CN103147946B - Based on the double-deck heat collecting canopy formula solar energy thermal current electric generating apparatus of warmhouse booth - Google Patents
Based on the double-deck heat collecting canopy formula solar energy thermal current electric generating apparatus of warmhouse booth Download PDFInfo
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- CN103147946B CN103147946B CN201310109459.0A CN201310109459A CN103147946B CN 103147946 B CN103147946 B CN 103147946B CN 201310109459 A CN201310109459 A CN 201310109459A CN 103147946 B CN103147946 B CN 103147946B
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- thermal
- arrest canopy
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- canopy
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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
- Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
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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
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The present invention relates to energy source device, especially a kind of double-deck heat collecting canopy formula solar energy thermal current electric generating apparatus based on warmhouse booth.Be arranged on soil, installed by main thermal-arrest canopy, secondary thermal-arrest canopy Coaxial Superimposed and form; Main thermal-arrest canopy is made up of main thermal-arrest canopy center framework body, guide shell, guide shell base, wind turbine generator; Install guide shell in main thermal-arrest canopy skeleton body central position, install guide shell base bottom it, guide shell base centre bit is equipped with wind-tunnel mouth, at the wind-tunnel mouth mounting wind generators of guide shell base; Secondary thermal-arrest canopy is made up of secondary thermal-arrest canopy center framework body and outer curtain account, interior curtain account, outside, interior curtain account arranges turnover air door respectively; Air-flow path is formed between primary and secondary thermal-arrest canopy center framework body.This device, the generating of application dual-channel gas flow, improves the growing environment of crops in warmhouse booth, takes full advantage of the solar energy of warmhouse booth, improve the efficiency of solar energy hot gas flow generating system.
Description
One, technical field
The present invention relates to energy source device, especially a kind of double-deck heat collecting canopy formula solar energy thermal current electric generating apparatus based on warmhouse booth.
Two, background technique
Contemporary society, along with the enhancing of scientific and technological progress and energy-conserving and environment-protective consciousness, the application area of warmhouse booth is more and more wider, day-light greenhouse build area up to more than more than 200 ten thousand hectares.But " the insulation wet down " in booth winter is the key issue perplexing peasant household with " reducing temperature and humidity " in summer always.6 ~ September due to the radiation of the sun comparatively strong, the extreme temperatures in booth, causes the vegetables of many kinds cannot normal growth, and in canopy, cooling is then extremely important; 11 ~ April, solar radiation quantity reduced, traditional warmhouse booth due to indoor/outdoor temperature-difference comparatively large, indoor heat leaks in a large number, is incubated then extremely important.Because traditional warmhouse booth is generally all in closed state, the steam that the transpiration of the moisture content evaporated in soil in canopy and plant generates is trapped in canopy, make the relative moisture in canopy general all more than 90%, compared with canopy outer higher about 15%, therefore booth needs wet down.For above-mentioned reasons, booth needs frequent open-ventilating to reduce temperature in canopy or humidity.The hot air flow discharged that ventilates contains very large energy, and with regard to current booth operators, large multi-energy flows away all in vain.In addition, winter ventilation for cost, if be not used, will can cause the waste of mass energy to consume amount of heat in canopy.
Thermal-arrest canopy formula solar energy hot gas flow generating system is a kind of without the need to water source, pollution-free, construction cost is low, the generation technology of easy maintenance, its main member is thermal-arrest canopy, guide shell, wind turbine generator, its working procedure and principle are sunlight thermal-arrest canopies, air in soil and canopy below heating canopy, air temperature raises, density declines, then under the pumping action of solar chimney, one powerful upward flow is formed, drive installation generates electricity at the Air Turbine Generator of chimney bottom central authorities, simultaneously, cool air around thermal-arrest canopy enters in canopy, form continual air circulation flow.The existing research about thermal-arrest canopy formula solar chimney power plant mainly concentrates on individual layer thermal-arrest canopy formula, and thermal-arrest canopy floor space is large, mostly build the depopulated zones such as desert in, seldom build cities and towns or rural area in, the practical ranges of solar energy hot gas flow generating system is reduced greatly.
Patent Office of China national Department of Intellectual Property is authorized on December 14th, 2011, the patent No. is ZL201120187993.X, name is called that the patent of " hot house solar energy thermal current electric generating apparatus " has attempted utilizing greenhouse vegetable hot house to carry out solar heat air-flow generating as thermal-arrest canopy, this patent achieves when not affecting crops normal growth, utilize the hot air flow risen in booth as power, be electric energy by heat energy and wind energy transformation, fairly simple being easy to of device is installed, and it is free from environmental pollution, but this patent generating efficiency is low, and two hang-ups in puzzlement peasant household winter " insulation wet down " and summer " reducing temperature and humidity " can not be solved, therefore can not apply.
Along with progress of research, the application of double-deck warmhouse booth is extensively got up gradually.That delivers according to Agricultural University Of Hunan found about " performance and the cultivation effect of individual layer and double layer plastic greenhouse compare ", double layer plastic greenhouse is good than individual layer of insulating power not only, and mean temperature in canopy can also be significantly improved, in the canopy that double-deck booth improves, mean temperature exceeds 2 ~ 3 DEG C than individual layer.
Three, summary of the invention
The object of the invention is the defect overcoming the existence of existing canopy formula solar energy thermal current electric generating apparatus, there is provided one that greenhouse vegetable hot house can be utilized to carry out solar heat air-flow generating as thermal-arrest canopy, possess again a kind of double-deck heat collecting canopy formula solar energy thermal current electric generating apparatus based on warmhouse booth of plastic vegetable greenhouse winter " insulation wet down " and summer " reducing temperature and humidity " function.
The present invention is arranged on native terrestrial applications, and its technological scheme is installed by main thermal-arrest canopy, secondary thermal-arrest canopy Coaxial Superimposed to form; Main thermal-arrest canopy is made up of main thermal-arrest canopy center framework body, guide shell, guide shell base, wind turbine generator; Install guide shell in main thermal-arrest canopy skeleton body central position, bottom guide shell, install guide shell base, guide shell base centre bit is equipped with wind-tunnel mouth, at the wind-tunnel mouth mounting wind generators of guide shell base; Secondary thermal-arrest canopy is made up of secondary thermal-arrest canopy center framework body and outer curtain account, interior curtain account, outside curtain account arranges air intake door, interior curtain account sets out air door; Air-flow path is formed between main thermal-arrest canopy center framework body and secondary thermal-arrest canopy center framework body.For ensureing the stability of guide shell, be preferably fixed on main thermal-arrest canopy by wire rope in guide shell surrounding.
The invention has the advantages that, solar heat air-flow generating and warmhouse booth are organically combined, mean temperature is improved compared to employing individual layer thermal-arrest canopy, solves a difficult problem for warmhouse booth " reducing temperature and humidity ".Both improve the growing environment of crops in warmhouse booth, be conducive to the growth of crops; The generating of application dual-channel gas flow, takes full advantage of the solar energy of warmhouse booth deposit, improves the efficiency of solar energy hot gas flow generating system.This apparatus structure is simple, superior performance, is easy to apply.
Four, accompanying drawing explanation
Fig. 1 is the sectional view of structural representation plan view of the present invention;
Fig. 2 is guide shell base vertical view;
Fig. 3 is summer operation process schematic of the present invention;
Fig. 4 is winter operation process schematic of the present invention.
Reference character:
1, main thermal-arrest canopy 2, secondary thermal-arrest canopy 2-1, outer curtain account 2-1-1, air intake door 2-2, interior curtain account 2-2-1, go out air door 3, wind turbine generator 4, guide shell 5, guide shell base 5-1, wind-tunnel mouth 5-2, installing tache 5-3, generator fixed support, 6, oblique pull wire rope
Five, embodiment
Describe implementation process of the present invention by reference to the accompanying drawings in detail.
