CN210425231U - Use graphite alkene glass's that generates heat electricity warm table - Google Patents
Use graphite alkene glass's that generates heat electricity warm table Download PDFInfo
- Publication number
- CN210425231U CN210425231U CN201921022232.1U CN201921022232U CN210425231U CN 210425231 U CN210425231 U CN 210425231U CN 201921022232 U CN201921022232 U CN 201921022232U CN 210425231 U CN210425231 U CN 210425231U
- Authority
- CN
- China
- Prior art keywords
- glass
- heat
- graphene
- protective cover
- heating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Carbon And Carbon Compounds (AREA)
Abstract
The utility model discloses an electric heating table using graphene heating glass, which comprises first graphene heating glass, a first protective cover and a protective heating panel; the lower heating device comprises second graphene heating glass, a second protective cover and a heat-conducting insulating plate; the first graphene heating glass is fixedly arranged in the first protective cover, and the protective heat dissipation plate is arranged at the opening of the first protective cover; the second graphene heating glass is arranged in the second protective cover, and the heat-conducting insulating plate is fixed at the opening of the second protective cover. A small amount of near infrared rays and middle infrared rays generated in the graphene heating glass directly act on the protective heating panel and the heat conduction insulating panel, the near infrared rays and the middle infrared rays are filtered by the protective heating panel and the heat conduction insulating panel and then transmitted in a far infrared ray mode, and the near infrared rays and the middle infrared rays are reduced and directly act on human skin. The far infrared ray penetrates the tissue to a depth of less than 2mm, and the far infrared ray penetrates the skin tissue to a depth of about 2mm, so that the human body feels most comfortable, and low-temperature burn cannot be caused.
Description
Technical Field
The utility model belongs to warm table field of electricity, concretely relates to use graphite alkene glass's that generates heat electric warm table.
Background
The heating is an important problem in winter because no collective heating or regions unsuitable for central heating in rural areas are adopted, most of the heating is carried out by adopting an electric heating table, an air conditioner, an electric fan, little sun and the like, the electric heating table is energy-saving and environment-friendly compared with the air conditioner, the electric fan, the little sun and the like, the air humidity of the air conditioner can be reduced in an encapsulation space, for people in the south, the air temperature can be reduced to cause symptoms such as skin chapping and nostril bleeding, therefore, the electric heating table or the 'little sun' becomes important equipment for heating in winter in the south, the traditional electric heating table and the little sun are powered on by heating wires to generate heat, the uniformity of heating is difficult to guarantee, the power is large, the power is basically more than 1KW, and dangers such as fire.
Glass is a long-history, widely used amorphous silicate material, while graphene is a two-dimensional layered material consisting of only carbon atoms, which has been discovered in recent years. Graphene has ultrahigh mechanical strength, electrical conductivity, thermal conductivity and transparency, and is exactly complementary to conventional glass. The graphene and the glass are combined together, and on the basis of keeping transparency, the common glass is endowed with electrical conductivity, thermal conductivity and surface hydrophobicity, so that the graphene glass has very important practical significance and theoretical value.
Glass is a poor conductor of heat and is brittle. When the temperature difference between the inside and outside of the glass is too large, the glass is cracked due to the inconsistency of the internal stress of the glass caused by the difference of the expansion rates. It is very necessary to solve the problem of glass cracking caused by uneven heating. Graphene is the thinnest and hardest nano material known in the world, single-layer graphene is almost completely transparent and only absorbs 2.3% of light, and the thermal conductivity coefficient of graphene is as high as 5300W/m.K and is higher than that of diamond.
At present, a plurality of technologies for preparing heating glass by using graphene are available: CN108558225A provides a graphene glass and a preparation process thereof, quartz sand, borax, boric acid, barite, barium carbonate, limestone and feldspar are taken according to the proportioning, fully mixed and stirred, heated at high temperature, cooled, added with graphene and soda ash and stirred, and then glass forming work is carried out; the graphene glass is formed into graphene glass with different shapes or different purposes.
The graphene glass prepared by the graphene glass preparation process has high bending resistance, compression resistance and impact resistance, is soft in material, high in toughness and not easy to damage; however, graphene in the graphene glass prepared by the method is easy to cause the problem of agglomeration, and the graphene is not uniformly distributed in the glass; the heat conduction is also not uniform.
The utility model patent with patent number CN201711109005.8 discloses a preparation method of toughening filler for organic glass, which comprises the following steps: (1) surface pretreatment, (2) primary modification treatment and (3) secondary modification treatment; the filler particles prepared by the utility model have special structures, can play a toughening role on organic glass, and improve the use quality of the organic glass.
