CN202899475U - Two-way cooling device capable of utilizing natural low temperature heat source for photovoltaic buildings - Google Patents
Two-way cooling device capable of utilizing natural low temperature heat source for photovoltaic buildings Download PDFInfo
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- CN202899475U CN202899475U CN201220531080XU CN201220531080U CN202899475U CN 202899475 U CN202899475 U CN 202899475U CN 201220531080X U CN201220531080X U CN 201220531080XU CN 201220531080 U CN201220531080 U CN 201220531080U CN 202899475 U CN202899475 U CN 202899475U
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- cooling
- air
- low temperature
- heat source
- temperature heat
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/10—Photovoltaic [PV]
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
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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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Abstract
The utility model discloses a two-way cooling device capable of utilizing a natural low temperature heat source for photovoltaic buildings. The two-way cooling device capable of utilizing the natural low temperature heat source for the photovoltaic buildings comprises a plurality of photovoltaic modules, a cooling portion, a low temperature heat source portion and a connecting pipeline system, wherein the plurality of photovoltaic modules are installed on a roof through component frameworks, the cooling portion is placed on the roof, the low temperature heat source portion is placed under the ground, and the connecting pipeline system communicates the cooling portion and the low temperature heat source portion. The cooling portion comprises pit-shaped cooling holes which are formed below the photovoltaic modules, the connecting pipeline system enables cooling air of the low temperature heat source portion to be conveyed to the cooling holes to cool the photovoltaic modules, and the cooling air can cool the roof when circulating through the roof. Due to the fact that natural underground cold air, used as the low temperature heat source, enables the inner of a building with a sloping structure and solar panel components which are integrated with a photovoltaic building to be gradually cooled, not only is indoor temperature environment improved, but also generating efficiency of solar panels is enhanced, and any energy sources are not required. In addition, the two-way cooling device capable of utilizing the natural low temperature heat source for the photovoltaic buildings does not pollute the environment, and is practical, environment-friendly, economical and especially worth to be popularized in areas where temperature difference at day and night is bigger and high altitude areas.
Description
Technical field
The utility model relates to BIPV building roof device, especially a kind of device that utilizes the two-way cooling of natural low temperature thermal source photovoltaic building.
Background technology
The photovoltaic module of BIPV must satisfy the performance requirement of photovoltaic module, satisfies again simultaneously relevant building safety performance requirement, therefore mechanics and the thermal property higher than common component need to be arranged.Especially heat-resisting temperature, in different places, different story heights, different roof modes has all proposed strict requirement to its thermal property.
Photovoltaic battery panel physical index and relevant operating characteristic thereof show: when the operating temperature of photovoltaic cell component was higher, operating efficiency descended.Along with the rising of photovoltaic battery temperature, open-circuit voltage reduces, 20-100 degree centigrade of scope, 1 degree centigrade of about every rising, the voltage of photovoltaic cell reduces 2mV, and photoelectric current slightly rises with the rising of temperature, and the photoelectric current of 1 degree centigrade of battery of about every rising increases one thousandth.Generally speaking, 1 degree centigrade of the every rising of temperature, then power reduces 0.35%.The basic conception of Here it is temperature coefficient, different photovoltaic cells, temperature coefficient are also different, so temperature coefficient is one of judgment criteria of photovoltaic cell performance.Be not difficult to find out thus temperature to the impact of photovoltaic cell capable of generating power efficient, how improve generating efficiency and say to be exactly the operating temperature that how to reduce it from another aspect.
The photovoltaic module that uses in the BIPV building generally is placed in metope and roof, because conversion factor affecting such as geographical position, four seasons weathers, this medium temperature missionary society is very large; Add that global climate in recent years warms, it is quite high particularly to be bound in period in summer operating temperature, and solar radiation generated output the strongest and solar cell is also the highest just at this moment.This shows how to avoid the temperature rise of assembly self too high or directly reduce its temperature, just become the key that solves temperature and this a pair of contradiction of generating efficiency.
Aspect another one, from the correlation of building and environment temperature thereof, building ground, building near-bottom temperature is decided by that just it has or not the underground building structure.Take in the north as example, the building that has or not basement was done the indoor temperature contrast of a first floor in dog days in summer, consequently under the condition of closing window, have one deck temperature of basement will exceed the 7-8 degree than what do not have.This has proved absolutely that the underground building structure is on building the impact of interior temperature, also the huge refrigeration potentiality that the underground low temperature thermal source is contained have been reflected from another angle, it not only can be used as the refrigeration low-temperature thermal source of building interior, and can also be for lowering the temperature with the solar panel of building one.
In sum, by two problems are connected solution, for the photovoltaic module that is arranged at the roof, obtain higher generating efficiency and reduce the operating temperature on photovoltaic roof in summer, while can be had both again the function that cools on roof, becomes the breach of overall solution.
The utility model content
For the problem that prior art exists, the purpose of this utility model is to provide a kind of device simply, the device that utilizes the two-way cooling of natural low temperature thermal source photovoltaic building of lowering the temperature simultaneously for photovoltaic module and roof.
For achieving the above object, a kind of device that utilizes the two-way cooling of natural low temperature thermal source photovoltaic building of the utility model, comprise by component framework be installed in the roof some photovoltaic modulies, be positioned at the cooling section on roof, the connecting line system that is positioned at underground low-temperature heat source section and cooling section and low-temperature heat source section are interconnected, wherein, cooling section comprises the shape cooling cave, hole that is arranged on the photovoltaic module below, it is the photovoltaic module cooling that described connecting line system is delivered to the cooling-air of low-temperature heat source section that the cooling cave comes, and is cooling roof when circulating through the roof.
Further, described low-temperature heat source section comprises and is arranged at underground low-temperature heat source chamber.
Further, described cooling section also comprises the cooling layer, and this cooling layer comprises cooling air channel and heat-sink shell, and heat-sink shell is installed on the roof, and the air channel that lowers the temperature is arranged between heat-sink shell and the described component framework.
Further, the lower end in described cooling air channel is connected with the cooling-air input of described connecting line system, and the gas access in all described cooling caves all is connected with described cooling air channel, by described cooling air channel to all uniform input cooling-airs in described cooling cave.
Further, described connecting line system comprise the described low-temperature heat source of circulation serial connection section to described cooling section upcast ventilation pipe and lower air conduit, be communicated with all described cooling caves and to the inlet air pipe network of its input cooling-air, be communicated with the air-out pipe network of air after all described cooling caves and the output heat absorption; Total port of air-out pipe network is communicated with lower air conduit, and both junctions are provided with gate out switch.
Further, be provided with entry switch between the lower port in described cooling air channel and the upcast ventilation pipe upper port.
Further, the cooling-air input port in all described cooling caves is arranged in parallel by described inlet air pipe network and all is communicated with the cooling air channel, and the air-out in all described cooling caves is arranged in parallel by described air-out pipe network and all is communicated with described lower air conduit top and exports gas to it.
Further, described cooling cave is the square hole seat on marginal belt projection edge, and described photovoltaic module is fixedly mounted on projection along upper.
Further, described upcast ventilation pipe and the lower air conduit end that is positioned at described low-temperature heat source chamber is respectively arranged with air pump, lower air pump.
Further, be provided with through swtich between the upper port in described cooling air channel and the lower air conduit.
The utility model utilizes natural underground cold air as low-temperature heat source, solar cell panel assembly indoor and the photovoltaic building one to the inclined-plane building carries out one by one cooling down, namely improved the generating efficiency that indoor temperature environment has improved again solar panel, and without any need for energy input, free from environmental pollution, have larger practicality and environmental protection and economy, especially reach more greatly the highlands at day and night temperature and be worthy to be popularized.
Description of drawings
Fig. 1 is that the global sections master of the utility model apparatus structure looks schematic diagram;
Fig. 2 is the top structure schematic diagram of the utility model apparatus structure;
Fig. 3 is that the cooling-air at the utility model device top flows to schematic diagram.
