CN103796347B - For the compound aluminum strip of domestic air conditioning PTC heater - Google Patents
For the compound aluminum strip of domestic air conditioning PTC heater Download PDFInfo
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- CN103796347B CN103796347B CN201410074138.6A CN201410074138A CN103796347B CN 103796347 B CN103796347 B CN 103796347B CN 201410074138 A CN201410074138 A CN 201410074138A CN 103796347 B CN103796347 B CN 103796347B
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- aluminum strip
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- ptc heater
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Abstract
The invention discloses a kind of compound aluminum strip for domestic air conditioning PTC heater, compound aluminum strip is made up of sandwich layer and composite bed, and sandwich layer comprises Si, Fe, Mn, Cu, Ti and Al, and the thickness of sandwich layer accounts for the 80-90% of gross thickness; Composite bed comprises Si, Fe, Cu, Mg, Bi and Al, and the thickness of composite bed accounts for the 10-20% of gross thickness. The PTC heater that compound aluminum strip is like this made, its power attenuation rate is 1-3%, has not only increased the service life of air-conditioning, has reduced again the consumption of electric energy, has saved the energy.
Description
Technical field
The present invention relates to a kind of Al alloy composite, particularly a kind of compound aluminum strip for domestic air conditioning PTC heater.
Background technology
PTC is the abbreviation of PositiveTemperatureCoefficient, and the meaning is positive temperature coefficient, and PTC is widely used in household electrical appliances, is the important component part of modernization industry over nearly 20 years. At present, state-of-the-art PTC technology is mostly by Japan, German grasp in the world, and China is the country that manufactures in the world household electrical appliances maximum, the use amount maximum, particularly domestic air conditioning of PTC account for the more than 70% of the world, so development is current international state-of-the-art significant for domestic air conditioning PTC heater, can export in batches domestic air conditioning on the one hand, earn a large amount of foreign exchanges, on the other hand, save mass energy. And this needs brand-new design and material just can make, therefore, become indispensable critical material for the manufacture of the compound aluminum strip of most advanced domestic air conditioning PTC heater.
At present, the mode that most domestic PTC heater manufacturer heats after taking common aluminum strip additional aluminium alloy weld tabs and aluminium alloy wave belt fin to get well by hand assembled in vacuum drying oven is produced domestic air conditioning PTC heater, owing to having added aluminium alloy weld tabs, so can not adopt the common aluminum strip of punching, reduce like this heat dispersion of PTC heater, the heating efficiency of PTC heater is progressively reduced along with the prolongation of time, the power attenuation rate of PTC heater is generally greater than 10%, both shortened the service life of air-conditioning, improve again the consumption of electric energy, and waste energy.
Summary of the invention
The object of the invention is in order to overcome above deficiency, a kind of compound aluminum strip for domestic air conditioning PTC heater that improves heating efficiency, reduction power consumption, saves the energy is provided.
Object of the present invention is achieved through the following technical solutions: a kind of compound aluminum strip for domestic air conditioning PTC heater, compound aluminum strip is made up of sandwich layer and composite bed, sandwich layer comprises Si, Fe, Mn, Cu, Ti and Al, wherein the mass ratio of each composition is: Si:< 0.6%, Fe:< 0.7%, Mn:1.0-1.5%, Cu:0.05-0.2%, Ti:0.02-0.05%, all the other are Al, and the thickness of sandwich layer accounts for the 88-92% of gross thickness; Composite bed comprises Si, Fe, Cu, Mg, Sr, Bi and Al, wherein the mass ratio of each composition is: Si:8.5-10.5%, Fe < 0.6%, Mg:0.15-0.3%, Cu:0.1-0.3%, Sr:0.02-0.08%, Bi:0.02-0.2%, all the other are Al, and the thickness of composite bed accounts for the 8-12% of gross thickness.
Further improvement of the present invention is: compound aluminum strip is made up of sandwich layer and composite bed, sandwich layer comprises Si, Fe, Mn, Cu, Ti and Al, wherein the mass ratio of each composition is: Si:0.5%, Fe:0.5%, Mn:1.45%, Cu:0.12%, Ti:0.02%, Al:97.41%, the thickness of sandwich layer accounts for 89% of gross thickness; Composite bed comprises Si, Fe, Mg, Cu, Sr, Bi and Al, and wherein the mass ratio of each composition is: Si:9.3%, and Fe:0.48%, Mg:0.2%, Cu:0.15%, Sr:0.02%, Bi:0.05%, Al:89.8%, the thickness of composite bed accounts for 11% of gross thickness.
Further improvement of the present invention is: compound aluminum strip is made up of sandwich layer and composite bed, sandwich layer comprises Si, Fe, Mn, Cu, Ti and Al, wherein the mass ratio of each composition is: Si:0.4%, Fe:0.5%, Mn:1.35%, Cu:0.135%, Ti:0.03%, Al:97.585%, the thickness of sandwich layer accounts for 89.5% of gross thickness; Composite bed comprises Si, Fe, Mg, Cu, Sr, Bi and Al, and wherein the mass ratio of each composition is: Si:10%, and Fe:0.46%, Mg:0.23%, Cu:0.18%, Sr:0.03%, Bi:0.05%, Al:89.05%, the thickness of composite bed accounts for 10.5% of gross thickness.
Further improvement of the present invention is: compound aluminum strip is made up of sandwich layer and composite bed, sandwich layer comprises Si, Fe, Mn, Cu, Ti and Al, wherein the mass ratio of each composition is: Si:0.21%, Fe:0.38%, Mn:1.15%, Cu:0.20%, Ti:0.03%, Al:98.03%, the thickness of sandwich layer accounts for 91.3% of gross thickness; Composite bed comprises Si, Fe, Mg, Cu, Sr, Bi and Al, and wherein the mass ratio of each composition is: Si:10.3%, and Fe:0.42%, Mg:0.28%, Cu:0.26%, Sr:0.05%, Bi:0.06%, Al:88.63%, the thickness of composite bed accounts for 8.7% of gross thickness.
The present invention compared with prior art has the following advantages: the domestic air conditioning PTC heater that the present invention makes, can on compound aluminum strip, punch, make domestic air conditioning PTC heater obtain brand-new design, strengthen the radiating effect of domestic air conditioning PTC heater, make the heating power attenuation rate of PTC heater reduce to 1-3%, significantly promoted the utilization ratio of electric energy, so not only environmental protection but also energy-conservation, has also increased service life of domestic air conditioning.
Detailed description of the invention:
In order to deepen the understanding of the present invention, below in conjunction with embodiment, the invention will be further described, and this embodiment only, for explaining the present invention, does not form limiting the scope of the present invention.
The present invention shows a kind of detailed description of the invention for the compound aluminum strip of domestic air conditioning PTC heater, compound aluminum strip is made up of sandwich layer and composite bed, sandwich layer comprises Si, Fe, Mn, Cu, Ti and Al, wherein the mass ratio of each composition is: Si:< 0.6%, Fe:< 0.7%, Mn:1.0-1.5%, Cu:0.05-0.2%, Ti:0.02-0.05%, all the other are Al, and the thickness of sandwich layer accounts for the 88-92% of gross thickness; Composite bed comprises Si, Fe, Cu, Mg, Bi and Al, wherein the mass ratio of each composition is: Si:8.5-10.5%, Fe < 0.6%, Mg:0.15-0.3%, Cu:0.1-0.3%, Sr:0.02-0.08%, Bi:0.02-0.2%, all the other are Al, and the thickness of composite bed accounts for the 8-12% of gross thickness.
Embodiment 1:
Compound aluminum strip is made up of sandwich layer and composite bed, and sandwich layer comprises Si, Fe, Mn, Cu, Ti and Al, and wherein the mass ratio of each composition is: Si:0.5%, Fe:0.5%, Mn:1.45%, Cu:0.12%, Ti:0.02%, Al:97.41%, the thickness of sandwich layer accounts for 89% of gross thickness; Described composite bed comprises Si, Fe, Mg, Cu, Sr, Bi and Al, and wherein the mass ratio of each composition is: Si:9.3%, and Fe:0.48%, Mg:0.2%, Cu:0.15%, Sr:0.02%, Bi:0.05%, Al:89.8%, the thickness of composite bed accounts for 11% of gross thickness. The power attenuation rate of the PTC heater that compound aluminum strip is like this made is 2.8%, has reduced the consumption of electric energy, has saved the energy, has increased again the service life of air-conditioning.
Embodiment 2:
Compound aluminum strip is made up of sandwich layer and composite bed, and sandwich layer comprises Si, Fe, Mn, Cu, Ti and Al, and wherein the mass ratio of each composition is: Si:0.4%, Fe:0.5%, Mn:1.35%, Cu:0.135%, Ti:0.03%, Al:97.585%, the thickness of sandwich layer accounts for 89.5% of gross thickness; Composite bed comprises Si, Fe, Mg, Cu, Sr, Bi and Al, and wherein the mass ratio of each composition is: Si:10%, Fe:0.46%, Mg:0.23%, Cu:0.18%, Sr:0.03%, Bi:0.05%, Al:89.05%, the thickness of described composite bed accounts for 10.5% of gross thickness. The power attenuation rate of the PTC heater that compound aluminum strip is like this made is 2.3%, has reduced the consumption of electric energy, has saved the energy, has increased again the service life of air-conditioning.
