 1b can be increased, so that the uniformity of heat dissipation of the soaking part 1b is increased, and the uniformity of the surface temperature of the heat tracing band is increased.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The graphene heat tracing band is characterized by comprising a heating part (1), and a positive electrode connecting part (3) and a negative electrode connecting part (2) which are positioned at two ends of the heating part (1), wherein the heating part (1) comprises a plurality of parallel graphene bands (1e) and an outer protection structure, and two ends of each graphene band (1e) are respectively connected with the positive electrode connecting part (3) and the negative electrode connecting part (2);

outer protective structure includes upper insulation layer (1a), lower insulating layer (1c) and heat equalizing portion (1b), the shaping has constant head tank (1f) on heat equalizing portion (1b), graphene band (1e) is located in constant head tank (1f), and not with upper insulation layer (1a) and lower insulating layer (1c) meet.

2. The graphene heat tracing ribbon according to claim 1, wherein: the upper insulating layer (1a) is attached to the upper side of the heat equalizing portion (1b), the lower insulating layer (1c) is attached to the lower side of the heat equalizing portion (1b), the heat equalizing portion (1b) is a heat conducting pad, and the upper surface of the heat equalizing portion is fixedly bonded with the upper insulating layer (1 a).

3. The graphene heat tracing ribbon according to claim 1, wherein: the bottom of the lower insulating layer (1c) is provided with a heat insulating layer (1d), and the heat insulating layer (1d) is fixedly bonded with the lower insulating layer (1 c).

4. The graphene heat tracing ribbon according to claim 3, wherein: the heat insulation layer (1d) is made of non-woven fabrics or foam.

5. The graphene heat tracing ribbon according to claim 1, wherein: the graphene belt (1e) is printed or coated in the positioning groove (1f) by adopting graphene slurry.

6. The graphene heat tracing ribbon according to claim 1, wherein: the upper insulating layer (1a) and the lower insulating layer (1c) are both polyimide films.