CN201926146U - Uniformly-focused solar-energy collecting system - Google Patents
Uniformly-focused solar-energy collecting system Download PDFInfo
- Publication number
- CN201926146U CN201926146U CN2010206873282U CN201020687328U CN201926146U CN 201926146 U CN201926146 U CN 201926146U CN 2010206873282 U CN2010206873282 U CN 2010206873282U CN 201020687328 U CN201020687328 U CN 201020687328U CN 201926146 U CN201926146 U CN 201926146U
- Authority
- CN
- China
- Prior art keywords
- mirror
- plane mirror
- complex
- thermal
- aggregator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
Landscapes
- Optical Elements Other Than Lenses (AREA)
- Photovoltaic Devices (AREA)
Abstract
The utility model provides a uniformly-focused solar-energy collecting system, which comprises a converging device and a heat collector, wherein the converging device comprises a mirror frame with a groove-shaped installing surface and a planar reflecting-mirror complex, the planar reflecting-mirror complex comprises a planar reflecting mirror I and a planar reflecting mirror II, the planar reflecting mirror I and the planar reflecting mirror II are hinged to form a hinge structure, an included angle alpha between the planar reflecting mirror I and the planar reflecting mirror II is 160-180 degrees, and a hinge shaft of the planar reflecting-mirror complex is vertical to an axis of the mirror frame; the heat collector is arranged in a ray-converging area of the converging device; and rectangular reflecting faculae are formed by the planar reflecting-mirror complex, so that incident rays parallel to a symmetric axis of the converging device are converged on a heat-collecting pipe positioned on a focal line in the ray-converging area to form the faculae with uniform and controllable converging multiples, the uniformly-focused solar-energy collecting system can operate at full power for a long time under the condition of no tracking or only simple tracking, the cost of an adopted planar mirror is low, and the degree of the manufacturing difficulty is low.
Description
Technical field
The utility model relates to a kind of solar collecting device, particularly a kind of have eliminate one dimension tracking system light oblique fire and cause the focal line sidesway, can adopt a cover driving control system to realize the even Columnating type solar receiving system that planar is expanded.
Background technology
Solar energy is as a kind of new forms of energy, inexhaustible, nexhaustible, simultaneously because solar energy is a kind of energy of cleaning, when development and use, can produce waste residue, waste water, waste gas, not have a noise yet, more can not influence the ecological balance, can never pollute and public hazards,, widely be favored by people therefore in today that height is advocated environmental protection.The development and use of solar energy have a period of time, in order to obtain more energy, higher system's running temperature, high temperature solar system at present all adopts reflective mirror to converge collection solar energy, and reflective mirror adopts the curved mirror of paraboloidal mostly, perhaps by the compound reflective mirror combination of a plurality of curved surfaces such as parabola, involute surface, wherein typical with the slot type system at present, have market scale most, the commercialization degree is the highest.At present extensive Columnating type solar gathering system in order to solve the problem that hot spot is lost in the sun process of following the tracks of, must adopt higher high-precision of cost, and is equipped with complicated control algolithm and in interior servo-control system it is followed the tracks of control; At present general in the world solar tracking system mostly needs to store PLC into according to the information such as angle at the different moment sun places of the every day in the information calculations such as longitude and latitude 1 year of laying a little, in single-chip microcomputer or the computer dispatch control system, just by calculating position of sun according to celestial movement rule to realize tracking, this kind control strategy is called the astronomical model tracking strategy, adopt the system of astronomical model control, need information such as local longitude and latitude data and correct time, even the parameters such as concrete angle that lens array is installed all can influence system's operation to a great extent, need to gather mass data before the installation, in case install, just inconvenience is moved or mounting or dismounting, has moved just must reset data and adjust each parameter at every turn; And this kind control strategy usually perplexs by the influence that changes solar day in 1 year, is difficult to solve; Adopt the tracking system of control strategies such as real time sensor, usually because the weather conditions of complexity etc. are run flies, reliability is challenged; High-precision tracking system principle, circuit, technology, equipment are all very complicated, and the layman can not at will operate, and have increased the cost and the technical difficulty of accurate tracking greatly; Simultaneously, adopt the mirror surface of continuous curve surface mirror as aggregator, must adopt extensive precisely mould to carry out processing and manufacturing, production difficulty and cost are all higher, and fragile, are not easy to safeguard, in order to improve intensity, increase huge auxiliary body.
Tracing mode generally is divided into one dimension follows the tracks of and the two-dimensional tracking pattern, and from simplex angle, two-dimensional tracking can be collected more multipotency, from extensive mirror rink corner degree, has no longer had very big advantage, and the cost height, and difficulty is big; The one dimension tracing mode exists early, when evening or winter, Xiayang light oblique fire, and array end hot spot shifts out heat collector and has no facular area (being called end hot spot sidesway), and reduces the systematic collection ability, particularly short array, and end hot spot sidesway influences bigger.
At above-mentioned deficiency, need to explore a kind of new slot type CSP solar attachment, make it on the basis that keeps original function, improve and overcome above-mentioned shortcoming.
Summary of the invention
In view of this, the utility model provides a kind of slot type CSP solar attachment, makes it avoid adopting large stretch of continuous curve surface mirror as aggregator, reduces the cost of manufacture of aggregator greatly; Simultaneously, optimal design aggregator and heat collector relative parameter, only need to adopt simple and easy tracking, even can not realize the long capacity operation of solar attachment under the situation of Gen Zonging, avoid adopting the servo tracking system of the complicated control algolithm of high accuracy of complex and expensive, strengthen the universality of this solar energy collecting system, reduce manufacture difficulty and cost; Except carrying out sunlight to the heat collector axis converges in lens array group end, also adopt and preceding a kind of vertical design of converging of converging, weakening even eliminating end hot spot sidesway influences.
The purpose of this utility model is achieved through the following technical solutions: a kind of even Columnating type solar gathering system, comprise aggregator and heat collector, described aggregator comprises that installed surface is the mirror holder of groove shape, be arranged on the plane mirror complex on the mirror holder, the plane mirror complex comprises plane mirror I and plane mirror II, plane mirror I and plane mirror II are along the hinged formation closing structure of jointed shaft, angle α between plane mirror I and the plane mirror II is 160 °～180 °, the jointed shaft of plane mirror complex and the axis normal of mirror holder; Described heat collector is arranged in the aggregator light assembling area.
Further, described plane mirror complex is at least two, is symmetricly set on and forms the reflective mirror array on the mirror holder;
Further, the installed surface of described mirror holder is paraboloidal or the V font that combined by two planes.
Further, described heat collector is the surperficial thermal-collecting tube that the transform light energy absorbed layer is set, and the axis of thermal-collecting tube overlaps with the focal line of aggregator light assembling area, and thermal-collecting tube is provided with the transparent vacuum bucket of an end opening outward;
Further, described thermal-collecting tube is at least two, and the setting parallel to each other of its axis;
Further, the jointed shaft two ends of crossing the plane mirror complex with the axis of thermal-collecting tube perpendicular and with angle β that tangent two straight lines in thermal-collecting tube surface form be that 0.1 degree～23.5 is spent;
Further, also comprise tracking system, the 2-level reducer that described tracking system comprises the drive motors of configuration axis light photoelectric coder, the first class reducer that links to each other with drive motors, link to each other with first class reducer by power transmission shaft, three grades of worm speed reducers that link to each other with 2-level reducer and final drive shaft, three grades of worm speed reducers link to each other with final drive shaft by rocking arm.
The beneficial effects of the utility model are:
First, even Columnating type solar gathering system of the present invention, compare with traditional solar energy collecting system, aggregator has adopted a plurality of plane mirror complexs to combine, and each plane mirror complex forms uniform strip flare, make the light that is parallel to the incident of aggregator symmetry axis accurately converge on the heat collector, formation converge multiple even and controlled converge hot spot, for the solar panel that converges the multiple sensitivity being provided a comparatively ideal reflector that converges, the thermal-collecting tube that also helps the photo-thermal conversion is worked reliably and with long-term.
Second, the heat collector size, the size of plane mirror complex and the parameters such as relative position between them can be carried out the systematization design optimization as required, particularly according to the actual condition needs, can design angle β is between 0.1 degree～23.5 degree, realize that sun incident orientation angle is when changing, even depart from aggregator symmetry axis plane certain angle, the aggregator reflected sunlight is incided on the heat collector, continue to receive solar energy, thereby can guarantee that even Columnating type solar gathering system of the present invention do not following the tracks of or only carrying out under the situation of simple and easy tracking capacity operation for a long time, eliminate or greatly reduce the control difficulty of tracking system, saved and controlled cost, improved operational efficiency;
The 3rd, because solar energy collecting system of the present invention adopts the plane mirror complex to carry out solar energy converging, the aggregator of traditional relatively solar energy adopts the continuous curve surface mirror, the present invention adopts the common plane mirror to arrange, form approximate optical reflector of curved surface aggregator, avoid adopting and make the curved mirror mould, greatly reduce the production cost of aggregator; Simultaneously, greatly reduce technical difficulty and technology cost in the work progress.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described;
Accompanying drawing 1 is the structural representation of embodiment 1;
Accompanying drawing 4 is the distributed architecture figure of plane mirror complex 2 on mirror holder 1 of embodiment 1;
Accompanying drawing 5 is the heat collector schematic diagram;
Accompanying drawing 6 is the transmission mechanism schematic diagram of the utility model tracking system.
The specific embodiment
Accompanying drawing 1 is the structural representation of embodiment 1; Accompanying drawing 2 is the structural representation of embodiment 2; Accompanying drawing 3 is the structural representation of plane mirror complex 2; Accompanying drawing 4 is the distributed architecture figure of plane mirror complex 2 on mirror holder 1 of embodiment 1; Accompanying drawing 5 is the heat collector schematic diagram; Accompanying drawing 6 is the transmission mechanism schematic diagram of the utility model tracking system.As shown in the figure: a kind of even Columnating type solar gathering system, comprise aggregator and heat collector, described aggregator comprises the mirror holder 1 that is groove shape, is arranged on the plane mirror complex 2 on the mirror holder 1, plane mirror complex 2 comprises plane mirror I 21 and plane mirror II 22, plane mirror I 21 and plane mirror II 22 are along jointed shaft 23 hinged formation closing structures, angle α between plane mirror I 21 and the plane mirror II 22 is 160 °～180 °, the jointed shaft 23 of plane mirror complex 2 and the axis normal of mirror holder 1; Described heat collector is arranged in the aggregator light assembling area.
Embodiment 1,
The even Columnating type solar gathering system of present embodiment, comprise aggregator and heat collector, described aggregator comprises that installed surface is the mirror holder 1 and the plane mirror complex 2 that is arranged on the mirror holder 1 of paraboloidal, plane mirror complex 2 comprises plane mirror I 21 and plane mirror II 22, plane mirror I 21 and plane mirror II 22 are along jointed shaft 23 hinged formation closing structures, concrete distribution situation be (shown in a Figure of description 4): the plane mirror I 21 of mirror holder 1 mid portion plane mirror complex vertically and the angle α between the plane mirror II 22 are 180 ° (plane mirror I 21 and plane mirror II 22 are positioned at same plane at this moment, equivalence is a big plane mirror mirror), the plane mirror I 21 of the plane mirror complex at mirror holder 1 axial two ends and the angle α between the plane mirror II 22 are 160 °, and (this moment, plane mirror I 21 and plane mirror II 22 formed the v font, this structure can effectively weaken the sunshine oblique fire to aggregator, heat collector one end that causes the top of aggregator end does not have launching spot, other end launching spot exceeds the oblique fire hot spot sidesway effect of heat collector, reflection ray is converged on the heat collector), the jointed shaft 23 of plane mirror complex 2 and the axis normal of mirror holder 1; Described heat collector is arranged in the aggregator light assembling area.In the present embodiment, described plane mirror complex 2 is 36, is distributed in the parabola of mirror holder 1, forms array.The even Columnating type solar gathering system of present