But the prior art lacks of better application of graphene to a heating table to solve the problem of soaking; in addition, the existing heating glass is complex in preparation process flow, so that graphene heating glass and an electric heating table with the graphene heating glass are urgently needed to meet the current requirements.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides an electric heating table using graphene heating glass, which comprises an electric heating table frame, an upper heating device and a lower heating device, wherein the upper heating device and the lower heating device are arranged in the electric heating table; the upper heating device comprises first graphene heating glass, a first reflecting film, a first protective cover and a protective heat dissipation plate; the graphene heating glass heats after being electrified and releases in the form of far infrared rays which can be divided into three parts of near infrared rays, middle infrared rays and far infrared rays. Wherein:
near infrared rays having a wavelength of (0.75 to 1) to (2.5 to 3) μm;
middle infrared ray with wavelength of 2.5-3-25-40 μm;
far infrared rays with a wavelength of 25 to 40 to 500 μm.
The near infrared ray or short wave infrared ray penetrates deeper into human tissues, about 5-10 mm; far infrared rays or long-wave infrared rays are mostly absorbed by surface skin, and the depth of penetrating tissues is less than 2 mm. The infrared ray penetrating through the skin tissue is most comfortable in body feeling after about 2mm, and low-temperature burn cannot be caused.
The lower heating device comprises second graphene heating glass, a second reflecting film, a second protective cover and a heat-conducting insulating plate; the first graphene heating glass is fixedly arranged in the first protective cover, and the protective heat dissipation plate is arranged at the opening of the first protective cover; the second graphene heating glass is arranged in the second protective cover, and the heat-conducting insulating plate is fixed at the opening of the second protective cover. The reflecting film is a Dike aluminum foil heat insulation film and is formed by gluing and pressing aluminum foil veneers, polyethylene films, fiber braided fabrics and metal coating films, has excellent heat insulation performance and can reflect more than 93% of radiant heat. The heat-conducting insulating plate material is a heat-conducting silica gel sheet, metal oxide ceramic and the like.
As a further improvement of the above technical solution:
the first graphene heating glass and the bottom of the first protective cover form a vacuum area, and the vacuum area is free of a transmission medium, so that the first graphene heating glass can only radiate towards the opening of the glass cover, the energy loss is reduced, infrared rays are mainly represented as heat energy, the generated heat energy is controlled and utilized, and energy conservation is realized; the first graphene heating glass and the first protective cover form an upper heating body of the electric heating table. The first reflection film is arranged on one side, facing the bottom of the first protective cover, of the first graphene heating glass; second graphite alkene generates heat glass and second protection casing bottom constitution vacuum area, the second reflectance coating is installed and is generated heat glass towards second protection casing bottom one side at the second graphite alkene. The second graphene heating glass and the second protective cover form a heating body at the lower part of the electric heating table.
As a further improvement of the above technical solution:
protection heating panel and first graphite alkene generate heat glass apart from being greater than 2cm at least, and protection heating panel and first graphite alkene generate heat glass apart from too closely, and the produced heat of glass that generates heat of first graphite alkene is not enough to protection heating panel transmission buffering, easily causes the protection heating panel overheated. The protective heat dissipation plate is uniformly provided with heat dissipation holes, and the diameters of the heat dissipation holes are 0.5 mm-1.0 mm; the diameter of the radiating hole is close to or smaller than the wavelength of far infrared rays generated by heating of the graphene heating glass after electrification, so that the far infrared rays generate a diffraction phenomenon when passing through the radiating hole, and the wavelength is unchanged after diffraction because a transmission medium is not changed, or the wavelength is not changed greatly because the air temperature is slightly different. The distance between every two adjacent heat dissipation holes is 3-5 times of the diameter of each heat dissipation hole. The two adjacent heat dissipation holes form a heat dissipation diffraction grating, and the distance between the two heat dissipation holes is the space between the heat dissipation diffraction gratings. After the far infrared rays are diffracted by the radiating holes, the radiating holes are used as a new wave source, and the diffracted far infrared rays are more uniformly distributed. Under the condition that the wavelength is not changed, far infrared rays are more dispersed, wave sources are more, and the experience of heating is better and more comfortable.