Embodiment 3:
Compound aluminum strip is made up of sandwich layer and composite bed, and sandwich layer comprises Si, Fe, Mn, Cu, Ti and Al, and wherein the mass ratio of each composition is: Si:0.21%, Fe:0.38%, Mn:1.15%, Cu:0.20%, Ti:0.03%, Al:98.03%, the thickness of sandwich layer accounts for 91.3% of gross thickness; Composite bed comprises Si, Fe, Mg, Cu, Sr, Bi and Al, and wherein the mass ratio of each composition is: Si:10.3%, Fe:0.42%, Mg:0.28%, Cu:0.26%, Sr:0.05%, Bi:0.06%, Al:88.63%, the thickness of described composite bed accounts for 8.7% of gross thickness. The power attenuation rate of the PTC heater that compound aluminum strip is like this made is 1.8%, has reduced the consumption of electric energy, has saved the energy, has increased again the service life of air-conditioning.
The domestic air conditioning PTC heater that the present invention makes, can on compound aluminum strip, punch, make domestic air conditioning PTC heater obtain brand-new design, strengthen the radiating effect of PTC heater, make the heating power attenuation rate of PTC heater reduce to 1-3%, significantly promoted the utilization ratio of electric energy, so not only environmental protection but also energy-conservation, has also increased service life of air-conditioning.
Claims (3)
1. the compound aluminum strip for domestic air conditioning PTC heater, it is characterized in that: described compound aluminum strip is made up of sandwich layer and composite bed, described sandwich layer comprises Si, Fe, Mn, Cu, Ti and Al, wherein the mass ratio of each composition is: Si:0.5%, Fe:0.5%, Mn:1.45%, Cu:0.12%, Ti:0.02%, Al:97.41%, the thickness of described sandwich layer accounts for 89% of gross thickness; Described composite bed comprises Si, Fe, Mg, Cu, Sr, Bi and Al, and wherein the mass ratio of each composition is: Si:9.3%, Fe:0.48%, Mg:0.2%, Cu:0.15%, Sr:0.02%, Bi:0.05%, Al:89.8%, the thickness of described composite bed accounts for 11% of gross thickness.
2. the compound aluminum strip for domestic air conditioning PTC heater, it is characterized in that: described compound aluminum strip is made up of sandwich layer and composite bed, described sandwich layer comprises Si, Fe, Mn, Cu, Ti and Al, wherein the mass ratio of each composition is: Si:0.4%, Fe:0.5%, Mn:1.35%, Cu:0.135%, Ti:0.03%, Al:97.585%, the thickness of described sandwich layer accounts for 89.5% of gross thickness; Described composite bed comprises Si, Fe, Mg, Cu, Sr, Bi and Al, and wherein the mass ratio of each composition is: Si:10%, Fe:0.46%, Mg:0.23%, Cu:0.18%, Sr:0.03%, Bi:0.05%, Al:89.05%, the thickness of described composite bed accounts for 10.5% of gross thickness.
3. the compound aluminum strip for domestic air conditioning PTC heater, it is characterized in that: described compound aluminum strip is made up of sandwich layer and composite bed, described sandwich layer comprises Si, Fe, Mn, Cu, Ti and Al, wherein the mass ratio of each composition is: Si:0.21%, Fe:0.38%, Mn:1.15%, Cu:0.20%, Ti:0.03%, Al:98.03%, the thickness of described sandwich layer accounts for 91.3% of gross thickness; Described composite bed comprises Si, Fe, Mg, Cu, Sr, Bi and Al, and wherein the mass ratio of each composition is: Si:10.3%, Fe:0.42%, Mg:0.28%, Cu:0.26%, Sr:0.05%, Bi:0.06%, Al:88.63%, the thickness of described composite bed accounts for 8.7% of gross thickness.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410074138.6A CN103796347B (en) | 2014-03-03 | 2014-03-03 | For the compound aluminum strip of domestic air conditioning PTC heater |
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| CN201410074138.6A CN103796347B (en) | 2014-03-03 | 2014-03-03 | For the compound aluminum strip of domestic air conditioning PTC heater |
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| CN103796347B true CN103796347B (en) | 2016-05-25 |
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| JP4166613B2 (en) * | 2002-06-24 | 2008-10-15 | 株式会社デンソー | Aluminum alloy fin material for heat exchanger and heat exchanger formed by assembling the fin material |
| CN101289719A (en) * | 2007-04-19 | 2008-10-22 | 南通华特铝热传输材料有限公司 | Automobile radiator composite brazing aluminum foil material and method for making same |
| JP5302751B2 (en) * | 2009-04-21 | 2013-10-02 | 株式会社デンソー | Aluminum alloy clad material for heat exchanger |
| EP2574453B1 (en) * | 2011-09-30 | 2014-12-10 | Aleris Aluminium GmbH | Method for joining an aluminium alloy fin to a steel tube and heat exchanger made therefrom |
| ES2613590T3 (en) * | 2011-12-02 | 2017-05-24 | Uacj Corporation | Aluminum alloy material and aluminum alloy structure and their production process |
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