CN102761994A - Nanometer ceramic electric-heating coating device and manufacturing method thereof - Google Patents
Nanometer ceramic electric-heating coating device and manufacturing method thereof Download PDFInfo
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- CN102761994A CN102761994A CN2011101036844A CN201110103684A CN102761994A CN 102761994 A CN102761994 A CN 102761994A CN 2011101036844 A CN2011101036844 A CN 2011101036844A CN 201110103684 A CN201110103684 A CN 201110103684A CN 102761994 A CN102761994 A CN 102761994A
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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
- H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
- H05B3/22—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible
- H05B3/26—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor mounted on insulating base
- H05B3/265—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor mounted on insulating base the insulating base being an inorganic material, e.g. ceramic
-
- 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
- H05B2214/00—Aspects relating to resistive heating, induction heating and heating using microwaves, covered by groups H05B3/00, H05B6/00
- H05B2214/04—Heating means manufactured by using nanotechnology
Abstract
The invention discloses a nanometer ceramic electric-heating coating device and a manufacturing method thereof. The coating device comprises an insulating base, a nanometer electric-heating coating film and conductive contact points, wherein the nanometer electric-heating coating film is made from a dielectric material, a nanometer conductive-heating material and a solidifying material; and the two conductive contact points are arranged on the nanometer electric-heating coating film and are connected with the positive pole and the negative pole of a power supply through a conducting wire. The method comprises the following steps of preparing of nanometer electric heating paste, coating, setting of the conductive contact points, baking, cooling, testing and controlling of chip connection. The coating device has the high electric-heating conversion efficiency and achieves the heating effect in a short time, so that the electric energy is saved, the weight of an original electric wire or heating tube is lightened, and the subsequent transport cost is reduced indirectly.
Description
Technical field
The present invention relates to a kind of nano ceramics electro-thermal coatings device and manufacturing approach thereof, especially utilize the nano electroheating film of forming by the ceramic dielectric material and the conductive nano hot material of film attitude, increase effective conductance and reduce resistance value and come to heat apace.
Background technology
Electricity heating technology has surpassed century-old so far from invention, the main device of main heating is a heating wire, and the electrothermal alloy material of making heating wire can be divided into two big types: one type is Aludirome series, and another kind of is nichrome series.Its serviceability temperature of Aludirome (1Cr13Al4 0Cr25Al5 0Cr21Al60Cr21Al6Nb 0Cr27Al7Mo2 etc.) series is high; Maximum operation (service) temperature can reach 1400 degree; Long service life, surface loading are high, antioxygenic property is good, resistivity is high, advantages such as low price.Simultaneously significant disadvantages being arranged also, mainly is that elevated temperature strength is low, and along with its plasticity of serviceability temperature rising increases, assembly is yielding, not flexible and reparation.
The serial topmost advantage of nickel chromium triangle electrothermal alloy (Cr20Ni80) is: its tensile strength during high temperature, though " siderochrome aluminium " material is high, high temperature uses not yielding down, and its structure is malleable not; Plasticity is better, is prone to repair, and its radiance is high; Nonmagnetic, corrosion resistance is strong, long service life etc.But its relative shortcoming is: owing to adopt nickel metal material comparatively rare and that price is higher to process, reach several times most so this series of products price exceeds siderochrome aluminium, serviceability temperature is also low than Aludirome.
No matter their heating mechanism of any heating wire is identical, and its electric conversion efficiency is difficult to break through 90% electric conversion efficiency, during heating wire energising just; The ratio of thermal energy that produces and the electric flux that is consumed; In addition, the traditional electrical heated filament because fusing point up to more than 1300 ℃, so need be warmed to the above temperature of fusing point when producing; Energy consumption is very big, prevents that simultaneously heavy metal pollution from also will raise the cost.So the comprehensive energy consumption of traditional electrical heated filament is quite huge,, need that a kind of energy consumption efficiency is higher, cost is lower, the simpler electricity heating of application process technology in today that the energy-saving and environmental protection cry grows to even greater heights.
Summary of the invention
Main purpose of the present invention provides a kind of nano ceramics electro-thermal coatings device.
