CN201892340U - Heat collector with multilayer solar spectrum selective absorbing coatings - Google Patents
Heat collector with multilayer solar spectrum selective absorbing coatings Download PDFInfo
- Publication number
- CN201892340U CN201892340U CN201020568697XU CN201020568697U CN201892340U CN 201892340 U CN201892340 U CN 201892340U CN 201020568697X U CN201020568697X U CN 201020568697XU CN 201020568697 U CN201020568697 U CN 201020568697U CN 201892340 U CN201892340 U CN 201892340U
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- layer
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- heat collector
- infrared reflecting
- antireflection
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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
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Abstract
The utility model provides a heat collector with multilayer solar spectrum selective absorbing coatings. The heat collector comprises a substrate, infrared reflecting layers, spectrum absorbing layers and antireflection layers, and the infrared reflecting layers, the spectrum absorbing layers and the antireflection layers are successively arranged on the substrate. The heat collector is characterized in that the heat collector is provided with at least two infrared reflecting layers, at least three spectrum absorbing layers and at least two antireflection layers. The heat collector greatly increases adhesive force between each infrared reflecting layer and the substrate, leads the total selective absorbing coatings to be stable in structure, fundamentally resolves the problem of falling of films, simultaneously improves infrared reflecting ability of the infrared reflecting layers, reduces emission ratio, increases heat absorbing efficiency of the absorbing layers, and further improves spectrum absorbing characteristic of the absorbing layers by the aid of the two antireflection layers. Particularly, a surface light limiting layer can further improve antireflection property of the antireflection layers.
Description
Technical field
The utility model relates to a kind of heat collector, and particularly a kind of solar thermal collector with multilayer solar spectral selective absorbing coating belongs to the solar energy utilization technique field.
Background technology
Solar spectral selective absorbing coating is the core of photo-thermal conversion, is widely used in various solar thermal collectors surface, and it is made of infrared reflecting layer, spectral absorption layer and antireflection layer, and infrared reflecting layer wherein and antireflection layer only are individual layer.Because the infrared reflecting layer of individual layer can not be taken into account good adhesive force and infrared external reflection ability, and easy demoulding; The anti-reflective effect of the antireflection layer of individual layer is unsatisfactory, causes the spectral absorption characteristics of coating not embody fully, thereby influences the collecting efficiency of heat collector.Therefore be necessary prior art is improved.
Summary of the invention
Be problems such as solution individual layer infrared reflecting layer can not have good adhesive force and infrared external reflection ability simultaneously, and individual layer antireflection layer anti-reflective effect is bad, the utility model provides a kind of heat collector with multilayer coating for selective absorption of sunlight spectrum.
The utility model is finished by following technical proposal: a kind of heat collector with multilayer coating for selective absorption of sunlight spectrum, comprise substrate, be located at suprabasil infrared reflecting layer, spectral absorption layer and antireflection layer successively, it is characterized in that infrared reflecting layer establishes two layers at least, the spectral absorption layer is established three layers at least, antireflection layer is established two layers at least, so that be coated with the adhesive force of interlayer, and increase infrared external reflection ability, light absorpting ability by the sandwich construction increase of infrared reflecting layer, spectral absorption layer and antireflection layer.
Described infrared reflecting layer is made as the adhesion enhancement layer of bottom, the infrared external reflection power enhancement layer on upper strata, and gross thickness is 50～100nm.
Described spectral absorption layer is made as the high fill factor absorbed layer of lower floor, the low fill factor, curve factor absorbed layer on intermediate layer and upper strata, and gross thickness is 120～200nm, to increase the luminous energy absorbability.
Described antireflection layer is made as the ganoid barrier layer of dense structure of lower floor, and the shaggy limit photosphere of the tissue looseness on upper strata, and gross thickness is 50～70nm, makes the coarse and enhancing reflection characteristic of film surface.
Described substrate is substrate of glass, perhaps metallic substrates.
Described heat collector is a thermal-collecting tube, perhaps the thermal-arrest plate.
The utlity model has following advantage and effect: by the multi-layer film structure of such scheme, greatly improved the adhesive force of infrared reflecting layer and substrate, make whole coating for selective absorption Stability Analysis of Structures, fundamentally solve the problem that film comes off, improved the infrared external reflection ability of infrared reflecting layer simultaneously, reduce the emission ratio, improved the heat absorption efficiency of absorbed layer, by using two-layer antireflection layer, can further improve the spectral absorption characteristics of absorbed layer, especially Biao Mian limit photosphere can further promote the reflection preventing ability of antireflection layer.
Description of drawings
Fig. 1 is the structural representation of the utility model.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described further, is not limited thereto but hold within the utility model.
