CN214675727U

CN214675727U - Graphite alkene electrically conducts integrative electric heat membrane

Info

Publication number: CN214675727U
Application number: CN202121128015.8U
Authority: CN
Inventors: 苏灵子; 卜建波
Original assignee: Huangjie New Energy Technology Shanghai Co ltd
Current assignee: Huangjie New Energy Technology Shanghai Co ltd
Priority date: 2021-05-24
Filing date: 2021-05-24
Publication date: 2021-11-09
Anticipated expiration: 2031-05-24

Abstract

The utility model discloses a graphite alkene integrative electric heat membrane that electrically conducts, including the PET substrate, the upper end of PET substrate is provided with the copper foil, PET tectorial membrane and graphite alkene generate heat and are provided with the hot melt adhesive between the layer, the constant head tank has been seted up to the inside of copper foil. This electrically conductive integrative electric heat membrane of graphite alkene, the PET material that has insulating effect is adopted in the outside with the electric heat membrane, paste the copper foil through pasting the agent in the outside of PET substrate, the copper foil acts as the electrode part of electric heat membrane, make the insulating substrate combined material of copper foil electrode, the insulating substrate combined material of copper foil electrode that makes simultaneously needs to carry out drying process, cover graphite alkene heating paint on the surface of the insulating substrate combined material of copper foil electrode after drying process again, the rethread PET tectorial membrane is encapsulated, the effectual contact resistance that has reduced between each material, each sheet fifty percent discount is crooked simultaneously, the resistance all does not take place obvious change, electric conductive property is better simultaneously, heat energy conversion efficiency is higher, the practicality has been improved greatly.

Description

Graphite alkene electrically conducts integrative electric heat membrane

Technical Field

The utility model relates to an electric heat heating product makes technical field, specifically is an electrically conductive integrative electric heat membrane of graphite alkene.

Background

The electric heating film adopts a resistance heating mode, the heating technology is researched abroad in the past fifty years and is used for heat preservation and heating of pipelines, electric wires and cables, at the end of the fifty years, the American Blakesler heating product company develops heating electricity transmission with constant power according to a flexible heating belt, so that the practical application scheme of the electric heating film is feasible, in the early sixties, the American Rekan company develops a heating cable with resistance capable of changing along with temperature in a nonlinear way, uses semiconductive plastic, can automatically adjust heat output power, can be used for heating and heat preservation, is an initial product for the application of the electric heating film, the initial manufacturing material of the electric heating film is gold, silver, platinum and other precious metals and semiconductor materials doped with oxide, tin oxide and indium tin oxide, in addition, the high requirement of the manufacturing process and the complexity of manufacturing equipment cause the manufacturing cost of the electric heating film to be expensive, the application field is only a few high-consumption fields such as aviation, aerospace, military, oil exploitation and the like, from the seventies, with continuous and deep research on the electrothermal film technology, the film making process, the configuration technology of a conductive medium and the like are gradually mature, the reliability and the stability of the electrothermal film are obviously improved, the manufacturing cost is gradually reduced, the application range is also continuously expanded, the electrothermal film technology is developed and utilized in many countries at the end of the seventies, the electrothermal film technology is quite widely applied in the middle and later eighties, the electric heating technology has the remarkable advantages of clean energy, high heat conversion efficiency, convenient pavement design and the like, the electric heating technology is widely applied in the fields of modern buildings, heating engineering, decoration and the like, and the development of the high-performance carbon-based heating material with low resistance, high thermal conductivity and high heat resistance stability is becoming the future development trend aiming at the defect of low efficiency of the traditional electric heating technology, the electric heating film is increasingly widely used due to the advantage of high heating efficiency.

However, the existing electric heating film preparation process is complicated, the environmental protection requirement cannot be met, poor contact of an electrode layer can be caused when the electric heating film is used specifically, the problems of influence on safety and the like caused by electric appliance faults are solved, the electric heating film product in the prior art is high in required voltage during heating, low in heat production speed and poor in bending resistance, so that the heating film is failed due to damage, meanwhile, the tensile strength of the common electric heating film is not enough, the fracture condition is easily caused under the pulling of external force, the use is influenced, meanwhile, when the copper foil is pasted with a base material, a good positioning structure is not provided, the copper foil is easy to deviate when being pasted, the subsequent use is influenced, and the practicability is greatly reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a graphite alkene integrative electric heat membrane that conducts electricity, it is loaded down with trivial details with current electric heating film preparation process to propose in solving above-mentioned background art, reach the environmental protection requirement, and can appear electrode layer contact failure when specifically using, cause electrical fault to influence safe scheduling problem, the electric heating film product heating in the prior art exists required voltage height, the heat production speed is slow with the poor problem of resistant bending nature, so that appear the damage and lead to heating film inefficacy, the tensile strength of ordinary electric heat membrane is not enough simultaneously, the very easy cracked condition of appearing under the pulling that receives external force, the influence is used, paste simultaneously at copper foil and substrate, do not have fine location structure, make the copper foil appear the skew very easily when pasting, influence subsequent use, greatly reduced the problem of practicality.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a graphite alkene integrative electric heat membrane that conducts electricity, includes the PET substrate, the upper end of PET substrate is provided with the copper foil, be provided with glutinous subsides agent between copper foil and the PET substrate, the upper end of PET substrate is located and is provided with graphite alkene layer that generates heat between the copper foil, graphite alkene layer that generates heat's upper end is provided with the stretch-proofing layer, stretch-proofing layer and graphite alkene generate heat and are provided with the hot melt adhesive between the layer, the upper end on stretch-proofing layer is provided with the PET tectorial membrane, be provided with the same hot melt adhesive between PET tectorial membrane and the stretch-proofing layer, the upper end fixedly connected with locating piece of PET substrate, the constant head tank has been seted up to the inside of copper foil.

