CN101714838B - Actively cooling solar energy light gather generating set - Google Patents
Actively cooling solar energy light gather generating set Download PDFInfo
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- CN101714838B CN101714838B CN2009102523633A CN200910252363A CN101714838B CN 101714838 B CN101714838 B CN 101714838B CN 2009102523633 A CN2009102523633 A CN 2009102523633A CN 200910252363 A CN200910252363 A CN 200910252363A CN 101714838 B CN101714838 B CN 101714838B
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention discloses an actively cooling solar energy light gather generating set comprising a plurality of solar energy light gather generating die sets and a sun chasing tracker mounting system provided with the solar energy light gather generating die sets, wherein each solar energy light gather generating die set comprises a plurality of solar energy light gather generating units which are arranged in the form of matrix; the solar energy light gather generating unit comprises a condensing lens and a concentrator cell arranged in the condensing zone of the condensing lens; a semiconductor refrigeration sheet is arranged below the concentrator cell; the cold surface of the semiconductor refrigeration sheet is tightly stuck to the concentrator cell; and the concentrator cells are connected in series to externally output electric energy. In the light gather generating set of the invention, the semiconductor refrigeration sheet is arranged below the concentrator cell, the heat of the concentrator cell is transferred to a hot surface by the heat transfer action of the semiconductor refrigeration sheet to strengthen the heat dissipation effect of the concentrator cell so as to improve the photo-electricity conversion efficiency of the solar cell.
Description
Technical field
The present invention relates to the solar energy concentration generating field, refer to a kind of solar condensing power generation device that can carry out active heat removal especially concentrator cell.
Background technology
As shown in Figure 1, in the existing solar condensing power generation device, concentrating generation device often comprises a collector lens, and collector lens generally adopts plane Fresnel Lenses 1, and sunlight is carried out the secondary condensation prism 2 of secondary condensation, concentrator cell 3.The optically focused of secondary condensation prism 2 projects on the concentrator cell 3, thereby makes concentrator cell 3 produce opto-electronic conversion, thereby generates electricity.But adopt secondary condensation prism 2 once more during optically focused; Concentrator cell 3 surfaces can produce high temperature; Temperature is generally 200 degree; Be unfavorable for that thereby concentrator cell 3 carries out photoelectricity and transforms and influence the efficient that photoelectricity transforms, the dispel the heat temperature of reduction concentrator cell 3 of one radiator 4 be set thereby therefore often be employed in concentrator cell 3 belows.What but such radiating mode adopted is passive radiating mode, often is difficult to reduce at short notice the surface temperature of concentrator cell, thereby influences the photoelectric conversion efficiency of concentrator cell.
It is the thermoelectric effect of utilizing semi-conducting material-be that Peltier effect is realized refrigeration that conductor refrigeration is also named thermoelectric (al) cooling: as shown in Figure 2; Two kinds of semi-conducting materials of opposed polarity (P type, N type); It is right to be connected into galvanic couple, and galvanic couple is to the transfer of energy just takes place through direct current the time; Electric current just absorbs heat when flowing to P type element by N type element, and this end face is a huyashi-chuuka (cold chinese-style noodles), just emits heat when electric current flows to N type element by P type element, and this end face is a hot side.Can add DC power supply at the cooling piece two ends like this, just can realize the heat of huyashi-chuuka (cold chinese-style noodles) constantly is transferred to hot side, thereby make huyashi-chuuka (cold chinese-style noodles) keep certain low temperature.
The urgent hope in this area can be designed a kind of more perfect active heat removal mode, thereby can make solar cell surface keep suitable temperature, thereby improves the efficient of opto-electronic conversion.
Summary of the invention
The solar condensing power generation device that the purpose of this invention is to provide a kind of active heat removal; This concentrating generation device is provided with the semiconductor cooling piece below concentrator cell; Heat transfer effect through semiconductor chilling plate with the heat delivered of concentrator cell to hot side, thereby the radiating effect that strengthens concentrator cell improves the electricity conversion of solar cell.
