CN103673325A - Plate type multi-tube solar thermal collector - Google Patents
Plate type multi-tube solar thermal collector Download PDFInfo
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- CN103673325A CN103673325A CN201210319526.7A CN201210319526A CN103673325A CN 103673325 A CN103673325 A CN 103673325A CN 201210319526 A CN201210319526 A CN 201210319526A CN 103673325 A CN103673325 A CN 103673325A
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- thermal
- heat collector
- collecting tube
- collector according
- heat
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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 invention relates to the technical field of solar-thermal power generation, and discloses a plate type multi-tube solar thermal collector. The plate type multi-tube solar thermal collector comprises a shell body, multiple heat collection tubes, fins and a transparent covering plate, wherein the shell body is shaped like a box, the multiple heat collection tubes are fixed inside the shell body in parallel, the fins are corrugated, are matched with the heat collection tubes and are tightly attached to the upper faces of the heat collection tubes, the transparent covering plate covers the shell body and seals the shell body in a vacuum mode. The plate type multi-tube solar thermal collector enables temperature of a heat exchange surface to be evenly distributed, improves heat collection and heat exchange effects, has good heat-preservation and anti-freezing capacity, and prolongs the service life.
Description
Technical field
The present invention relates to solar light-heat power-generation systems technology field, particularly a kind of board-like multitube solar thermal collector.
Background technology
The energy is social development, the basis of human progress.Along with industrial expansion goes from strength to strength and human wants expanding day, Energy situation day is becoming tight, and green energy resource is considered to fundamentally solve the approach of mankind's energy demand.
Wherein solar energy is because of its " reserves " unlimitedness, distribution generality, the feature of clean and economy and be considered to one of the most potential new forms of energy.The feature of solar light-heat power-generation is good with electrical network suitability, and photoelectric conversion rate is high, and environmental protection is adjustable etc., thereby becomes the important development direction that solar energy utilizes.
The key of solar light-heat power-generation is by gathering of solar energy, produce generating required temperature and energy, thereby the heat collector of solar light-heat power-generation system partly becomes the key of whole system, it directly affects the economy of light thermoelectric conversion efficiency and cost of electricity-generating.
Existing solar hot water heat collector has various structures, generally can be divided into plate-type collector, vacuum heat collection pipe and heat pipe vacuum hot collector.Plate-type collector cost performance is higher, heat absorption heat exchange interface place is relatively mild, Energy distribution is more even, there is not focus in whole interface, overall heat exchange is more even, and service life is longer, so plate-type collector occupies consequence in solar energy optical-thermal field, but plate-type collector anti-freezing property is poor, is unsuitable for northern area and uses.Vacuum heat collection pipe is can low temperature resistant-30 Celsius, but the breakage rate of glass pipe fitting is higher, and low temperature usefulness is poor, and the vacuum heat collection pipe of direct current mode has the danger of booster in summer.Heat pipe vacuum hot collector usefulness is better, but the danger that exists equally glass tube easily to split, and therefore, not yet occurs a kind of universality, the solar thermal collector that cost performance is higher at present.
Therefore, this area is in the urgent need to researching and developing a kind of novel heat collector.
Summary of the invention
The object of the present invention is to provide a kind of novel board-like multitube solar thermal collector.There is good freezing tolerance, higher thermal-arrest heat transfer effect and longer service life.
For solving the problems of the technologies described above, embodiments of the present invention provide a kind of board-like multitube solar thermal collector, comprising: housing, and housing is box-like; Many thermal-collecting tubes, thermal-collecting tube is parallel to be fixed in housing; Fin, fin is the ripple type mating with thermal-collecting tube, is close to heat collection tube; Transparent cover plate, is covered in housing top, and seal casinghousing forms vacuum.
Optionally, fin is aluminum material, and surface applies coating for selective absorption.
Optionally, between thermal-collecting tube and housing bottom, fill the superfine glass fiber of aeroge or VI P-structure.
Optionally, between thermal-collecting tube and transparent cover plate, fill transparency aerogel.
Optionally, thermal-collecting tube is copper pipe or carbon steel pipe, penetrates welding with housing, maintains vacuum structure.
