CN101968277B - Solar water heater based on parabolic cylinder concentrated cylindrical surface closed cavity lighting - Google Patents
Solar water heater based on parabolic cylinder concentrated cylindrical surface closed cavity lighting Download PDFInfo
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- CN101968277B CN101968277B CN2010105241453A CN201010524145A CN101968277B CN 101968277 B CN101968277 B CN 101968277B CN 2010105241453 A CN2010105241453 A CN 2010105241453A CN 201010524145 A CN201010524145 A CN 201010524145A CN 101968277 B CN101968277 B CN 101968277B
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- heat pipe
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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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- Photovoltaic Devices (AREA)
Abstract
The invention discloses a solar water heater based on parabolic cylinder condensation and cylindrical surface closed cavity lighting. The solar water heater receives the solar energy by utilizing the reflection and focusing action of a parabolic cylinder surface, can greatly improve the solar energy receiving rate, can be used for realizing the solar energy collection and receiving in the environments of hard 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 parabolic cylinder optically focused face of cylinder closed housing daylighting solar water heater that utilizes parabolic cylinder optically focused principle to receive solar energy; This device receives solar energy through the reflective focussing force of reflective surface, 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 parabolic cylinder reflective mirror and a luminous energy receiver; Each Salar light-gathering receiving mechanism proper alignment is in rectangular box; A water tank has been installed above rectangular box; 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 the opening of the parabolic cylinder reflective mirror of each Salar light-gathering receiving mechanism is over against the planar transparent cover plate; The focal line of the parabolic cylinder reflective mirror of each Salar light-gathering receiving mechanism is parallel to each other; The focal line of the parabolic cylinder reflective mirror of each Salar light-gathering receiving mechanism is positioned on the same plane parallel with the planar transparent cover plate, and the luminous energy receiver of each Salar light-gathering receiving mechanism is installed on the focal line of parabolic cylinder reflective mirror of this Salar light-gathering receiving mechanism
The luminous energy receiver of each Salar light-gathering receiving mechanism all is made of a long straight hollow heat pipe in the face of cylinder and a long straight semi-cylindrical transparent light guide lid; The axis direction of hollow heat pipe all has the identical light entrance slit of long straight width and the semi-cylindrical transparent light guide of each luminous energy receiver is covered on this light entrance slit on the face of cylinder, hollow heat pipe upper edge, the face of cylinder; The lower end of the hollow heat pipe in the face of cylinder of each luminous energy receiver communicates with water tank by a cold water pipe; The upper end of the hollow heat pipe in the face of cylinder of each luminous energy receiver communicates with water tank by a hot-water line; The hollow heat pipe of the semi-cylindrical transparent light guide lid and the face of cylinder of each Salar light-gathering receiving mechanism constitutes a closed cavities
The focal line of the axis of the hollow heat pipe in the face of cylinder of each Salar light-gathering receiving mechanism luminous energy receiver and the parabolic cylinder reflective mirror of this Salar light-gathering receiving mechanism is parallel to each other; The both sides of the plane of symmetry of the parabolic cylinder reflective mirror that is positioned at this Salar light-gathering receiving mechanism of the hollow heat pipe symmetry in the face of cylinder of each Salar light-gathering receiving mechanism luminous energy receiver; The light entrance slit of the hollow heat pipe in the face of cylinder of each Salar light-gathering receiving mechanism is over against the reflective surface of the parabolic cylinder reflective mirror of this Salar light-gathering receiving mechanism; The focal line of the light entrance slit of the hollow heat pipe of the axis and the face of cylinder of the semi-cylindrical transparent light guide lid of each Salar light-gathering receiving mechanism luminous energy receiver and the parabolic cylinder reflective mirror of this Salar light-gathering receiving mechanism overlaps
When sunshine during perpendicular to the incident of planar transparent cover plate; The light entrance slit that can both pass the hollow heat pipe in the face of cylinder behind the reflect focalization of incident ray through the parabolic cylinder reflective mirror of each Salar light-gathering receiving mechanism is radiated in the hollow heat pipe in the face of cylinder of each luminous energy receiver; The interior luminous energy of the hollow heat pipe in the face of cylinder that is radiated at each luminous energy receiver converts heat energy into through the hollow heat pipe in the face of cylinder of each luminous energy receiver; Closed cavities of the hollow heat pipe formation of the semi-cylindrical transparent light guide lid and the face of cylinder because of each luminous energy receiver; And the light entrance slit of the hollow heat pipe in the face of cylinder is very narrow; The major part that gets into the luminous energy of light entrance slit changes heat energy in closed cavities, therefore 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 parabolic cylinder reflective mirror has significantly improved the sun light intensity that is radiated on the luminous energy receiver; Thereby significantly improved the photo-thermal conversion ratio of 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 overall structure figure of the present 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 parabolic cylinder.
