CN100426531C - Light focusing type solar energy electrothermal combined using device - Google Patents
Light focusing type solar energy electrothermal combined using device Download PDFInfo
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- CN100426531C CN100426531C CNB2006101305163A CN200610130516A CN100426531C CN 100426531 C CN100426531 C CN 100426531C CN B2006101305163 A CNB2006101305163 A CN B2006101305163A CN 200610130516 A CN200610130516 A CN 200610130516A CN 100426531 C CN100426531 C CN 100426531C
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- thermal
- phase transformation
- solar cell
- transformation device
- liquid container
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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
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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
- Y02E10/50—Photovoltaic [PV] energy
-
- 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
- Y02E10/60—Thermal-PV hybrids
Abstract
This invention discloses a light-gathering solar light-electricity-heat on-line device, which is connected with a solar condenser by a connecting bar, the electricity-heat on-line of the solar cell includes a liquid container with heat-collection working fluid, hot tubes are set on the side walls of the container and includes phase-change heat working fluid, the cell is connected with the hot tubes in the container fixedly, an inlet is set at the bottom and an outlet at the top, and the bottom face is transmissive, the outsides of the top face and the side walls are set with heat preservation material, which dips solar cells in a heat-collection working fluid and hot tube can carry solar heat not changed to electricity away quickly and guarantee uniform temperature of the cell surface to increase the photo-electric conversion rate.
Description
Technical field
The present invention relates to the cascade utilization device of solar energy under a kind of optically focused condition, particularly relate to the solar energy electric heating combined apparatus under the optically focused form.
Background technology
The major obstacle of solar cell power generation large-scale promotion application is that cost is higher at present.One of effective way that reduces the solar cell cost of electricity-generating is to adopt concentrator solar cell.If concentration ratio surpasses 10 usually, then system can only utilize direct sunlight Hj, thereby must adopt tracking system.When high concentration ratio, solar cell is under the big electric current of high optically focused, and the rising of its working temperature will cause the decline of efficient, therefore, needs effective heat dissipation equipment, if consider the economy of system, can adopt the active heat radiation of electrothermal combined using.
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 sunlight 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.It is ripe to utilize various photoelectric sensings to add the controlling schemes of automatic sun tracking device of servomotor speed Control, and precision is also very high, but exist price more expensive, need deficiencies such as electric power, system complex and maintaining amount are big.In conjunction with active heat abstractor also unmanned use under the optically focused condition of electrothermal combined using, but under non-optically focused form,,, adopt air, water as taking hot working fluid by welding copper pipe behind at assembly based on the backboard heat-conducting mode.But this combination, owing to there is the non-conductor of heat in the solar module, little between heated body and solar cell backboard in conjunction with heat transfer area, heat transfer efficiency is low, the cost height.Present liquid boshing is mode but, because liquid flow control problem, the battery heat-transfer effect is not so good, and the inhomogeneous of Temperature Distribution produced influence to battery efficiency.Therefore, at above-mentioned technology, the photoelectric heat combined apparatus of solar energy new under a kind of optically focused condition has been proposed.
Summary of the invention
The invention provides a kind of solar energy electric heating combined apparatus of optically focused form.
Technical scheme of the present invention is summarized as follows:
The solar energy electric heating combined apparatus of optically focused form, the electrothermal combined using device of solar cell is connected with solar concentrator by connecting rod, the electrothermal combined using device of described solar cell comprises liquid container, be provided with the thermal-arrest liquid working substance in the described liquid container, heat pipe runs through on the sidewall that is arranged on described liquid container, be provided with phase transformation in the described heat pipe and take hot working fluid, solar cell is fixedlyed connected with the described heat pipe that is arranged on liquid container inside, the lower end of described liquid container is provided with inlet, the upper end of described liquid container is provided with liquid outlet, the lower surface of described liquid container is a transparent surface, and the outside, upper surface and the sidewall arranged outside of described liquid container have insulation material.
Distance between the bottom surface of described solar cell and described liquid container is 0.01mm-50mm.
Described solar cell is single crystal silicon solar cell or polycrystalline silicon solar cell or amorphous silicon solar cell or compound solar cell or organic semiconductor solar cell.
The mode that described solar cell is fixedlyed connected with the heat pipe of described liquid container inside is welding or bonding.