Technical scheme provided by the invention is following:
A kind of solar condensing power generation device of active heat removal; The solar tracking tracking mounting system that comprises a plurality of solar energy concentration generating modules and said solar energy concentration generating module is installed; Said solar energy concentration generating module comprises a plurality of solar energy concentration generatings unit that is arranged; Said solar energy concentration generating unit comprises a collector lens, and one is arranged on the concentrator cell in said collector lens optically focused zone; Said concentrator cell below is provided with the semiconductor cooling piece, and the huyashi-chuuka (cold chinese-style noodles) of said semiconductor chilling plate and said concentrator cell fit tightly, and outwards output electric energy of back is connected in series between said each concentrator cell.
Further; Collector lens described in the patent device is a topping curved surface condensing lens; Said topping curved surface condensing lens is cut top hollow curved surface Fresnel Lenses by a planar lens and and is formed; Said to cut top hollow curved surface Fresnel Lenses be the curved surface cone-shaped, and said planar lens is adhesively fixed on the said zone, top of cutting of cutting top hollow curved surface Fresnel Lenses and forms topping curved surface condensing lens.
Further, planar lens described in the patent device is meant the plane Fresnel Lenses.
Further, the unit of solar energy concentration generating described in the patent device also be provided with one be used for the emergent light of said topping curved surface condensing lens is carried out secondary condensation the secondary condensation prism.
Further; Solar tracking described in the patent device is followed the tracks of mounting system and is comprised that one is used to install the support installed surface of said solar energy concentration generating module; Said support installed surface is installed on the vertical columns; Said support installed surface is provided with a sun light intensity sensor; Said column is provided with adjusting mechanism and the controlling organization that is used to adjust said support installed surface, thereby said controlling organization is adjusted said support installed surface according to the said adjusting mechanism of the signal controlling of said sun light intensity sensor and rotated and guarantee that said support installed surface faces the sun all the time.
Further; Adjusting mechanism described in the patent device comprises a vertical adjusting mechanism and a horizontal adjusting mechanism; Said vertical adjusting mechanism comprises that one is arranged on the gear on the said support installed surface, and one is arranged on the motor on the said column, the spiral shaft of said motor and gears engaged; Said horizontal adjusting mechanism comprises that one is set in the dwang that can center on said column rotation on the said column, and one is installed in the motor of said dwang one end, and the other end of said dwang is connected on the said support installed surface.
Further, concentrator cell described in the patent device is an III-V family more piece solar cell.
Further, concentrator cell described in the patent device is a gallium arsenide solar cell.
Further, the heat-absorbent surface of the hot side of semiconductor chilling plate described in the patent device and a heat collector fits tightly.
The solar condensing power generation device working method of this patent mainly is that sunlight is converged to sunlight on the secondary condensation prism through topping curved surface condensing lens; Process secondary condensation prism is the sunlight homogenizing after converging; Shine directly on the gallium arsenide solar cell then; Solar cell generation photovoltaic effect produces direct current energy; Semiconductor refrigerating simultaneously, below solar cell, is provided with semiconductor chilling plate, owing to need guarantee the temperature gradient of semi-conducting material; Hot side must guarantee heat radiation like this, and being about to the heat that huyashi-chuuka (cold chinese-style noodles) is transmitted to hot side can constantly distribute, and could guarantee refrigeration; General adopt air-cooled mode to dispel the heat, the heat radiation for the hot side that guarantees semiconductor chilling plate is provided with a heat collector at hot side; Heat through heat collector is come the huyashi-chuuka (cold chinese-style noodles) conduction is taken away; So just can accelerate heat transferred, reduce the surface temperature of solar cell rapidly, thereby improve the photoelectric conversion efficiency of solar cell; The heat of through heat collector the huyashi-chuuka (cold chinese-style noodles) conduction of semiconductor chilling plate being come simultaneously fully utilizes, as is used for hot water etc.
