CN100349498C - Electric-heating film and manufacturing method thereof - Google Patents
Electric-heating film and manufacturing method thereof Download PDFInfo
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- CN100349498C CN100349498C CNB2003101060942A CN200310106094A CN100349498C CN 100349498 C CN100349498 C CN 100349498C CN B2003101060942 A CNB2003101060942 A CN B2003101060942A CN 200310106094 A CN200310106094 A CN 200310106094A CN 100349498 C CN100349498 C CN 100349498C
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Abstract
The present invention relates to electric heating film and a manufacturing method thereof, which belongs to the technical field of heating elements. The present invention mainly adopts the method that tin tetrachloride, titanium trichloride, antimonous chloride, calcium chloride, isopropyl alcohol, ethanol and water are mixed, heated and uniformly stirred so as to cause solid to be dissolved and cooled to the normal temperature, and treating liquid of the electric heating film is formed to be used; the treating liquid is sprayed on substrates to form semiconductor conductance film, and a half-finished product is formed; both ends of the half-finished product of the electric heating film are coated with silver paste of silver oxide and then sent to an electrode furnace to roast and fuse into the integration. A finished product is obtained. The present invention has the advantages of simple manufacturing technique, large power, high working temperature, without impulse current and voltage, board practical range, good physical and chemical performance, moisture resistance, acid and base resistance, innocuousness, without harmful radiation, any pollution and naked fire, safety and reliability and broad use range. Besides, the present invention has PTC and far infrared radiation functions, after the present invention is heated, the oxidation and aging phenomenon can not be generated, and the service life reaches over 5000 hours.
Description
Technical field:
The present invention relates to a kind of Electric radiant Heating Film and manufacture method thereof, belong to the heater element technical field.
Background technology:
Electric radiant Heating Film heater element of the present invention is a kind of new profile heating technology that develops formation in recent ten years.Because be the face heating, its electric conversion rate is greater than 90%, its firing rate is fast, has far infrared emission heating function simultaneously.Before the present invention made, in the prior art, Electric radiant Heating Film normally adopts sprayed stannic chloride through the heat integrator on base material.The Electric radiant Heating Film of this kind structure is unable to undergo heat, and its working temperature can only be about 300 ℃; Purposes scope limitation can only be carried out radiation heating; Temperature tolerance is poor, and power attenuation is fast, and easily aging, useful life is short, therefore can not form industrial sector production.
Summary of the invention:
The objective of the invention is to overcome above-mentioned weak point, a kind of power is big, working temperature is high thereby provide, the voltage scope of application is wide, physical and chemical performance is good, moisture-proof, acid and alkali-resistance, heating back non-oxidation and aging phenomenon, nontoxic, no harmful radiation does not have a kind of Electric radiant Heating Film and the manufacture method thereof of any environmental pollution.
Main solution of the present invention is achieved in that
Its composition proportioning (percentage by weight) of Electric radiant Heating Film of the present invention is:
A: butter of tin 40-50
B: titanium trichloride 30-40
C: trichloride antimony 0.1-0.3
D: U-Ramin MC 0.1-0.3
E: isopropyl alcohol 2-3
F: ethanol 10-13
G: water 2-5
Adopting above-mentioned prescription through mixing agitating heating, make the Electric radiant Heating Film treatment fluid, and carry out spray of negative pressure be half-finished product of electric heating film on base material, is finished product through being coated with that the back baking of silver oxide slurry burns again.
Production technology of the present invention is as follows:
1. the production of Electric radiant Heating Film treatment fluid:
Get butter of tin, titanium trichloride, trichloride antimony, U-Ramin MC, isopropyl alcohol, ethanol, water and be placed on Hybrid Heating in the Hybrid Heating machine, heating-up temperature: 60 ℃-80 ℃, mixing and stirring, solid is all dissolved, be cooled to normal temperature, filter then and promptly get the Electric radiant Heating Film treatment fluid.
2. the semi-finished product cell hotting mask is produced:
Adopt carborundum to make system film combustion chamber, electrical heating power is at 9KW-12KW, the furnace temperature temperature is 600 ℃-800 ℃, base material is put into stove heat, and with the negative pressure spray gun Electric radiant Heating Film treatment fluid is sprayed in the stove, Electric radiant Heating Film is at the substrate surface depositing crystalline, form semi-conductor electricity and lead film, each straying quatity is 1-3ml, and spraying into number of times is 2-5 time, normal temperature resistance is 1-3000 Ω, is half-finished product of electric heating film by test.
