CN105916222A - Far infrared electric heating film preparation method - Google Patents
Far infrared electric heating film preparation method Download PDFInfo
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- CN105916222A CN105916222A CN201610303521.3A CN201610303521A CN105916222A CN 105916222 A CN105916222 A CN 105916222A CN 201610303521 A CN201610303521 A CN 201610303521A CN 105916222 A CN105916222 A CN 105916222A
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- electric heating
- heating film
- far infrared
- film
- powder
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/10—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor
- H05B3/12—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
- H05B3/14—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
- H05B3/145—Carbon only, e.g. carbon black, graphite
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/84—Heating arrangements specially adapted for transparent or reflecting areas, e.g. for demisting or de-icing windows, mirrors or vehicle windshields
Abstract
The invention discloses a far infrared electric heating film preparation method. A prepared far infrared electric heating film comprises a substrate, a first electric heating film and a second electric heating film, combines the advantages of a graphene electric heating film and a semiconductor electric heating film, can convert radiant heat energy into far infrared heat energy, rapidly increase temperatures, reduce moisture eliminating loss temperatures, enhance a heated energy absorption speed and reduce heat energy loss. Minute current can activate a graphene far infrared electric heating portion; compared with a traditional electric heating mode, the method can save energy by 60%, and increase an electric energy utilization rate; a semiconductor electric heating film prepared by the materials and having a required ratio according to the invention has the characteristics of small heat transfer resistance, and high chemical stability, heat stability and electro-thermal conversion efficiency, wherein the electric heating film possesses a positive temperature property, and can automatically adjust current size and self current-limitation characteristics according to uneven film thickness, thereby guaranteeing electric heating film heating uniformity.
Description
Technical field
The present invention relates to household electrical appliances and manufacture field, be specifically related to the preparation method of a kind of infrared ray heating film.
Background technology
At present, electric heating appliance product (such as the cooking apparatus such as electromagnetic oven, electric cooker) is essentially all the traditional electricity of employing and irons a heating technique and electromagnetic heating technique both at home and abroad, but, the electric-thermal conversion efficiency of this technology is lower, national energy-saving environmental requirement can not be fully met, cause substantial amounts of energy waste.How to improve the electric-thermal conversion Energy Efficiency Ratio of electric heating appliance product to improve the utilization rate of the energy so that it is being preferably satisfied with the requirement of national energy-saving environmental protection is that those skilled in the art currently needs badly and solves the technical problem that.
Semiconductor conducting film has been widely used in the glass defrosting of the equipment such as automobile, aircraft, refrigerator.But mainly use the mode of magnetron sputtering and spray pyrolysis to prepare.But the equipment used in this preparation process is much more expensive, additionally, due to the shape of household electrical appliance is the most extremely complex, the mode of magnetron sputtering and spray pyrolysis is used to be difficult to be compound on electrical heating utensil semiconductor conducting film.
Graphene (Graphene) was caused the extensive concern of scientist by the report such as the professor Geim of Univ Manchester UK with its peculiar performance from 2004 and great interest is predicted probably causes revolutionary variation in a lot of fields.Single-layer graphene with two dimensional crystal structure exist thickness 0.334nm it be construct other dimension carbonaceous material elementary cell it can wrap up and form the fullerene of zero dimension and roll and form one-dimensional carbon nanotube layer layer stack and amass and form three-dimensional graphite.Graphene is that a kind of semiconductor not having energy gap has the carrier mobility (2 × 10cm/v) of high 100 times than silicon and at room temperature has a micron order free path and big coherence length therefore Graphene is the ideal material of nanometric circuit.Graphene has good thermal conductivity [3000W/ (m K)], high intensity (110GPa) and the specific surface area (2630m/g) of super large.The performance of these excellences makes Graphene have the application prospect of light in fields such as nano electron device, gas sensor, energy storage and composites.
Summary of the invention
The present invention provides the preparation method of a kind of infrared ray heating film, composite electric heating film prepared by the method, has the electrical heating conversion performance of excellence and longer service life.
