CN209897291U

CN209897291U - Graphene heating body

Info

Publication number: CN209897291U
Application number: CN201920416363.1U
Authority: CN
Inventors: 王士相
Original assignee: ZHEJIANG TIANYUN ELECTROMECHANICAL TECHNOLOGY Co Ltd
Current assignee: ZHEJIANG TIANYUN ELECTROMECHANICAL TECHNOLOGY Co Ltd
Priority date: 2019-03-29
Filing date: 2019-03-29
Publication date: 2020-01-03
Anticipated expiration: 2029-03-29

Abstract

The utility model provides a graphite alkene heat-generating body belongs to graphite alkene technical field. This graphite alkene heat-generating body, its characterized in that, including the layer that generates heat and set up two electrode terminals on the layer that generates heat, two electrode terminal intercommunications can be with the wire that the power is connected, and two electrode terminals all have the insulating piece with the layer junction that generates heat, the layer that generates heat include insulating film and the graphite alkene of setting in the insulating film both sides, the both sides on the layer that generates heat are provided with insulating layer one and insulating layer two respectively, the outside of insulating layer one is provided with mica plate one, the outside of insulating layer two is provided with mica plate two, the outside of mica plate one and mica plate two be provided with and can be fixed the package strake together with mica plate one with mica plate two. The utility model discloses after the circular telegram, the electric energy turns into heat energy through the layer that generates heat to the realization supplies heat to external environment, in order to reach effects such as heating or stoving.

Description

Graphene heating body

Technical Field

The utility model belongs to the technical field of graphite alkene, a heat-generating body, especially a graphite alkene heat-generating body is related to.

Background

Graphene, one of the materials of greatest interest in recent years, is a honeycomb structure formed by a single layer of carbon atoms, and is one of the materials with the smallest thickness, the lightest weight and the greatest strength in the world. Meanwhile, graphene also has good thermal properties, researches show that graphene is the substance with the highest thermal conductivity in the world, the thermal conductivity coefficient is as high as 5000W/m.K and is 50-100 times of that of common metals, the percolation threshold is only 0.2 wt%, and a single-layer two-dimensional structure of graphene is easy to form a thermal conduction channel in a matrix, so that graphene is an ideal filler for improving the thermal conductivity.

The graphene heating material is a novel material for converting electric energy into heat energy, is different from another heating material with heating modes such as an electric heating tube, a heating wire, a microwave generator, an electromagnetic generator, light wave radiant heat and the like, can directly convert the electric energy into the heat energy in a conductive mode, and can transfer the heat energy into the air in a radiation and conduction mode.

The graphene heating material is originated in an electric heating base material, is attached to any carrier by the self electric heating characteristic, can be made into a heating body with any power, and can also be suitable for being used in alternating current and direct current environments with various voltages. The basic heating body has simple manufacturing process and can be manufactured by adopting the modes of spraying, printing, diaphragm, bonding, coating, electroplating and the like.

At present, cities and towns in northern heating areas in China basically form a pattern which mainly adopts central heating and adopts a plurality of heating modes as supplements, but the problems of insufficient heat source supply, low specific gravity of a clean heat source, high heating energy consumption and the like exist, and the problems are not favorable for guaranteeing the heating requirements of the masses and reducing the pollutant emission. In China, the temperature in the north is low in winter, and in the south, although the temperature is not low in the north, the temperature sensed by a human body is also very low due to the fact that a warm air is not arranged in a room and the humidity and the cold are added, and the heating equipment is necessary equipment in the season. Among the popular products at present, the electric heater is accepted by consumers due to the advantages of safety, convenience, no pollution, high flexibility and the like, and gradually becomes mainstream heating equipment, and the carbon crystal heater is favored by some consumers due to the advantages of health, fast heating and high efficiency.

Through retrieval, as disclosed in chinese patent literature, a graphene heating plate [ patent No.: ZL 201721707988.0; authorization notice number: CN 207518876U ]. The graphene heating plate takes the middle layer film as a carrier, and one side of the middle layer film is also printed with a graphene heating layer prepared by mixing a graphene material and an ink material, wherein the graphene heating layer consists of an upper heating part and a lower heating part, and the gram weight of the unit area of the graphene material in the upper heating part is lower than that of the unit area of the graphene material in the lower heating part; and a metal current-carrying layer for forming an electrode is also arranged on the graphene heating layer. This kind of graphite alkene generates heat the board through generating heat the layer with graphite alkene and set to the portion of generating heat and send the heat portion down for go up the portion of generating heat and have than sending the lower power of heat portion down, combine "the cold air is heavy, the thermodynamics principle that warm air is light", send the heat portion power big, its heating temperature is higher, partial heat rises and complements the temperature of the portion of generating heat of going up, makes the holistic surface temperature of the board that generates heat more even, has safe and reliable, energy-concerving and environment-protective advantage simultaneously.

