CN102544169A - Cooling system of solar-cell panel and solar electric heating coupling system - Google Patents
Cooling system of solar-cell panel and solar electric heating coupling system Download PDFInfo
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- CN102544169A CN102544169A CN201010602757XA CN201010602757A CN102544169A CN 102544169 A CN102544169 A CN 102544169A CN 201010602757X A CN201010602757X A CN 201010602757XA CN 201010602757 A CN201010602757 A CN 201010602757A CN 102544169 A CN102544169 A CN 102544169A
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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
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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
- Y02E10/60—Thermal-PV hybrids
Abstract
The invention relates to a cooling system of a solar-cell panel, which comprises at least one heat pipe and a cooling device. Each heat pipe forms a closed inner cavity, a heat conduction medium is contained in the inner cavity, each heat pipe comprises a heat absorbing section and a heat dissipation section, and the heat absorbing section conducts heat exchange with a back plate of the solar-cell panel. The heat dissipation section conducts heat exchange with the cooling device, and circulation flowing of the heat conduction medium is formed between the heat dissipation section and the heat absorbing section. A solar electric heating coupling system containing the cooling system of the solar-cell panel is further provided, wherein the cooling device is a water tank, and the heat dissipation section extends into the water tank to conduct heat exchange with water in the water tank.
Description
Technical field
The present invention relates to a kind of solar panel cooling system and a kind of solar electrothermal combined system.
Background technology
The solar electrothermal GC-MS is a kind of new type solar energy comprehensive utilization technique that integrates solar photovoltaic generating and solar thermal utilization.From realizing that the solar energy utilization ratio improves and enlarge the angle of promoting, this technological industrialization, commercialization will be to impel solar utilization technique upgrading, perfect important actuating force.
At present, the heat utilization in the solar electrothermal GC-MS is mainly with liquid cooling and air cooling dual mode.The heat collector of liquid-cooling type solar electrothermal coupling mainly adopts and is loaded with flowing liquid in metal tubes or the rubber and plastic pipeline and comes cell panel is cooled off; Flowing liquid is taken away the heat that cell panel accepts to shine upon generation; Thereby the temperature that reduces battery back-sheet has promoted the generating efficiency of cell panel, produces the performance of electric heating coproduction.The cavity form is adopted in the coupling of air-cooled solar electrothermal, utilizes the air cooling cell panel, reaches the purpose of cogeneration of heat and power.
In the technique scheme, liquid, gas flow in pipeline or cavity needs to consume big power, and this has influenced the raising of the overall performance of solar electrothermal coupling.In addition, because heat collector pipeline or cavity do not have isothermal, it is inhomogeneous also can to cause the cell panel backboard to be heated, and influences the useful life of cell panel.And the technique scheme collecting efficiency is low, and promptly cooling effect is poor.
Summary of the invention
For solving at least one aspect of technical problem of the prior art, the present invention is proposed.
According to an aspect of the present invention; Proposed a kind of solar panel cooling system, having comprised: at least one heat pipe, each root heat pipe forms the inner chamber of a sealing; Accommodate heat-conduction medium in the inner chamber; And each root heat pipe comprises endotherm section and heat release section, and wherein, the backboard of endotherm section and solar panel carries out heat exchange; Cooling device, heat release section and cooling device carry out heat exchange, wherein between heat release section and endotherm section, form circulating of heat-conduction medium.
Alternatively, each root heat pipe comprises the conducting strip that extends from the body of heat pipe, and a side of conducting strip abuts on the backboard, and the body of heat pipe is arranged on and the relative opposite side of a said side, and the longitudinal direction of conducting strip heat pipe in the endotherm section upper edge extends.Advantageously, comprising under the situation of many heat pipes that the conducting strip between the adjacent heat pipe is adjacent or contact with each other.
Alternatively, the solar panel cooling system also comprises: fixed bolster, be fixed on the backboard of solar panel, and wherein, endotherm section is fixed on the backboard by fixed bolster, and fixed bolster forms the heat transfer pathway between backboard and the endotherm section.Advantageously, a side relative with said backboard on the fixed bolster is provided with a plurality of fixing holes or holddown groove, and each root heat pipe is suitable for being inserted in a corresponding fixing hole or the holddown groove and forms heat conduction with the inwall of fixing hole or holddown groove and contacts.Further, the inwall of each fixing hole or holddown groove is provided with a plurality of heat conduction shell fragments, and this heat conduction shell fragment is heat pipe and form heat transmission with the outer wall of heat pipe fixedly.
