CN101949598B - Dual rotating paraboloid reflective parallel light focusing solar water heater - Google Patents
Dual rotating paraboloid reflective parallel light focusing solar water heater Download PDFInfo
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- CN101949598B CN101949598B CN2010105006877A CN201010500687A CN101949598B CN 101949598 B CN101949598 B CN 101949598B CN 2010105006877 A CN2010105006877 A CN 2010105006877A CN 201010500687 A CN201010500687 A CN 201010500687A CN 101949598 B CN101949598 B CN 101949598B
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- China
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- receiving mechanism
- gathering receiving
- salar light
- reflective mirror
- paraboloid
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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
- Y02E10/44—Heat exchange systems
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- Optical Elements Other Than Lenses (AREA)
Abstract
The invention discloses a dual rotating paraboloid reflective parallel light focusing solar water heater. Parallel light with several times of solar light intensity and uniform intensity is formed under the reflective focusing action of rotating paraboloids and irradiated on solar receiving equipment so as to greatly improve the solar receiving efficiency and realize collection and receiving of solar energy under the environments of intense light and weak light.
Description
Affiliated technical field:
The present invention relates to a kind of Application of Solar Energy technology; Particularly a kind of dual rotary parabolic reflector directional light focused solar energy water heater that utilizes paraboloid of revolution optically focused principle to receive solar energy; This device receives solar energy through the reflective focussing force of the paraboloid of revolution, can significantly improve the receiving efficiency of solar energy.
Background technology:
Solar energy is a kind of clean energy resource, and is inexhaustible, nexhaustible, also can not cause environmental pollution; Nowadays; No matter in coastal cities, still in inland city, solar product gets into people's the visual field just more and more; Solar street light, solar lawn lamp, solar energy garden lamp, solar corridor lamp, bus station's desk lamp, traffic lights or the like, various solar water heaters have also been walked close to huge numbers of families.But these solar product great majority all do not have light-focusing function, cause solar energy utilization ratio low.The light intensity on solar energy receiving element surface doubles; The receiving efficiency of solar energy receiving element will double; The focus of solar energy industry technology competition at present mainly is the battle of solar energy receiving efficiency; It is thus clear that improve receiving efficiency to whole industry significance level, therefore can effectively improve the intensity of illumination of solar energy receiving element, just become the problem of paying close attention to the most when people utilize solar energy.
In recent years, in the photovoltaic matrix of some solar power stations, realized the Salar light-gathering reception abroad, domestic also have similar experimental rig, but these apparatus structures are complicated, bulky, cost is high-leveled and difficult on the solar domestic product, to obtain popularization.
Summary of the invention:
In order to overcome shortcomings such as existing beam condensing unit complicated in mechanical structure, bulky, cost height. the present invention is directed to the deficiency that prior art exists; Prior art is improved, proposed the Salar light-gathering receiving system that a kind of volume is little, simple and reliable for structure, cost is low, the optically focused reception that it can realize solar energy.
The technical solution adopted for the present invention to solve the technical problems is: a plurality of Salar light-gathering receiving mechanisms have been installed in a rectangular box; Each Salar light-gathering receiving mechanism all is made up of a big paraboloid of revolution reflective mirror, a little paraboloid of revolution reflective mirror and a luminous energy receiver; Each Salar light-gathering receiving mechanism proper alignment is in rectangular box; Structure and each item of the big paraboloid of revolution reflective mirror of each Salar light-gathering receiving mechanism are measure-alike; Structure and each item of the little paraboloid of revolution reflective mirror of each Salar light-gathering receiving mechanism are measure-alike; Structure and each item of the luminous energy receiver of each Salar light-gathering receiving mechanism are measure-alike, on rectangular box, are stamped a planar transparent cover plate, and the planar transparent cover plate is enclosed in each Salar light-gathering receiving mechanism in the rectangular box; A water tank has been installed above rectangular box
