CN107889664A - Cold ground daylight energy-saving greenhouse ventilation automatic control system and control method - Google Patents
Cold ground daylight energy-saving greenhouse ventilation automatic control system and control method Download PDFInfo
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- CN107889664A CN107889664A CN201711263011.9A CN201711263011A CN107889664A CN 107889664 A CN107889664 A CN 107889664A CN 201711263011 A CN201711263011 A CN 201711263011A CN 107889664 A CN107889664 A CN 107889664A
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- ventilation
- greenhouse
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- piston
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- 238000009423 ventilation Methods 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 239000000203 mixture Substances 0.000 claims abstract description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 15
- 230000000694 effects Effects 0.000 claims description 11
- 239000010687 lubricating oil Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 229920002635 polyurethane Polymers 0.000 claims description 5
- 239000004814 polyurethane Substances 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 241001499583 Microchera albocoronata Species 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 230000008635 plant growth Effects 0.000 abstract description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 4
- 235000013399 edible fruits Nutrition 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 235000013311 vegetables Nutrition 0.000 description 2
- 235000009854 Cucurbita moschata Nutrition 0.000 description 1
- 240000001980 Cucurbita pepo Species 0.000 description 1
- 235000009852 Cucurbita pepo Nutrition 0.000 description 1
- 238000013473 artificial intelligence Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004720 fertilization Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 230000029553 photosynthesis Effects 0.000 description 1
- 238000010672 photosynthesis Methods 0.000 description 1
- 230000010152 pollination Effects 0.000 description 1
- 235000020354 squash Nutrition 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/24—Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/12—Technologies relating to agriculture, livestock or agroalimentary industries using renewable energies, e.g. solar water pumping
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/14—Measures for saving energy, e.g. in green houses
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Greenhouses (AREA)
Abstract
Cold ground daylight energy-saving greenhouse ventilation automatic control system and control method.Current sunlight greenhouse vent is all to need regulation manually to open multiple ventilating openings, and such mode is lost time, and the temperature being easily reduced in greenhouse, influences the growth of plant.Present invention composition includes：It is fixed on greenhouse ceiling（7）On multiple ventilation units（18）And transmission device（12）, multiple ventilation units are connected with transmission device respectively, and ventilation unit includes the ventilation cylinder that bottom is embedded in inside greenhouse ceiling（10）, ventilation cylinder bottom（6）With circulation fan（9）Pass through fixed plate（8）It is fixedly connected, the top for cylinder of divulging information（4）Air grid is set between bottom（5）, the piston being engaged with air grid is provided with air grid（11）, piston upper end and rack（2）It is fixedly connected, rack top is provided with rainhat（1）.The present invention is used for the daylight energy-saving greenhouse ventilation of cold ground and automatically controlled.
Description
Technical field：
The present invention relates to a kind of ventilating system for greenhouse, and in particular to the cold ground daylight energy-saving greenhouse ventilation automatic control system of one kind and
Control method.
Background technology：
Current sunlight greenhouse vent is all to need regulation manually to open multiple ventilating openings, and such mode is lost time,
Certain trouble is also brought to operating personnel simultaneously, when needing to close ventilating opening, it is desirable to which Close All needs cost very long
Time, while the heat-insulating property of ventilating opening is bad, the temperature being easily reduced in greenhouse, influences the growth of plant.
The content of the invention：
The purpose of the present invention is to overcome existing sunlight greenhouse vent to need regulation manually, the problem of losing time, there is provided a kind of
Automatically adjust, the integrally-regulated cold ground daylight energy-saving greenhouse ventilation automatic control system of multiple ventilating openings and control method.
Above-mentioned purpose is realized by following technical scheme：
One kind cold ground daylight energy-saving greenhouse ventilation automatic control system, its composition include：It is fixed on multiple logical on greenhouse ceiling
Wind apparatus and transmission device, multiple described ventilation units are connected with described transmission device respectively, described ventilation unit bag
The ventilation cylinder that bottom is embedded in inside described greenhouse ceiling is included, described ventilation cylinder bottom passes through fixation with circulation fan
Plate is fixedly connected, and is set air grid between the top and bottom of described ventilation cylinder, is provided with described air grid
The piston being engaged with described air grid, described piston upper end are fixedly connected with rack, the installation of described rack top
There is rainhat.
