CN103591703A - Solar energy gathering system - Google Patents
Solar energy gathering system Download PDFInfo
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- CN103591703A CN103591703A CN201210289624.0A CN201210289624A CN103591703A CN 103591703 A CN103591703 A CN 103591703A CN 201210289624 A CN201210289624 A CN 201210289624A CN 103591703 A CN103591703 A CN 103591703A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
- G02B7/182—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors
- G02B7/183—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors specially adapted for very large mirrors, e.g. for astronomy, or solar concentrators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
- F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S30/00—Arrangements for moving or orienting solar heat collector modules
- F24S30/40—Arrangements for moving or orienting solar heat collector modules for rotary movement
- F24S30/45—Arrangements for moving or orienting solar heat collector modules for rotary movement with two rotation axes
- F24S30/452—Vertical primary axis
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
- F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
- F24S2023/87—Reflectors layout
- F24S2023/872—Assemblies of spaced reflective elements on common support, e.g. Fresnel reflectors
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/10—Photovoltaic [PV]
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
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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
- Y02E10/47—Mountings or tracking
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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
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- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Chemical & Material Sciences (AREA)
- Thermal Sciences (AREA)
- Sustainable Energy (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention provides a solar energy gathering system which comprises at least one group of fresnel reflection main condensation devices and receiving devices arranged in the condensation directions of the main condensation devices. Each group of fresnel reflection main condensation devices are a reflector array group with at least four shafts arranged in the east-west axial direction. The array planes of the fresnel reflection main condensation devices face the sunny slope and are arranged in an inclined mode. The solar energy gathering system is distributed in a region with the latitude higher than 20 degrees. A plurality of gathering systems are distributed on a rotation platform to conduct overall direction rotation. A receiver of the solar energy gathering system is a photovoltaic cell device or a photo-thermal heat collector, namely the system can be applied to solar energy photo-thermal heat collection and solar energy photo-thermal power generation, the cost is low, captured light energy per unit mirror is high, and the system can be built with a building integrally and has a good application range.
Description
Technical field
The present invention relates to a kind of solar energy collection system.
Background technology
Energy shortage and environmental problem have progressively become the great bottleneck of restriction China and World Economics and social long-run development.In order addressing this problem, except Efforts To Develop is energy-conservation, uses and can and make great efforts development fossil fuel with science, the necessary development and utilization of accelerating regenerative resource.Develop regenerative resource, Optimization of Energy Structure, protection of the environment, GHG emissions mitigation, reply climate change are had a very important role, solar energy has prior effect in this respect.Solar energy is a kind of inexhaustible, clean regenerative resource.Develop solar energy resources and be the effective way of developing new forms of energy and protection of the environment, energy-saving and emission-reduction.Along with the renewable energy utilizations such as solar energy are flourish in the whole world, solar energy heat build-up generating (CSP) is progressively familiar with by people.
The abundant area of the most of solar energy resources in the whole world, the area that DNI is high all concentrate near middle and high latitude 35-40 degree, therefore exist the variation due to angle of incidence of light degree to cause seasonal effect to spotlight effect.
Common line style CSP lens system has slot type lens system and Fresnel lens system.Traditional slot type lens system is in the not enough ，Er of time unit's minute surface received energy in winter summer unit minute surface received energy too much (exceed heat engine, heat reservoir demand causes abandoning heat), and whole framework, minute surface manufacturing cost are higher; Although traditional Fresnel lens system has overcome the high shortcoming of cost, exist the annual received energy of unit are minute surface lower and need the shortcomings such as larger solar energy mirror scene is long-pending.Therefore can develop a kind of cost lower, there is the lens system that compare Gao unit's minute surface cuts light energy and be of great value extremely urgent.
Summary of the invention
Main purpose of the present invention is the middle and high latitude area traditional slot type lens system winter unit minute surface received energy deficiency that overcomes foregoing description, and summer unit's minute surface received energy too much (will select to abandon heat under specific energy storage capacity), whole manufacturing cost is high; Although Fresnel lens system construction cost declines, but unit minute surface received energy is lower the whole year, for the problems referred to above, a kind of solar energy collection system is proposed, comprise the main beam condensing unit of at least 1 group Fresnel reflection, be placed in the receiving system in main beam condensing unit optically focused direction; The main beam condensing unit of described every group of Fresnel reflection is the reflection mirror array group that 4 axles or above thing axle are arranged; The array plane of the main beam condensing unit of described Fresnel reflection domatic being in tilted layout that face south, described solar energy collection system is arranged in the latitude 20 above areas of degree.
Further, respectively organize above 0.6～2 times of reflection mirror array group width that the main beam condensing unit spacing of Fresnel reflection is main beam condensing unit (reflection mirror array group width is defined as the outward flange of the most initial mirror bar of reflection mirror array group of main beam condensing unit to the outer peripheral largest contours size wire length of most end end mirror bar for described one group.When main beam condensing unit spacing is the state of largest contours size wire length, ground upright projection distance between the forward position of the rear edge of the reflection mirror array group of last group of main beam condensing unit and the reflection mirror array group of rear one group of main beam condensing unit), to increase effective optical cross section of integral mirror field, amass or efficiency.
Further, described receiving system comprises secondary optics device, as secondary compound parabolic beam condensing unit CPC or turn light rays speculum or measuring spectroscope etc.
Further, the light angle that converges of described main beam condensing unit is less than 90 °, and preferably, the light angle that converges of main beam condensing unit is less than 60 °; Optimum is that the light angle that converges of main beam condensing unit is less than 45 °; The incident ray that converges that converges the easier higher multiple of secondary optics device in the less receiving system of light angle, makes entire system light concentrating times higher.Wherein converge light angle be defined as take reflection mirror array group width as base, receiving system central point as summit formed angle.
Further, the mirror bar of described reflection mirror array group is one dimension arc cylinder, has light convergence effect.
Preferably, the mirror bar of described reflection mirror array group is one dimension circular arc cylinder, convenient processing, measurement, installation.
Further, the mirror bar number of axle (or number) of described reflection mirror array group is in 10 axles.
Preferably, the mirror bar number of axle (or number) of described reflection mirror array group is in 6 axles, to simplify the construction of system.
Further, the minute surface of described speculum is adjustable to be erect or approximate setting, in anti-hail state, strengthens opposing hail impact capacity.
Further, the minute surface of described speculum is non-toughened glass mirror, under the prerequisite of proof strength, reduces the manufacturing cost of speculum.
Further, the reflection mirror array group integral body of the described main beam condensing unit domatic angle being in tilted layout that faces south is greater than 15 °, and described angle of inclination is line and the horizontal angle in Dao Gao axle center, minimum axle center in every arrangement of mirrors strip array.
Further, the array plane of the main beam condensing unit of the described solar energy collection system Fresnel reflection domatic angular range being in tilted layout that faces south is 15～50 °; This system, when Northern Part of China integral body is the inclination of at least 30～45 °, has the good luminous energy power of cutting, and the Fresnel array unit minute surface receiving ability on the ground of tiling increases by 20%～30%.
Further, described receiving system is film photovoltaic cell device or photo-thermal heat collector; Or receiving system is the comprehensive of film photovoltaic cell device and photo-thermal heat collector, and this system can be applied to solar energy optical-thermal thermal-arrest, also can be applied to solar light-heat power-generation.
Further, described one or more lens systems are arranged on rotation platform, implement whole orientation rotation; Reflection mirror array group is implemented the rotation in short transverse, completes two-dimensional tracking, obtains better unit minute surface and cuts optical efficiency.
Further, described solar energy collection system is arranged in building top, forms complete integral body with building roof inclined plane.
