CN109275456A - A kind of photovoltaic heliogreenhouse system - Google Patents

A kind of photovoltaic heliogreenhouse system Download PDF

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Publication number
CN109275456A
CN109275456A CN201811431710.4A CN201811431710A CN109275456A CN 109275456 A CN109275456 A CN 109275456A CN 201811431710 A CN201811431710 A CN 201811431710A CN 109275456 A CN109275456 A CN 109275456A
Authority
CN
China
Prior art keywords
photovoltaic
heliogreenhouse
variable pitch
photovoltaic module
bracket
Prior art date
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.)
Pending
Application number
CN201811431710.4A
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Chinese (zh)
Inventor
李明
何雪颖
宋卫堂
崖理圣
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China Agricultural University
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China Agricultural University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Agricultural University filed Critical China Agricultural University
Priority to CN201811431710.4A priority Critical patent/CN109275456A/en
Publication of CN109275456A publication Critical patent/CN109275456A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/14Greenhouses
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/24Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
    • A01G9/243Collecting solar energy
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/25Greenhouse technology, e.g. cooling systems therefor
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/12Technologies relating to agriculture, livestock or agroalimentary industries using renewable energies, e.g. solar water pumping

Abstract

The invention belongs to agricultural engineering technology field more particularly to a kind of photovoltaic heliogreenhouse systems, comprising: heliogreenhouse, variable pitch photovoltaic bracket;Wherein, heliogreenhouse is arranged in variable pitch photovoltaic bracket, and the front column of variable pitch photovoltaic bracket and heliogreenhouse front roof are fixed with preceding mutual foundation, and wall is fixed with rear mutual foundation after rear column and the heliogreenhouse heat preservation of variable pitch photovoltaic bracket;The top combined planar of variable pitch photovoltaic bracket is equipped with variable pitch photovoltaic panel, and photovoltaic panel can open certain angle.The ratio of hothouse production and photovoltaic power generation can be adjusted flexibly in this system, and if winter light is weak, productivity effect is high, therefore illumination can be made all to penetrate by variable pitch regulating device, only carry out hothouse production, and summer, productivity effect be not high, can be based on photovoltaic power generation.

