CN201315553Y - One-dimensional line-focusing concentrating photovoltaic generating set - Google Patents
One-dimensional line-focusing concentrating photovoltaic generating set Download PDFInfo
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- CN201315553Y CN201315553Y CNU2008201296578U CN200820129657U CN201315553Y CN 201315553 Y CN201315553 Y CN 201315553Y CN U2008201296578 U CNU2008201296578 U CN U2008201296578U CN 200820129657 U CN200820129657 U CN 200820129657U CN 201315553 Y CN201315553 Y CN 201315553Y
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- solar cell
- concentrating photovoltaic
- power generation
- photovoltaic power
- cell assembly
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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
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/52—PV systems with concentrators
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Abstract
The utility model relates to a one-dimensional line-focusing concentrating photovoltaic generating set, which solves the technical problems of the prior focusing concentrating photovoltaic generating set, such as low system tolerance characteristic, high fault rate of the tracking system, low reliability, high cost and poor anti-sandstorm capability. The generating set comprises a support, an elevation-adjusting mechanism, a shell, a light concentration system and a concentrator solar cell component, wherein the light concentration system is mounted on the top of the shell; the concentrator solar cell component is mounted on the bottom of the shell; the shell is arranged on the support through the elevation-adjusting mechanism; the light concentration system is a linear Fresnel concentrating prism array; and the concentrator solar cell component is mounted at the focusing position of the linear Fresnel concentrating prism array. The utility model at least has the following advantages: the output power of the solar cell per unit area is increased, the service life of the cell can be prolonged, the anti-wind property of the system is good, the heat-dissipating effect of the system is good, the refrigeration efficiency is high, the cost is greatly reduced compared with the cost of the two-dimensional tracking system, and mounting, debugging and maintenance are convenient.
Description
Technical field
The utility model relates to a kind of photovoltaic power generation apparatus, relates in particular to a kind of line focus concentrating photovoltaic power generation device.
Background technology
Solar photovoltaic technology directly is converted to electric energy with solar energy, thereby is to have the solar energy of application prospect to utilize one of mode most, will become the important component part of following basic energy resource.So photovoltaic industry is one of fastest-rising new high-tech industry in the world in recent years, but the subject matter that the photovoltaic generation industry exists at present is: the expensive and too high problem of cost of electricity-generating of solar cell material; Produce the required semi-conducting material shortage of solar cell, with semicon industry competition raw material such as microelectronics; Too high cost of electricity-generating has objectively restricted the development of photovoltaic generation industry, the main both at home and abroad at present government subsidy that relies on.Further reducing cost and raising the efficiency becomes the extensive key that develops of photovoltaic industry, and the key that reduces cost is to reduce the actual amount of expensive solar cell piece.
The concentrating photovoltaic power generation technology is by concentrator larger area sunlight to be focused in the small range, overcome the low defective of solar radiation energy-flux density, can significantly improve the short circuit current of solar cell, thereby make the semi-conducting material of same quantity produce more electric energy, and the price of the optically focused parts that increase is far below the semi-conducting material price of being saved, thereby reduce the cost of photovoltaic generating system significantly, help photovoltaic generating system applying in China.
The convergent pencil of rays characteristic of condensation photovoltaic device is bad at present, and for example very responsive to the direction of incident ray, very little error in pointing will make the battery power output reduce greatly, therefore must carry out two-dimentional accurate tracking to the sun, causes the cost height, the reliability variation.
Automatic sun tracking mechanism in the tracking light focusing photovoltaic electricity generation system is divided into the one dimension tracking system of having only a rotating shaft and has the two-dimensional tracking system of two-phase rotary shaft.The former only needs a cover to be controlled by the tracking drive unit of control circuit, cost is cheap relatively, but can only can't guarantee that solar cell is throughout the year all with the optimum position aligning sun, the energy that an always loss part shines upon over against the sun on the one dimension direction; The latter needs two covers to follow the tracks of drive units, and solar cell can be all the time over against the sun, but cost is higher, promotes limited.With V-shaped groove formula reflective concentration photo Blast Furnace Top Gas Recovery Turbine Unit (TRT) is example, in order to save cost, adopts one dimension to follow the tracks of the sun basically.
And existing reflective concentration photo technology, the tolerance characteristic is little, need install tracking system additional, and the metal coating cost is higher, and is not suitable for the bigger area of dust storm.Such as Fresnel prism and reflection paraboloid etc., basically the method for designing according to image optics designs, the tolerance characteristic is smaller, when every day, position of sun changed, the optically focused focal spot moves, and hot spot departs from battery surface, and the output electric energy sharply descends, must follow the tracks of the sun and could guarantee that daylight arrives battery surface, has strengthened cost; And the failure rate height of tracking system, anti-blown sand ability, reliability reduce.