The distance between the heat-conducting insulating plate and the second graphene heating glass is at least larger than 2cm, the distance between the heat-conducting insulating plate and the second graphene heating glass is too close, and the heat generated by the second graphene heating glass is not sufficiently transferred and buffered to the heat-conducting insulating plate, so that the heat-conducting insulating plate is easily overheated. The heat conducting insulating plate is uniformly provided with heat conducting holes, and the diameter of each heat conducting hole is 0.5-1.0 mm; the diameter of the heat conduction hole is close to or smaller than the wavelength of the far infrared ray generated by heating the graphene heating glass after being electrified, so that the far infrared ray generates a diffraction phenomenon when passing through the heat conduction hole, and the wavelength is not changed because a transfer medium is not changed or is not changed greatly because the air temperature is slightly different. The distance between every two adjacent heat conduction holes is 3-5 times of the diameter of each heat conduction hole. The two adjacent heat conduction holes form a heat conduction diffraction grating, and the distance between the two heat dissipation holes is the interval between the heat conduction diffraction gratings. After the far infrared rays are diffracted by the radiating holes, the radiating holes are used as a new wave source, and the diffracted far infrared rays are more uniformly distributed. Under the condition that the wavelength is not changed, far infrared rays are more dispersed, wave sources are more, and the experience of heating is better and more comfortable.
After infrared rays radiated by the graphene glass are diffracted, infrared waves are multiplied.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model has the advantages that the modified glass powder reacts with the graphene oxide, and the lamellar graphene obtained after thermal reduction is uniformly distributed in the glass, so that the problem of graphene agglomeration is effectively solved, and the uniform distribution of the graphene is ensured; the strength between the graphene and the glass is enhanced through a coupling agent; the addition of the graphene effectively improves the fracture toughness and strength of the glass; the method is characterized in that flake graphene and spherical heat-conducting ultrafine alumina particles are adopted, the spherical ultrafine alumina particles can play a role in supporting the graphene, and the graphene connects the spherical ultrafine alumina particles, so that the glass is uniformly heat-conducting; the graphene transparent conductive film is formed by coating on the graphene heating glass, the binding force between the graphene and the glass can be improved, and the graphene transparent conductive film has good optical and electrical properties and can be completely applied to a heating table.
2. After the graphene heating glass is electrified to generate heat, energy is transferred in a far infrared ray mode, compared with a metal resistance wire or a metal ceramic resistance wire which is electrified to generate heat, the far infrared ray generated by the utility model is more comfortable to heat, and the near infrared ray or short wave infrared ray penetrates into human tissues more deeply, about 5-10 mm; far infrared rays or long-wave infrared rays are mostly absorbed by surface skin, and the depth of penetrating tissues is less than 2 mm. The infrared ray penetrating through the skin tissue is most comfortable in body feeling after about 2mm, and low-temperature burn cannot be caused.
3. After graphite alkene glass that generates heat produced far infrared, it protects graphite alkene glass that generates heat to set up protection heating panel and heat conduction insulation board, direct contact graphite alkene glass that generates heat when avoiding the heating, evenly set up louvre and heat conduction hole on protection heating panel and the heat conduction insulation board, louvre and heat conduction hole diameter size are close or are less than far infrared's wavelength, far infrared produces diffraction phenomenon when passing through louvre and heat conduction hole, louvre and heat conduction hole are as new wave source, come out the more even radiation of heat, because the transmission medium all is the air, consequently the wavelength can not change yet, the comfort level of better assurance heating. A small amount of near infrared rays and middle infrared rays generated in the graphene heating glass directly act on the protective heating panel and the heat conduction insulating panel, the near infrared rays and the middle infrared rays are filtered by the protective heating panel and the heat conduction insulating panel and then transmitted in a far infrared ray mode, and the near infrared rays and the middle infrared rays are reduced and directly act on human skin.
4. The utility model discloses a heating table opens instant heating promptly, when not using the break-off power can, graphite alkene generate heat the vacuum interval of glass and the constitution of protection casing, and the reflectance coating is installed and is being generated heat glass towards protection casing bottom one side at graphite alkene, and the reflectance coating is with the infrared ray towards the reflection of protection casing mouth direction guidance quality, has reduced energy loss, realizes energy-conserving purpose. The solar warmer with smaller warming effect of the utility model can save 70 percent of energy. The utility model discloses need not the warm braw, reduce the moisture content loss of body surface, avoided because the air drying skin surface moisture content runs off and is split a crack.
5. Graphite alkene glass that generates heat is relatively even through the circular telegram back, and graphite alkene glass that generates heat is heated back to external radiation infrared ray, and protection heating panel and heat conduction insulation board are with near infrared ray and well infrared ray filtration, and far infrared produces the diffraction phenomenon, and louvre and heat conduction hole are as new wave source, further generate the infrared ray homogenization with graphite alkene glass that generates heat, and the messenger is heated more evenly.
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 structural diagram of the present invention.
Fig. 2 is a simple schematic diagram of the working principle of the protective heat dissipation plate of the present invention.
Reference numerals: 1. a first shield; 2. a first graphene heating glass; 3. a protective heat dissipation plate; 4. a second shield; 5. a second graphene heating glass; 6. a thermally conductive insulating plate; 7. a first reflective film; 8. a second reflective film.
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.