Description

A kind of photovoltaic heliogreenhouse system
Technical field
The invention belongs to agricultural engineering technology field more particularly to a kind of photovoltaic heliogreenhouse systems.
Background technique
The main function of heliogreenhouse is to carry out overwintering production, to meet north of china in winter offerings demand, reduces south vegetable north transportation High cost, improve human lives' quality.By facilities horticulture excess capacity, market fluctuation is excessive, traditional heliogreenhouse is built into The influence for the problems such as this is high, heliogreenhouse income is lower in recent years, and Increase Income of Peasant Households is affected.
Photovoltaic greenhouse is installation photovoltaic component and a kind of greenhouse for being formed at the top of greenhouse roof, which can utilize greenhouse The part illuminating power generating that roofing is intercepted and captured, to obtain the double benefit of agricultural production and photovoltaic power generation.Due to photovoltaic module light transmission Rate is poor, in winter illumination weaker period, can further decrease indoor illumination intensity in greenhouse roof arrangement photovoltaic module, into One step reduces yield.And in summer, outdoor optical photograph is more strong, appropriate to block the suppression for being conducive to avoid strong light to plant growth System.Facilitate to optimize crop growth environment in greenhouse roof reasonable Arrangement photovoltaic module at this time, promotes plant growth.Existing photovoltaic Greenhouse is that photovoltaic module is fixed on to greenhouse roof or ridge, although can adjust illumination in summer, utilizes extra light It generates electricity, but is difficult to reduce photovoltaic module as far as possible in winter and block.
Summary of the invention
In view of the above-mentioned problems, the invention proposes a kind of photovoltaic heliogreenhouse systems, comprising: heliogreenhouse, variable pitch Photovoltaic bracket;Wherein, heliogreenhouse is arranged in variable pitch photovoltaic bracket, and the front column of variable pitch photovoltaic bracket and day Light greenhouse front roof is fixed with preceding mutual foundation, after the heat preservation of the rear column and heliogreenhouse of variable pitch photovoltaic bracket wall with Mutual foundation is fixed afterwards;The top combined planar of variable pitch photovoltaic bracket is equipped with variable pitch photovoltaic module, and photovoltaic module can Open certain angle.
For the top combined planar angle with horizontal plane between 20 ° to 45 °, Bei Gaonan is low, and drift angle and heliogreenhouse are protected It holds consistent.
Photovoltaic module and scattering optical thin film 1:1 column-shaped arrangement, width design are photovoltaic module at the top of the heliogreenhouse Width;Photovoltaic module point three rows from north to south;The scattering optical thin film is fixed by card slot circlip, and card slot is fixed on photovoltaic bracket On;Photovoltaic bracket further includes variable pitch regulating device.
The variable pitch regulating device is made of transmission device and controller, from south to northern totally 3 row, peace and photovoltaic group Part is connected.
It is assembly type card slotted framework at the top of the heliogreenhouse, setting photovoltaic module and scattering optical thin film on skeleton.
Insulation quilt and shutter are equipped at the top of the heliogreenhouse.
It include mutual foundation insulating layer on the outside of the mutual foundation, inside is equipped with heat preservation reservoir and greenhouse heating system.
The greenhouse heating system is using water as medium, and heat preservation reservoir is as accumulation of heat point, by being opened and closed water pump, active control The collection and release of heat.
The shutter is installed on the middle position of heliogreenhouse length direction.
The crops for rotation arrangement of the photovoltaic heliogreenhouse system: September to April next year is got over based on agriculture production benefit Winter production;April is carried out supplemented by dim light crop production based on photovoltaic power generation benefit to September.
Compared with prior art, of the invention to have the advantage that
1, this system has variable pitch regulating device, and the ratio of hothouse production and photovoltaic power generation, such as winter can be adjusted flexibly Season, light was weak, and productivity effect is high, therefore illumination can be made all to penetrate by variable pitch regulating device, only carried out hothouse production, And summer, productivity effect be not high, it can be based on photovoltaic power generation.
2, photovoltaic module and light transmitting cells are more advantageous to solution with the arrangement mode that 1:1 column is arranged in photovoltaic combined planar The problem of hothouse production and photovoltaic power generation win honour for, photovoltaic heliogreenhouse maximally utilize too under conditions of meeting hothouse production Sun can be carried out photovoltaic power generation.
3, the daylighting film of heliogreenhouse uses the film with certain scattering process, compared to common photovoltaic greenhouse, originally Luminous environment more evenly, is conducive to hothouse production in the photovoltaic greenhouse of invention.
4, heliogreenhouse and photovoltaic generating system mutual foundation in the present invention, and photovoltaic skeleton undertakes snow load, therefore select Lightweight material builds heliogreenhouse, reduces the construction cost of photovoltaic heliogreenhouse system.
Detailed description of the invention
Fig. 1 is the side view of photovoltaic heliogreenhouse system of the invention;
Fig. 2 is the top view of photovoltaic heliogreenhouse system of the invention;
In figure, 1-photovoltaic module;2-scattering optical thin films;3-variable pitch photovoltaic brackets;4-card slot circlips;5-altogether With basic insulating layer;6-mutual foundations;7-front roofs;Wall after 8-heat preservations;9-insulation quilts;10-shutters;11-inclination angles Variable adjustment device.
Specific embodiment
With reference to the accompanying drawing, it elaborates to embodiment.
As shown in Figure 1, 2, a kind of photovoltaic heliogreenhouse system, comprising: heliogreenhouse, variable pitch photovoltaic bracket;Wherein, Heliogreenhouse is arranged in variable pitch photovoltaic bracket, and the front column of variable pitch photovoltaic bracket and heliogreenhouse front roof are equal It is fixed with preceding mutual foundation, wall is solid with rear mutual foundation after rear column and the heliogreenhouse heat preservation of variable pitch photovoltaic bracket It is fixed;The top combined planar of variable pitch photovoltaic bracket is equipped with variable pitch photovoltaic module, and photovoltaic module can open certain angle.
