CN201875939U - Light-collecting solar water heater with secondary-reflection spherical closed cavities - Google Patents
Light-collecting solar water heater with secondary-reflection spherical closed cavities Download PDFInfo
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- CN201875939U CN201875939U CN2010205820926U CN201020582092U CN201875939U CN 201875939 U CN201875939 U CN 201875939U CN 2010205820926 U CN2010205820926 U CN 2010205820926U CN 201020582092 U CN201020582092 U CN 201020582092U CN 201875939 U CN201875939 U CN 201875939U
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- light
- receiving mechanism
- gathering receiving
- heat conduction
- 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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Abstract
The utility model discloses a light-collecting solar water heater with secondary-reflection spherical closed cavities, which comprises a rectangular box body, a water tank, a cold water pipe, a hot water pipe, a planar transparent cover plate, large plane reflectors and solar light condensing and receiving mechanisms. The device receives solar energy through the light reflection and focusing effect of large plane reflectors and rotating parabolic reflectors, is favorable for greatly improving the receiving efficiency of the solar energy, and can be used for realizing the collection and receiving of the solar energy in the environments with hard light and dim light.
Description
Affiliated technical field:
The utility model relates to a kind of Application of Solar Energy technology, particularly a kind of secondary reflection ball-shaped closure cavity daylighting solar water heater that utilizes paraboloid of revolution optically focused principle to receive solar energy, this device receives solar energy by 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, inexhaustible, nexhaustible, can not cause environmental pollution yet, nowadays, no matter in coastal cities, still in inland city, solar product enters 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, as seen 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, realized the Salar light-gathering reception abroad in the photovoltaic matrix of some solar power stations, domestic also have similar experimental rig, promotes obtaining on the solar domestic product but these apparatus structure complexity, bulky, cost are high-leveled and difficult.
The utility model content:
In order to overcome shortcomings such as existing beam condensing unit complicated in mechanical structure, bulky, cost height. the deficiency that the utility model exists at prior art, 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 scheme that its technical problem that solves the utility model adopts is: a plurality of Salar light-gathering receiving mechanisms have been installed in a 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, each Salar light-gathering receiving mechanism proper alignment is in rectangular box, each Salar light-gathering receiving mechanism all is made of a paraboloid of revolution reflective mirror and a luminous energy receiver, the Salar light-gathering receiving mechanism is divided into many groups, the square big plane mirror of a block length has all been installed in front at each group Salar light-gathering receiving mechanism, the middle seat of the big plane mirror of each group has a long straight light entrance slit along its long side direction, and each big plane mirror and planar transparent cover plate of organizing the Salar light-gathering receiving mechanism intersects 45.
The luminous energy receiver of each Salar light-gathering receiving mechanism is made of a spherical hollow heat conduction cavity and a hemisphere face transparent light guide lid, have a light incident circular hole on the spherical hollow heat conduction cavity, the hemisphere face transparent light guide lid of each luminous energy receiver covers closely on the light incident circular hole of the spherical hollow heat conduction cavity of this luminous energy receiver, and the hemisphere face transparent light guide lid of each luminous energy receiver, spherical hollow heat conduction cavity constitute a closed cavities.
Each luminous energy receiver of organizing the Salar light-gathering receiving mechanism is installed in the back side of reflective surface of the big plane mirror of this group, each organizes the reflective surface of light incident circular hole over against the light incident circular hole of the light entrance slit of the big plane mirror of this group and each spherical hollow heat conduction cavity over against this paraboloid of revolution reflective mirror of each spherical hollow heat conduction cavity of the luminous energy receiver of Salar light-gathering receiving mechanism, the focus of the centre of sphere of the center of circle of the light incident circular hole of the spherical hollow heat conduction cavity of the luminous energy receiver of each Salar light-gathering receiving mechanism and hemisphere face transparent light guide lid and the paraboloid of revolution reflective mirror of this Salar light-gathering receiving mechanism overlaps, and each focus of organizing the paraboloid of revolution reflective mirror of Salar light-gathering receiving mechanism is positioned on the light entrance slit of big plane mirror of this group.
When sunshine during perpendicular to the incident of planar transparent cover plate, incident ray by each group Salar light-gathering receiving mechanism big plane mirror and the reflect focalization of paraboloid of revolution reflective mirror after can both pass the light entrance slit of big plane mirror and the light incident circular hole of spherical hollow heat conduction cavity is radiated on the spherical hollow heat conduction cavity of each luminous energy receiver, the spherical hollow heat conduction cavity of luminous energy by each luminous energy receiver that is radiated on the spherical hollow heat conduction cavity of each luminous energy receiver is converted to heat energy, hemisphere face transparent light guide lid and closed cavities of spherical hollow heat conduction cavity formation because of each luminous energy receiver, and the light incident circular hole of each spherical hollow heat conduction cavity is very little, the luminous energy major part that enters the light incident circular hole of each spherical hollow heat conduction cavity changes electric energy and heat energy in closed cavities, therefore significantly improved the photo-thermal conversion ratio of each luminous energy receiver.
The beneficial effects of the utility model are: the reflective focussing force by 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 drawings and Examples the utility model is further specified.
Fig. 1 is overall structure figure of the present utility model.
Fig. 2 is the A-A cutaway view of overall structure figure of the present utility model.
Fig. 3 is the B-B cutaway view of overall structure figure of the present utility model.
Fig. 4 is the enlarged drawing of the Salar light-gathering receiving mechanism cutaway view of the utility model embodiment.
Fig. 5 is the schematic diagram of the paraboloid of revolution.
In the paraboloid of revolution pie graph of Fig. 5: 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:
At Fig. 1, among Fig. 2 and Fig. 3,25 Salar light-gathering receiving mechanisms have been installed in a rectangular box 3-1,25 Salar light-gathering receiving mechanisms are divided into five groups, a water tank 8-1 has been installed above rectangular box 3-1, on rectangular box 3-1, be stamped a planar transparent cover plate 4-1, planar transparent cover plate 4-1 is enclosed in each Salar light-gathering receiving mechanism in the rectangular box 3-1, each Salar light-gathering receiving mechanism proper alignment is in rectangular box 3-1, and each Salar light-gathering receiving mechanism all is made of a paraboloid of revolution reflective mirror and a luminous energy receiver.
Big plane mirror 1-1-1 has all been installed in front at the reflective surface of first group of Salar light-gathering receiving mechanism paraboloid of revolution reflective mirror, big plane mirror 1-1-2 has all been installed in front at the reflective surface of second group of Salar light-gathering receiving mechanism paraboloid of revolution reflective mirror, big plane mirror 1-1-3 has all been installed in front at the reflective surface of the 3rd group of Salar light-gathering receiving mechanism paraboloid of revolution reflective mirror, big plane mirror 1-1-4 has all been installed in front at the reflective surface of the 4th group of Salar light-gathering receiving mechanism paraboloid of revolution reflective mirror, big plane mirror 1-1-5 has all been installed in front at the reflective surface of the 5th group of Salar light-gathering receiving mechanism paraboloid of revolution reflective mirror, the middle seat of above-mentioned five big plane mirrors all has a long straight light entrance slit along its long side direction, above-mentioned five big plane mirrors and planar transparent cover plate 4-1 intersect 45, the hollow heat conduction cavity of the hemisphere face of first group of Salar light-gathering receiving mechanism is serially connected by heat pipe 9-1-3, the hollow heat conduction cavity of the hemisphere face of second group of Salar light-gathering receiving mechanism is serially connected by heat pipe 9-2-3, the hollow heat conduction cavity of the hemisphere face of the 3rd group of Salar light-gathering receiving mechanism is serially connected by heat pipe 9-3-3, the hollow heat conduction cavity of the hemisphere face of the 4th group of Salar light-gathering receiving mechanism is serially connected by heat pipe 9-4-3, the hollow heat conduction cavity of the hemisphere face of the 5th group of Salar light-gathering receiving mechanism is serially connected by heat pipe 9-5-3, heat pipe 9-1-3, heat pipe 9-2-3, heat pipe 9-3-3, the lower end of heat pipe 9-4-3 and heat pipe 9-5-3 communicates with water tank 8-1 by cold water pipe 9-1-2, heat pipe 9-1-3, heat pipe 9-2-3, heat pipe 9-3-3, the upper end of heat pipe 9-4-3 and heat pipe 9-5-3 communicates with water tank 8-1 by hot-water line 9-1-1.
Provided the structure of the first Salar light-gathering receiving mechanism among Fig. 4, the first Salar light-gathering receiving mechanism is made of paraboloid of revolution reflective mirror 1-2-1 and luminous energy receiver 1-3-1 in Fig. 4, luminous energy receiver 1-3-1 is made of a spherical hollow heat conduction cavity 5-1 and hemisphere face transparent light guide lid 6-1, has a light incident circular hole on the spherical hollow heat conduction cavity 5-1.