A kind of solar energy collection system of the present invention has following characteristics and advantage: 1, this solar energy collection system overall cost cost is lower, in the situation that obtain the unit minute surface substantially suitable with traditional slot type, cuts light energy, and cost is significantly less than traditional slot type; More common thing axle, the horizontally disposed Fresnel structure of north and south axle have close construction and installation cost, have the optical efficiency of cutting of cutting light energy 20%～30% higher than its unit minute surface simultaneously; 2, this solar energy collection system is especially obvious in high latitude area effect, is particularly suitable for most of high illumination area in China, the U.S., Australia, north African etc.; 3, this solar energy collection system can be applied in solar light-heat power-generation system (CSP), also can be applied in solar spot light photovoltaic generating system (LCPV); 4, a plurality of these solar energy collection systems are arranged on same rotation platform, jointly completing gyrobearing angle follows the tracks of, simultaneously the minute surface in different solar energy collection systems alone rotation complete the tracking of short transverse, jointly complete two-dimensional tracking, obtain better unit minute surface and cut light energy; 5, solar energy collection system is arranged on building roof, forms complete integral body with building roof inclined plane.
Accompanying drawing explanation
With reference to the accompanying drawings specific embodiment of the invention scheme is described in detail, in accompanying drawing:
Fig. 1 is the structural representation of the first embodiment of solar energy collection system of the present invention;
Fig. 2 is the structural representation of the second embodiment of solar energy collection system of the present invention;
Fig. 3 is that slot type, Fresnel and each monthly average of the present embodiment device are cut the accumulative total figure of luminous energy power.
The specific embodiment
Below in conjunction with embodiment, the present invention is described in further detail.
Fig. 1 is the structural representation of the first embodiment of solar energy collection system of the present invention.As shown in Figure 1, comprise the main beam condensing unit of at least 1 group Fresnel reflection, be placed in the receiving system 103 in main beam condensing unit optically focused direction; The main beam condensing unit of described every group of Fresnel reflection is the reflection mirror array group 101 that 4 axles or above thing axle are arranged; Multi-disc speculum is speculum 110 and speculum 112 for example; The array plane of the main beam condensing unit of described Fresnel reflection domatic being in tilted layout that face south; Receiving system 103 is positioned at the top of reflection mirror array group 101, is arranged in the upper position of bracing frame 109; The domatic angular range being in tilted layout that faces south of solar energy collection system integral body is 15～50 °; Angle of inclination is generally greater than 20 °, and now, reflection mirror array group is easily installed and had the good luminous energy power of cutting, and compares with the Fresnel array unit minute surface on common tiling ground, and its receiving ability can increase by 20%～30%.
This solar energy collection system is applicable to high latitude area, and for example latitude scope is 30～50 °; Preferably, the range of tilt angles of solar energy collection system integral body is 15～50 °, and angle of inclination is for example preferably 30 ° in Beijing Area, has good integrated cost, installation and cuts light effect.0.6～2 times of the main beam condensing unit spacing of described Fresnel reflection B of each group reflection mirror array group width A that is main beam condensing unit, to increase the long-pending or efficiency in effective optical cross section of integral mirror field.Wherein, the outward flange of the most initial mirror bar of reflection mirror array group that reflection mirror array group width A is defined as main beam condensing unit is to the outer peripheral largest contours size wire length of most end end mirror bar.When main beam condensing unit spacing B is defined as the state of largest contours size wire length, the ground upright projection distance between the rear edge of the reflection mirror array group of last group of main beam condensing unit and the forward position of the reflection mirror array group of rear one group of main beam condensing unit.The light angle that converges of main beam condensing unit is less than 90 °, is preferably less than 60 °, is optimally less than 45 °, wherein converge light angle be defined as take the reflection mirror array group width A of main beam condensing unit as base, receiving system central point is the apex angle α that summit forms; Converge the less receiving system of light angle and more easily receive and converge light, there is higher tolerance performance; Main beam condensing unit is a plurality of reflection mirror array groups, and reflection mirror array group is comprised of the mirror bar of array, and mirror bar is one dimension arc cylinder, has good convergence effect.Preferably, the mirror bar of described reflection mirror array group is one dimension circular arc cylinder, convenient processing.
The mirror bar number of axle (or number) of reflection mirror array group 101 is in 10 axles.Preferably, the mirror bar number of axle (or number) of described anti-lens array group is in 6 axles, to simplify the construction of system.Further, the minute surface of described speculum can be erect or approximate setting, in anti-hail state.Further, the minute surface of described speculum is non-toughened glass mirror, under the prerequisite of proof strength, reduces the manufacturing cost of speculum.