It include mutual foundation insulating layer on the outside of the mutual foundation, inside is equipped with heat preservation reservoir and greenhouse heating system.
It is assembly type card slotted framework at the top of the heliogreenhouse, setting photovoltaic module and scattering optical thin film on skeleton.
Insulation quilt and shutter are equipped at the top of the heliogreenhouse.
The greenhouse heating system is using water as medium, and heat preservation reservoir is as accumulation of heat point, by being opened and closed water pump, active control The collection and release of heat.
The shutter is installed on the middle position of heliogreenhouse length direction.
For the top combined planar angle with horizontal plane between 20 ° to 45 °, Bei Gaonan is low, and drift angle and heliogreenhouse are protected It holds consistent;The photovoltaic combined planar is divided into two by middle line of shutter, and width is shutter working width.
Photovoltaic module and scattering optical thin film 1:1 column-shaped arrangement, width design are photovoltaic module at the top of the heliogreenhouse Width;Photovoltaic module point three rows from north to south;The scattering optical thin film is fixed by card slot circlip, and card slot is fixed on photovoltaic bracket On;Photovoltaic bracket further includes variable pitch regulating device.
The variable pitch regulating device is made of transmission device and controller, from south to northern totally 3 row, peace and photovoltaic group Part is connected.
The crops for rotation arrangement of the photovoltaic heliogreenhouse system: September to April next year is got over based on agriculture production benefit Winter production;April is carried out supplemented by dim light crop production based on photovoltaic power generation benefit to September.
Embodiment 1
Photovoltaic heliogreenhouse is designed by taking Beijing area as an example.
Selecting open landform, fertile soil, illumination resource abundance, water resource to supply, convenient, condition of power supply is good, traffic is flourishing Southern Suburb of Beijing.
The span for designing heliogreenhouse is 8m, is determined according to the solar elevation of Beijing area and heliogreenhouse construction standards Greenhouse ridge a height of 4m, the rear high 2.9m of wall, adverse grade floor projection 1.1m, backhouse face angle are 45 °, and front roof is using double circular curve methods Design.
Sunlight greenhouse frame uses novel assembled card slotted framework, using on-site assembly form, the upper and lower chord member of arch bar, Web member is all made of the U-shaped cold-rolled forming section of the continuous roll bending formation of 2mm galvanized steel strip, and arch bar and longitudinal tie rod use assembling form, nothing Solder joint, without carrying out preservative treatment, long service life.
Heliogreenhouse building enclosure uses 15mm polystyrene extruded sheet, with construction cost is low, construction efficiency is high, assembly The advantages that change degree is high.
The scattering optical thin film that the fixed mist degree of each arch bar top boom assembling jump ring of heliogreenhouse assembly type skeleton is 55%.
Subordinate digs the reservoir that length is 3m in heliogreenhouse, and is laid with 15mm polystyrene in reservoir surrounding Extruded sheet does isothermal holding.
Sunlight greenhouse heating system is horizontal along greenhouse span direction depth 0.6m to be laid with using heat exchange heating system in ground PVC hot air duct is divided into 0.7m between PVC hot air duct, and at north and south both ends, PVC pipeline leads to ground, PVC hot air pipe vertically upward Bidirectional axial flow fan is arranged in road junction;In thermal-arrest or exothermic process, blower is opened, brings the indoor heat of temperature into soil or by soil In heat be discharged into greenhouse.
Photovoltaic generating system uses steel frame construction;Two photovoltaic interplanar spacing of thing is 1m;Light transmitting cells film is selected common Plastic film.
Variable pitch regulating device selects rack and pinion drive to be controlled.
Embodiment 2
The photovoltaic heliogreenhouse is for cultivated crop carries out whole year production by tomato.
Since the Spring Festival in winter occurs in tomato price peak, there is low ebb in price after April, since temperature is returned after April Warm, fruits and vegetables price is lower, therefore crops for rotation arrangement is as follows: carrying out tomato field planting in mid-September, starts December to harvest, until tomato in April is drawn Seedling, April to September carry out the cultivation of dim light leaf vegetables.
September starts, and during greenhouse carries out tomato production, based on tomato demand, passes through variable pitch regulating device root It is strong and weak that warm Interior Illumination Environment is adjusted according to intensity of illumination needed for tomato, and meeting can be carried out using the extra sun under conditions of tomato production Photovoltaic power generation;Or so December, tomato started to harvest, and tomato is big to the demand of light, adjusted photovoltaic by variable pitch regulating device Component inclination angle, is mapped to solar irradiation in greenhouse to greatest extent.
Under winter rain and snow weather, by variable pitch regulating device be closed photovoltaic module, accumulated snow on photovoltaic combined planar, Heliogreenhouse is not impacted.
The photovoltaic heliogreenhouse is equipped with greenhouse heating system, when warm indoor heat deficiency, opens greenhouse heating system, full Sufficient crop growth requirement.
April tomato uproot plants after their edible portions have been harvested after, the leaf vegetables of chamber planting low light tolerance passes through variable pitch tune based on photovoltaic power generation benefit Regulating device adjusts photovoltaic module to best power generation inclination angle.
Photovoltaic power generation is connected to the grid in entire photovoltaic heliogreenhouse system.
This embodiment is merely preferred embodiments of the present invention, but scope of protection of the present invention is not limited thereto, In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art, It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with scope of protection of the claims Subject to.

Claims (10)

1. a kind of photovoltaic heliogreenhouse system characterized by comprising heliogreenhouse, variable pitch photovoltaic bracket;Wherein, day Light greenhouse be arranged in variable pitch photovoltaic bracket, and the front column of variable pitch photovoltaic bracket and heliogreenhouse front roof with Preceding mutual foundation is fixed, and wall is fixed with rear mutual foundation after rear column and the heliogreenhouse heat preservation of variable pitch photovoltaic bracket; The top combined planar of variable pitch photovoltaic bracket is equipped with variable pitch photovoltaic module, and photovoltaic module can open certain angle.
2. system according to claim 1, which is characterized in that the top combined planar angle with horizontal plane is at 20 ° to 45 ° Between, Bei Gaonan is low, and drift angle is consistent with heliogreenhouse.
3. system according to claim 1, which is characterized in that photovoltaic module and scattering optical thin film 1 at the top of the heliogreenhouse: The arrangement of 1 column-shaped, width design are the width of photovoltaic module;Photovoltaic module point three rows from north to south;The scattering optical thin film passes through Card slot circlip is fixed, and card slot is fixed on photovoltaic bracket;Photovoltaic bracket further includes variable pitch regulating device.
4. system according to claim 3, which is characterized in that the variable pitch regulating device is by transmission device and control Device composition, from south to north, totally 3 row, peace are connected with photovoltaic module.
5. system according to claim 1, which is characterized in that be assembly type card slotted framework, bone at the top of the heliogreenhouse Photovoltaic module and scattering optical thin film are set on frame.
6. system according to claim 1, which is characterized in that be equipped with insulation quilt and shutter at the top of the heliogreenhouse.
7. system according to claim 1, which is characterized in that it include mutual foundation insulating layer on the outside of the mutual foundation, it is interior Side is equipped with heat preservation reservoir and greenhouse heating system.
8. system according to claim 7, which is characterized in that the greenhouse heating system keeps the temperature reservoir using water as medium As accumulation of heat point, by being opened and closed water pump, the collection and release of active control heat.
9. system according to claim 6, which is characterized in that the shutter is installed on the centre of heliogreenhouse length direction Position.
10. any system according to claim 1~9, which is characterized in that the crops for rotation of the photovoltaic heliogreenhouse system are pacified Row: September to April next year carries out overwintering production based on agriculture production benefit;April to September based on photovoltaic power generation benefit, into Supplemented by row dim light crop production.
CN201811431710.4A 2018-11-27 2018-11-27 A kind of photovoltaic heliogreenhouse system Pending CN109275456A (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112154830A (en) * 2020-09-30 2021-01-01 扬州大学广陵学院 Greenhouse solar radiation energy active intercepting and releasing device