Preferably, the thickness of PET substrate is greater than the thickness of copper foil and PET tectorial membrane, adopt cladding integral structure between PET substrate and copper foil and the PET tectorial membrane, reduce the risk that the heating element edge struck sparks and leads to catching fire, improved energy utilization.

Preferably, the two copper foils are symmetrically arranged about the vertical central line of the PET base material, and the copper foils and the PET base material are connected in a sticking mode through a sticking agent, so that the stripping resistance is improved.

Preferably, the length and width of the graphene heating layer is the same as the length and width of the gap between the copper foil and the PET substrate, and the graphene heating layer uniformly covers the gap between the copper foil and the PET substrate, so that the high thermal conductivity and the high heat resistance of the electric heating film are improved, the contact resistance is reduced, and the energy utilization rate is improved.

Preferably, the length and width of PET tectorial membrane is the same with the length and width of PET substrate, it is connected to paste through the hot melt adhesive between PET tectorial membrane and the graphite alkene layer that generates heat, and encapsulation treatment improves anti peel performance.

Preferably, the stretch-proofing layer comprises a first supporting layer, a convex block, a second supporting layer and a groove, the convex block is fixedly connected to the lower end of the first supporting layer, the groove is formed in the second supporting layer, and the convex block is connected with the groove in a clamping mode, so that the stretch-proofing strength is improved.

Compared with the prior art, the beneficial effects of the utility model are that:

the graphene conductive integrated electric heating film adopts a PET material with an insulating effect on the outer side of the electric heating film through the arrangement of the positioning block, the positioning groove, the stretch-resistant layer, the PET substrate, the copper foil, the adhesive agent, the graphene heating layer, the PET covering film and the hot melt adhesive, the copper foil is adhered on the outer side of the PET substrate through the adhesive agent and can be connected through the positioning block and the positioning groove when the copper foil is installed, the copper foil is prevented from deviating, meanwhile, the stretch-resistant layer can improve the tensile strength of the electric heating film, the copper foil serves as an electrode part of the electric heating film to prepare a copper foil electrode insulating substrate composite material, meanwhile, the prepared copper foil electrode insulating substrate composite material needs to be dried, after the drying treatment, the graphene heating coating is covered on the surface of the copper foil electrode insulating substrate composite material, and then the PET covering film is used for packaging, so that the contact resistance among all materials is effectively reduced, meanwhile, the sheets are folded and bent, the resistance value is not obviously changed, the conductivity is better, the heat energy conversion efficiency is higher, and the practicability is greatly improved.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

FIG. 3 is a schematic view of a three-dimensional structure of the PET substrate of the present invention;

FIG. 4 is a schematic view of the PET substrate of the present invention;

fig. 5 is a schematic sectional structure view of the stretch-resistant layer of the present invention.

In the figure: 1. a PET substrate; 2. copper foil; 3. a patch agent; 4. a graphene heating layer; 5. PET film covering; 6. hot melt adhesive; 7. a stretch resistant layer; 8. positioning blocks; 9. positioning a groove; 71. a first support layer; 72. a bump; 73. a second support layer; 74. and (4) a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a graphite alkene integrative electric heat membrane that conducts electricity, including PET substrate 1, the upper end of PET substrate 1 is provided with copper foil 2, PET substrate 1 also can choose for use non-woven fabrics or melt-blown cloth, be provided with adhesive 3 between copper foil 2 and the PET substrate 1, the upper end of PET substrate 1 is located and is provided with graphite alkene layer 4 that generates heat between copper foil 2, graphite alkene layer 4's that generates heat upper end is provided with stretch-proofing layer 7, stretch-proofing layer 7 and graphite alkene generate heat and are provided with hot melt adhesive 6 between the layer 4, stretch-proofing layer 7's upper end is provided with PET tectorial membrane 5, be provided with the same hot melt adhesive 6 between PET tectorial membrane 5 and the stretch-proofing layer 7, PET substrate 1's upper end fixedly connected with locating piece 8, constant head tank 9 has been seted up to copper foil 2's inside.