In the parabolic cylinder pie graph of Fig. 4: parabola L, directrix L1, summit O, focus f, symmetry axis L2, parabolic cylinder S, directrix plane S1, plane of symmetry S2, focal line L3.
The specific embodiment:
In Fig. 1 and Fig. 2; The Salar light-gathering receiving mechanism one that is made up of parabolic cylinder reflective mirror 1-1-1 and luminous energy receiver 1-2-1 has been installed in rectangular box 3-1; The Salar light-gathering receiving mechanism two that constitutes by parabolic cylinder reflective mirror 1-1-2 and luminous energy receiver 1-2-2; The Salar light-gathering receiving mechanism three that constitutes by parabolic cylinder reflective mirror 1-1-3 and luminous energy receiver 1-2-3; The Salar light-gathering receiving mechanism four that constitutes by parabolic cylinder reflective mirror 1-1-4 and luminous energy receiver 1-2-4; The Salar light-gathering receiving mechanism five that constitutes by parabolic cylinder reflective mirror 1-1-5 and luminous energy receiver 1-2-5; The proper alignment of five Salar light-gathering receiving mechanisms is in rectangular box 3-1; Structure and each item of five Salar light-gathering receiving mechanisms are measure-alike; Structure and each item of the luminous energy receiver of five Salar light-gathering receiving mechanisms are measure-alike; On rectangular box 3-1, be stamped a planar transparent cover plate 4-1; Planar transparent cover plate 4-1 is enclosed in the rectangular box 3-1 five Salar light-gathering receiving mechanisms
The opening of the parabolic cylinder reflective mirror of five Salar light-gathering receiving mechanisms is over against the planar transparent cover plate; The focal line of the parabolic cylinder reflective mirror of five Salar light-gathering receiving mechanisms is parallel to each other; The focal line of the parabolic cylinder reflective mirror of five Salar light-gathering receiving mechanisms is positioned on the same plane parallel with the planar transparent cover plate; The luminous energy receiver of each Salar light-gathering receiving mechanism is installed on the focal line of parabolic cylinder reflective mirror of this Salar light-gathering receiving mechanism
Provided the structure of the first Salar light-gathering receiving mechanism among Fig. 3; The first Salar light-gathering receiving mechanism is made up of parabolic cylinder reflective mirror 1-1-1 and luminous energy receiver 1-2-1 in Fig. 3; Luminous energy receiver 1-2-1 is made up of hollow heat pipe 5-7 in the face of cylinder and semi-cylindrical transparent light guide lid 6-7; The axis direction of the hollow heat pipe 5-7 upper edge hollow heat pipe 5-7 in the face of cylinder all has a long straight identical light entrance slit of width on the face of cylinder; Semi-cylindrical transparent light guide lid 6-7 covers on this light entrance slit, and the upper end of the hollow heat pipe 5-7 in the face of cylinder communicates with water tank 8-1 through hot-water line 9-1-1, and the lower end of the hollow heat pipe 5-7 in the face of cylinder communicates with water tank 8-1 through cold water pipe 9-1-2; Semi-cylindrical transparent light guide lid 6-7 and the hollow heat pipe 5-7 in the face of cylinder constitute a closed cavities
The focal line of the axis of the hollow heat pipe 5-7 in the face of cylinder and parabolic cylinder reflective mirror 1-1-1 is parallel to each other; The axis of the hollow heat pipe 5-7 in the face of cylinder is positioned on the plane of symmetry of parabolic cylinder reflective mirror 1-1-1; The axis of the light entrance slit of the hollow heat pipe 5-7 in the face of cylinder and semi-cylindrical transparent light guide lid 6-7 and the focal line of parabolic cylinder reflective mirror 1-1-1 overlap
When sunshine during perpendicular to planar transparent cover plate 4-1 incident; The light entrance slit that incident ray can both pass the hollow heat pipe 5-7 in the face of cylinder after through the reflect focalization of parabolic cylinder reflective mirror 1-1-1 is radiated in the hollow heat pipe 5-7 in the face of cylinder; The luminous energy that is radiated in the hollow heat pipe 5-7 in the face of cylinder converts heat energy into through the hollow heat pipe 5-7 in the face of cylinder; Because of closed cavities of the hollow heat pipe 5-7 formation of the semi-cylindrical transparent light guide lid 6-7 and the face of cylinder; And the light entrance slit of the hollow heat pipe 5-7 in the face of cylinder is very narrow; The major part that gets into the luminous energy of this light entrance slit changes heat energy in closed cavities; Therefore significantly improved the photo-thermal conversion ratio of luminous energy receiver 1-2-1, the structure of the luminous energy receiver of each Salar light-gathering receiving mechanism, each item size and luminous energy receiving course are identical with luminous energy receiver 1-2-1.