As shown in fig. 1-2, an electric heating table using graphene heating glass comprises an electric heating table frame, an upper heating device and a lower heating device installed in the electric heating table; the upper heating device comprises first graphene heating glass 2, a first reflecting film 7, a first protective cover 1 and a protective heat dissipation plate 3; the lower heating device comprises second graphene heating glass 5, a second reflecting film 8, a second protective cover 4 and a heat-conducting insulating plate 6; the first graphene heating glass 2 is fixedly arranged in the first protective cover 1 and forms a vacuum area with the bottom of the first protective cover 1, the first reflecting film 7 is arranged on one side, facing the bottom of the first protective cover 1, of the first graphene heating glass 2, and the protective heat dissipation plate 3 is arranged at the opening of the first protective cover 1; second graphite alkene generates heat glass 5 and installs in second protection casing 4 and constitute the vacuum area with second protection casing 4 bottom, and second reflectance coating 8 is installed and is generated heat glass 2 towards second protection casing 4 bottom one side at first graphite alkene, and heat conduction insulation board 6 is fixed at second protection casing 4 mouth.
The distance between the protective heat dissipation plate 3 and the first graphene heating glass 2 is at least more than 2cm, heat dissipation holes are uniformly formed in the protective heat dissipation plate 3, and the diameter of each heat dissipation hole is 0.5-1.0 mm; the distance between every two adjacent heat dissipation holes is 3-5 times of the diameter of each heat dissipation hole.
The distance between the heat-conducting insulating plate 6 and the second graphene heating glass 5 is at least more than 2cm, heat-conducting holes are uniformly formed in the heat-conducting insulating plate 6, and the diameters of the heat-conducting holes are 0.5-1.0 mm; the distance between two adjacent heat dissipation holes is 3-5 times of the diameter of the heat conduction hole.
The graphene heating glass is composed of the following raw materials in parts by weight: 65-70 parts of glass powder, 60-65 parts of graphene, 5-9 parts of superfine alumina, 4-8 parts of a silane coupling agent, 6-8 parts of water-based acrylic resin, 3-8 parts of propylene glycol methyl ether, 2-6 parts of a defoaming agent, 3-9 parts of a dispersing agent and 8-15 parts of distilled water.
The graphene is lamellar graphene; the superfine alumina is spherical heat-conducting superfine alumina with the mesh number of 900-4500.
Example 1:
an electric heating table applying graphene heating glass comprises an electric heating table frame, an upper heating device and a lower heating device, wherein the upper heating device and the lower heating device are arranged in the electric heating table; the upper heating device comprises first graphene heating glass 2, a first reflecting film 7, a first protective cover 1 and a protective heat dissipation plate 3; the lower heating device comprises second graphene heating glass 5, a second reflecting film 8, a second protective cover 4 and a heat-conducting insulating plate 6; the first graphene heating glass 2 is fixedly arranged in the first protective cover 1 and forms a vacuum area with the bottom of the first protective cover 1, the first reflecting film 7 is arranged on one side, facing the bottom of the first protective cover 1, of the first graphene heating glass 2, and the protective heat dissipation plate 3 is arranged at the opening of the first protective cover 1; second graphite alkene generates heat glass 5 and installs in second protection casing 4 and constitute the vacuum area with second protection casing 4 bottom, and second reflectance coating 8 is installed and is generated heat glass 2 towards second protection casing 4 bottom one side at first graphite alkene, and heat conduction insulation board 6 is fixed at second protection casing 4 mouth.
The distance between the protective heat dissipation plate 3 and the first graphene heating glass 2 is 2cm, heat dissipation holes are uniformly formed in the protective heat dissipation plate 3, and the diameter of each heat dissipation hole is 0.5 mm; the distance between two adjacent heat dissipation holes is 3 times of the diameter of the heat dissipation hole.
The distance between the heat-conducting insulating plate 6 and the second graphene heating glass 5 is 2cm, heat-conducting holes are uniformly formed in the heat-conducting insulating plate 6, and the diameter of each heat-conducting hole is 0.5 mm; the distance between two adjacent heat dissipation holes is 3 times of the diameter of the heat conduction hole.
A preparation method of graphene heating glass comprises the following steps:
s1, adding 60 parts of graphene and 5 parts of superfine alumina into 130 parts of tap water, dispersing uniformly, and grinding into heat-conducting slurry;
s2, adding the heat-conducting slurry into 8 parts of distilled water, and performing ultrasonic treatment to obtain a suspension;
s3, adding 4 parts of silane coupling agent into 65 parts of glass powder, and carrying out sealed ultrasonic treatment for 25min to obtain mixed slurry;
s4, adding the suspension prepared in the step S2 into the mixed slurry, and stirring for 25min to prepare a graphene heating glass composite solution;
s5, uniformly mixing and dispersing the graphene heating glass composite solution with 6 parts of water-based acrylic resin, 3 parts of propylene glycol methyl ether, 2 parts of defoaming agent and 3 parts of dispersing agent to prepare a mixed solution;
s6, carrying out glass forming work on the mixed liquid, and rapidly reducing the temperature of the mixed liquid through a rolling method, a centrifugal casting method and a sintering method to prepare the graphene heating glass;
s7, coating the precursor solution on the upper surface of the graphene heating glass to form an intermediate film layer, wherein the precursor solution is a mixture of organic glucose and polyetherimide, and the intermediate film layer is coated with the graphene dispersion solution to form a graphene transparent conductive film;
and S8, carrying out heat treatment on the graphene heating glass for forming the graphene transparent conductive film at the heat treatment temperature of 110 ℃ for 5 minutes, and then carrying out annealing treatment to finish the preparation.
Example 2:
an electric heating table based on graphene heating glass and applying infrared diffraction comprises an electric heating table frame, an upper heating device and a lower heating device, wherein the upper heating device and the lower heating device are arranged in the electric heating table; the upper heating device comprises first graphene heating glass 2, a first reflecting film 7, a first protective cover 1 and a protective heat dissipation plate 3; the lower heating device comprises second graphene heating glass 5, a second reflecting film 8, a second protective cover 4 and a heat-conducting insulating plate 6; the first graphene heating glass 2 is fixedly arranged in the first protective cover 1 and forms a vacuum area with the bottom of the first protective cover 1, the first reflecting film 7 is arranged on one side, facing the bottom of the first protective cover 1, of the first graphene heating glass 2, and the protective heat dissipation plate 3 is arranged at the opening of the first protective cover 1; second graphite alkene generates heat glass 5 and installs in second protection casing 4 and constitute the vacuum area with second protection casing 4 bottom, and second reflectance coating 8 is installed and is generated heat glass 2 towards second protection casing 4 bottom one side at first graphite alkene, and heat conduction insulation board 6 is fixed at second protection casing 4 mouth.
The distance between the protective heat dissipation plate 3 and the first graphene heating glass 2 is 3cm, heat dissipation holes are uniformly formed in the protective heat dissipation plate 3, and the diameter of each heat dissipation hole is 0.6 mm; the distance between two adjacent heat dissipation holes is 4 times of the diameter of the heat dissipation hole.
The distance between the heat-conducting insulating plate 6 and the second graphene heating glass 5 is 3cm, heat-conducting holes are uniformly formed in the heat-conducting insulating plate 6, and the diameter of each heat-conducting hole is 0.7 mm; the distance between two adjacent heat dissipation holes is 4 times of the diameter of the heat conduction hole.
A preparation method of graphene heating glass comprises the following steps:
s1, adding 63 parts of graphene and 5 parts of superfine alumina into 136 parts of distilled water, uniformly dispersing, and grinding into heat-conducting slurry;
s2, adding the heat-conducting slurry into 15 parts of distilled water, and performing ultrasonic treatment to obtain a suspension;
s3, adding 6 parts of silane coupling agent into 70 parts of glass powder, and carrying out sealed ultrasonic treatment for 40min to obtain mixed slurry;
s4, adding the suspension prepared in the step S2 into the mixed slurry, and stirring for 40min to prepare a graphene heating glass composite solution;
s5, uniformly mixing and dispersing the graphene heating glass composite solution with 7 parts of water-based acrylic resin, 4 parts of propylene glycol methyl ether, 4 parts of defoaming agent and 7 parts of dispersing agent to prepare a mixed solution;
s6, carrying out glass forming work on the mixed liquid, and rapidly reducing the temperature of the mixed liquid through a rolling method, a centrifugal casting method and a sintering method to prepare the graphene heating glass;
s7, coating the precursor solution on the upper surface of the graphene heating glass to form an intermediate film layer, wherein the precursor solution is a mixture of organic glucose and polyetherimide, and the intermediate film layer is coated with the graphene dispersion solution to form a graphene transparent conductive film;
and S8, carrying out heat treatment on the graphene heating glass for forming the graphene transparent conductive film at the heat treatment temperature of 400 ℃ for 8 minutes, and then carrying out annealing treatment to finish the preparation.