However, the graphene heating plate has the problems that the insulating effect of the graphene heating layer is not good enough, the potential safety hazard is easily caused, the rigidity of the graphene heating plate is low, and the heat dissipation effect is poor. Therefore, for technical personnel in the field, the graphene heating plate in the prior art needs to be improved, so that the insulating property and the safety performance of the graphene heating plate can be improved, the rigidity strength of the graphene heating plate can be ensured, and the heat dissipation effect is good.

Disclosure of Invention

The utility model aims at having the above-mentioned problem to current technique, provided a graphite alkene heat-generating body, the utility model aims to solve the technical problem that how realize adopting graphite alkene to generate heat to realize heating or dry.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a graphite alkene heat-generating body, its characterized in that, including generating heat the layer and setting up two electrode terminals on the layer that generates heat, two electrode terminal intercommunications can be with the wire that the power is connected, and two electrode terminals all have the insulating piece with the layer junction that generates heat, the layer that generates heat include insulating film and set up the graphite alkene in the insulating film both sides, the both sides on layer that generate heat are provided with insulating layer one and insulating layer two respectively, the outside of insulating layer one is provided with mica plate one, the outside of insulating layer two is provided with mica plate two, the outside of mica plate one and mica plate two be provided with and to fix the package strake together with mica plate one and mica plate two.

The working principle of the graphene heating body is as follows: the first mica plate and the second mica plate can be used as rigid base materials of the heating body and are used for supporting the heating layer, the first insulating layer and the second insulating layer; the layer that generates heat is connected with the power through two electrode terminals, wire, and the circular telegram back, the electric energy turns into heat energy through the layer that generates heat, and graphite alkene has good heat conversion rate, will generate heat the layer and set up between mica plate one and mica plate two through insulating layer one and insulating layer two to the realization supplies heat to external environment, in order to reach effects such as heating or stoving.

In the graphene heating body, the graphene is fixed on two sides of the insulating film in a coating, printing or spraying manner. The insulating film is used as an adsorption carrier of graphene, and can effectively and directly attach the graphene heating material on the surface of the insulating film; its temperature resistance is higher than 280 deg.C, its pressure resistance is above 5KV/mm, and under the high-temperature state the phenomena of deformation, wrinkling and crazing can not be produced, so that it belongs to the flame-retardant material.

In the graphene heating body, the first insulating layer and the second insulating layer are both PI films or glass fiber films.

In the graphene heating body, the first insulating layer and the second insulating layer are arranged on two sides of the heating layer in a laying mode.

In the graphene heating body, the heating layer is rectangular, and the two electrode terminals are arranged on two opposite sides of the heating layer.

Compared with the prior art, the utility model has the advantages of it is following: the utility model discloses a circular telegram back, the electric energy turns into heat energy through the layer that generates heat, and graphite alkene has good heat conversion rate, will generate heat the layer and pass through insulating layer one and insulating layer two and set up between mica plate one and mica plate two to the realization supplies heat to the external environment, in order to reach effects such as heating or stoving.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure, 1, a heat generating layer; 2. an electrode terminal; 3. a first insulating layer; 4. a second insulating layer; 5. a mica plate I; 6. a second mica plate; 7. wrapping strips; 8. an insulating sheet.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, a graphene heating body comprises a heating layer 1 and two electrode terminals 2 arranged on the heating layer 1, wherein the two electrode terminals 2 are communicated with a wire which can be connected with a power supply, and the joints of the two electrode terminals 2 and the heating layer 1 are provided with insulating sheets 8. The heating layer 1 comprises an insulating film and graphene arranged on two sides of the insulating film, two sides of the heating layer 1 are respectively provided with a first insulating layer 3 and a second insulating layer 4, the outer side of the first insulating layer 3 is provided with a first mica plate 5, the outer side of the second insulating layer 4 is provided with a second mica plate 6, and the outer sides of the first mica plate 5 and the second mica plate 6 are provided with wrapping strips 7 capable of fixing the first mica plate 5 and the second mica plate 6 together.

