CN203068818U - Flat-plate solar PV hot water and hot air composite collector - Google Patents
Flat-plate solar PV hot water and hot air composite collector Download PDFInfo
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- CN203068818U CN203068818U CN 201320030392 CN201320030392U CN203068818U CN 203068818 U CN203068818 U CN 203068818U CN 201320030392 CN201320030392 CN 201320030392 CN 201320030392 U CN201320030392 U CN 201320030392U CN 203068818 U CN203068818 U CN 203068818U
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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
本实用新型涉及平板型太阳能光伏热水热空气复合集热器。包括箱体、均布的铜管、进水管、出水管和玻璃盖板，玻璃盖板和铜管之间的腔体内设有吸热板，铜管和吸热板接触，玻璃盖板和吸热板之间形成空气夹层；与玻璃盖板相邻的吸热板顶面上均布设有光伏电池，吸热板底面上均布设有微小流阻块；吸热板底面下方的箱体宽度方向两侧壁分别设有进风口和出风口，吸热板底面下方的箱体内形成贯通的空气流道。本实用新型的平板型太阳能光伏热水热空气复合集热器可以实现太阳能的分频利用，同时产生电能和热能，大大提高太阳能的利用效率；可以根据季节和环境要求选择热水或热空气模式，实现全年的光热充分利用，同时降低光伏板温度，提高光电转换效率。
The utility model relates to a flat-plate solar photovoltaic hot water hot air composite heat collector. It consists of a box body, uniformly distributed copper pipes, water inlet pipes, water outlet pipes and a glass cover. There is a heat absorbing plate in the cavity between the glass cover and the copper pipe. The copper pipe is in contact with the heat absorbing plate. The glass cover and the absorbing plate An air interlayer is formed between the heat plates; photovoltaic cells are uniformly distributed on the top surface of the heat absorption plate adjacent to the glass cover, and small flow resistance blocks are evenly distributed on the bottom surface of the heat absorption plate; the width direction of the box below the bottom surface of the heat absorption plate The two side walls are respectively provided with an air inlet and an air outlet, and a through air passage is formed in the box below the bottom surface of the heat absorbing plate. The flat-plate solar photovoltaic hot water hot air composite heat collector of the utility model can realize the frequency division utilization of solar energy, generate electric energy and heat energy at the same time, and greatly improve the utilization efficiency of solar energy; the hot water or hot air mode can be selected according to seasons and environmental requirements , to realize the full use of light and heat throughout the year, while reducing the temperature of photovoltaic panels and improving photoelectric conversion efficiency.
Description
Technical field
The utility model belongs to photovoltaic and photothermal solar comprehensive utilization technique field, is specifically related to a kind of plate type solar photovoltaic and photothermal compound heat collector.
Background technology
Solar energy photovoltaic utilization and solar thermal utilization are two importances that solar energy utilizes.The photoelectric transformation efficiency of solar photovoltaic assembly is still lower at present, and the temperature rising also can cause photoelectric transformation efficiency to descend behind the battery absorption solar irradiation, and when 1 ℃ of the every rising of battery temperature, its photoelectric transformation efficiency will descend 3～5 ‰.In recent years, photovoltaic and photothermal solar comprehensive utilization (PV/T) system is because its good solar energy composite utilization ratio is subjected to extensive concern.On the one hand, the PV/T system has improved the photovoltaic/thermal comprehensive utilization ratio of unit are; On the other hand, by the heat-transfer working medium cooling, reduce the photovoltaic panel temperature, improved photoelectric efficiency.The heat-transfer working medium of PV/T system mainly contains two kinds of sky G﹠Ws at present.At home, the difunctional heat collector of photovoltaic hot-water heat collector, photovoltaic air collector and air and hot water combination all has more application, drive solar energy air heat collector (CN102322695A) as photovoltaic, whole plate tube-sheet type photovoltaic hot-water module (CN101740650A), flat-plate heat pipe photovoltaic and photothermal solar compound heat collector and manufacture craft thereof (CN102646742), multifunctional flat heat collector (CN201155869) etc.