3. coat the silver oxide slurry at above-mentioned half-finished product of electric heating film two end surfaces, send into the electrode finishing stove after 300 ℃-550 ℃ baking is burnt, make silver oxide reduce silver fully and be finished product of the present invention with the electric membranous layer fusion for one simultaneously.
Raw material is purchased by market in the present invention, and equipment adopts conventional equipment.Base material can be selected carborundum and various pottery, glass, mica material etc. for use, has very big selectivity.
Compared with the prior art the present invention has the following advantages:
Manufacturing process of the present invention is simple, and maximum power can be accomplished 5KW, and maximum operating temperature can reach 450 ℃, and power density can be made 0.1w/cm
2-20w/CM
2Have function far infrared radiation function, wavelength is 2.5 microns-15 microns; Non-impact current, the voltage usage range is wide, can be from the various power components of the different voltages of 3V-400V; Rete and base material do not have the worry that comes off with the chemical bonded refractory integrator, and physical and chemical performance is good, moisture-proof, acid and alkali-resistance, and heating back non-oxidation and aging phenomenon, nontoxic, no harmful radiation does not have any pollution; Component size, shape can be made into variation, shaped piece such as that shape can be made into is tabular, tubulose; The flames of anger, safe and reliable, reach useful life more than 5000 hours, have the Electric radiant Heating Film heater element of PTC function.
Description of drawings:
Fig. 1 is process chart of the present invention: Fig. 2 resistance temperature curve figure of the present invention:
Embodiment:
Embodiment during following the present invention incites somebody to action in conjunction with the accompanying drawings is further described:
Embodiment one: formula rate percentage calculating by weight in the embodiment of the invention:
1. the production of Electric radiant Heating Film treatment fluid:
The present invention gets butter of tin 40, titanium trichloride 40, trichloride antimony 0.1, U-Ramin MC 0.1, isopropyl alcohol 2, ethanol 10, water 2 and is placed in the Hybrid Heating machine Hybrid Heating to 70 ℃, stir, make that solid all dissolves in the raw material, when chilling temperature filters during for normal temperature, the Electric radiant Heating Film treatment fluid stand-by.
2. the production of half-finished product of electric heating film:
The present invention adopts carborundum as system film combustion chamber, and electrical heating power selects for use thyristor to make temperature control panel at 9KW-12KW.Control for Kiln Temperature is in the time of 650 ℃, base material carborundum is put into stove to be heated, when its base material carborundum and furnace temperature reach 650 ℃ of temperature, with the negative pressure spray gun Electric radiant Heating Film treatment fluid is sprayed in the stove, this moment, treatment fluid was gasified totally in high temperature, chemical reaction takes place simultaneously, under the effect of chemical energy, at substrate surface (carborundum) depositing crystalline, progressively form semi-conductor electricity and lead film, spray altogether 3 times, spray into 2ml at every turn, by the normal temperature resistance of setting is 1-3000 Ω, can come out of the stove after reaching designing requirement, is half-finished product of electric heating film by test.
3. the Electric radiant Heating Film finished product is produced:
Above-mentioned half-finished product of electric heating film two end surfaces are coated silver oxide silver slurry (being coated with electrode), send into the electrode finishing stove after 500 ℃ of bakings are burnt, make silver oxide be reduced to silver fully and both be finished product of the present invention with electrothermic film element two ends electric membranous layer fusion integrator simultaneously.
In the present embodiment as shown in Figure 2 by the above-mentioned resistance-temperature characteristics curve that is processed into electrothermic film element:
TN-is the breakover point temperature of negative temperature coefficient.
T
P-be the breakover point temperature of positive temperature coefficient.
T
D-T
RWorking range temperature for Electric radiant Heating Film.
T
MAX-be the maximum resistance temperature of electrothermic film element
The resistance-temperature characteristic curve chart of the Electric radiant Heating Film of making from above-mentioned prescription as can be seen, it ℃ is a negative temperature coefficient of resistance 150 ℃ of beginnings to 300, this end it heat up very fast, to 350 ℃ is the transition temperature of positive temperature coefficient, the working point temperature is at 400 ℃, so its can the oneself be controlled at about 400 ℃ temperature.
