CN2750250Y - Solar energy light-heat conversion device - Google Patents
Solar energy light-heat conversion device Download PDFInfo
- Publication number
- CN2750250Y CN2750250Y CNU2004200948256U CN200420094825U CN2750250Y CN 2750250 Y CN2750250 Y CN 2750250Y CN U2004200948256 U CNU2004200948256 U CN U2004200948256U CN 200420094825 U CN200420094825 U CN 200420094825U CN 2750250 Y CN2750250 Y CN 2750250Y
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- CN
- China
- Prior art keywords
- light
- photo
- heat conversion
- thermal
- 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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- Photovoltaic Devices (AREA)
Abstract
The utility model relates to a solar energy light-heat conversion device which comprises a plurality of light-heat conversion parts and two high-working substance flow channels, wherein the light-heat conversion parts are in the shape of strips; the light-heat conversion parts are arranged between the two high working substance flow channels with gaps; each light-heat conversion part is composed of a glass vacuum tube with excellent light transmission performance, a light-heat absorbing and converting metal plate whose double faces are attached with selective absorption coating layers, and a light-gathering plate, wherein the light-heat absorbing and converting metal plate is arranged in the glass vacuum tube, and low working substance flow channels which are communicated with the high working substance flow channels are arranged on the light-heat absorbing and converting metal plate; the light-gathering plate is arranged under the glass vacuum tube. Compared with the traditional solar energy light-heat conversion device, the utility model makes full use of the effective combination in the prior art to develop advantages and avoid shortages, and the utility model improves the conversion efficiency of the solar energy light-heat conversion device, raises the temperature of heat output and reduces wind resistance; besides, the utility model keeps the advantages of various light-heat conversion devices and keeps technical requirements and purposes such as production and operation in low cost, etc.
Description
Technical field
The utility model relates to a kind of solar energy optical-thermal conversion equipment.
Background technology
Sunlight heat utilizes the main modes such as flat photothermal converter, all-glass vacuum tube type photothermal converter and light-focusing type photothermal converter that adopt in the field at present.These modes all have pluses and minuses separately, and its major defect all is the side effect that produces because reaching certain effect.Below illustrate one by one with regard to flat photothermal converter, all-glass vacuum tube type photothermal converter and the existing problem of light-focusing type photothermal converter and pluses and minuses: 1, flat photothermal converter: its advantage is the photo-thermal conversion efficiency height, thermal output is simple, thermal output efficient height, the converter winding is simply firm, long service life; Shortcoming is that heat insulation effect is bad, operating temperature more than 60 degrees centigrade photo-thermal conversion efficiency descend obviously, the big wind loading rating of flat windage is relatively poor relatively.2, all-glass vacuum tube type photothermal converter: its advantage is the photo-thermal conversion efficiency height, high insulating effect, and middle high temperature photo-thermal conversion efficiency descends slow, and the less wind loading rating of windage is better relatively; Shortcoming is that working medium can not be with pressure work, and the slow thermal output efficient of toggle speed is low, and 60 degrees centigrade of following efficient of operating temperature are more flat low, and vacuum tube rubber seal connection reliability is poor, and glass breakage working medium spills and can cause systemic breakdown, not easy cleaning maintenance of system.3, light-focusing type photothermal converter: its advantage is the temperature height, can be used for the large scale industry purposes; Shortcoming is a system complex, the cost height, and photo-thermal conversion efficiency is lower relatively.The thermal conversion efficiency of above-mentioned three kinds of photothermal converters and the curve map of temperature relation are as shown in Figure 4.
The utility model content
The purpose of this utility model is to provide a kind of photo-thermal conversion equipment, and this device can improve the photothermal converter photo-thermal conversion efficiency, improves the thermal output temperature, reduces windage, keeps the advantage of multiple photothermal converter.
For reaching above-mentioned purpose, a kind of solar energy optical-thermal conversion equipment that the utility model provides, comprise a plurality of photo-thermal conversion portions and two big working medium runners, the photo-thermal conversion portion is ordered between two big working medium runners, described photo-thermal conversion portion is by the good glass-vacuum tube of light transmission, two-sided photo-thermal with coating for selective absorption absorbs the conversion metallic plate and solar panel constitutes, wherein photo-thermal absorption conversion metallic plate is arranged in the glass-vacuum tube, photo-thermal absorbs the conversion metallic plate and is provided with unskilled labourer's matter runner, unskilled labourer's matter runner is communicated with aforementioned big working medium runner, and solar panel is arranged on the below of glass-vacuum tube.
Photo-thermal conversion portion described in the utility model is bar shaped, leaves the space between every photo-thermal conversion portion, has reduced windage like this and has strengthened its weather resistance.
Big working medium runner described in the utility model is coated with insulating tube, is beneficial to working medium and carries the effect of playing insulation when heat energy output is used.