Solar energy air heat collector is mainly used in the building and heating in winter, and annual other times can't realize that solar energy effectively utilizes.Solar hot water heat collector is mainly used in the spring and summer autumn and heats water, and winter, utilization rate was not high, and the phenomenon of freezing occurs easily.Therefore single hot water PV/T module and air PV/T module can not realize that all annual solar energy effectively utilizes, and is necessary it is carried out structure of modification.Existing difunctional heat collector can provide hot water and room heating demand, but still needs the outside that electric energy is provided in active circulation, is used for driving water pump or blower fan.Simultaneously, existing solar energy air heat collector mainly passes through to increase the mode of spoiler or heat exchange fin, heat exchange between air and absorber plate in the reinforcement runner, but arranging of spoiler or fin can increase windage and fan energy consumption, also increase simultaneously metal wastage, improved the heat collector manufacturing cost.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of and can take full advantage of solar energy the whole year, makes the photovoltaic cell efficient operation, and exports the plate type solar photo voltaic hot water hot-air compound heat collector of hot water or hot-air simultaneously.
Plate type solar photo voltaic hot water hot-air compound heat collector comprises the heat collector cases of being made up of four lateral frame boards 11 and base plate 12, and the medial surface of four lateral frame boards 11 and base plate 12 is equipped with adiabator layer 10; Uniform arrangement along its length is provided with copper pipe 5 in the heat collector cases, one end of copper pipe 5 is being communicated with water inlet pipe 6, the other end is being communicated with outlet pipe 7, the water inlet of water inlet pipe 6 extends heat collector cases length direction one sidewall outside, and the delivery port of outlet pipe 7 extends another sidewall outside of heat collector cases length direction; The heat collector cases top is provided with glass cover-plate 1, it is characterized in that: be provided with absorber plate 2 in the heat collector cases between described glass cover-plate 1 and the copper pipe 5, copper pipe 5 contacts with absorber plate 2, form air blanketing 14 between glass cover-plate 1 and the absorber plate 2, be laid with photovoltaic cell 3 on absorber plate 2 end faces adjacent with glass cover-plate 1, be laid with small flow resistance piece 4 on absorber plate 2 bottom surfaces; Heat collector cases width one sidewall of below, absorber plate 2 bottom surfaces is provided with air inlet 8, and corresponding another sidewall of heat collector cases width is provided with air outlet 9, forms the air flow channel 13 that connects in the heat collector cases of below, absorber plate 2 bottom surfaces.
The height of described small flow resistance piece 4 is no more than 1/10 of air flow channel 13 height.
Described copper pipe 5 and absorber plate 2 are welded to connect.
Small flow resistance piece 4 is little cubic block or angle steel shape piece.
Compared with prior art, advantage of the present utility model is:
(1) plate type solar photo voltaic hot water hot-air compound heat collector of the present utility model can be realized the frequency division utilization of solar energy, produces electric energy and heat energy simultaneously, improves the utilization ratio of solar energy greatly;
(2) plate type solar photo voltaic hot water hot-air compound heat collector of the present utility model can be selected hot water or hot-air pattern according to season and environmental requirement, realizes that annual photo-thermal takes full advantage of, and reduces the photovoltaic panel temperature simultaneously, improves photoelectric transformation efficiency;
(3) the absorber plate of the present utility model back side is bonded with small flow resistance piece, compare metal fin, improving between absorber plate and air in the coefficient of heat transfer, can significantly reduce metal consumption, less to the runner drag effects, under the hot water mode of operation, can not reduce the hot water collecting efficiency because of the heat radiation of fin yet.
Description of drawings
Fig. 1 removes the structural representation of glass cover-plate for the utility model.
Fig. 2 is the positive cross section of heat collector and partial sectional view.
Fig. 3 is cross section, the heat collector back side and partial sectional view.