As shown in Figure 1 and Figure 2, the double-deck heat collecting canopy built based on the warmhouse booth that the present invention is conventional in agricultural.Installed by main thermal-arrest canopy 1, secondary thermal-arrest canopy 2 Coaxial Superimposed to form; Main thermal-arrest canopy 1 is made up of main thermal-arrest canopy center framework body, guide shell 4, guide shell base 5, wind turbine generator 3; Install guide shell 4 in main thermal-arrest canopy 1 skeleton body central position, install guide shell base 5 in the bottom of guide shell 4, guide shell base 5 centre bit is equipped with wind-tunnel mouth, passes through generator fixed support 5-3 mounting wind generators 3 at the wind-tunnel mouth of guide shell base 5; Secondary thermal-arrest canopy 2 is made up of secondary thermal-arrest canopy center framework body and outer curtain account 2-1, interior curtain account 2-2, curtain account 2-1 arranged some air intake door 2-1-1 outside, interior curtain account 2-2 is arranged some go out air door 2-2-1.Often fan turnover air door is independently arranged on curtain account, can carry out switch-mode regulation according to crop in canopy to the requirement of temperature and humidity.Air-flow path is formed between main thermal-arrest canopy 1 center framework body and secondary thermal-arrest canopy 2 center framework body.For ensureing the stability of guide shell 4, be preferably fixed on main thermal-arrest canopy 1 by oblique pull wire rope 6 in guide shell surrounding, in order to avoid hung by the outer strong wind of canopy.
As shown in Figure 3, in summer (5-10 month), daytime sunny canopy temperature, humidity is all very high, by the air intake door 2-1-1 of the secondary thermal-arrest canopy in system with go out air door 2-2-1 and all open, hot air flow power station adopts main thermal-arrest canopy 1 and time thermal-arrest canopy 2 co-operation to collect solar radiant energy, air in solar radiant energy heating canopy, air density is obviously reduced, form the hot air risen, hot air is by forming air-flow path between main thermal-arrest canopy 1 center framework body and secondary thermal-arrest canopy 2 center framework body, with the air intake door 2-1-1 that secondary thermal-arrest canopy 2 opens wide, go out the air-flow of two passages that air door 2-2-1 formed under the pumping action of guide shell 4, form wind park 3 rotary electrification that the stronger flowing gas of function promotes to be placed on guide shell base 5 central axis.On the one hand because this system adopts double-deck heat collecting canopy formula, in canopy, mean temperature exceeds 2 ~ 3 DEG C than individual layer thermal-arrest canopy, the heat absorption efficiency of thermal-arrest canopy is improved, and the hot gas flow taking the generation of same area double-deck heat collecting canopy is also more much larger than individual layer, therefore can produce more electricity compared to individual layer thermal-arrest canopy formula, improve the efficiency of solar heat air-flow generating.Hot air on the other hand in canopy under the pumping action of guide shell 4 constantly upward flow then flow out from guide shell 4 to guide shell 4, cool ambient air constantly flows in time thermal-arrest canopy 2 from secondary thermal-arrest canopy air intake door 2-1-1 and supplements, so circulate in canopy the air-flow defining flowing fast, unnecessary heat and moisture in time thermal-arrest canopy 2 can be taken away, regulate temperature of shed, humidity in the scope being conducive to plant growth.At the night in summer, in order to keep the temperature in time thermal-arrest canopy 2, can the air intake door 2-1-1 of secondary thermal-arrest canopy, go out air door 2-2-1 and all close, at this moment the air-flow of the waste heat that earth's surface stores in canopy can be utilized, entering guide shell 4 by forming air-flow path between main thermal-arrest canopy 1 center framework body and secondary thermal-arrest canopy 2 center framework body, promoting wind park 3 rotary electrification.Therefore, carry out compared with solar heat air-flow generates electricity with individual layer thermal-arrest canopy, the present invention not only meets the requirement of booth in summer " cooling, wet down ", also greatly improves the efficiency of generating.
As shown in Figure 4, (11-4 month) external temperature is lower in the winter time, for keeping temperature suitable in time thermal-arrest canopy, by the air intake door 2-1-1 of system time thermal-arrest canopy 2 with go out air door 2-2-1 and all close.System utilizes the solar radiant energy of absorption of air between main thermal-arrest canopy 1 and secondary thermal-arrest canopy 2 and the heat on time thermal-arrest canopy 2 surface, heat the air between main thermal-arrest canopy 1 and secondary thermal-arrest canopy 2, form the hot air flow risen, by forming air-flow path between main thermal-arrest canopy 1 center framework body and secondary thermal-arrest canopy 2 center framework body, enter guide shell 4 promote wind park 3 rotary electrification realize solar heat air-flow generating.Compare traditional warmhouse booth, because this system adopts double-deck heat collecting canopy, its insulating power is well more a lot of than traditional single-layer type, and in canopy, mean temperature also exceeds 2 ~ 3 DEG C than traditional single-layer type.When secondary thermal-arrest canopy 2 humidity is too high, in order to reduce canopy humidity, the air intake door 2-1-1 of opened portion gradation thermal-arrest canopy and go out air door 2-2-1 and ventilate, because most of heat in the pumping action time thermal-arrest canopy 2 of guide shell 4 still and can go out air door 2-2-1 and enters into guide shell 4 and promote wind park 3 and generate electricity by air intake door 2-1-1, the loss in vain of heat can not be caused.Therefore, the present invention not only can realize the difficult problem solving booth Winter protection by solar energy resources, greatly reduce the use amount to other energy, also can meet under winter, wet down met the requirement of plant growing condition, the heat made good use of fully in canopy carries out solar electrical energy generation.
