CN1050963C - Far-infrared conduction film electric heater - Google Patents
Far-infrared conduction film electric heater Download PDFInfo
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- CN1050963C CN1050963C CN93112735A CN93112735A CN1050963C CN 1050963 C CN1050963 C CN 1050963C CN 93112735 A CN93112735 A CN 93112735A CN 93112735 A CN93112735 A CN 93112735A CN 1050963 C CN1050963 C CN 1050963C
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- electric heater
- far
- base material
- film
- infrared
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Abstract
The present invention relates to an electric heater. A metal conducting film is uniformly plated on various types of non-metal base materials in a large area by a magnetron sputtering or vacuum plating method. The present invention has the advantages of surface temperature of 150 to 300DEGC, the uniform plating in the large area, far infrared heating and high heating efficiency, and the present invention can be widely used for laboratories or households to get heat.
Description
The present invention relates to a kind of conduction film electric heater, be specifically related to a kind of magnetron sputtering or the far-infrared conduction film electric heater of the even lining of vacuum coating method on various non-metallic substrates of utilizing.
Electric heater in the market, widespread usage is a kind of twines heating wire on ceramic burner, put the devitrified glass cover then or make the heating technology of thermal source with the quartz halogen lamp heating tube.The electric heater of this form, because burner is in work under the high temperature, therefore the wavelength of the infrared radiation of being launched is shorter; And the burner thermal radiation also must so not only the heat efficiency is low for this heating technique, and be difficult to reach the far wavelength of " really " by arriving heated object or person body after the reflector reflection.
Also having a class electric heater on the market is to adopt graphite or the metal coating type conducting film as main conductive material, various shortcoming such as this conducting film ubiquity serviceability is poor, the life-span short, resistance uniformity and repeatability control difficulty.
Disclosed a kind of thin-thick film compound electro-thermal coatings in the Chinese patent application that on June 2nd, 1993, disclosed publication number was CN1072700A, it is to be composited by film resistor coating and thick-film conductor coating.Adopt the heating surface of chemical vapor-phase growing technology and thick-film technique preparation at heatproof insulation ground, can be in order to replace traditional heating wire.
In recent years, still have a class to introduce the so-called wall-hanging electric heating device of assembling abroad, they mainly are to be base material with the enamel plate, adopt metal such as pyrolytic coating method spraying aluminium to be the strip Electric radiant Heating Film.This strip Electric radiant Heating Film is owing to the heating of aluminising place, and the aluminising place does not generate heat, and causes the Electric radiant Heating Film heating inhomogeneous, and local temperature is higher.So this strip enamel Electric radiant Heating Film is very high to the quality requirement of enamel plate, and this strip enamel Electric radiant Heating Film is also very high to production Technology (pyrolytic coating) requirement of heating film self, thereby this warmer fails to produce at home and popularize always.
The purpose of this invention is to provide a kind of real far-infrared electric heater even, that the heat efficiency is high that generates heat.
The present invention be by a kind of with magnetron sputtering or vacuum coating method, the electric heater of lining conductive metal film on various non-metallic substrates.It comprises conductive film, base material and electrode, and described conductive film lining material can be selected from various metals such as aluminium, chromium or nickel, also can be selected from nickel-chromium, iron-chromium-aluminium or is the various alloy materials of base with nickel-chromium.Conductive metal film of the present invention is to adopt mode lining that large tracts of land evenly adds plating on the nonmetallic materials base material of various sizes size, and is equipped with electrode and just forms electric heater of the present invention.
The non-metallic substrate of far-infrared conduction film electric heater of the present invention can be selected from enamel, devitrified glass, pottery or plastics etc.
The present invention adopts coating technique large tracts of land on enamel plate or other non-metallic substrate such as magnetron sputtering or vacuum coating evenly to add plating electric heating metal film, makes various electrothermal devices such as warmer.The metallic film electric heater that this large tracts of land adds plating has following advantage:
1. to reach large tracts of land even for the surface temperature of heater, and the degree of heat can be controlled between 150-300 ℃, realizes real Far-infrared Heating, the absolute flames of anger, and the combustible materials such as timber, cotton that are difficult for igniting.
2. be Far-infrared Heating owing to conductive film of the present invention is resulting, the heat efficiency height of Far-infrared Heating, and because electric heater of the present invention evenly adds the plating conducting film in high radiation substrate (for example enamel plate) one side comprehensively, utilize the hemisphere infrared emanation coefficient little (＜0.30) of conducting film and the hemisphere infrared emanation rate of surface (front) material (for example enamel) big (＞0.85), therefore radiant heat mainly passes through the front to external radiation, so the efficiency of heating surface is high especially.