Sequence number among the last figure: glass cover-plate 1, absorber plate 2, photovoltaic cell 3, small flow resistance piece 4, copper pipe 5, water inlet pipe 6, outlet pipe 7, air inlet 8, air outlet 9, adiabator layer 10, lateral frame board 11, base plate 12, air flow channel 13, air blanketing 14.
The specific embodiment
Below in conjunction with accompanying drawing, do to describe further by the utility model of embodiment.
Referring to Fig. 1, plate type solar photo voltaic hot water hot-air compound heat collector comprises the heat collector cases of being made up of four lateral frame boards 11 and base plate 12, and the medial surface of four lateral frame boards 11 and base plate 12 is equipped with adiabator layer 10.Uniform arrangement along its length is provided with copper pipe 5 in the heat collector cases, one end of copper pipe 5 is being communicated with water inlet pipe 6, the other end is being communicated with outlet pipe 7, the water inlet of water inlet pipe 6 extends heat collector cases length direction one sidewall outside, and the delivery port of outlet pipe 7 extends another sidewall outside of heat collector cases length direction; The heat collector cases top is equipped with glass cover-plate 1.Referring to Fig. 2, in the heat collector cases between glass cover-plate 1 and the copper pipe 5 absorber plate 2 is installed, and copper pipe 5 and absorber plate 2 are welded to connect; Form air blanketing 14 between glass cover-plate 1 and the absorber plate 2, air blanketing 14 is seal cavity, and air wherein is in stagnation state, reduces absorber plate 2 and 1 convection heat losses of glass cover-plate, guarantees light thermal property; The uniform photovoltaic cell 3 that is equipped with on absorber plate 2 end faces adjacent with glass cover-plate 1 uniformly on absorber plate 2 bottom surfaces is equipped with small flow resistance piece 4, sees Fig. 3, and small flow resistance piece is little cubic block or angle steel shape piece, highly is no more than 1/10 of air flow channel 13 height.Heat collector cases width one sidewall of below, absorber plate 2 bottom surfaces is provided with air inlet 8, and corresponding another sidewall of heat collector cases width is provided with air outlet 9, forms the air flow channel 13 that connects in the heat collector cases of below, absorber plate 2 bottom surfaces.
Different with existing finned air collector, small flow resistance piece 4 is not for increasing heat exchange area, but destruction is near the laminar boundary layer of absorber plate wall, thereby reach the purpose of the convection transfer rate of 2 of raising air and absorber plates, can improve air exit temp and the heat collector thermal efficiency equally.Therefore small choker bar 4 is not to adopt metal material, adopts other nonmetallic materials equally can reach the purpose of breakable layer laminar boundary layer.
After the utility model heat collector received solar irradiation, wherein 10%～15% energy was absorbed by the photovoltaic cell layer and is converted to electric energy, and remaining energy of 85%～90% is absorbed by absorber plate 2 with the form of heat.When the absorber plate heat was taken away by water or air, the operating temperature of photovoltaic cell 3 also was minimized, thereby reached the purpose that improves photoelectric transformation efficiency.
When the utility model heat collector works in hot water thermal-arrest pattern, heat collector air inlet 8 and air outlet 9 are by the plug sealing that has heat-insulation layer, water flows into copper pipe 5 by water inlet pipe 6, behind absorption absorber plate 2 heats, flows into next stage heat collector or heat storage water tanks through outlet pipe 7.
When the utility model heat collector works in hot-air thermal-arrest pattern, the water inlet of sealing water inlet pipe 6 and the delivery port of outlet pipe 7, air inlet 8 links to each other with outside airduct with air outlet 9, after air enters heat collector by air inlet 8, after absorber plate 2 heat exchange with small flow resistance piece 4, send through air outlet 9.