The effect of this patent is:
(1) all the time; Salar light-gathering lens in the solar condensing power generation device mainly adopt the plane Fresnel Lenses to carry out optically focused, have shortcomings such as chromatic dispersion, total reflection, light concentrating times be restricted though industry has been awared the plane Fresnel Lenses, can't find improved way always; Though and the curved surface Fresnel Lenses has the good optical transmission effects; But its curve form has then proposed higher difficulty to manufacturing, adopts methods such as traditional mold, punching press, and manufacture difficulty is big; Cost is high, therefore is difficult to large-scale promotion.This patent combines plane Fresnel Lenses and curved surface Fresnel Lenses cleverly; The advantage that manufacturing is simple and convenient, cost is low of face Fresnel Lenses or convex lens of making even combines with the effective advantage of the optical transmission of curved surface Fresnel Lenses; The problem of having evaded curved surface Fresnel Lenses manufacture difficulty and cost cleverly, thus the collector lens that a kind of spotlight effect is better, cost is more excellent is provided for the Salar light-gathering lens.
Particularly; Cut top hollow curved surface condensing lens, avoided the demoulding difficult problem that top curve surface is brought in the curved surface Fresnel Lenses manufacturing process, form one then with cutting the identical plane Fresnel Lenses of top area size; The processing of this plane Fresnel Lenses is simple and convenient, and technology is also very ripe.At last the two is adhesively fixed together, has just formed the topping curved surface condensing lens of this patent.Certainly the plane Fresnel Lenses also can replace with convex lens or other planar lens.When top hollow curved surface Fresnel Lenses is cut in making, can adopt the one-time formed method of mold, also can be employed in the mode of cutting stickup lens blooming in the hollow curved surface cone of top and make.The solar condensing power generation device of this patent can significantly improve electricity conversion than the solar condensing power generation device of available technology adopting plane Fresnel Lenses, particularly can reduce the mounting system of the required precision high concentration solar system follows the tracks of to(for) solar tracking.
(2) this patent is with in the conventional art; The radiator that is arranged on the solar cell below replaces with semiconductor chilling plate, heat collector; Make the surperficial heat of solar cell can be transmitted to the hot side of semiconductor chilling plate rapidly through semiconductor chilling plate, through heat collector heat is fully utilized again, through the active heat removal of semiconductor chilling plate; Solar cell surface is remained within certain temperature range, thereby improved the efficient of solar cell photoelectric conversion.
Description of drawings
Fig. 1 is the work sketch map of the solar condensing power generation device of prior art;
Fig. 2 is the operation principle sketch map of semiconductor chilling plate;
Fig. 3 is the structural representation of semiconductor chilling plate;
Fig. 4 is the structural representation of topping curved surface condensing lens among the present invention;
Fig. 5 is first kind of structural representation of topping curved surface condensing lens among the present invention;
Fig. 6 is second kind of structural representation of topping curved surface condensing lens among the present invention;
Fig. 7 is the backsight structural representation of apparatus of the present invention;
Fig. 8 is the side-looking structural representation of apparatus of the present invention;
Fig. 9 is the structural representation of solar energy concentration generating module of the present invention;
Figure 10 is the structural representation of solar energy concentration generating of the present invention unit;
Figure 11 is a collector structure sketch map of the present invention;
The drawing reference numeral explanation:
1-plane Fresnel Lenses 2-secondary condensation prism 3-solar cell 40-fin
41-semiconductor chilling plate 42-hot side 43-P N-type semiconductor N 44-N N-type semiconductor N
Mounting system 51-vertical columns is followed the tracks of in 45-huyashi-chuuka (cold chinese-style noodles) 46-electric connection line 5-solar tracking
The vertical adjusting mechanism of 52-sun light intensity sensor 53-support installed surface 54-
55-horizontal adjusting mechanism 6-solar energy concentration generating unit 61-topping curved surface condensing lens
62-cuts top hollow curved surface Fresnel Lenses 63-and cuts regional 64-plane, top Fresnel Lenses
65-convex lens 7-solar energy concentration generating module 21-fixing base 31-fixing base
8-heat collector 81-heat-sink shell 82-thermal insulation layer 83-water 84-water inlet
The 85-delivery port
Embodiment
Further specify technical scheme of the present invention below in conjunction with embodiment.