Summary of the invention
The utility model proposes a kind of one dimension line focus concentrating photovoltaic power generation device, it has solved, and system's tolerance characteristic of existing focusing concentrating photovoltaic power generation device is smaller, tracking system failure rate height, reliability is low, cost is high, the technical problem of anti-blown sand ability.
Technical solution of the present utility model is:
A kind of one dimension line focus concentrating photovoltaic power generation device, comprise support, mechanism for regulating elevation angle, housing, the concentration solar cell assembly that is installed in the condenser system of case top and is installed in housing bottom, described housing is arranged on the support by mechanism for regulating elevation angle; Its special character is: described condenser system is linear Fresnel optically focused prism array, and described concentration solar cell assembly is installed in the focal length place of linear Fresnel optically focused prism array.
Above-mentioned condenser system also comprises the secondary reflection lens array, and described secondary reflection lens array is to be installed in the concentration solar cell assembly both sides and to form the plane mirror of V-shaped groove structure with concentration solar cell assembly.
Above-mentioned condenser system also comprises the secondary reflection lens array, and described secondary reflection lens array is to be installed in the concentration solar cell assembly both sides and to form the parabolic reflector of V-shaped groove structure with concentration solar cell assembly.
Above-mentioned condenser system also comprises the secondary reflection lens array, and described secondary reflection lens array is the transmission-type cylindrical mirror that is installed in the concentration solar cell assembly top.
Above-mentioned linear Fresnel optically focused prism array is arc prism array or planar shaped prism array.
Above-mentioned linear Fresnel optically focused prism array comprises the high transparent glass on upper strata and the Fresnel prism pad pasting of lower floor.
Above-mentioned linear Fresnel optically focused prism array is the prism array that optical resin material is made.
Above-mentioned mechanism for regulating elevation angle is to be arranged on the cover of one between housing and support worm and gear structure.
Above-mentioned concentration solar cell assembly comprises solar cell and heat abstractor, and described heat abstractor is heat-dissipating metal sheet or radiating fin.
Above-mentioned concentration solar cell assembly also comprises the water tank that is arranged in the heat abstractor.
The utility model has the advantages that:
1, the utility model has adopted Fresnel optically focused prism array, has improved the luminous flux and the energy-flux density of unit are, has improved the battery unit area output, and the consumption of solar cell only is 1/5 to 1/10 of a fixed type photovoltaic power generation system.Line focus Fresnel optically focused prism array is collected sunray, simultaneously solar cell is had about protection, helps improving battery life.
2, the utility model has adopted the secondary reflection lens array to optimize the performance of Fresnel optically focused prism array, improved the tolerance of concentrating solar battery to the incident ray direction, the reflectivity that has guaranteed lens is minimum, make the loss of transmission daylight drop to minimum, improve the power output of the unit are of solar cell; When every day, position of sun was moved, need not the sun is followed the tracks of.
3, the utility model has adopted the arc prism structure, makes system have good wind resistance.
4, high transparent glass is adopted on the utility model prism upper strata, adopts the Fresnel prism pad pasting below, has good anti-blown sand characteristic.
5, the utility model elevation angle adjusting mechanism adopts the worm and gear device, has excellent mechanical intensity and wind resistance characteristic.The utility model can adapt to Various Seasonal or shine upon the variation of direction, only needs then can by regularly adjusting angle season.When solar cell departs from over against position that the sun is followed the tracks of because of declination angle changes, can be by the elevation angle of elevation angle adjusting mechanism manual adjustment device, adjust the solar cell inclination angle, make the line focus concentrating photovoltaic power generation device all the time with comparatively desirable orientation over against the sun, thereby give full play to the effect of solar cell.
6, when solar cell is subjected to focus irradiation, temperature can raise to some extent, can directly reduce the energy output of solar cell.The base plate of the concentration solar cell assembly that the utility model adopts is heat-dissipating metal sheet or radiating fin, has better heat radiating effect.
7, the utility model is provided with water tank in heat abstractor, and refrigerating efficiency height, output electric energy also can obtain heat energy output simultaneously.
8, the utility model has been realized substantially near the same action effect of two-dimensional sun-tracing system so that line focus optically focused and elevation angle adjusting mechanism are ingenious, and cost reduces greatly than two-dimensional tracking system.
