CN101138099A - Solar energy utilization unit and solar energy utilization system. - Google Patents
Solar energy utilization unit and solar energy utilization system. Download PDFInfo
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- CN101138099A CN101138099A CNA2005800359653A CN200580035965A CN101138099A CN 101138099 A CN101138099 A CN 101138099A CN A2005800359653 A CNA2005800359653 A CN A2005800359653A CN 200580035965 A CN200580035965 A CN 200580035965A CN 101138099 A CN101138099 A CN 101138099A
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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
A solar energy utilization unit comprises a solar radiation concentrating optics and a solar radiation receiver including a first receiver component designed to convert into electric energy radiation in a first part of the solar spectrum, and a second receiver components designed to convert into electric energy radiation in a second part of the solar spectrum which is different from said first part. The solar radiation concentrating optics comprises a concave primary reflector adapted to reflect incident solar radiation towards the secondary reflector, and a convex secondary reflector adapted to reflect radiation in the first part of the solar spectrum into the first receiver component and also to transmit radiation in the second part of the solar spectrum into the second receiver component. The primary reflector is formed with a centrally disposed opening, via which the first receiver component is adapted to receive the radiation reflected by the secondary receiver. The primary receiver may have central and peripheral components, wherein the central component is made of a material which withstands heat better than the material from which the peripheral component is made.
Description
Technical field
The present invention relates to the field of solar energy utilization system, and relate to the described system that utilizes jam lattice logical sequence (cassegrainian) formula solar radiation concentration optics particularly.
Background technology
The jam lattice logical sequence concentration optics of standard comprises coaxillay aligned two reflectors: primary reflector and secondary reflector.Primary reflector is caught incident radiation and it is reflexed to less secondary reflector usually.Secondary reflector is again with the focus reflection of this radiation towards the concentration optics that is associated with solar receiver.Primary reflector can have different shapes with secondary reflector, and for example primary reflector can be hyperboloid for the parabola secondary reflector.
Solar receiver can be based on the direct absorption of working media (for example water) to solar radiant heat, perhaps based on for example in photocell solar radiation being changed into another kind of form of energy, receiver is positioned to make its inlet to be close to or to be positioned at the focus place of concentration optics in this case.Perhaps, receiver can comprise and is used for for example being used for utilizing solar energy in illuminator with assembling the device of radiation transmission to the position that separates with focus.
In " Path toAffordable Solar Electric Power " that the Lewis M.Fraas of JX Crystals company publication in 2004 is shown, described for jam lattice logical sequence concentration optics and used two different receivers, wherein secondary reflector is the form of beam splitter, this beam splitter with the gathering solar radiation in the visible part of solar spectrum towards the fibre-optic light guide spare reflection that is used for radiation is delivered to interior lighting system, and make gathering solar radiation in the infrared part of solar spectrum towards the photovoltaic cell arrays transmission that is positioned at the secondary reflector rear, in order to radiation is changed into.
The efficient of jam lattice logical sequence solar collector depends on the quality of the reflecting surface of reflector to a great extent.Long term exposure in the reflector of external environment condition for example because dust or sand cutting, oxidation or corrosion and lose its albedo easily.US 4,166,917 and US 4,491,683 solar collector of sealing has been described.
Summary of the invention
According to an aspect of the present invention, provide a kind of solar energy with jam Ge Lunshi solar radiation concentration optics to utilize the unit, this cell design becomes to make it can enough manual manipulations and be assembled in the solar energy utilization system that for example is used for family expenses by Modularly.
Described solar energy utilizes the unit to comprise: solar radiation concentration optics, this solar radiation concentration optics are designed so that the solar radiation gathering of incident, and are divided into wavelength two parts at least in the different piece of solar spectrum; And solar radiation receiver, this solar radiation receiver comprises the first solar radiation receiver parts and the second solar radiation receiver parts, described first parts are suitable for the incident radiation in the first in described two parts of solar spectrum is changed into electricity, and described second parts are suitable for the incident radiation in the second portion in described two parts of solar spectrum is converted into.
Described first receiver parts and the described second receiver parts all have the solar radiation acceptance division, described solar radiation acceptance division preferably is for example form of one or more photronic photoconductive structures, and described photoconductive structure is for the counterpart sensitivity of solar spectrum.Described two parts of solar spectrum for example can be its visible part and infrared part.