Like Fig. 7 is the backsight structural representation of apparatus of the present invention, and Fig. 8 is the side-looking structural representation of apparatus of the present invention; A kind of solar condensing power generation device of active heat removal; The solar tracking tracking mounting system 5 that comprises a plurality of solar energy concentration generating modules 7 and solar energy concentration generating module 7 is installed; Solar energy concentration generating module 7 comprises a plurality of solar energy concentration generatings unit 6 (referring to Fig. 9) that is arranged, like the structural representation of Figure 10 for solar energy concentration generating of the present invention unit; Be illustrated in figure 3 as the structural representation of semiconductor chilling plate; Solar energy concentration generating unit 6 comprises that it is solar cell 3 that a topping curved surface condensing lens 61, is arranged on the regional concentrator cell of topping curved surface condensing lens 61 optically focused; Collector lens 61 belows be provided with one be used for the emergent light of topping curved surface condensing lens 61 is carried out secondary condensation secondary condensation prism 2, solar cell 3 belows are provided with semiconductor cooling piece 41.The concrete structure of semiconductor chilling plate 41 is served as reasons, and how the group semi-conducting materials are formed refrigerators; Wherein P type semiconductor 43 is serially connected with N type semiconductor 44 successively; The two ends of semi-conducting material are respectively equipped with hot side 42 and huyashi-chuuka (cold chinese-style noodles) 45; Being provided with two electric connection lines 46 on the huyashi-chuuka (cold chinese-style noodles) 45 directly is connected with DC power supply; Semiconductor chilling plate 41 can directly adopt commercially available various finished products, such as the semiconductor chilling plate of the TEC1-TES1 model of the semiconductor chilling plate of the various models of Anyang, Henan Province sunlight science and education limited energy company production or the production of Changshan County ten thousand paddy electronics technology Co., Ltds.During concrete the use, the huyashi-chuuka (cold chinese-style noodles) 45 and the solar cell 3 of semiconductor chilling plate 41 fitted tightly, the hot side 42 of semiconductor chilling plate 41 and the heat-sink shell 81 of a heat collector 8 fit tightly; Outwards export electric energy after being connected in series between each concentrator cell, electric energy can supply from the net and the use of being incorporated into the power networks.Concentrator cell is an III-V family more piece solar cell 3, as: InGaP, tellurium chromium, GaAs etc., preferred gallium arsenide solar cell.Secondary condensation prism 2 is fixed in the solar energy concentration generating unit 6 through a fixing base 21, and same, solar cell 3 is fixed on another fixing base 31.
Shown in figure 11, heat collector 8 is provided with a heat-sink shell 81, and thermal insulation layer 82, heat-sink shell 81 are close together with the low temperature face of semiconductor chilling plate 41; Thermal insulation layer 82 surrounds a confined space with heat collector 8, is provided with the heat transfer medium that circulates in the confined space, like water 83 etc.; Heat collector 8 is provided with 84, one delivery ports 85 of a water inlet, and heat-sink shell 81 is transmitted to the heat of the hot side of semiconductor chilling plate 41 in the heat transfer medium like this; Through constantly circulating of heat transfer medium; Thereby the heat of solar cell 3 is constantly taken out of, and the heat that heat transfer medium is taken out of can make full use of, as as hot water service etc.
Like Fig. 4～shown in Figure 6; Topping curved surface condensing lens 61 in this patent is cut top hollow curved surface Fresnel Lenses 62 by a planar lens and and is formed; Cut top hollow curved surface Fresnel Lenses 62 and be the curved surface cone-shaped, planar lens is adhesively fixed on the zone, top 63 of cutting of cutting top hollow curved surface Fresnel Lenses 62 and forms topping curved surface condensing lens 61.
In this patent: planar lens is meant: the beam projecting face or the plane of incidence are the lens on plane.
As an embodiment of this patent, planar lens is a plane Fresnel Lenses 64.As another embodiment of this patent, planar lens is convex lens 65.In order to guarantee the transmission effects of whole lens, the area of planar lens is less than 35% of topping curved surface condensing lens 61 effective light-receiving areas.
In this patent, the manufacture method of topping curved surface condensing lens 61, make according to following steps:
At first moldings formed therefrom forms one and cuts top hollow curved surface cone, and cutting the zone, top is a border circular areas;
In cutting top hollow curved surface cone, paste lens blooming formation then and cut top hollow curved surface Fresnel Lenses 62;
Once more moldings formed therefrom form one with the plane Fresnel Lenses 64 of cutting the regional 63 identical sizes in top;
At last the plane Fresnel Lenses 64 top zone 63 of cutting of cutting top hollow curved surface Fresnel Lenses 62 that is adhesively fixed is formed topping curved surface condensing lens 61.
Paste lens blooming be meant with lens blooming according to the curved surface Fresnel Lenses each " tooth " and the different correspondences of refractive index, refraction angle paste and cut in the hollow curved surface cone of top; The lens blooming that lens blooming can select Minnesota Mining and Manufacturing Company to produce, the mode through this stickup can produce the effect the same with punch forming.
Like Fig. 7, shown in Figure 8; Solar tracking is followed the tracks of mounting system 5 and is comprised that one is used to install the support installed surface 53 of solar energy concentration generating module 7; Support installed surface 53 is installed on the vertical columns 51, and support installed surface 53 is provided with a sun light intensity sensor 52, and column 51 is provided with adjusting mechanism and the controlling organization that is used to adjust support installed surface 53; Adjusting mechanism is meant a vertical adjusting mechanism 54 and a horizontal adjusting mechanism 55; Vertical adjusting mechanism 54 comprises that one is arranged on the gear on the support installed surface 53, and one is arranged on the motor on the column 51, the spiral shaft of motor and gears engaged; Horizontal adjusting mechanism 55 comprises that one is set in the dwang that can center on column 51 rotations on the column 51, and one is installed in the motor of dwang one end, and the other end of dwang is connected on the support installed surface 53.Thereby controlling organization guarantees that according to the signal level control adjusting mechanism 55 and 53 rotations of vertical adjusting mechanism 54 adjustment support installed surfaces of sun light intensity sensor 52 support installed surface 53 faces the sun all the time.
During concrete the installation, at first on the ground with column 51 vertical fixing; The elevation angle of vertical adjusting mechanism 54 adjustment support installed surfaces 53, the azimuth of horizontal adjusting mechanism 55 adjustment support installed surfaces 53; Sun light intensity sensor 52 detects sun angle in real time, and controlling organization makes the upper surface of sunlight vertical irradiation to solar energy concentration generating module 7 according to sun light intensity sensor 52 detected sun angle adjustment horizontal adjusting mechanism 55 and vertical adjusting mechanisms 54.
Those skilled in the art will recognize that; Above-mentioned embodiment is exemplary; Be in order better to make those skilled in the art can understand this patent; Can not be interpreted as it is the restriction that this patent is comprised scope, so long as according to spirit that this patent discloses done anyly be equal to change or modify, all fall into the scope that this patent comprises.
Claims (9)
1. the solar condensing power generation device of an active heat removal, mounting system is followed the tracks of in the solar tracking that comprises a plurality of solar energy concentration generating modules and said solar energy concentration generating module is installed, it is characterized in that,
Said solar energy concentration generating module comprises a plurality of solar energy concentration generatings unit that is arranged, and said solar energy concentration generating unit comprises a collector lens, and one is arranged on the concentrator cell in said collector lens optically focused zone; Said concentrator cell below is provided with the semiconductor cooling piece, and the huyashi-chuuka (cold chinese-style noodles) of said semiconductor chilling plate and said concentrator cell fit tightly, and outwards output electric energy of back is connected in series between said each concentrator cell.
2. according to the solar condensing power generation device of the said active heat removal of claim 1, it is characterized in that,
Said collector lens is a topping curved surface condensing lens; Said topping curved surface condensing lens is cut top hollow curved surface Fresnel Lenses by a planar lens and and is formed; Said to cut top hollow curved surface Fresnel Lenses be the curved surface cone-shaped, and said planar lens is adhesively fixed on the said zone, top of cutting of cutting top hollow curved surface Fresnel Lenses and forms topping curved surface condensing lens.