Device according to the invention comprises an insulating base, nano electroheating film and at least two conductive junction points; Insulating base can be tabular, tubulose, column; The nano electroheating film is arranged on the surface of insulating base; Be made up of a dielectric material, a conductive nano hot material and a curing materials, at least two conductive junction points are arranged on this nano electroheating film, in order to see through positive pole and the negative pole that lead connects a power supply; When positive pole and the negative pole that sees through lead and power supply when this at least two conductive junction point was connected, the nano electroheating film can produce heat energy rapidly.
Dielectric material in this nano electroheating film; Dielectric constant is in the scope of 900～1800W/M; Comprise barium titanate (BaTiO3), strontium titanates (SrTiO3), lead zirconate titanate (Pb (ZrTi) O3, PZT), aluminium nitride (AlN), carborundum (SiC) etc., as the material that produces the impedance heating; And the conductive nano hot material is mainly CNT or Graphene; In order to apace thermal conductance being gone into/to export, curing materials be iron oxide, aluminium oxide, chromium oxide, sodium oxide molybdena, potassium oxide, silica, strontium oxide strontia at least one of them, wherein this dielectric material accounts for 10%～35% of total weight; And the conductive nano hot material accounts for 30～60% of total weight; This conductive nano hot material and this dielectric material can come resize ratio according to required heating power, and below all-in resistance rate 4 * 10-4 Ω cm, and the material of this insulating base also can be selected according to the temperature generation scope of required heating.This at least two conductive junction point can be formed by various conducting resinls such as elargol, copper glue, gold size, carbon paste, graphite glue.
This device further comprises an attemperating unit, and this attemperating unit is connected with the both positive and negative polarity of power supply, and sees through lead and be connected with at least two conductive junction points 30, in order to detecting the temperature of this nano electroheating film, and the open circuit of Control current or open circuit, in order to avoid cause overheated.
Another object of the present invention provides a kind of manufacturing approach of nano ceramics electro-thermal coatings device, and this method comprises nano electroheating slurry making step, application step, conductive junction point step, baking procedure, cooling and testing procedure and control chip Connection Step are set.Nano electroheating slurry making step is that dielectric material, conductive nano hot material, additive and curing materials are fully ground, mix into earlier muddy; Cooling concentration and form gluey nano electroheating slurry again; Wherein this additive be toluene, ethanol, glycerine at least one of them; Curing materials be iron oxide, aluminium oxide, chromium oxide, sodium oxide molybdena, potassium oxide, silica, strontium oxide strontia at least one of them, as the usefulness of catalyst.Application step is that the nano electroheating slurry is evenly coated on the surface of insulating base, and after drying, forms the nano electroheating film, the mode of coating can for roller coating, spraying or rotary coating at least one of them.
Conductive junction point is provided with step, is that the mode with printing conductive glue forms at least two conductive junction points on the nano electroheating film.Baking procedure is the nano ceramics electro-thermal coatings device of accomplishing to be put into baking oven toast, to increase the mechanical strength of at least two conductive junction points; And the additive in the nano electroheating film fully volatilized; Make structure more even, wherein baking temperature is 400～600 ℃, is preferably 450～480 ℃; Stoving time is 1-5 hour, is preferably 2-3 hour.Cooling and testing procedure are that nano ceramics electro-thermal coatings device is cooled to room temperature, and do the test of tackness and conductivity.Further, the manufacturing approach of nano ceramics electro-thermal coatings device of the present invention also comprises an attemperating unit Connection Step, control chip is seen through lead be connected with at least two conductive junction points.
Characteristics of the present invention are; The nano electroheating film nano level transparent conductive metal oxide film that is as the criterion; Have the excellent acid caustic corrosion, be low to moderate below 4 * 10-4 Ω cm with high rigidity, the resistivity quartzy, that topaz is suitable, power density can reach 40W/cm2, visible light transmissivity greater than 93%, safe working temperature up to 650 ℃, reach 50,000 hours useful life, 98.2% electrical heat energy conversion efficiency nearly; And manufacturing process only need be lower than warm environment in 800 ℃ the industry, compares with the heating tube or the heating wire of the ferronickel aluminum institute processing procedure of prior art, and the present invention has; Can reach instantaneously heated effect in the short time; And can save electric energy, and can be used in a large number in the industrial or home-use electrical equipment heater, for example the heating tube of washing machine, hot-water bottle, electric furnace etc.Further, the shared volume of this device is littler, and can reduce the weight of original heating wire or heating tube, helps the design of product light weight, and the power consumption of indirect manufacturing process and reduce follow-up conveying cost.
