CN209495419U - A kind of scientific research greenhouse fan and pad cooling device - Google Patents
A kind of scientific research greenhouse fan and pad cooling device Download PDFInfo
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- CN209495419U CN209495419U CN201920026957.1U CN201920026957U CN209495419U CN 209495419 U CN209495419 U CN 209495419U CN 201920026957 U CN201920026957 U CN 201920026957U CN 209495419 U CN209495419 U CN 209495419U
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- 238000001816 cooling Methods 0.000 title claims abstract description 40
- 238000011160 research Methods 0.000 title claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- 238000009423 ventilation Methods 0.000 claims description 19
- 238000006243 chemical reaction Methods 0.000 claims description 15
- 230000005855 radiation Effects 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 13
- 241001036417 Scenopinus fenestralis Species 0.000 claims description 5
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 3
- 229910003460 diamond Inorganic materials 0.000 claims description 3
- 239000010432 diamond Substances 0.000 claims description 3
- 239000011152 fibreglass Substances 0.000 claims description 3
- 239000008397 galvanized steel Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 239000000284 extract Substances 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 10
- 201000010099 disease Diseases 0.000 abstract description 6
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 5
- 241000196324 Embryophyta Species 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 241000607479 Yersinia pestis Species 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 206010009866 Cold sweat Diseases 0.000 description 1
- 241000192700 Cyanobacteria Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007323 disproportionation reaction Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
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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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Abstract
The utility model discloses a kind of scientific research greenhouse fan and pad cooling devices, the device wet curtain uses box design, the greenhouse bottom connection being isolated by air duct with Turbogrid plates, optimize the space layout in small-sized greenhouse, traditional greenhouse blower, wet curtain are eliminated to the indoor sunshade of temperature, significantly improves the lighting performance in greenhouse.Wet curtain facade covers flow-guiding screen, wet curtain sink is designed using big cornice, and wet curtain is effectively prevent to drip leak.After device starting, blower uses frequency control, adjusts the fresh air volume for entering greenhouse, achievees the purpose that accuracy controlling greenhouse room temperature, avoid traditional wet curtain fan start and stop, the excessive drawback of temperature changing amplitude in greenhouse.It is blown and is designed by bottom positive-pressure type, improve effective usable floor area in greenhouse, and reduce the entrance of chamber crop cause of disease, worm sources.
Description
Technical field
The utility model relates to greenhouse cooling technical field more particularly to a kind of scientific research greenhouse fan and pad cooling devices.
Background technique
The general number of partitions in scientific research greenhouse is more, and the area of single subregion is smaller, and each subregion is adjacent to each other or passes through vestibule
Connection, and the equipment of scientific research greenhouse configuration is more.Therefore, scientific research greenhouse is in the design of greenhouse structure and the space layout of equipment
There is more difficulties.The wet curtain in traditional greenhouse and blower are separately mounted to the opposite two sides in greenhouse, by blower air draft,
Negative pressure is formed in greenhouse, so that outdoor heated dry air, by wet curtain, the water heat absorption of wet curtain cools down, and this blower is wet
The productivity greenhouse that curtain cooling method is larger for area, device configuration is less is more applicable in, but, environmental Kuznets Curves small for area
There are more problems in demanding scientific research greenhouse.The cooling method of traditional fan and pad, often because of the screening of wet curtain and blower
Sun causes greenhouse inner blower and the daylighting of wet curtain side insufficient, in the biggish situation of greenhouse area, this local influence relative to
The influence in entire greenhouse is smaller；And in the lesser situation of the single Division area in scientific research greenhouse, the sunshade of wet curtain and blower is to whole
The influence of the daylighting in a greenhouse just becomes extremely serious.Meanwhile in the lesser situation of area, entrance, channel there is provision of
Deng must space, often result in wet curtain air-admitting surface not enough, in scientific research greenhouse the problems such as temperature distributing disproportionation, lead to scientific research temperature
The cooling effect of room is bad.Traditional suction type fan and pad cooling device is also easy to cause warm indoor crops cause of disease, worm sources logical
Cross the sucking of the gap between window, door and glass.In the design of wet curtain structure, traditional wet curtain is made because of the factors such as side flatness
Leak is dripped at wet curtain, causes cyanobacteria in greenhouse, harmful bacteria etc. to be bred, influences the normal operation in greenhouse.