Operation principle of the present utility model is: when solar irradiation is mapped to solar energy optical-thermal conversion equipment surface, its light mainly is divided into direct irradiation and optically focused reflection two parts act on this device, light is radiated at two-sided photo-thermal absorption conversion metallic plate with coating for selective absorption through the good glass-vacuum tube of light transmission from tow sides and converts heat to, heat is conducted to working medium by runner again, carries heat energy output by working medium and uses.This installs high efficiency key and is that it has utilized optically focused, glass-vacuum tube translucidus and the heat insulating ability of solar panel, photo-thermal to absorb the efficient conversion that the conduction of changing metallic plate reaches photo-thermal rapidly.The curve map of the utility model thermal conversion efficiency and temperature relation as shown in Figure 5.
Compare with traditional solar energy photothermal converter, the utility model has adopted two-sided plate material with coating for selective absorption to do optical-thermal conversion material, do insulation with glass-vacuum tube, and be aided with solar panel optically focused, made full use of effective combination of prior art, maximize favourable factors and minimize unfavourable ones, reach raising photothermal converter photo-thermal conversion efficiency, improved the thermal output temperature, reduced windage, the advantage that keeps multiple photothermal converter keeps low-cost specification requirements such as operation and the purpose made.
Below in conjunction with the drawings and the specific embodiments the utility model is further described.
Description of drawings
Fig. 1 is one of structural representation of the present utility model;
Fig. 2 is two of a structural representation of the present utility model;
Fig. 3 is the structural representation of photo-thermal conversion portion of the present utility model;
Fig. 4 is the thermal conversion efficiency of existing three kinds of photothermal converters and the curve map of temperature relation;
Fig. 5 is the curve map of thermal conversion efficiency of the present utility model and temperature relation.
The specific embodiment
As shown in Figure 1, the utility model solar energy optical-thermal conversion equipment comprises a plurality of photo-thermal conversion portions 1 and two big working medium runners 2, and photo-thermal conversion portion 1 is ordered between two big working medium runners 2.Photo-thermal conversion portion 1 is bar shaped, leaves the space between every photo-thermal conversion portion 1.
As shown in Figure 3, photo-thermal conversion portion 1 is made of the good glass-vacuum tube 11 of light transmission, two-sided photo-thermal absorption conversion aluminium sheet 12 and solar panel 13 with coating for selective absorption, wherein photo-thermal absorption conversion aluminium sheet 12 is arranged in the glass-vacuum tube 11, photo-thermal absorbs conversion aluminium sheet 12 and is provided with unskilled labourer's matter runner 14, unskilled labourer's matter runner 14 is communicated with aforementioned big working medium runner 2, and solar panel 13 is arranged on the below of glass-vacuum tube 11.
Big working medium runner 2 of the present utility model is coated with insulating tube 3, and as shown in Figure 2, arrow is designated as the thermal output signal among the figure.
Claims (3)
1, a kind of solar energy optical-thermal conversion equipment, comprise a plurality of photo-thermal conversion portions (1) and two big working medium runners (2), photo-thermal conversion portion (1) is ordered between two big working medium runners (2), it is characterized in that described photo-thermal conversion portion (1) is by the good glass-vacuum tube of light transmission (11), two-sided photo-thermal with coating for selective absorption absorbs conversion metallic plate (12) and solar panel (13) constitutes, wherein photo-thermal absorption conversion metallic plate (12) is arranged in the glass-vacuum tube (11), photo-thermal absorbs conversion metallic plate (12) and is provided with unskilled labourer's matter runner (14), unskilled labourer's matter runner (14) is communicated with aforementioned big working medium runner (2), and solar panel (13) is arranged on the below of glass-vacuum tube (11).
2, solar energy optical-thermal conversion equipment according to claim 1 is characterized in that described photo-thermal conversion portion (1) is bar shaped, leaves the space between every photo-thermal conversion portion (1).
3, solar energy optical-thermal conversion equipment according to claim 1 is characterized in that described big working medium runner (2) is coated with insulating tube (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200948256U CN2750250Y (en) | 2004-11-08 | 2004-11-08 | Solar energy light-heat conversion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200948256U CN2750250Y (en) | 2004-11-08 | 2004-11-08 | Solar energy light-heat conversion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2750250Y true CN2750250Y (en) | 2006-01-04 |
Family
ID=35823632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2004200948256U Expired - Fee Related CN2750250Y (en) | 2004-11-08 | 2004-11-08 | Solar energy light-heat conversion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2750250Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101963407A (en) * | 2010-09-19 | 2011-02-02 | 北京天普太阳能工业有限公司 | Solar energy collection modular construction |
| CN111288665A (en) * | 2020-03-31 | 2020-06-16 | 北京结力能源科技有限公司 | Flat plate type vacuum tube solar heat collector |
-
2004
- 2004-11-08 CN CNU2004200948256U patent/CN2750250Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101963407A (en) * | 2010-09-19 | 2011-02-02 | 北京天普太阳能工业有限公司 | Solar energy collection modular construction |
| CN111288665A (en) * | 2020-03-31 | 2020-06-16 | 北京结力能源科技有限公司 | Flat plate type vacuum tube solar heat collector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |