CN101777597A - Composite paraboloidal photovoltaic hot-water heat collector - Google Patents
Composite paraboloidal photovoltaic hot-water heat collector Download PDFInfo
- Publication number
- CN101777597A CN101777597A CN201010116906A CN201010116906A CN101777597A CN 101777597 A CN101777597 A CN 101777597A CN 201010116906 A CN201010116906 A CN 201010116906A CN 201010116906 A CN201010116906 A CN 201010116906A CN 101777597 A CN101777597 A CN 101777597A
- Authority
- CN
- China
- Prior art keywords
- photovoltaic
- layers
- sides
- curved
- hot water
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 239000002131 composite material Substances 0.000 title claims description 21
- 239000006096 absorbing agent Substances 0.000 claims abstract description 26
- 150000001875 compounds Chemical class 0.000 claims abstract description 7
- 239000012774 insulation material Substances 0.000 claims abstract 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 9
- 239000011521 glass Substances 0.000 claims description 7
- 229920002313 fluoropolymer Polymers 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 238000002834 transmittance Methods 0.000 claims 2
- 230000005611 electricity Effects 0.000 abstract description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 229920002620 polyvinyl fluoride Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- BFMKFCLXZSUVPI-UHFFFAOYSA-N ethyl but-3-enoate Chemical compound CCOC(=O)CC=C BFMKFCLXZSUVPI-UHFFFAOYSA-N 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- -1 polyethylene vinyl acetate Polymers 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- 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
- Y02E10/50—Photovoltaic [PV] energy
-
- 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
- Y02E10/60—Thermal-PV hybrids
Landscapes
- Photovoltaic Devices (AREA)
Abstract
本发明涉及复合抛物面型光伏热水集热器。该集热器包括曲面反射镜和光伏吸收体；曲面反射镜横截面为W型，其两侧的曲面为抛物面，其底部内弯处的两侧曲面为圆渐开线曲面，抛物面与圆渐开线曲面连接处光滑过渡；光伏吸收体的U型管位于两层电池板之间，U型管与两层电池板之间填充设有热绝缘材料；两层电池板的外侧面分别均布设有三路光伏电池，两层光伏电池之间为并联；光伏吸收体水平位于曲面反射镜中部两侧圆渐开线曲面连接处。本发明能同时产生电力和热水，提高了光伏电池的效率及低倍聚焦中太阳能的利用率，不需要跟踪，使用方便；充分利用了光线的反射，提高了低倍聚光下太阳能的利用率。
The invention relates to a compound paraboloid photovoltaic hot water collector. The heat collector includes a curved reflector and a photovoltaic absorber; the cross section of the curved reflector is W-shaped, the curved surfaces on both sides are paraboloids, and the curved surfaces on both sides of the inward bend at the bottom are circular involute curved surfaces. The joint of the open-line curved surface is smoothly transitioned; the U-shaped tube of the photovoltaic absorber is located between the two layers of battery panels, and the space between the U-shaped tube and the two layers of battery panels is filled with thermal insulation materials; the outer surfaces of the two layers of battery panels are respectively laid There are three photovoltaic cells, and the two layers of photovoltaic cells are connected in parallel; the photovoltaic absorber is horizontally located at the junction of the circular involute curved surfaces on both sides of the middle of the curved reflector. The invention can generate electricity and hot water at the same time, improves the efficiency of photovoltaic cells and the utilization rate of solar energy in low-power focusing, does not need to be tracked, and is convenient to use; fully utilizes the reflection of light, and improves the utilization of solar energy in low-power focusing Rate.
Description
Technical field
The present invention relates to field of solar energy utilization, exactly is the photovoltaic hot-water heat collector under the low zoom and focus of compound deep trouth parabolic shape.
Background technology
On the one hand, composite parabolic type concentrator CPC (Welford and Winston, 1978) is the non-imaging concentrator of a kind of oligomeric light ratio according to the rim ray principle design, the incident ray of accepting in the angular region can be collected on the absorber by desirable optically focused ratio.Winston (Winston) etc. has pointed out the potentiality of CPC as solar collector.And the composite parabolic type concentrator (CPC) of oligomeric light ratio (less than 3) has great practicality, and they do not need the sun-tracing track can accept than the incident light in the polarizers of big angle scope and assemble.Rui Boer (Rabl) has provided the optics of composite parabolic type concentrator (CPC) and the analytical method of thermal property, to in several composite parabolic type concentrators (CPC) assessments, antivacuum fixedly composite parabolic type concentrator (CPC) the heat collector economic performance of pointing out to have flat board or column type absorber is good.Because composite parabolic type concentrator (CPC) solar energy focalizer has the advantage of many uniquenesses, be widely used on the ground hot water, heating, with fields such as solar energy photocatalytic waste water treatment, solar energy power generating.
