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CN101968275A - Thermoelectric lighting device using double parabolic cylindrical surface to reflect parallel light and focus solar energy - Google Patents

Thermoelectric lighting device using double parabolic cylindrical surface to reflect parallel light and focus solar energy Download PDF

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Publication number
CN101968275A
CN101968275A CN2010105240874A CN201010524087A CN101968275A CN 101968275 A CN101968275 A CN 101968275A CN 2010105240874 A CN2010105240874 A CN 2010105240874A CN 201010524087 A CN201010524087 A CN 201010524087A CN 101968275 A CN101968275 A CN 101968275A
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reflective mirror
receiving mechanism
parabolic cylinder
gathering receiving
salar light
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CN2010105240874A
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CN101968275B (en
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张立君
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Beijing Institute of Graphic Communication
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Beijing Institute of Graphic Communication
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • Y02E10/44Heat exchange systems
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

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Abstract

一种双抛物柱面反射平行光聚焦太阳能热电采光装置,该装置通过抛物柱面的反光聚焦作用,形成较太阳光强数倍的强度均匀的平行光,照射在太阳能接收设备上,可大幅提高太阳能的接收效率,可用来实现在强光和弱光的环境下太阳能的采集和接收。

Figure 201010524087

A double-parabolic cylinder reflective parallel light focusing solar thermoelectric daylighting device, the device forms parallel light with uniform intensity several times stronger than sunlight through the reflective focusing effect of the parabolic cylinder, and irradiates it on the solar receiving equipment, which can greatly improve the The receiving efficiency of solar energy can be used to realize the collection and reception of solar energy in the environment of strong light and weak light.