Each described receiver parts all (for example can comprise collector, self known non-imaging collector), this collector is used to admit the radiation from described solar radiation concentration optics, and makes this radiation advance to the described radiation acceptance division of described receiver parts in equally distributed mode.Described collector can be the form of concentrator (for example, having the conical butt pipe of interior reflective surface), perhaps is the form of prism, and radiation is propagated by total internal reflection in this prism.
Described solar radiation concentration optics has optical axis, and comprises concave surface primary reflector and convex secondary reflector, and their center and focus are located along described optical axis.Described secondary reflector is the form of the spectral beam-splitter with two focuses, and this secondary reflector is designed to admit the radiation of assembling by described primary reflector, thereby the radiation in the described first of solar spectrum is reflected towards its first focus, and making radiation in the described second portion of solar spectrum towards the second focus transmission, described first receiver parts and the described second receiver parts are associated with described first focus and described second focus of described secondary reflector respectively.
Described primary reflector is formed with opening in its central authorities, and described first focus of described secondary reflector is usually placed in the described opening or contiguous this opening.The described first receiver parts are firmly-fixed to the outer surface of described primary reflector, thereby the radiation acceptance division of these first receiver parts or the collector that is associated with these first receiver parts are arranged on described first focus of described secondary reflector or contiguous this first focus.
Described secondary reflector has the nonreentrant surface towards described primary reflector, and described second focus that is positioned at the rear has nonreentrant surface, the described second receiver parts are securely fixed in the rear of described nonreentrant surface, thereby the radiation acceptance division of these second receiver parts or the collector that is associated with these second receiver parts are arranged on described second focus of described secondary reflector or contiguous this second focus.
In described first receiver parts and the described second receiver parts any includes under the situation of described collector, the receiver parts that described collector can be corresponding with it and/or integrally formed with the primary reflector or the secondary reflector that are associated with these receiver parts.
The described second receiver parts also can comprise housing unit, and this housing unit carries the described radiation acceptance division of the described second receiver parts and the described collector (if any) that is associated with these second receiver parts.
In described first receiver parts and the described second receiver parts any or both also can comprise from the heat abstractor of the described radiation acceptance division heat absorption of described parts.Described heat abstractor can be passive (passive) and based on convection current, and this can be used in two receiver parts; Perhaps described heat abstractor can be (active) initiatively and use cooling fluid that this can be particularly useful to the described first receiver parts.
According to the present invention, be divided into two parts at least by assembling radiation, and utilize to these part sensitivities of radiation, with corresponding receiver parts that the different parts (primary reflector and secondary reflector) of described concentration optics are associated these parts are changed into electric energy, can obtain multiple advantage, these advantages comprise:
Described first receiver parts and the described second receiver parts all can be provided with independent electric installation (electric set up) thereby work under the generation electric current of its optimum;
Can select and optimize the characteristic of described receiver independently of one another, thereby make the efficient of described parts higher and production cost is lower;
Each receiver parts all can be with different gathering horizontal operations, this gathering level can be controlled by the design that is included in the described collector in the described parts, thereby can realize the optimum gathering of radiation at each receiver parts, therefore make the maximizing efficiency of receiver parts;
Because each acceptance division only is applied with partial radiation spectrum, thereby the heat radiation of described radiation acceptance division that can the described receiver parts of easier processing.
Solar energy of the present invention utilizes the unit also can comprise rigid cover, this lid firmly and hermetically is mounted to described primary reflector along the periphery (circumference) of described primary reflector, thereby forms enclosed volume between the interior reflective surface that is fixed with described solar radiation receiver parts of the inner surface of described lid and described primary reflector.Described unit can comprise to be controlled so that the minimized device of the quality deterioration of described reflector the environment of described enclosed volume.
Described lid is made by transparent material, and has less relatively territory, dead zone and around the relatively large working region of described reflector, the inner surface in territory, described dead zone with and the described secondary reflector that is integrally formed or is mounted to regularly on it be associated, the solar radiation of incident via described working region the reflecting surface towards described primary reflector propagate.
Described unit preferably is associated with the follower of following the tracks of the sun, and can comprise and be used to make the described unit autoregistration mechanism of additional precise alignment sunward.
