CN1542378A - Solar energy optical collector - Google Patents
Solar energy optical collector Download PDFInfo
- Publication number
- CN1542378A CN1542378A CNA2003101069294A CN200310106929A CN1542378A CN 1542378 A CN1542378 A CN 1542378A CN A2003101069294 A CNA2003101069294 A CN A2003101069294A CN 200310106929 A CN200310106929 A CN 200310106929A CN 1542378 A CN1542378 A CN 1542378A
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- CN
- China
- Prior art keywords
- reflective mirror
- thermal
- transformation device
- phase transformation
- frame
- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/47—Mountings or tracking
Abstract
The solar light collector is frame and reflectors, 2-1000 planar rectangular reflectors are connected via reflector shaft with bearings and the bearing seats in the frame. The reflectors have different initial angles and each of the reflectors has one end connected to the transmission mechanism and one shaft connected to the upper end of masking board, and the lower part of the masking board is provided with the first heat collecting phase change device and the second heat collecting phase change device on two sides separately. Each of the heat collecting phase change devices has one end connected to one end of driving cylinder separately, and the driving cylinder is provided with piston and connected link rod mechanism. Inside each heat collecting phase change device, there is phase change liquid material. The present invention has simple structure and high wind resistance, may be used to obtain high density light energy and has automatic sun tracking capacity.
Description
Technical field
The present invention relates to a kind of helioplant, particularly relate to a kind of planar solar concentrator.
Background technology
Solar energy is one of important energy.It is a kind of cleaning, the environment-friendly type energy.The solar energy that development and utilization is abundant, wide does not produce pollution to environment, is the additional energy of recent urgent need, is again the basis of future source of energy structure.In the world, the operation technique of solar energy has entered new developing stage.Building and the energy-conservation standard of the sun are being set about formulating by China Ministry of Construction.By " 1999-2015 new forms of energy and renewable sources of energy development plan " that State Economic and Trade Commission formulates, national home dwelling solar energy popularity rate was about 20-30% by 2015,1,500 ten thousand square metres of average year output.Planar solar concentrator is accepted by people gradually, has a good application prospect.In solar energy utilization system, an important technological component is how to collect sunshine expeditiously and change it into heat energy or electric energy, but at present widely used is the small-sized solar water heater that every household is installed separately, not only heat energy utilization is low for this, and each household is installed voluntarily and is influenced urban look, always altogether, cost is also higher.Yearly productive capacity is about 6,000,000 square metres at present, all far can not satisfy the demand from quality and quantity.
The device of solar concentrating utilization at present has many kinds, as groove type solar optical collector, disc type solar energy optical collector etc., mostly they are planar solar concentrator is designed to the translation parabola or the paraboloid of revolution, are used and the sunshine of parallel radiation is gathered into a little or behind the line after reflection.But no matter be slot type, or disc type solar energy optical collector, their complicated process of preparation, cost is higher, is unfavorable for the extensive utilization of solar energy.Chinese patent application number is 00134939.2 to disclose a kind of automatic control orienting reflex solar energy collecting and photothermal conversion device, it is to utilize the level crossing of some bar shapeds or curved mirror to be combined into speculum, and catoptrical direction is carried out orientation by sensor, this invention has solved the difficulty of traditional translation parabola or paraboloid of revolution planar solar concentrator complicated process of preparation, but the miscellaneous part its speculum in optical collector is all complicated as structures such as the support that supports reflective frame, reverberation finders.
Summary of the invention
The objective of the invention is to overcome the deficiency in the existing technology, a kind of planar solar concentrator is provided.
Technical scheme of the present invention is summarized as follows:
Planar solar concentrator, comprise frame, reflective mirror, reflective mirror is a planar rectangular, the bearing liner frame that is provided with on the mirror axle of reflective mirror two ends through having bearing and the frame is connected, reflective mirror is 2～1000, each reflective mirror is different with the inclination angle of frame, the reflective mirror one end mirror axle outside flexibly connects with transmission mechanism, the mirror axle of any of reflective mirror is connected with the shadow shield upper end, bottom, shadow shield two sides is respectively arranged with the first thermal-arrest phase transformation device, the second thermal-arrest phase transformation device, and thermal-arrest phase transformation device is cylindric, the sealing of one end, one end of the first thermal-arrest phase transformation device is connected with an end of driving cylinder by conduit, and an end of the second thermal-arrest phase transformation device is connected with the other end of driving cylinder by conduit, is provided with piston in the driving cylinder, be connected the first thermal-arrest phase transformation device on the one side of piston with jointed gear unit, be provided with the phase-change liquid material in the second thermal-arrest phase transformation device.