The receiving system 103 of solar energy collection system comprises secondary optics device, as secondary compound parabolic beam condensing unit CPC or turn light rays speculum or measuring spectroscope etc., the sunshine that is not directly incident on the receiver surface of receiving system 103 inside is reflexed to receiver outer surface again; When receiver is not mark in photo-thermal heat collector 104(Fig. 1) time, solar energy collection system converts solar energy after heat to, promotes heat engine and carries out photo-thermal power generation; This solar energy collection system is except being applied to solar light-heat power-generation, and can also be applied to sun grace can photovoltaic generation, and when receiving system is photovoltaic receiving system, receiver photovoltaic cell group is implemented photovoltaic cell capable of generating power.This solar energy collection system can be arranged in inclined plane, Shang，Yu roof, roof and form complete integral body.
Fig. 2 is the structural representation of the second embodiment of solar energy collection system of the present invention.As shown in Figure 2, comprise the main beam condensing unit of at least 1 group Fresnel reflection, be placed in the receiving system 203 in main beam condensing unit optically focused direction; The main beam condensing unit of described every group of Fresnel reflection is reflection mirror array group 201 and the reflection mirror array group 202 that 4 axles or above thing axle are arranged; The array plane of the main beam condensing unit of described Fresnel reflection domatic being in tilted layout that face south; The reflection mirror array group 201 of take is described as example, and reflection mirror array group 201 is along thing direction of principal axis domatic being in tilted layout that face south, and angle of inclination is preferably 30 °, to guarantee that solar energy collection system installs simple and easyly, and can have the good luminous energy power of cutting.This solar energy collection system is applicable to high latitude area, and for example latitude scope is 20～50 °.The receiving system 203 of solar energy collection system comprises film photovoltaic cell device 221, photo-thermal heat collector 224 and the wavelength light-dividing device 225 of arranging between the two; This wavelength light-dividing device 225, can adopt wavelength pellicle spectroscope to carry out transmission, reflection selection light splitting to the incident light converging; Wavelength light-dividing device 225 also adopts prism spectroscope or prism spectroscope group to reflect and select wavelength light splitting incident light; Whole implementation high-efficiency solar spectral separation is utilized, and improves photovoltaic cell capable of generating power efficiency (reduce the reception of spectrum within the scope of low spectral responsivity, reduced the conversion of energy to heat, guarantee photovoltaic cell efficiency power generation and ideal operation temperature).
As shown in Figure 2, this solar energy collection system is arranged on rotation platform 209, for example reflection mirror array group 201 and reflection mirror array group 202 are on rotation platform 209, a plurality of these solar energy collection systems are arranged on same rotation platform 209, jointly complete the tracking in dimension of gyrobearing angle, simultaneously the minute surface in different solar energy collection systems alone rotation complete the tracking of short transverse, complete the tracking in another dimension, the two completes two-dimensional tracking jointly, obtains better unit minute surface and cuts light energy; Approximately compared with this solar energy collection system efficiency of one dimension rotation, improve 15% left and right.
Fig. 3 is that slot type, Fresnel and each monthly average of the present embodiment device are cut the accumulative total figure of luminous energy power.As shown in Figure 3, the accumulative total of the annual Ge Yue unit of grey histogram graph representation tradition slot type collector system minute surface received energy; The accumulative total of the annual Ge Yue unit of black histogram graph representation tradition Fresnel collector system minute surface received energy; White bar chart is shown the accumulative total of the annual Ge Yue unit of the lens system minute surface received energy of written or printed documents embodiment.Shi，Ge Yue unit's minute surface received energy is less in the winter time for tradition slot type collector system; During summer, it is more that unit are minute surface is accepted energy, and it is larger that winter and summer differs, and within each month, generated energy is inhomogeneous; The energy that tradition Fresnel collector system receives at annual Ge Yue unit minute surface is all less, and whole minute surface efficiency is generally lower; The lens system of the present embodiment more traditional slot type of energy that Shi Geyue unit's minute surface receives in the winter time wants many, and when summer, the energy that Ge Yue unit's minute surface receives will slightly lack compared with slot type, and whole annual reception is comparatively average, facilitates electric weight to surf the Net and has met user's request; Moreover, consider the memory capacity of photo-thermal system, traditional slot type, because each month differs larger, and is inconvenient to mate, and when energy storage capacity is larger, for example, can meet the heat accumulation in summer, but during to winter, energy storage capacity wretched insufficiency can not meet heat storage can Capacity design; When heat storage capacity is designed to medium level, the energy storage capacity in summer has to have part to abandon heat, causes no small waste; This system winter and summer, the corresponding energy receiving differed seldom, facilitated appropriate design and the grid-connected reasonable demand of user of heat storage can.