Claims (4)
1. plate type solar photo voltaic hot water hot-air compound heat collector comprises the heat collector cases of being made up of four lateral frame boards (11) and base plate (12), and the medial surface of four lateral frame boards (11) and base plate (12) is equipped with adiabator layer (10); Uniform arrangement along its length is provided with copper pipe (5) in the heat collector cases, one end of copper pipe (5) is being communicated with water inlet pipe (6), the other end is being communicated with outlet pipe (7), the water inlet of water inlet pipe (6) extends heat collector cases length direction one sidewall outside, and the delivery port of outlet pipe (7) extends another sidewall outside of heat collector cases length direction; The heat collector cases top is provided with glass cover-plate (1), it is characterized in that: be provided with absorber plate (2) in the heat collector cases between described glass cover-plate (1) and the copper pipe (5), copper pipe (5) contacts with absorber plate (2), form air blanketing (14) between glass cover-plate (1) and the absorber plate (2), be laid with photovoltaic cell (3) on absorber plate (2) end face adjacent with glass cover-plate (1), absorber plate (2) is laid with small flow resistance piece (4) on the bottom surface; Heat collector cases width one sidewall of below, absorber plate (2) bottom surface is provided with air inlet (8), corresponding another sidewall of heat collector cases width is provided with air outlet (9), forms the air flow channel (13) that connects in the heat collector cases of below, absorber plate (2) bottom surface.
2. plate type solar photo voltaic hot water hot-air compound heat collector according to claim 1 is characterized in that: the height of described small flow resistance piece (4) is no more than 1/10 of air flow channel (13) height.
3. according to claim 1 and 2 described plate type solar photo voltaic hot water hot-air compound heat collectors, it is characterized in that: described copper pipe (5) and absorber plate (2) are welded to connect.
4. plate type solar photo voltaic hot water hot-air compound heat collector according to claim 1, it is characterized in that: small flow resistance piece (4) is little cubic block or angle steel shape piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320030392 CN203068818U (en) | 2013-01-22 | 2013-01-22 | Flat-plate solar PV hot water and hot air composite collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320030392 CN203068818U (en) | 2013-01-22 | 2013-01-22 | Flat-plate solar PV hot water and hot air composite collector |
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| Publication Number | Publication Date |
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| CN203068818U true CN203068818U (en) | 2013-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320030392 Expired - Fee Related CN203068818U (en) | 2013-01-22 | 2013-01-22 | Flat-plate solar PV hot water and hot air composite collector |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103062913A (en) * | 2013-01-22 | 2013-04-24 | 中国科学技术大学 | Flat-panel solar photovoltaic water-heating air-heating compound heat collector |
| CN104764215A (en) * | 2015-04-08 | 2015-07-08 | 朱明� | Solar power-generating and warming drying water heater |
| CN108400773A (en) * | 2018-05-22 | 2018-08-14 | 江苏阳光四季新能源科技股份有限公司 | Monoblock type panel solar photo-thermal system |
| CN110149093A (en) * | 2019-06-19 | 2019-08-20 | 李阳 | High-efficiency solar electric heating synthetical collection application apparatus |
-
2013
- 2013-01-22 CN CN 201320030392 patent/CN203068818U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103062913A (en) * | 2013-01-22 | 2013-04-24 | 中国科学技术大学 | Flat-panel solar photovoltaic water-heating air-heating compound heat collector |
| CN104764215A (en) * | 2015-04-08 | 2015-07-08 | 朱明� | Solar power-generating and warming drying water heater |
| CN104764215B (en) * | 2015-04-08 | 2017-01-18 | 朱明� | Solar power-generating and warming drying water heater |
| CN108400773A (en) * | 2018-05-22 | 2018-08-14 | 江苏阳光四季新能源科技股份有限公司 | Monoblock type panel solar photo-thermal system |
| CN110149093A (en) * | 2019-06-19 | 2019-08-20 | 李阳 | High-efficiency solar electric heating synthetical collection application apparatus |
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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: 20130717 Termination date: 20160122 |
|
| EXPY | Termination of patent right or utility model |