Figure 201010524087

Description

The thermoelectric lighting equipment of double-paraboloid cylinder reflection directional light focused solar energy
Affiliated technical field:
The present invention relates to a kind of Application of Solar Energy technology, particularly a kind of thermoelectric lighting equipment of double-paraboloid cylinder reflection directional light focused solar energy that utilizes parabolic cylinder optically focused principle to receive solar energy, this device receives solar energy by 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, 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.
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 rectangular box, each Salar light-gathering receiving mechanism is all by a big parabolic cylinder reflective mirror, a little parabolic cylinder reflective mirror and a luminous energy receiver constitute, each Salar light-gathering receiving mechanism proper alignment is in rectangular box, the structure of the big parabolic cylinder reflective mirror of each Salar light-gathering receiving mechanism and every measure-alike, the structure of the little parabolic cylinder reflective mirror of each Salar light-gathering receiving mechanism and every measure-alike, the structure of the luminous energy receiver of each Salar light-gathering receiving mechanism and every 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
The big parabolic cylinder reflective mirror of each Salar light-gathering receiving mechanism and the relative focal line of opening of little parabolic cylinder reflective mirror overlap, the opening direction of the big parabolic cylinder reflective mirror of each Salar light-gathering receiving mechanism is identical, the opening direction of the big parabolic cylinder reflective mirror of each Salar light-gathering receiving mechanism is over against the planar transparent cover plate, the focal line of the big parabolic cylinder reflective mirror of each Salar light-gathering receiving mechanism is parallel to each other, the focal line of the big parabolic cylinder reflective mirror of each Salar light-gathering receiving mechanism is positioned on the same plane parallel with the planar transparent cover plate, the plane of symmetry of the big parabolic cylinder reflective mirror of each Salar light-gathering receiving mechanism is parallel to each other, the plane of symmetry of the big parabolic cylinder reflective mirror of each Salar light-gathering receiving mechanism is vertical mutually with the planar transparent cover plate
The luminous energy receiver of each Salar light-gathering receiving mechanism all is made of a long straight hollow heat pipe of rectangle and the straight plane solar energy cell panel of a block length, the plane solar energy cell panel close adhesion of each luminous energy receiver is on the surface of the hollow heat pipe of rectangle of this luminous energy receiver, axis direction at the top of the big parabolic cylinder reflective mirror of each Salar light-gathering receiving mechanism along big parabolic cylinder reflective mirror has a long straight identical light entrance slit of width, the luminous energy receiver of each Salar light-gathering receiving mechanism is installed on the light entrance slit of big parabolic cylinder reflective mirror of this Salar light-gathering receiving mechanism, the plane solar energy cell panel of each Salar light-gathering receiving mechanism luminous energy receiver is over against the opening of the little parabolic cylinder reflective mirror of this Salar light-gathering receiving mechanism
A water tank has been installed above rectangular box, the lower end of the hollow heat pipe of rectangle of each luminous energy receiver communicates with water tank by a cold water pipe, the upper end of the hollow heat pipe of rectangle of each luminous energy receiver communicates with water tank by a hot-water line, when the hollow heat pipe of the rectangle of each luminous energy receiver is heated, water in the water tank is through the lower end of the hollow heat pipe of rectangle of each the luminous energy receiver inflow hollow heat pipe of rectangle and from the upper end reflow tank of the hollow heat pipe of rectangle, between the hollow heat pipe of rectangle of water tank and each luminous energy receiver, form the convection current of hot and cold water
When sunshine during perpendicular to the incident of planar transparent cover plate, incident ray forms parallel rays and is radiated on the plane solar energy cell panel of each luminous energy receiver after the reflective focusing of the big parabolic cylinder reflective mirror of each Salar light-gathering receiving mechanism and little parabolic cylinder reflective mirror, a part that is radiated at the luminous energy on the plane solar energy cell panel of each luminous energy receiver is converted to electric energy by the plane solar energy cell panel of each luminous energy receiver, another part of luminous energy is converted to heat energy by the hollow heat pipe of the rectangle of each luminous energy receiver, the big parabolic cylinder reflective mirror by each Salar light-gathering receiving mechanism and the reflective focussing force of little parabolic cylinder reflective mirror have significantly improved the sun light intensity on the plane solar energy cell panel that is radiated at each luminous energy receiver, thereby have significantly improved the photoelectricity and the photo-thermal conversion ratio of each luminous energy receiver.