Optionally, thermal-collecting tube is snakelike being connected in series.
Optionally, thermal-collecting tube is for being connected in parallel.
Optionally, transparent cover plate is borosilicate 3.3 hard plate glass.
Optionally, on transparent cover plate, lay antireflection layer.
Optionally, in housing, fill and present evaporable and nonevaporable getter to maintain the vacuum of vacuum chamber.
Embodiment of the present invention compared with prior art, the main distinction and effect thereof are: many thermal-collecting tubes combine with the heat absorbing fins that is positioned at heat collection tube, the solar spectrum of injecting is provided with to light trapping, improved the thermal-arrest heat exchange efficiency of heat collector, simultaneously, the contact area that has increased thermal-collecting tube and heat absorbing fins makes heat-transfer surface uniformity of temperature profile, vacuum cavity makes better heat preservation, make heat collector possess better freezing tolerance, solve glass tube vacuum encapsulation problem, extended the service life of heat collector.
Accompanying drawing explanation
Fig. 1 is the structural representation of the board-like multitube solar thermal collector of the present invention;
Fig. 2 is the thermal-collecting tube cascaded structure schematic diagram of the board-like multitube solar thermal collector of the present invention;
Fig. 3 is the thermal-collecting tube parallel-connection structure schematic diagram of the board-like multitube solar thermal collector of the present invention.
The specific embodiment
In the following description, in order to make reader understand the application better, many ins and outs have been proposed.But, persons of ordinary skill in the art may appreciate that even without these ins and outs and the many variations based on following embodiment and modification, also can realize each claim of the application technical scheme required for protection.
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, embodiments of the present invention are described in further detail.In figure, same or analogous member uses the same reference numerals to represent.
Please refer to Fig. 1, is the structural representation of the board-like multitube solar thermal collector of the present invention.This board-like multitube solar thermal collector comprises: a housing 10, and this housing 10 is box-like; The many thermal-collecting tubes that be arranged in parallel 11 are fixed in housing 10; The fin 12 of ripple type, is close to thermal-collecting tube 11 tops, and the bellows-shaped of this fin 12 and thermal-collecting tube 11 match; Also have a transparent cover plate 13 that covers housing 10 tops, transparent cover plate 13 forms vacuum cavity with housing 10 sealings.
Many thermal-collecting tubes 11 combine with the heat absorbing fins 12 that is positioned at thermal-collecting tube 11 tops, the solar spectrum of injecting is provided with to light trapping, improved the thermal-arrest heat exchange efficiency of heat collector, simultaneously, ripple struction has increased thermal-collecting tube 11 makes heat-transfer surface uniformity of temperature profile with the contact area of heat absorbing fins 12, and vacuum cavity makes better heat preservation, makes heat collector possess good freezing tolerance, solve glass tube vacuum encapsulation problem, extended the service life of heat collector.
Between thermal-collecting tube 11 and the bottom of housing 10, fill the superfine glass fiber 14 of aeroge or VIP structure.Between thermal-collecting tube 11 and transparent cover plate 13, fill transparency aerogel 15.Aeroge 14 or superfine glass fiber 14 mainly play the effect of insulation, and transparency aerogel 15 can make sunlight arrive fin 12 surfaces by aeroge.In addition, due between housing 10 and transparent cover plate 13 for thering is the vacuum chamber of heat insulation effect, so this aeroge plays the effect of strengthening heat insulation effect.In some other embodiment of the present invention, also can not possess this aeroge 14.
Thermal-collecting tube 11 is selected copper pipe or carbon steel pipe, penetrates welding, to maintain vacuum structure with housing 10.Transparent cover plate 13 is borosilicate 3.3 hard plate glass.On transparent cover plate 13 surfaces, lay antireflection layer, to increase the percent of pass of solar spectrum, increase heat absorption heat exchange efficiency.Housing 10 can in fill and present evaporable and nonevaporable getter to maintain the vacuum of vacuum chamber.
Referring to Fig. 2, it is the structural representation that in template solar thermal collector of the present invention, thermal-collecting tube is connected in series.In figure, many thermal-collecting tubes 11 are snakelike being connected in series.