Description of drawings
Fig. 1 is the generalized section of nano ceramics electro-thermal coatings device first embodiment of the present invention.
Fig. 2 is the generalized section of nano ceramics electro-thermal coatings device second embodiment of the present invention.
Fig. 3 is the flow chart of the manufacturing approach of nano ceramics electro-thermal coatings device of the present invention.
Embodiment
Those skilled in the art below cooperate Figure of description that execution mode of the present invention is done more detailed explanation, so that can implement after studying this specification carefully according to this.
Consult Fig. 1, be the generalized section of nano ceramics electro-thermal coatings device first embodiment of the present invention.As shown in Figure 1; Nano ceramics electro-thermal coatings device 1 of the present invention comprises an insulating base 10, a nano electroheating film 20 and at least two conductive junction points 30; Insulating base 10 can be tabular, tubulose, column, and nano electroheating film 20 is arranged on the surface of insulating base 10, is made up of a dielectric material, a conductive nano hot material and a curing materials; At least two conductive junction points 30 are arranged on this nano electroheating film 20; In order to seeing through positive pole and the negative pole that lead connects a power supply, when positive pole and the negative pole that sees through lead and power supply when this at least two conductive junction point 30 was connected, nano electroheating film 20 can produce heat energy rapidly.
Dielectric material in this nano electroheating film 20; Dielectric constant is in the scope of 900～1800W/M; Mainly comprise barium titanate (BaTiO3), strontium titanates (SrTiO3), lead zirconate titanate (Pb (ZrTi) O3, PZT), aluminium nitride (AlN), carborundum (SiC) etc., as the material that produces the impedance heating; And the conductive nano hot material is mainly CNT or Graphene; In order to apace thermal conductance being gone into/to export, curing materials be iron oxide, aluminium oxide, chromium oxide, sodium oxide molybdena, potassium oxide, silica, strontium oxide strontia at least one of them, wherein this dielectric material accounts for 10%～35% of total weight; And the conductive nano hot material accounts for 30～60% of total weight, and the all-in resistance rate that makes this nano electroheating film 20 is below 4 * 10-4 Ω cm.This conductive nano hot material and this dielectric material can come resize ratio according to required heating power, and the material of this insulating base also can be selected according to the temperature generation scope of required heating.This at least two conductive junction point 30 can be formed by various conducting resinls such as elargol, copper glue, gold size, carbon paste, graphite glue.
Consult Fig. 2, be the generalized section of nano ceramics electro-thermal coatings device second embodiment of the present invention.The second embodiment of the present invention is compared with first embodiment; Further comprised an attemperating unit 40; This attemperating unit 40 is connected with the both positive and negative polarity of power supply, and is connected with at least two conductive junction points 30 through lead, in order to detect the temperature of this nano electroheating film 20; And the open circuit of Control current or open circuit, in order to avoid cause overheated.
Consult Fig. 3, be the flow chart of the manufacturing approach of nano ceramics electro-thermal coatings device of the present invention.As shown in Figure 3, the manufacturing approach S1 of nano ceramics electro-thermal coatings device of the present invention comprises nano electroheating slurry making step S10, application step S20, conductive junction point step S30, baking procedure S40, cooling and testing procedure S50 and control chip Connection Step S60 is set.Nano electroheating slurry making step S10 fully grinds, mixes into earlier muddy with dielectric material, conductive nano hot material, additive and catalyst; Cooling concentration and form gluey nano electroheating slurry again; Wherein this additive be toluene, ethanol and glycerine at least one of them; Curing materials be iron oxide, aluminium oxide, chromium oxide, sodium oxide molybdena, potassium oxide, silica, strontium oxide strontia at least one of them, as the usefulness of catalyst.Application step S20 is that the nano electroheating slurry is evenly coated on the surface of insulating base, and after drying, forms the nano electroheating film, the mode of coating can for roller coating, spraying or rotary coating at least one of them.
