CN2474960Y - Vacuum glass solar energy heat collecting tube - Google Patents
Vacuum glass solar energy heat collecting tube Download PDFInfo
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- CN2474960Y CN2474960Y CN01241523U CN01241523U CN2474960Y CN 2474960 Y CN2474960 Y CN 2474960Y CN 01241523 U CN01241523 U CN 01241523U CN 01241523 U CN01241523 U CN 01241523U CN 2474960 Y CN2474960 Y CN 2474960Y
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
Abstract
The utility model discloses a solar vacuum glass thermal-collecting pipe comprising an inner pipe and an outer pipe. Vacuum is formed between the inner pipe and the outer pipe. The inner pipe coating includes a basal layer, and an absorption layer, and an anti-reflecting layer. The basal layer comprises the metal layer, and the anti-reflecting layer comprises a dielectric layer. The utility model is characterized in that the absorption layer comprises a dielectric layer and a metal enriched layer adhesive the outside. Comprising to the priory art, the utility model can reduce heat dissipation, improve heat efficiency , and shorten the time of the formative time inner pipe coating, enhance the production efficiency of the thermal-collecting pipe , and save the investment of deposition equipment.
Description
The utility model relates to a kind of solar thermal collector, exactly is a kind of solar energy vacuum glass thermal-collecting tube.
The solar energy vacuum glass thermal-collecting tube is the core component of solar thermal collector.This thermal-collecting tube mainly is made up of interior pipe, outer tube, forms vacuum between the inner and outer pipes.Outer tube constitutes by glass tube; Interior pipe is called for short interior pipe coating formation then respectively by interior tube body and the solar selective absorbing coating that adheres on its outer surface.Should interior tube body can be glass tube, also can be metal tube; Should constitute by the basic unit, absorbed layer, the antireflection layer that distribute successively from inside to outside, be attached together mutually respectively by interior pipe coating.Basic unit constitutes attached to the infrared reflective metallic on the interior tube body outer surface by one usually.But when interior tube body adopted the metal material that infrared light is had high reflection, a low radiation physics characteristic to make, it also can directly be made of the outer surface of interior tube body; The dielectric substance layer that absorbed layer is made up of metallic and nonmetal particle constitutes; Antireflection layer is made of non-metallic layer or the dielectric substance layer be made up of metal and nonmetal particle.If the specific constructive form of pipe coating in existing is with general formula-antireflection layer/when absorbed layer/basic unit represents, mainly contain following several: carbon/stainless steel-carbon/copper; Aluminium-nitrogen/aluminium; Carbon/aluminium-nitrogen/aluminium.Wherein, the absorbed layer of pipe coating constitutes by the multilayer graded bedding in each, and the major defect that existing solar energy vacuum glass thermal-collecting tube exists is: 1, emissivity rising speed is very fast in the serviceability temperature elevation process, thereby its thermal efficiency is lower under the condition of high temperature.2, interior pipe coating formation time is long, thereby thermal-collecting tube production efficiency is lower.
The purpose of this utility model is for people provide a kind of production efficiency high and in the serviceability temperature elevation process, the emissivity slow solar vacuum glass heat absorbing pipe that raises.
The purpose of this utility model is to realize like this, it comprises interior pipe, outer tube, form vacuum between the inner and outer pipes, interior pipe coating is made up of basic unit, absorbed layer, antireflection layer, basic unit is made of metal level, antireflection layer is made of dielectric substance layer, be characterized in absorbed layer by dielectric substance layer and attached to its outside the metal enrichment layer form.
Above-mentioned basic unit, metal enrichment layer constitute by aluminium lamination; The dielectric substance layer of forming absorbed layer is made of one or more layers isotropic aluminium nitrogen layer; Antireflection layer by the isotropic aluminium nitrogen layer of one deck, be positioned at the isotropic alumina layer of the outmost one deck of this aluminium nitrogen layer and constitute.
Above-mentioned basic unit, metal enrichment layer constitute by aluminium alloy layer; The dielectric substance layer of forming absorbed layer is made of one or more layers isotropic aluminium alloy nitrogen layer; Antireflection layer by the isotropic aluminium alloy nitrogen layer of one deck, be positioned at the isotropic aluminium alloy oxygen of the outmost one deck of this aluminium alloy nitrogen layer layer and constitute.
Above-mentioned basic unit, metal enrichment layer constitute by aluminium lamination, and described dielectric substance layer constitutes by one or more layers isotropic aluminium nitrogen layer.
Above-mentioned basic unit, metal enrichment layer constitute by aluminium lamination, and described dielectric substance layer constitutes by the isotropic alumina layer of one deck.
