CN103891549B - Three layers of dual protecting type green house of vegetables - Google Patents
Three layers of dual protecting type green house of vegetables Download PDFInfo
- Publication number
- CN103891549B CN103891549B CN201410153475.4A CN201410153475A CN103891549B CN 103891549 B CN103891549 B CN 103891549B CN 201410153475 A CN201410153475 A CN 201410153475A CN 103891549 B CN103891549 B CN 103891549B
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- bow member
- fancy
- booth
- film
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
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- Protection Of Plants (AREA)
Abstract
The present invention provides a kind of three layers of dual protecting type green house of vegetables, the insulation film comprising windbreak, greenhouse frame and cover on greenhouse frame, fancy bow member it is provided with above greenhouse frame, fancy bow member is provided with activity formula bracing or strutting arrangement, covering and heat insulating film above it, is provided with insulation quilt above the insulation film of described greenhouse frame and fancy bow member; Two bow members adjacent in the middle part of fancy bow member are the combination of bow member track, and the bow member track groups side of closing is provided with rail bracket, and one end of rail bracket is fixed in the vertical rod being arranged on windbreak top, and the combination of bow member track and rail bracket are provided with roller blind device; In booth, it is provided with simple and easy bow member, it covers and manually rolls up film; Snow-scrapping equipment also it is provided with above described fancy bow member. Night of the present invention, canopy temperature can improve 10 DEG C-12 DEG C, extends light application time because of the raising of heat insulation effect, substantially improves vegetables quality, it is to increase the plantation class of booth, solve north booth vegetable produce in the too low contradiction of canopy temperature.
Description
Technical field
The present invention relates to a kind of green house of vegetables, belong to field of agricultural production technologies.
Background technology
Warm-in-winter vegetables in day-light greenhouse booth is the new things that rise and development gets up in recent decades, and its rise and development allows the food configuration of whole nation most area there occurs wide variation gradually, also allows neighboring countries and regions obtain certain material benefit simultaneously. It not only allows numerous vegetable growers develop household economy rapidly, promotes again simultaneously and driven the development of local economy. Along with booth is in the popularization of all parts of the country, pattern, the standard of booth are being updated, planting technology constantly promotes, pattern of farming also constantly changes, but owing to green house of vegetables developing history is extremely short, the standard lack rigorous, science, suiting measures to local conditions, the whole nation has also occurred some drawbacks at booth construction, booth vegetable in producing. Such as: the television cameras that several years ago after area, north chance heavy snow, booth is collapsed by pressure come clearly into view, what the major cause that booth is collapsed by pressure is, answer is exactly that agent structure is unreasonable, also have a kind of phenomenon be exactly in kind in autumn winter freeze to death or not long, such as the class wanted to allow it grow dish just reduces long-term cropping. Such as: Plantula Brassicae chinensis, intensive shadow on lung or spinach and so on, it is desirable why built booth does not reach plantation, and except the odjective cause that local climate temperature is low, its major cause is limited by the pattern being built booth, construction standard, heat-retaining condition. Such as above-mentioned Problems existing, tightly bind round the production of north booth vegetable as bottleneck always, particularly northeast to the north of north latitude 38 ��, area, the north, western part to the north of in the of 30 ��, the Northwest, the restriction that booth vegetable is produced particularly is highlighted by low temperature, and this is the regional knotty problem much done the agricultural science and technology personage of booth vegetable and face in the north. With regard to the overview of green house of vegetables, no matter being middle area or northern territory, the temperature general amplitude difference in daytime canopy is very not big, it is important to night, especially after midnight, just differing greatly in the North and South, this is because canopy internal and external temperature contrast difference in the North and South is too big, particularly cold district is too big to canopy internal and external temperature difference at night, the cooling of canopy face is caused to accelerate, temperature of shed is sharply declined, because canopy internal-external temperature difference is more big, cooling rate is more fast. Kind of slum-dweller, in order to keep temperature of shed, takes various measure, some thickened heat insulation layers, also have in canopy with stove fire temperature raising etc., though these ways can improve certain effect, but can not fundamentally resolve contradiction.
Summary of the invention
Technical problem to be solved by this invention is the defect existed for prior art, it is provided that a kind of green house of vegetables solving cold district night insulation problem.