Claims (1)
1. parabolic cylinder optically focused face of cylinder closed housing daylighting solar water heater; Constitute by rectangular box, water tank, cold water pipe, hot-water line, planar transparent cover plate and Salar light-gathering receiving mechanism; Each Salar light-gathering receiving mechanism all is made of a parabolic cylinder reflective mirror and a luminous energy receiver; The luminous energy receiver of each Salar light-gathering receiving mechanism is made of a long straight hollow heat pipe in the face of cylinder and a long straight semi-cylindrical transparent light guide lid; It is characterized in that: the focal line of the axis of the hollow heat pipe in the face of cylinder of each Salar light-gathering receiving mechanism luminous energy receiver and the parabolic cylinder reflective mirror of this Salar light-gathering receiving mechanism is parallel to each other; The hollow heat pipe in the face of cylinder of the luminous energy receiver of each Salar light-gathering receiving mechanism is symmetrically located at the both sides of the plane of symmetry of the parabolic cylinder reflective mirror of this Salar light-gathering receiving mechanism; The light entrance slit of the hollow heat pipe in the face of cylinder of each Salar light-gathering receiving mechanism is over against the reflective surface of the parabolic cylinder reflective mirror of this Salar light-gathering receiving mechanism; The focal line of the light entrance slit of the hollow heat pipe of the axis and the face of cylinder of the semi-cylindrical transparent light guide lid of each Salar light-gathering receiving mechanism luminous energy receiver and the parabolic cylinder reflective mirror of this Salar light-gathering receiving mechanism overlaps
When sunshine during perpendicular to the incident of planar transparent cover plate; The light entrance slit that can both pass the hollow heat pipe in the face of cylinder behind the reflect focalization of incident ray through the parabolic cylinder reflective mirror of each Salar light-gathering receiving mechanism is radiated in the hollow heat pipe in the face of cylinder of each luminous energy receiver; The interior luminous energy of the hollow heat pipe in the face of cylinder that is radiated at each luminous energy receiver converts heat energy into through the hollow heat pipe in the face of cylinder of each luminous energy receiver; Closed cavities of the hollow heat pipe formation of the semi-cylindrical transparent light guide lid and the face of cylinder because of each luminous energy receiver; And the light entrance slit of the hollow heat pipe in the face of cylinder is very narrow; The major part that gets into the luminous energy of light entrance slit changes heat energy in closed cavities, therefore significantly improved the photo-thermal conversion ratio of each luminous energy receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105241453A CN101968277B (en) | 2010-10-25 | 2010-10-25 | Solar water heater based on parabolic cylinder concentrated cylindrical surface closed cavity lighting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105241453A CN101968277B (en) | 2010-10-25 | 2010-10-25 | Solar water heater based on parabolic cylinder concentrated cylindrical surface closed cavity lighting |
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| Publication Number | Publication Date |
|---|---|
| CN101968277A CN101968277A (en) | 2011-02-09 |
| CN101968277B true CN101968277B (en) | 2012-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105241453A Expired - Fee Related CN101968277B (en) | 2010-10-25 | 2010-10-25 | Solar water heater based on parabolic cylinder concentrated cylindrical surface closed cavity lighting |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927706A (en) * | 2012-11-07 | 2013-02-13 | 江苏尚森太阳能科技发展有限公司 | Solar heat collecting pipe |
| CN102927707A (en) * | 2012-11-07 | 2013-02-13 | 江苏尚森太阳能科技发展有限公司 | Solar heat collecting pipe |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3982527A (en) * | 1974-01-02 | 1976-09-28 | Cheng Chen Yen | Method and apparatus for concentrating, harvesting and storing of solar energy |
| JPS5270441A (en) * | 1975-12-08 | 1977-06-11 | Mitsubishi Rayon Co Ltd | Solar heat water heater |
| CN2204035Y (en) * | 1994-06-29 | 1995-07-26 | 庄季康 | High efficiency solar energy water heater |
| CN2305622Y (en) * | 1997-04-17 | 1999-01-27 | 韩志刚 | Light-focasing device for solar vacuum heat collecting tube |
| CN2601378Y (en) * | 2003-01-29 | 2004-01-28 | 黄鸣 | Focusing plate type solar 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 |
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2010
- 2010-10-25 CN CN2010105241453A patent/CN101968277B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927706A (en) * | 2012-11-07 | 2013-02-13 | 江苏尚森太阳能科技发展有限公司 | Solar heat collecting pipe |
| CN102927707A (en) * | 2012-11-07 | 2013-02-13 | 江苏尚森太阳能科技发展有限公司 | Solar heat collecting pipe |
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| Publication number | Publication date |
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| CN101968277A (en) | 2011-02-09 |
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Granted publication date: 20120215 Termination date: 20131025 |