Described cold ground daylight energy-saving greenhouse ventilation automatic control system, described transmission device includes pole, described
Strut ends are connected with the support being fixed on described greenhouse ceiling by bearing, and multiple gears are fixed with described pole
And worm gear, described gear are meshed with described rack, described worm gear is meshed with the worm screw being fixed on motor, described
Motor be bolted to connection with chassis, described chassis is fixed on described greenhouse ceiling.
Described cold ground daylight energy-saving greenhouse ventilation automatic control system, the height of described rack are high for described piston
2-2.5 times of degree.
Described cold ground daylight energy-saving greenhouse ventilation automatic control system, described bottom cylinder upper end are higher than described temperature
Ceiling canopy 10-15cm, a diameter of 30-60cm of described bottom cylinder.
Described cold ground daylight energy-saving greenhouse automatic ventilation control system, described divulges information described in the diameter ratio of cylinder bottom
Air grid the small 2-3mm of diameter, the diameter of described air grid is equal with the diameter on described ventilation cylinder top, institute
The diameter for the piston stated is equal with the internal diameter of described air grid.
A kind of installation of cold ground daylight energy-saving greenhouse ventilation automatic control system and control method, this method include following step
Suddenly：Set the diameter of ventilation cylinder bottom smaller 2-3mm than the diameter of air grid, ventilation cylinder lower inner wall applies lubricating oil, living
Plug uses high insulating effect and the benzene plate or plasticized polyurethane template that can suitably compress, central part axostylus axostyle run through piston main body, main
Body is fixed on axostylus axostyle by round steel sheet up and down, is entered by axostylus axostyle band piston up-downgoing, axostylus axostyle top fixed company vertical with rack
Connect, bottom cylinder lower end is placed in greenhouse and installs circulation fan, and rain-proof, snow cap is fixedly mounted in rack bar top；
In initial position, piston starts motor, motor driven worm screw, it is necessary to when being aerated in the bottom of ventilation cylinder
Rotate, worm gear concomitant rotation, rack moves up under the gearing on pole, and piston upward sliding, air is in circulation wind
Machine effect is lower to be discharged or is sucked by ventilator.
Beneficial effect：
1. the present invention is by the way of automatically adjusting, multiple ventilation units can divulge information simultaneously, open or close simultaneously, and operation makes
With inconvenience simple and convenient, that reduction manual control switch's skylight is brought, time and artificial waste are reduced.
Ventilator lower inner wall of the present invention applies lubricating oil with piston junction, and lower inner wall diameter is less than piston diameter,
Squash type state is formed, piston is placed in into insulation, sealing behind ventilator bottom significantly improves, and can effectively prevent due to ventilating opening
Greenhouse heat-insulating that is ventilative and bringing declines phenomenon, influences plant growth.
Apparatus structure of the invention is simple, can conveniently dismantle, easily maintenance.
The present invention is influenceed unobvious by southern and northern weather, practical, the warm area in south and north cold area temperature
Room can support the use, and Greenhouse in summer cooling hydrofuge, winter ventilation effect are notable.
Of the invention ventilation and ventilation speed are controllable, can be according to the greenhouses of different volumes and different geographical
Weather controls the rotating speed of circulation fan to be adjusted with steering with switch, according to hothouse production actual demand, passes through circulation fan
Rotation speed regulating and controlling air mass flow, circulation fan blade steering can be realized to warm indoor suction or the function to warm outdoor discharge.
The apparatus structure of the present invention is adapted to modern agricultural development process, can coordinate monitoring system of internet of things, realizes full-automatic
Change control, realize artificial intelligence.