Above-mentioned basic unit, metal enrichment layer constitute by aluminium lamination; Described dielectric substance layer constitutes by one or more layers isotropic aluminum-nitrogen-oxygen layer.
Above-mentioned basic unit, metal enrichment layer constitute by aluminium alloy layer, and described dielectric substance layer constitutes by one or more layers isotropic aluminium alloy nitrogen layer.
Above-mentioned basic unit, metal enrichment layer constitute by aluminium alloy layer; Described dielectric substance layer constitutes by the isotropic aluminium alloy oxygen of one deck layer.
Above-mentioned basic unit, metal enrichment layer constitute by aluminium alloy layer; Described dielectric substance layer constitutes by one or more layers isotropic aluminium alloy nitrogen oxygen layer.
After the utility model is realized, owing to be provided with the metal enrichment layer in the pipe coating in it, thereby, it compared with prior art has following advantage: 1, interior pipe coating can produce very strong inteferometer coating effect, thereby serviceability temperature is less to the emissivity influence of thermal-collecting tube when raising, thereby can reduce heat-energy losses, and then improve the thermal efficiency; 2, can obviously shorten the formation time of interior pipe coating, thereby improve the production efficiency of thermal-collecting tube, reduce manufacturing cost.
Because the metal ingredient of the metal-based layer of pipe coating, metal enrichment layer and composition absorbed layer, antireflection layer can adopt with a kind of metal and manufacture in the utility model.Therefore, it is compared with the prior art that with carbon/stainless steel one carbon/copper is interior pipe coating, and can to avoid using simultaneously two kinds of metals be stainless steel, copper, thereby simplify manufacture technology; Because pipe coating does not use acetylene gas in of the present utility model in manufacturing process, thereby it compares with the prior art that with carbon/aluminium-nitrogen/aluminium is interior pipe coating, can reduce equipment pollution.
To closing accompanying drawing embodiment of the present utility model is done explanation in further detail below.
Fig. 1 is the utility model structural representation.
Fig. 2 is the structural representation attached to the interior pipe coating on the interior tube body.
As seen from the figure, the something in common of the utility model and prior art is that it also is by interior pipe 4, outer tube 1 and be arranged on that support 9 between the inner and outer pipes forms, and make the cavity 2 between the inner and outer pipes form vacuum.Outer tube is made of glass tube; Interior Guan Ze forms by interior tube body with attached to the interior pipe coating 3 of its outside, and pipe coating is made up of the basic unit, absorbed layer, the antireflection layer that distribute successively from inside to outside, be attached together mutually respectively again in this.Wherein, interior tube body can be a glass tube, also can be metal tube; Basic unit 5 is made of the metal level that infrared spectrum is had high reflection, a low radiation physics characteristic attached to interior tube body outside, and when interior tube body adopted metal tube and its outer surface to have the above-mentioned physical characteristic of basic unit, then this basic unit also can directly be made of the outer surface of interior tube body; The dielectric substance layer that antireflection layer 8 is made up of metallic and nonmetal particle constitutes; The main distinction of the utility model and prior art is that dielectric substance layer 6 that its absorbed layer is made up of metallic and nonmetal particle respectively and the metal enrichment layer 7 that is positioned at its outside form.
When pipe coating adopted following four kinds of specific constructive form in of the present utility model, its implementation result was very good.Wherein, preceding two kinds of specific constructive form are respectively:
Embodiment 1
Basic unit, metal enrichment layer constitute by aluminium lamination; The dielectric substance layer of forming absorbed layer is made of one or more layers isotropic aluminium nitrogen layer; Antireflection layer by the isotropic aluminium nitrogen layer of one deck, be positioned at the isotropic alumina layer of the outmost one deck of this aluminium nitrogen layer and constitute.
Embodiment 2
Basic unit, metal enrichment layer constitute by aluminium alloy layer; The dielectric substance layer of forming absorbed layer is made of one or more layers isotropic aluminium alloy nitrogen layer; Antireflection layer by the isotropic aluminium alloy nitrogen layer of one deck, be positioned at the isotropic aluminium alloy oxygen of the outmost one deck of this aluminium alloy nitrogen layer layer and constitute.
The two kinds of specific constructive form in back can briefly be expressed as: contained metal ingredient is made by metal of the same name in the metal-based layer of interior pipe coating, metal enrichment layer, each dielectric substance layer, and contained nonmetal composition then is with a kind of nonmetallic substance in each dielectric substance layer.Now be listed below:
Basic unit, metal enrichment layer constitute by aluminium lamination, and each dielectric substance layer is then with being made of aluminium-nitrogen layer or aluminium-oxygen layer.