The invention still further relates to a kind of solar energy utilization system, this solar energy utilization system has substrate and a plurality of solar units seat, the solar energy that described solar units seat is suitable for removably being equipped with a plurality of the above-mentioned types utilizes the unit, wherein, in each unit, described first receiver parts and the described second receiver parts all be provided with they separately be used for cable from its power taking, and wherein each unit all is modularization and extensive the manufacturing.
According to a further aspect in the invention, provide a kind of solar energy of solar radiation concentration optics and solar radiation receiver that comprises to utilize the unit.Described receiver is designed to radiation is changed into another kind of form of energy.Described solar radiation concentration optics comprises concave surface primary reflector and convex secondary reflector.Described primary reflector is suitable for towards the solar radiation of described secondary reflector reflection incident, and described secondary reflector is suitable for the described receiver of gathering directing radiation.Described primary reflector is formed with the opening that is arranged in central authorities, and described receiver is suitable for receiving by described secondary reflector radiation reflected by this opening.Described primary reflector is by making around the central unit of described receiver with around the circumferential component of this central unit.Described central unit is by making than making the more heat-resisting material of the used material of described circumferential component.
According to an embodiment, described circumferential component is that pedestal and described central unit are metal dish.The surface of described pedestal and described metal dish is suitable for forming continuous surface, to reflect the solar radiation of described incident.Described pedestal can be made of plastics and be suitable for being coated with reflecting material on the surface of in use solar radiation of described incident being reflected at least.
According to a further aspect in the invention, provide a kind of integral type reflector assembly, this reflector assembly comprises a plurality of primary reflectors and single lid, and this lid keeps the secondary reflector of a plurality of correspondences, utilizes the unit to form a plurality of aforesaid solar energy.
According to another aspect of the invention, provide a kind of reflector element, this reflector element comprises first surface and is suitable for carrying the second surface of solar radiation receiver.Described first surface is suitable for being reflected in the radiation in the first of solar spectrum, and is suitable for towards the radiation of described receiver transmission in the second portion of solar spectrum.Described second surface comprises a groove, and this groove is suitable for receiving the lead-in wire that can be connected to described solar radiation receiver.Described second surface can comprise at least two not parts of coplane.Described solar radiation receiver and described groove can be positioned on the part of not coplane of described second surface.Described solar radiation receiver can be a photocell.Described element is suitable for utilizing the unit to use with solar energy.
Description of drawings
In order to understand the present invention and to understand how it implements in practice, below with reference to accompanying drawings only with the formal description embodiment of indefiniteness example, in the accompanying drawing:
Fig. 1 is that solar energy utilizes the schematic cross sectional views of unit according to an embodiment of the invention;
Fig. 2 A is the schematic perspective view that solar energy shown in Figure 1 utilizes the unit;
Fig. 2 B is the schematic perspective view that the solar energy of the alternate embodiment according to the present invention utilizes the unit; And
Fig. 3 is the schematic perspective view according to solar energy utilization system of the present invention;
Fig. 4 is the top perspective view that utilizes the receiver architecture that the unit uses according to the present invention with solar energy shown in Figure 1;
Fig. 5 A is the partial top view of an embodiment of the rigid cover used with receiver architecture shown in Figure 4 according to the present invention;
Fig. 5 B is the partial top view of another embodiment of the rigid cover used with receiver architecture shown in Figure 4 according to the present invention;
Fig. 6 is the top perspective view of receiver architecture shown in Figure 4, is equipped with lead-in wire in this receiver architecture;
Fig. 7 A and 7B are respectively front view and the vertical views that receiver architecture shown in Figure 6 is mounted to rigid cover;
Fig. 8 is the stereogram of bottom view according to infrared circuit of the present invention;
Fig. 9 is the stereogram of bottom view that infrared circuit shown in Figure 8 is bonded to the aluminium lid bottom;
Figure 10 A and 10B are respectively front view and the end views that aluminium lid shown in Figure 9 is bonded to the receiver architecture top;
Figure 11 A is the additional end view that the receiver architecture of tank body is arranged;
Figure 11 B is that the receiver architecture shown in Figure 11 A cuts open the cutaway view of getting along line II-II;
Figure 11 C in Figure 11 B shown in ' A ' zone enlarged drawing; And
Figure 12 is another embodiment of receiver architecture shown in Figure 6;
Figure 13 is the stereogram of reflector assembly according to an embodiment of the invention;
Figure 14 A is the stereogram of reflector assembly under situation about revising according to the present invention shown in Figure 13;
Figure 14 B is that the line IV-IV in Figure 14 A cuts open the cutaway view of getting; And
Figure 14 C in Figure 14 B shown in ' B ' zone enlarged drawing.