The piston of the present invention uses the benzene plate or plasticized polyurethane template of high insulating effect, has certain elasticity, can be appropriate
Compression, it is seamlessly connected, and can slides up and down with ventilator inwall, ensures the sealing of ventilation unit.
Apparatus of the present invention manufacturing cost is not high, with common plastic-steel formula windowing slightly reduce, reduce greenhouse integral constructing into
This.
Apparatus structure of the invention is attractive in appearance, fashion, improves greenhouse outward appearance overall image.
The apparatus structure of the present invention, is taken a breath by sharp draft, can be improved percentage of fertile fruit in fruit vegetables production, be reduced and swash
The usage amount of plain class medicine, artificial pollination cost is reduced, reduce production cost.
Winter plant carries out photosynthesis when growing daytime, and gas concentration lwevel can be reduced substantially in greenhouse, Wu Faman
Sufficient plant well grows.The apparatus structure of the present invention, is taken a breath by sharp draft, extraneous high concentration carbon dioxide can be sucked into temperature
Interior, carbon dioxide fertilization effect is played, so as to improve the yield and quality of vegetables.
The apparatus structure of the present invention, is taken a breath by sharp draft, reduces warm indoor air humidity, is reduced in plant growth
The generation of disease, reduce Pesticide use amount, Environmental Safety.
The apparatus structure of the present invention, is taken a breath by sharp draft, can improve the resistance of growing plant in greenhouse, give birth to plant
Length is more healthy and strong.
Brief description of the drawings：
Accompanying drawing 1 is the structural representation of ventilation state of the present invention；
Accompanying drawing 2 is the structural representation that the present invention does not divulge information；
In figure：1st, rainhat；2nd, rack；3rd, pole；4th, top；5th, air grid；6th, bottom；7th, greenhouse ceiling；8th, fixed plate；
9th, circulation fan；10th, ventilation cylinder；11st, piston；12nd, transmission device；13rd, worm gear；14th, worm screw；15th, chassis；16th, gear；
17th, motor；18th, ventilation unit；19th, support.
Embodiment：
Embodiment 1：
One kind cold ground daylight energy-saving greenhouse automatic ventilation control system, its composition include：It is fixed on multiple logical on greenhouse ceiling 7
Wind apparatus 18 and transmission device 12, multiple described ventilation units are connected with described transmission device respectively, described ventilation dress
The ventilation cylinder 10 being embedded in including bottom inside described greenhouse ceiling is put, ventilation cylinder integrally uses stainless steel or alloy material
Matter, described ventilation cylinder bottom 6 are fixedly connected with circulation fan 9 by fixed plate 8, the top 4 of described ventilation cylinder with
Air grid 5 is set between bottom, and air grid uses stainless steel or alloy material, and inner surface is smooth, described ventilation
The piston 11 being engaged with described air grid is provided with grid, described piston upper end is fixedly connected with rack 2, described
Rack top rainhat 1 is installed, rainhat is umbrella design, can block sleet, and is more than ventilator diameter, prevents rain
Snow, which enters, influences piston movement in air vent, piston uses the benzene plate or plasticized polyurethane template of high insulating effect, has certain bullet
Property, it is connected with wall seamless in ventilator body, and can slide up and down, junction needs smoothed between bottom and air grid portion
Degree, piston are extruded to reduce in closed process when running to bottom and rubbed；Ventilating opening lower inner wall applies lubricating oil, to reduce with living
Plug friction, increases seal；
Described transmission device includes pole 3, and described strut ends and the support 19 being fixed on described greenhouse ceiling are logical
Bearing connection to be crossed, multiple gears 16 and worm gear 13 are fixed with described pole, described gear is meshed with described rack,
Described worm gear is meshed with the worm screw 14 being fixed on motor 17, and described motor is bolted to connection with chassis 15,
Described chassis is fixed on described greenhouse ceiling, and motor uses rain and snow motor；
The height of described rack is 2-2.5 times of described depth pistion, it is ensured that piston movement to bottom and most upper
The position hour rack at end can be engaged normally with gear；
Described bottom cylinder upper end is higher than described greenhouse ceiling 10-15cm, can prevent sleet is excessive to enter in greenhouse,
A diameter of 30-60cm of described bottom cylinder；
The diameter of described bottom cylinder is smaller 2-3mm than the diameter of described ventilator；Piston movement can be caused to ventilator
Piston and ventilation cylinder bottom are in squeezed state during body lower interior portion, are reduced by lubricating oil and rub and sealed, insulation effect
Fruit is good, and the diameter of described air grid is equal with the diameter on described ventilation cylinder top, the diameter of described piston and institute
The internal diameter for the air grid stated is equal；
The control method of described cold ground daylight energy-saving greenhouse ventilation automatic control system, this method comprise the following steps：Set
The diameter of ventilation cylinder bottom is smaller 2-3mm than the diameter of air grid, and ventilation cylinder lower inner wall applies lubricating oil, and piston is using guarantor
Temp effect is good and the benzene plate or plasticized polyurethane template that can suitably compress, and central part axostylus axostyle runs through piston main body, main body up and down by
Round steel sheet is fixed on axostylus axostyle, is entered by axostylus axostyle band piston up-downgoing, axostylus axostyle top is vertical with rack to be fixedly connected, bottom cylinder
Body lower end is placed in greenhouse and installs circulation fan, and rain-proof, snow cap is fixedly mounted in rack bar top；
In initial position, piston starts motor, motor driven worm screw, it is necessary to when being aerated in the bottom of ventilation cylinder
Rotate, worm gear concomitant rotation, rack moves up under the gearing on pole, and piston upward sliding, air is in circulation wind
Machine effect is lower to be discharged or is sucked by ventilator.
Claims (6)
1. one kind cold ground daylight energy-saving greenhouse ventilation automatic control system, its composition include：It is fixed on multiple on greenhouse ceiling
Ventilation unit and transmission device, it is characterized in that：Multiple described ventilation units are connected with described transmission device respectively, described
Ventilation unit includes the ventilation cylinder that bottom is embedded in inside described greenhouse ceiling, described ventilation cylinder bottom and circulation wind
Machine is fixedly connected by fixed plate, and air grid, described air grating are set between the top and bottom of described ventilation cylinder
The piston being engaged with described air grid is provided with grid, described piston upper end is fixedly connected with rack, described tooth
Bar top is provided with rainhat.
2. daylight energy-saving greenhouse ventilation automatic control system in cold ground according to claim 1, it is characterized in that：Described transmission
Device includes pole, and described strut ends are connected with the support being fixed on described greenhouse ceiling by bearing, described
Multiple gears and worm gear are fixed with pole, described gear is meshed with described rack, and described worm gear is with being fixed on electricity
Worm screw on machine is meshed, and described motor is bolted to connection with chassis, and described chassis is fixed on described greenhouse
On ceiling.
3. daylight energy-saving greenhouse ventilation automatic control system in cold ground according to claim 1 or 2, it is characterized in that：Described
The height of rack is 2-2.5 times of described depth pistion.
4. daylight energy-saving greenhouse ventilation automatic control system in cold ground according to claim 3, it is characterized in that：Described bottom
Cylinder upper end is higher than described greenhouse ceiling 10-15cm, a diameter of 30-60cm of described bottom cylinder.
5. daylight energy-saving greenhouse automatic ventilation control system in cold ground according to claim 4, it is characterized in that：Described ventilation
The diameter of cylinder bottom is smaller 2-3mm than the diameter of described air grid, the diameter of described air grid and described ventilation
The diameter on cylinder top is equal, and the diameter of described piston is equal with the internal diameter of described air grid.
6. the fabrication and installation side of the cold ground daylight energy-saving greenhouse ventilation automatic control system described in a kind of one of claim 1-5
Method, it is characterized in that：This method comprises the following steps：Set the diameter of ventilation cylinder bottom smaller 2-3mm than the diameter of air grid,
Cylinder lower inner wall of divulging information applies lubricating oil, and piston uses high insulating effect and the benzene plate or polyurethane plastotype that can suitably compress
Plate, central part axostylus axostyle run through piston main body, and main body is fixed on axostylus axostyle by round steel sheet up and down, by axostylus axostyle band piston up-downgoing
Enter, axostylus axostyle top is vertical with rack to be fixedly connected, and bottom cylinder lower end is placed in greenhouse and installs circulation fan, rack bar top
Rain-proof, snow cap is fixedly mounted；
In initial position, piston starts motor, motor driven worm screw, it is necessary to when being aerated in the bottom of ventilation cylinder
Rotate, worm gear concomitant rotation, rack moves up under the gearing on pole, and piston upward sliding, air is in circulation wind
Machine effect is lower to be discharged or is sucked by ventilator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711263011.9A CN107889664B (en) | 2017-12-04 | 2017-12-04 | Automatic control system and control method for sunlight energy-saving greenhouse ventilation in cold region |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711263011.9A CN107889664B (en) | 2017-12-04 | 2017-12-04 | Automatic control system and control method for sunlight energy-saving greenhouse ventilation in cold region |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107889664A true CN107889664A (en) | 2018-04-10 |
| CN107889664B CN107889664B (en) | 2024-06-25 |
Family
ID=61806151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711263011.9A Active CN107889664B (en) | 2017-12-04 | 2017-12-04 | Automatic control system and control method for sunlight energy-saving greenhouse ventilation in cold region |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107889664B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200183200Y1 (en) * | 1999-12-20 | 2000-05-15 | 김영술 | An equipment of a ventilating used in a vinyl house |
| KR200187761Y1 (en) * | 2000-02-16 | 2000-07-15 | 김영술 | A ventilating equipment used in a vinyl house |
| KR200189689Y1 (en) * | 2000-02-17 | 2000-07-15 | 김영술 | A ventilating equipment used in a vinyl house |
| KR200324541Y1 (en) * | 2003-05-09 | 2003-08-25 | 주식회사 그린하우징 | greenhouse equipped with a electric switching ventilator |
| CN205357416U (en) * | 2015-11-06 | 2016-07-06 | 安徽新源农业科技有限公司 | Double entry sunlight temperature canopy aeration cooling facility |
| CN107079744A (en) * | 2017-04-28 | 2017-08-22 | 重庆市永川区雪晶葡萄种植园 | A kind of grape greenhouse of automatic shutter |
| CN207612771U (en) * | 2017-12-04 | 2018-07-17 | 黑龙江省农业科学院园艺分院 | Cold ground daylight energy-saving greenhouse ventilation automatic control system |
-
2017
- 2017-12-04 CN CN201711263011.9A patent/CN107889664B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200183200Y1 (en) * | 1999-12-20 | 2000-05-15 | 김영술 | An equipment of a ventilating used in a vinyl house |
| KR200187761Y1 (en) * | 2000-02-16 | 2000-07-15 | 김영술 | A ventilating equipment used in a vinyl house |
| KR200189689Y1 (en) * | 2000-02-17 | 2000-07-15 | 김영술 | A ventilating equipment used in a vinyl house |
| KR200324541Y1 (en) * | 2003-05-09 | 2003-08-25 | 주식회사 그린하우징 | greenhouse equipped with a electric switching ventilator |
| CN205357416U (en) * | 2015-11-06 | 2016-07-06 | 安徽新源农业科技有限公司 | Double entry sunlight temperature canopy aeration cooling facility |
| CN107079744A (en) * | 2017-04-28 | 2017-08-22 | 重庆市永川区雪晶葡萄种植园 | A kind of grape greenhouse of automatic shutter |
| CN207612771U (en) * | 2017-12-04 | 2018-07-17 | 黑龙江省农业科学院园艺分院 | Cold ground daylight energy-saving greenhouse ventilation automatic control system |
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| Publication number | Publication date |
|---|---|
| CN107889664B (en) | 2024-06-25 |
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