Example 3:
an electric heating table applying graphene heating glass comprises an electric heating table frame, an upper heating device and a lower heating device, wherein the upper heating device and the lower heating device are arranged in the electric heating table; the upper heating device comprises first graphene heating glass 2, a first reflecting film 7, a first protective cover 1 and a protective heat dissipation plate 3; the lower heating device comprises second graphene heating glass 5, a second reflecting film 8, a second protective cover 4 and a heat-conducting insulating plate 6; the first graphene heating glass 2 is fixedly arranged in the first protective cover 1 and forms a vacuum area with the bottom of the first protective cover 1, the first reflecting film 7 is arranged on one side, facing the bottom of the first protective cover 1, of the first graphene heating glass 2, and the protective heat dissipation plate 3 is arranged at the opening of the first protective cover 1; second graphite alkene generates heat glass 5 and installs in second protection casing 4 and constitute the vacuum area with second protection casing 4 bottom, and second reflectance coating 8 is installed and is generated heat glass 2 towards second protection casing 4 bottom one side at first graphite alkene, and heat conduction insulation board 6 is fixed at second protection casing 4 mouth.
The distance between the protective heat dissipation plate 3 and the first graphene heating glass 2 is 5cm, heat dissipation holes are uniformly formed in the protective heat dissipation plate 3, and the diameter of each heat dissipation hole is 1.0 mm; the distance between two adjacent heat dissipation holes is 5 times of the diameter of the heat dissipation hole.
The distance between the heat-conducting insulating plate 6 and the second graphene heating glass 5 is 5cm, heat-conducting holes are uniformly formed in the heat-conducting insulating plate 6, and the diameter of each heat-conducting hole is 1.0 mm; the distance between two adjacent heat dissipation holes is 5 times of the diameter of the heat conduction hole.
A preparation method of graphene heating glass comprises the following steps:
s1, adding 65 parts of graphene and 9 parts of superfine aluminum oxide into 148 parts of tap water, dispersing uniformly, and grinding into heat-conducting slurry;
s2, adding the heat-conducting slurry into 15 parts of distilled water, and performing ultrasonic treatment to obtain a suspension;
s3, adding 8 parts of silane coupling agent into 70 parts of glass powder, and carrying out sealed ultrasonic treatment for 80min to obtain mixed slurry;
s4, adding the suspension prepared in the step S2 into the mixed slurry, and stirring for 60min to prepare a graphene heating glass composite solution;
s5, uniformly mixing and dispersing the graphene heating glass composite solution with 8 parts of water-based acrylic resin, 8 parts of propylene glycol methyl ether, 6 parts of defoaming agent and 9 parts of dispersing agent to prepare a mixed solution;
s6, carrying out glass forming work on the mixed liquid, and rapidly reducing the temperature of the mixed liquid through a rolling method, a centrifugal casting method and a sintering method to prepare the graphene heating glass;
s7, coating the precursor solution on the upper surface of the graphene heating glass to form an intermediate film layer, wherein the precursor solution is a mixture of organic glucose and polyetherimide, and the intermediate film layer is coated with the graphene dispersion solution to form a graphene transparent conductive film;
and S8, carrying out heat treatment on the graphene heating glass for forming the graphene transparent conductive film at the heat treatment temperature of 700 ℃ for 10 minutes, and then carrying out annealing treatment to finish the preparation.
Example 4:
an electric heating table applying graphene heating glass comprises an electric heating table frame, an upper heating device and a lower heating device, wherein the upper heating device and the lower heating device are arranged in the electric heating table; the upper heating device comprises first graphene heating glass 2, a first reflecting film 7, a first protective cover 1 and a protective heat dissipation plate 3; the lower heating device comprises second graphene heating glass 5, a second reflecting film 8, a second protective cover 4 and a heat-conducting insulating plate 6; the first graphene heating glass 2 is fixedly arranged in the first protective cover 1 and forms a vacuum area with the bottom of the first protective cover 1, the first reflecting film 7 is arranged on one side, facing the bottom of the first protective cover 1, of the first graphene heating glass 2, and the protective heat dissipation plate 3 is arranged at the opening of the first protective cover 1; second graphite alkene generates heat glass 5 and installs in second protection casing 4 and constitute the vacuum area with second protection casing 4 bottom, and second reflectance coating 8 is installed and is generated heat glass 2 towards second protection casing 4 bottom one side at first graphite alkene, and heat conduction insulation board 6 is fixed at second protection casing 4 mouth.
The distance between the protective heat dissipation plate 3 and the first graphene heating glass 2 is 3cm, heat dissipation holes are uniformly formed in the protective heat dissipation plate 3, and the diameter of each heat dissipation hole is 0.7 mm; the distance between two adjacent heat dissipation holes is 3.5 times of the diameter of the heat dissipation hole.
The distance between the heat-conducting insulating plate 6 and the second graphene heating glass 5 is 4cm, heat-conducting holes are uniformly formed in the heat-conducting insulating plate 6, and the diameter of each heat-conducting hole is 0.8 mm; the distance between two adjacent heat dissipation holes is 4.2 times of the diameter of the heat conduction hole.