The big paraboloid of revolution reflective mirror of each Salar light-gathering receiving mechanism and the opening of the little paraboloid of revolution reflective mirror focusing mutually overlap; The opening direction of the big paraboloid of revolution reflective mirror of each Salar light-gathering receiving mechanism is identical; The opening direction of the big paraboloid of revolution reflective mirror of each Salar light-gathering receiving mechanism is over against the planar transparent cover plate; The symmetry axis of the big paraboloid of revolution reflective mirror of each Salar light-gathering receiving mechanism is parallel to each other; The focus of the big paraboloid of revolution reflective mirror of each Salar light-gathering receiving mechanism is positioned on the same plane parallel with the planar transparent cover plate; The symmetry axis of the big paraboloid of revolution reflective mirror of each Salar light-gathering receiving mechanism is all vertical each other with the planar transparent cover plate
The luminous energy receiver of each Salar light-gathering receiving mechanism all is made of a hollow heat conduction cavity of disc; Top at the big paraboloid of revolution reflective mirror of each Salar light-gathering receiving mechanism has a light incident circular hole; The luminous energy receiver of each Salar light-gathering receiving mechanism is installed on the light incident circular hole of big paraboloid of revolution reflective mirror of this Salar light-gathering receiving mechanism; The opening of the little paraboloid of revolution reflective mirror of each Salar light-gathering receiving mechanism is over against the daylighting plane of the hollow heat conduction cavity of disc of this Salar light-gathering receiving mechanism luminous energy receiver
The Salar light-gathering receiving mechanism is divided into many groups; Each hollow heat conduction cavity of disc of organizing each luminous energy receiver of Salar light-gathering receiving mechanism all is serially connected through a heat pipe; Each upper end of organizing the heat pipe of Salar light-gathering receiving mechanism communicates with water tank through hot-water line; Each lower end of organizing the heat pipe of Salar light-gathering receiving mechanism communicates with water tank through cold water pipe; When the hollow heat conduction cavity of the disc of each luminous energy receiver is heated under solar light irradiation; Water in the water tank flows into the hollow heat conduction cavity of disc through the lower end of the hollow heat conduction cavity of the disc of each luminous energy receiver and the upper end reflow tank of hollow heat conduction cavity, between the hollow heat conduction cavity of the disc of water tank and each luminous energy receiver, forms the convection current of hot and cold water from disc
When sunshine during perpendicular to the incident of planar transparent cover plate; Incident ray is radiated on the hollow heat conduction cavity of disc of each luminous energy receiver through the big paraboloid of revolution reflective mirror of each Salar light-gathering receiving mechanism and the reflective focusing formation parallel rays of little paraboloid of revolution reflective mirror; The luminous energy that is radiated on the hollow heat conduction cavity of disc of each luminous energy receiver converts heat energy into through the hollow heat conduction cavity of the disc of each luminous energy receiver; Significantly improve the sun light intensity on the hollow heat conduction cavity of the disc that is radiated at each luminous energy receiver through the big paraboloid of revolution reflective mirror of each Salar light-gathering receiving mechanism and the reflective focussing force of little paraboloid of revolution reflective mirror, thereby significantly improved the photo-thermal conversion ratio of each luminous energy receiver.
The invention has the beneficial effects as follows: the reflective focussing force through each paraboloid of revolution reflective mirror has significantly improved the sun light intensity that is radiated on each luminous energy receiver; Thereby significantly improved the photo-thermal conversion ratio of each luminous energy receiver, realized that higher photo-thermal conversion ratio is all arranged under the environment of the high light and the low light level.
Description of drawings:
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Fig. 1 is overall structure figure of the present invention.
Fig. 2 is the A-A cutaway view of the overall structure figure of the embodiment of the invention.
Fig. 3 is the enlarged drawing of the Salar light-gathering receiving mechanism cutaway view of the embodiment of the invention.
Fig. 4 is the sketch map of the paraboloid of revolution.
In the paraboloid of revolution pie graph of Fig. 4: paraboloid of revolution S, the directrix plane S1 of the paraboloid of revolution, the summit O of the paraboloid of revolution, the focus f of the paraboloid of revolution, the symmetry axis L of the paraboloid of revolution.