3. the present invention adopts advanced coating process such as magnetron sputtering, makes Electric radiant Heating Film have the highest uniformity and process controllability.This film also can be cut apart by partition, carries out series and parallel and fetches the heating power of regulating heating film and adapt to various supply voltages; Also can use power and temperature requirement, control the heating power of Electric radiant Heating Film by change metal ingredient, thickness according to difference.
4. Electric radiant Heating Film of the present invention in 150-300 ℃ of temperature range useful life more than 5000 hours.
Fig. 1 is the primary structure schematic diagram of conduction film electric heater of the present invention: wherein 1 is the surperficial non-metallic substrate that scribbles far-infrared conduction film of the present invention, and 2 is electrode, and 3 is lead.Lead is connected in power supply.
Base material: 35 * 45cm
2The enamel plate
Coating process: magnetron sputtering
Device: JT 12 magnetic control sputtering devices
Target (wt%) Ni 80% Cr 20%
Parameter: sputtering voltage 500-700V
Sputtering current 25-40A
Sputter gas Ar
The plated film mode: large tracts of land evenly adds plating
Heater power control: 1000-1500W embodiment 2:
Base material: 35 * 45cm
2The enamel plate
Coating process: magnetron sputtering
Device: JT 12 magnetic control sputtering devices
Target: 1Cr18Ni9Ti steel alloy
Parameter: sputtering voltage 500-700V
Sputtering current 25-40A
Sputter gas Ar
The plated film mode: large tracts of land evenly adds plating
Heater power control: 1000-1500W embodiment 3:
Base material: 35 * 45cm
2Microcrystal glass plate
Coating process: magnetron sputtering
Other all technologies and Properties Control etc. are all with embodiment 2.Embodiment 4:
Base material: polyimide plate 35 * 45cm
2
Coating process: magnetron sputtering
Target: Al
Properties Control: heating power 500-750W
Other: are with embodiment 1 embodiment 5:
Base material: ceramic wafer 28 * 28cm
2
Coating process: magnetron sputtering
Target: Ni
Other: are with embodiment 1 embodiment 6:
Base material: simple glass 35 * 60cm
2
Coating process: vacuum coating
Device: vacuum coating equipment KD-700
Evaporation source material: Al silk 1m/m
Evaporation thermal source: three groups of helical tungsten filamens
Electric current 60A
Power 50W * 3
The plated film mode: large tracts of land evenly adds plating
Heater power control: 300-500W
Claims (5)
1. a far-infrared conduction film electric heater comprises conductive film, nonmetallic materials base material and electrode, it is characterized in that:
(1) described conductive film material is selected from aluminium, chromium or nickel metal, perhaps is selected from nichrome;
(2) described conductive film is to adopt magnetron sputtering or the even lining of vacuum coating method large tracts of land on described nonmetallic materials base material.
2. a far-infrared conduction film electric heater as claimed in claim 1 is characterized in that its base material is an enamel.
3. a far-infrared conduction film electric heater as claimed in claim 1 is characterized in that its base material is devitrified glass or simple glass.
4. a far-infrared conduction film electric heater as claimed in claim 1 is characterized in that its base material is pottery.
5. a far-infrared conduction film electric heater as claimed in claim 1 is characterized in that its base material is plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN93112735A CN1050963C (en) | 1993-12-31 | 1993-12-31 | Far-infrared conduction film electric heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN93112735A CN1050963C (en) | 1993-12-31 | 1993-12-31 | Far-infrared conduction film electric heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1124908A CN1124908A (en) | 1996-06-19 |
| CN1050963C true CN1050963C (en) | 2000-03-29 |
Family
ID=4990258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN93112735A Expired - Fee Related CN1050963C (en) | 1993-12-31 | 1993-12-31 | Far-infrared conduction film electric heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1050963C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2183388C1 (en) * | 2001-04-13 | 2002-06-10 | Общество с ограниченной ответственностью "Фирма Автоком+" | Method for manufacture of heating radiating panels (versions) |
| CN101724815B (en) * | 2009-12-16 | 2011-08-17 | 苏州爱迪尔自动化设备有限公司 | Method for preparing energy-saving heating films |
| CN104799580A (en) * | 2015-05-15 | 2015-07-29 | 上海隆美实业有限公司 | Intelligent-heating insulation rotary table for dining table |
| CN106102192A (en) * | 2016-07-07 | 2016-11-09 | 许永根 | A kind of conductive electrothermal cloth |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1072700A (en) * | 1991-11-22 | 1993-06-02 | 尹维平 | A kind of thin-thick film compound electro-thermal coatings |
-
1993
- 1993-12-31 CN CN93112735A patent/CN1050963C/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1072700A (en) * | 1991-11-22 | 1993-06-02 | 尹维平 | A kind of thin-thick film compound electro-thermal coatings |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1124908A (en) | 1996-06-19 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20000329 Termination date: 20101231 |