Based on the warmhouse booth that the present invention is conventional in agricultural, the transformation that it is in addition suitable, without the need to other energy, structure is simple, cheap, without the discharge of waste gas and wastes, is a kind of generation mode of green low-carbon environment-friendly; Simultaneously this electricity generating device can obviously improve traditional warmhouse booth in the winter time with summer use in deficiency, and improve the efficiency of existing solar chimney power plant system, is a kind of device of solar generating integrating agricultural production and generate electricity be worth promoting.
Claims (1)
1. based on a double-deck heat collecting canopy formula solar energy thermal current electric generating apparatus for warmhouse booth, be arranged on soil, main thermal-arrest canopy is made up of main thermal-arrest canopy center framework body, guide shell, guide shell base, wind turbine generator; In main thermal-arrest canopy skeleton body central position, guide shell is installed, guide shell base is installed bottom guide shell, guide shell base centre bit is equipped with wind-tunnel mouth, at the wind-tunnel mouth mounting wind generators of guide shell base, guide shell its surrounding by wire cable strengthening on main thermal-arrest canopy, it is characterized by by main thermal-arrest canopy, secondary thermal-arrest canopy Coaxial Superimposed install form; Secondary thermal-arrest canopy is made up of secondary thermal-arrest canopy center framework body and outer curtain account, interior curtain account, outside curtain account arranges air intake door, interior curtain account sets out air door; Air-flow path is formed between main thermal-arrest canopy center framework body and secondary thermal-arrest canopy center framework body.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310109459.0A CN103147946B (en) | 2013-03-29 | 2013-03-29 | Based on the double-deck heat collecting canopy formula solar energy thermal current electric generating apparatus of warmhouse booth |
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| CN201310109459.0A CN103147946B (en) | 2013-03-29 | 2013-03-29 | Based on the double-deck heat collecting canopy formula solar energy thermal current electric generating apparatus of warmhouse booth |
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| CN103147946A CN103147946A (en) | 2013-06-12 |
| CN103147946B true CN103147946B (en) | 2015-09-09 |
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| CN201310109459.0A Expired - Fee Related CN103147946B (en) | 2013-03-29 | 2013-03-29 | Based on the double-deck heat collecting canopy formula solar energy thermal current electric generating apparatus of warmhouse booth |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104863391B (en) * | 2015-05-06 | 2017-03-08 | 戚荣生 | Solar airflow generating sunlight booth |
| CN107087516A (en) * | 2017-05-25 | 2017-08-25 | 福建农林大学 | A kind of multi-functional greenhouse and its implementation method with photo-thermal power generation function |
| CN109424511A (en) * | 2017-08-24 | 2019-03-05 | 李娇娇 | Double-deck heat collecting canopy formula solar energy thermal current electric generating apparatus based on greenhouse |
| CN108966952A (en) * | 2018-08-27 | 2018-12-11 | 中国农业科学院农业环境与可持续发展研究所 | A kind of solar spectral watt and greenhouse |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2318425Y (en) * | 1997-01-15 | 1999-05-12 | 宋忠东 | Wind power generation tower with wind-driven machine using natural wine |
| US7821151B2 (en) * | 2008-02-23 | 2010-10-26 | Le John O | Hybrid solar thermal chimney |
| CN202073712U (en) * | 2011-06-07 | 2011-12-14 | 赵力 | Solar energy hot air generating set for plastic houses |
| CN203146248U (en) * | 2013-03-29 | 2013-08-21 | 青岛科技大学 | Double-layer heat collection tent type solar thermal current power generation device based on greenhouse |
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