To achieve these goals, it is achieved above-mentioned purpose, the invention provides the preparation method of a kind of infrared ray heating film, this infrared ray heating film includes substrate, the first electric heating film and the second electric heating film；
The method comprises the steps:
(1) the first electric heating film layer slurry is prepared
Weigh the graphene powder of 7-9 weight portion, the far infrared transmission agent of 1-2 weight portion, the bonding diluent of 3-5 weight portion, stir after first graphene powder being mixed with far infrared transmission agent, after being subsequently adding bonding diluent mixing, form slurry；Described bonding diluent is resistant to elevated temperatures phenolic resin, and the particle diameter of graphene powder is: 30-60nm；
(2) the first electric heating film is formed
Slurry being coated uniformly on substrate surface and forms film, form the first electric heating film after drying or drying, wherein the THICKNESS CONTROL of the first electric heating film is in 10-15 μm；
(3) the second electric heating film is formed
Nano level manganese dioxide, nickel sesquioxide and chrome green powder are mixed into the second electric heating film powder according to mass ratio 65-72:20-25:21-24, using described second electric heating film powder to be deposited with on described first electric heating film, the vacuum of evaporation is 1.0 × 10-3Handkerchief, vaporization voltage is 5 volts, and evaporation time is 60 seconds, and wherein the THICKNESS CONTROL of the second electric heating film is in 5-10 μm；
(4) annealing
After forming the second electric heating film, making annealing treatment, the treatment temperature of annealing process is 550-650 DEG C, described in be annealed into process time of membrane process be 15-25min.
Infrared ray heating film prepared by the present invention combines Graphene electric heating film and the advantage of semi-conductor electricity heating film, the two with the use of, radiant heat energy can be converted into far infrared heat energy, realize the rapid raising of temperature, and reduce the temperature of humidity discharging loss, the heated absorbent speed of enhancing, reduce heat-energy losses.Small electric current just can activate Graphene infrared ray heating part, than traditional Electric heating saving energy 60%, improve the utilization rate of electric energy, the semi-conductor electricity heating film heat transfer resistance using above-mentioned material and proportioning is little, chemical stability and heat endurance, and electric-thermal conversion efficiency is high, wherein, the resistance of this electric heating film has positive temperature characterisitic, according to the uneven size being automatically adjusted electric current of thickness and the characteristic of self-limiting, thus can ensure that the uniformity that electric heating film heats.
Detailed description of the invention
Embodiment one
Weigh the graphene powder of 7 weight portions, the far infrared transmission agent of 1 weight portion, the bonding diluent of 3 weight portions, stir after first graphene powder being mixed with far infrared transmission agent, after being subsequently adding bonding diluent mixing, form slurry；Described bonding diluent is resistant to elevated temperatures phenolic resin, and the particle diameter of graphene powder is: 30-60nm.
Slurry being coated uniformly on substrate surface and forms film, form the first electric heating film after drying or drying, wherein the THICKNESS CONTROL of the first electric heating film is in 10 μm.
Nano level manganese dioxide, nickel sesquioxide and chrome green powder are mixed into the second electric heating film powder according to mass ratio 65:20:21, using described second electric heating film powder to be deposited with on described first electric heating film, the vacuum of evaporation is 1.0 × 10-3Handkerchief, vaporization voltage is 5 volts, and evaporation time is 60 seconds, and wherein the THICKNESS CONTROL of the second electric heating film is in 5 μm.
After forming the second electric heating film, making annealing treatment, the treatment temperature of annealing process is 550 DEG C, described in be annealed into process time of membrane process be 15min.
Embodiment two
Weigh the graphene powder of 9 weight portions, the far infrared transmission agent of 2 weight portions, the bonding diluent of 5 weight portions, stir after first graphene powder being mixed with far infrared transmission agent, after being subsequently adding bonding diluent mixing, form slurry；Described bonding diluent is resistant to elevated temperatures phenolic resin, and the particle diameter of graphene powder is: 30-60nm.
Slurry being coated uniformly on substrate surface and forms film, form the first electric heating film after drying or drying, wherein the THICKNESS CONTROL of the first electric heating film is in 15 μm.
Nano level manganese dioxide, nickel sesquioxide and chrome green powder are mixed into the second electric heating film powder according to mass ratio 72:25:24, using described second electric heating film powder to be deposited with on described first electric heating film, the vacuum of evaporation is 1.0 × 10-3Handkerchief, vaporization voltage is 5 volts, and evaporation time is 60 seconds, and wherein the THICKNESS CONTROL of the second electric heating film is in 10 μm.
After forming the second electric heating film, making annealing treatment, the treatment temperature of annealing process is 650 DEG C, described in be annealed into process time of membrane process be 25min.
Testing embodiment 1-2, test result shows: the electrical heating conversion efficiency of embodiment 1-2 is up to more than 95%.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (1)
1. a preparation method for infrared ray heating film, this infrared ray heating film includes substrate, the first electric heating film and the second electric heating film；
The method comprises the steps:
(1) the first electric heating film layer slurry is prepared
Weigh the graphene powder of 7-9 weight portion, the far infrared transmission agent of 1-2 weight portion, the bonding diluent of 3-5 weight portion, stir after first graphene powder being mixed with far infrared transmission agent, after being subsequently adding bonding diluent mixing, form slurry；Described bonding diluent is resistant to elevated temperatures phenolic resin, and the particle diameter of graphene powder is: 30-60nm；
(2) the first electric heating film is formed
Slurry being coated uniformly on substrate surface and forms film, form the first electric heating film after drying or drying, wherein the THICKNESS CONTROL of the first electric heating film is in 10-15 μm；
(3) the second electric heating film is formed
Nano level manganese dioxide, nickel sesquioxide and chrome green powder are mixed into the second electric heating film powder according to mass ratio 65-72:20-25:21-24, using described second electric heating film powder to be deposited with on described first electric heating film, the vacuum of evaporation is 1.0 × 10-3Handkerchief, vaporization voltage is 5 volts, and evaporation time is 60 seconds, and wherein the THICKNESS CONTROL of the second electric heating film is in 5-10 μm；
(4) annealing
After forming the second electric heating film, making annealing treatment, the treatment temperature of annealing process is 550-650 DEG C, described in be annealed into process time of membrane process be 15-25min.
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| CN201610303521.3A CN105916222A (en) | 2016-05-09 | 2016-05-09 | Far infrared electric heating film preparation method |
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| CN201610303521.3A CN105916222A (en) | 2016-05-09 | 2016-05-09 | Far infrared electric heating film preparation method |
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| CN201610303521.3A Pending CN105916222A (en) | 2016-05-09 | 2016-05-09 | Far infrared electric heating film preparation method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109673066A (en) * | 2018-12-06 | 2019-04-23 | 天津中亚慧通科技有限公司 | A kind of preparation method of automobile rearview mirror electric heating film |
| CN109896847A (en) * | 2017-12-07 | 2019-06-18 | 李刚 | A kind of infrared ray heating film and preparation method thereof, electric heating plate and heating furnace |
| CN110016285A (en) * | 2018-01-09 | 2019-07-16 | 新奥石墨烯技术有限公司 | Electro-thermal coatings and the electro-thermal coatings liquid suit and method for being used to form electro-thermal coatings |
| CN115568048A (en) * | 2022-12-06 | 2023-01-03 | 中熵科技(北京)有限公司 | Far infrared reinforced coating and electrothermal film based on same |
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| CN103338538A (en) * | 2013-07-19 | 2013-10-02 | 南京中脉科技控股有限公司 | Graphene radiation heating film and preparation method and application thereof |
| CN103781209A (en) * | 2012-10-17 | 2014-05-07 | 广东四会互感器厂有限公司 | Nano electric heating plate using chemical vapor deposition technology and manufacturing method thereof |
| CN204362330U (en) * | 2015-02-11 | 2015-05-27 | 佛山市顺德区美的电热电器制造有限公司 | Electric heating plate assembly and cooking apparatus |
-
2016
- 2016-05-09 CN CN201610303521.3A patent/CN105916222A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103781209A (en) * | 2012-10-17 | 2014-05-07 | 广东四会互感器厂有限公司 | Nano electric heating plate using chemical vapor deposition technology and manufacturing method thereof |
| CN103338538A (en) * | 2013-07-19 | 2013-10-02 | 南京中脉科技控股有限公司 | Graphene radiation heating film and preparation method and application thereof |
| CN204362330U (en) * | 2015-02-11 | 2015-05-27 | 佛山市顺德区美的电热电器制造有限公司 | Electric heating plate assembly and cooking apparatus |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109896847A (en) * | 2017-12-07 | 2019-06-18 | 李刚 | A kind of infrared ray heating film and preparation method thereof, electric heating plate and heating furnace |
| CN110016285A (en) * | 2018-01-09 | 2019-07-16 | 新奥石墨烯技术有限公司 | Electro-thermal coatings and the electro-thermal coatings liquid suit and method for being used to form electro-thermal coatings |
| CN110016285B (en) * | 2018-01-09 | 2020-12-01 | 新奥石墨烯技术有限公司 | Electrothermal coating, and electrothermal coating liquid set and method for forming electrothermal coating |
| CN109673066A (en) * | 2018-12-06 | 2019-04-23 | 天津中亚慧通科技有限公司 | A kind of preparation method of automobile rearview mirror electric heating film |
| CN115568048A (en) * | 2022-12-06 | 2023-01-03 | 中熵科技(北京)有限公司 | Far infrared reinforced coating and electrothermal film based on same |
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