Further, the thickness of PET substrate 1 is greater than the thickness of copper foil 2 and PET tectorial membrane 5, adopts cladding integral structure between PET substrate 1 and copper foil 2 and the PET tectorial membrane 5, reduces the risk that the heat-generating body edge struck sparks and leads to catching fire, has improved energy utilization.

Further, two copper foils 2 are symmetrically arranged about the vertical center line of the PET substrate 1, and the copper foils 2 and the PET substrate 1 are connected in a sticking mode through the sticking agent 3, so that the stripping resistance is improved.

Further, the length and width of graphite alkene layer 4 that generates heat is the same with the length and width in clearance between copper foil 2 and the PET substrate 1, and graphite alkene layer 4 that generates heat evenly covers in the clearance between copper foil 2 and the PET substrate 1, improves the high thermal conductivity of electric heat membrane, and high heat resistance reduces contact resistance, improves energy utilization.

Further, the length and width of PET tectorial membrane 5 is the same with the length and width of PET substrate 1, and PET tectorial membrane 5 and graphite alkene generate heat between the layer 4 through hot melt adhesive 6 paste the connection, and the encapsulation is handled, improves anti peel performance.

Further, the interior of the stretch-proofing layer 7 comprises a first supporting layer 71, a convex block 72, a second supporting layer 73 and a groove 74, the lower end of the first supporting layer 71 is fixedly connected with the convex block 72, the groove 74 is formed in the interior of the second supporting layer 73, and the convex block 72 is connected with the groove 74 in a clamping mode, so that the stretch-proofing strength is improved.

The working principle is as follows: firstly, copper foils 2 are adhered to two sides of the upper end of a PET substrate 1 through adhesive agents 3, the copper foils 2 are prevented from deviating through the matching between a positioning block 8 and a positioning groove 9 during adhering, then a graphene heating layer 4 is coated in a gap between the PET substrate 1 and the copper foils 2 to prepare a copper foil electrode insulation substrate composite material after coating, then the copper foil electrode insulation substrate composite material is dried by heating slurry through an oven, a graphene heating film is formed by curing the surface of the copper foil electrode insulation substrate composite material, then a PET coating film 5 is adhered to the graphene heating layer 4 through hot melt adhesive 6 to encapsulate the whole electrothermal film, then the copper foils 2 on the outer side of the encapsulated graphene conductive integrated electrothermal film are used as conductive electrode parts, and electrodes are connected with an electrothermal film temperature controller and an external power line through leads, and preparing a finished product of the graphene electrothermal film for heating.

It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. The utility model provides an electrically conductive integrative electric heat membrane of graphite alkene, includes PET substrate (1), its characterized in that: the upper end of PET substrate (1) is provided with copper foil (2), be provided with between copper foil (2) and PET substrate (1) glutinous plaster agent (3), the upper end of PET substrate (1) is located and is provided with graphite alkene layer (4) that generates heat between copper foil (2), the upper end that graphite alkene layer (4) generates heat is provided with stretch-proofing layer (7), stretch-proofing layer (7) and graphite alkene generate heat and are provided with hot melt adhesive (6) between layer (4), the upper end of stretch-proofing layer (7) is provided with PET tectorial membrane (5), be provided with same hot melt adhesive (6) between PET tectorial membrane (5) and stretch-proofing layer (7), the upper end fixedly connected with locating piece (8) of PET substrate (1), constant head tank (9) have been seted up to the inside of copper foil (2).

2. The graphene conductive integrated electrothermal film according to claim 1, wherein: the thickness of the PET base material (1) is larger than the thickness of the copper foil (2) and the PET covering film (5), and a coating integrated structure is adopted among the PET base material (1), the copper foil (2) and the PET covering film (5).

3. The graphene conductive integrated electrothermal film according to claim 1, wherein: the two vertical central lines of the copper foil (2) relative to the PET base material (1) are symmetrically arranged, and the copper foil (2) and the PET base material (1) are connected through a sticking agent (3) in a sticking mode.

4. The graphene conductive integrated electrothermal film according to claim 1, wherein: the length and width of the graphene heating layer (4) are the same as the length and width of a gap between the copper foil (2) and the PET base material (1), and the graphene heating layer (4) is uniformly covered in the gap between the copper foil (2) and the PET base material (1).

5. The graphene conductive integrated electrothermal film according to claim 1, wherein: the length and width of PET tectorial membrane (5) is the same with the length and width of PET substrate (1), paste through hot melt adhesive (6) between PET tectorial membrane (5) and graphite alkene layer (4) and be connected.

6. The graphene conductive integrated electrothermal film according to claim 1, wherein: the anti-stretching layer (7) comprises a first supporting layer (71), a bump (72), a second supporting layer (73) and a groove (74) in the interior, the bump (72) is fixedly connected to the lower end of the first supporting layer (71), the groove (74) is formed in the interior of the second supporting layer (73), and the bump (72) is connected with the groove (74) in a clamping mode.