Below frame, can be provided with support.Preferably one on support, be arranged on one of frame vertical with the major axis of reflective mirror below.
Can be provided with governor motion on the support.
Reflective mirror can select 3～800, also can select 10～100.
The phase-change liquid material is C
1～C
8One of organic compound.
The phase-change liquid material is C
1～C
8Two kinds of organic compound or three kinds mixture.
The phase-change liquid material is C
1～C
8The mixture of the arbitrary proportion of organic compound.
Organic compound is one of alkane, alkene, alkynes, cycloalkane, halogenated hydrocarbons, alcohol, ether, ketone, as: pentane, hexane, anti--the 2-amylene, suitable-the 2-amylene, 1-pentyne, valerylene, 2-methyl isophthalic acid, one of 3-butadiene, pentamethylene, carrene, chloroform, tetrachloromethane, bromoethane, benzene, methyl alcohol, ethanol, ether, acetone.
Advantage of the present invention is:
(1) simple in structure, only can realize the control of a plurality of planar rectangular reflective mirrors with a controller, can reduce the preparation difficulty significantly;
(2) improve light harvestingization easily, and then obtain high fluence density luminous energy;
(3) manufacture and design installation simply, can reduce the cost of planar solar concentrator significantly;
(4) the present invention is made of several rectangular reflective mirrors, is not a huge integral body, so whole planar solar concentrator wind loading rating increases substantially, cleaning, maintenance, maintenance work during daily use are easy to carry out.
(5) the present invention has the function from the motion tracking sunshine, has improved the efficient of optical collector greatly.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is mirror axle and bearing liner frame connection diagram among the present invention.
Fig. 3 is the structural representation of another embodiment of the invention.
The specific embodiment
The present invention is further illustrated below in conjunction with accompanying drawing.
Planar solar concentrator, frame 10 with a planar rectangular, the two ends of the reflective mirror 8 of planar rectangular are provided with mirror axle 7, mirror axle 7 is connected by the bearing liner frame 12 of setting on bearing 11 and the frame 10, reflective mirror 8 can be more than 2, below 1000 arbitrarily, the reflective surface setting of each reflective mirror 8 is different with the initial angle of frame 10, when mounted, the skyborne certain of light that will reflect according to the reflective surface of each reflective mirror 8 accumulates focal line, regulate the initial angle of each reflective mirror 8 and frame 10, the outside of the mirror axle 7 of one end of reflective mirror 8 and transmission mechanism 13 flexibly connect, transmission mechanism 13 can be selected chain mechanism, sprocket wheel link chain mechanism or gear-box mechanism, the mirror axle 7 of any of reflective mirror 8 is connected with the upper end of shadow shield 1, bottom, shadow shield 1 two sides is respectively arranged with the first thermal-arrest phase transformation device 2, the second thermal-arrest phase transformation device 3, one end of the first thermal-arrest phase transformation device 2 is connected with an end of driving cylinder 4 by conduit 14, one end of the second thermal-arrest phase transformation device 3 is connected with the other end of driving cylinder 4 by conduit 14, be provided with piston 5 in the driving cylinder 4, be connected the first thermal-arrest phase transformation device 2 on the one side of piston 5 with jointed gear unit 6, be provided with phase-change liquid material 9 in the second thermal-arrest phase transformation device 3.
Phase-change liquid material 9 for normal temperature and pressure down or the organic compound that is in a liquid state under the pressure-fired, little negative pressure, as C
1～C
8One of organic compound also can be C
1～C
8Two kinds of organic compound or three kinds mixture, can also be C
1～C
8The mixture of the arbitrary proportion of organic compound.
Organic compound is one of alkane, alkene, alkynes, cycloalkane, halogenated hydrocarbons, alcohol, ether, ketone.As: pentane, hexane, heptane, octane, anti--the 2-amylene, suitable-the 2-amylene, 2-heptene, 2-octene, 1-pentyne, valerylene, 2-methyl isophthalic acid, one of 3-butadiene, pentamethylene, carrene, chloroform, tetrachloromethane, bromoethane, benzene, methyl alcohol, ethanol, ether, acetone.
Utilize the solar heat phase change expansion principle of medium to be: when solar radiation during to the first thermal-arrest phase transformation device 2, because blocking of shadow shield 1, the second thermal-arrest phase transformation device 3 can not be subjected to the sunlight direct projection, at this moment, the heat that the first thermal-arrest phase transformation device 2 receives is high than the second thermal-arrest phase transformation device 3, phase-change liquid material 9 vaporization of being heated, the pressure that produces is also higher, the piston 5 that promotes in the driving cylinder 4 rotates with sunshading board 1 and mirror axle 7 through jointed gear unit 6 drives, mirror axle 7 drives the rotation of each reflective mirrors 8 through transmission mechanism 13, carry out solar azimuth from motion tracking.
In Fig. 3, if be connected in the middle part of the one side with jointed gear unit 6 and frame 10,, utilize identical principle one side being connected of the upper end of shadow shield 1 and frame 10 is supported in an end of driving cylinder 4 on the ground, can carry out the altitude of the sun angle tracking.
Can be provided with support below the frame.
Support can be set to one, be arranged on the frame vertical with the major axis of rectangular reflective mirror below.On support, can be provided with governor motion, can regulate automatically, as utilize solar energy tracking device to regulate; Also can manual adjustments, to adapt to the areal Various Seasonal, the variation of solar energy elevation angle.
The present invention and photovoltaic/thermal converter are united use, can be widely used in the electric power in places such as residential building, hotel, swimming pool and domestic hot-water, heating of house, and can be used for heat supply water, power supply etc. in desalinization, the industrial and agricultural production.
Claims (7)
1. planar solar concentrator, comprise frame, reflective mirror, described reflective mirror is a planar rectangular, it is characterized in that: the bearing liner frame that is provided with on the mirror axle of described reflective mirror two ends through having bearing and the frame is connected, described reflective mirror is 2～1000, described each reflective mirror is different with the initial angle of described frame, the described reflective mirror one end mirror axle outside flexibly connects with transmission mechanism, the mirror axle of any of described reflective mirror is connected with the shadow shield upper end, bottom, shadow shield two sides is respectively arranged with the first thermal-arrest phase transformation device, the second thermal-arrest phase transformation device, one end of the described first thermal-arrest phase transformation device is connected with an end of driving cylinder by conduit, one end of the described second thermal-arrest phase transformation device is connected with the other end of driving cylinder by conduit, be provided with piston in the described driving cylinder, be connected the described first thermal-arrest phase transformation device on the one side of piston with jointed gear unit, be provided with the phase-change liquid material in the second thermal-arrest phase transformation device.
2. planar solar concentrator according to claim 1 is characterized in that described reflective mirror is 3～800.
3. planar solar concentrator according to claim 2 is characterized in that described reflective mirror is 10～100.
4. planar solar concentrator according to claim 1 is characterized in that described phase-change liquid material is C
1～C
8One of organic compound.
5. planar solar concentrator according to claim 1 is characterized in that described phase-change liquid material is C
1～C
8Two kinds of organic compound or three kinds mixture.
6. planar solar concentrator according to claim 1 is characterized in that described phase-change liquid material is C
1～C
8The mixture of the arbitrary proportion of organic compound.
7. according to the described planar solar concentrator of one of claim 4 to 6, it is characterized in that described organic compound is one of alkane, alkene, alkynes, cycloalkane, halogenated hydrocarbons, alcohol, ether, ketone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2003101069294A CN1542378A (en) | 2003-11-06 | 2003-11-06 | Solar energy optical collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2003101069294A CN1542378A (en) | 2003-11-06 | 2003-11-06 | Solar energy optical collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1542378A true CN1542378A (en) | 2004-11-03 |
Family
ID=34334292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2003101069294A Pending CN1542378A (en) | 2003-11-06 | 2003-11-06 | Solar energy optical collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1542378A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100426531C (en) * | 2006-12-22 | 2008-10-15 | 天津大学 | Light focusing type solar energy electrothermal combined using device |
| CN104613657A (en) * | 2015-02-03 | 2015-05-13 | 中国华能集团清洁能源技术研究院有限公司 | Fresnel solar thermal power generation vertical heat absorber device |
-
2003
- 2003-11-06 CN CNA2003101069294A patent/CN1542378A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100426531C (en) * | 2006-12-22 | 2008-10-15 | 天津大学 | Light focusing type solar energy electrothermal combined using device |
| CN104613657A (en) * | 2015-02-03 | 2015-05-13 | 中国华能集团清洁能源技术研究院有限公司 | Fresnel solar thermal power generation vertical heat absorber device |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |