CN201758620U - Special energy-saving sunlight greenhouse for high-latitude and low-elevation region - Google Patents

Special energy-saving sunlight greenhouse for high-latitude and low-elevation region Download PDF

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Publication number
CN201758620U
CN201758620U CN2010202138155U CN201020213815U CN201758620U CN 201758620 U CN201758620 U CN 201758620U CN 2010202138155 U CN2010202138155 U CN 2010202138155U CN 201020213815 U CN201020213815 U CN 201020213815U CN 201758620 U CN201758620 U CN 201758620U
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CN
China
Prior art keywords
greenhouse
bow member
energy saving
exclusively used
film
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Expired - Fee Related
Application number
CN2010202138155U
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Chinese (zh)
Inventor
王晓冬
马彩雯
史慧锋
王国强
邹平
肖林刚
张志刚
曹新伟
张海春
姜鲁艳
刘霞
张丽
齐新洲
吐尔逊娜依
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Agricultural Mechanization Research Institute Xinjiang Academy of Agricultural Sciences
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Agricultural Mechanization Research Institute Xinjiang Academy of Agricultural Sciences
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Priority claimed from CN200920164619 external-priority
Application filed by Agricultural Mechanization Research Institute Xinjiang Academy of Agricultural Sciences filed Critical Agricultural Mechanization Research Institute Xinjiang Academy of Agricultural Sciences
Priority to CN2010202138155U priority Critical patent/CN201758620U/en
Application granted granted Critical
Publication of CN201758620U publication Critical patent/CN201758620U/en
Anticipated expiration legal-status Critical
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    • 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
    • Y02P60/14Measures for saving energy, e.g. in green houses

Abstract

The utility model belongs to the improvement of a greenhouse structure, in particular to a special energy-saving sunlight greenhouse for a high-latitude and low-elevation region, which comprises a rear roof arranged on a rear roof plate, a gable wall, a support framework, a rear wall, an arch frame, a heat preservation quilt, a quilt rolling machine and a ventilation device which is matched on the arch frame and matched with the inside of the greenhouse. A protection heat preservation layer is embedded under the earth surface in front of the greenhouse; a compound greenhouse film is fixed on the arch frame through a film retaining slot and a snap spring; the support framework is supported on a buttress through a pillar; the front end of the arch frame is plunged into a cement pier embedded underground and fixed; the rear wall and the gable wall of the greenhouse comprise dry brick building wall bodies; the rear roof comprises a reed plate, compacted dry straws and cobs; the inner surface of the rear roof is provided with a waterproof reinforcing layer; and the outer surface of the rear roof and the rear wall are jointly carpeted with an asphaltic felt waterproof layer. The utility model is suitable for being constructed and used in the north. The greenhouse can fully utilize the local light and heat resources and provide a good environment for facility cultivation in local winter and autumn.

Description

Be exclusively used in the energy saving sunlight greenhouse of high latitude low altitude area
Technical field
The utility model relates to a kind of agricultural facility, belongs to the improvement of green house structure, particularly is exclusively used in the energy saving sunlight greenhouse of high latitude low altitude area.
Background technology
Xinjiang industrialized agriculture starting is late, fast-growth.Entered since 21 century, I distinguish industrialized agriculture and have stepped into high-speed development period, by 11.3 ten thousand mu of 750,000 mus of developing into 2008 in 2000, surpass 100,000 mu speed increase over the past two years with every year, present accelerated development trend.The installment agriculture growth technology improves constantly, and technical development is from the low-level medium level that entered, and the mu benefit of greenhouse by solar heat production improves year by year, and industrialized agriculture has become the new highlight of increasing farmers' income.Nearly 2 years, northern China greenhouse by solar heat construction technique industry is developed rapidly, but because facility cultivation is started late, aggregate level particularly scientific and technological level is also lower, existing transformation of scientific findings rate is not high, some greenhouse structure is unreasonable, the greenhouse thermal efficiency is not high, ability of regulation and control to envirment factors such as light, temperature, wet, gas is relatively poor, especially the greenhouse by solar heat production of can not surviving the winter, make the economic benefit not high, influenced the enthusiasm that the peasant is developed facility cultivation, have a strong impact on the development of facility industry.
The utility model content
The purpose of this utility model is to provide a kind of energy saving sunlight greenhouse that is exclusively used in the high latitude low altitude area, be suitable in northern area construction, use, this greenhouse can make full use of local photo-thermal resource, for local winter, spring and autumn facility cultivation good environment is provided.
The utility model is achieved in that a kind of energy saving sunlight greenhouse that is exclusively used in the high latitude low altitude area, comprise the back roofing that is arranged on the roof boarding of back, gable, support frame, back wall, bow member, thermal insulation quilt and Cover roller, be equipped with the ventilation unit that cooperates with inside, greenhouse on bow member, burying protecting heat insulating layer under the face of land in the place ahead, greenhouse, composite greenhouse film is fixed on the bow member by film-clamping groove and jump ring, support frame by shore supports on buttress, it is interior fixing that the front end of bow member penetrates the clump of ground embedded set, the back wall in greenhouse, gable is made of the house with tamped clay walls body of wall, back roofing is by the reed plate, the dry rice straw of compacting and cob constitute, its inner surface is being provided with the waterproof reinforced layer, is covered with the asphalt felt watertight composition jointly on its outer surface and the back wall.
Adopt the energy saving sunlight greenhouse of said structure design, be suitable for northern China height above sea level than low country construction, use.The utility model can make full use of local photo-thermal resource according to northern area various places corresponding geographical environment and light and heat condition, saves cost to greatest extent, for local facility cultivation crop provides optimum growing environment.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Accompanying drawing is a sectional structure schematic diagram of the present utility model.
Embodiment
A kind of energy saving sunlight greenhouse that is exclusively used in the high latitude low altitude area, as shown in drawings, comprise the back roofing 9 that is arranged on the roof boarding 12 of back, gable, support frame, back wall 11, bow member, thermal insulation quilt 7 and Cover roller 6, be equipped with the ventilation unit that cooperates with inside, greenhouse on bow member, burying protecting heat insulating layer 1 under the face of land in the place ahead, greenhouse, composite greenhouse film is fixed on the bow member by film-clamping groove and jump ring, support frame 8 is supported on the buttress 15 by pillar 14, it is interior fixing that the front end of bow member penetrates the clump 2 of ground embedded set, the back wall 11 in greenhouse, gable is made of the house with tamped clay walls body of wall, back roofing 9 is by the reed plate, the dry rice straw of compacting and cob (wiping one's face) constitute, its inner surface is being provided with the waterproof reinforced layer, is covered with asphalt felt watertight composition 10 jointly on its outer surface and the back wall.
The pillar 14 in greenhouse is a reinforced concrete upright column.The last bow member 4 that bow member is made of welded tube and constitute by following bow member 13 welding that round steel constitutes.Ventilation unit is respectively last ventilation unit 5 that is arranged at the bow member top and the following ventilation unit 3 that is arranged at its bottom.Last ventilation unit 5 is being equipped with the volume film on last bow member 4 tops the skylight to be set on the skylight, one side of volume film is fixed on the ridge with jump ring, and its another side is fixed on the crank-operated sliding roof film rolling rob with clip, and the skylight film rolling rob matches with the skylight.Following ventilation unit 3 is being provided with draw-in groove for vent window to be set on the periphery of vent window on the bottom of last bow member 4, the insulation film that matches with vent window is fixed in this draw-in groove by jump ring.Bow member is made of by the round steel welding last bow member 4 and following bow member 13, and the three road drag links of installing between last bow member 4 and the following bow member 13 are fixed by welding in down on the bow member 13.
Back roofing 9 covering and heat insulating heat storage composite materials are followed successively by outer surface waterproof reinforced layer, reed plate, the dried rice of thick compacting (wheat) grass are being set, and outermost layer adopts cob (wiping one's face); Bow member 4 is welded to connect by Φ 10 round steel garlands by last arch bar Φ 32 welded tubes and lower arch bar Φ 12 round steel respectively and constitutes; Thermal insulation quilt 7 is that density is 2kg/m 2The chemical fibre composite thermal-insualting quilt.Back roofing 9 is according to the geographical environment and the illumination condition design of locality, and back roofing angle of elevation alpha is 39 °~41 °, and the front roof angle β of arch daylighting cambered surface bow member is 32 °~34 °; Back wall 11, gable thickness of wall body are 2350mm-2450mm with reference to the local climate characteristics through calculating thickness.Bow member 4 is welded to connect by the round steel garland by arch and following arch and constitutes, and three road drag links of installation are fixed by welding in down on the arch between arch and the following arch.Composite greenhouse film is fixed on the bow member by film-clamping groove and jump ring.
In order to solve solanaceous vegetables safety in production in winter,, structural design, the construction of greenhouse building technology parameter and greenhouse by solar heat have been determined on the spot by research study is proved, greenhouse production in winter is known the real situation, the utilization of climatic resources.Production test and the test shows of greenhouse performance in winter by 1 year: every performance indications in greenhouse all are superior to present civil structure greenhouse by solar heat.
The utility model is suitable in the low height above sea level northern area of high latitude such as 43 °~45 ° of north latitude the survive the winter construction and the use of type greenhouse by solar heat, under influence that does not run into diastrous weather and correct management, the minimum air temperature can maintain more than 10 ℃ in the greenhouse, and the consecutive low temperature time is no more than 1 hour.
During concrete enforcement, at first determine the orientation of greenhouse by solar heat, the orientation of greenhouse by solar heat is defined as 10 ° of souths by west.Should consider local geographical environment when determining the orientation, accomplish both to guarantee light transmissivity of Sunlight Greenhouse, can maximally utilise the soil again.Dig foundation ditch according to the design drawing unwrapping wire behind the smooth intact soil.The size repetition measurement that is no less than three times should be arranged during this time, and finding has the place that is not inconsistent with drawing should search reason, in the time of can't solving, should get in touch communication with the designer.
After managing or the Construction Party checks the designing requirement of foundation ditch size conforms, require to build by laying bricks or stones ground to designed elevation (note: need make greenhouse ground absolute altitude unanimity) according to drawing.Treat that ground parches and maintenance is built the greenhouse body of wall by laying bricks or stones according to designing requirement to official hour, when building a wall body, answer the bracing wire net to fix, when the every increase of building wall 30cm, add wheat straw or pass through the straw that cuts up with a hay cutter after cutting to body of wall, and make interlayer be full of the back tamping.When body of wall was built to 2.2 meters, the lid film was made wall top water-proofing treatment.When wall behind the greenhouse is built to 2.3 meters, place built-in fitting according to design drawing, built-in fitting is put straight, pre-buried firm with building with putting.The east in greenhouse, Western Hills wall are built by laying bricks or stones according to the appearance and size of arch bar in the design drawing and are built by laying bricks or stones, are paved with the top with asphalt felt watertight composition 10 after back wall binds and do water-proofing treatment.
The wall built-in fitting is pre-buried behind the greenhouse finish after according to the pre-buried forward foot in a step built-in fitting of design drawing requirement, note the position and the absolute altitude of forward foot in a step built-in fitting, its absolute altitude should be consistent with wall behind the greenhouse and gable basis absolute altitude, error is no more than 20mm.The pre-buried concrete of the forward foot in a step can weld arch bar after reaching design label and regulation curing time.The welding of arch bar can be welded in the process of greenhouse building wall, be transported to the construction site after also can welding according to drawing in advance, but should weld the parts of first group of arch bar in strict accordance with design drawing, the requirement that welding requirements meets design drawing puts in place, all the other arch bars should weld as template with first group of arch bar, find will in time proofread and correct when size has deviation.Erection sequence is that column is pre-buried, the wooden overlap joint of purlin, adverse grade rafter are fixed, and the arch bar that will weld again after good on the built-in fitting, keeps arch bar front and back position unanimity before and after both sides are welded in the middle of the greenhouse.Backhouse facial bone frame is made up of ridgepole, column and rafter, establishes ridgepole one, establishes concrete column support for per 3 meters, and by laying rafters less than 30 centimetres of spacings, the rafter head stretches out 40 centimetres of ridgepoles between ridgepole and back wall, and the rafter tail is placed on the wall of back.For anti-rafter tail sinks, purlin is put rod one on the wall of back, and on rod, follow closely on ridgepole on rafter head top the rafter nail.Make eaves on rafter head top with rod or wooden rib, be disposed across on the rafter head, follow closely on the rafter head with nail.Fix with iron wire after leading portion rode over the rafter head edge after the arch bar welding was finished, will guarantee the linearity (guaranteeing that forward and backward built-in fitting of arch bar and ridge are in the same plane) on the arch bar North and South direction during installation.The welding drag link is through at the approximate location of the elongated three road drag links that connect as one according to design drawing between the upper and lower arch of greenhouse arch bar, is welded in arch under the greenhouse.
After building and finish, drag link welding, backhouse facial bone frame lay roofing behind the greenhouse, the innermost layer is completely spread with the thick waterproof plastic of 0.15mm and is done watertight composition, after the order of laying from inside to outside be that the thick reed plate of 50mm is completely spread, the dried rice of the thick compacting of 320mm (wheat) grass is filled, outermost layer is with the thick clay and straw plaster of 100mm, the parapet back of binding is paved with the top with asphalt felt watertight composition 10 and does water-proofing treatment.The draw-in groove of top and bottom ventilating system is fixed in the arch of greenhouse arch bar with special mould clamp according to designing requirement.The canopy film should be selected in calm noon when installing.Before the button film, film is separated into 3 parts, the cutting mode is horizontal cutting, the lateral length of film and the film consistent size of purchasing: about 2 meters of first part of film width is used for the top ventilation system in greenhouse; Second part of film width is 0.8 meter, is used for the bottom, greenhouse and makes windbreak usefulness; The remainder film is greenhouse mid portion printing opacity and uses as end ventilating system.Will distinguish one from the other the in addition positive and negative of film, the one side that word generally arranged are as the criterion with the operation instruction of film outwardly.Horizontal one side of first part of film is fixed on the ridge connecting plate with jump ring, and another side is fixed on the common skylight film rolling rob with clip; Horizontal one side of second part of film is fixed in the about 0.6 meter horizontal draw-in groove of the bow member forward foot in a step with jump ring, again the plastic foil of front roof pin is embedded in the soil.Horizontal one side of the 3rd part of film is fixed in the about 1.5 meters horizontal draw-in groove in ridge place, and another side and second part of film overlap joint are gone up and are got final product.
For the thermal insulation quilt that is applied to the present patent application Cover roller, earlier begin to push down thermal insulation quilt during installation with the buttonhole of the screw bolt passes thermal insulation quilt on the greenhouse spine connecting plate and then with the thermal insulation quilt press strip from greenhouse one end, tighten with wing nut at last, arrive the other end in greenhouse always.With one positive one anti-two film-pressing lines thermal insulation quilt is coupled together then, when connecting, notice that the front of thermal insulation quilt should link to each other successively, should positive and negatively not link to each other successively.Installing adjacent two thermal insulation quilts in back should be that one in west is pushed down one in the east, to prevent that winter, northwester led the junction of quilts to be blown into inside, greenhouse from two.Determine the piece number of this connection thermal insulation quilt according to the length in greenhouse.With the bottom of thermal insulation quilt from volume shop axle down by rolling then, note the glacing flatness of volume shop axle, adjust evenly the back and thermal insulation quilt be fixed on the volume shop spool with the thermal insulation quilt clamp.The thermal insulation quilt clamp is fixed one for per 0.5 meter, adds several admittedly thermal insulation quilt clamps near motor output shaft end, volume shop.

Claims (10)

1. energy saving sunlight greenhouse that is exclusively used in the high latitude low altitude area, comprise the back roofing (9) that is arranged on the back roof boarding (12), gable, support frame, back wall (11), bow member, thermal insulation quilt (7) and Cover roller (6), be equipped with the ventilation unit that cooperates with inside, greenhouse on bow member, burying protecting heat insulating layer (1) under the face of land in the place ahead, greenhouse, composite greenhouse film is fixed on the bow member by film-clamping groove and jump ring, support frame (8) is supported on the buttress (15) by pillar (14), it is interior fixing that the front end of bow member penetrates the clump (2) of ground embedded set, it is characterized in that: the back wall (11) in greenhouse, gable is made of the house with tamped clay walls body of wall, back roofing (9) is by the reed plate, the dry rice straw of compacting and cob constitute, its inner surface is being provided with the waterproof reinforced layer, is covered with asphalt felt watertight composition (10) jointly on its outer surface and the back wall.
2. the energy saving sunlight greenhouse that is exclusively used in the high latitude low altitude area according to claim 1 is characterized in that: the pillar in greenhouse (14) is a reinforced concrete upright column.
3. the energy saving sunlight greenhouse that is exclusively used in the high latitude low altitude area according to claim 1 is characterized in that: the last bow member (4) that bow member is made of welded tube and be made of following bow member (13) welding that round steel constitutes.
4. the energy saving sunlight greenhouse that is exclusively used in the high latitude low altitude area according to claim 1 is characterized in that: ventilation unit is respectively the last ventilation unit (5) that is arranged at the bow member top and is arranged at the following ventilation unit (3) of its bottom.
5. the energy saving sunlight greenhouse that is exclusively used in the high latitude low altitude area according to claim 4, it is characterized in that: go up ventilation unit (5) for the skylight is being set on last bow member (4) top, on the skylight, be equipped with the volume film, one side of volume film is fixed on the ridge with jump ring, its another side is fixed on the crank-operated sliding roof film rolling rob with clip, and the skylight film rolling rob matches with the skylight.
6. the energy saving sunlight greenhouse that is exclusively used in the high latitude low altitude area according to claim 4, it is characterized in that: following ventilation unit (3) is for being provided with vent window on the bottom of last bow member (4), on the periphery of vent window draw-in groove is being set, the insulation film that matches with vent window is fixed in this draw-in groove by jump ring.
7. the energy saving sunlight greenhouse that is exclusively used in the high latitude low altitude area according to claim 1, it is characterized in that: bow member is made of by the round steel welding last bow member (4) and following bow member (13), and the three road drag links of installing between last bow member (4) and the following bow member (13) are fixed by welding in down on the bow member (13).
8. the energy saving sunlight greenhouse that is exclusively used in the high latitude low altitude area according to claim 1 is characterized in that: the angle of elevation alpha of back roofing (9) is 39 °~41 °, and the front roof angle β of bow member is 32 °~34 °.
9. the energy saving sunlight greenhouse that is exclusively used in the high latitude low altitude area according to claim 1 is characterized in that: back wall (11), gable thickness of wall body are respectively 2350-2450mm.
10. the energy saving sunlight greenhouse that is exclusively used in the high latitude low altitude area according to claim 1 is characterized in that: thermal insulation quilt (7) is the chemical fibre composite thermal-insualting quilt.
CN2010202138155U 2009-11-06 2010-05-14 Special energy-saving sunlight greenhouse for high-latitude and low-elevation region Expired - Fee Related CN201758620U (en)

Priority Applications (1)

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CN2010202138155U CN201758620U (en) 2009-11-06 2010-05-14 Special energy-saving sunlight greenhouse for high-latitude and low-elevation region

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Application Number Priority Date Filing Date Title
CN200920164619 2009-11-06
CN200920164619.0 2009-11-06
CN2010202138155U CN201758620U (en) 2009-11-06 2010-05-14 Special energy-saving sunlight greenhouse for high-latitude and low-elevation region

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102293131A (en) * 2011-07-13 2011-12-28 山东农业大学 Secondary digging type efficient energy-saving sunlight greenhouse
CN102986475A (en) * 2011-09-15 2013-03-27 上海市农业科学院 Energy-saving type single-inclined-plane plastic greenhouse in Shanghai area
CN103190312A (en) * 2013-04-01 2013-07-10 尚秀军 Energy-efficient solar greenhouse in alpine region
CN103477910A (en) * 2013-10-10 2014-01-01 新疆农业科学院农业机械化研究所 Multifunctional solar greenhouse
CN104025952A (en) * 2014-06-20 2014-09-10 武威魅力农夫科技有限责任公司 Shutter rolling machine and ventilation opening integrated control system and method for greenhouse
CN104737853A (en) * 2015-03-26 2015-07-01 济南正庄农业科技有限公司 Asymmetry arch rail sunlight greenhouse system special for fruit trees and construction method of asymmetry arch rail sunlight greenhouse system
CN106718303A (en) * 2016-09-29 2017-05-31 山东农业大学 One kind simulation sunk type protected fruit trees energy-saving heliogreenhouse
CN106973726A (en) * 2017-05-11 2017-07-25 王清祥 A kind of efficient-economical solar-greenhouse
CN107018820A (en) * 2017-05-11 2017-08-08 王清祥 Large span non-support energy saving sunlight greenhouse greenhouse

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102293131A (en) * 2011-07-13 2011-12-28 山东农业大学 Secondary digging type efficient energy-saving sunlight greenhouse
CN102293131B (en) * 2011-07-13 2012-11-14 山东农业大学 Secondary digging type efficient energy-saving sunlight greenhouse
CN102986475A (en) * 2011-09-15 2013-03-27 上海市农业科学院 Energy-saving type single-inclined-plane plastic greenhouse in Shanghai area
CN103190312A (en) * 2013-04-01 2013-07-10 尚秀军 Energy-efficient solar greenhouse in alpine region
CN103190312B (en) * 2013-04-01 2018-04-17 尚秀军 Energy-efficient solar greenhouse in alpine region
CN103477910B (en) * 2013-10-10 2015-01-07 新疆农业科学院农业机械化研究所 Multifunctional solar greenhouse
CN103477910A (en) * 2013-10-10 2014-01-01 新疆农业科学院农业机械化研究所 Multifunctional solar greenhouse
CN104025952A (en) * 2014-06-20 2014-09-10 武威魅力农夫科技有限责任公司 Shutter rolling machine and ventilation opening integrated control system and method for greenhouse
CN104025952B (en) * 2014-06-20 2016-08-17 武威魅力农夫科技有限责任公司 A kind of greenhouse curtain-rolling machine and vent integral control system and method
CN104737853A (en) * 2015-03-26 2015-07-01 济南正庄农业科技有限公司 Asymmetry arch rail sunlight greenhouse system special for fruit trees and construction method of asymmetry arch rail sunlight greenhouse system
CN106718303A (en) * 2016-09-29 2017-05-31 山东农业大学 One kind simulation sunk type protected fruit trees energy-saving heliogreenhouse
CN106973726A (en) * 2017-05-11 2017-07-25 王清祥 A kind of efficient-economical solar-greenhouse
CN107018820A (en) * 2017-05-11 2017-08-08 王清祥 Large span non-support energy saving sunlight greenhouse greenhouse

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C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: Agricultural Engineering Co., Ltd. of Xingjiang Academy of Agricultural Science

Assignor: Institue of Agricultural Machinery, Xinjiang Academy of Agricultural Sciences

Contract record no.: 2011650000007

Denomination of utility model: Special energy-saving sunlight greenhouse for high-latitude and low-elevation region

Granted publication date: 20110316

License type: Exclusive License

Record date: 20110407

C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110316

Termination date: 20140514