CN202002342U - Parabolic solar concentration heat collector - Google Patents
Parabolic solar concentration heat collector Download PDFInfo
- Publication number
- CN202002342U CN202002342U CN2011201331588U CN201120133158U CN202002342U CN 202002342 U CN202002342 U CN 202002342U CN 2011201331588 U CN2011201331588 U CN 2011201331588U CN 201120133158 U CN201120133158 U CN 201120133158U CN 202002342 U CN202002342 U CN 202002342U
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- CN
- China
- Prior art keywords
- solar
- collecting tube
- cambered
- cambered surfaces
- intersection point
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- 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
Abstract
The utility model discloses a parabolic solar concentration heat collector, which comprises a solar vacuum heat collecting tube and a parabolic concentrated solar light reflecting plate, wherein the parabolic concentrated solar light reflecting plate comprises a base body with an arc-shaped inner surface and an anode aluminum oxide layer attached to the arc-shaped inner surface. The arc-shaped inner surface comprises two adjacent cambered surfaces, the two adjacent cambered surfaces have a cambered surface intersection point and are symmetrical relative to the cambered surface intersection point, a camber line of the two cambered surfaces serves as an involute of a circular section of the solar vacuum heat collecting tube, the projection area of the two cambered surfaces is equal to the superficial area of the solar vacuum heat collecting tube, and the solar vacuum heat collecting tube is positioned above the cambered surface intersection point. The parabolic solar concentration heat collector has the advantages that direct solar radiation, partial scattered radiation and 'solar surrounding radiation' can be received, and the anode aluminum oxide layer overcomes the shortcomings that past reflecting plates are easy to corrode, and a stainless steel light reflecting plate is low in reflectivity and lower in heat collection.
Description
Technical field
This patent relates to a kind of solar thermal collector, relates in particular to a kind of throwing face shape solar concentrating collector.
Background technology
At present, the reflecting plate of Chang Yong solar thermal collector mostly is flat or single reflective arc formula.Its shortcoming is: sun reflective surface area is little, and effectively light application time is short; When sunray was departed from gradually by the forward vertical irradiation, the light that the reflecting plate surface reflexes to thermal-collecting tube reduced gradually, and heat waste is big, and light gathering efficiency is low; And because Chinese most of local climate condition is not very good, the traditional reflective plate in use can be corroded very soon, has also just lost reflecting properties, also just causes the decline of water heater heat collection function naturally.
Therefore, in solar thermal collector market, be badly in need of providing a kind of product that can save the horizontal space resource, reduce space cost.
The utility model content
The utility model aims to provide a kind ofly can improve light gathering efficiency, be difficult for the throwing face shape solar concentrating collector that is corroded in using, and to solve the problem that existing solar thermal collector light gathering efficiency is low and very easily be corroded, satisfies the demand of various production occasions.
Goal of the invention of the present utility model realizes by following technical proposals:
A kind of throwing face shape solar concentrating collector, comprise the solar energy vacuum tube thermal-collecting tube, throwing face shape Photospot solar reflector, described throwing face shape Photospot solar reflector comprises matrix with arc inner face and attached to the anodic aluminum oxide layer of arc inner face, described arc inner face comprises two adjacent cambered surfaces, described two cambered surfaces have a cambered surface intersection point, described two cambered surfaces are with respect to described cambered surface intersection point symmetry, the camber line of described two cambered surfaces is the involute of described solar energy vacuum tube thermal-collecting tube cross section circle, the projected area of described two cambered surfaces equals the surface area of used described solar energy vacuum tube thermal-collecting tube, and described solar energy vacuum tube thermal-collecting tube is positioned at the top of described cambered surface intersection point.
The beneficial effects of the utility model: solar thermal collector described in the utility model adopts throwing face shape Photospot solar reflector to replace the classical inverse tabula rasa, thereby can receive beam radia and part scattering radiation, and can receive common reflector " sun ambient radiation " that can not receive; Anodic aluminum oxide layer has overcome the shortcoming that reflector was perishable in the past, stainless steel reflector reflectivity is low, heat collection function descends, and has both guaranteed that product also had long service life in the area of the most of harsh weather of China; Guaranteed higher solar energy reflector reflectivity again.No matter sunshine is direct projection, oblique fire or scattering, throwing face shape Photospot solar reflector can both all reflex to light on the vacuum heat collection pipe, and for common reflector, no matter sunshine is direct projection, oblique fire or scattering, common reflector all can not all reflex to light on the vacuum heat collection pipe; Anodised aluminium mirror process technology is adopted on the surface, makes reflecting plate surperficial through after the anodised aluminium mirror process, more corrosion-resistant, and dust protection reduces decay; Throwing face shape Photospot solar reflector adopts whole plate compression moulding, and intensity is good; Be generally the adjacent in twos many groups structure of cambered surface, each cambered surface can be made split, assembling then, and highly versatile, packed and transported is convenient; Throwing face shape Photospot solar reflector matrix is made for the high accuracy alloy material, and the top layer is the very high anodised aluminium specular layer of reflectivity; During installation, throw face shape Photospot solar reflector and closely be fixed between vacuum tube and the support, overcome the shortcoming of former reflector easy deformation, wind resistance is better; Throwing face shape Photospot solar reflector is installed simple, and is aesthetic in appearance generous, and through ceramic minute surface specially treated, the floating dust coefficient is quite little, and rainwater just can clean automatically during the rainy day.Can both guarantee good absorptivity and reflectivity the whole year.