The specific embodiment
Below, with reference to the accompanying drawings, the utility model is more fully illustrated, shown in the drawings of exemplary embodiment of the present utility model.Yet the utility model can be presented as multiple multi-form, and should not be construed as the exemplary embodiment that is confined to narrate here.But, these embodiment are provided, thereby make the utility model comprehensively with complete, and scope of the present utility model is fully conveyed to those of ordinary skill in the art.
In order to be easy to explanation, here can use such as " on ", the space relative terms such as D score " left side " " right side ", be used for element shown in the key diagram or feature with respect to the relation of another element or feature.It should be understood that except the orientation shown in the figure spatial terminology is intended to comprise the different azimuth of device in using or operating.For example, if the device among the figure is squeezed, be stated as the element that is positioned at other elements or feature D score will be positioned at other elements or feature " on ".Therefore, the exemplary term D score can comprise upper and lower orientation both.Device can otherwise be located (90-degree rotation or be positioned at other orientation), and the relative explanation in used space here can correspondingly be explained.
Application principle: utilize cold air convection circulation conduction cooling, air as the carrier of heat in the low-temperature heat source heat release, absorb heat at high temperature heat source.Wherein high temperature heat source refers to roof and cooling position, cave, and heat of high temperature there is respectively from indoor and solar cell panel assembly, and therefore heat absorption can reduce the environment temperature of two places and reach the cooling purpose.
As shown in Figure 1 to Figure 3, a kind of device that utilizes the two-way cooling of natural low temperature thermal source photovoltaic building of the utility model, the connecting line system that comprises the cooling section that is positioned at the roof, is positioned at underground low-temperature heat source section and cooling section and low-temperature heat source section are interconnected, cooling section, low-temperature heat source section and connecting line system integration one.
Wherein, cooling section comprises photovoltaic module layer and cooling layer; Low-temperature heat source section comprises and is arranged at underground low-temperature heat source chamber 7.
The connecting line system comprises: upcast ventilation pipe 8 and the lower air conduit 9 of circulation serial connection underground low temperature thermal source section to cooling roof section, be communicated with photovoltaic module layer and cooling layer inlet air pipe network 13, be communicated with air-out pipe network 14, the gate out switch 16 of photovoltaic module layer and lower air conduit 9, the entry switch 15 that is communicated with upcast ventilation pipe 8 and lowers the temperature layer.The entry switch 15 of connecting line system is arranged between the low side on upcast ventilation pipe 8 tops and cooling 10 inclined-planes, air channel, and gate out switch 16 is arranged at lower air conduit 9 tops and air-out pipe network 14 between the interface of component framework 1 beveled top end.
Photovoltaic module layer structure explanation: as shown in Figure 1, 2, it is arranged at the inclined-plane on roof, comprise: the shape cooling cave 4, hole of thereon some photovoltaic modulies 3 of component framework 1, spiral-lock, photovoltaic module 3 belows, and respectively with inclined-plane low side one side in cooling cave 4 and inlet air pipe network 13 and the air-out pipe network 14 that a high-end side is communicated with.Wherein inlet air pipe network 13 is communicated with again cooling 10 tops, air channel; Air-out pipe network 14 is communicated with cooling 4 tops, cave and lower air conduit 9 tops at the beveled top end of component framework 1 again.Several cooling caves 4 of arranging along the inclined-plane are in parallel the connection in air-out pipe network 14.In the utility model, the cooling-air input port in all cooling caves 4 is arranged in parallel by inlet air pipe network 13 and all is communicated with cooling air channel 10, and the air-out in all cooling caves 4 is arranged in parallel by air-out pipe network 14 and all is communicated with lower air conduit 9 tops to the interior output of its pipe gas.The structure setting of inlet air pipe network 13 and air-out pipe network 14, it is even to have reached gas distribution, the effect that gas transmission is unobstructed.
Cooling roof layer structure explanation: as shown in Figure 1, 2, it comprises cooling air channel 10 and heat-sink shell 2, cooling air channel 10 is a rectangular roof space structure, setting position is between the photovoltaic module layer and the heat-sink shell 2 below it of its top, heat-sink shell 2 is installed on the roof, heat-sink shell 2 is made by Heat Conduction Material, and heat-sink shell 2 can absorb the heat on roof, to reduce roof and indoor temperature.
During work: as shown in Figure 1, 2, 3, the cold air of system by opening, in 7 bottoms, low-temperature heat source chamber and along sunny side wall upcast ventilation pipe 8 setting up and down, again through entry switch 15 deliver to the cooling air channel 10 come to be cooling roof; To enter the bottom in cooling cave 4 be photovoltaic module 3 cooling to inlet air pipe network 13 openings by cooling 10 tops, air channel simultaneously, the interface of cooling-air through cooling 4 tops, cave enters and by air-out pipe network 14, enters lower air conduit 9 through gate out switch 16 again and transport to the underground cooling circulation of finishing subsequently.Can open the upcast ventilation pipe 8 that is positioned at low-temperature heat source chamber 7, the lower air pump 5 of 9 liang of interfaces of lower air conduit, upper air pump 6 promotion circulating cold air therebetween if needed.
Be provided with through swtich 18 between the upper port in cooling air channel 10 and the lower air conduit 9, through swtich 18 controls are communicated with, isolate the slope headroom in top with the cooling air channel 10 of lower air conduit 9, when needs accelerate room temperature lowering, open through swtich 18, cooling air channel 10 directly is communicated with lower air conduit 9, cold air in the low-temperature heat source chamber 7 circulates by cooling air channel 10, lower air conduit 9 fast from upcast ventilation pipe 8, reaches the purpose of accelerating indoor 19 coolings by strengthening circulating cold air.Wherein single arrow 21 represents the circulating cold air flow directions.
Claims (10)
1. device that utilizes the two-way cooling of natural low temperature thermal source photovoltaic building, it is characterized in that, this device comprise by component framework be installed in the roof some photovoltaic modulies, be positioned at the cooling section on roof, the connecting line system that is positioned at underground low-temperature heat source section and cooling section and low-temperature heat source section are interconnected, wherein, cooling section comprises the shape cooling cave, hole that is arranged on the photovoltaic module below, it is the photovoltaic module cooling that described connecting line system is delivered to the cooling-air of low-temperature heat source section that the cooling cave comes, and is cooling roof when circulating through the roof.
2. the device that utilizes the two-way cooling of natural low temperature thermal source photovoltaic building as claimed in claim 1 is characterized in that, described low-temperature heat source section comprises and is arranged at underground low-temperature heat source chamber.
3. the device that utilizes the two-way cooling of natural low temperature thermal source photovoltaic building as claimed in claim 1, it is characterized in that, described cooling section also comprises the cooling layer, this cooling layer comprises cooling air channel and heat-sink shell, heat-sink shell is installed on the roof, and the cooling air channel is arranged between heat-sink shell and the described component framework.
4. the device that utilizes the two-way cooling of natural low temperature thermal source photovoltaic building as claimed in claim 3, it is characterized in that, the lower end in described cooling air channel is connected with the cooling-air input of described connecting line system, and the gas access in all described cooling caves all is connected with described cooling air channel, by described cooling air channel to all uniform input cooling-airs in described cooling cave.
5. the device that utilizes the two-way cooling of natural low temperature thermal source photovoltaic building as claimed in claim 1, it is characterized in that, described connecting line system comprise the described low-temperature heat source of circulation serial connection section to described cooling section upcast ventilation pipe and lower air conduit, be communicated with all described cooling caves and to the inlet air pipe network of its input cooling-air, be communicated with the air-out pipe network of air after all described cooling caves and the output heat absorption; Total port of air-out pipe network is communicated with lower air conduit, and both junctions are provided with gate out switch.
6. such as claim 3 or the 5 described devices that utilize the two-way cooling of natural low temperature thermal source photovoltaic building, it is characterized in that, be provided with entry switch between the lower port in described cooling air channel and the upcast ventilation pipe upper port.
7. the device that utilizes the two-way cooling of natural low temperature thermal source photovoltaic building as claimed in claim 5, it is characterized in that, the cooling-air input port in all described cooling caves is arranged in parallel by described inlet air pipe network and all is communicated with the cooling air channel, and the air-out in all described cooling caves is arranged in parallel by described air-out pipe network and all is communicated with described lower air conduit top and exports gas to it.
8. the device that utilizes the two-way cooling of natural low temperature thermal source photovoltaic building as claimed in claim 1 is characterized in that, described cooling cave is the square hole seat on marginal belt projection edge, and described photovoltaic module is fixedly mounted on projection along upper.
9. the device that utilizes the two-way cooling of natural low temperature thermal source photovoltaic building as claimed in claim 5 is characterized in that, the end that described upcast ventilation pipe and lower air conduit are positioned at described low-temperature heat source chamber is respectively arranged with air pump, lower air pump.
10. such as claim 3 or the 5 described devices that utilize the two-way cooling of natural low temperature thermal source photovoltaic building, it is characterized in that, be provided with through swtich between the upper port in described cooling air channel and the lower air conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220531080XU CN202899475U (en) | 2012-10-17 | 2012-10-17 | Two-way cooling device capable of utilizing natural low temperature heat source for photovoltaic buildings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220531080XU CN202899475U (en) | 2012-10-17 | 2012-10-17 | Two-way cooling device capable of utilizing natural low temperature heat source for photovoltaic buildings |
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| Publication Number | Publication Date |
|---|---|
| CN202899475U true CN202899475U (en) | 2013-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220531080XU Withdrawn - After Issue CN202899475U (en) | 2012-10-17 | 2012-10-17 | Two-way cooling device capable of utilizing natural low temperature heat source for photovoltaic buildings |
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| CN (1) | CN202899475U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102900207A (en) * | 2012-10-17 | 2013-01-30 | 中海阳新能源电力股份有限公司 | Device for two-way cooling of photovoltaic building by using natural low-temperature heat source |
| CN107612469A (en) * | 2017-08-23 | 2018-01-19 | 华电电力科学研究院 | A kind of new photovoltaic power station system and its layout method |
| CN108429536A (en) * | 2018-05-18 | 2018-08-21 | 西安黄河光伏科技股份有限公司 | A kind of photovoltaic module heat sink and photovoltaic module |
-
2012
- 2012-10-17 CN CN201220531080XU patent/CN202899475U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102900207A (en) * | 2012-10-17 | 2013-01-30 | 中海阳新能源电力股份有限公司 | Device for two-way cooling of photovoltaic building by using natural low-temperature heat source |
| CN102900207B (en) * | 2012-10-17 | 2015-05-06 | 中海阳能源集团股份有限公司 | Device for two-way cooling of photovoltaic building by using natural low-temperature heat source |
| CN107612469A (en) * | 2017-08-23 | 2018-01-19 | 华电电力科学研究院 | A kind of new photovoltaic power station system and its layout method |
| CN108429536A (en) * | 2018-05-18 | 2018-08-21 | 西安黄河光伏科技股份有限公司 | A kind of photovoltaic module heat sink and photovoltaic module |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: RAYSPOWER ENERGY GROUP CO., LTD. Free format text: FORMER NAME: NEW ENERGY POWER CO., LTD. IN HAI DUONG |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 102200 Changping District science and Technology Park, Beijing Road No. 17 Patentee after: Rayspower Energy Group Co., Ltd. Address before: 102200 Changping District science and Technology Park, Beijing Road No. 17 Patentee before: RAYSPOWER NEW ENERGY Co.,Ltd. |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20130424 Effective date of abandoning: 20150506 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20130424 Effective date of abandoning: 20150506 |
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| RGAV | Abandon patent right to avoid regrant |