In the control of wet curtain fan device, traditional wet curtain is only opened according to room temperature or stops controlling,
Actual cooling effect and energy consumption efficiency are not accounted for；It, cannot using the simple control opened and stopped in the control of blower
Suitable cooling ventilation quantity is obtained, and causes room temperature luffing excessive, rapid of air flowing and all standing, so that warm indoor environment
It is stability poor, affect the normal growth of warm indoor crops.In addition, frequent equipment start and stop, also will affect and set
Standby normal operation and service life and equipment distribution and power supply.
Utility model content
In order to overcome the shortcomings of that existing scientific research greenhouse fan and pad cooling device, the utility model provide one kind and be suitable for
The fan and pad cooling device in scientific research greenhouse, the scientific research greenhouse fan and pad cooling device can be widely applied to environmental Kuznets Curves essence
Degree is high, cools down and the good scientific research greenhouse of preventing disease and pest effect, small-scale test greenhouse.
In order to achieve the above object, technical solution used by the utility model is as follows: a kind of scientific research greenhouse fan and pad
Cooling device, for cooling down to greenhouse, the cooling device include for the radiation sensor of solar radiation value outside sensing chamber,
For the air velocity transducer of outdoor wind speed, flow-guiding screen, sealing cover, the outdoor dry-bulb temperature sensor for detecting outdoor temperature,
For detect the outdoor wet bulb temperature sensor of outside air temperature, water pump, wet curtain pond, return flume, air duct, frequency conversion fan, ventilation duct,
For detecting the indoor dry-bulb temperature sensor of room temperature, the indoor wet-bulb temperatures sensor for detecting indoor air temperature, planting
Object, Turbogrid plates, roof window, roof window motor, box wet curtain；Turbogrid plates are set in the greenhouse, greenhouse is divided into two parts up and down；
Plant is placed on Turbogrid plates；Top of greenhouse is equipped with roof window, and roof window is opened and closed by roof window motor driven；The greenhouse lower part is equipped with several
Ventilation duct, ventilation duct connect with the one end in air duct, and joint is equipped with frequency conversion fan, and the ventilation duct is equipped with several air outlets,
The other end in air duct connects with the air outlet of box wet curtain；Flow-guiding screen is covered with inside and outside the box wet curtain；It is described box
Return flume is equipped with below wet curtain, return flume is connected with wet curtain pond, and water pump is placed in wet curtain pond；Water pump extracts in wet curtain pond
Water injects water into flow-guiding screen；The box wet curtain top is equipped with sealing cover, the radiation sensor, air velocity transducer, Indoor Dry
Ball temperature sensor, indoor wet-bulb temperatures sensor, outdoor dry-bulb temperature sensor, outdoor wet bulb temperature sensor, water pump, change
Frequency blower and roof window motor are connected with controller.
Further, the Turbogrid plates material selection glass reinforced plastic or galvanized steel.
Further, the cabinet that the box wet curtain is composed of wet curtain block four identical pieces of, cabinet middle cavity are
Air duct, surrounding are air inlet, and top sets sealing cover, and box wet curtain air outlet is between wet curtain cabinet and wet curtain pond.
Further, the mesh of the flow-guiding screen is diamond structure, and the length of mesh is 5mm~15mm；Flow-guiding screen is by closing
It works out at fiber cable, plastic wire linear diameter is in 0.1mm~0.6mm.
Further, the return flume is big eave structure, and the width of cornice is 20mm~50mm.
Further, the linear distance of the ground center of the box wet curtain and greenhouse bottom air inlet is 2~6
Rice.
Further, the radiation sensor and air velocity transducer are fixed on right above greenhouse gutter；The interior dry bulb
The center in greenhouse is arranged in temperature sensor and indoor wet-bulb temperatures sensor；The outdoor dry-bulb temperature sensor and outdoor are wet
The outer rim of sealing cover is arranged in ball temperature sensor.
Further, the air inlet of the surrounding of the box wet curtain is equipped with air inlet fly net.
Further, the roof window is covered with roof window fly net.