On the other hand, with photovoltaic and photo-thermal comprehensive utilization, be the importance that solar energy utilizes.Photovoltaic efficiency can reach 15%, and composite parabolic type concentrator (CPC) solar thermal utilization can reach about 55%, and therefore comprehensive utilization has become a trend.But current composite parabolic type concentrator (CPC) photovoltaic and photothermal utilization about low-concentration is also relatively more rare.Wherein general speculum adopts parabolic type, one deck is a photovoltaic cell above the absorber, weld a water pipe or coil pipe below, the structure that proposes of the inferior Bu Luogelun of Mary (Maria Brogren) for example, the mode of this photovoltaic and photothermal comprehensive utilization can since the increase of optically focused ratio or summer intensity of illumination increase still can cause the photovoltaic cell heating to a certain extent, thereby cause the decline in generating efficiency and useful life; Though water pipe or coil pipe have played certain cooling effect simultaneously, but what adopt is straight tube, because the continuous rising of water temperature, there is the tangible temperature difference in the water temperature of heat collector import and outlet, thereby can't guarantee that photovoltaic cell is worked on the absorber under same close temperature, cause the decline of whole photovoltaic efficiency.
Summary of the invention
Can't guarantee that for what solve that the inferior Bu Luogelun structure of Mary exists photovoltaic cell is worked on the absorber under same close temperature, cause the problem of whole photovoltaic decrease in efficiency, the invention provides a kind of new construction composite paraboloidal photovoltaic hot-water heat collector.
The technology solution that realizes above-mentioned purpose is such: introduced the mode that speculum adopts parabolic type and circle involute type to combine among the present invention, absorber is the two-layer photovoltaic cells in top and bottom, adopt the cooling of U type pipe simultaneously, under equal optically focused ratio, significantly reduced the working temperature of battery like this, the useful life of further having improved photovoltaic efficiency and battery.
The concrete structure design is as follows:
Composite paraboloidal photovoltaic hot-water heat collector comprises curved reflector and photovoltaic absorbers;
Described curved reflector cross section is the W type, and the curved surface of its both sides is parabolic, and two N-Side surfs of crook are the circle involute curved surface in its bottom, parabolic and circle involute curved surface junction smooth transition;
Described photovoltaic absorbers comprises U type pipe, and U type pipe is filled between U type pipe and the two-layer cell panel and is provided with heat insulator between two-layer cell panel; The lateral surface of two-layer cell panel is laid with three road photovoltaic cells respectively, is in parallel between the two-layer photovoltaic cell;
Described photovoltaic absorbers level is positioned at circle involute curved surface junction, both sides, curved reflector middle part.
Described two-layer cell panel is thin aluminum sheet.
Described three road photovoltaic cell positions are located at interval at middle part, the both sides of U type pipe respectively.
Described photovoltaic cell two sides are respectively equipped with transparent compound fluoroplastics film, and the transparent compound fluoroplastics film in its outside is provided with glass cover-plate.
Described glass cover-plate material is a transmitance greater than 0.9 high permeability glass.
The present invention's useful technique effect compared with prior art embodies in the following areas:
(1) mode that adopts a kind of curved reflector that has parabola and the existing combination of circle involute to combine with photovoltaic and photothermal, low zoom and focus does not need to follow the tracks of, and has saved a large amount of tracking costs, utilizes solar power generation simultaneously and hot water is provided.
(2) absorber partly comprises the two sides cell panel in the compound parabolic collector of the present invention, reflection path according to light path, can make full use of luminous energy, further improve the photovoltaic/thermal comprehensive utilization ratio, wherein the light part of polished object line style mirror reflects is absorbed by the upper strata photovoltaic cell, a part of process circle involute mirror reflects is absorbed by lower floor's photovoltaic cell, and the unit cells caloric value reduces than the single face battery like this, provides possibility for further improving the optically focused ratio.
(3) two-layer cell panel adopts mode in parallel respectively, has avoided because the power conversion efficiency (pce) that light-intensity difference causes descends, thereby has further improved generating efficiency.
(4) laser welding U type copper pipe and thin aluminum sheet between the two-layer photovoltaic cell, import of U type copper pipe and outlet are in a side, when the reduction battery temperature is produced hot water, make the temperature gradient difference of absorber much smaller than straight tube, guaranteed that the photovoltaic cell working temperature is close, helped every photovoltaic cell and keep close stabilization efficiency.
(5) U type copper pipe is imported and exported in a direction, and pipeline is easy to connect, has reduced the comb circuit, has saved material.
Description of drawings
Fig. 1 is a structural representation of the present invention,
Fig. 2 is a photovoltaic absorbers structural representation of the present invention,
Fig. 3 is a fundamental diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is done to describe further by embodiment.