Function ratio for the present invention and PTC and common electrical hotting mask sees Table one below:
NPC Electric radiant Heating Film of the present invention and PTC ceramic member, common electrical hotting mask function ratio be: table one
Embodiment two: formula rate percentage by weight calculates:
Get butter of tin 45, titanium trichloride 35, trichloride antimony 0.2, U-Ramin MC 0.2, isopropyl alcohol 2.5, ethanol 11.5, water 3.5 in the present embodiment, the production technology among the employing embodiment one makes equally and meets the Electric radiant Heating Film that weight indicator requires.Raw material Hybrid Heating temperature is 80 ℃ in the present embodiment; Electrical heating power is at 10kw; The Control for Kiln Temperature temperature is 750 ℃; The Electric radiant Heating Film treatment fluid sprays 4 times altogether, and each straying quatity is 1.5ml.
Embodiment three: formula rate percentage by weight calculates:
Get butter of tin 50, titanium trichloride 30, trichloride antimony 0.3, U-Ramin MC 0.3, isopropyl alcohol 3, ethanol 13, water 5 in the present embodiment, adopt the production method among the embodiment one, two to make satisfactory Electric radiant Heating Film equally.
Be purposes of the present invention and principle below:
The functional electric heating film of the present invention, the electrothermal film technology with PTC function.Before Curie temperature the negative temperature coefficient (NTC) that resistance raises and reduces with temperature, the material of the N-PTCR-V type resistance-temperature characteristics curve that the positive temperature coefficient that resistance raises with temperature behind Curie temperature (PTC) characteristic is integrated in one.This process is: utilize the replacement of non-equivalence ion on the one hand, it can be provided in a large number can be for the electronics and the hole of conduction, make crystal grain have very big semiconductor electrical conductance, utilize ferroelectricity Yin Wendu and sudden change of spontaneous polarization near Curie temperature on the other hand again, cause the sudden change of potential barrier on the crystal boundary by the variation in internal field, make it to present very big resistance positive temperature coefficient, thereby obtain the electric-heating thin film heater element that complete controllable resistor nonlinear temperature changes.
The purposes scope is extremely wide:
1. industrial: the thermal source that can be made into large-scale drying equipment, grain feed, the drying of medicinal material, the free of contamination baking of nothing oil of food processing, oven dry in the equipment for dyeing and finishing, thermal finalization, because good thermal shock resistance is arranged, be specially adapted to make the main body baking box, drying room, drying tunnel, hot-blast stove, the wind-warm syndrome of fan heater can be up to 300 ℃, the far infrared of its energy radiation 2.5um-15um wavelength, very high thermal break-through performance is arranged, can make the pharoid of function admirable, dehydrating of tobacco leaf, electronic component, instrument, the baking finish of electromechanical motor, the plastic optical fibre thermal softening, thermal finalization, thermal contraction.
2. on the agricultural: hatching, the chick of the cultivation of chamber crop, greenhouse, birds, beasts and eggs is warming, breeding etc.
3. in the medical treatment: pyromagnetic infrared treatment, the moxibustion of electronics temperature.
4. household electrical appliance: Low-temp. electrothermal electrical equipment, the heater element of warm-air drier, thin wall type warmer, electric heating cabinet, air conditioner, electric heater, electric iron, electronic steriliser case, dryer, hair dryer device, hair iron, Electric-heating foot warmer, Dryer for shoes etc.
Claims (2)
1. Electric radiant Heating Film, it is characterized in that its form proportioning by weight percentage be:
A: butter of tin 40-50
B: titanium trichloride 30-40
C: trichloride antimony 0.1-0.3
D: U-Ramin MC 0.1-0.3
E: isopropyl alcohol 2-3
F: ethanol 10-13
G: water 2-5.
2, the production method of Electric radiant Heating Film according to claim 1 is characterized in that it being to adopt following process conditions:
(1) production of Electric radiant Heating Film treatment fluid:
Get butter of tin, titanium trichloride, trichloride antimony, U-Ramin MC, isopropyl alcohol, ethanol, water and be placed on Hybrid Heating in the Hybrid Heating machine, heating-up temperature: 60 ℃-80 ℃, mixing and stirring, solid is all dissolved, be cooled to normal temperature, filter then and promptly get the Electric radiant Heating Film treatment fluid;
(2) the semi-finished product cell hotting mask is produced:
Adopt carborundum to make system film combustion chamber, electrical heating power is at 9kW-12KW, the furnace temperature temperature is 600 ℃-800 ℃, base material is put into stove heat, and with the negative pressure spray gun Electric radiant Heating Film treatment fluid is sprayed in the stove, Electric radiant Heating Film is at the substrate surface depositing crystalline, form semi-conductor electricity and lead film, each straying quatity is 1-3ml, and spraying into number of times is 2-5 time, normal temperature resistance is 1-3000 Ω, is half-finished product of electric heating film by test;
(3) coat silver oxide slurry at above-mentioned half-finished product of electric heating film two end surfaces, send into the electrode finishing stove after 300 ℃-550 ℃ baking is burnt, make silver oxide reduce silver fully and be finished product with the electric membranous layer fusion for one simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101060942A CN100349498C (en) | 2003-10-17 | 2003-10-17 | Electric-heating film and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2003101060942A CN100349498C (en) | 2003-10-17 | 2003-10-17 | Electric-heating film and manufacturing method thereof |
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| CN1529534A CN1529534A (en) | 2004-09-15 |
| CN100349498C true CN100349498C (en) | 2007-11-14 |
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| CNB2003101060942A Expired - Fee Related CN100349498C (en) | 2003-10-17 | 2003-10-17 | Electric-heating film and manufacturing method thereof |
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100441056C (en) * | 2005-01-05 | 2008-12-03 | 林正平 | Method for manufacturing semiconductor electric heating membrane |
| CN100441055C (en) * | 2005-03-23 | 2008-12-03 | 冷同桂 | Composite metal electrothermal film sol and method for producing electroheating tube with the same |
| CN100521835C (en) * | 2005-12-29 | 2009-07-29 | 梁敏玲 | Manufacturing method of resistance film heating device and the formed resistance film heating device |
| CN101668359B (en) * | 2009-08-11 | 2012-10-31 | 罗日良 | Electrothermal film and manufacturing method thereof |
| DE102010019777B4 (en) | 2010-05-07 | 2019-08-22 | Airbus Operations Gmbh | Aircraft with a fluid line system |
| CN102131319A (en) * | 2010-09-28 | 2011-07-20 | 施吉承 | Thermoelectric film heating tube |
| CN102036432B (en) * | 2010-10-11 | 2013-06-19 | 李瑞勇 | Electric heating membrane and production method thereof |
| CN102685943B (en) * | 2012-06-01 | 2014-05-14 | 佛山市顺德区新信德节能科技有限公司 | Nanometer material electrothermal film |
| CN104080208B (en) * | 2013-03-26 | 2015-04-29 | 颜彬 | Manufacturing method of electrothermal film |
| CN103391650A (en) * | 2013-07-31 | 2013-11-13 | 浙江哈尔斯真空器皿股份有限公司 | Electrothermal film and manufacturing method thereof |
| CN105671474B (en) * | 2016-03-18 | 2018-11-30 | 李光武 | The method and apparatus for manufacturing semiconductor chip |
| CN113633033A (en) * | 2021-08-25 | 2021-11-12 | 浙江中烟工业有限责任公司 | Heater, method for producing same, and aerosol-generating device including same |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02259366A (en) * | 1989-03-29 | 1990-10-22 | Nippon Alum Mfg Co Ltd | Far infrared ray radiating titanium material |
| CN1066952A (en) * | 1992-03-07 | 1992-12-09 | 王杰 | The manufacture method of semi-conductor heating parts |
| CN1074579A (en) * | 1992-12-11 | 1993-07-21 | 戴金利 | A kind of semiconductor electric-heating thin film and processing method thereof |
-
2003
- 2003-10-17 CN CNB2003101060942A patent/CN100349498C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02259366A (en) * | 1989-03-29 | 1990-10-22 | Nippon Alum Mfg Co Ltd | Far infrared ray radiating titanium material |
| CN1066952A (en) * | 1992-03-07 | 1992-12-09 | 王杰 | The manufacture method of semi-conductor heating parts |
| CN1074579A (en) * | 1992-12-11 | 1993-07-21 | 戴金利 | A kind of semiconductor electric-heating thin film and processing method thereof |
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