Described solar concentrator comprises frame, the planar rectangular reflective mirror, the bearing liner frame that is provided with on the mirror axle of the two ends of described planar rectangular reflective mirror through having bearing and the described frame is connected, described planar rectangular reflective mirror is 2～1000, described planar rectangular reflective mirror is different with the initial angle of described frame, the described planar rectangular reflective mirror one end mirror axle outside flexibly connects with transmission mechanism, the mirror axle of any of described planar rectangular reflective mirror is connected with first shadow shield upper end, bottom, the first 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 first driving cylinder by conduit, one end of the described second thermal-arrest phase transformation device is connected by the other end of conduit with first driving cylinder, be provided with first piston in described first driving cylinder, the one side of first piston is connected with described transmission mechanism, the described first thermal-arrest phase transformation device, be provided with the phase-change liquid material in the second thermal-arrest phase transformation device.
The upper side frame of the frame of solar concentrator is provided with extension rod, the vertical setting of mirror axle of described extension rod and described planar rectangular reflective mirror, described extension rod is connected with second shadow shield upper end, bottom, the second shadow shield two sides is respectively arranged with the 3rd thermal-arrest phase transformation device, the 4th thermal-arrest phase transformation device, one end of described the 3rd thermal-arrest phase transformation device is connected with an end of second driving cylinder by conduit, one end of described the 4th thermal-arrest phase transformation device is connected by the other end of conduit with second driving cylinder, be provided with second piston in described second driving cylinder, the middle part of the top and described upper side frame of second piston is connected, the lower surface of described second driving cylinder is provided with support bar, described the 3rd thermal-arrest phase transformation device, be provided with the phase-change liquid material in the 4th thermal-arrest phase transformation device.
Advantage of the present invention:
The present invention is by being dipped in solar cell thermal-arrest liquid working substance inside, combination behind simultaneously is the heat pipe of phase-change heat-exchange efficiently, can rapidly unconverted solar heat for electricity be taken away, guarantee that simultaneously the solar cell surface temperature is even, improve the electricity conversion of solar cell, increase the service life.The present invention both had been applicable to non-condensing solar opto-electronic system, can satisfy the high-efficiency operation of the solar cell power generation system under the optically focused form again.Particularly by the distance between the bottom surface of solar cell and described liquid container is arranged on 0.01mm-50mm, the formed thin electrolyte film of solar battery surface helps to guarantee the solar battery surface liquid circulation, surface temperature distribution is even, improves electricity conversion and extending battery life.
Concentrator in of the present invention is simple in structure, only can realize with a controller the control of a plurality of planar rectangular reflective mirrors, 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 solar concentrator significantly; (4) concentrator among the present invention is to be made of several rectangular reflective mirrors, is not a huge integral body, so wind loading rating is big, is beneficial to cleaning, maintenance, maintenance; (5) the present invention has the function from the motion tracking sunlight, has improved efficient greatly.
The used phase transformation tracker structure of the present invention is simple, does not need electric power, and cost is lower.Can be used for the altitude of the sun angle tracking and also can be used for the solar azimuth angle tracking.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the electrothermal combined using device structural representation of solar cell among the present invention.
Embodiment
The present invention is further illustrated below in conjunction with accompanying drawing.
A kind of solar energy electric heating combined apparatus of optically focused form, the electrothermal combined using device 12 of solar cell is connected with solar concentrator 14 by connecting rod 13, the electrothermal combined using device of solar cell comprises liquid container 1, be provided with thermal-arrest liquid working medium 2 in the liquid container, heat pipe 3 runs through on the sidewall 4 that is arranged on liquid container, be provided with phase transformation in the heat pipe and take hot working fluid 5, solar cell 6 is fixedlyed connected with the heat pipe that is arranged on liquid container inside, the lower end of liquid container is provided with inlet 7, the upper end of liquid container is provided with liquid outlet 8, the lower surface 9 of liquid container is a transparent surface, and 10 outsides, upper surface and the sidewall arranged outside of liquid container have insulation material 11.
Distance between the bottom surface upper surface of solar cell and liquid container is 0.01mm-50mm.The formed thin electrolyte film of solar battery surface helps to guarantee the solar battery surface liquid circulation, and surface temperature distribution is even, improves electricity conversion and extending battery life
Solar cell can be selected single crystal silicon solar cell or polycrystalline silicon solar cell or amorphous silicon solar cell or compound solar cell or organic semiconductor solar cell for use.
The mode that solar cell is fixedlyed connected with the heat pipe of liquid container inside is welding or bonding.
Solar concentrator can adopt the conventional concentrator that uses, and can also use the concentrator of following structure.
Solar concentrator comprises frame 15, planar rectangular reflective mirror 16, the bearing liner frame that is provided with on the mirror axle 17 of the two ends of planar rectangular reflective mirror through having bearing and the frame is connected, the planar rectangular reflective mirror is 2～1000, the planar rectangular reflective mirror is different with the initial angle of frame, the planar rectangular reflective mirror one end mirror axle outside flexibly connects with transmission mechanism 18, the mirror axle of any of planar rectangular reflective mirror is connected with first shadow shield, 19 upper ends, bottom, the first shadow shield two sides is respectively arranged with the first thermal-arrest phase transformation device 20, the second thermal-arrest phase transformation device 21, one end of the first thermal-arrest phase transformation device is connected by the end of conduit with first driving cylinder 22, one end of the second thermal-arrest phase transformation device is connected by the other end of conduit with first driving cylinder, be provided with first piston 23 in first driving cylinder, the one side of first piston is connected with transmission mechanism, the first thermal-arrest phase transformation device, be provided with the phase-change liquid material in the second thermal-arrest phase transformation device.
The solar energy electric heating combined apparatus of optically focused form, upper side frame 24 at its frame is provided with extension rod 25, the vertical setting of mirror axle of extension rod and planar rectangular reflective mirror, extension rod is connected with second shadow shield, 26 upper ends, bottom, the second shadow shield two sides is respectively arranged with the 3rd thermal-arrest phase transformation device 27, the 4th thermal-arrest phase transformation device 28, one end of the 3rd thermal-arrest phase transformation device is connected by the end of conduit with second driving cylinder 29, one end of the 4th thermal-arrest phase transformation device is connected by the other end of conduit with second driving cylinder, be provided with second piston 30 in second driving cylinder, the middle part of the top and upper side frame of second piston is connected, the lower surface of second driving cylinder is provided with support bar 31, described the 3rd thermal-arrest phase transformation device, be provided with the phase-change liquid material in the 4th thermal-arrest phase transformation device.
The phase-change liquid material that is provided with in the first thermal-arrest phase transformation device, the second thermal-arrest phase transformation device, the 3rd thermal-arrest phase transformation device, the 4th thermal-arrest phase transformation device is under the normal temperature and pressure or pressure-fired, little negative pressure under the organic compound that is in a liquid state, 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, because blocking of first shadow shield, the second thermal-arrest phase transformation device can not be subjected to the sunlight direct projection, at this moment, the heat that the first thermal-arrest phase transformation device receives is high than the second thermal-arrest phase transformation device, the vaporization of being heated of phase-change liquid material, the pressure that produces is also higher, the first piston that promotes in first driving cylinder rotates through connecting rod drive and sunshading board and mirror axle, mirror beam warp transmission mechanism drives the rotation of each planar rectangular reflective mirror, carry out solar azimuth from motion tracking.
Utilize identical principle, can carry out the altitude of the sun angle tracking.
The lower surface of liquid container is a transparent surface, and the material of transparent surface can be the normal transparent material or has the transparent material of selectivity absorption.
Claims (6)
1. the solar energy electric heating combined apparatus of optically focused form, the electrothermal combined using device of solar cell is connected with solar concentrator by connecting rod, the electrothermal combined using device of described solar cell comprises liquid container, be provided with the thermal-arrest liquid working substance in the described liquid container, heat pipe runs through on the sidewall that is arranged on described liquid container, be provided with phase transformation in the described heat pipe and take hot working fluid, solar cell is fixedlyed connected with the described heat pipe that is arranged on liquid container inside, the lower end of described liquid container is provided with inlet, the upper end of described liquid container is provided with liquid outlet, the lower surface of described liquid container is a transparent surface, the outside, upper surface and the sidewall arranged outside of described liquid container have insulation material, have certain distance between the upper surface of the lower surface of described solar cell and described liquid container.
2. the solar energy electric heating combined apparatus of optically focused form according to claim 1 is characterized in that the distance between the upper surface of lower surface of described solar cell and described liquid container is 0.01mm-50mm.
3. the solar energy electric heating combined apparatus of optically focused form according to claim 1 is characterized in that described solar cell is single crystal silicon solar cell or polycrystalline silicon solar cell or amorphous silicon solar cell or compound solar cell or organic semiconductor solar cell.
4. the solar energy electric heating combined apparatus of optically focused form according to claim 1 is characterized in that the mode that described solar cell is fixedlyed connected with the heat pipe of described liquid container inside is welding or bonding.
5. according to the solar energy electric heating combined apparatus of the described optically focused form of one of claim 1 to 4, it is characterized in that described solar concentrator comprises frame, the planar rectangular reflective mirror, the bearing liner frame that is provided with on the mirror axle of the two ends of described planar rectangular reflective mirror through having bearing and the described frame is connected, described planar rectangular reflective mirror is 2～1000, described planar rectangular reflective mirror is different with the initial angle of described frame, the described planar rectangular reflective mirror one end mirror axle outside flexibly connects with transmission mechanism, the mirror axle of any of described planar rectangular reflective mirror is connected with first shadow shield upper end, bottom, the first 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 first driving cylinder by conduit, one end of the described second thermal-arrest phase transformation device is connected by the other end of conduit with first driving cylinder, be provided with first piston in described first driving cylinder, the one side of first piston is connected with described transmission mechanism, the described first thermal-arrest phase transformation device, be provided with the phase-change liquid material in the second thermal-arrest phase transformation device.
6. the solar energy electric heating combined apparatus of optically focused form according to claim 5, it is characterized in that being provided with extension rod at the upper side frame of described frame, the vertical setting of mirror axle of described extension rod and described planar rectangular reflective mirror, described extension rod is connected with second shadow shield upper end, bottom, the second shadow shield two sides is respectively arranged with the 3rd thermal-arrest phase transformation device, the 4th thermal-arrest phase transformation device, one end of described the 3rd thermal-arrest phase transformation device is connected with an end of second driving cylinder by conduit, one end of described the 4th thermal-arrest phase transformation device is connected by the other end of conduit with second driving cylinder, be provided with second piston in described second driving cylinder, the middle part of the top and described upper side frame of second piston is connected, the lower surface of described second driving cylinder is provided with support bar, described the 3rd thermal-arrest phase transformation device, be provided with the phase-change liquid material in the 4th thermal-arrest phase transformation device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101305163A CN100426531C (en) | 2006-12-22 | 2006-12-22 | Light focusing type solar energy electrothermal combined using device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101305163A CN100426531C (en) | 2006-12-22 | 2006-12-22 | Light focusing type solar energy electrothermal combined using device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1988184A CN1988184A (en) | 2007-06-27 |
| CN100426531C true CN100426531C (en) | 2008-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101305163A Expired - Fee Related CN100426531C (en) | 2006-12-22 | 2006-12-22 | Light focusing type solar energy electrothermal combined using device |
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| CN (1) | CN100426531C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT508341A3 (en) * | 2009-06-10 | 2012-01-15 | Martin Dipl Ing Hadlauer | CLEANING SYSTEM FOR SOLAR COLLECTORS |
| CN102013444B (en) * | 2010-09-28 | 2013-01-02 | 新奥科技发展有限公司 | Solar electric heating coupled air-cooling system |
| CN103401473A (en) * | 2013-07-24 | 2013-11-20 | 天津市润磬科技有限公司 | Solar energy conversion device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4169738A (en) * | 1976-11-24 | 1979-10-02 | Antonio Luque | Double-sided solar cell with self-refrigerating concentrator |
| CN1541418A (en) * | 2001-06-22 | 2004-10-27 | А | Solar energy converter using optical concentration through liquid |
| CN1542379A (en) * | 2003-11-06 | 2004-11-03 | �Ϻ���ͨ��ѧ | Solar energy thermal phase transformation tracking device |
| CN1542378A (en) * | 2003-11-06 | 2004-11-03 | �Ϻ���ͨ��ѧ | Solar energy optical collector |
| CN1816916A (en) * | 2003-07-07 | 2006-08-09 | 陶氏康宁公司 | Encapsulation of solar cells |
-
2006
- 2006-12-22 CN CNB2006101305163A patent/CN100426531C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4169738A (en) * | 1976-11-24 | 1979-10-02 | Antonio Luque | Double-sided solar cell with self-refrigerating concentrator |
| CN1541418A (en) * | 2001-06-22 | 2004-10-27 | А | Solar energy converter using optical concentration through liquid |
| CN1816916A (en) * | 2003-07-07 | 2006-08-09 | 陶氏康宁公司 | Encapsulation of solar cells |
| CN1542379A (en) * | 2003-11-06 | 2004-11-03 | �Ϻ���ͨ��ѧ | Solar energy thermal phase transformation tracking device |
| CN1542378A (en) * | 2003-11-06 | 2004-11-03 | �Ϻ���ͨ��ѧ | Solar energy optical collector |
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| Publication number | Publication date |
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| CN1988184A (en) | 2007-06-27 |
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Granted publication date: 20081015 Termination date: 20211222 |