Embodiment:
Referring to Fig. 1, composite paraboloidal photovoltaic hot-water heat collector comprises curved reflector and photovoltaic absorbers 2.
The curved reflector cross section is the W type, and is positioned at framework 1; The curved surface of its both sides is a parabola 3, and two N-Side surfs of crook are circle involute curved surface 4 in its bottom, parabolic and circle involute curved surface junction smooth transition.
Referring to Fig. 2, photovoltaic absorbers 2 comprises U type pipe 7, and U type pipe 7 is between two-layer cell panel 8, and cell panel 8 is a thin aluminum sheet.Fill between U type pipe 7 and the two-layer cell panel 8 and be provided with heat insulator 5; The lateral surface of two-layer cell panel 8 is uniform respectively to be equipped with middle part, the both sides that three road photovoltaic cells, 6, three road photovoltaic cells 6 are located at interval at U type pipe 7 respectively, and two-layer photovoltaic cell 6 is in parallel.Photovoltaic absorbers 2 levels are positioned at circle involute curved surface junction, both sides, curved reflector middle part.
The manufacture craft of composite paraboloidal photovoltaic hot-water heat collector may further comprise the steps:
(1), makes photovoltaic module, the photovoltaic cell both sides evenly are coated with full polyethylene vinyl acetate ester EVA simultaneously, (EthylVinyl Acetate), place again between the two-layer transparent compound fluoroplastics film TPT (Tedlar Polyester Tedlar), the upper strata is a high permeability glass, and placing vacuum laminator laminated into type the integral body, no bubble can continue in the middle of checking;
(2), make absorber, U type copper pipe both sides are connected two thin aluminum sheets by Laser Welding respectively, selective coating is coated on the thin aluminum sheet surface, evenly is coated with full silica gel on the thin aluminum sheet surface then, above photovoltaic module is sticked on.
(3), after 24 hours, check whether photovoltaic module and thin aluminum sheet surface paste intactly, and whether photovoltaic module leaks electricity; Then between two thin aluminum sheets, i.e. U type tube wall side filling heat insulating wall.
(4), photovoltaic absorbers is horizontally fixed on circle involute curved surface junction, both sides, curved reflector middle part.
As shown in Figure 3, sunlight is through the upper surface of a part of direct irradiation in parabolic 3 curved mirrors reflection back at absorber, and the reflection of part process circle involute curved surface 4 curved mirrors impinges upon the lower surface of absorber.The absorber upper and lower surface is posted photovoltaic cell respectively, and the part sunlight is absorbed by photovoltaic cell, produces electric energy; Major part changes into heat energy and is taken away by the water in the U type copper pipe, thereby produces hot water.On the one hand, improved solar photoelectric/photothermal overall efficiency on the unit receiving area; On the other hand,, reduce photovoltaic battery temperature, improve its photoelectric efficiency by the fluid cooling.
The mode that curved reflector of the present invention adopts parabolic curve and circle involute to combine, sunlight major part through the parabolic curve emission is absorbed by the upper strata battery, sunlight through the reflection of circle involute curve is absorbed by lower floor's photovoltaic cell, it can produce electric power and hot water simultaneously, better photovoltaic cell is cooled off, improved the efficient of photovoltaic cell.According to the peculiar structure of composite parabolic, design the double-deck photovoltaic cell structure of carrying U type pipe secretly simultaneously, made full use of the reflection of light, improved solar energy utilization rate under the low-concentration.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101169061A CN101777597B (en) | 2010-01-29 | 2010-01-29 | Composite paraboloidal photovoltaic hot-water heat collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101169061A CN101777597B (en) | 2010-01-29 | 2010-01-29 | Composite paraboloidal photovoltaic hot-water heat collector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101777597A true CN101777597A (en) | 2010-07-14 |
| CN101777597B CN101777597B (en) | 2011-06-15 |
Family
ID=42513988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101169061A Expired - Fee Related CN101777597B (en) | 2010-01-29 | 2010-01-29 | Composite paraboloidal photovoltaic hot-water heat collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101777597B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102779885A (en) * | 2012-07-02 | 2012-11-14 | 西安交通大学 | Solar energy concentrating frequency dividing photovoltaic photo-thermal cogeneration device |
| CN104570307A (en) * | 2014-12-29 | 2015-04-29 | 武汉开锐智能设备有限公司 | Light-gathering structure of infrared heater |