The invention has the beneficial effects as follows: the reflective focussing force by each parabolic cylinder reflective mirror has significantly improved the sun light intensity that is radiated on the luminous energy receiver, thereby significantly improved the photoelectricity and the photo-thermal conversion ratio of luminous energy receiver, realized that higher photoelectricity and photo-thermal conversion ratio are all arranged under the environment of the high light and the low light level.
Description of drawings:
The present invention is further described below in conjunction with drawings and Examples.
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 schematic diagram 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, in rectangular box 3-1, installed by big parabolic cylinder reflective mirror 1-1-1, the first Salar light-gathering receiving mechanism that little parabolic cylinder reflective mirror 1-2-1 and luminous energy receiver 1-3-1 constitute, by big parabolic cylinder reflective mirror 1-1-2, the second Salar light-gathering receiving mechanism that little parabolic cylinder reflective mirror 1-2-2 and luminous energy receiver 1-3-2 constitute, by big parabolic cylinder reflective mirror 1-1-3, the 3rd Salar light-gathering receiving mechanism that little parabolic cylinder reflective mirror 1-2-3 and luminous energy receiver 1-3-3 constitute, by big parabolic cylinder reflective mirror 1-1-4, the 4th Salar light-gathering receiving mechanism that little parabolic cylinder reflective mirror 1-2-4 and luminous energy receiver 1-3-4 constitute, by big parabolic cylinder reflective mirror 1-1-5, the 5th Salar light-gathering receiving mechanism that little parabolic cylinder reflective mirror 1-2-5 and luminous energy receiver 1-3-5 constitute, the proper alignment of five Salar light-gathering receiving mechanisms is in rectangular box 3-1, the structure of the big parabolic cylinder reflective mirror of five Salar light-gathering receiving mechanisms and every measure-alike, the structure of the little parabolic cylinder reflective mirror of five Salar light-gathering receiving mechanisms and every measure-alike, the structure of the luminous energy receiver of five Salar light-gathering receiving mechanisms and every measure-alike
The first Salar light-gathering receiving mechanism is made of big parabolic cylinder reflective mirror 1-1-1, little parabolic cylinder reflective mirror 1-2-1 and light energy receiver 1-3-1 in Fig. 3; Light energy receiver 1-3-1 is made of a long straight rectangular hollow heat pipe 5-1 and the straight plane solar energy cell panel 10-1 of a block length; Plane solar energy cell panel 10-1 close adhesion is on the surface of rectangular hollow heat pipe 5-1; The lower end of rectangular hollow heat pipe 5-1 communicates with water tank 8-1 by cold water pipe 9-1-2; The upper end of rectangular hollow heat pipe 5-1 communicates with water tank 8-1 by hot-water line 9-1-1
The relative focal line of opening of big parabolic cylinder reflective mirror 1-1-1 and little parabolic cylinder reflective mirror 1-2-1 overlaps, the top of big parabolic cylinder reflective mirror 1-1-1 has a long straight identical light entrance slit of width along the axis direction of big parabolic cylinder reflective mirror 1-1-1, luminous energy receiver 1-3-1 is installed on this light entrance slit, plane solar energy cell panel 10-1 is over against the opening of little parabolic cylinder reflective mirror 1-2-1
When sunshine during perpendicular to planar transparent cover plate 4-1 incident, incident ray forms parallel rays and is radiated on the plane solar energy cell panel 10-1 after the reflective focusing of big parabolic cylinder reflective mirror 1-1-1 and little parabolic cylinder reflective mirror 1-2-1, a part that is radiated at the luminous energy on the plane solar energy cell panel 10-1 is converted to electric energy by plane solar energy cell panel 10-1, another part of luminous energy is converted to heat energy by the hollow heat pipe 5-1 of rectangle, reflective focussing force by big parabolic cylinder reflective mirror 1-1-1 and little parabolic cylinder reflective mirror 1-2-1 has significantly improved the sun light intensity that is radiated on the plane solar energy cell panel 10-1, thereby photoelectricity and 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 receiving course.