Embodiment
Fig. 1 shows according to an embodiment of the invention, and solar energy utilizes unit 5.This unit 5 comprises: solar radiation concentration optics 6, this solar radiation concentration optics comprise concave surface primary reflector 7 and convex secondary reflector 9; And solar receiver, the radiation that this solar receiver is designed to be assembled by optics 6 changes into electric energy, and comprising the first photelectric receiver parts 10A and the second photelectric receiver parts 10B, each photelectric receiver parts all is associated with primary reflector 7 or secondary reflector 9.
Each receiver parts 10A, 10B comprise can be photoconductive structure 11A, the 11B of single plate battery or array.Photoconductive structure 11A (for example has different sensitive bands with 11B, in them one radiosensitive in the infrared part of solar spectrum, and be designed to the radiation in they corresponding wave bands is changed into electric energy and another radiosensitive in the visible part of solar spectrum). Structure 11A and 11B are respectively equipped with cable 13A, the 13B that is mounted on it, be used for power delivery to necessary place to utilize. Photoconductive structure 11A and 11B be otherwise known as " photocell ".
Primary reflector and secondary reflector arrange that with the design of jam lattice logical sequence wherein primary reflector 7 has the parabolic reflector that focus is F.Secondary reflector 9 has the surface 9 ' towards primary reflector, and this surface is the hyperboloid shape and has two focal point F 1 and the F2 that is positioned at bi-curved not homonymy.The focus of two reflectors all is positioned on the common optical axis X.The focal point F of primary reflector 7 overlaps with the focal point F 2 of secondary reflector 9.
Each receiver parts 10A, 10B comprise non-imaging collector, the inlet of this collector is positioned at or corresponding focal point F 1, the F2 of contiguous secondary reflector, and this collector is designed for admitting and is reflected by secondary reflector 9 or the radiation of transmission and make it advance to corresponding photocell 11A, 11B in equally distributed mode.Collector can be the form of concentrator (for example, having the Frusto-conical pipe 30A of interior reflective surface), perhaps is the form of prism (for example prism 30B), and radiation is propagated by total internal reflection in this prism.
As shown in Figure 1, the territory, dead zone 18 of lid 15 is the form of hole (not shown), and secondary reflector 9 and the second receiver parts 10B form a unit that is installed in this hole.The second receiver parts also comprise housing 24B, and this housing is as dielectric base and the over cap of the photocell 11B that is designed to be able to passive cooling.
Solar radiation receiver parts 10A is made by Heat Conduction Material, and comprises battery maintaining part 22, radiating part 26 that is positioned at central authorities and the erecting device 24A that is arranged in periphery, and at least a portion of radiating part is around the battery maintaining part.
Radiating part 26 is designed to be arranged in the shade by secondary reflector 9 projections.Radiating part 26 has inlet 34 and the outlet 36 that is communicated with cool stream body cavity 32.
For this reason, autoregistration mechanism 42 can comprise a transducer (not shown), this transducer is positioned on the outer surface in territory, dead zone 18 of lid 15, and is connected with the controller (not shown) with adjusting device 44, thereby based on the data that receive from transducer adjusting device is controlled.Perhaps, a sensing device can be designed to the part of receiver parts 10, this does not just need transducer 46.
At work, the sun is followed the tracks of in the unit 5 that is installed on the plate 8, and solar radiation is passed the working region 19 of transparent cover body 15 and is radiated on the primary reflector 7 along the direction of the X that parallels to the axis, thereby along the direction reflection of the focal point F that overlaps with focal point F 2 secondary reflector 9 this primary reflector.Then, the part of this radiation in the sensitive band of the first photocell 11A, made the further gathering of this partial radiation and guides it into photocell 11A in equally distributed mode at the pipe 30A of focal point F 1 place towards its focal point F 1 reflection by secondary reflector 9.Radiation in the sensitive band of the second photocell 11B is not reflected by secondary reflector 9, but towards focal point F 2 transmissions, makes the further gathering of this radiation and guide it into photocell 11B in equally distributed mode at the focal point F 2 prism 30B of place.
In the first receiver parts 10A, accumulate in a large amount of radiation in the zone of photocell 11A may cause at this place around a large amount of heat of accumulation in battery tray 28 particularly.Radiating part 26 passes cool stream body cavity 32 plays heat exchanger unit from battery tray 28 heat radiations from 34 cooling fluids that flow to outlet 36 that enter the mouth effect by utilization.Similarly, photocell 11B is set at the device cooling among the housing 24B of the second receiver parts 10B.
Therefore, use the favourable part of transparent rigid cover 15 to be, it can constitute unit 5 the modular rigid member of a precision size, protects reflector simultaneously, thereby prolongs the period of service of this reflector.
Fig. 2 A and 2B show two corresponding exemplary design 5A and the 5B that solar energy utilizes unit 5, and they are identical except that peripheral shape.Peripheral shape is circular in unit 5A, and is square in unit 5B, and the peripheral shape of unit 5B can be more effectively with a plurality of unit of arranged in arrays.In solar energy utilization system, because the concave of primary reflector 7, unit 5A and 5B seem have mushroom main body 64, and this main body can be formed with leg 62, is beneficial to standardized way this main body is installed.Leg 62 can hold at least a portion of unit mount shown in Figure 1, battery maintaining part and radiating part.
Fig. 3 shows the example of solar energy utilization system 60, and this solar energy utilization system comprises plate 8 and is mounted to the array of a plurality of unit 5B of this plate.Plate 8 is provided with any known follower (not shown) to follow the sun.
A plurality of unit of design can easily be replaced separately when needed according to the present invention, thereby help the maintenance of system.
It is the power wiring that produces for the photoconductive structure 11B by a part as receiver architecture 10B shown in Figure 1 that solar energy utilizes a problem of unit.In order to address this problem, this system has been carried out extra improvement.
As shown in Figure 4, the dorsal part of secondary reflector 9 is provided with groove 100.This groove 100 is oriented to make one of them feather edge of its adjacent prisms 30B and parallel with this feather edge.The size of this groove is set at receive leg 102 (as shown in Figure 6).
Shown in Fig. 5 A, in rigid cover 15, near the hole of establishing, be provided with two openings 104 for prism 30B passes.Described opening is positioned at the central corresponding position with groove 100, and size all is set at lead-in wire 102 can be passed.Perhaps shown in Fig. 5 B, hole 105 can be circle, and reserves near prism 30B for lead-in wire 102 enough spaces of passing, and does not need opening 104.
As shown in Figure 6, be equipped with two lead-in wires 102 in groove 100, an end of each lead-in wire all exposes.Each lead-in wire 102 near the middle part of groove 100 in the position bending corresponding with one of them opening 104.Reflector 9 that combines and prism 30B pass at this prism under the situation in the hole 105 of establishing for it and are mounted to rigid cover 15.Lead-in wire 102 passes opening 104, shown in Fig. 7 A and 7B.
As shown in Figure 8, infrared (IR) circuit 106 that is the photocell form comprises some GaSb batteries 108 that are installed on the aluminium substrate and are connected in series.Two copper strips 110 vertically stretch out and as just going between and bearing lead-in wire from this infrared circuit.As shown in Figure 9, IR circuit 106 is mounted to the bottom of flange-cooled aluminium lid 112, and this aluminium lid is as radiator.114 one-tenth inclined-planes of the lateral edges of this radiator.
Shown in Figure 10 A and 10B, the IR circuit is bonded to the top side 116 of prism 30B.Use suitable bond, for example silicone adhesive.This IR circuit arrangement becomes to make described copper strips to extend on the side of the adjacent grooves 100 of prism 30B downwards, thereby makes the end of described copper strips contact lead-wire 102.