Basic unit, metal enrichment layer constitute by aluminium alloy layer, and each dielectric substance layer is then with being made of aluminium alloy-nitrogen layer or aluminium alloy-oxygen layer.
Contained metal ingredient is made by metal of the same name in the metal-based layer of pipe coating in the utility model, metal enrichment layer, each dielectric substance layer, when contained nonmetal composition then is all two kinds of nonmetallic substances in each dielectric substance layer, its implementation result is also more satisfactory, now is listed below:
Basic unit, metal enrichment layer constitute by aluminium lamination, and each dielectric substance layer then constitutes by aluminium-nitrogen-oxygen layer.
Basic unit, metal enrichment layer constitute by aluminium alloy layer, and each dielectric substance layer then constitutes by aluminium alloy-nitrogen-oxygen layer.
Tube body adopts metal tube in of the present utility model, this metal tube is different with the material of the metal enrichment layer of interior pipe coating, then the material with the metal enrichment layer is identical for contained metal ingredient in each dielectric substance layer, simultaneously contained nonmetal composition is a kind of or during two kinds of nonmetallic substances in each dielectric substance layer, the utility model also can be realized, be exemplified below:
Embodiment 7
Basic unit directly is made of aluminium matter or copper interior tube body outer surface, and the metal enrichment layer is made of aluminium alloy layer, and each dielectric substance layer is with being made of aluminium alloy-nitrogen layer or aluminium alloy-oxygen layer or aluminium alloy-nitrogen-oxygen layer.
Basic unit directly is made of aluminium alloy or copper interior tube body outer surface, and the metal enrichment layer is made of aluminium lamination, and each dielectric substance layer is with being made of aluminium-nitrogen-oxygen layer or aluminium-nitrogen layer or aluminium-oxygen layer.
In embodiment 3-8, except that described alumina layer, aluminium alloy oxygen layer must be made of a layer body, all the other each dielectric substance layers promptly can be made of a layer body, also can be made up of a plurality of body plies.No matter adopt which kind of version, all making each layer body is ergodicity, and promptly metallic, the nonmetal particle in each layer body is evenly distributed.Yet when each dielectric substance layer was made of graded bedding, the utility model also can use.
Manufacture technology process of the present utility model and prior art are basic identical, illustrate as follows:
1, manufactures interior pipe
With the magnetically controlled DC sputtering coating machine is production equipment, is 2～3 * 10 by non-reactive sputter-deposition technology sputtering sedimentation one layer thickness on this external surface of glass inner tube at first
-4The aluminium lamination 5 of mm, the basic unit of pipe in this aluminium lamination constitutes; By reactive sputter-deposition technology sputtering sedimentation one layer thickness on the outer surface of basic unit 5 is 4～6 * 10
-5Aluminium-nitrogen layer 6 of mm is 4～9 * 10 by non-reactive sputter-deposition technology sputtering sedimentation one layer thickness on the outer surface of aluminium-nitrogen layer 6
-6The aluminium lamination 7 of mm, this aluminium lamination constitutes the metal enrichment layer, the absorbed layer of pipe in this enriched layer and aluminium-nitrogen layer 6 constitute; Depositing a layer thickness by reactive sputter-deposition technology on the outer surface of absorbed layer is 5～8 * 10
-5Aluminium-nitrogen layer 8 of mm, the antireflection layer of pipe in this aluminium-nitrogen layer 8 constitutes.So far, make interior pipe.
In this implementation process, owing to be provided with the metal enrichment layer in the pipe coating in the utility model, make this coating form the specific constructive form of aluminium-nitrogen/aluminium/aluminium-nitrogen/aluminium, thereby its material of manufacturing identical with existing function of use, interior pipe coating is all aluminium, nitrogen, its make is then compared for the existing thermal-collecting tube of aluminium-nitrogen/aluminium, and manufacturing time has shortened 44%.
2, manufactured goods
By prior art pipe, outer tube, groups of holders in above-mentioned are dressed up one, and make and form vacuum between the inner and outer pipes and promptly obtain finished product.
Claims (9)
1, a kind of solar energy vacuum glass thermal-collecting tube, it comprises interior pipe, outer tube, form vacuum between the inner and outer pipes, interior pipe coating is made up of basic unit, absorbed layer, antireflection layer, basic unit is made of metal level, antireflection layer is made of dielectric substance layer, it is characterized in that absorbed layer by dielectric substance layer and attached to its outside the metal enrichment layer form.