Claims (1)

1. a double-paraboloid cylinder reflects the thermoelectric lighting equipment of directional light focused solar energy, by rectangular box, water tank, cold water pipe, hot-water line, planar transparent cover plate and Salar light-gathering receiving mechanism constitute, it is characterized in that: a plurality of Salar light-gathering receiving mechanisms have been installed in rectangular box, each Salar light-gathering receiving mechanism is all by a big parabolic cylinder reflective mirror, a little parabolic cylinder reflective mirror and a luminous energy receiver constitute, each Salar light-gathering receiving mechanism proper alignment is in rectangular box, the structure of the big parabolic cylinder reflective mirror of each Salar light-gathering receiving mechanism and every measure-alike, the structure of the little parabolic cylinder reflective mirror of each Salar light-gathering receiving mechanism and every measure-alike, the structure of the luminous energy receiver of each Salar light-gathering receiving mechanism and every 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
The big parabolic cylinder reflective mirror of each Salar light-gathering receiving mechanism and the relative focal line of opening of little parabolic cylinder reflective mirror overlap, the opening direction of the big parabolic cylinder reflective mirror of each Salar light-gathering receiving mechanism is identical, the opening direction of the big parabolic cylinder reflective mirror of each Salar light-gathering receiving mechanism is over against the planar transparent cover plate, the focal line of the big parabolic cylinder reflective mirror of each Salar light-gathering receiving mechanism is parallel to each other, the focal line of the big parabolic cylinder reflective mirror of each Salar light-gathering receiving mechanism is positioned on the same plane parallel with the planar transparent cover plate, the plane of symmetry of the big parabolic cylinder reflective mirror of each Salar light-gathering receiving mechanism is parallel to each other, the plane of symmetry of the big parabolic cylinder reflective mirror of each Salar light-gathering receiving mechanism is vertical mutually with the planar transparent cover plate
The luminous energy receiver of each Salar light-gathering receiving mechanism all is made of a long straight hollow heat pipe of rectangle and the straight plane solar energy cell panel of a block length, the plane solar energy cell panel close adhesion of each luminous energy receiver is on the surface of the hollow heat pipe of rectangle of this luminous energy receiver, axis direction at the top of the big parabolic cylinder reflective mirror of each Salar light-gathering receiving mechanism along big parabolic cylinder reflective mirror has a long straight identical light entrance slit of width, the luminous energy receiver of each Salar light-gathering receiving mechanism is installed on the light entrance slit of big parabolic cylinder reflective mirror of this Salar light-gathering receiving mechanism, the plane solar energy cell panel of each Salar light-gathering receiving mechanism luminous energy receiver is over against the opening of the little parabolic cylinder reflective mirror of this Salar light-gathering receiving mechanism
A water tank has been installed above rectangular box, the lower end of the hollow heat pipe of rectangle of each luminous energy receiver communicates with water tank by a cold water pipe, the upper end of the hollow heat pipe of rectangle of each luminous energy receiver communicates with water tank by a hot-water line, when the hollow heat pipe of the rectangle of each luminous energy receiver is heated, water in the water tank is through the lower end of the hollow heat pipe of rectangle of each the luminous energy receiver inflow hollow heat pipe of rectangle and from the upper end reflow tank of the hollow heat pipe of rectangle, between the hollow heat pipe of rectangle of water tank and each luminous energy receiver, form the convection current of hot and cold water
When sunshine during perpendicular to the incident of planar transparent cover plate, incident ray forms parallel rays and is radiated on the plane solar energy cell panel of each luminous energy receiver after the reflective focusing of the big parabolic cylinder reflective mirror of each Salar light-gathering receiving mechanism and little parabolic cylinder reflective mirror, a part that is radiated at the luminous energy on the plane solar energy cell panel of each luminous energy receiver is converted to electric energy by the plane solar energy cell panel of each luminous energy receiver, another part of luminous energy is converted to heat energy by the hollow heat pipe of the rectangle of each luminous energy receiver, the big parabolic cylinder reflective mirror by each Salar light-gathering receiving mechanism and the reflective focussing force of little parabolic cylinder reflective mirror have significantly improved the sun light intensity on the plane solar energy cell panel that is radiated at each luminous energy receiver, thereby have significantly improved the photoelectricity and the photo-thermal conversion ratio of each luminous energy receiver.
CN2010105240874A 2010-10-25 2010-10-25 Double parabolic cylinder reflecting parallel light focusing solar thermoelectric lighting device Expired - Fee Related CN101968275B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102435417A (en) * 2011-09-14 2012-05-02 成都禅德太阳能电力有限公司 On-line dimensional image testing device for curved surface focusing degree of concentrating solar thermal power generation reflector
CN102590983A (en) * 2012-03-08 2012-07-18 中国华能集团清洁能源技术研究院有限公司 Reflector adjusting device
WO2018192508A1 (en) * 2017-04-19 2018-10-25 杭州凌萤科技有限公司 Surface-reflective focusing solar power application device

Citations (6)

* Cited by examiner, † Cited by third party
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
CN201314707Y (en) * 2008-04-17 2009-09-23 万斌 Solar double-dish-face heat-energy power generating device
CN201875954U (en) * 2010-10-25 2011-06-22 北京印刷学院 Solar energy thermoelectric device adopting bi-parabolic cylindrical surface for reflection and parallel light for focusing

Patent Citations (6)

* Cited by examiner, † Cited by third party
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
CN201314707Y (en) * 2008-04-17 2009-09-23 万斌 Solar double-dish-face heat-energy power generating device
CN201875954U (en) * 2010-10-25 2011-06-22 北京印刷学院 Solar energy thermoelectric device adopting bi-parabolic cylindrical surface for reflection and parallel light for focusing

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102435417A (en) * 2011-09-14 2012-05-02 成都禅德太阳能电力有限公司 On-line dimensional image testing device for curved surface focusing degree of concentrating solar thermal power generation reflector
CN102435417B (en) * 2011-09-14 2014-10-15 成都禅德太阳能电力有限公司 On-line dimension image testing device for focus degree of curved surface of optothermal-collecting electricity-generating reflecting mirror
CN102590983A (en) * 2012-03-08 2012-07-18 中国华能集团清洁能源技术研究院有限公司 Reflector adjusting device
WO2018192508A1 (en) * 2017-04-19 2018-10-25 杭州凌萤科技有限公司 Surface-reflective focusing solar power application device

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