Shown in Figure 11 A to Figure 11 C,, the additional cylindrical radiator that is tank body 118 forms is set in order to improve thermal diffusivity.Tank body 118 becomes the inclined-plane accordingly with the lateral edges 114 of aluminium lid 112 at one end.Edge in the slope one of them or the two on place heat-conduction epoxy resin, and tank body 118 is placed on the aluminium lid 112.Gummed pearl (glue bead) 120 can be applied, shown in Figure 11 B between the top of the bottom of tank body 118 and rigid cover 15.
Be depicted as linearity though it should be noted that described groove, also can adopt other configuration.For example, described groove can be around the bight of prism 30B crooked 90 °, as shown in figure 12.
Allow wiring like this according to improvement of the present invention, that is: lead-in wire is positioned on the inside of rigid cover, pass relevant and be preferably formed in part in this receiver architecture with receiver architecture, and along the join side of (meet) of the part with the IR circuit of prism.
Figure 13 shows one embodiment of the present of invention, wherein a plurality of primary reflectors 7 is molded as single reflector assembly 130.Reflector assembly 130 comprises with the primary reflector 7 such as the chessboard trellis patterned arrangement of grid.Reflector assembly 130 comprises a receiver parts 10A, and these receiver parts are associated with each primary reflector as mentioned above.Reflector assembly 130 is assemblied in the packaging part 132, and uses the volume of single lid 15 encapsulation reflector assembly tops.Lid 15 comprises secondary reflector (not shown) and the receiver parts 10B that quantity equates with the quantity of primary reflector 7, and the focus that they are arranged such that each primary reflector 7 overlaps with the focal point F 2 of corresponding secondary reflector.
Interface and the interface between lid 15 and the packaging part between reflector assembly 130 and the packaging part 132 are sealed, thereby allow to fill the volume that is limited between reflector assembly and the lid with inert gas as mentioned above when expectation.
By a plurality of primary reflectors are molded as single-piece, reduced the cost of making and assembling.These costs have also been reduced by the lid that is formed for all primary reflectors by single-piece.
Should be understood that the chessboard trellis pattern that can adopt other structure, for example honeycomb pattern or the like.
According to a modification, unit 5 is designed so that primary reflector can tolerate the issuable heat owing to the more lip-deep gathered light that reflex to primary reflector from secondary reflector.This can comprise that the plastic base 134 of central (not shown) with holes realizes by making each primary reflector 7, as among Figure 14 A to 14C with respect to shown in the described embodiment of reference Figure 13.It is big that described boring ratio receives the necessary hole of receiver parts 10A.Be close to described hole and be positioned with the frame portion (shelf) 135 concentric (only in Figure 14 C as seen) with this hole.Described plastics are chosen to make and can pass through any traditional approach (for example, the vapour deposition in the vacuum chamber) at plastic plating silver or other any reflecting material.
By making primary reflector 7 in such a way, the major part of reflector can be utilized plastics, and this can pass through the operation manufacturing reflector of cheap and simple more.But also make the integral body of unit lighter.Owing to some that are reflected by secondary reflector 9 are assembled solar energy meeting because of certain non-imaging collector former thereby the receiver parts 10A that accurately do not lead, thereby near the zone the receiver parts 10A may become awfully hot.Therefore, metal dish 136 is set with the heat that in this possibility incident, produces of tolerance, thus operate as normal that can interrupt location 5.
Though the example of the above embodiment that uses with the described embodiment of reference Figure 13 is provided, should notes therefore not limiting, but can be applicable to according to the present invention any solar units of design.
Should be understood that to exist the multiple solar energy that can conceive according to the present invention to utilize unit and solar energy utilization system, and above description only is illustrative.Therefore, making under the situation of necessary change, can implement described solar energy with many aspects and utilize unit and solar energy utilization system, this falls in the scope of the invention.
Claims (24)
1. a solar energy utilizes the unit, this solar energy utilizes the unit to comprise solar radiation concentration optics and solar radiation receiver, this solar radiation receiver comprises the first receiver parts and the second receiver parts, the described first receiver parts are designed to the radiation in the first of solar spectrum is converted into electric energy, and the described second receiver parts are designed to the radiation in the second portion different with described first of solar spectrum is converted into electric energy, described solar radiation concentration optics comprises concave surface primary reflector and convex secondary reflector, described primary reflector is suitable for towards the solar radiation of described secondary reflector reflection incident, described secondary reflector is suitable for the radiation in the described first of solar spectrum is reflexed in the described first receiver parts, and be suitable for making the radiation transmission in the described second portion of solar spectrum to arrive in the described second receiver parts, described primary reflector is formed with the opening that is arranged in central authorities, and the described first receiver parts are suitable for receiving by described secondary reflector radiation reflected by this opening.
2. solar energy according to claim 1 utilizes the unit, it is characterized in that, described first receiver parts and the described second receiver parts comprise corresponding first photoconductive structure and second photoconductive structure.
3. solar energy according to claim 2 utilizes the unit, it is characterized in that, the described first of solar spectrum and described second portion are its visible part and infrared part.
4. solar energy according to claim 3 utilizes the unit, it is characterized in that, the described first of solar spectrum is a visible part, and the described second portion of solar spectrum is an infrared part.
5. solar energy according to claim 2 utilizes the unit, it is characterized in that, in described first receiver parts and the described second receiver parts at least one comprises non-imaging collector, and this collector is used to make the gathering radiation of incident to advance to corresponding photoconductive structure in equally distributed mode.
6. solar energy according to claim 1 utilizes the unit, it is characterized in that, this solar energy utilizes the unit also to comprise the lid of being made by transparent material, described lid is mounted to described primary reflector securely covering its entire emission face, and with respect to described primary reflector and the described first receiver parts and the described second receiver parts described secondary reflector is held in a predetermined position.
7. solar energy according to claim 6 utilizes the unit, it is characterized in that, the volume that forms between described lid, described primary reflector and described solar radiation receiver parts is sealed.
8. solar energy according to claim 7 utilizes the unit, it is characterized in that, described volume accommodates inert gas.
9. solar energy according to claim 1 utilizes the unit, it is characterized in that, this unit comprises and is used to make this unit to point to the autoregistration mechanism of the solar radiation of incident.
10. solar energy according to claim 2 utilizes the unit, it is characterized in that, the described first receiver parts comprise described photoconductive structure and near the radiating part this photoconductive structure, and this radiating part is active or passive.
11. solar energy according to claim 2 utilizes the unit, it is characterized in that, the described second receiver parts comprise a described photoconductive structure and a housing, and this housing is protected described structure and made its insulation, and provide passive cooling for this structure.
12. solar energy according to claim 10 utilizes the unit, it is characterized in that, described radiating part extends internally from described primary reflector.
13. solar energy according to claim 1 utilizes the unit, it is characterized in that, this unit is of a size of and makes this unit grip, to carry and to operate with hand.
14. a solar energy utilization system, this solar energy utilization system comprise that at least one and at least one utilize the unit according to each described solar energy that removably is mounted to described seat in the claim 1 to 13.
15. a solar energy utilization system, this solar energy utilization system comprise integral type reflector assembly and single lid, described integral type reflector assembly has a plurality of primary reflectors according to claim 1.
16. a solar energy utilizes the unit, this solar energy utilizes the unit to comprise solar radiation concentration optics and solar radiation receiver, described receiver is designed to radiation is changed into another form of energy, described solar radiation concentration optics comprises concave surface primary reflector and convex secondary reflector, described primary reflector is suitable for towards the solar radiation of described secondary reflector reflection incident, described secondary reflector is suitable for the described receiver of gathering directing radiation, described primary reflector is formed with the opening that is arranged in central authorities, described receiver is suitable for receiving by described secondary reflector radiation reflected by this opening, wherein, described primary reflector is by making around the central unit of described receiver and the circumferential component of surrounding said central parts, and described central unit is by making than making the more heat-resisting material of the used material of described circumferential component.
17. solar energy according to claim 16 utilizes the unit, it is characterized in that, described circumferential component is that pedestal and described central unit are metal dish, and the surface of described pedestal and described metal dish is suitable for forming continuous surface, to reflect the solar radiation of described incident.
18. solar energy according to claim 17 utilizes the unit, it is characterized in that, described pedestal is made of plastics, and is being suitable for being coated with reflecting material on the surface of in use solar radiation of described incident being reflected at least.
19. an integral type reflector assembly, this reflector assembly comprise a plurality of primary reflectors and single lid, this lid keeps the secondary reflector of a plurality of correspondences, utilizes the unit to form a plurality of solar energy according to claim 16.