A preparation method of an electric heating table applying graphene heating glass comprises the following steps:
s1, adding 63 parts of graphene and 8 parts of superfine alumina into 142 parts of distilled water, uniformly dispersing, and grinding into heat-conducting slurry;
s2, adding the heat-conducting slurry into 11 parts of distilled water, and performing ultrasonic treatment to obtain a suspension;
s3, adding 6 parts of silane coupling agent into 69 parts of glass powder, and carrying out sealed ultrasonic treatment for 50min to obtain mixed slurry;
s4, adding the suspension prepared in the step S2 into the mixed slurry, and stirring for 29min to prepare a graphene heating glass composite solution;
s5, uniformly mixing and dispersing the graphene heating glass composite solution with 7 parts of water-based acrylic resin, 6 parts of propylene glycol methyl ether, 5 parts of defoaming agent and 7 parts of dispersing agent to prepare a mixed solution;
s6, carrying out glass forming work on the mixed liquid, and rapidly reducing the temperature of the mixed liquid through a rolling method, a centrifugal casting method and a sintering method to prepare the graphene heating glass;
s7, coating the precursor solution on the upper surface of the graphene heating glass to form an intermediate film layer, wherein the precursor solution is a mixture of organic glucose and polyetherimide, and the intermediate film layer is coated with the graphene dispersion solution to form a graphene transparent conductive film;
and S8, carrying out heat treatment on the graphene heating glass for forming the graphene transparent conductive film at the heat treatment temperature of 400 ℃ for 7 minutes, and then carrying out annealing treatment to finish the preparation.
Comparative example 1:
for example, the Chinese utility model patent with application number of CN105534047A, which is a convenient and practical warming table, comprises a table cabinet main body 10, wherein the table cabinet main body 10 is provided with a table top 11, and a heating device is arranged in the table cabinet main body 10 corresponding to the lower position of the table top 11; the heating device comprises a shell, a heating body 21 (such as a heating wire, a quartz tube or a PTC thermistor and the like) and a fan 22, wherein the heating body 21 and the fan 22 are arranged in the shell, the heating device is arranged below the desktop, the shell is provided with a warm air port 37 penetrating through the outer side of the table cabinet main body 10, and the warm air port 37 is preferably designed on the side surface and/or the bottom surface of the shell; and an operation panel for controlling the working state of the heating device is arranged on the surface of the table cabinet main body 10.
Test example:
the heating tables prepared in examples 3 and 4 and comparative example 1 were subjected to performance tests, the results of which are shown in table 1.
Table 1 heating table performance parameters of examples 3, 4 and comparative example 1
The energy consumption test is that under the condition that the ambient temperature is 4 ℃, the heating table is placed in a relatively closed environment, and the power of 26 ℃ in the heating table is maintained.
The utility model has the advantages that the modified glass powder reacts with the graphene oxide, and the lamellar graphene obtained after thermal reduction is uniformly distributed in the glass, so that the problem of graphene agglomeration is effectively solved, and the uniform distribution of the graphene is ensured; the strength between the graphene and the glass is enhanced through a coupling agent; the addition of the graphene effectively improves the fracture toughness and strength of the glass; the method is characterized in that flake graphene and spherical heat-conducting ultrafine alumina particles are adopted, the spherical ultrafine alumina particles can play a role in supporting the graphene, and the graphene connects the spherical ultrafine alumina particles, so that the glass is uniformly heat-conducting; the graphene transparent conductive film is formed by coating on the graphene heating glass, so that the binding force between the graphene and the glass can be improved, and the graphene transparent conductive film has good optical and electrical properties.
The utility model discloses the graphene heating glass is applied to the glass tabletop on the heating table; the strength of the graphene heating glass tabletop of the heating table is enhanced, and the fracture toughness and strength of the graphene heating glass tabletop of the heating table are effectively improved; adopt slice graphite alkene and spherical heat conduction superfine alumina particle, spherical superfine alumina particle can play the effect of supporting graphite alkene, and graphite alkene couples together spherical superfine alumina, and the graphite alkene that makes the heating table generates heat the glass desktop heat conduction even, and the infrared ray that radiates is also even, filters the diffraction through protection scattered board and heat conduction insulation board 6 again for the infrared ray of production is more even, promotes the comfort of toasting a fire.
The utility model discloses the technical scheme of well each embodiment can make up, and technical feature in the embodiment does to make up and forms new technical scheme.
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 (4)
1. The utility model provides an use graphite alkene glass's that generates heat electricity warm table, includes electric warm table frame, its characterized in that: an upper heating device and a lower heating device which are arranged in the electric heating table; the upper heating device comprises first graphene heating glass, a first reflecting film, a first protective cover and a protective heat dissipation plate; the lower heating device comprises second graphene heating glass, a second reflecting film, a second protective cover and a heat-conducting insulating plate; the first graphene heating glass is fixedly arranged in the first protective cover, and the protective heat dissipation plate is arranged at the opening of the first protective cover; the second graphene heating glass is arranged in the second protective cover, and the heat-conducting insulating plate is fixed at the opening of the second protective cover.
