CN201620533U - Residual photovoltaic array heat water-cooling and recovery system integrated with building roof - Google Patents
Residual photovoltaic array heat water-cooling and recovery system integrated with building roof Download PDFInfo
- Publication number
- CN201620533U CN201620533U CN2010201405267U CN201020140526U CN201620533U CN 201620533 U CN201620533 U CN 201620533U CN 2010201405267 U CN2010201405267 U CN 2010201405267U CN 201020140526 U CN201020140526 U CN 201020140526U CN 201620533 U CN201620533 U CN 201620533U
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- China
- Prior art keywords
- photovoltaic
- roof
- photovoltaic array
- recovery system
- cooling water
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
-
- 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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- Photovoltaic Devices (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
Abstract
The utility model relates to a residual photovoltaic array heat water-cooling and recovery system integrated with a building roof, which is applied to newly built buildings or existing buildings. At present, the photoelectric conversion rate of the photovoltaic array is 8 to 17 percent under the standard condition, so more than 80 percent of solar energy is not utilized yet. The system is characterized in that: the system comprises asphalt waterproof pantiles laid on an insulating layer of the sloped building roof; a metal support is arranged on the asphalt waterproof pantiles, the upper ends of a plurality of fixing anchor bolts are fixed on the metal support, and the lower ends of the fixing anchor bolts sequentially pass through the pantiles, the roof insulating layer and a roof leveling course and are then fixed on the reinforced concrete roof; a plurality of cooling water tubes are laid on the metal support, and a photovoltaic array is laid upon the cooling water tubes. The utility model achieves the purpose of increasing the utilization rate of solar energy and reducing the roof temperature 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 array waste heat water-cooled recovery system of roofing.
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 module, also claim solar cell array or photovoltaic arrays) the improving constantly of manufacturing process, the price of photovoltaic module 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 conversion 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 ℃, it is about 1% that conversion ratio descends, and that is to say the electricity conversion that can improve photovoltaic generating system by self temperature that reduces photovoltaic arrays, to obtain more solar energy.
The utility model content
The purpose of this utility model provides a kind of and the incorporate photovoltaic array waste heat water-cooled recovery system of building roof, when its photovoltaic generating system at the oblique roofing of building generates electricity, utilize the utility model to reclaim photovoltaic array waste heat, to reduce the temperature of photovoltaic arrays self, improve electricity conversion, reduce the roof surface temperature.
For this reason, the technical solution adopted in the utility model is as follows: a kind of and incorporate photovoltaic array waste heat water-cooled recovery system of building roof, it is characterized in that: it comprises the bituminous waterproofing pantile that is laid on the building roofing heat-insulating layer, described pantile is along tiltedly roofing laying, can solve the problem of roof waterproof and storm-water drainage, strengthen natural ventilation heat exchange effect simultaneously;
2) described bituminous waterproofing pantile is provided with metallic support, 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 pantile, roofing heat-insulating layer and roofing leveling layer successively, by fixing crab-bolt metallic support is fixed on the roofing, metallic support is used for fixing cooling water pipe and photovoltaic arrays;
3) lay many cooling water pipes on the metallic support, photovoltaic arrays is laid in described cooling water pipe top, can absorb more solar energy than metope at the roofing photovoltaic arrays, improves the photovoltaic generation amount, reduces CO
2, effect is better.
The utility model utilizes cooling water pipe and photovoltaic arrays to carry out indirect heat exchange and collects waste heat, reduce the silion cell temperature, improve electricity conversion, the while is in conjunction with the effect of natural ventilation of pantile, help the cooling of conducting heat, reach the purpose of further raising electricity conversion; By collecting the heat that waste heat has reduced building roof, reduce the purpose of air-conditioning system energy consumption; Collect the low-grade hot water that obtains behind the waste heat, can use for types such as hotel, swimming hall, creche, public lavatory, scenic spot building at southern area, can directly irritate to underground at northern area, solve a kind of approach of earth source heat pump soil heat balance problem as cold district.
As the further of technique scheme improved and replenish, the utility model is taked following technical measures:
Above-mentioned photovoltaic array waste heat water-cooled recovery system is provided with aluminium foil between cooling water pipe and the photovoltaic arrays, can utilize aluminium foil heat-transfer effect characteristics preferably, can strengthen the heat exchange between cooling water pipe and photovoltaic arrays, reaches the purpose of fast cooling.
Above-mentioned photovoltaic array waste heat water-cooled recovery system, described photovoltaic arrays is made up of photovoltaic cell watt or photovoltaic battery panel.
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 exchange between cooling water pipe and photovoltaic arrays, reaches the purpose of further cooling; 4) the utility model has improved photovoltaic efficiency, simultaneously photovoltaic generation used heat is reclaimed, and provides domestic hot-water or heating in electric power output, has reached the purpose that improves solar energy utilization rate, 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. 1-2 is a structural representation of the present utility model.
Fig. 3 is the lateral view of Fig. 1.
Fig. 4 is the lateral view of Fig. 2.
The specific embodiment
The utility model is a kind of and the incorporate photovoltaic array waste heat water-cooled recovery system of building roof, and the step of its formation is as follows:
On building roofing heat-insulating layer 5, lay bituminous waterproofing pantile 4, cooling water pipe 3, aluminium foil 2 and photovoltaic arrays 1 according to this, utilize bituminous waterproofing pantile 4 water-proof drainages and intensified ventilation, reduce the heat of roofing, utilize aluminium foil enhanced heat exchange effect, utilize cooling water pipe to reduce photovoltaic arrays temperature and recovery heat energy.Bituminous waterproofing pantile 4 is along tiltedly roofing laying, on described bituminous waterproofing pantile, establish metallic support 6, fixedly the upper end of crab-bolt 7 is affixed with many for metallic support 6, fixedly the lower end of crab-bolt 7 is fixed on the reinforced concrete roof 9 after passing bituminous waterproofing pantile 4, roofing heat-insulating layer 5 and roofing leveling layer 8 successively, by fixing crab-bolt 7 metallic support 6 is fixed on the roofing, metallic support 6 is used for fixing cooling water pipe and photovoltaic arrays.The spacing size of adjacent cooling water pipe is determined by the temperature drop of photovoltaic arrays design.Above-mentioned photovoltaic arrays is made up of photovoltaic cell watt (as shown in Figure 1) or photovoltaic battery panel (as shown in Figure 2).
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 (4)
- One kind with the incorporate photovoltaic array waste heat water-cooled recovery system of building roof, it is characterized in that: it comprises the bituminous waterproofing pantile that is laid on the building roofing heat-insulating layer, described pantile is laid along oblique roofing; Described bituminous waterproofing pantile is provided with metallic support, and this metallic support and the many fixedly upper end of crab-bolt are affixed, and fixedly the lower end of crab-bolt is fixed on the reinforced concrete roof after passing pantile, roofing heat-insulating layer and roofing leveling layer successively; Lay many cooling water pipes on the described metallic support, above described cooling water pipe, lay photovoltaic arrays.
- 2. photovoltaic array waste heat water-cooled recovery system according to claim 1 is characterized in that being provided with aluminium foil between described cooling water pipe and the photovoltaic arrays.
- 3. photovoltaic array waste heat water-cooled recovery system according to claim 1 and 2 is characterized in that having spacing between the adjacent cooling water pipe.
- 4. photovoltaic array waste heat water-cooled recovery system according to claim 3 is characterized in that described photovoltaic arrays is made up of photovoltaic cell watt or photovoltaic battery panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201405267U CN201620533U (en) | 2010-03-24 | 2010-03-24 | Residual photovoltaic array heat water-cooling and recovery system integrated with building roof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201405267U CN201620533U (en) | 2010-03-24 | 2010-03-24 | Residual photovoltaic array heat water-cooling and recovery system integrated with building roof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201620533U true CN201620533U (en) | 2010-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201405267U Expired - Lifetime CN201620533U (en) | 2010-03-24 | 2010-03-24 | Residual photovoltaic array heat water-cooling and recovery system integrated with building roof |
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| Country | Link |
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| CN (1) | CN201620533U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101876195A (en) * | 2010-03-24 | 2010-11-03 | 浙江省建筑科学设计研究院有限公司 | Photovoltaic array waste heat water-cooled recovery system integrated with building roof |
-
2010
- 2010-03-24 CN CN2010201405267U patent/CN201620533U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101876195A (en) * | 2010-03-24 | 2010-11-03 | 浙江省建筑科学设计研究院有限公司 | Photovoltaic array waste heat water-cooled recovery system integrated with building roof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Haibo Inventor after: Zeng Xianchun Inventor after: Lin Yi Inventor after: Lu Lin Inventor after: Wang Jiankui Inventor after: Xu Shiwen Inventor after: Zeng Qinglu Inventor after: Du Xian Inventor after: Zhou Qi Inventor before: Li Hai Inventor before: Zeng Xianchun Inventor before: Lin Yi Inventor before: Lu Lin Inventor before: Wang Jiankui Inventor before: Xu Shiwen Inventor before: Zeng Qinglu Inventor before: Du Xian Inventor before: Zhou Qi |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LI HAI ZENG XIANCHUN LIN YI LU LIN WANG JIANKUI XU SHIWEN ZENG QINGLU DU XIAN ZHOU QI TO: LI HAIBO ZENG XIANCHUN LIN YI LU LIN WANG JIANKUI XU SHIWEN ZENG QINGLU DU XIAN ZHOU QI |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101103 |