The mica plate I5 and the mica plate II 6 are used as rigid base materials of the heating body, the connection strength with certain strength is achieved, the heat-resistant temperature is higher than 380 ℃, the surface is smooth, or graphene heating materials can be directly coated on the surface, the pressure resistance is higher than 10KV/mm, the water permeability is lower than 1%, the heating wire cannot burn when being subjected to a glowing wire test at 750 ℃, and the problems of bulging, bursting, luminescence, power attenuation and the like cannot occur in the mica plate I5 and the mica plate II 6 in the working process.

The edge covering strip 7 is used as an edge covering of the peripheries of the first mica plate 5 and the second mica plate 6, and is mainly used for enabling the whole heating body to prevent external water vapor and moisture from entering the inside of the heating body.

Two electrode terminals 2 are effective power supply conductors, can be reliable directly let in the graphite alkene heat-generating body with the power, make the electric energy generate heat layer 1 through graphite alkene and directly convert heat energy.

The insulating sheet 8 is arranged at the connecting position of the two electrode terminals 2 and the heating layer 1, and the insulating sheet 8 can perform insulating treatment on the connecting position of the electrode terminals 2, so that the use safety is improved. The insulating piece 8 can be fixed to be set up in electrode and the layer 1 hookup location that generates heat through the mode that bonds, and insulating piece 8 is rubber or silica gel. The insulating sheet 8 is made of rubber or silica gel, and has the advantages of low material cost, high performance-to-price ratio, good flexibility, strong bending resistance and wide application range.

In this embodiment, the graphene is fixed on both sides of the insulating film by coating, printing or spraying. The insulating film is used as an adsorption carrier of graphene, and can effectively and directly attach the graphene heating material on the surface of the insulating film; its temperature resistance is higher than 280 deg.C, its pressure resistance is above 5KV/mm, and under the high-temperature state the phenomena of deformation, wrinkling and crazing can not be produced, so that it belongs to the flame-retardant material.

In this embodiment, the insulating film, the first insulating layer 3, and the second insulating layer 4 are all PI films or glass fiber films.

In this embodiment, the first insulating layer 3 and the second insulating layer 4 are disposed on both sides of the heat generating layer 1 by means of laying.

In the present embodiment, the heat generating layer 1 has a rectangular shape, and the two electrode terminals 2 are disposed on two opposite sides of the heat generating layer 1.

The working principle of the graphene heating body is as follows: generate heat layer 1 and be connected with the power through two electrode terminal 2, wire, the circular telegram back, the electric energy turns into heat energy through generating heat layer 1, and graphite alkene has good heat conversion rate, will generate heat layer 1 and set up between mica plate one 5 and mica plate two 6 through insulating layer one 3 and insulating layer two 4 to the realization supplies heat to external environment, in order to reach effects such as heating or stoving. Compared with the prior art, the method has the advantages that: the layer 1 that generates heat that adopts graphite alkene to make generates heat, can make layer 1 that generates heat generate heat through using electricity, and graphite alkene has good heat conversion rate moreover, and is efficient, the heat loss is little, energy saving and environmental protection, need not to concentrate the heating, and the independent heating of every household, the heating mode is more free.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although 1, heat generating layer is used more herein; 2. an electrode terminal; 3. a first insulating layer; 4. a second insulating layer; 5. a mica plate I; 6. a second mica plate; 7. wrapping strips; 8. insulating sheet, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides a graphite alkene heat-generating body, its characterized in that, including generating heat the layer and setting up two electrode terminals on the layer that generates heat, two electrode terminal intercommunications can be with the wire that the power is connected, and two electrode terminals all have the insulating piece with the layer junction that generates heat, the layer that generates heat include insulating film and set up the graphite alkene in the insulating film both sides, the both sides on layer that generate heat are provided with insulating layer one and insulating layer two respectively, the outside of insulating layer one is provided with mica plate one, the outside of insulating layer two is provided with mica plate two, the outside of mica plate one and mica plate two be provided with and to fix the package strake together with mica plate one and mica plate two.

2. A graphene heat-generating body as described in claim 1, wherein the graphene is fixed on both sides of the insulating film by coating, printing or spraying.

3. A graphene heating body as claimed in claim 1 or 2, wherein the first insulating layer and the second insulating layer are both PI films or glass fiber films.

4. A graphene heat-generating body as claimed in claim 3, characterized in that the first insulating layer and the second insulating layer are disposed on both sides of the heat-generating layer by way of laying.

5. A graphene heat-generating body as described in claim 1, wherein the heat-generating layer is rectangular, and the two electrode terminals are disposed on two opposite sides of the heat-generating layer.