2. The electric heating table applying the graphene heating glass as claimed in claim 1, wherein: the first graphene heating glass and the bottom of the first protective cover form a vacuum area, and the first reflecting film is arranged on one side, facing the bottom of the first protective cover, of the first graphene heating glass; second graphite alkene generates heat glass and second protection casing bottom constitution vacuum area, the second reflectance coating is installed and is generated heat glass towards second protection casing bottom one side at the second graphite alkene.
3. The electric heating table applying the graphene heating glass as claimed in claim 2, wherein: the distance between the protective heat dissipation plate and the first graphene heating glass is at least more than 2cm, heat dissipation holes are uniformly formed in the protective heat dissipation plate, and the diameter of each heat dissipation hole is 0.5-1.0 mm; the distance between every two adjacent heat dissipation holes is 3-5 times of the diameter of each heat dissipation hole.
4. The electric heating table applying the graphene heating glass as claimed in claim 2, wherein: the distance between the heat-conducting insulating plate and the second graphene heating glass is at least more than 2cm, heat-conducting holes are uniformly formed in the heat-conducting insulating plate, and the diameter of each heat-conducting hole is 0.5-1.0 mm; the distance between two adjacent heat dissipation holes is 3-5 times of the diameter of the heat conduction hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921022232.1U CN210425231U (en) | 2019-07-03 | 2019-07-03 | Use graphite alkene glass's that generates heat electricity warm table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921022232.1U CN210425231U (en) | 2019-07-03 | 2019-07-03 | Use graphite alkene glass's that generates heat electricity warm table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210425231U true CN210425231U (en) | 2020-04-28 |
Family
ID=70378567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921022232.1U Active CN210425231U (en) | 2019-07-03 | 2019-07-03 | Use graphite alkene glass's that generates heat electricity warm table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210425231U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110388686A (en) * | 2019-07-03 | 2019-10-29 | 湖南步升取暖科技有限公司 | A kind of electric heating table using graphene heating glass |
-
2019
- 2019-07-03 CN CN201921022232.1U patent/CN210425231U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110388686A (en) * | 2019-07-03 | 2019-10-29 | 湖南步升取暖科技有限公司 | A kind of electric heating table using graphene heating glass |
| CN110388686B (en) * | 2019-07-03 | 2023-08-18 | 湖南步升取暖科技股份有限公司 | Electric heating table using graphene heating glass |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110388686B (en) | Electric heating table using graphene heating glass | |
| CN208549033U (en) | Anti- overheat Electric radiant Heating Film and floor heating structure | |
| CN201163063Y (en) | Nanometer far-infrared carbon crystal electric heater | |
| CN210425231U (en) | Use graphite alkene glass's that generates heat electricity warm table | |
| CN110255915B (en) | Heating type graphene glass and preparation method thereof | |
| CN105368060B (en) | Organosilicon fever layer material, infrared radiation heating body and preparation method thereof | |
| CN105155815B (en) | A kind of preparation method on nano carbon fiber heating floor | |
| CN105155813B (en) | A kind of novel nano carbon crystal electric bar heating flooring and preparation method thereof | |
| CN201928461U (en) | Heating pipe | |
| CN204721629U (en) | A kind of graphite electric heating plate | |
| CN202032657U (en) | Far infrared intelligent quick heater | |
| CN110072302A (en) | Far infrared carbon fiber heating board and preparation method thereof | |
| CN2826228Y (en) | Wall-hanging type carbon fiber electric warmer | |
| US6963051B2 (en) | Slow cooker | |
| CN109237593A (en) | Greenhouse instrument component, preparation method and the greenhouse instrument with it | |
| CN110397962B (en) | Preparation method of composite panel of super-energy induction cooker | |
| CN108912689A (en) | A kind of preparation method of heat-conducting interface material | |
| CN105636251A (en) | Carbon ground mat and production process therefor | |
| CN209346634U (en) | Post the glass fever chassis of magnetic conductive film | |
| CN207768058U (en) | A kind of detachable intelligent floor heating blanket based on graphene | |
| CN202059601U (en) | Electric pad | |
| CN206079832U (en) | Photovoltaic heating shallow seat cushion | |
| CN201299271Y (en) | Learning and office heat-preservation table | |
| CN212339378U (en) | Heating picture with scald-proof function | |
| CN210748758U (en) | Far infrared electric water heating container based on graphene heating technology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |