CN201817985U - Photovoltaic array air cooling system integrated with building roofing - Google Patents
Photovoltaic array air cooling system integrated with building roofing Download PDFInfo
- Publication number
- CN201817985U CN201817985U CN2010205289388U CN201020528938U CN201817985U CN 201817985 U CN201817985 U CN 201817985U CN 2010205289388 U CN2010205289388 U CN 2010205289388U CN 201020528938 U CN201020528938 U CN 201020528938U CN 201817985 U CN201817985 U CN 201817985U
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- China
- Prior art keywords
- air
- roofing
- photovoltaic arrays
- cooling system
- support
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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
Abstract
The utility model relates to a photovoltaic array air cooling system integrated with a building roofing, which is applied to buildings, and aims to overcome problems that photoelectric conversion efficiency of a photovoltaic generation system is affected directly by temperature rise of a photovoltaic array certainly after an existing photovoltaic array is integrated with a building roofing. The photovoltaic array air cooling system integrated with the building roofing is characterized by comprising waterproof pan tiles laid on an inclined roofing insulation layer of a building, a support connected with a roofing structure layer is arranged above the waterproof pan tiles, the photovoltaic array is laid on the top surface of the support, a space is formed between the waterproof pan tiles and the photovoltaic array, the front side and the rear side of the space are sealed, air ducts are formed among the photovoltaic array and the waterproof pan tiles, air inlets are arranged below the air ducts, and air draft openings are arranged at the air duct at the ridge. The photovoltaic array air cooling system integrated with the building roofing increases photovoltaic generation efficiency, partially recovers waste heat generated during photovoltaic generation simultaneously, improves comprehensive utilization efficiency of solar energy and reduces temperature of roofing and energy consumption.
Description
Technical field
The utility model relates to building energy conservation, field of renewable energy resource utilization, specifically a kind of being applied in new building or the existing building and the incorporate photovoltaic arrays air cooling system of building roof.
Background technology
In recent years, the worsening shortages of conventional energy resource and environment pollution serious day by day, the utilization of clean reproducible energy is more and more paid close attention in the whole world, (it is the solar panel that a plurality of solar battery sheets are formed along with photovoltaic arrays, also claim solar cell array or photovoltaic module) the improving constantly of manufacturing process, the price of photovoltaic arrays continues to descend, and subsidy dynamics in countries in the world is still being strengthened, under this background, improve the photovoltaic generating system electricity conversion and become the research key that advances photovoltaic generating system to use.Photovoltaic arrays is at standard conditions (the irradiation intensity 1000W/m of AM1.5 solar spectrum
225 ℃ of battery temperatures) optoelectronic transformation efficiency is 8%～17% down, also have to surpass 80% solar energy and be not utilized, and the temperature of photovoltaic arrays has a significant impact its generating efficiency, theoretical research shows that the theoretical maximum transformation efficiency of monocrystaline silicon solar cell in the time of 0 ℃ has 30 %.Under the certain condition of light intensity, when silion cell self temperature raises, its power output will descend, studies show that according to pertinent literature, silion cell self temperature raises 1 ℃, and it is about 1% that conversion ratio descends, and photovoltaic arrays and building roof integrated after, certainly will cause the temperature of photovoltaic arrays to raise, thereby directly influence the electricity conversion of photovoltaic generating system.
The utility model content
The purpose of this utility model provides a kind of and the incorporate photovoltaic arrays air cooling system of building roof, when its photovoltaic generating system on being positioned at the oblique roofing of building generates electricity, utilize roofing air cooling system of the present utility model, to reduce the temperature of photovoltaic arrays self, improve electricity conversion, reach simultaneously and reduce the roof surface temperature summer, reduce air conditioning energy consumption; The hot air that utilizes winter mechanical draft to reclaim directly provides heating and new wind to use for the building conduct.
For this reason, the technical solution adopted in the utility model is as follows: a kind of and incorporate photovoltaic arrays air cooling system of building roof, it adopts following steps to form.
1) on the oblique roofing heat-insulating layer of building, lays the waterproof pantile, solve the problem of dischargings such as roof waterproof, seepage rainwater or photovoltaic arrays soffit condensed water, the top of waterproof pantile is provided with the support that is connected with roof construction layer, and described support is metallic support or concrete support.
2) lay photovoltaic arrays at the end face of support, form a space between waterproof pantile and the photovoltaic arrays, forward and backward two sides to this space seal, make between photovoltaic arrays and the waterproof pantile and form the air channel, the below in air channel has air intake, and the place, air channel that is positioned at the ridge place is provided with pulls out the air port, in spring, summer and autumn, the air and the photovoltaic arrays soffit that enter in the air channel carry out heat convection, utilize hot pressing to form nature and pull out wind, reduce the temperature of photovoltaic arrays itself; Support near the ridge place is provided with the mechanical draft pipe, utilizes the air in the plant equipment extraction air channel in the winter time, reduces the temperature of photovoltaic arrays itself, is indoor heating with the hot air that extracts simultaneously.
As the further of technique scheme improved and replenish, the utility model is taked following technical measures:
Above-mentioned photovoltaic arrays air cooling system, described photovoltaic arrays are usually placed in and are positioned on the oblique roofing in south, make full use of solar energy; Also can be arranged in and be positioned on the oblique roofing that is exposed to the north, solar energy utilization ratio is low relatively.
Above-mentioned photovoltaic arrays air cooling system, the support at ridge place is higher than the support of both sides, and both sides at the raised area are opened in the described air port of pulling out, and paste the waterproof plastic band on the waterproof pantile at ridge place, increase water resistance.Pull out the air port drive the side to pull out the wind effect best blow because wind often all is side direction, heat convection speed is fast, can reduce the temperature of photovoltaic arrays itself fast.
Above-mentioned photovoltaic arrays air cooling system, the place, air port of pulling out of the air intake place in air channel and ridge is provided with anti-bird grid, prevents that bird from entering in the air channel.
Above-mentioned photovoltaic arrays air cooling system, metallic support and the many fixedly upper end of crab-bolt are affixed, fixedly the lower end of crab-bolt is fixed on the reinforced concrete roof after passing waterproof pantile, roofing heat-insulating layer and roofing leveling layer successively, by fixing crab-bolt metallic support is fixed on the roofing; The direct pouring of concrete support is on the roofing leveling layer.
Above-mentioned photovoltaic arrays air cooling system, aluminium foil is pasted at the back side of photovoltaic arrays, utilizes aluminium foil heat-transfer effect characteristics preferably, can strengthen the heat convection between vent air and photovoltaic arrays, reaches the purpose of fast cooling.
Above-mentioned photovoltaic arrays air cooling system, a plurality of small through hole or opening are arranged on the tube wall of mechanical draft pipe, air in the air channel enters in the mechanical draft pipe by small through hole or opening, by the purpose that small through hole or number of openings, spacing are controlled intake and reached even ventilation is set.
The utlity model has following beneficial effect: 1) roofing is built photovoltaic generating system and can be obtained more abundant solar energy resources than metope, improves the photovoltaic generation amount; 2) use of waterproof pantile can guarantee roof waterproof and draining, owing to lay along oblique roofing, the waveform space of pantile can utilize hot pressing to reach the effect of strengthening natural ventilation simultaneously; 3) use of aluminium foil can be strengthened the heat convection between vent air and photovoltaic arrays, reaches the purpose of further cooling; 4) operating mode of photovoltaic arrays roofing air cooling system is divided into nature and pulls out two kinds of wind and mechanical drafts, in spring, summer, autumn, because extraneous solar radiation amount is stronger, the generated energy of photovoltaic battery panel is bigger, and the cell panel temperature is also higher simultaneously, and can utilize hot pressing to carry out natural ventilation this moment, in the winter time, utilize blower fan to carry out mechanical draft, when reducing the photovoltaic arrays temperature, the hot air of acquisition directly uses as heating and new wind for building; 5) the utility model has improved photovoltaic efficiency, simultaneously photovoltaic generation used heat is carried out partially recycledly, has reached the comprehensive utilization ratio that improves solar energy, the purpose that reduces the roofing temperature and cut down the consumption of energy.
Below in conjunction with specification drawings and specific embodiments the utility model is further described.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the partial structurtes schematic diagram of Fig. 1.
Fig. 3 is that the A-A of Fig. 1 is to sectional view.
The specific embodiment
As shown in the figure with the incorporate photovoltaic arrays air cooling system of building roof, lay waterproof pantile 2 on the oblique roofing heat-insulating layer 1 of building, metallic support 3 is established in the top of waterproof pantile 2, the end face of metallic support 3 is laid photovoltaic arrays 4, aluminium foil is pasted at its back side.Photovoltaic arrays 4 major parts are located at and are positioned on the oblique roofing in south, and fraction is located at and is positioned on the oblique roofing that is exposed to the north; Form a space between waterproof pantile and the photovoltaic arrays, the forward and backward two sides in this space seal, make and form air channel 5 between photovoltaic arrays 4 and the waterproof pantile 2, the below in air channel has air intake 51, and the metallic support at ridge place is higher than the metallic support of both sides, and the both sides of the raised area have pulls out air port 52, in spring, summer and autumn, the air and the photovoltaic arrays soffit that enter in the air channel carry out heat convection, utilize hot pressing to form nature and pull out wind, reduce the temperature of photovoltaic arrays itself.Metallic support near the ridge place is provided with mechanical draft pipe 6, has a plurality of small through hole on the tube wall of mechanical draft pipe, utilizes the air in the plant equipment extraction air channel in the winter time, reduces the temperature of photovoltaic arrays itself, is indoor heating with the hot air that extracts simultaneously.
Paste waterproof plastic band 7 on the waterproof pantile at ridge place, the place, air port of pulling out of the air intake place in air channel and ridge is provided with anti-bird grid 8.Fixedly the upper end of crab-bolt 9 is affixed with many for metallic support 3, and fixedly the lower end of crab-bolt 9 is fixed on the reinforced concrete roof 11 after passing waterproof pantile 2, roofing heat-insulating layer 1 and roofing leveling layer 10 successively, by fixing crab-bolt metallic support is fixed on the roofing.
The above only is an embodiment of realizing that technological means of the present utility model and the utility model are used, is not that the technical solution of the utility model and purposes are done any pro forma restriction.Simple modification, equivalent variations and modification that every foundation technical spirit of the present utility model is done above technological means and embodiment all fall into protection domain of the present utility model.
Claims (7)
- One kind with the incorporate photovoltaic arrays air cooling system of building roof, it is characterized in that it comprises the waterproof pantile (2) that is laid on the oblique roofing heat-insulating layer of building (1), the top of described waterproof pantile (2) is provided with support, and described support is metallic support (3) or concrete support; The end face of support is laid photovoltaic arrays (4), tiltedly form a space between the waterproof pantile of roofing and the photovoltaic arrays, the forward and backward two sides sealing in this space, form air channel (5) between photovoltaic arrays (4) and the waterproof pantile (2), the below in air channel (5) has air intake (51), the place, air channel that is positioned at the ridge place is provided with pulls out air port (52), and the support at close ridge place is provided with mechanical draft pipe (6).
- 2. photovoltaic arrays air cooling system according to claim 1 is characterized in that the support at ridge place is higher than the support of both sides, and both sides at the raised area are opened in the described air port (52) of pulling out, and paste waterproof plastic band (7) on the waterproof pantile at ridge place.
- 3. photovoltaic arrays air cooling system according to claim 2 is characterized in that the air intake place in air channel and the place, air port of pulling out of ridge are provided with anti-bird grid (8).
- 4. photovoltaic arrays air cooling system according to claim 3, fixedly the upper end of crab-bolt (9) is affixed with many to it is characterized in that described metallic support (3), fixedly the lower end of crab-bolt (9) is fixed on the reinforced concrete roof (11) after passing waterproof pantile (2), roofing heat-insulating layer (1) and roofing leveling layer (10) successively, by fixing crab-bolt metallic support is fixed on the roofing.
- 5. photovoltaic arrays air cooling system according to claim 3 is characterized in that the direct pouring of described concrete support is on roofing leveling layer (10).
- 6. according to claim 4 or 5 described photovoltaic arrays air cooling systems, it is characterized in that aluminium foil is pasted at the back side of described photovoltaic arrays.
- 7. photovoltaic arrays air cooling system according to claim 6 is characterized in that on the tube wall of described mechanical draft pipe a plurality of small through hole or opening being arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205289388U CN201817985U (en) | 2010-09-15 | 2010-09-15 | Photovoltaic array air cooling system integrated with building roofing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205289388U CN201817985U (en) | 2010-09-15 | 2010-09-15 | Photovoltaic array air cooling system integrated with building roofing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201817985U true CN201817985U (en) | 2011-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205289388U Expired - Fee Related CN201817985U (en) | 2010-09-15 | 2010-09-15 | Photovoltaic array air cooling system integrated with building roofing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201817985U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154619A (en) * | 2014-08-30 | 2014-11-19 | 哈尔滨商业大学 | Method for driving natural ventilation air conditioning system of building hollow structure to conduct ventilation by solar energy |
| CN111395698A (en) * | 2020-04-10 | 2020-07-10 | 发达控股集团有限公司 | Novel energy-saving building |
-
2010
- 2010-09-15 CN CN2010205289388U patent/CN201817985U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154619A (en) * | 2014-08-30 | 2014-11-19 | 哈尔滨商业大学 | Method for driving natural ventilation air conditioning system of building hollow structure to conduct ventilation by solar energy |
| CN104154619B (en) * | 2014-08-30 | 2017-04-12 | 哈尔滨商业大学 | Solar driven natural ventilation air conditioning system of building hollow structure and ventilation method |
| CN111395698A (en) * | 2020-04-10 | 2020-07-10 | 发达控股集团有限公司 | Novel energy-saving building |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110504 Termination date: 20190915 |