20. reflector element, this reflector element comprises first surface and is suitable for carrying the second surface of solar radiation receiver, described first surface is suitable for being reflected in the radiation in the first of solar spectrum and is suitable for towards the radiation of described receiver transmission in the second portion of solar spectrum, wherein, described second surface comprises a groove, and this groove is suitable for receiving the lead-in wire that can be connected to described solar radiation receiver.
21. reflector element according to claim 20 is characterized in that, described second surface comprises at least two not parts of coplane.
22. reflector element according to claim 21 is characterized in that, described solar radiation receiver and described groove are positioned on the part of not coplane of described second surface.
23. reflector element according to claim 20 is characterized in that, described solar radiation receiver is a photocell.
24. reflector element according to claim 20 is characterized in that, this reflector element utilizes the unit to use with solar energy.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/939,357 | 2004-09-14 | ||
| US10/939,357 US7435898B2 (en) | 2003-09-02 | 2004-09-14 | Solar energy utilization unit and solar energy utilization system |
| US60/675,491 | 2005-04-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101138099A true CN101138099A (en) | 2008-03-05 |
| CN100570904C CN100570904C (en) | 2009-12-16 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2005800359653A Expired - Fee Related CN100570904C (en) | 2004-09-14 | 2005-09-14 | Solar energy utilizes unit and solar energy utilization system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101702598A (en) * | 2009-11-16 | 2010-05-05 | 新疆维吾尔自治区新能源研究所 | Reflective light-gathering solar photovoltaic electricity-generating component |
| CN101771370A (en) * | 2009-09-30 | 2010-07-07 | 新疆维吾尔自治区新能源研究所 | Solar power generator realizing multiplied condensation by utilizing secondary reflection method |
| CN102009273A (en) * | 2010-10-25 | 2011-04-13 | 张晋 | Sunlight focusing cutting device by using spinning paraboloidal reflection and secondary condensation of light cone |
| CN102062937A (en) * | 2010-11-19 | 2011-05-18 | 李忠孝 | Solar energy converging method and application thereof in heating and illumination |
| CN102113135A (en) * | 2008-05-12 | 2011-06-29 | 亚利桑那大学董事会 | Photovoltaic generator with a spherical imaging lens for use with a paraboloidal solar reflector |
| CN102214710A (en) * | 2010-04-09 | 2011-10-12 | 范中华 | Concentrated photovoltaic cell and photovoltaic array module having the same |
| CN105579785A (en) * | 2013-07-23 | 2016-05-11 | 桑塞考有限公司 | Device for collecting solar energy |
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2005
- 2005-09-14 CN CNB2005800359653A patent/CN100570904C/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102113135A (en) * | 2008-05-12 | 2011-06-29 | 亚利桑那大学董事会 | Photovoltaic generator with a spherical imaging lens for use with a paraboloidal solar reflector |
| CN102113135B (en) * | 2008-05-12 | 2014-10-22 | 亚利桑那大学董事会 | Photovoltaic generator with a spherical imaging lens for use with a paraboloidal solar reflector |
| CN101771370A (en) * | 2009-09-30 | 2010-07-07 | 新疆维吾尔自治区新能源研究所 | Solar power generator realizing multiplied condensation by utilizing secondary reflection method |
| CN101702598A (en) * | 2009-11-16 | 2010-05-05 | 新疆维吾尔自治区新能源研究所 | Reflective light-gathering solar photovoltaic electricity-generating component |
| CN102214710A (en) * | 2010-04-09 | 2011-10-12 | 范中华 | Concentrated photovoltaic cell and photovoltaic array module having the same |
| CN102009273A (en) * | 2010-10-25 | 2011-04-13 | 张晋 | Sunlight focusing cutting device by using spinning paraboloidal reflection and secondary condensation of light cone |
| CN102062937A (en) * | 2010-11-19 | 2011-05-18 | 李忠孝 | Solar energy converging method and application thereof in heating and illumination |
| CN105579785A (en) * | 2013-07-23 | 2016-05-11 | 桑塞考有限公司 | Device for collecting solar energy |
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| CN100570904C (en) | 2009-12-16 |
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