Referring to Fig. 3, it is the structural representation that in template solar thermal collector of the present invention, thermal-collecting tube is connected in parallel.In figure, many thermal-collecting tubes 11 are for being connected in parallel.
Although pass through with reference to some of the preferred embodiment of the invention, the present invention is illustrated and described, but those of ordinary skill in the art should be understood that and can do various changes to it in the form and details, and without departing from the spirit and scope of the present invention.
Claims (10)
1. a board-like multitube solar thermal collector, is characterized in that, comprising:
Housing, described housing is box-like;
Many thermal-collecting tubes, described thermal-collecting tube is parallel to be fixed in described housing;
Fin, described fin is the ripple type mating with thermal-collecting tube, is close to heat collection tube;
Transparent cover plate, is covered in housing top, and seal casinghousing forms vacuum.
2. heat collector according to claim 1, is characterized in that, described fin is aluminum material, and surface applies coating for selective absorption.
3. heat collector according to claim 1, is characterized in that, fills the superfine glass fiber of aeroge or VIP structure between described thermal-collecting tube and housing bottom.
4. heat collector according to claim 1, is characterized in that, between described thermal-collecting tube and described transparent cover plate, fills transparency aerogel.
5. heat collector according to claim 1, is characterized in that, described thermal-collecting tube is copper pipe or carbon steel pipe, penetrates welding with described housing.
6. heat collector according to claim 1, is characterized in that, described thermal-collecting tube is snakelike being connected in series.
7. heat collector according to claim 1, is characterized in that, described thermal-collecting tube is for being connected in parallel.
8. heat collector according to claim 1, is characterized in that, described transparent cover plate is borosilicate 3.3 hard plate glass.
9. heat collector according to claim 1, is characterized in that, on described transparent cover plate, lays antireflection layer.
10. heat collector according to claim 1, is characterized in that, fills and presents evaporable and nonevaporable getter to maintain the vacuum of vacuum chamber in described housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210319526.7A CN103673325A (en) | 2012-08-31 | 2012-08-31 | Plate type multi-tube solar thermal collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210319526.7A CN103673325A (en) | 2012-08-31 | 2012-08-31 | Plate type multi-tube solar thermal collector |
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| Publication Number | Publication Date |
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| CN103673325A true CN103673325A (en) | 2014-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210319526.7A Pending CN103673325A (en) | 2012-08-31 | 2012-08-31 | Plate type multi-tube solar thermal collector |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105135719A (en) * | 2014-05-27 | 2015-12-09 | 益科博能源科技（上海）有限公司 | High-performance vacuum heat preservation casing pipe |
| CN105222373A (en) * | 2014-05-27 | 2016-01-06 | 益科博能源科技（上海）有限公司 | Glass-metal Vacuum Package one dimension follows the tracks of focusing solar heat collector |
| CN105276834A (en) * | 2014-05-27 | 2016-01-27 | 益科博能源科技（上海）有限公司 | Vacuum heat-preservation calandria two-dimensional tracking focusing solar heat collector |
| CN109612128A (en) * | 2018-12-13 | 2019-04-12 | 广东五星太阳能股份有限公司 | Vacuum glas-cover board PVT solar thermal collector |
-
2012
- 2012-08-31 CN CN201210319526.7A patent/CN103673325A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105135719A (en) * | 2014-05-27 | 2015-12-09 | 益科博能源科技（上海）有限公司 | High-performance vacuum heat preservation casing pipe |
| CN105222373A (en) * | 2014-05-27 | 2016-01-06 | 益科博能源科技（上海）有限公司 | Glass-metal Vacuum Package one dimension follows the tracks of focusing solar heat collector |
| CN105276834A (en) * | 2014-05-27 | 2016-01-27 | 益科博能源科技（上海）有限公司 | Vacuum heat-preservation calandria two-dimensional tracking focusing solar heat collector |
| CN109612128A (en) * | 2018-12-13 | 2019-04-12 | 广东五星太阳能股份有限公司 | Vacuum glas-cover board PVT solar thermal collector |
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Application publication date: 20140326 |