The specific embodiment
25 Salar light-gathering receiving mechanisms have been installed in the rectangular box 3-1 in Fig. 1 and Fig. 2; The proper alignment of 25 Salar light-gathering receiving mechanisms is in rectangular box 3-1; Structure and each item of the big parabolic cylinder reflective mirror of 25 Salar light-gathering receiving mechanisms are measure-alike; Structure and each item of the little parabolic cylinder reflective mirror of 25 Salar light-gathering receiving mechanisms are measure-alike, and structure and each item of the luminous energy receiver of 25 Salar light-gathering receiving mechanisms are measure-alike, on rectangular box 3-1, are stamped a planar transparent cover plate 4-1; Planar transparent cover plate 4-1 is enclosed in 25 Salar light-gathering receiving mechanisms in the rectangular box 3-1
25 Salar light-gathering receiving mechanisms are divided into five groups; The luminous energy receiver of each group all is serially connected through a heat pipe; The lower end of the heat pipe of the luminous energy receiver of each group communicates with water tank 8-1 through cold water pipe 9-1-2; The upper end of the heat pipe of the luminous energy receiver of each group communicates with water tank 8-1 through hot-water line 9-1-1
The first Salar light-gathering receiving mechanism is made up of big paraboloid of revolution reflective mirror 1-1-1, little paraboloid of revolution reflective mirror 1-2-1 and luminous energy receiver 1-3-1 in Fig. 3; Luminous energy receiver 1-3-1 is made up of the hollow heat conduction cavity of disc 5-1; The hollow heat conduction cavity of disc 5-1 is serially connected through heat pipe 9-1-3 and the hollow heat conduction cavity of other four discs on the same group; The lower end of heat pipe 9-1-3 communicates with water tank 8-1 through cold water pipe 9-1-2; The upper end of heat pipe 9-1-3 communicates with water tank 8-1 through hot-water line 9-1-1; The relative focal line of opening of big paraboloid of revolution reflective mirror 1-1-1 and little paraboloid of revolution reflective mirror 1-2-1 overlaps; Top at big paraboloid of revolution reflective mirror 1-1-1 has a light incident circular hole, and luminous energy receiver 1-3-1 is installed on the light incident circular hole of big paraboloid of revolution reflective mirror 1-1-1, and the opening of big paraboloid of revolution reflective mirror 1-1-1 is over against planar transparent cover plate 4-1; The disc hollow heat conduction cavity 5-1 of the opening of little paraboloid of revolution reflective mirror 1-2-1 on the luminous energy receiver 1-3-1
When sunshine during perpendicular to planar transparent cover plate 4-1 incident; Incident ray forms parallel rays and is radiated on the hollow heat conduction cavity of the disc 5-1 behind the reflect focalization of big paraboloid of revolution reflective mirror 1-1-1 and little paraboloid of revolution reflective mirror 1-2-1; The luminous energy that is radiated on the hollow heat conduction cavity of the disc 5-1 converts heat energy into through the hollow heat conduction cavity of disc 5-1; Reflective focussing force through big paraboloid of revolution reflective mirror 1-1-1 and little paraboloid of revolution reflective mirror 1-2-1 has significantly improved the sun light intensity that is radiated on the hollow heat conduction cavity of the disc 5-1; Thereby significantly having improved the photo-thermal conversion ratio of luminous energy receiver 1-3-1, the structure of above-mentioned each Salar light-gathering receiving mechanism, each item size, operation principle and luminous energy receiving course are identical with the first Salar light-gathering receiving mechanism.
Claims (1)
1. dual rotary parabolic reflector directional light focused solar energy water heater; Constitute by rectangular box, water tank, cold water pipe, hot-water line, planar transparent cover plate and Salar light-gathering receiving mechanism; It is characterized in that: a plurality of Salar light-gathering receiving mechanisms have been installed in a rectangular box; Each Salar light-gathering receiving mechanism all is made up of a big paraboloid of revolution reflective mirror, a little paraboloid of revolution reflective mirror and a luminous energy receiver; Each Salar light-gathering receiving mechanism proper alignment is in rectangular box; Structure and each item of the big paraboloid of revolution reflective mirror of each Salar light-gathering receiving mechanism are measure-alike, and structure and each item of the little paraboloid of revolution reflective mirror of each Salar light-gathering receiving mechanism are measure-alike, and structure and each item of the luminous energy receiver of each Salar light-gathering receiving mechanism are measure-alike; On rectangular box, be stamped a planar transparent cover plate; The planar transparent cover plate is enclosed in each Salar light-gathering receiving mechanism in the rectangular box, and a water tank has been installed above rectangular box
The big paraboloid of revolution reflective mirror of each Salar light-gathering receiving mechanism and the opening of little paraboloid of revolution reflective mirror is relative and focus overlaps; The opening direction of the big paraboloid of revolution reflective mirror of each Salar light-gathering receiving mechanism is identical; The opening direction of the big paraboloid of revolution reflective mirror of each Salar light-gathering receiving mechanism is over against the planar transparent cover plate; The symmetry axis of the big paraboloid of revolution reflective mirror of each Salar light-gathering receiving mechanism is parallel to each other; The focus of the big paraboloid of revolution reflective mirror of each Salar light-gathering receiving mechanism is positioned on the same plane parallel with the planar transparent cover plate; The symmetry axis of the big paraboloid of revolution reflective mirror of each Salar light-gathering receiving mechanism is all vertical each other with the planar transparent cover plate
