CN103329767A - Cold island effect device - Google Patents
Cold island effect device Download PDFInfo
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- CN103329767A CN103329767A CN2013102438105A CN201310243810A CN103329767A CN 103329767 A CN103329767 A CN 103329767A CN 2013102438105 A CN2013102438105 A CN 2013102438105A CN 201310243810 A CN201310243810 A CN 201310243810A CN 103329767 A CN103329767 A CN 103329767A
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- Prior art keywords
- reflective
- cool island
- cool
- roller shutter
- cold island
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S90/00—Solar heat systems not otherwise provided for
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G15/00—Devices or methods for influencing weather conditions
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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
- Y02E10/40—Solar thermal energy, e.g. solar towers
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Atmospheric Sciences (AREA)
- Environmental Sciences (AREA)
- Photovoltaic Devices (AREA)
- Other Air-Conditioning Systems (AREA)
- Building Environments (AREA)
Abstract
A cold island effect belongs to a phenomenon of climatic change. At present, the research of human beings on the cold island effect is only limited to the scientific filed, and is not related to the field of technical invention. By adopting the invention, the first application of a cold island effect principle in the technical field is realized for the first time. A cold island effect device disclosed by the invention comprises a plurality of reflecting devices, wherein the reflecting devices are arranged above the ground, water surfaces or buildings; the reflecting planes of the reflecting devices are parallel to or oblique to a horizontal plane, and most sunlight can be reflected back to the space, so that a relatively low-temperature cold island is formed in a surface region where the reflecting devices are positioned; and the cold island and surrounding atmospheric air form the cold island effect by interaction, so that the aims of heatstroke prevention cooling, resisting drought and preserving moisture are fulfilled. The cold island effect device can be widely applied to heatstroke prevention cooling of urban squares, residential areas and commercial areas as well as drought resistance and moisture preservation of dry lands, arid regions and deserts. Due to the adoption of the cold island effective device, combined application of ''cold island, photovoltaic effect and wind power'' can also be realized.
Description
One. technical field
The present invention relates to a kind of cool island effect principle that utilizes realizes preventing heatstroke and lower the temperature and the technique device of drought-resistant moisture-preserving.
Two. background technology
The cool island effect belongs to a kind of phenomenon of climatic variation, at present, human the cool island Study on Effect is comprised: Urban Parks's cool island effect and oasis cool island effect, and the cool island Study on Effect only only limited to scientific domain, do not relate to the technological invention field as yet.The present invention has then realized the first Application of cool island effect principle in technical field.
The cool island effect of Urban Parks has significant effect to the reducing temperature of heatstroke prevention in city summer, this all has proof in many scientific research documents, but the city is the city after all, can not increase area and the quantity in park in the city for the reducing temperature of heatstroke prevention in summer in large quantities.Therefore, the city is in order to prevent heatstroke and lower the temperature in summer, and people adopt aircondition to reduce temperature in the room to achieve the goal usually.Though air-conditioning can reduce the temperature in the room, the waste hot gas that air-conditioning discharges makes that but the environmental temperature outside the house has raise.In summer, a large amount of air-conditionings move simultaneously, make the entire city environmental temperature raise, so more people can't stand sweltering heat, are forced to follow-up and use air-conditioning, cause the urban environment temperature higher.This shows that air-conditioning is a kind of reducing temperature of heatstroke prevention technique device of vicious circle, and air-conditioning uses the energy that consumes, and is finally converted into heat energy, and has heated the air of surrounding environment, makes the entire environment temperature become higher, and has wasted a large amount of energy.
The cool island effect of oasis has significant effect to the drought-resistant moisture-preserving of arid area, this also all has proof in many scientific research documents, the cool island effect in oasis can reduce the temperature on the face of land, oasis, reduces the water evaporates in oasis, thereby keeps and enlarge oasis area.But in the desert, form the oasis, a large amount of water must be arranged, and the material that water lacks in the desert just most.Therefore, the oasis all is natural formation, and artificial oasis also do not have at present.At present, because the influence of mankind's activity and climatic variation, many areas, land are arid more and more, and arid is resisted in the new technological invention of human urgent need.
Three. summary of the invention
Because a large amount of water is contained in park and oasis, specific heat of water is much higher than the specific heat of urban architecture and desert grit, this causes daytime under the irradiation of the sun, the temperature in park and oasis raises slower, and the temperature of peripheral region raises comparatively fast, thereby makes park and oasis become the cool island of relative low temperature.After cool island forms, according to the area size of cool island, small-sized cool island top will form the inversion cool-storage type atmospheric environment of upper heat and lower cold, and large-scale cool island then forms the high-altitude cold air and sinks and the convection current refrigeration mode atmospheric environment of peripheral ground hot-air rising.The principle place of cool island effect that Here it is.
With respect to the present climatic environment situation of the earth, the cool island effect is conducive to the mankind to the influence of climatic variation, and greenhouse effect and tropical island effect then are unfavorable for human to the influence of climatic variation.
In order to obtain cool island, not necessarily leave no choice but park and oasis can not because the sun is only the root place that surface temperature raises, by arranging the reflex reflector of certain area, sunlight reflected is returned space, equally also can obtain the cool island of relative low temperature.
The present invention is arranged in a combination by several reflex reflectors, the reflective area of single reflex reflector be several square metres to hundreds of square metre, total reflective area of whole cool island be hundreds of square metre to several ten million square metres, even bigger.Reflex reflector can adopt the roller shutter structure, but roller shutter Zhan Kejuan, the fine expansion is used for reflective formation cool island, but night or overcast and rainy rolling so that ground daylighting needs, perhaps when awful weather timely rolling in order to avoid equipment is impaired.
According to the size of total reflective area, the cool island means for influencing can be divided into large, medium and small three types:
Small-sized---reflective area is less than 10,000 square metres, based on the cool island of inversion cold-storage.
Large-scale---reflective area is greater than 1,000 ten thousand square metres, based on the cool island of convection current refrigeration.
Medium-sized---reflective area has the cool island of inversion cold-storage and convection current refrigeration concurrently between 10,000-1,000 ten thousand square metres.
Cool island means for influencing of the present invention, it is characterized in that: utilize the cool island effect principle to prevent heatstroke and lower the temperature and drought-resistant moisture-preserving, comprise several reflex reflectors, reflex reflector is installed on ground, the water surface or building top, or the inclination parallel with horizontal plane of its reflective plane can be returned space with most of sunlight reflected, thereby be made the ground table section at reflex reflector place form the cool island of relative low temperature, cool island and ambient atmosphere interact and form the cool island effect, thereby reach the purpose of reducing temperature of heatstroke prevention and drought-resistant moisture-preserving.
But reflective roller shutter Zhan Kejuan of the present invention, its surfacing is reflectorized material, when needs were reflective, roller shutter launched along guide rail 3; Do not need when reflective, roller shutter is along guide rail 3 rollings; Roller shutter is driven by motor 2, also can be by manual drive.Roller shutter, motor, guide rail etc. are supported by support 4.Except reflective roller shutter, also can adopt reflex reflectors such as reflective Folding curtain, reflective blind, reflective flat board, light reflecting membrane; Also can outside the building show or ground is smeared reflecting coating and carried out reflective.
For further strengthening the cool island effect of middle-size and small-size cool island, can or isolate riser 5 at middle-size and small-size cool island arranged around divider wall, to isolate the convection current of cold and hot air, strengthen the cool island effect of inversion cool-storage type cool island.
Reflex reflector of the present invention also can make up mutually with device of solar generating 6, solar water heater 7, wind power generation plant 8 etc., on same ground, both can realize the reflective cooling of cool island, can realize photoelectricity, photo-thermal, the utilization of wind-powered electricity generation equal energy source again.
Four. description of drawings
Fig. 1 is expansion and the rolling schematic diagram of single reflective roller shutter;
Fig. 2 is the combination of cool island means for influencing and solar electrical energy generation, solar water heater, wind power generation plant;
Fig. 3 is the inversion cold-storage principle design sketch of small-sized cool island means for influencing;
Fig. 4 is the convection current refrigeration principle design sketch of large-scale cool island means for influencing;
Among the figure: 1, reflective roller shutter; 2, motor; 3, guide rail; 4, support; 5, isolate riser; 6, device of solar generating; 7, solar water heater; 8, wind power generation plant.
Five. embodiment
Embodiment one: the reducing temperature of heatstroke prevention in railway station, Changsha
Changsha sweltering heat in summer have the title of stove, the railway station, Changsha stand full the gross area reach 7.7 ten thousand surplus square metre, wherein floor space is 1.9 ten thousand square metres, 3.7 ten thousand square metres of station ground areas, the railway area is 2.1 ten thousand square metres between platform and platform.The main website room in railway station is high 23 meters, and is wide 151 meters, and clock tower is high 63 meters.
At the fine day in summer, the building of waiting, railway station, Changsha adopts air-conditioning temperature-reducing, and then without any the reducing temperature of heatstroke prevention device, under the sunlight direct projection, the square ground heat wave is pressing, makes us feeling bad very much for station ground.
Can reflective roller shutter 1 be installed above square, railway station, Changsha, single roller shutter reflective area is 50 square metres, and 750 reflective roller shutters are installed altogether, roller shutter overhead the height 10 meters, be installed on the square by steel bracket 4.At the fine day in summer, when temperature surpasses 30 ℃, but starter motor 2 launches a part of reflective roller shutter for flashing back the sunlight, when temperature surpasses 35 ℃, and deployable whole reflective roller shutter.By the cool island effect, can form nice and cool relatively local environment on the square.
If the roller shutter reflex reflector is also all installed on the building roofs such as building, ticketing building, platform of waiting, can form the cool island effect in the ground in whole railway station table section, will reduce the air conditioning energy consumption of railway station, Changsha in summer significantly.To autumn and winter season, roller shutter can be removed from the square, railway station, and support is also dismountable.
Embodiment two: the drought-resistant moisture-preserving of Dunhuang Crescent Spring
Crescent Spring is positioned at 5 kilometers places, southwest, Dunhuang, Gansu, is positioned under the Mingsha Sand Dunes, and being gushed out by underground water forms a lake, among the sand dune encircles, exactly likes a curved crescent and the Crescent Spring of gaining the name.When the 1950's, long 218 meters of Crescent Spring thing, 54 meters of middle the widest part, 5 meters of mean depth of water, 7 meters in bosom.Because the influence of mankind's activity and climatic variation, the lake water area dwindles day by day, and at present, the Crescent Spring thing is about 100 meters, and is wide about 25 meters, 3 meters of mean depth of water, 5 meters in bosom.
For drought-resistant moisture-preserving, can Crescent Spring lake surface and around reflective roller shutter 1 above the ground is installed, the reflective area of single roller shutter is 30 square metres, and 400 reflective roller shutters are installed altogether, 12000 square metres of total reflective areas, roller shutter be 6 meters of height overhead.
When fine sunlight is strong, but starter motor 2 launches reflective roller shutter formation cool island effect, makes the temperature of Crescent Spring region reduce, and water evaporation quantity reduces, thereby reaches the purpose of drought-resistant moisture-preserving.
Embodiment three: the drought-resistant moisture-preserving of Mu Us Shadi
Mu Us Shadi is positioned at Ordos Plateau to the North Shaanxi Plateau zone of transition, about 40,000 square kilometres of sand ground area comprises 13 counties such as the north, Yulin Prefecture in south, Erdos, Inner Mongolia Autonomous Region, Shaanxi Province, the northeast of Ningxia Hui Autonomous Region's Yanchi County, city, flag in administrative division.Mu Us Shadi tilts from the north-westward southeast, the northwestward comprises some beam ground that southeastward extend out from highland, Midwest, Erdos, these beam grade beam faces are smooth, owing to cut off, form some valley floors between beam, be the alluvial plain that tilts from the north-westward southeast, the locality is called beach, has constituted the alternate landforms that " beam " " beach " is arranged in parallel like this.Its " beam " mainly by Cretaceous period aubergine and Jurassic Period the celadon sand layers constituted, these sandstone degrees of consolidation are very poor, very easily weathering, waste becomes the sand material source that sand ground forms again through carrying.
Mu Us Shadi is a sand ground under the steppe climate condition, be in the zone of transition of desert-grassland-forest, the big subordinate of Mu Us Shadi temperate zone, be positioned at the western frontier of Chinese monsoon region, year-round average temperature 6.1-8.2 ℃, mean annual precipitation is 400-440mm in the Sha Qu southeast, northwestwards is decremented to about 250mm gradually.The black element of hair once was with plenty of water and lush grass ground in history, because mankind's activity causes forest and grassland destroyed, the cool island effect of nature is weakened, the evaporation from topsoil aggravation, and agricultural water is more and more difficult.Plain each county's grain-production of hair crow at present is very unstable, and the peasant is lack confidence to agricultural development, thereby takes the strategy of extensive cultivation, causes local area ecological to destroy, and makes economic development and Environment Change that this is regional be absorbed in vicious circle.
By in arid and smooth " beam " arranged large-area reflex reflector on the ground, can reduce the moisture total evaporation in the plain area of hair crow significantly, and create conditions for the valley floor at agricultural production place and beach obtain more water resource.Reflex reflector is arranged according to the topography and geomorphology burst, covers most beam ground, this area, ten thousand square kilometres of total reflective area 2-3, thus forming several large-scale cool island zones in this area, its cool island effect will produce significant drought-resistant moisture-preserving effect.
Embodiment four: " cool island+photovoltaic+wind-powered electricity generation " integrated mode
Because the cool island means for influencing need take a large amount of ground, and solar energy power generating, solar water heater, wind power generation plant also need to take a large amount of ground, if combination is implemented with it, then on same block of soil, can produce more income.
Because the cool island means for influencing mainly uses in summer, solar electrical energy generation, solar water heater then can use in winter, spring, autumn, realize complementary in time.The wind-force that wind power generation plant then can reduce the cool island outside disturbs, and strengthens the stability that cool island top temperature inversion layer or high-altitude cold air sink.Its concrete compound mode is that device of solar generating 6 or solar water heater 7 are installed below reflex reflector, after the reflex reflector rolling or removing, device of solar generating 6 or solar water heater 7 can come into operation, perhaps at several wind power generation plants 8 of cool island arranged around.This " cool island+photovoltaic (photo-thermal)+wind-powered electricity generation " integrated mode will be current photovoltaic and huge market space of wind-powered electricity generation industry developing that is absorbed in production capacity surplus.
By embodiment one, two, three, four, visible cool island means for influencing has the considerable energy saving environment protecting.
The present invention can be widely used in zones such as city square, residential area, shopping centre, and when summer, its reducing temperature of heatstroke prevention effect can improve the living environment in city, and saves a large amount of air conditioner energy sources, has great energy-saving and emission-reduction meaning.
The present invention can be widely used in the drought-resistant moisture-preserving in nonirrigated farmland, desert, desert, by arranging large-area reflex reflector, in the zone of tens to several thousand square kilometres (even bigger), form the cool island effect, reduce water evaporates, this regional soil water content will progressively be improved, increase air humidity, thereby form artificial oasis, make desert become farmland, grassland, forest.
In a word, after the present invention extensively implements, a series of strategic new industries that will emerge, the guard of this structural transformation of the economy to China and the world, energy-saving and emission-reduction, reply climatic variation, 1,800,000,000 mu of arable land red lines etc. all will produce great advantage.
Claims (7)
1. a reducing temperature of heatstroke prevention and drought-resistant moisture-preserving device, it is characterized in that: utilize the cool island effect principle to prevent heatstroke and lower the temperature and drought-resistant moisture-preserving, comprise several reflex reflectors, reflex reflector is installed on ground, the water surface or building top, or the inclination parallel with horizontal plane of its reflective plane, most of sunlight reflected can be returned space, thereby make the ground table section at reflex reflector place form the cool island of relative low temperature, cool island and ambient atmosphere interact and form the cool island effect, thereby reach the purpose of reducing temperature of heatstroke prevention and drought-resistant moisture-preserving.
2. device according to claim 1 is characterized in that adopting reflective roller shutter (1), but roller shutter Zhan Kejuan, and its surfacing is reflectorized material; When needs were reflective, roller shutter (1) launched along guide rail (3); Do not need when reflective, roller shutter (1) is along guide rail (3) rolling; Roller shutter (1) is driven by motor (2), also can be by manual drive; Roller shutter, motor, guide rail etc. are supported by support (4).
3. device according to claim 1 is characterized in that adopting reflex reflectors such as reflective Folding curtain, reflective blind, reflective flat board, light reflecting membrane, reaching reflective purpose, thereby forms the cool island effect.
4. device according to claim 1, the mode that it is characterized in that adopting surface outside the building or ground to smear reflecting coating reaching reflective purpose, thereby forms the cool island effect.
5. device according to claim 1 is characterized in that to isolate the convection current of cold and hot air, reaching the effect that strengthens temperature inversion layer at middle-size and small-size inversion cool-storage type cool island arranged around divider wall or isolation riser (5).
6. device according to claim 1 is characterized in that having installed device of solar generating (6) or solar water heater (7) below reflex reflector, and after the reflex reflector rolling or removing, device of solar generating or solar water heater can come into operation.
7. device according to claim 1 is characterized in that in the cool island arranged around several wind power generation plants (8), and the wind-force that wind power generation plant can reduce the cool island outside disturbs, and strengthens the stability that cool island top temperature inversion layer or high-altitude cold air sink.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102438105A CN103329767A (en) | 2013-06-07 | 2013-06-07 | Cold island effect device |
| PCT/CN2014/077108 WO2014194743A1 (en) | 2013-06-07 | 2014-05-09 | Cold island effect device |
| AU2014277508A AU2014277508A1 (en) | 2013-06-07 | 2014-05-09 | Cold island effect device |
| TW103118851A TW201502345A (en) | 2013-06-07 | 2014-05-29 | Cold island effect device |
| US14/922,120 US20160040911A1 (en) | 2013-06-07 | 2015-10-24 | Cold island effect device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102438105A CN103329767A (en) | 2013-06-07 | 2013-06-07 | Cold island effect device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103329767A true CN103329767A (en) | 2013-10-02 |
Family
ID=49238029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013102438105A Pending CN103329767A (en) | 2013-06-07 | 2013-06-07 | Cold island effect device |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20160040911A1 (en) |
| CN (1) | CN103329767A (en) |
| AU (1) | AU2014277508A1 (en) |
| TW (1) | TW201502345A (en) |
| WO (1) | WO2014194743A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014194743A1 (en) * | 2013-06-07 | 2014-12-11 | Jiang Jun | Cold island effect device |
| CN104920130A (en) * | 2015-05-22 | 2015-09-23 | 同济大学 | Outer space sand-control shading unit and application thereof |
| CN108718999A (en) * | 2018-05-09 | 2018-11-02 | 湖南城市学院 | A kind of grassland restoration moisture-keeping system that catchments |
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| US6161362A (en) * | 1998-04-27 | 2000-12-19 | Forbis, Sr.; Jack R. | Shade cover with evaporative cooling |
| CN2838255Y (en) * | 2005-10-26 | 2006-11-22 | 同济大学 | Track adjustable arched shed covering curtain rolling device |
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| KR101285190B1 (en) * | 2013-01-29 | 2013-07-10 | 합자회사 주안에너지 | Solar panel curtain device |
| CN103329767A (en) * | 2013-06-07 | 2013-10-02 | 蒋钧 | Cold island effect device |
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- 2013-06-07 CN CN2013102438105A patent/CN103329767A/en active Pending
-
2014
- 2014-05-09 WO PCT/CN2014/077108 patent/WO2014194743A1/en active Application Filing
- 2014-05-09 AU AU2014277508A patent/AU2014277508A1/en not_active Abandoned
- 2014-05-29 TW TW103118851A patent/TW201502345A/en unknown
-
2015
- 2015-10-24 US US14/922,120 patent/US20160040911A1/en not_active Abandoned
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2386741Y (en) * | 1998-04-27 | 2000-07-12 | 李长清 | One-rail shutter machine |
| US6161362A (en) * | 1998-04-27 | 2000-12-19 | Forbis, Sr.; Jack R. | Shade cover with evaporative cooling |
| CN2838255Y (en) * | 2005-10-26 | 2006-11-22 | 同济大学 | Track adjustable arched shed covering curtain rolling device |
| KR100684695B1 (en) * | 2006-01-31 | 2007-02-22 | 이정몽 | Apparatus for snow removal of green house |
| CN101530043A (en) * | 2008-03-12 | 2009-09-16 | 钟显亮 | Multi-functional large greenhouse for high yield of solar organic agricultural products and livestock and poultry products |
| CN201640089U (en) * | 2010-04-23 | 2010-11-24 | 北京阿恩替生物科技有限公司 | Temperature adjustable greenhouse |
| CN202121978U (en) * | 2011-05-19 | 2012-01-25 | 天津市绿裕庄园蔬菜种植农民专业合作社 | Automatic rolling machine |
| CN202918828U (en) * | 2012-07-02 | 2013-05-08 | 厦门泰绿农林科技有限公司 | Curtain rolling mechanism of breeding shed sun shading device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014194743A1 (en) * | 2013-06-07 | 2014-12-11 | Jiang Jun | Cold island effect device |
| CN104920130A (en) * | 2015-05-22 | 2015-09-23 | 同济大学 | Outer space sand-control shading unit and application thereof |
| CN108718999A (en) * | 2018-05-09 | 2018-11-02 | 湖南城市学院 | A kind of grassland restoration moisture-keeping system that catchments |
| CN108718999B (en) * | 2018-05-09 | 2020-07-14 | 湖南城市学院 | Water collection and moisture preservation system for grassland recovery |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2014277508A1 (en) | 2015-10-29 |
| TW201502345A (en) | 2015-01-16 |
| US20160040911A1 (en) | 2016-02-11 |
| WO2014194743A1 (en) | 2014-12-11 |
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Application publication date: 20131002 |