For solving this technical problem, the present invention provides a kind of three layers of dual protecting type green house of vegetables, the insulation film comprising windbreak, greenhouse frame and cover on greenhouse frame, the lower section of each greenhouse frame is by 3 booth upright supports, fancy bow member it is provided with above greenhouse frame, fancy bow member is provided with activity formula bracing or strutting arrangement, and covering and heat insulating film above it is provided with insulation quilt above insulation film of described greenhouse frame and fancy bow member; Two bow members adjacent in the middle part of described fancy bow member are the combination of bow member track, this bow member track groups side of closing is provided with rail bracket, one end of described rail bracket is fixed in the vertical rod being arranged on windbreak top, and the combination of described bow member track and rail bracket are provided with roller blind device; In booth, it is provided with simple and easy bow member, simple and easy bow member covers and manually rolls up film; Snow-scrapping equipment also it is provided with above described fancy bow member.
The spacing of described greenhouse frame is 2.7-3 rice, and the spacing of fancy bow member is 0.9-1 rice, and rail bracket is made up of two fancy bow members, and its spacing is 0.9-1 rice.
Described activity formula bracing or strutting arrangement comprises support bar, and one end of this support bar is hinged on the top that bow member track groups is closed, is positioned at each booth column, and the middle part of support bar is provided with draw ring, and rope and each support bar draw ring are bolted; Windbreak combines concordant place with bow member track and is provided with fixed pulley one, the lower section of this fixed pulley one is provided with crank steering gear, the groove one that fixed pulley one is walked around in one end of described rope is connected with crank steering gear, and the other end walks around the groove two and crank steering gear Opposite direction connection of walking around fixed pulley one after the fixed pulley two being located on fancy bow member is turned back.
Described crank steering gear comprises rotating shaft, conical gear combination and crank, the length of rotating shaft is equal with the longitudinal length of booth, it is fixed on the column of windbreak by bearing support, Connectable umbrella gear unit merging engaged transmission distinguished by rotating shaft and crank, the two ends of described rope are just oppositely wrapped in the corresponding position of rotating shaft, and shake crank drives the positive and negative rotation of rotating shaft by conical gear combination thus drives the two ends of rope or rising or decline and then drag support bar parallel or erect.
Described roller blind device comprises the track being located in rail groove and roller shutter dolly, and roller shutter dolly is by pulley card in orbit; Described roller shutter dolly is provided with motor by bracing frame and by belt-driven step-down gear, for being movably hinged between this bracing frame and roller shutter dolly, the output terminal of described step-down gear is connected with spool, the lower end fixing wound of described spool insulation quilt, its length is identical with booth longitudinal length, motor via reducer drives spool to rotate, and spool drags roller shutter dolly while winding or relieving insulation quilt and moves up and down along track.
Described snow-scrapping equipment comprises snow scraping plate and transmission mechanism, and described snow scraping plate comprises scraper plate and orientation scrapes bar, is respectively equipped with shack, connecting rope two ends on this shack with the directed end scraping bar above scraper plate; The slide block that described transmission mechanism comprises major axis and is arranged on major axis, described slide block is provided with fixed pulley, and fixed pulley walked around by rope, pulls rope ends snow scraping plate to rise from Row sum-equal matrix angle or decline.
Described simple and easy bow member is provided with manual film rolling device, can realize manually rolling up packing up and overlay film of film by shaking manual film rolling device, manual film rolling device be provided with extension spring to regulate the tension force of rope.
Also being provided with in described booth and hang drawing-type fortune dish combination unit, this suspension drawing-type fortune dish combination unit comprises and is arranged on aerial slideway and the hanging basket hanging on slideway by suspension rod.
Useful effect: the present invention contrasts common booth canopy at night temperature can improve 10 DEG C-12 DEG C, not only increase substantially vegetable crop, and the raising because of heat insulation effect, roller shutter is put curtain with delaying and is extended light application time in advance, improve photosynthesis, also vegetables quality is just substantially improved, because of the raising of booth medial temperature, just must improve the plantation class of booth, the conspicuous contradiction that in the booth vegetable production of the strong solution north, canopy temperature is too low, contribute to the development of north booth vegetable, bring Gospel to the vast canopy unit of building in the north, for whole nation vegetables industry makes certain contribution.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention;
Fig. 2 is A-A cross-sectional schematic of the present invention;
Fig. 3 is the simple and easy bow member of the present invention and the structural representation manually rolling up film;
Fig. 4 is the structural representation of activity formula bracing or strutting arrangement of the present invention;
Fig. 5 is the structural representation of crank steering gear of the present invention;
Fig. 6 is the structural representation of roller blind device of the present invention;
Fig. 7 is the structural representation of snow-scrapping equipment of the present invention;
Fig. 8 is the structural representation that the present invention hangs drawing-type fortune dish combination unit.
In figure: 1 windbreak, 2 greenhouse frames, 3 insulation films, 4 fancy bow members, 5 rail brackets, 6 insulation quilts, 7 roller blind devices, 8 simple and easy bow members, 9 manually roll up film, 10 activity formula bracing or strutting arrangements, 11 snow-scrapping equipments, 12 manual film rolling devices, 13 support bars, 14 draw rings, 15 ropes, 16 fixed pulleys one, 17 crank steering gears, 18 fixed pulleys two, 19 rotating shafts, 20 conical gear combinations, 21 cranks, 22 tracks, 23 motors, 24 step-down gears, 25 spools, 26 bow member track combinations, 27 snow scraping plates, 28 vertical rods, 29 major axis, 30 slide blocks, 31 suspension rods, 32 slideways, 33 hanging baskets, 34 extension springs.
Embodiment
Below in conjunction with drawings and Examples, the present invention is specifically described.
Fig. 1 show the structural representation of the present invention.
Fig. 2 show A-A cross-sectional schematic of the present invention.
The insulation film 3 that the present invention comprises windbreak 1, greenhouse frame 2 and covers on greenhouse frame 2, the lower section of each greenhouse frame 2 is by 3 booth upright supports, fancy bow member 4 it is provided with above greenhouse frame 2, fancy bow member 4 is provided with activity formula bracing or strutting arrangement 10, covering and heat insulating film 3 above it, is provided with insulation quilt 6 above the insulation film of described greenhouse frame 2 and fancy bow member 4; Two bow members adjacent in the middle part of described fancy bow member 4 are bow member track combination 26, it is provided with rail bracket 5 above this bow member track combination 26, one end of described rail bracket 5 is fixed in the vertical rod 28 being arranged on windbreak 1 top, and described bow member track combination 26 and rail bracket 5 are provided with roller blind device 7; In booth, it is provided with simple and easy bow member 8, simple and easy bow member 8 covers manually volume film 9; Snow-scrapping equipment 11 also it is provided with above described fancy bow member 4.
The spacing of described greenhouse frame 2 is 2.7-3 rice, and the spacing of fancy bow member 4 is 0.9-1 rice, and rail bracket 5 is made up of two fancy bow members, and its spacing is 0.9-1 rice.
The combination 26 of bow member track is identical with the structure of rail bracket 5, is all arranged on the middle of booth east-west direction, it is intended that during in order to roll up insulation quilt 6, it is firmly symmetrical, not easily sideslip.
Fig. 4 show the structural representation of activity formula bracing or strutting arrangement of the present invention.
Described activity formula bracing or strutting arrangement 10 comprises support bar 13, and one end of this support bar 13 is hinged in bow member track combination 26, is positioned at the surface of each booth column, and the middle part of support bar 13 is provided with draw ring 14, and rope 15 and each support bar 13 draw ring 14 are bolted; Windbreak 1 combines with bow member track 26 concordant places and is provided with fixed pulley 1, the lower section of this fixed pulley 1 is provided with crank steering gear 17, the groove one that fixed pulley 1 is walked around in one end of described rope 15 is connected with crank steering gear 17, and the other end walks around the groove two and crank steering gear 17 Opposite direction connection of walking around fixed pulley 1 after the fixed pulley 2 18 being located on fancy bow member 4 is turned back.
Fig. 5 show the structural representation of crank steering gear of the present invention.
Described crank steering gear 17 comprises rotating shaft 19, conical gear combination 20 and crank 21, the length of rotating shaft 19 is equal with the longitudinal length of booth, it is fixed on the column of windbreak 1 by bearing support, rotating shaft 19 and crank 21 distinguish Connectable umbrella gear combination 20 and engaged transmission, the two ends of described rope 15 are just oppositely wrapped in the corresponding position of rotating shaft 19, shake crank 21 combines the 20 drive positive and negative rotations of rotating shaft 19 by conical gear thus drives two ends or the rising of rope 15, decline so drag support bar 13 parallel or erect, its effect is that fixed point supports the ultimate compression strength improving upper strata fancy bow member.
Fig. 6 show the structural representation of roller blind device of the present invention.
Described roller blind device 7 comprises the track 22 and roller shutter dolly being located in rail groove, and roller shutter dolly is stuck on track 22 by pulley; Described roller shutter dolly is provided with motor 23 by bracing frame and by belt-driven step-down gear 24, for being movably hinged between this bracing frame and roller shutter dolly, the output terminal of described step-down gear 24 is connected with spool 25, the lower end fixing wound of described spool 25 insulation quilt, its length is identical with booth longitudinal length, motor 23 drives spool 25 to rotate by step-down gear 24, and spool 25 drags roller shutter dolly while winding or relieving insulation quilt and moves up and down along track.
Fig. 7 show the structural representation of snow-scrapping equipment of the present invention.
Described snow-scrapping equipment 11 comprises snow scraping plate 27 and transmission mechanism, and described snow scraping plate 27 comprises scraper plate and orientation scrapes bar, is respectively equipped with shack, connecting rope two ends on this shack with the directed end scraping bar above scraper plate; The slide block 30 that described transmission mechanism comprises major axis 29 and is arranged on major axis 29, described slide block 30 is provided with fixed pulley, and fixed pulley walked around by rope, pulls rope ends snow scraping plate 27 to rise from Row sum-equal matrix angle or decline.
Fig. 8 show the structural representation that the present invention hangs drawing-type fortune dish combination unit.
Also being provided with in booth and hang drawing-type fortune dish combination unit, this suspension drawing-type fortune dish combination unit comprises the hanging basket 33 being arranged on aerial slideway 32 by suspension rod 31 and hanging on slideway.
Fig. 3 show the simple and easy bow member of the present invention and manually rolls up the structural representation of film.
Simple and easy bow member 8 is provided with manual film rolling device 12, can realize manually rolling up packing up and overlay film of film 9 by shaking manual film rolling device 12, manual film rolling device 12 be provided with extension spring 34 to regulate the tension force of rope.
Above booth, also it is provided with roller shutter type leak informaton mouth.
The present invention adopts to additionally arrange one layer of simple and easy bow member in upper and lower two layers of bow member, double-layer films, two layers of insulation quilt, upper and lower two roller shutter machine, canopy and manually roll up film and realizes three layers of two guarantor's effect, the effect of upper strata insulation quilt mainly defends wind, snow, rain, low temperature to the invasion and attack of lower floor's insulation quilt, provides favourable condition and barrier for lower floor's temperature of shed delays release; The effect that film manually rolled up by bottom mainly intercepts temperature and directly contacts middle level thermal insulation layer, and time delay is incubated, it is to increase reduced temperature. Because adding upper thermal-insulation layer, the auxiliary thermal insulation layer these two layers of bottom, just increase substantially the heat insulation effect in middle layer. When daytime double-layer heat insulation be rolled, temperature of shed rise time, in order to improve light efficiency, can hand end film simultaneously whole canopy roll up. Avenge greatly for area, the north, avenge rule frequently, booth devises time saving and energy saving snow-scrapping equipment, in order to anti-heavy snow is upper strata bow member compressive strain, devise hand supplemental support combination unit, 10 seconds can whole canopy fixed point once support, leak informaton, close wind combination unit, hand 10 second whole canopy bilayer complete simultaneously; The labour intensity plucking dish, fortune dish in canopy to alleviate, devise and hang drawing-type fortune dish combination unit, a hand can be contacted to lead simultaneously and be drawn 500 jin, temperature is improved in order to reduce canopy humidity, in canopy, water channel adopts totally enclosed and installs slight irrigation, and the upper and lower two layers of roller shutter machine of booth adopt anti-de-double-rail, and bottom roller shutter machine track adopts frame rail combined, the application of above-mentioned general patent technology, can reduce the labour intensity of the every work of booth greatly.