Conductive junction point is provided with step S30, is that the mode with printing conductive glue forms at least two conductive junction points on the nano electroheating film.Baking procedure S40 is the nano ceramics electro-thermal coatings device of accomplishing to be put into baking oven toast, to increase the mechanical strength of at least two conductive junction points; And the additive in this nano electroheating film is fully volatilized; Make structure more even, wherein baking temperature is 400～600 ℃, is preferably 450～480 ℃; Stoving time is 1-5 hour, is preferably 2-3 hour.Cooling and testing procedure S50 are cooled to room temperature with nano ceramics electro-thermal coatings device, and do the test of tackness and conductivity.Further, the manufacturing approach S1 of nano ceramics electro-thermal coatings device of the present invention also comprises a control chip Connection Step S60, control chip is seen through lead be connected with at least two conductive junction points.
Characteristics of the present invention are; The nano electroheating film nano level transparent conductive metal oxide film that is as the criterion; Have the excellent acid caustic corrosion, with high rigidity, the resistivity quartzy, that topaz is suitable be low to moderate 4 * 10-4 Ω cm, power density can reach 40W/cm2, visible light transmissivity greater than 93%, safe working temperature up to 650 ℃, reach 50,000 hours useful life, 98.2% electrical heat energy conversion efficiency nearly; And manufacturing process only need be lower than warm environment in 800 ℃ the industry, compares with the heating tube or the heating wire of the ferronickel aluminum institute processing procedure of prior art, and the present invention has; Can reach instantaneously heated effect in the short time; And can save electric energy, and can be used in a large number in the industrial or home-use electrical equipment heater, for example the heating tube of washing machine, hot-water bottle, electric furnace etc.Further, the shared volume of this device is littler, and can reduce the weight of original heating wire or heating tube, helps the design of product light weight, and the power consumption of indirect manufacturing process and reduce follow-up conveying cost.
The above is merely in order to explain preferred embodiment of the present invention; Be not that attempt is done any pro forma restriction to the present invention according to this; Therefore, all have in that identical creation spirit is following do relevant any modification of the present invention or change, all must be included in the category that the invention is intended to protect.
Claims (10)
1. a nano ceramics electro-thermal coatings device is characterized in that, comprises:
One insulating base;
One nano electroheating film is arranged on the surface of this insulating base, is made up of with, a conductive nano hot material and a curing materials a dielectric material; And
At least two conductive junction points are formed with a conducting resinl, are arranged on this nano electroheating film, and in order to seeing through the anodal and negative pole that lead connects a power supply,
Wherein, this dielectric material accounts for 10%～35% of total weight, and this conductive nano hot material accounts for 30～60% of total weight, and the resistivity of this nano electroheating film is below 4 * 10-4 Ω cm.
2. nano ceramics electro-thermal coatings device as claimed in claim 1; It is characterized in that; The dielectric constant of this dielectric material is in the scope of 900～1800W/M, comprise barium titanate, strontium titanates, lead zirconate titanate, aluminium nitride, carborundum at least one of them, and this conduction hot material be CNT and Graphene at least one of them; Wherein, this curing materials be iron oxide, aluminium oxide, chromium oxide, sodium oxide molybdena, potassium oxide, silica, strontium oxide strontia at least one of them.
3. nano ceramics electro-thermal coatings device as claimed in claim 1 is characterized in that, further between this power supply and this at least two conductive junction point, an attemperating unit is set, in order to the open circuit of the temperature of this nano electroheating film of sensing and Control current or open circuit.
4. nano ceramics electro-thermal coatings device as claimed in claim 1 is characterized in that this insulating base is tabular, tubulose or column, this conducting resinl be elargol, copper glue, gold size, carbon paste, graphite glue at least one of them.
5. the manufacturing approach of a nano ceramics electro-thermal coatings device is characterized in that step comprises:
One nano electroheating slurry making step is that a dielectric material, a conductive nano hot material, a curing materials and an additive are fully ground, mix into muddy, again cooling concentration and form a gluey nano electroheating slurry;
One application step is that this nano electroheating slurry is evenly coated on the surface of an insulating base, and after drying, forms a nano electroheating film;
One conductive junction point is provided with step, is on this nano electroheating film, to form at least two conductive junction points with the mode of printing a conducting resinl, and forms a nano ceramics electro-thermal coatings device;
One baking procedure is this nano ceramics electro-thermal coatings device to be put into baking oven toast, to remove this additive in this nano electroheating film; And
One cooling and testing procedure is that this nano ceramics electro-thermal coatings device is cooled to room temperature, and tests.