9, array is convenient to be combined to form in system, is convenient to Installation and Debugging and maintenance.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a user mode schematic diagram of the present utility model;
Fig. 3 is the structural representation of condenser system of the present utility model and concentration solar cell assembly;
Fig. 4 is the structural representation of concentration solar cell assembly of the present utility model;
Wherein: the linear Fresnel optically focused of 1-prism array, 2-plane mirror, 21-cylindrical mirror, 3-housing, 4-support, 5-worm-and-wheel gear, 6-solar module, 61-solar cell, 62-heat abstractor, 63-water tank.
Embodiment
A kind of one dimension line focus concentrating photovoltaic power generation device, the concentration solar cell assembly 6 that comprises support 4, mechanism for regulating elevation angle, housing 3, is installed in the secondary reflection lens array at housing 3 tops and linear Fresnel optically focused prism array 1 and is installed in housing 3 bottoms; Housing 3 is arranged on the support 4 by mechanism for regulating elevation angle; Concentration solar cell assembly 6 is installed near the focal length of linear Fresnel optically focused prism array 1; The secondary reflection lens array can be mounted in concentration solar cell assembly 6 both sides and form the plane mirror 2 of V-shaped groove structures with concentration solar cell assembly 6, also can be mounted in concentration solar cell assembly 6 both sides and form the parabolic reflector of V-shaped groove structures, can also be mounted in the transmission-type cylindrical mirror 21 of concentration solar cell assembly 6 tops with concentration solar cell assembly 6; Linear Fresnel optically focused prism array 1 can be arc prism array or planar shaped prism array, and concrete structure can adopt the Fresnel prism pad pasting of the high transparent glass on upper strata and lower floor or make with materials such as polymethyl methacrylate (PMMA) Merlon; Mechanism for regulating elevation angle is a cover worm-and-wheel gear 5 that is arranged on 4 on housing 3 and support, described worm-and-wheel gear 5 comprises and is arranged on the worm screw on the support 4 and is fixed near the housing 3 one end face centers of gravity turbine that the worm gear of mechanism for regulating elevation angle is supported on the support 4 by bearing pedestal; Concentration solar cell assembly 6 comprises solar cell 61 and heat abstractor 62, and heat abstractor 62 is heat-dissipating metal sheet or radiating fin, and its inside can be provided with the water tank 63 that absorbs heat; The utility model adopts water-cooling pattern, and the refrigerating efficiency height obtains heat energy output simultaneously, improves the utilization to photo-thermal, also can adopt the air cooling way cool batteries to reduce system cost.
One dimension line focus Fresnel optically focused prism array is an axially symmetric structure, has wide convergent pencil of rays characteristic, and hot spot is a wire; Prism can be arc or planar shaped.
Daylight focuses on by line focus Fresnel optically focused prism, projects to be positioned near the secondary concentrator of prism focal length, through reflecting the surface that projects receiver (solar cell) at last.The luminous energy that solar cell receives, photoelectric effect are converted into electric current and voltage, through output circuit output electric energy.Cell backside and pedestal are connected to radiator by heat-conducting glue, and heat energy is taken away by radiator, are in lower working temperature to keep battery.
The utility model is applicable to multiple helioplant, as solar collector, solar photovoltaic power etc., has improved the utilization ratio of solar energy greatly.This apparatus structure is simple, and the reliability height is convenient to aim at and adjust.
Claims (10)
1, a kind of one dimension line focus concentrating photovoltaic power generation device, the concentration solar cell assembly (6) that comprises support (4), mechanism for regulating elevation angle, housing (3), is installed in the condenser system at housing (3) top and is installed in housing (3) bottom, described housing (3) is arranged on the support (4) by mechanism for regulating elevation angle; It is characterized in that: described condenser system is a linear Fresnel optically focused prism array (1), and described concentration solar cell assembly (6) is installed in the focal length place of linear Fresnel optically focused prism array (1).
2, one dimension line focus concentrating photovoltaic power generation device according to claim 1, it is characterized in that: described condenser system also comprises the secondary reflection lens array, and described secondary reflection lens array is for being installed in concentration solar cell assembly (6) both sides and forming the plane mirror (2) of V-shaped groove structure with concentration solar cell assembly (6).
3, one dimension line focus concentrating photovoltaic power generation device according to claim 1, it is characterized in that: described condenser system also comprises the secondary reflection lens array, and described secondary reflection lens array is for being installed in concentration solar cell assembly (6) both sides and forming the parabolic reflector of V-shaped groove structure with concentration solar cell assembly (6).