3. according to the solar condensing power generation device of the said active heat removal of claim 2, it is characterized in that,
Said planar lens is meant the plane Fresnel Lenses.
4. according to the solar condensing power generation device of the said active heat removal of claim 1, it is characterized in that,
Said solar energy concentration generating unit also be provided with one be used for the emergent light of said topping curved surface condensing lens is carried out secondary condensation the secondary condensation prism.
5. according to the solar condensing power generation device of the said active heat removal of claim 1, it is characterized in that,
Said solar tracking is followed the tracks of mounting system and is comprised that one is used to install the support installed surface of said solar energy concentration generating module; Said support installed surface is installed on the vertical columns; Said support installed surface is provided with a sun light intensity sensor; Said column is provided with adjusting mechanism and the controlling organization that is used to adjust said support installed surface, thereby said controlling organization is adjusted said support installed surface according to the said adjusting mechanism of the signal controlling of said sun light intensity sensor and rotated and guarantee that said support installed surface faces the sun all the time.
6. according to the solar condensing power generation device of the said active heat removal of claim 5, it is characterized in that,
Said adjusting mechanism comprises a vertical adjusting mechanism and a horizontal adjusting mechanism, and said vertical adjusting mechanism comprises that one is arranged on the gear on the said support installed surface, and one is arranged on the motor on the said column, the spiral shaft of said motor and gears engaged; Said horizontal adjusting mechanism comprises that one is set in the dwang that can center on said column rotation on the said column, and one is installed in the motor of said dwang one end, and the other end of said dwang is connected on the said support installed surface.
7. according to the solar condensing power generation device of the said active heat removal of claim 1, it is characterized in that,
Said concentrator cell is an III-V family more piece solar cell.
8. according to the solar condensing power generation device of the said active heat removal of claim 7, it is characterized in that,
Said concentrator cell is a gallium arsenide solar cell.
9. according to the solar condensing power generation device of the said active heat removal of claim 1, it is characterized in that,
The heat-absorbent surface of the hot side of said semiconductor chilling plate and a heat collector fits tightly.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009102523633A CN101714838B (en) | 2009-11-28 | 2009-11-28 | Actively cooling solar energy light gather generating set |
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| CN2009102523633A CN101714838B (en) | 2009-11-28 | 2009-11-28 | Actively cooling solar energy light gather generating set |
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| CN101714838A CN101714838A (en) | 2010-05-26 |
| CN101714838B true CN101714838B (en) | 2012-01-11 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102208475B (en) * | 2011-04-25 | 2012-12-05 | 湖南大学 | Solar photovoltaic thermoelectric heating module and photovoltaic thermoelectric hot water system |
| CN102545706B (en) * | 2012-01-10 | 2016-08-03 | 容云 | Solar energy hot mixing utilizes system |
| CN105280740A (en) * | 2015-03-12 | 2016-01-27 | 常州天合光能有限公司 | Photovoltaic module capable of active cooling |
| CN104993789A (en) * | 2015-07-17 | 2015-10-21 | 上海海事大学 | Photovoltaic water heating device based on thermoelectric cooling effect |
| CN109818561B (en) * | 2019-02-13 | 2021-01-15 | 广西鼎旭同辉农业投资有限公司 | Multifunctional photovoltaic system |
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| US4834805A (en) * | 1987-09-24 | 1989-05-30 | Wattsun, Inc. | Photovoltaic power modules and methods for making same |
| CN2163095Y (en) * | 1993-06-23 | 1994-04-27 | 贺孝敏 | Automotive solar colling device |
| CN1504702A (en) * | 2002-11-29 | 2004-06-16 | 铨 何 | Power generation and refrigeration system using solar energy-semiconductor thermoelectric effect |
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| US4834805A (en) * | 1987-09-24 | 1989-05-30 | Wattsun, Inc. | Photovoltaic power modules and methods for making same |
| CN2163095Y (en) * | 1993-06-23 | 1994-04-27 | 贺孝敏 | Automotive solar colling device |
| CN1504702A (en) * | 2002-11-29 | 2004-06-16 | 铨 何 | Power generation and refrigeration system using solar energy-semiconductor thermoelectric effect |
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