| CN106651627A (en) * | 2016-09-12 | 2017-05-10 | 西安交通大学 | Method for evaluating thermoelectric performance of low-power concentrating photovoltaic-thermal system |
| CN106979546A (en) * | 2016-01-19 | 2017-07-25 | 华北电力大学 | A kind of heat pipe-type concentrating photovoltaic photo-thermal heating system |
| CN107202354A (en) * | 2017-07-14 | 2017-09-26 | 西北农林科技大学 | A kind of high-efficiency solar anaerobic reactor heating plant |
| ES2746036A1 (en) * | 2018-09-04 | 2020-03-04 | Ursu Silvia Mihaela Toader | PHOTOVOLTAIC THERMAL ALTERNATIVE HYBRID SOLAR CAPTION SYSTEM (Machine-translation by Google Translate, not legally binding) |
| CN112366505A (en) * | 2020-10-30 | 2021-02-12 | 中国科学院上海光学精密机械研究所 | Xenon lamp array type involute parabolic composite reflection cavity |
-
2010
- 2010-01-29 CN CN2010101169061A patent/CN101777597B/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102779885A (en) * | 2012-07-02 | 2012-11-14 | 西安交通大学 | Solar energy concentrating frequency dividing photovoltaic photo-thermal cogeneration device |
| CN104570307A (en) * | 2014-12-29 | 2015-04-29 | 武汉开锐智能设备有限公司 | Light-gathering structure of infrared heater |
| CN106979546A (en) * | 2016-01-19 | 2017-07-25 | 华北电力大学 | A kind of heat pipe-type concentrating photovoltaic photo-thermal heating system |
| CN106651627A (en) * | 2016-09-12 | 2017-05-10 | 西安交通大学 | Method for evaluating thermoelectric performance of low-power concentrating photovoltaic-thermal system |
| CN106651627B (en) * | 2016-09-12 | 2020-05-19 | 西安交通大学 | Thermoelectric performance evaluation method of low-concentration photovoltaic photo-thermal system |
| CN107202354A (en) * | 2017-07-14 | 2017-09-26 | 西北农林科技大学 | A kind of high-efficiency solar anaerobic reactor heating plant |
| ES2746036A1 (en) * | 2018-09-04 | 2020-03-04 | Ursu Silvia Mihaela Toader | PHOTOVOLTAIC THERMAL ALTERNATIVE HYBRID SOLAR CAPTION SYSTEM (Machine-translation by Google Translate, not legally binding) |
| CN112366505A (en) * | 2020-10-30 | 2021-02-12 | 中国科学院上海光学精密机械研究所 | Xenon lamp array type involute parabolic composite reflection cavity |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101777597B (en) | 2011-06-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102589159B (en) | Photovoltaic and photo-thermal composite parabolic condenser with vacuum tube | |
| CN101777597A (en) | Composite paraboloidal photovoltaic hot-water heat collector | |
| CN101557178A (en) | Static concentrated photovoltaic roof cogeneration system | |
| CN102867878B (en) | A kind of cogeneration photovoltaic and photothermal assembly, co-generation unit and photovoltaic electric station | |
| CN102957345B (en) | High-concentration photovoltaic power generation heat supply system | |
| CN101938226B (en) | Double-effect solar accumulative black tube | |
| CN2847686Y (en) | Light focusing heat collecting type solar energy temperature differential generator | |
| CN201274455Y (en) | Light-gathering solar thermal electric combined supply device | |
| CN101789460A (en) | Photovolatic concentrating receiver with secondary baffle board | |
| CN101924497A (en) | Integrated solar heat collection power generation assembly | |
| CN201667342U (en) | Solar energy light-gathering photovoltaic power generation cell panel | |
| CN209541198U (en) | A kind of high temperature type solar energy optical-thermal photovoltaic devices | |
| CN103362577B (en) | Powering system combining photovoltaic photo-thermal heat collector and fuel gas-steam combined circulation unit | |
| CN207320145U (en) | A kind of concentrating photovoltaic photo-thermal component and array for being disposed with double side photovoltaic battery piece | |
| CN111953290B (en) | Thermoelectric combination multifunctional glass device | |
| CN215252114U (en) | Device and asphalt tank of supplementary pitch heating | |
| CN201623170U (en) | Composite paraboloid photovoltaic water-heating thermal collector | |
| CN104993785A (en) | Heat-and-power-co-generated linear focusing solar energy utilization device | |
| CN201474197U (en) | Corrugated tile condensing solar energy hydroelectric power integrated building module | |
| CN205407710U (en) | Solar photovoltaic light and heat integration module that absorber plate is direct and glass apron is compound | |
| CN105577105B (en) | A kind of asymmetric concentrating photovoltaic photo-thermal system being fixedly mounted | |
| CN201804879U (en) | Light-concentration solar energy battery component with heat exchanger | |
| CN101776325A (en) | Compound parabolic condenser combining inside condensation and outside condensation | |
| CN201731657U (en) | Light-concentrating heat collecting system of tracking vertical heat storage-collection combining solar water heater | |
| CN204498063U (en) | A kind of device of solar generating |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20110615 Termination date: 20150129 |
|
| EXPY | Termination of patent right or utility model |