4, one dimension line focus concentrating photovoltaic power generation device according to claim 1, it is characterized in that: described condenser system also comprises the secondary reflection lens array, and described secondary reflection lens array is for being installed in the transmission-type cylindrical mirror (21) above the concentration solar cell assembly (6).
5, according to claim 1 or 2 or 3 or 4 described one dimension line focus concentrating photovoltaic power generation devices, it is characterized in that: described linear Fresnel optically focused prism array (1) is arc prism array or planar shaped prism array.
6, one dimension line focus concentrating photovoltaic power generation device according to claim 5 is characterized in that: described linear Fresnel optically focused prism array (1) comprises the high transparent glass on upper strata and the Fresnel prism pad pasting of lower floor.
7, one dimension line focus concentrating photovoltaic power generation device according to claim 5 is characterized in that: the prism array that described linear Fresnel optically focused prism array (1) is made for optical resin material.
8, one dimension line focus concentrating photovoltaic power generation device according to claim 7 is characterized in that: described mechanism for regulating elevation angle is for being arranged on the cover of one between housing (3) and support (4) worm-and-wheel gear (5).
9, one dimension line focus concentrating photovoltaic power generation device according to claim 8, it is characterized in that: described concentration solar cell assembly (6) comprises solar cell (61) and heat abstractor (62), and described heat abstractor (62) is heat-dissipating metal sheet or radiating fin.
10, one dimension line focus concentrating photovoltaic power generation device according to claim 9 is characterized in that: described concentration solar cell assembly (6) also comprises the water tank (63) that is arranged in the heat abstractor (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201296578U CN201315553Y (en) | 2008-12-17 | 2008-12-17 | One-dimensional line-focusing concentrating photovoltaic generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201296578U CN201315553Y (en) | 2008-12-17 | 2008-12-17 | One-dimensional line-focusing concentrating photovoltaic generating set |
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| CN201315553Y true CN201315553Y (en) | 2009-09-23 |
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| CNU2008201296578U Expired - Fee Related CN201315553Y (en) | 2008-12-17 | 2008-12-17 | One-dimensional line-focusing concentrating photovoltaic generating set |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101839434A (en) * | 2010-06-01 | 2010-09-22 | 袁长胜 | Solar-powered power-generating and illuminating composite street lamp |
| CN101964366A (en) * | 2010-08-11 | 2011-02-02 | 友达光电股份有限公司 | Photoelectric conversion element |
| CN102104345A (en) * | 2009-12-18 | 2011-06-22 | 上海超日太阳能科技股份有限公司 | Light-concentrating crystalline silicon solar battery component |
| CN101702410B (en) * | 2009-10-25 | 2011-12-07 | 新疆天和聚能光伏科技有限公司 | Double inclined plane reflecting condensation solar photovoltaic battery module |
| CN103165717A (en) * | 2013-03-29 | 2013-06-19 | 苏州百纳思光学科技有限公司 | Concentrating photovoltaic module comprising small Fresnel lens array |
| CN106059467A (en) * | 2016-06-16 | 2016-10-26 | 昆山诃德新能源科技有限公司 | Reflection focusing solar energy photovoltaic power generation device |
| CN109131881A (en) * | 2018-08-21 | 2019-01-04 | 鲍灵杰 | A kind of unmanned dispatching aircraft |
-
2008
- 2008-12-17 CN CNU2008201296578U patent/CN201315553Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101702410B (en) * | 2009-10-25 | 2011-12-07 | 新疆天和聚能光伏科技有限公司 | Double inclined plane reflecting condensation solar photovoltaic battery module |
| CN102104345A (en) * | 2009-12-18 | 2011-06-22 | 上海超日太阳能科技股份有限公司 | Light-concentrating crystalline silicon solar battery component |
| CN101839434A (en) * | 2010-06-01 | 2010-09-22 | 袁长胜 | Solar-powered power-generating and illuminating composite street lamp |
| CN101964366A (en) * | 2010-08-11 | 2011-02-02 | 友达光电股份有限公司 | Photoelectric conversion element |
| CN103165717A (en) * | 2013-03-29 | 2013-06-19 | 苏州百纳思光学科技有限公司 | Concentrating photovoltaic module comprising small Fresnel lens array |
| CN106059467A (en) * | 2016-06-16 | 2016-10-26 | 昆山诃德新能源科技有限公司 | Reflection focusing solar energy photovoltaic power generation device |
| CN109131881A (en) * | 2018-08-21 | 2019-01-04 | 鲍灵杰 | A kind of unmanned dispatching aircraft |
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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: 20090923 Termination date: 20151217 |
|
| EXPY | Termination of patent right or utility model |