embodiment, compare with traditional solar energy collecting system, aggregator has adopted a plurality of plane mirror complexs to combine, can be according to the heat collector size, the size of plane mirror monomer, the isoparametric different designs of distance between aggregator and the gatherer and adjust the position and the angle of each plane mirror complex or every monolithic plane mirror separately, make the light that is parallel to the incident of aggregator symmetry axis accurately converge on the thermal-collecting tube, it is even that multiple is converged in formation, controlled hot spot, collect solar energy to greatest extent, make it in sun relative motion process, can guarantee the capacity operation that even Columnating type solar gathering system of the present invention can 4-8 hours under the situation of not following the tracks of, eliminated the control difficulty of tracking system, saved and controlled cost, improved operational efficiency; And, because the solar energy collecting system of present embodiment adopts the plane mirror monomer to carry out solar energy converging, the aggregator of traditional relatively solar energy adopts curved mirror, it is old that present embodiment employing common plane mirror monomer is arranged in row, form approximate optical reflector of curved surface aggregator, avoid adopting curved mirror to make mould, greatly reduce the production cost of aggregator; Simultaneously, because the position and the angle of level crossing monomer can be adjusted as required flexibly, greatly reduce technical difficulty and technology cost in the work progress.
The even Columnating type solar gathering system of present embodiment, comprise aggregator and heat collector, described aggregator comprises installed surface mirror holder 1 that is in the shape of the letter V and the plane mirror complex 2 that is arranged on the mirror holder 1, plane mirror complex 2 comprises plane mirror I 21 and plane mirror II 22, plane mirror I 21 and plane mirror II 22 are along jointed shaft 23 hinged formation closing structures, angle α between plane mirror I 21 and the plane mirror II 22 is 170 °, and (plane mirror complex 2 is a symmetrical V font at this moment, axis along mirror holder 1 is arranged), adopt V font plane mirror complex 2 can prevent that the morning or sunshine from converging the deviation of generation the period in the afternoon, reflection ray is converged on the heat collector, the jointed shaft 23 of plane mirror complex 2 and the axis normal of mirror holder 1; Described heat collector is arranged in the aggregator light assembling area.In the present embodiment, described plane mirror complex 2 is 36, is distributed in the V font installed surface of mirror holder 1, forms array.Adopt the technical scheme of present embodiment, when not adopting tracking system, can reach capacity operation 3 to 6 hours every days.The technical scheme of present embodiment except the above-mentioned advantage that embodiment 1 is arranged, also has the easy to manufacture of mirror holder 1, and construction requirement is low, and low cost and other advantages is saved in control easily.
As the further improvement to above-mentioned two embodiment, described heat collector is the surperficial thermal-collecting tube 3 that the transform light energy absorbed layer is set, and the axis of thermal-collecting tube 3 overlaps with the focal line of aggregator light assembling area, the thermal-collecting tube 3 outer transparent vacuum buckets 31 that an end opening is set; In the present embodiment, described heat collector surface is provided with the photo-thermal conversion film, and the transform light energy that is used for thermal-collecting tube is absorbed is that thermal energy transfer is given working medium, is used; Certainly, the transform light energy absorbed layer is not limited to the photo-thermal conversion film, also can be the comprehensive conversion coatings of other luminous energy such as photoelectricity conversion coating.Transparent vacuum bucket 31 is used for outer insulation, reduces the thermal-collecting tube thermal loss.
As the further improvement to above-mentioned two embodiment, described thermal-collecting tube 3 is at least two, and its axis be arranged in parallel.Thermal-collecting tube 3 is 5 in the present embodiment, wherein a thermal-collecting tube axis overlaps with the aggregator focal line, all the other four thermal-collecting tubes are distributed in around it, can be at an angle the time at incident ray and aggregator symmetry axis, the light that incident is come also can converge on the thermal-collecting tube, the light hit rate is provided, reduces the tracking accuracy requirement, improve conversion of solar energy.