Description of drawings
Fig. 1 is the structural representation of throwing face shape solar concentrating collector described in the utility model.
Among the figure:
1, throws face shape Photospot solar reflector; 2, solar energy vacuum tube thermal-collecting tube; 3, direct sunlight line; 4, reflection ray; 5, cambered surface intersection point.
The specific embodiment
Following with reference to accompanying drawing 1, in conjunction with concrete embodiment the utility model is further described.
Throwing face shape solar concentrating collector described in the utility model, comprise solar energy vacuum tube thermal-collecting tube 2, throwing face shape Photospot solar reflector 1, described throwing face shape Photospot solar reflector 1 comprises matrix with arc inner face and attached to the anodic aluminum oxide layer of arc inner face, described arc inner face comprises two adjacent cambered surfaces, described two cambered surfaces have a cambered surface intersection point 5, described two cambered surfaces are with respect to described cambered surface intersection point symmetry, the camber line of described two cambered surfaces is the involute of described solar energy vacuum tube thermal-collecting tube cross section circle, the projected area of described two cambered surfaces equals the surface area of used described solar energy vacuum tube thermal-collecting tube, and described solar energy vacuum tube thermal-collecting tube 2 is positioned at the top of described cambered surface intersection point 5.
Heat collector described in the utility model is the concentrator of the low degree of focus of a kind of non-imaging, and it can be collected the incident ray in the given acceptance angle scope on the receiver by desirable optically focused ratio according to the design of rim ray principle.Described throwing face shape solar concentrating collector can be realized 360 degree daylightings, and the thermal efficiency improves 15%.
Throwing face shape solar concentrating collector has two cambered surfaces, and the camber line of two cambered surfaces is the involute of used vacuum heat-collecting tube section circle, light by the every bit on this as can be known pair cambered surface of optical principle can both reflex on the vacuum heat collection pipe 2, no matter still cloudy at fine day, throwing face shape solar concentrating collector all can be realized 360 degree daylightings, the light gathering efficiency height, the reflectivity height, the complete machine heat waste is little; Especially at rainy weather, throwing face shape solar concentrating collector can focus on scattering sunlight in the air, reflexes to true hole tube-surface, improves collecting efficiency.And with respect to common heat collector, throw face shape solar concentrating collector and can obtain more energy in spring, autumn, winter, no matter the cloudy still temperature of weather is below zero centigrade, can both the whole year hot-water supply safely and reliably.As shown, direct sunlight line 3 reflexes to light on the solar energy vacuum tube thermal-collecting tube 2 by reflection ray 4 after being mapped to described throwing face shape Photospot solar reflector 1.
Certainly should recognize, though carried out the description of front by example of the present utility model, to the utility model make will to those skilled in the art conspicuous like this and other improvement and changing should think and fall in the utility model broad range as this paper proposition.Therefore, although the utility model with reference to preferred embodiment be described,, its meaning is not that the equipment of tool novelty is restricted therefrom, on the contrary, it is intended to comprise various improvement and equivalent modifications within the broad range that meets above-mentioned open part, claim.
Claims (1)
1. throw face shape solar concentrating collector for one kind, it is characterized in that: described heat collector comprises the solar energy vacuum tube thermal-collecting tube, throwing face shape Photospot solar reflector, described throwing face shape Photospot solar reflector comprises matrix with arc inner face and attached to the anodic aluminum oxide layer of arc inner face, described arc inner face comprises two adjacent cambered surfaces, described two cambered surfaces have a cambered surface intersection point, described two cambered surfaces are with respect to described cambered surface intersection point symmetry, the camber line of described two cambered surfaces is the involute of described solar energy vacuum tube thermal-collecting tube cross section circle, the projected area of described two cambered surfaces equals the surface area of used described solar energy vacuum tube thermal-collecting tube, and described solar energy vacuum tube thermal-collecting tube is positioned at the top of described cambered surface intersection point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201331588U CN202002342U (en) | 2011-04-29 | 2011-04-29 | Parabolic solar concentration heat collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201331588U CN202002342U (en) | 2011-04-29 | 2011-04-29 | Parabolic solar concentration heat collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202002342U true CN202002342U (en) | 2011-10-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201331588U Expired - Fee Related CN202002342U (en) | 2011-04-29 | 2011-04-29 | Parabolic solar concentration heat collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202002342U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103574922A (en) * | 2012-08-10 | 2014-02-12 | 浙江神太太阳能有限公司 | Ultra-thin flat plate vacuum pipe solar heat collector |
-
2011
- 2011-04-29 CN CN2011201331588U patent/CN202002342U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103574922A (en) * | 2012-08-10 | 2014-02-12 | 浙江神太太阳能有限公司 | Ultra-thin flat plate vacuum pipe solar heat collector |
| CN103574922B (en) * | 2012-08-10 | 2016-01-27 | 浙江神太太阳能股份有限公司 | A kind of ultrathin planar vacuum tube type solar collector |
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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: 20111005 Termination date: 20150429 |
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| EXPY | Termination of patent right or utility model |