CN104698577A - Focus-fixed aspheric solar concentrator - Google Patents
Focus-fixed aspheric solar concentrator Download PDFInfo
- Publication number
- CN104698577A CN104698577A CN201310663873.6A CN201310663873A CN104698577A CN 104698577 A CN104698577 A CN 104698577A CN 201310663873 A CN201310663873 A CN 201310663873A CN 104698577 A CN104698577 A CN 104698577A
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- China
- Prior art keywords
- condenser
- spherical reflector
- truss
- driver
- focus
- 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.)
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
- G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
- G02B19/0019—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having reflective surfaces only (e.g. louvre systems, systems with multiple planar reflectors)
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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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
- G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
- G02B19/0038—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with ambient light
- G02B19/0042—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with ambient light for use with direct solar radiation
-
- 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
- G02B7/1821—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors for rotating or oscillating mirrors
-
- 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
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Toxicology (AREA)
- Health & Medical Sciences (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Photovoltaic Devices (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
The invention relates a focus-fixed aspheric solar concentrator which comprises spherical reflectors, a truss, a driver, a support and a control box. The spherical reflectors are mounted on the truss and spliced into an integral aspheric concentrator surface. The vertexes of the spherical reflectors are located in the integral aspheric concentrator surface, so that the normal direction of the vertex of each spherical reflector is consistent with the normal direction of the integral aspheric concentrator surface at the point. The truss is fixedly connected with the driver. The driver is mounted on the support. The driver drives the truss and drives the whole concentrator to rotate and pitch under the control of the control box.
Description
Technical field
The present invention relates to solar energy heat utilization field, particularly the fixed aspheric surface solar condenser of a kind of focus.
Background technology
Solar energy thermal-power-generating (CSP) and the utilization of middle high-temperature hot are the importances of Solar use, its basic process is: utilize solar condenser to follow the tracks of the sun by solar radiation to heat sink, thus acquisition high temperature heat, recycling heat energy carries out the generating of routine heat or in other, high temperature utilizes.Therefore, solar condenser is the key element that in solar energy thermal-power-generating and sun power, high temperature utilizes system, and its optical efficiency and focusing ratio determine the maximum temperature that the utilization ratio of sun power and system can reach.
Whether solar condenser moves with condenser by focus can be divided into the fixed and trailing type two kinds of focus, the fixed condenser of focus mainly contains tower condenser and linear Fresnel condenser, focus trailing type condenser mainly contains parabolic trough type condenser, parabolic dish-style condenser and multi-disc type condenser, and the application relates generally to tower condenser (being also referred to as heliostat).
At present, the condenser face shape for tower condenser system has two types usually: integral planar mirror or the approximate spherical mirror be spliced by small reflector.Integral planar mirror does not possess light gathering, and its light gathering efficiency and focusing ratio are all lower.The approximate spherical mirror be spliced by small reflector has certain light gathering, but by sphere astigmatic influence, within the year-round operation time, its spot size changes greatly, and is unfavorable for that heat dump receives.In addition, limit by processing technology and cost, current small reflector many employings flat glass catoptron, the condenser focusing ratio be spliced by it is lower; In order to improve focusing ratio, need to reduce mirror size, but this can aggravate gap loss again, reducing light gathering efficiency.
In order to improve focusing ratio, also having in prior art and making flat glass mirror deformation be the method for curved reflector by external force.The condenser be spliced by curved reflector increases at focusing ratio, but flat glass catoptron under external force, and reflecting surface exists fluctuating, and surface figure accuracy is very poor, can cause serious scattering loss, and the percentage of damage of glass reflector is higher.
Summary of the invention
The object of the invention is to overcome the defect that solar condenser of the prior art cannot meet in focusing ratio, optical efficiency and processing cost simultaneously, thus provide a kind of on the basis of existing processing technology and processing cost, effectively can improve focusing ratio and optical efficiency bulky grain solar condenser.
To achieve these goals, the invention provides the fixed aspheric surface solar condenser of a kind of focus, comprise spherical reflector 2, truss 3, driver 4, support 5 and control box 6; Wherein,
Described spherical reflector 2 is arranged on described truss 3, described spherical reflector 2 splices aspheric condenser mirror 1 in aggregates, the summit of described spherical reflector 2 is positioned at described overall aspherical condenser face 1, makes the normal direction on described spherical reflector 2 summit consistent in this normal direction with the aspheric condenser mirror of described entirety 1; Described truss 3 connects firmly with described driver 4, and described driver 4 is arranged on described support 5, and under the control of described control box 6, described driver 4 drives described truss 3 and drives whole condenser mirror 1 to do and rotates and luffing.
In technique scheme, described spherical reflector 2 comprises sphere white glass 8, reflectance coating 10 and diaphragm 11.
In technique scheme, the quantity of described spherical reflector 2 is more than three.
In technique scheme, the shape of described spherical reflector 2 is rectangle or regular hexagon or circle, and its vertex curvature radius is 2 times of whole focus fixed aspheric surface solar condenser focal length.
In technique scheme, the minute surface profile of described condenser mirror 1 is orthogonal or circular.
In technique scheme, described spherical reflector 2 is arranged on described truss 3 and comprises: mirror holder 12 and described spherical reflector 2 are bondd by adhesive special, then described mirror holder 12 be arranged on described truss 3.
In technique scheme, described truss 3 is arranged on described driver 4 by elbow 14; Wherein, the upper surface 13 of described support 5 overlaps with the lower surface of elbow 14 and connects firmly, and upper surface 15 and the described driver 4 of described elbow 14 connect firmly, and the normal direction of upper surface 15 is consistent with the rotation centerline 16 of described driver 4 target axle.
The invention has the advantages that:
1, the spot size of the fixed aspheric surface solar condenser of focus of the present invention in whole year operation process changes comparatively plane or sphere condenser and greatly reduces, and this is conducive to the reception of heat dump to hot spot, thus effectively improves optical efficiency and the focusing ratio of condenser.
2, the present invention adopts caustic surface shape to be aspheric solar condenser, solves the sphere condenser difficult problem that spot size is large under large angle incidence condition, effectively improves the year optical efficiency and focusing ratio of the fixed solar condenser of focus; Aspheric surface caustic surface adopts small size spherical reflector to be spliced, and under the prerequisite meeting aspheric surface condenser performance, reduces difficulty of processing and the manufacturing cost of aspheric condenser.
Accompanying drawing explanation
Fig. 1 is focus of the present invention fixed aspheric surface solar condenser one-piece construction figure;
Fig. 2 is the schematic diagram of spherical reflector;
Fig. 3 a, 3b are the difference splicing profile schematic diagram of caustic surface in the fixed aspheric surface solar condenser of focus of the present invention;
Fig. 4 is the connection schematic diagram of spherical reflector and truss;
Fig. 5 is focus of the present invention fixed aspheric surface solar condenser and the sphere condenser facula area of the prior art change comparison diagram with incident angle.
Drawing explanation
1 condenser mirror 2 spherical reflector 3 truss
4 driver 5 support 6 control boxs
8 sphere white glass 10 reflectance coating 11 diaphragms
Upper surface 14 elbow of 12 mirror holder 13 supports 5
The rotation centerline of the upper surface 16 driver 4 target axle of 15 elbows 14
The fixed aspheric surface solar condenser of 17 focus within the year-round operation time facula area with the change curve of incident angle
18 sphere condensers within the year-round operation time facula area with the change curve of incident angle
Embodiment
Now the invention will be further described by reference to the accompanying drawings.
As shown in Figure 1, the fixed aspheric surface solar condenser of focus of the present invention comprises: spherical reflector 2, truss 3, driver 4, support 5 and control box 6; Wherein, described spherical reflector 2 is arranged on truss 3, all spherical reflectors 2 splice aspheric condenser mirror 1 in aggregates, the summit of described spherical reflector 2 is positioned at overall aspherical condenser face 1, makes the normal direction on described spherical reflector 2 summit consistent in this normal direction with the aspheric condenser mirror of entirety 1; Described truss 3 connects firmly with described driver 4, and described driver 4 is arranged on described support 5, and under the control of described control box 6, described driver 4 drives truss 3 and drives whole condenser mirror 1 to do and rotates and luffing.
Below all parts in this condenser is described further.
As shown in Figure 2, described spherical reflector 2 comprises sphere white glass 8, reflectance coating 10 and diaphragm 11 successively; Described reflectance coating 10 can adopt silver, aluminum or aluminum alloy is made, and its reflectivity should reach more than 90%.The size of described spherical reflector 2 is less than the size of overall aspheric caustic surface mirror 1; The quantity of spherical reflector 2 is more than or equal to 4; The vertex curvature radius of spherical reflector 2 equals 2 times of focus of the present invention fixed aspheric surface solar condenser focal length.The shape of described spherical reflector 2 can be multiple, as rectangle, regular hexagon, circle or other shape.In the present embodiment, described spherical reflector 2 is rectangle.
The condenser mirror 1 that described spherical reflector 2 is spliced can have multiple minute surface profile, rectangular profile as shown in Figure 3 a, or sub-circular profile as shown in Figure 3 b.
Described truss 3 uses steel or aluminum alloy materials to process, by welding and hinged formation entirety.