, because of its tiling ground, when incident angle hour, between the mirror bar of adjacent mirror, easily there is shading in the Fresnel lens system that north and south is axial arranged; When incident angle is large, between the mirror bar of adjacent mirror, easily there is light leak; For example, and in the present embodiment, the reflection mirror array group integral body that thing axle is arranged domatic being in tilted layout that face south, goes up on the Northern Hemisphere, reflection mirror array group domatic being in tilted layout that face south, a plurality of reflection mirror array groups are met and to sun the south, are cut light-receiving; Between the mirror bar of a plurality of speculums, seldom, the reflection mirror array group that light leak is also arranged compared with north and south axle will be lacked in shading; The fresnel reflecting mirror structural units speculum received energy that north and south axle is arranged so is on the whole less than the fresnel reflecting mirror array group unit speculum received energy that thing axle is arranged, the two annual accumulative total on average approximately differs 25%～30% left and right; The neutral spacing that two of the slot type lens system that traditional north and south axle is arranged face slot type is mutually approximately 1.5 times of parabola groove A/F, and for example parabola groove A/F is 6m; Two adjacent parabola groove centre-to-centre spacing are 15m; Neutral spacing is 9m; 7 shadings to 17 time period reception sunshines formation in evening are limited in the morning, so the receiving ability of unit eyeglass is relatively eager to excel in whatever one does; Suppose that the incident angle that slot type north and south axle arranges that speculum completes the incidence reflection mirror groove after one dimension is followed the tracks of is θ 1: sin θ 1=cosh*cos γ wherein; Corresponding cosine value is cos θ 1=(1-cos2h*cos2 γ) 0.5; Face south 45 °, domatic angle of inclination of the reflection mirror array group integral body that the thing axle of embodiment mono-is arranged, its thing axle has arranged that the incident angle after one dimension tracking is θ 2: sin θ 2=cosh*sin γ wherein; Corresponding cosine value is cos θ 2=(1-cos2h*sin2 γ) 0.5; The height angle that wherein h is sunray, the orientation angles that γ is sunray.When summer, orientation angles γ scope is very wide can be from-90 °～90 °, and orientation angles cosine value is less than the sine value of orientation angles, so traditional slot type wants large in the unit minute surface received energy in summer; And may be from-60 °～60 ° in sun rise in winter orientation angles scope, again because orientation angles is less of noon, and the DNI at noon is larger than morning or DNI at dusk, the reflection mirror array group unit minute surface received energy that therefore thing axle is arranged in winter is greater than traditional slot type north and south axle unit minute surface received energy.
In this solar energy collection system structure, there is very large advantage, the framework that cost is more general is at half, can absorb more energy winter, be suitable for high latitude application, can be applicable to, in solar light-heat power-generation system (CSP), also can be applied in solar spot light photovoltaic generating system (LCPV).
Obviously, do not departing under the prerequisite of true spirit of the present invention and scope, the present invention described here can have many variations.Therefore, all changes that it will be apparent to those skilled in the art that, within all should being included in the scope that these claims contain.The present invention's scope required for protection is only limited by described claims.
Claims (17)
1. a solar energy collection system, comprises the main beam condensing unit of at least 1 group Fresnel reflection, is placed in the receiving system in main beam condensing unit optically focused direction; It is characterized in that, the main beam condensing unit of described every group of Fresnel reflection is the reflection mirror array group that 4 axles or above thing axle are arranged; The array plane of the main beam condensing unit of described Fresnel reflection domatic being in tilted layout that face south, described solar energy collection system is arranged in the latitude 20 above areas of degree.
2. a kind of solar energy collection system according to claim 1, is characterized in that, the light angle that converges of described main beam condensing unit is less than 90 °.
3. a kind of solar energy collection system according to claim 2, is characterized in that, the light angle that converges of described main beam condensing unit is less than 60 °.
4. a kind of solar energy collection system according to claim 3, is characterized in that, the light angle that converges of described main beam condensing unit is less than 45 °.
5. a kind of solar energy collection system according to claim 1, is characterized in that, the array plane of the main beam condensing unit of the described Fresnel reflection domatic angular range being in tilted layout that faces south is 15 ~ 50 °.
6. a kind of solar energy collection system according to claim 1, is characterized in that, described one group of 0.6 ~ 2 times of respectively organizing above reflection mirror array group width that the main beam condensing unit spacing of Fresnel reflection is main beam condensing unit.
7. a kind of solar energy collection system according to claim 1, is characterized in that, the mirror bar of described reflection mirror array group is one dimension arc cylinder.
8. a kind of solar energy collection system according to claim 7, is characterized in that, the mirror bar of described reflection mirror array group is one dimension circular arc cylinder.
9. a kind of solar energy collection system according to claim 1, is characterized in that, the mirror bar number of axle (or number) of described reflection mirror array group is in 10 axles.
10. according to a kind of solar energy collection system described in right 9, it is characterized in that, the mirror bar number of axle (or number) of described reflection mirror array group is in 6 axles.
11. a kind of solar energy collection systems according to claim 1, is characterized in that, the minute surface of described speculum is adjustable to be erect or approximate setting.
12. a kind of solar energy collection systems according to claim 1, is characterized in that, the minute surface of described speculum is non-toughened glass mirror.
13. a kind of solar energy collection systems according to claim 1, is characterized in that, described receiving system comprises secondary optics device.
14. a kind of solar energy collection systems according to claim 1, is characterized in that, described receiving system is film photovoltaic cell device or photo-thermal heat collector.
15. a kind of solar energy collection systems according to claim 1, is characterized in that, described receiving system is the comprehensive of film photovoltaic cell device and photo-thermal heat collector.
16. a kind of solar energy collection systems according to claim 1, is characterized in that, described a plurality of lens systems are arranged on rotation platform, implement whole orientation rotation.
17. a kind of solar aggregation apparatus according to claim 1, is characterized in that, described lens system is arranged in building top.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210289624.0A CN103591703A (en) | 2012-08-14 | 2012-08-14 | Solar energy gathering system |
| PCT/CN2013/081463 WO2014026610A1 (en) | 2012-08-14 | 2013-08-14 | Solar energy gathering system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210289624.0A CN103591703A (en) | 2012-08-14 | 2012-08-14 | Solar energy gathering system |
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| CN103591703A true CN103591703A (en) | 2014-02-19 |
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| WO (1) | WO2014026610A1 (en) |
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| CN108775718A (en) * | 2018-03-26 | 2018-11-09 | 河海大学常州校区 | The linear Fresnel mirror design method of biaxial tracker maximum focusing ratio |
| CN114562820A (en) * | 2022-02-22 | 2022-05-31 | 同济大学 | Building integrated shutter type solar photovoltaic photo-thermal collector |
| CN114739134A (en) * | 2022-04-11 | 2022-07-12 | 华东交通大学 | Medicinal material drying coupling energy supply system based on solar spectrum frequency division |
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| ES2782149B2 (en) * | 2018-01-26 | 2022-03-23 | Centro De Investig Energeticas Medioambientales Y Tecnologicas Ciemat | ADAPTABLE FRESNEL LINEAR SOLAR COLLECTOR |
| CN112728785B (en) * | 2021-01-19 | 2024-05-28 | 广东工业大学 | Solar heating device for Stirling engine |
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