The luminous energy receiver of each Salar light-gathering receiving mechanism all is made of a hollow heat conduction cavity of disc; Top at the big paraboloid of revolution reflective mirror of each Salar light-gathering receiving mechanism has a light incident circular hole; The luminous energy receiver of each Salar light-gathering receiving mechanism is installed on the light incident circular hole of big paraboloid of revolution reflective mirror of this Salar light-gathering receiving mechanism; The opening of the little paraboloid of revolution reflective mirror of each Salar light-gathering receiving mechanism is over against the daylighting plane of the hollow heat conduction cavity of disc of the luminous energy receiver of this Salar light-gathering receiving mechanism
The Salar light-gathering receiving mechanism is divided into many groups; Each hollow heat conduction cavity of disc of organizing each luminous energy receiver of Salar light-gathering receiving mechanism all is serially connected through a heat pipe; Each upper end of organizing the heat pipe of Salar light-gathering receiving mechanism communicates with water tank through hot-water line; Each lower end of organizing the heat pipe of Salar light-gathering receiving mechanism communicates with water tank through cold water pipe; When the hollow heat conduction cavity of the disc of each luminous energy receiver is heated under solar light irradiation; Water in the water tank flows into the hollow heat conduction cavity of disc through the lower end of the hollow heat conduction cavity of the disc of each luminous energy receiver and the upper end reflow tank of hollow heat conduction cavity, between the hollow heat conduction cavity of the disc of water tank and each luminous energy receiver, forms the convection current of hot and cold water from disc
When sunshine during perpendicular to the incident of planar transparent cover plate; Incident ray is radiated on the hollow heat conduction cavity of disc of each luminous energy receiver through the big paraboloid of revolution reflective mirror of each Salar light-gathering receiving mechanism and the reflective focusing formation parallel rays of little paraboloid of revolution reflective mirror; The luminous energy that is radiated on the hollow heat conduction cavity of disc of each luminous energy receiver converts heat energy into through the hollow heat conduction cavity of the disc of each luminous energy receiver; Significantly improve the sun light intensity on the hollow heat conduction cavity of the disc that is radiated at each luminous energy receiver through the big paraboloid of revolution reflective mirror of each Salar light-gathering receiving mechanism and the reflective focussing force of little paraboloid of revolution reflective mirror, thereby significantly improved the photo-thermal conversion ratio of each luminous energy receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105006877A CN101949598B (en) | 2010-09-30 | 2010-09-30 | Dual rotating paraboloid reflective parallel light focusing solar water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105006877A CN101949598B (en) | 2010-09-30 | 2010-09-30 | Dual rotating paraboloid reflective parallel light focusing solar water heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101949598A CN101949598A (en) | 2011-01-19 |
| CN101949598B true CN101949598B (en) | 2012-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010105006877A Expired - Fee Related CN101949598B (en) | 2010-09-30 | 2010-09-30 | Dual rotating paraboloid reflective parallel light focusing solar water heater |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4143640A (en) * | 1975-05-08 | 1979-03-13 | Massachusetts Institute Of Technology | Venetian-blind solar collector |
| CN2044702U (en) * | 1988-12-22 | 1989-09-20 | 中国科学院广州能源研究所 | Combined focus type solar water heater |
| CN2205945Y (en) * | 1994-08-31 | 1995-08-23 | 蒋根弟 | Solar focusing heat collector with composite paraboloid |
| JP2002228271A (en) * | 2001-02-05 | 2002-08-14 | Exedy Corp | Reflection surface member for solar heat collecting device and its manufacturing method |
| CN2665612Y (en) * | 2003-07-21 | 2004-12-22 | 黄鸣 | Composite paraboloid light-gathering collector |
| JP2005114342A (en) * | 2003-09-19 | 2005-04-28 | Showa Denko Kk | Installation structure of compound parabolic concentrator type reflection plate, solar heat collector, operation method for solar heat collector, radiation cooler and operation method for radiation cooler |
| CN2702239Y (en) * | 2004-03-25 | 2005-05-25 | 郭少白 | Sunlight collector |
| CN201314707Y (en) * | 2008-04-17 | 2009-09-23 | 万斌 | Solar double-dish-face heat-energy power generating device |
| CN201844579U (en) * | 2010-09-30 | 2011-05-25 | 北京印刷学院 | Solar water heater with parallel light focusing by means of double-rotating-parabolic reflection |
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2010
- 2010-09-30 CN CN2010105006877A patent/CN101949598B/en not_active Expired - Fee Related
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| CN101949598A (en) | 2011-01-19 |
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Granted publication date: 20120222 Termination date: 20130930 |