When described spherical reflector 2 is arranged on truss 3, as shown in Figure 4, by adhesive special, mirror holder 12 and spherical reflector 2 are bondd, then mirror holder 12 is arranged on truss 3.In installation process, the position of spherical reflector 2 and angle of inclination are all adjustable.
Described driver 4 required electric power can be provided by power transmission cable, also on condenser of the present invention, can install photovoltaic power generation apparatus separately, provide electric power by photovoltaic power generation apparatus.
The upper surface 13 of support 5 and plane-parallel, be provided with elbow 14 above, and lower end and the ground of support 5 connect firmly, and support 5 can be tower cylinder or steel frame construction.The lower surface of elbow 14 overlaps with the upper surface 13 of support 5 and connects firmly, and upper surface 15 and the driver 4 of elbow 14 connect firmly, and the normal direction of upper surface 15 is consistent with the rotation centerline 16 of driver 4 target axle.
Control box 6 can be arranged on support 5, also can be arranged on the position of other handled easily.Control box 6 can adopt wireless or wire communication with the communication of master control room.
As shown in Figure 5, under equal conditions analog computation focus of the present invention fixed aspheric surface solar condenser and sphere condenser within the year-round operation time facula area with the change curve of incident angle, wherein, curve 17 represent the fixed aspheric surface solar condenser of focus of the present invention within the year-round operation time facula area with the change of incident angle, curve 18 represent sphere condenser within the year-round operation time facula area with the change of incident angle, by relatively finding, the change of spot size within the whole year of focus of the present invention fixed aspheric surface solar condenser is more even, variable quantity is far smaller than sphere condenser, this is conducive to the reception of heat dump to hot spot, thus improve optical efficiency and focusing ratio.
It should be noted last that, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted.Although with reference to embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, modify to technical scheme of the present invention or equivalent replacement, do not depart from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (7)
1. the fixed aspheric surface solar condenser of focus, is characterized in that, comprises spherical reflector (2), truss (3), driver (4), support (5) and control box (6); Wherein,
Described spherical reflector (2) is arranged on described truss (3), described spherical reflector (2) splices aspheric condenser mirror (1) in aggregates, the summit of described spherical reflector (2) is positioned at described overall aspherical condenser face (1), makes the normal direction on described spherical reflector (2) summit consistent in this normal direction with the aspheric condenser mirror of described entirety (1); Described truss (3) and described driver (4) connect firmly, described driver (4) is arranged on described support (5), under the control of described control box (6), described driver (4) drives described truss (3) and drives whole condenser mirror (1) to do and rotates and luffing.
2. the fixed aspheric surface solar condenser of focus according to claim 1, is characterized in that, described spherical reflector (2) comprises sphere white glass (8), reflectance coating (10) and diaphragm (11).
3. the fixed aspheric surface solar condenser of focus according to claim 1, is characterized in that, the quantity of described spherical reflector (2) is more than three.
4. the fixed aspheric surface solar condenser of focus according to claim 1, it is characterized in that, the shape of described spherical reflector (2) is rectangle or regular hexagon or circle, and its vertex curvature radius is 2 times of whole focus fixed aspheric surface solar condenser focal length.
5. the fixed aspheric surface solar condenser of focus according to claim 1, is characterized in that, the minute surface profile of described condenser mirror (1) is orthogonal or circular.
6. the fixed aspheric surface solar condenser of focus according to claim 1, it is characterized in that, described spherical reflector (2) is arranged on described truss (3) and comprises: mirror holder (12) and described spherical reflector (2) are bondd by adhesive special, then described mirror holder (12) be arranged on described truss (3).
7. the fixed aspheric surface solar condenser of focus according to claim 1, is characterized in that, described truss (3) is arranged on described driver (4) by elbow (14); Wherein, the upper surface (13) of described support (5) overlaps with the lower surface of elbow (14) and connects firmly, upper surface (15) and the described driver (4) of described elbow (14) connect firmly, and the normal direction of upper surface (15) is consistent with the rotation centerline (16) of described driver (4) target axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310663873.6A CN104698577B (en) | 2013-12-08 | 2013-12-08 | A kind of fixed aspherical solar condenser of focus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310663873.6A CN104698577B (en) | 2013-12-08 | 2013-12-08 | A kind of fixed aspherical solar condenser of focus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104698577A true CN104698577A (en) | 2015-06-10 |
| CN104698577B CN104698577B (en) | 2017-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310663873.6A Active CN104698577B (en) | 2013-12-08 | 2013-12-08 | A kind of fixed aspherical solar condenser of focus |
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| CN (1) | CN104698577B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107272176A (en) * | 2017-06-29 | 2017-10-20 | 大连宏海新能源发展有限公司 | A kind of solar energy dish-style condenser system and its design method |
| CN109100849A (en) * | 2018-09-25 | 2018-12-28 | 孙骞 | A kind of the detour reflective mirror and application method of link-type adjustable angle |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4110009A (en) * | 1975-12-19 | 1978-08-29 | Bunch Jesse C | Heliostat apparatus |
| JPH09280664A (en) * | 1996-04-15 | 1997-10-31 | Aisin Seiki Co Ltd | Solar thermal light collection device |
| CN101017033A (en) * | 2006-12-27 | 2007-08-15 | 中国科学院电工研究所 | Supporter device of heliostat |
| CN101303270A (en) * | 2008-05-26 | 2008-11-12 | 中国科学院电工研究所 | Surface shape calibrating method of spherical surface sun heliostat |
| CN101345496A (en) * | 2007-07-09 | 2009-01-14 | 上海华达运新能源科技有限公司 | Spherical mirror combination type concentration power generation apparatus |
| US20110079269A1 (en) * | 2009-10-06 | 2011-04-07 | Brightleaf Technologies, Inc. | Non-parabolic solar concentration to an area of controlled flux density conversion system and method |
| CN102043228A (en) * | 2010-11-01 | 2011-05-04 | 哈尔滨工业大学 | Stable support device for autorotation-elevation angle tracking mode heliostat |
| CN102545704A (en) * | 2011-12-28 | 2012-07-04 | 刘振中 | Concentrating solar power generation system |
| CN202522759U (en) * | 2012-04-18 | 2012-11-07 | 南京科远自动化集团股份有限公司 | Solar collection device |
| CN102789046A (en) * | 2012-07-30 | 2012-11-21 | 中国科学技术大学 | Multi-plane reflecting mirror solar energy condensation device |
| CN202583586U (en) * | 2012-05-07 | 2012-12-05 | 中海阳新能源电力股份有限公司 | Parabolic disc type solar focusing system consisting of spherical reflectors |
| CN203606561U (en) * | 2013-12-08 | 2014-05-21 | 首航节能光热技术股份有限公司 | Focus-fixed aspheric solar concentrator |
-
2013
- 2013-12-08 CN CN201310663873.6A patent/CN104698577B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4110009A (en) * | 1975-12-19 | 1978-08-29 | Bunch Jesse C | Heliostat apparatus |
| JPH09280664A (en) * | 1996-04-15 | 1997-10-31 | Aisin Seiki Co Ltd | Solar thermal light collection device |
| CN101017033A (en) * | 2006-12-27 | 2007-08-15 | 中国科学院电工研究所 | Supporter device of heliostat |
| CN101345496A (en) * | 2007-07-09 | 2009-01-14 | 上海华达运新能源科技有限公司 | Spherical mirror combination type concentration power generation apparatus |
| CN101303270A (en) * | 2008-05-26 | 2008-11-12 | 中国科学院电工研究所 | Surface shape calibrating method of spherical surface sun heliostat |
| US20110079269A1 (en) * | 2009-10-06 | 2011-04-07 | Brightleaf Technologies, Inc. | Non-parabolic solar concentration to an area of controlled flux density conversion system and method |
| CN102043228A (en) * | 2010-11-01 | 2011-05-04 | 哈尔滨工业大学 | Stable support device for autorotation-elevation angle tracking mode heliostat |
| CN102545704A (en) * | 2011-12-28 | 2012-07-04 | 刘振中 | Concentrating solar power generation system |
| CN202522759U (en) * | 2012-04-18 | 2012-11-07 | 南京科远自动化集团股份有限公司 | Solar collection device |
| CN202583586U (en) * | 2012-05-07 | 2012-12-05 | 中海阳新能源电力股份有限公司 | Parabolic disc type solar focusing system consisting of spherical reflectors |
| CN102789046A (en) * | 2012-07-30 | 2012-11-21 | 中国科学技术大学 | Multi-plane reflecting mirror solar energy condensation device |
| CN203606561U (en) * | 2013-12-08 | 2014-05-21 | 首航节能光热技术股份有限公司 | Focus-fixed aspheric solar concentrator |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107272176A (en) * | 2017-06-29 | 2017-10-20 | 大连宏海新能源发展有限公司 | A kind of solar energy dish-style condenser system and its design method |
| CN109100849A (en) * | 2018-09-25 | 2018-12-28 | 孙骞 | A kind of the detour reflective mirror and application method of link-type adjustable angle |
| CN109100849B (en) * | 2018-09-25 | 2021-05-14 | 孙骞 | Connecting rod type angle-adjustable reflecting mirror for bend and use method |
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| Publication number | Publication date |
|---|---|
| CN104698577B (en) | 2017-12-05 |
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