As Fig. 1, the heat collector with multilayer coating for selective absorption of sunlight spectrum that the utility model provides is the thermal-arrest plate, comprise substrate of glass 1, be located at suprabasil infrared reflecting layer 2, spectral absorption layer 3 and antireflection layer 4 successively, wherein, infrared reflecting layer 2 is made as the adhesion enhancement layer 21 of bottom, and the infrared external reflection power enhancement layer 22 on upper strata, and gross thickness is 50-100nm; Spectral absorption layer 3 is made as the high fill factor absorbed layer 31 of lower floor, the low fill factor, curve factor absorbed layer on intermediate layer 32 and upper strata 33, and gross thickness is 120-200nm; Antireflection layer 4 is made as the ganoid barrier layer 41 of dense structure of lower floor, and the shaggy limit photosphere 42 of the tissue looseness on upper strata, and gross thickness is 50-70nm.
Claims (5)
1. heat collector with multilayer coating for selective absorption of sunlight spectrum, comprise substrate, be located at suprabasil infrared reflecting layer, spectral absorption layer and antireflection layer successively, it is characterized in that infrared reflecting layer establishes two layers at least, the spectral absorption layer is established three layers at least, and antireflection layer is established two layers at least.
2. the heat collector with multilayer coating for selective absorption of sunlight spectrum according to claim 1 is characterized in that described infrared reflecting layer is made as the adhesion enhancement layer of bottom, the infrared external reflection power enhancement layer on upper strata, and gross thickness is 50～100nm.
3. the heat collector with multilayer coating for selective absorption of sunlight spectrum according to claim 1, it is characterized in that described spectral absorption layer is made as the high fill factor absorbed layer of lower floor, the low fill factor, curve factor absorbed layer on intermediate layer and upper strata, gross thickness is 120～200nm.
4. the heat collector with multilayer coating for selective absorption of sunlight spectrum according to claim 1, it is characterized in that described antireflection layer is made as the ganoid barrier layer of dense structure of lower floor, and the shaggy limit photosphere of the tissue looseness on upper strata, gross thickness is 50～70nm.
5. the heat collector with multilayer coating for selective absorption of sunlight spectrum according to claim 1 is characterized in that described substrate is substrate of glass, perhaps metallic substrates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020568697XU CN201892340U (en) | 2010-10-20 | 2010-10-20 | Heat collector with multilayer solar spectrum selective absorbing coatings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020568697XU CN201892340U (en) | 2010-10-20 | 2010-10-20 | Heat collector with multilayer solar spectrum selective absorbing coatings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201892340U true CN201892340U (en) | 2011-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020568697XU Expired - Fee Related CN201892340U (en) | 2010-10-20 | 2010-10-20 | Heat collector with multilayer solar spectrum selective absorbing coatings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201892340U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105161141A (en) * | 2015-08-04 | 2015-12-16 | 浙江大学 | Visible-nearinfrared band UWB absorber and making method thereof |
| CN105605803A (en) * | 2015-04-07 | 2016-05-25 | 赵炜 | Tube-plate structure solar heat collector system provided with heat absorbing film |
| CN108981195A (en) * | 2018-08-13 | 2018-12-11 | 江苏浴普太阳能有限公司 | A kind of solar water heater system |
| CN109416201A (en) * | 2016-03-22 | 2019-03-01 | 丹麦Polycsp公司 | Solar selective coat |
| CN109456625A (en) * | 2018-11-15 | 2019-03-12 | 江苏赫尔斯镀膜技术有限公司 | Photocuring antireflection layer and its preparation method and application, heat absorption film and its preparation method and application |
-
2010
- 2010-10-20 CN CN201020568697XU patent/CN201892340U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605803A (en) * | 2015-04-07 | 2016-05-25 | 赵炜 | Tube-plate structure solar heat collector system provided with heat absorbing film |
| CN105161141A (en) * | 2015-08-04 | 2015-12-16 | 浙江大学 | Visible-nearinfrared band UWB absorber and making method thereof |
| CN109416201A (en) * | 2016-03-22 | 2019-03-01 | 丹麦Polycsp公司 | Solar selective coat |
| US10866013B2 (en) | 2016-03-22 | 2020-12-15 | POLYCSP AsP | Solar selective coating |
| CN108981195A (en) * | 2018-08-13 | 2018-12-11 | 江苏浴普太阳能有限公司 | A kind of solar water heater system |
| CN109456625A (en) * | 2018-11-15 | 2019-03-12 | 江苏赫尔斯镀膜技术有限公司 | Photocuring antireflection layer and its preparation method and application, heat absorption film and its preparation method and application |
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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: 20110706 Termination date: 20141020 |
|
| EXPY | Termination of patent right or utility model |