6. method as claimed in claim 5 is characterized in that, further comprises an attemperating unit Connection Step, an attemperating unit is seen through lead be connected with at least two conductive junction points.
7. method as claimed in claim 5 is characterized in that, this dielectric material accounts for 10%～35% of this nano electroheating film total weight, and this conductive nano hot material accounts for 30～60% of total weight.
8. method as claimed in claim 5; It is characterized in that; This additive be toluene, ethanol and glycerine at least one of them, this curing materials is as catalyst; For iron oxide, aluminium oxide, chromium oxide, sodium oxide molybdena, potassium oxide, silica, strontium oxide strontia at least one of them, the dielectric constant of this dielectric material is in the scope of 1000～1800W/M; Comprise barium titanate, strontium titanates, lead zirconate titanate, aluminium nitride, carborundum at least one of them, and this conduction hot material be CNT and Graphene at least one of them.
9. method as claimed in claim 5 is characterized in that, the mode of this application step be roller coating, spraying or rotary coating at least one of them, the baking temperature of this baking procedure is 400～600 ℃, stoving time is 1-5 hour.
10. method as claimed in claim 5 is characterized in that, this insulating base can be tabular, tubulose or column, this conducting resinl be elargol, copper glue, gold size, carbon paste, graphite glue at least one of them.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2011101036844A CN102761994A (en) | 2011-04-25 | 2011-04-25 | Nanometer ceramic electric-heating coating device and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011101036844A CN102761994A (en) | 2011-04-25 | 2011-04-25 | Nanometer ceramic electric-heating coating device and manufacturing method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| EP3179826A3 (en) * | 2015-12-09 | 2017-09-13 | Samsung Electronics Co., Ltd. | Heating element including nano-material filler |
| CN107615888A (en) * | 2014-12-05 | 2018-01-19 | 北美Agc平板玻璃公司 | The method for reducing the plasma source of coating using grand particle and plasma source being used for depositing thin film coatings and surface modification |
| CN107995708A (en) * | 2017-12-29 | 2018-05-04 | 大连恒宝四达科技发展有限公司 | Bank of power high-temperature nano silicon guided membrane heating tube |
| CN108793752A (en) * | 2018-07-02 | 2018-11-13 | 福建省德化祥裕陶瓷文化有限责任公司 | A kind of microwave-medium glaze water and preparation method thereof |
| CN109951900A (en) * | 2017-12-19 | 2019-06-28 | 纮茂股份有限公司 | Heater element and its manufacturing method |
| CN111818675A (en) * | 2020-07-25 | 2020-10-23 | 东莞市中科智恒新材料有限公司 | Far infrared electrothermal film and preparation method thereof |
| CN113621273A (en) * | 2021-10-13 | 2021-11-09 | 广东简一(集团)陶瓷有限公司 | Self-temperature-limiting conductive ink, preparation method and heating ceramic |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107615888B (en) * | 2014-12-05 | 2022-01-04 | 北美Agc平板玻璃公司 | Plasma source utilizing macro-particle reduction coating and method of using plasma source for deposition of thin film coatings and surface modification |
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| CN108793752A (en) * | 2018-07-02 | 2018-11-13 | 福建省德化祥裕陶瓷文化有限责任公司 | A kind of microwave-medium glaze water and preparation method thereof |
| CN108793752B (en) * | 2018-07-02 | 2021-09-24 | 福建省德化祥裕陶瓷文化有限责任公司 | Microwave medium glaze water and preparation method thereof |
| CN111818675A (en) * | 2020-07-25 | 2020-10-23 | 东莞市中科智恒新材料有限公司 | Far infrared electrothermal film and preparation method thereof |
| CN111818675B (en) * | 2020-07-25 | 2023-05-12 | 深圳市合元科技有限公司 | Far infrared electrothermal film and preparation method thereof |
| CN113621273A (en) * | 2021-10-13 | 2021-11-09 | 广东简一(集团)陶瓷有限公司 | Self-temperature-limiting conductive ink, preparation method and heating ceramic |
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Application publication date: 20121031 |