Embodiment:
Long eggplant before and after " three nine-day periods after the winter solstice ", in canopy, temperature is when about 11 DEG C night, pluck 6-7 days interval time, every mu 260 jin/time, when reaching about 18 DEG C, pluck 3 days interval times, every mu 744 jin/time, if output was calculated by every mu of every day, its reduced temperature is exactly about 11 DEG C with contrast output, about every mu of every day 37-43 jin, every mu of every day about 248 jin when about 18 DEG C, if conversion yield is become economic benefit, namely calculate by 4 yuan per jin and just equal 43 jin �� 4 yuan=172 yuan contrasts 248 jin �� 4 yuan=992 yuan, moreover it must not be same grade that condition of different temperatures is produced long eggplant, this kind contrast benefit not only in two or three years can compensate three layers of dual protecting type booth contrast common booth build canopy branched go out cost, the most important thing is long-range economic benefit true.
The present invention contrasts common booth canopy at night temperature can improve 10 DEG C-12 DEG C, not only increase substantially vegetable crop, and the raising because of heat insulation effect, roller shutter is put curtain with delaying and is extended light application time in advance, improve photosynthesis, also vegetables quality is just substantially improved, because of the raising of booth medial temperature, just must improve the plantation class of booth, the conspicuous contradiction that in the booth vegetable production of the strong solution north, canopy temperature is too low, contribute to the development of north booth vegetable, bring Gospel to the vast canopy unit of building in the north, for whole nation vegetables industry makes certain contribution.
The above-mentioned embodiment of the present invention, just illustrates, is not only, and the change in the scope of within the scope of the present invention all or equivalent the present invention is all surrounded by the present invention.
Claims (7)
1. three layers of dual protecting type green house of vegetables, the insulation film (3) comprising windbreak (1), greenhouse frame (2) and cover on greenhouse frame (2), the lower section of each greenhouse frame (2) is by 3 booth upright supports, it is characterized in that: the top of greenhouse frame (2) is provided with fancy bow member (4), fancy bow member (4) is provided with activity formula bracing or strutting arrangement (10), covering and heat insulating film (3) above it, are provided with insulation quilt (6) above the insulation film of described greenhouse frame (2) and fancy bow member (4); Two adjacent bow members of described fancy bow member (4) middle part are bow member track combination (26), this bow member track combination (26) top is provided with rail bracket (5), one end of described rail bracket (5) is fixed in the vertical rod (28) being arranged on windbreak (1) top, and described bow member track combination (26) and rail bracket (5) are provided with roller blind device (7); In booth, it is provided with simple and easy bow member (8), simple and easy bow member (8) covers and manually rolls up film (9); Described fancy bow member (4) top is also provided with snow-scrapping equipment (11); Described activity formula bracing or strutting arrangement (10) comprises support bar (13), one end of this support bar (13) is hinged on the top that fancy bow member (4) is upper, be positioned at each booth column, the middle part of support bar (13) is provided with draw ring (14), and rope (15) and each support bar (13) draw ring (14) are bolted; At windbreak (1), upper place concordant with bow member track combination (26) is provided with fixed pulley one (16), the lower section of this fixed pulley one (16) is provided with crank steering gear (17), the groove one that fixed pulley one (16) is walked around in one end of described rope (15) is connected with crank steering gear (17), and the other end walks around the groove two and crank steering gear (17) Opposite direction connection of walking around fixed pulley one (16) after the fixed pulley two (18) being located on fancy bow member (4) is turned back.
2. three layers of dual protecting type green house of vegetables according to claim 1, it is characterised in that: the spacing of described greenhouse frame (2) is 2.7-3 rice, and the spacing of fancy bow member (4) is 0.9-1 rice, and rail bracket (5) is made up of two fancy bow members, and its spacing is 0.9-1 rice.
3. three layers of dual protecting type green house of vegetables according to claim 1, it is characterized in that: described crank steering gear (17) comprises rotating shaft (19), conical gear combination (20) and crank (21), the length of rotating shaft (19) is equal with the longitudinal length of booth, it is fixed on the column of windbreak (1) by bearing support, rotating shaft (19) and crank (21) distinguish Connectable umbrella gear combination (20) and engaged transmission, the two ends of described rope (15) are just oppositely wrapped in the corresponding position of rotating shaft (19), shake crank (21) is combined (20) by conical gear and is driven rotating shaft (19) positive and negative rotation thus drive two ends or the rising of rope (15), decline so drag support bar (13) parallel or erect.
4. three layers of dual protecting type green house of vegetables according to claim 1, it is characterised in that: described roller blind device (7) comprises the track (22) and roller shutter dolly being located in rail groove, and roller shutter dolly is stuck on track (22) by pulley; Described roller shutter dolly is provided with motor (23) by bracing frame and passes through belt-driven step-down gear (24), for being movably hinged between this bracing frame and roller shutter dolly, the output terminal of described step-down gear (24) is connected with spool (25), the lower end fixing wound of described spool (25) insulation quilt, its length is identical with booth longitudinal length, motor (23) drives spool (25) to rotate by step-down gear (24), and spool (25) drags roller shutter dolly while winding or relieving insulation quilt and moves up and down along track.
5. three layers of dual protecting type green house of vegetables according to claim 1, it is characterized in that: described snow-scrapping equipment (11) comprises snow scraping plate (27) and transmission mechanism, described snow scraping plate (27) comprises scraper plate and orientation scrapes bar, it is respectively equipped with shack, connecting rope two ends on this shack with the directed end scraping bar above scraper plate; The slide block (30) that described transmission mechanism comprises major axis (29) and is arranged on major axis (29), described slide block is provided with fixed pulley on (30), and fixed pulley walked around by rope, pulls rope ends snow scraping plate (27) to rise from Row sum-equal matrix angle or decline.
6. three layers of dual protecting type green house of vegetables according to claim 1, it is characterized in that: described simple and easy bow member (8) is provided with manual film rolling device (12), can realize manually rolling up packing up and overlay film of film (9) by shaking manual film rolling device (12), manual film rolling device (12) be provided with extension spring (34) to regulate the tension force of rope.
7. three layers of dual protecting type green house of vegetables according to the arbitrary item of claim 1-6, it is characterized in that: be also provided with in booth and hang drawing-type fortune dish combination unit, this suspension drawing-type fortune dish combination unit is comprised and is arranged on aerial slideway (32) and the hanging basket (33) hanging on slideway by suspension rod (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410153475.4A CN103891549B (en) | 2014-04-17 | 2014-04-17 | Three layers of dual protecting type green house of vegetables |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410153475.4A CN103891549B (en) | 2014-04-17 | 2014-04-17 | Three layers of dual protecting type green house of vegetables |
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| Publication Number | Publication Date |
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| CN103891549A CN103891549A (en) | 2014-07-02 |
| CN103891549B true CN103891549B (en) | 2016-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410153475.4A Expired - Fee Related CN103891549B (en) | 2014-04-17 | 2014-04-17 | Three layers of dual protecting type green house of vegetables |
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| CN (1) | CN103891549B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106489613A (en) * | 2016-11-25 | 2017-03-15 | 辽宁虹圆现代农业装备技术开发有限公司 | Slip lid greenhouse slip lid mechanical connecting device |
| CN106577022A (en) * | 2016-12-19 | 2017-04-26 | 罗逍 | Double-layer film covering method for greenhouse |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101151959A (en) * | 2006-09-25 | 2008-04-02 | 天津市渔桥蔬菜研究所 | High-efficiency energy-saving type internal insulation day-light greenhouse |
| CN201528564U (en) * | 2009-11-17 | 2010-07-21 | 吉林市东北生态农业发展有限责任公司 | Independently-layered greenhouse arch frame big shed |
| CN102805013A (en) * | 2012-08-09 | 2012-12-05 | 刘立功 | Double-layer internal heat preservation greenhouse |
| KR101377218B1 (en) * | 2012-10-12 | 2014-03-26 | 에스지티(주) | Greenhouse |
| CN103039303B (en) * | 2013-01-21 | 2014-08-13 | 新疆农业科学院农业机械化研究所 | Solar greenhouse with two film and two arch frames |
| CN203775795U (en) * | 2014-04-17 | 2014-08-20 | 郑西江 | Three-layer double-protection type vegetable greenhouse |
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2014
- 2014-04-17 CN CN201410153475.4A patent/CN103891549B/en not_active Expired - Fee Related
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| CN103891549A (en) | 2014-07-02 |
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Granted publication date: 20160601 Termination date: 20190417 |