Hemisphere face transparent light guide lid 6-1 covers closely on the light incident circular hole of spherical hollow heat conduction cavity 5-1, and spherical hollow heat conduction cavity 5-1 and hemisphere face transparent light guide lid 6-1 constitute a closed cavities.
Luminous energy receiver 1-3-1 is installed in the back side of the reflective surface of big plane mirror 1-1-1, the light incident circular hole of spherical hollow heat conduction cavity 5-1 is over against the light entrance slit of big plane mirror 1-1-1, the light incident circular hole of spherical hollow heat conduction cavity 5-1 is over against the reflective surface of paraboloid of revolution reflective mirror 1-2-1, the centre of sphere of the center of circle of the light incident circular hole of spherical hollow heat conduction cavity 5-1 and hemisphere face transparent light guide lid 6-1 and the focus of paraboloid of revolution reflective mirror 1-2-1 overlap, and the focus of paraboloid of revolution reflective mirror 1-2-1 is positioned on the light entrance slit of big plane mirror 1-1-1.
When sunshine during perpendicular to planar transparent cover plate 4-1 incident, the reflect focalization of incident ray by big plane mirror 1-1-1 and paraboloid of revolution reflective mirror 1-2-1 can both pass the light entrance slit of big plane mirror 1-1-1 and the light incident circular hole of spherical hollow heat conduction cavity 5-1 is radiated on the spherical hollow heat conduction cavity 5-1, the luminous energy that is radiated on the spherical hollow heat conduction cavity 5-1 is converted to heat energy by spherical hollow heat conduction cavity 5-1, because of hemisphere face transparent light guide lid 6-1 and closed cavities of spherical hollow heat conduction cavity 5-1 formation, and the light incident circular hole of spherical hollow heat conduction cavity 5-1 is very little, the luminous energy major part that enters the light incident circular hole of spherical hollow heat conduction cavity 5-1 changes heat energy in closed cavities, thereby the photo-thermal conversion ratio of luminous energy receiver 1-3-1, the structure of above-mentioned each Salar light-gathering receiving mechanism have significantly been improved, every size is identical with the first Salar light-gathering receiving mechanism with the luminous energy reception process.
Claims (1)
1. secondary reflection ball-shaped closure cavity daylighting solar water heater, by rectangular box, water tank, cold water pipe, hot-water line, the planar transparent cover plate, big plane mirror and Salar light-gathering receiving mechanism constitute, each Salar light-gathering receiving mechanism all is made of a paraboloid of revolution reflective mirror and a luminous energy receiver, the luminous energy receiver of each Salar light-gathering receiving mechanism is made of a spherical hollow heat conduction cavity and a hemisphere face transparent light guide lid, it is characterized in that: each luminous energy receiver of organizing the Salar light-gathering receiving mechanism is installed in the back side of reflective surface of the big plane mirror of this group, each organizes the reflective surface of light incident circular hole over against the light incident circular hole of the light entrance slit of the big plane mirror of this group and each spherical hollow heat conduction cavity over against this paraboloid of revolution reflective mirror of each spherical hollow heat conduction cavity of the luminous energy receiver of Salar light-gathering receiving mechanism, the focus of the centre of sphere of the center of circle of the light incident circular hole of the spherical hollow heat conduction cavity of the luminous energy receiver of each Salar light-gathering receiving mechanism and hemisphere face transparent light guide lid and the paraboloid of revolution reflective mirror of this Salar light-gathering receiving mechanism overlaps, and each focus of organizing the paraboloid of revolution reflective mirror of Salar light-gathering receiving mechanism is positioned on the light entrance slit of big plane mirror of this group.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2010205820926U CN201875939U (en) | 2010-10-25 | 2010-10-25 | Light-collecting solar water heater with secondary-reflection spherical closed cavities |
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CN2010205820926U CN201875939U (en) | 2010-10-25 | 2010-10-25 | Light-collecting solar water heater with secondary-reflection spherical closed cavities |
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CN201875939U true CN201875939U (en) | 2011-06-22 |
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CN2010205820926U Expired - Fee Related CN201875939U (en) | 2010-10-25 | 2010-10-25 | Light-collecting solar water heater with secondary-reflection spherical closed cavities |
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2010
- 2010-10-25 CN CN2010205820926U patent/CN201875939U/en not_active Expired - Fee Related
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Date | Code | Title | Description |
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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: 20110622 Termination date: 20111025 |