As the further improvement to above-mentioned two embodiment, jointed shaft 23 two ends of crossing plane mirror complex 2 are perpendicular and be 8 to spend with angle β that tangent two straight lines in thermal-collecting tube 3 surfaces form with the axis of thermal-collecting tube 3.The rationally position and the angle of control plane reflective mirror complex to reduce the control system required precision, are not even followed the tracks of control or are carried out simple and easy tracking control and can realize long-time capacity operation.
As further improvement to above-mentioned two embodiment, also comprise tracking transmission system, described tracking transmission system comprises: drive motors 4, first class reducer 5, one-level power transmission shaft, 2-level reducer 6, secondary drive shaft, three grades of worm speed reducers 7, final drive shaft 8 and rocking arms of being equipped with the axis light photoelectric coder.Drive motors 4 directly links to each other with first class reducer 5, first class reducer 5 links to each other with 2-level reducer 6 by one-level power transmission shaft 10,2-level reducer 6 links to each other by 11 3 grades of worm speed reducers of secondary drive shaft 7, three grades of worm speed reducers 7 link to each other with final drive shaft 8 by rocking arm, and aggregator and heat collector are fixed on the final drive shaft 8.First class reducer 5 can stretch out the one-level power transmission shaft to 2 directions, links to each other with 2-level reducer 6; 2-level reducer 6 can stretch out secondary drive shaft to 2 directions, link to each other with three grades of worm speed reducers 7, and secondary drive shaft can be passed the next three grades of worm speed reducers 7 of three grades of worm speed reducers, 7 continuation expansion connections.Motor passes to final drive shaft 8 through 2 grades of decelerations and 3 grades of decelerations with power, drives lens array (eyeglass and mirror holder) and thermal-collecting tube 3 motions, follows the tracks of sun operation, harvest energy; After the rotation of motor was slowed down through one-level, slowly run in the formation (tens of rpms rotating speeds) can pass through mechanical drive shaft, realized that a motor drags many set of contact lenses main shaft array at a distance; Adopt worm speed reducer, can realize expanding extension to 4 vertical directions in the plane, drag different lens arrays; Reductor is connected by the crank rocking arm with the transmission main shaft that lens array is installed, and by optimal design crank rocking arm length parameter, can eliminate uneven moment of torsion, makes transmission system be in very little uneven torque condition.
Explanation is at last, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of the power claimed range of the present utility model.
Claims (7)
1. even Columnating type solar gathering system, comprise aggregator and heat collector, it is characterized in that: described aggregator comprises that installed surface is the mirror holder of groove shape (1), be arranged on the plane mirror complex (2) on the mirror holder (1), plane mirror complex (2) comprises plane mirror I (21) and plane mirror II (22), plane mirror I (21) and plane mirror II (22) are along the hinged formation closing structure of jointed shaft (23), angle α between plane mirror I (21) and the plane mirror II (22) is 160 °～180 °, the jointed shaft (23) of plane mirror complex (2) and the axis normal of mirror holder (1); Described heat collector is arranged in the aggregator light assembling area.
2. even Columnating type solar gathering system according to claim 1 is characterized in that: described plane mirror complex (2) is at least two, is symmetricly set on mirror holder (1) and goes up formation reflective mirror array.
3. even Columnating type solar gathering system according to claim 1 is characterized in that: the installed surface of described mirror holder (1) is paraboloidal or the V font that combined by two planes.
4. even Columnating type solar gathering system according to claim 1, it is characterized in that: described heat collector is provided with the thermal-collecting tube (3) of transform light energy absorbed layer for the surface, the axis of thermal-collecting tube (3) overlaps with the focal line of aggregator light assembling area, the outer transparent vacuum bucket (31) that an end opening is set of thermal-collecting tube (3).
5. even Columnating type solar gathering system according to claim 1 is characterized in that: described thermal-collecting tube (3) is at least two, and the setting parallel to each other of its axis.
6. even Columnating type solar gathering system according to claim 1 is characterized in that: the jointed shaft two ends of crossing plane mirror complex (2) with the axis of thermal-collecting tube (3) perpendicular and with angle β that tangent two straight lines in thermal-collecting tube (3) surface form be that 0.1 degree～23.5 is spent.
7. even Columnating type solar gathering system according to claim 1, it is characterized in that: also comprise tracking system, described tracking system comprises the drive motors (4) of configuration axis light photoelectric coder, the first class reducer (5) that links to each other with drive motors, by 2-level reducer (6), the three grades of worm speed reducers (7) that link to each other with 2-level reducer and final drive shaft (8) that power transmission shaft links to each other with first class reducer, three grades of worm speed reducers link to each other with final drive shaft (8) by rocking arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206873282U CN201926146U (en) | 2010-12-29 | 2010-12-29 | Uniformly-focused solar-energy collecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206873282U CN201926146U (en) | 2010-12-29 | 2010-12-29 | Uniformly-focused solar-energy collecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201926146U true CN201926146U (en) | 2011-08-10 |
Family
ID=44429993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206873282U Expired - Fee Related CN201926146U (en) | 2010-12-29 | 2010-12-29 | Uniformly-focused solar-energy collecting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201926146U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102072563A (en) * | 2010-12-29 | 2011-05-25 | 李忠双 | Uniformly-focusing type solar energy collection system |
-
2010
- 2010-12-29 CN CN2010206873282U patent/CN201926146U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102072563A (en) * | 2010-12-29 | 2011-05-25 | 李忠双 | Uniformly-focusing type solar energy collection system |
| CN102072563B (en) * | 2010-12-29 | 2014-03-12 | 李忠双 | Uniformly-focusing type solar energy collection system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101236287A (en) | Heliostat device | |
| CN205119523U (en) | Light collecting solar energy high temperature heating device of fresnel transmission | |
| WO2005043049A1 (en) | A device for collecting and use solar energy | |
| CN101251641B (en) | Transparent type solar energy condenser | |
| CN102620442A (en) | Solar heat collector based on groove type parabolic mirror and artificial blackbody | |
| CN101872063A (en) | Conical concentrating system | |
| CN101655287A (en) | Optical collector with multi-section circular arc | |
| CN102721195B (en) | Solar condensation and tracking array horizontal directional collection system | |
| CN102252441A (en) | Heat collecting system for high-order focusing integrated light | |
| CN101329112A (en) | Central receiving type high temperature solar heat collecting system of light funnel light gathering orienting light transmission | |
| CN202660771U (en) | Solar energy spotlight tracing array horizontal oriented collection device | |
| CN102116535B (en) | Fresnel medium-high temperature solar heat collecting device | |
| CN102072563B (en) | Uniformly-focusing type solar energy collection system | |
| CN101419333A (en) | Combination concentration and power generation unit of concave reflecting mirror | |
| CN201926146U (en) | Uniformly-focused solar-energy collecting system | |
| CN202583585U (en) | High-multiplying linear Fresnel condenser | |
| CN201936194U (en) | Sunlight automatic tracking condensation device based on double paraboloids | |
| CN103292481A (en) | Large point-focusing orientation tracking solar energy collection device | |
| CN103836809A (en) | Multi-disk confocal tower Fresnel solar concentrator system | |
| CN202558667U (en) | Mobile point-array solar seawater desalination system | |
| CN101576320A (en) | Solar power generation universal optical collector | |
| CN201467017U (en) | Solar power generation universal optical collector | |
| CN203758042U (en) | Multiple-disk confocal tower-type Fresnel solar light condensing system | |
| CN102749934A (en) | Automatic tracker for sunlight | |
| CN103293653B (en) | A kind of high magnification linear Fresnel beam condensing unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110810 Termination date: 20121229 |