Alternatively, each root heat pipe has flat rectangular cross section, and the big side of the heat-conducting area of the endotherm section of all heat pipes is fixed on the backboard with the mode that reclines.
Alternatively, said heat-conduction medium is water or methyl alcohol, and the shell material of said heat pipe is copper, nickel or stainless steel.
Advantageously; Said endotherm section is that evaporation section and said cooling section are condensation segment, in evaporation section, and heat-conduction medium heat absorption and be gaseous state and flowing to condensation segment by liquid phase-change; In condensation segment, the heat-conduction medium that becomes gaseous state is met that cold exothermic phase becomes liquid state and is flowed to evaporation section.
Advantageously, the solar panel cooling system also comprises heat-insulation layer, and said heat pipe is arranged between heat-insulation layer and the backboard.
Advantageously, comprising under the situation of many heat pipes that many heat pipes are gravity assisted heat pipe, and identical, the equidistant parallel interval of length is turned up the soil and is arranged on the backboard.Further, the length with the endotherm section backboard heat exchange many heat pipes are identical.
Each root heat pipe also can be the U-shaped heat pipe.
According to another aspect of the invention, proposed a kind of solar electrothermal combined system, comprising: solar module comprises solar panel; And above-mentioned solar panel cooling system, wherein: said cooling device is a water tank, heat release section extend in the water tank with water tank in water carry out heat exchange.
Through hereinafter with reference to accompanying drawing to the description that the present invention did, other purpose of the present invention and advantage will be obvious, and can help that the present invention is had comprehensive understanding.
Description of drawings
Fig. 1 is the cross sectional representation of solar panel cooling system according to an embodiment of the invention;
Fig. 2 is the cross sectional representation of heat pipe according to an embodiment of the invention and heat pipe bracing or strutting arrangement;
Fig. 3 is the unified sketch map of the solar panel cooling system among Fig. 1, wherein shows heat pipe and cooling device;
Fig. 4 is the sketch map of solar electrothermal combined system according to an embodiment of the invention;
Fig. 5 is heat release section and the sealing between the water tank of the heat pipe illustrative diagram with plastic tube.
Embodiment
Pass through embodiment below, and combine accompanying drawing, do further bright specifically technical scheme of the present invention.In specification, same or analogous drawing reference numeral is indicated same or analogous parts.Following explanation to embodiment of the present invention is intended to present general inventive concept of the present invention is made an explanation with reference to accompanying drawing, and is not to be understood that to a kind of restriction of the present invention.
Shown in Fig. 1-3; Solar panel cooling system according to an embodiment of the invention comprises: at least one heat pipe 1; Each root heat pipe 1 forms the inner chamber of a sealing, accommodates heat-conduction medium in the inner chamber, and each root heat pipe 1 comprises endotherm section 2 and heat release section 3; Wherein, endotherm section 2 carries out heat exchange with the backboard 4 of solar panel 10; Cooling device 5, heat release section 3 is carried out heat exchange with cooling device 5, wherein between heat release section 3 and endotherm section 2, forms circulating of heat-conduction medium.
Because adopted heat pipe 1 to absorb the heat that solar panel produces among the present invention; Not only overcome or alleviated that solar module Yin Wendu raises and the problem that reduces its photoelectric conversion efficiency and influence the useful life of solar module; And avoided using special pump or other power to realize that flowing of heat-conduction medium (promptly do not need the external world that special power is provided; Avoided too much energy consumption), thus the utilization ratio of solar energy further improved.Adopt the mode of heat pipe cooling, heat collector tube starts fast, and collecting efficiency is high, and promptly cooling effect adopts metal tubes or rubber and plastic pipeline obvious.
The heat-conduction medium here can be water or methyl alcohol, and the shell material of heat pipe 1 correspondingly is copper, nickel or stainless steel.The working temperature of methyl alcohol is-45 ℃-120 ℃, and the working temperature of water is 5 ℃-230 ℃.
For example; Each root heat pipe 1 can comprise the conducting strip (not shown) that extends from the body of heat pipe 1; One side of conducting strip abuts on the backboard 4, and the body of heat pipe 1 is arranged on and the relative opposite side of a said side, and conducting strip extends at the longitudinal direction of endotherm section 2 upper edge heat pipes 1.Comprising under the situation of many heat pipes that the conducting strip between the adjacent heat pipe 1 can be adjacent or contacts with each other.Direct and the backboard 4 realization heat exchanges of the conducting strip have here also increased the heat exchange area between heat pipe 1 and the backboard 4 simultaneously.Utilizing heat-conducting glue conducting strip to be fixed under the situation on the backboard 4, conducting strip can also play the fixedly effect of the body of heat pipe 1.
Again for example, the solar panel cooling system can comprise the heat pipe fixture that is independent of heat pipe.Shown in Fig. 1-2, can comprise fixed bolster 6, it is fixed on the backboard 4 of solar panel, and wherein, endotherm section 2 is fixed on the backboard 4 by fixed bolster 6, and the heat transfer pathway between fixed bolster 6 formation backboards 4 and the endotherm section 2.As shown in Figure 2, be provided with a plurality of fixing holes with backboard 4 relative sides on the fixed bolster 6, each root heat pipe is suitable for being inserted in the corresponding fixing hole and forms heat conduction with the inwall of fixing hole and contacts.The fixing hole here also can be holddown groove.Advantageously; In order to realize the available heat transmission between heat pipe 1 and the fixed bolster 6, the inwall of each fixing hole or holddown groove is provided with a plurality of heat conduction shell fragments, and this heat conduction shell fragment is heat pipe and form heat transmission with the outer wall of heat pipe fixedly; Like this; The heat conduction shell fragment not only can itself as heat transfer path, and, can also the outer wall of heat pipe 1 be pushed against on the inwall of fixing hole or holddown groove to improve heat transfer efficiency.Can utilize heat-conducting glue that fixed bolster 6 is fixed on the backboard 4.
Although do not illustrate,, each root heat pipe 1 can have flat rectangular cross section, and the big side of the heat-conducting area of the endotherm section 2 of all heat pipes 1 is fixed on the backboard 4 with the mode that reclines.
Advantageously; Endotherm section 2 is that evaporation section and cooling section 3 is condensation segment, in evaporation section, and heat-conduction medium heat absorption and be gaseous state and flowing to condensation segment by liquid phase-change; In condensation segment, the heat-conduction medium that is in the gaseous state of saturation condition is met that cold exothermic phase becomes liquid state and is flowed to evaporation section.In this case, the heat-conduction medium in the heat pipe 1 absorbs heat and heat release with the mode of phase transformation, thereby heat pipe 1 can have isothermal characteristics.Heat-conduction medium in the heat pipe 1 absorbs heat under uniform temp and during heat release, helps being heated evenly of solar panel.
As shown in fig. 1, the solar panel cooling system also comprises heat-insulation layer 7, and heat pipe 1 is arranged between heat-insulation layer 7 and the backboard 4.For example, the heat-insulation layer that adds a metal sheath in fixed bolster 4 back makes whole solar cell plate cooling system modularization, and has reduced the influence of extraneous opposite heat tube 1 thermal-arrest, heat transfer.
In addition, as shown in Figure 3, comprising under the situation of many heat pipes that many heat pipes 1 are gravity assisted heat pipe, and identical, the equidistant parallel interval of length is turned up the soil and is arranged on the backboard.Advantageously, the length with endotherm sections 2 backboard 4 heat exchange many heat pipes 1 are identical.Such layout not only helps being heated evenly of solar panel backboard, also helps heat pipe 1 and is heated evenly.
Although do not illustrate in the drawings,, heat pipe 1 also can be other shape.For example, heat pipe 1 can be the U-shaped heat pipe, and the U-shaped portion of this U-shaped heat pipe or two ends can be as heat release section or endotherm sections, and preferably, the U-shaped portion of U-shaped heat pipe is as heat release section, and two sections of extending in parallel of U-shaped heat pipe can form endotherm section.Arrangement or fixed form to gravity assisted heat pipe in this specification also can be applied to the U-shaped heat pipe.
As shown in Figure 4, the invention still further relates to a kind of solar electrothermal combined system, it comprises: solar module 8 comprises solar panel; And above-mentioned solar panel cooling system, wherein: cooling device 5 is a water tank, heat release section 3 extend in the water tank with water tank in water carry out heat exchange.
In solar electrothermal combined system according to the present invention; Solar module and solar collector (corresponding to above-mentioned solar panel cooling system) are combined; Be electric energy and heat energy with conversion of solar energy simultaneously, improved total utilization ratio of solar energy.Be that example describes the solar electrothermal combined system with Fig. 3,4 below.The cooling device 5 of heat pipe 1 is a water tank, and mobile water is arranged in the water tank.Along with the rising of solar cell plate temperature, the heat-conduction medium in the heat pipe 1 is heated at evaporation section and becomes gaseous state by liquid state, and evaporation section equidistant spaced apart parallel on the backboard of solar panel is arranged.At condensation segment, the heat-conduction medium of gaseous state is met cold exothermic phase and is become liquid state, is back to evaporation section, the phase transformation of absorbing heat once more.Because the heat absorption of heat-conduction medium in the heat pipe 1, the temperature of solar panel reduces, thereby makes the generating efficiency Yin Wendu of solar panel reduce and get a promotion.So system can realize generating electricity, thermal-arrest is integrated, has promoted system's solar energy composite utilization ratio.
As shown in Figure 5, the heat release section 3 of heat pipe 1 extends in the water tank through the opening on the water tank, is connected with plastic tube 8 between the heat release section 3 of heat pipe 1 and the opening of water tank, guarantees that both combine closely, in case leak-stopping water and being incubated.Along with the shape of heat release section 3 is different, the shape of opening also can be different, and correspondingly, the shape of plastic tube 8 also can be different.
Although illustrated and described embodiments of the invention; For those of ordinary skill in the art; Be appreciated that under the situation that does not break away from principle of the present invention and spirit and can change that scope of the present invention is limited accompanying claims and equivalent thereof to these embodiment.
Claims (15)
1. solar panel cooling system comprises:
At least one heat pipe, each root heat pipe forms the inner chamber of a sealing, accommodates heat-conduction medium in the inner chamber, and each root heat pipe comprises endotherm section and heat release section, and wherein, the backboard of endotherm section and solar panel carries out heat exchange;
Cooling device, heat release section and cooling device carry out heat exchange,
Wherein between heat release section and endotherm section, form circulating of heat-conduction medium.
2. solar panel cooling system according to claim 1, wherein:
Each root heat pipe comprises the conducting strip that extends from the body of heat pipe, and a side of conducting strip abuts on the backboard, and the body of heat pipe is arranged on and the relative opposite side of a said side, and the longitudinal direction of conducting strip heat pipe in the endotherm section upper edge extends.
3. solar panel cooling system according to claim 2, wherein:
Comprise many heat pipes, and the conducting strip between the adjacent heat pipe is adjacent or contact with each other.
4. solar panel cooling system according to claim 1 also comprises:
Fixed bolster is fixed on the backboard of solar panel,
Wherein, endotherm section is fixed on the backboard by fixed bolster, and fixed bolster forms the heat transfer pathway between backboard and the endotherm section.
5. solar panel cooling system according to claim 4, wherein:
A side relative with said backboard on the fixed bolster is provided with a plurality of fixing holes or holddown groove, and each root heat pipe is suitable for being inserted in a corresponding fixing hole or the holddown groove and forms heat conduction with the inwall of fixing hole or holddown groove and contacts.
6. solar panel cooling system according to claim 5, wherein:
The inwall of each fixing hole or holddown groove is provided with a plurality of heat conduction shell fragments, and this heat conduction shell fragment is heat pipe and form heat transmission with the outer wall of heat pipe fixedly.
7. solar panel cooling system according to claim 1, wherein:
Each root heat pipe has flat rectangular cross section, and the big side of the heat-conducting area of the endotherm section of all heat pipes is fixed on the backboard with the mode that reclines.
8. solar panel cooling system according to claim 1, wherein:
Said heat-conduction medium is water or methyl alcohol, and the shell material of said heat pipe is copper, nickel or stainless steel.
9. solar panel cooling system according to claim 1, wherein:
Said endotherm section is that evaporation section and said cooling section are condensation segment; In evaporation section; Heat-conduction medium heat absorption and be gaseous state and flowing to condensation segment by liquid phase-change, in condensation segment, the heat-conduction medium that becomes gaseous state is met that cold exothermic phase becomes liquid state and is flowed to evaporation section.
10. solar panel cooling system according to claim 1 also comprises heat-insulation layer, and said heat pipe is arranged between heat-insulation layer and the backboard.
11. according to each described solar panel cooling system among the claim 1-10, wherein:
Comprise many heat pipes, said many heat pipes are gravity assisted heat pipe, and identical, the equidistant parallel interval of said many heat pipe length is turned up the soil and is arranged on the backboard.
12. solar panel cooling system according to claim 11, wherein:
Length with the endotherm section backboard heat exchange many heat pipes are identical.
13. according to each described solar panel cooling system among the claim 1-10, wherein:
Each root heat pipe is the U-shaped heat pipe.
14. a solar electrothermal combined system comprises:
Solar module comprises solar panel; And
According to each described solar panel cooling system among the claim 1-13,
Wherein:
Said cooling device is a water tank,
Heat release section extend in the water tank with water tank in water carry out heat exchange.
15. solar electrothermal combined system according to claim 14, wherein:
Heat release section extends in the water tank through the opening on the water tank, and is connected with plastic tube between heat release section and the opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010602757.XA CN102544169B (en) | 2010-12-21 | Solar panel cooling system and solar electrothermal combined system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010602757.XA CN102544169B (en) | 2010-12-21 | Solar panel cooling system and solar electrothermal combined system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102544169A true CN102544169A (en) | 2012-07-04 |
| CN102544169B CN102544169B (en) | 2016-12-14 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104048373A (en) * | 2013-03-15 | 2014-09-17 | 珠海兴业新能源科技有限公司 | Solar air conditioner CCHP (Combined Cooling Heating and Power) system based on photovoltaic power generation system |
| CN107070398A (en) * | 2017-05-31 | 2017-08-18 | 安徽沃兰朵电源技术有限公司 | One kind is based on current heat absorption circulating solar energy cell panel |
| CN108538946A (en) * | 2018-06-21 | 2018-09-14 | 北京铂阳顶荣光伏科技有限公司 | Photovoltaic generating system, photovoltaic component mounting structure and photovoltaic module |
| CN108808157A (en) * | 2017-04-28 | 2018-11-13 | 长城汽车股份有限公司 | The cooling system and vehicle of battery |
| WO2019062311A1 (en) * | 2017-09-30 | 2019-04-04 | 京东方科技集团股份有限公司 | Heat dissipation member for circuit board, and display panel using same |
| CN116417534A (en) * | 2023-04-20 | 2023-07-11 | 德州金亨新能源有限公司 | Flat heat pipe solar cogeneration energy collecting plate and preparation method |
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| US20080308152A1 (en) * | 2007-06-15 | 2008-12-18 | The Boeing Company | Solar collector with angled cooling fins |
| CN101388420A (en) * | 2008-10-08 | 2009-03-18 | 大连理工大学 | Closed-loop capillary solar photovoltaic thermoelectric plate |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104048373A (en) * | 2013-03-15 | 2014-09-17 | 珠海兴业新能源科技有限公司 | Solar air conditioner CCHP (Combined Cooling Heating and Power) system based on photovoltaic power generation system |
| CN108808157A (en) * | 2017-04-28 | 2018-11-13 | 长城汽车股份有限公司 | The cooling system and vehicle of battery |
| CN107070398A (en) * | 2017-05-31 | 2017-08-18 | 安徽沃兰朵电源技术有限公司 | One kind is based on current heat absorption circulating solar energy cell panel |
| CN107070398B (en) * | 2017-05-31 | 2019-08-09 | 刘海明 | One kind is based on water flow heat absorption circulating solar energy solar panel |
| WO2019062311A1 (en) * | 2017-09-30 | 2019-04-04 | 京东方科技集团股份有限公司 | Heat dissipation member for circuit board, and display panel using same |
| CN108538946A (en) * | 2018-06-21 | 2018-09-14 | 北京铂阳顶荣光伏科技有限公司 | Photovoltaic generating system, photovoltaic component mounting structure and photovoltaic module |
| CN116417534A (en) * | 2023-04-20 | 2023-07-11 | 德州金亨新能源有限公司 | Flat heat pipe solar cogeneration energy collecting plate and preparation method |
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