2,, it is characterized in that described basic unit, metal enrichment layer constitute by aluminium lamination according to the described a kind of solar energy vacuum glass thermal-collecting tube of claim 1; The dielectric substance layer of forming described absorbed layer is made of one or more layers isotropic aluminium nitrogen layer; Described antireflection layer by the isotropic aluminium nitrogen layer of one deck, be positioned at the isotropic alumina layer of the outmost one deck of this aluminium nitrogen layer and constitute.
3,, it is characterized in that described basic unit, metal enrichment layer constitute by aluminium alloy layer according to the described a kind of solar energy vacuum glass thermal-collecting tube of claim 1; The dielectric substance layer of forming described absorbed layer is made of one or more layers isotropic aluminium alloy nitrogen layer; Described antireflection layer by the isotropic aluminium alloy nitrogen layer of one deck, be positioned at the isotropic aluminium alloy oxygen of the outmost one deck of this aluminium alloy nitrogen layer layer and constitute.
4, according to the described a kind of solar energy vacuum glass thermal-collecting tube of claim 1, it is characterized in that described basic unit, metal enrichment layer constitute by aluminium lamination, described dielectric substance layer constitutes by one or more layers isotropic aluminium nitrogen layer.
5, according to the described a kind of solar energy vacuum glass thermal-collecting tube of claim 1, it is characterized in that described basic unit, metal enrichment layer constitute by aluminium lamination, described dielectric substance layer constitutes by the isotropic alumina layer of one deck.
6,, it is characterized in that described basic unit, metal enrichment layer constitute by aluminium lamination according to the described a kind of solar energy vacuum glass thermal-collecting tube of claim 1; Described dielectric substance layer constitutes by one or more layers isotropic aluminum-nitrogen-oxygen layer.
7, according to the described a kind of solar energy vacuum glass thermal-collecting tube of claim 1, it is characterized in that described basic unit, metal enrichment layer constitute by aluminium alloy layer, described dielectric substance layer constitutes by one or more layers isotropic aluminium alloy nitrogen layer.
8,, it is characterized in that described basic unit, metal enrichment layer constitute by aluminium alloy layer according to the described solar energy vacuum glass thermal-collecting tube of claim 1; Described dielectric substance layer constitutes by the isotropic aluminium alloy oxygen of one deck layer.
9,, it is characterized in that described basic unit, metal enrichment layer constitute by aluminium alloy layer according to the described solar energy vacuum glass thermal-collecting tube of claim 1; Described dielectric substance layer constitutes by one or more layers isotropic aluminium alloy nitrogen oxygen layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN01241523U CN2474960Y (en) | 2001-05-10 | 2001-05-10 | Vacuum glass solar energy heat collecting tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN01241523U CN2474960Y (en) | 2001-05-10 | 2001-05-10 | Vacuum glass solar energy heat collecting tube |
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| Publication Number | Publication Date |
|---|---|
| CN2474960Y true CN2474960Y (en) | 2002-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN01241523U Expired - Fee Related CN2474960Y (en) | 2001-05-10 | 2001-05-10 | Vacuum glass solar energy heat collecting tube |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101839578A (en) * | 2010-03-12 | 2010-09-22 | 海宁伊满阁太阳能科技有限公司 | Preparation method and product of vacuum heat-collecting element of inner glass tube covered, patched and sprayed with metal |
| CN101839562A (en) * | 2010-03-12 | 2010-09-22 | 海宁伊满阁太阳能科技有限公司 | Preparation method, devices and product of heat-collecting element of inner glass tube with metal absorber |
| CN101839577A (en) * | 2010-03-12 | 2010-09-22 | 海宁伊满阁太阳能科技有限公司 | Manufacturing method of heat collection element of selective absorption film with slightly uneven surface |
| CN101650091B (en) * | 2009-09-08 | 2010-12-29 | 山东桑乐太阳能有限公司 | Vacuum collector tube and manufacturing method thereof |
-
2001
- 2001-05-10 CN CN01241523U patent/CN2474960Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101650091B (en) * | 2009-09-08 | 2010-12-29 | 山东桑乐太阳能有限公司 | Vacuum collector tube and manufacturing method thereof |
| CN101839578A (en) * | 2010-03-12 | 2010-09-22 | 海宁伊满阁太阳能科技有限公司 | Preparation method and product of vacuum heat-collecting element of inner glass tube covered, patched and sprayed with metal |
| CN101839562A (en) * | 2010-03-12 | 2010-09-22 | 海宁伊满阁太阳能科技有限公司 | Preparation method, devices and product of heat-collecting element of inner glass tube with metal absorber |
| CN101839577A (en) * | 2010-03-12 | 2010-09-22 | 海宁伊满阁太阳能科技有限公司 | Manufacturing method of heat collection element of selective absorption film with slightly uneven surface |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |