CN201852305U - All-glass vacuum solar thermal collecting tube - Google Patents
All-glass vacuum solar thermal collecting tube Download PDFInfo
- Publication number
- CN201852305U CN201852305U CN2010201244212U CN201020124421U CN201852305U CN 201852305 U CN201852305 U CN 201852305U CN 2010201244212 U CN2010201244212 U CN 2010201244212U CN 201020124421 U CN201020124421 U CN 201020124421U CN 201852305 U CN201852305 U CN 201852305U
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- China
- Prior art keywords
- glass tube
- tube
- glass
- inner glass
- solar energy
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- Expired - Fee Related
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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
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Abstract
The utility model relates to an all-glass vacuum solar thermal collecting tube which consists of an inner glass tube and an outer glass tube, wherein ends at one side of the inner glass tube and the outer glass tube are sealed into a whole by fusing, ends at the other side of the inner glass tube and the other glass tube are respectively sealed to form free ends, the outer surface of the inner glass tube is coated with a solar energy absorption layer antireflection film, and vacuum is formed between the inner glass tube and the outer glass tube. The all-glass vacuum solar thermal collecting tube is characterized in that a part at the lower side of the outer surface of a circular outer glass tube is coated or additionally provided with a layer of bright thinner tin, aluminum, copper or stainless steel reflective layer for reflecting sunlight irradiated on the reflective layer at the inner side of the outer surface of the circular outer glass tube from two sides between the inner glass tube and the outer glass tube and different directions onto the solar energy absorption layer antireflection film on the outer surface at the lower side of the inner glass tube, so as to increase thermal absorption surface, and greatly improve the thermal collection effect of the thermal collecting tube. The all-glass vacuum solar thermal collecting tube is applicable to solar water heaters, water boilers, steam generators, hot water power generation, outer glass tubes matched with inner glass tubes with various shapes in the all-glass vacuum solar thermal collecting tubes, and other products.
Description
Technical field
The utility model belongs to solar water heater, relates to all glass vacuum heat collection tube of solar energy, and it is applicable to solar water heater, boiler, steam generator, hot water generating, in all glass vacuum heat collection tube of solar energy with the supporting outer glass pipe product of the inner glass tube of different shape etc.
Background technology
In order to overcome problems such as the existing absorption efficiency of solar energy heat collection pipe is low, people have done many improvement to it.For example: Chinese patent 87210032 discloses a kind of all glass vacuum heat collection tube of solar energy, though it has higher transmission---and absorb long-pending and heat endurance preferably, exist the inner glass tube lower portion and absorb less than solar energy.Again for example: Chinese patent 012632694 " all glass vacuum heat collection tube of solar energy " absorption efficiency height absorbs less than solar energy but still exist the inner glass tube lower portion.Again for example: Chinese patent 2008200387160 " all glass vacuum heat collection tube of solar energy " absorption efficiency height absorbs less than solar energy or the like but also exist the inner glass tube lower portion.Influenced its higher Heat-collecting effect, applied widely and influenced it.
Summary of the invention
The purpose of this utility model is to provide all glass vacuum heat collection tube of solar energy of the inner glass tube that is fit to different shape, the outer surface downside part of its outer ring glass tube is coated with or adds one deck reflector layer, the pipe downside can absorb the solar energy of outer tube downside reflector layer reflection in making, to overcome the defective that exists in the prior art.
Above-mentioned purpose of the present utility model is achieved in that and exemplifies a kind of all glass vacuum heat collection tube of solar energy, form by interior glass round tube and outer glass round tube, one end sealing by fusing of interior glass round tube and outer glass round tube is integral, the other end of interior glass round tube and outer glass round tube seals the formation free end respectively, scribble the solar energy absorbing coating antireflective coating at interior glass round tube outer surface, be vacuum between interior glass round tube and the outer glass round tube, its key is; An outer glass round tube outer surface downside part is coated with or adds thin tin or aluminium or the copper or the stainless steel reflector layer of one deck light, both sides and different directions between interior pipe and outer tube shine manage in reflexing on the thin tin of the inboard light of outer glass round tube outer surface or aluminium or copper or the stainless steel reflector layer under on the side external surface solar energy absorbing coating antireflective coating.
Because the available all glass vacuum heat collection tube of solar energy outer glass pipe of a utility model outer surface part is coated with or has added thin tin or aluminium or the copper or the stainless steel reflector layer of light, both sides between inner and outer pipes and different directions shone has increased heat-absorbent surface on the pipe downside solar energy absorbing coating antireflective coating in reflexing on the thin tin of the inboard light of outer glass round tube outer surface or aluminium or copper or the stainless steel reflector layer, so it has improved the Heat-collecting effect of solar energy heat collection pipe greatly.
Because the available all glass vacuum heat collection tube of solar energy of the utility model, wherein should outer glass round tube outer surface lower portion to increase tin that light approaches or aluminium or copper or stainless steel reflector layer with technology such as dash coat or pressure add reliable.
Because all glass vacuum heat collection tube of solar energy described in the utility model, wherein this inner glass tube outer surface scribbles the solar absorbing layer antireflective coating, has adopted in addition dash coat of sodium rice technology, and its thickness can be controlled at 55 * 10
-9Rice, the equilibrium of inner glass tube coating, so side external surface has higher collector power under the inner glass tube.
All glass vacuum heat collection tube of solar energy described in the utility model, wherein this inner glass tube outer surface scribble solar absorbing layer can be for the aluminium film or be bottom preferably with the aluminium film, with gradual change aluminium-nitrogen composite is the solar selectively absorbing coating of absorbing material, perhaps also can be to be bottom, with the solar selectively absorbing coating of gradual change aluminium-carbon-O compoiste material with the aluminium film.
All glass vacuum heat collection tube of solar energy described in the utility model wherein also preferably scribbles antireflective coating on this solar absorbing layer.This antireflective coating can be aluminium-nitrogen-fluorine antireflective coating, maybe can be aluminium-oxygen-fluorine antireflective coating.
All glass vacuum heat collection tube of solar energy described in the utility model, wherein this solar absorbing layer also can be for copper film or preferably is bottom with the copper film, is that the solar selectively absorbing coating of absorbing material is the solar selectively absorbing coating of absorbing material again with gradual change aluminium-carbon-O compoiste material with stainless steel-nitrogen composite.Wherein also preferably scribble antireflective coating on this solar energy absorbing coating, this antireflective coating can maybe can be aluminium-oxygen-fluorine antireflective coating for aluminium-nitrogen-fluorine antireflective coating.
All glass vacuum heat collection tube of solar energy described in the utility model, wherein the thickness of this antireflective coating is preferably 55 * 10
-9Rice.
All glass vacuum heat collection tube of solar energy described in the utility model, the thin tin of the outer surface light of its China and foreign countries' glass round tube or aluminium or copper or the wide and outer glass round tube outer surface of stainless steel reflector layer girth ratio were at 1: 2---between 1: 10, wherein tin or aluminium or copper or stainless steel reflector layer length and outer glass round tube appearance face length ratio were at 0.95: 1---between 0.1: 1.
All glass vacuum heat collection tube of solar energy described in the utility model, wherein should in can set up between the free end of glass round tube and outer glass round tube and have the getter locating support.
Description of drawings
Fig. 1 is the cross sectional representation of all glass vacuum heat collection tube of solar energy;
Fig. 2 is an all glass vacuum heat collection tube of solar energy vertical section structure schematic diagram;
Fig. 3 is the local enlarged diagram of inner glass tube outer surface solar absorbing layer.
The specific embodiment
Below in conjunction with accompanying drawing shown in the embodiment, the utility model is described in further detail.
In conjunction with Fig. 1, it is the cross sectional representation of the described all glass vacuum heat collection tube of solar energy of utility model.Form by concentric circular inner glass tube 2 and circular outer glass pipe 1, scribble solar absorbing layer 3 at circular inner glass tube 2 outer surfaces.And circular glass tube outer surface downside has reflector layer 5 outside.And be evacuated 4 between solar absorbing layer 3 that should circle inner glass tube 2 and the circular outer glass pipe 1.
In conjunction with Fig. 2, it is the vertical section structure schematic diagram of all glass vacuum heat collection tube of solar energy described in the utility model.One end sealing by fusing of circular inner glass tube 2 and circular outer glass pipe 1 is integral, with shown in Figure 1 the same, scribble solar absorbing layer 3 at circular inner glass tube 2 outer surfaces, and reflector layer 5 is arranged, and be evacuated between solar absorbing layer 3 that should circle inner glass tube 2 and the circular outer glass pipe 1 at circular outer glass pipe 1 outer surface downside.The other end of circular inner glass tube 2 and circular outer glass pipe 1 seals the formation free end respectively, and should circle inner glass tube 2 and the free end of circular outer glass pipe 1 between have additional locating support 6.
In conjunction with Fig. 3, it is an all glass vacuum heat collection tube of solar energy described in the utility model, the local enlarged diagram of inner glass tube outer surface solar absorbing layer, on the outer surface of inner glass tube 2, scribble solar absorbing layer 3, this solar absorbing layer 3 is to be bottom with the aluminium film, is the solar selectively absorbing coating of absorbing material with gradual change aluminium-nitrogen composite.Or this solar absorbing layer 3 is to be bottom with the copper film, is the solar selectively absorbing coating of absorbing material with stainless steel-nitrogen composite, is the solar selectively absorbing coating of absorbing material with gradual change aluminium-nitrogen composite again.It can also be seen that from Fig. 3, also scribble antireflective coating 7 on this solar absorbing layer 3, this antireflective coating 7 is layer of aluminum-nitrogen-fluorine antireflective coatings.Because the concrete moulding process of solar absorbing layer 3 and antireflective coating 7 has detailed description in the prior art, do not give unnecessary details so do not add at this.
The utility model is owing to adopted said structure, increase and utilized the inner glass tube downside to absorb the solar energy that reflection comes, therefore effectively overcome existing defective in the prior art, can be at solar water heater, boiler, steam generator, hot water generating, in all glass vacuum heat collection tube of solar energy with the supporting products such as outer glass pipe of the inner glass tube of different shape in utilization and extention widely.
Claims (2)
1. all glass vacuum heat collection tube of solar energy, form by inner glass tube and outer glass pipe, one end sealing by fusing of inner glass tube and outer glass pipe is integral, the other end of inner glass tube and outer glass pipe seals the formation free end respectively, scribble the solar absorbing layer antireflective coating at the inner glass tube outer surface, it between inner glass tube and the outer glass pipe vacuum, it is characterized in that: an outer glass round tube outer surface downside part is coated with or adds thin tin or aluminium or the copper or the stainless steel reflector layer of one deck light, and the sunlight reflected that both sides and different directions between inner glass tube and outer glass pipe is shone outer glass round tube outer surface inboard reflector layer is under the inner glass tube on the side external surface solar energy absorbing coating antireflective coating.
2. all glass vacuum heat collection tube of solar energy as claimed in claim 1, it is characterized in that tin or aluminium or the copper that the outer surface light of outer ring glass tube is thin or the stainless steel reflector layer is wide with outer ring glass tube exterior surface girth ratio at 1: 2---between 1: 10, the long and outer ring glass tube exterior surface length ratio of tin that the outer surface of outer ring glass tube light is thin or aluminium or copper or stainless steel reflector layer was at 0.95: 1---between 0.1: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201244212U CN201852305U (en) | 2010-03-08 | 2010-03-08 | All-glass vacuum solar thermal collecting tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201244212U CN201852305U (en) | 2010-03-08 | 2010-03-08 | All-glass vacuum solar thermal collecting tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201852305U true CN201852305U (en) | 2011-06-01 |
Family
ID=44094696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201244212U Expired - Fee Related CN201852305U (en) | 2010-03-08 | 2010-03-08 | All-glass vacuum solar thermal collecting tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201852305U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927709A (en) * | 2012-11-23 | 2013-02-13 | 程翠英 | Self-condensation all-glass vacuum solar collecting pipe |
| CN106091413A (en) * | 2016-06-15 | 2016-11-09 | 江苏骄豪新能源科技有限公司 | A kind of all glass vacuum heat collection tube of solar energy |
| CN109099596A (en) * | 2018-09-07 | 2018-12-28 | 安徽春升新能源科技有限公司 | A kind of four target solar energy heat collection pipes |
-
2010
- 2010-03-08 CN CN2010201244212U patent/CN201852305U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927709A (en) * | 2012-11-23 | 2013-02-13 | 程翠英 | Self-condensation all-glass vacuum solar collecting pipe |
| CN106091413A (en) * | 2016-06-15 | 2016-11-09 | 江苏骄豪新能源科技有限公司 | A kind of all glass vacuum heat collection tube of solar energy |
| CN109099596A (en) * | 2018-09-07 | 2018-12-28 | 安徽春升新能源科技有限公司 | A kind of four target solar energy heat collection pipes |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110601 Termination date: 20140308 |