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CN101986812A (en) * 2009-08-07 2011-03-23 光宝绿色能资科技股份有限公司 Solar green house
CN202095332U (en) * 2011-01-06 2012-01-04 北京中建阳光低碳科技有限公司 Photovoltaic greenhouse with planar roof
CN102845259A (en) * 2012-08-17 2013-01-02 朔州开发区启元农业科技有限公司 Solar greenhouse for flowering plants in winter in northern China
CN203968803U (en) * 2014-06-06 2014-12-03 特变电工新疆新能源股份有限公司 A kind of photovoltaic agricultural greenhouse
CN204669997U (en) * 2015-04-29 2015-09-30 福建农林大学 A kind of diffusing glass photovoltaic greenhouse of uniform illumination
CN204860326U (en) * 2015-07-05 2015-12-16 新疆石河子职业技术学院 Novel photovoltaic green house
CN204948922U (en) * 2015-08-21 2016-01-13 徐永 Illumination adjustable diffusion glass photovoltaic greenhouse
CN105830810A (en) * 2016-05-31 2016-08-10 北京蓉坤农业科技有限公司 Double-layer photovoltaic sunlight greenhouse
CN106386254A (en) * 2016-06-12 2017-02-15 安阳师范学院 Ray adjustment structure of photovoltaic power generation greenhouse and adjustment method thereof
CN207340737U (en) * 2017-09-19 2018-05-11 石家庄农研农业开发有限公司 A kind of solar greenhouse for being used to develop new agricultural technology

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101116408A (en) * 2007-05-29 2008-02-06 西北农林科技大学 Day-light greenhouse with the lighting surface incidence changeable
EP2230695A2 (en) * 2009-03-18 2010-09-22 Lite-On Technology Corporation Photovoltaic greenhouse structure
CN101986812A (en) * 2009-08-07 2011-03-23 光宝绿色能资科技股份有限公司 Solar green house
CN202095332U (en) * 2011-01-06 2012-01-04 北京中建阳光低碳科技有限公司 Photovoltaic greenhouse with planar roof
CN102845259A (en) * 2012-08-17 2013-01-02 朔州开发区启元农业科技有限公司 Solar greenhouse for flowering plants in winter in northern China
CN203968803U (en) * 2014-06-06 2014-12-03 特变电工新疆新能源股份有限公司 A kind of photovoltaic agricultural greenhouse
CN204669997U (en) * 2015-04-29 2015-09-30 福建农林大学 A kind of diffusing glass photovoltaic greenhouse of uniform illumination
CN204860326U (en) * 2015-07-05 2015-12-16 新疆石河子职业技术学院 Novel photovoltaic green house
CN204948922U (en) * 2015-08-21 2016-01-13 徐永 Illumination adjustable diffusion glass photovoltaic greenhouse
CN105830810A (en) * 2016-05-31 2016-08-10 北京蓉坤农业科技有限公司 Double-layer photovoltaic sunlight greenhouse
CN106386254A (en) * 2016-06-12 2017-02-15 安阳师范学院 Ray adjustment structure of photovoltaic power generation greenhouse and adjustment method thereof
CN207340737U (en) * 2017-09-19 2018-05-11 石家庄农研农业开发有限公司 A kind of solar greenhouse for being used to develop new agricultural technology

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112154830A (en) * 2020-09-30 2021-01-01 扬州大学广陵学院 Greenhouse solar radiation energy active intercepting and releasing device

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Application publication date: 20190129