The beneficial effects of the utility model are: by the box design of wet curtain, the arranged apart of wet curtain and greenhouse is facilitated.
By the arranged apart of wet curtain and greenhouse, the wet curtain solved influences the sunshade in greenhouse.It is by Turbogrid plates that greenhouse is empty above and below
Between be isolated, and ventilation duct and frequency conversion fan are set in lower part, eliminate traditional wet curtain fan temperature reducing device, blower is to greenhouse shading
Influence, meanwhile, by bottom positive-pressure type blow design, improve effective usable floor area in greenhouse, and reduce chamber crop
Cause of disease, worm sources are from the sucking in the gaps such as greenhouse window, door and glass.Air inlet is set in the bottom in greenhouse, outlet air is arranged in top
Mouthful, it efficiently uses in hot and cold air or more convection current, the natural lift of hot-air improves drafting efficiency, reduces cooling energy consumption.
Wet curtain facade covers flow-guiding screen, wet curtain sink is designed using big cornice, and wet curtain is effectively prevent to drip leak.
Detailed description of the invention
Fig. 1 is the principles of the present invention figure；
Fig. 2 is the side view of the utility model cooling mode；
Fig. 3 is the structure chart of the utility model wet curtain；
Fig. 4 is the sectional view figure of the utility model wet curtain；
In figure, greenhouse 1, radiation sensor 2, air velocity transducer 3, flow-guiding screen 4, sparge pipe 5, sealing cover 6, outdoor dry bulb temperature
Spend sensor 7, outdoor wet bulb temperature sensor 8, wet curtain block 9, air inlet fly net 10, water supplying pipe 11, water pump 12, wet curtain pond
13, drainpipe 14, return flume 15, air duct 16, frequency conversion fan 17, ventilation duct 18, air outlet 19, indoor dry-bulb temperature sensor
20, indoor wet-bulb temperatures sensor 21, crossbeam 22, column 23, plant 24, Turbogrid plates 25, roof window 26, roof window motor 27, roof window
Fly net 28.
Specific embodiment
With reference to the accompanying drawings and examples to the utility model further instruction；
As shown in Figs. 1-2, a kind of scientific research greenhouse fan and pad cooling device, for cooling down to greenhouse 1, cooling dress
Set including the radiation sensor 2 for solar radiation value outside sensing chamber, the air velocity transducer 3 for outdoor wind speed, flow-guiding screen 4,
Sparge pipe 5, sealing cover 6, the outdoor dry-bulb temperature sensor 7 for detecting outdoor temperature, the outdoor for detecting outside air temperature
Wet bulb temperature sensor 8, wet curtain block 9, air inlet fly net 10, water supplying pipe 11, water pump 12, wet curtain pond 13, drainpipe 14, return water
Slot 15, air duct 16, frequency conversion fan 17, ventilation duct 18, air outlet 19, the indoor dry-bulb temperature sensor for detecting room temperature
20, for detecting indoor wet-bulb temperatures sensor 21, crossbeam 22, column 23, plant 24, the Turbogrid plates 25, roof window of indoor air temperature
26, roof window motor 27, roof window fly net 28, box wet curtain.There are several columns 23 and several crossbeams 22, crossbeam 22 in the greenhouse 1
Turbogrid plates 25 are placed in top, and greenhouse 1 is divided to for upper and lower two parts, and plant 24 is placed on Turbogrid plates 25 and is tested.The temperature
Roof window 26 is set at the top of room 1, (connection type of this control folding is normal to roof window 26 by the folding of the driving roof window 26 of roof window motor 27
The means of rule can directly drive the rotary shaft rotation of roof window 26 by roof window motor 27, connector also can be used and pass power
It is delivered to roof window 26), roof window 26 is covered with roof window fly net 28.1 lower part of greenhouse be equipped with several ventilation ducts 18, ventilation duct 18 with
The one end in air duct 16 connects, and joint is equipped with frequency conversion fan 17, and the ventilation duct 18 is equipped with several air outlets 19, the air duct
16 other end connects with the air outlet of box wet curtain.The box wet curtain is composed of four pieces of identical wet curtain blocks 9, box
The surrounding of wet curtain is air inlet, and air inlet is equipped with air inlet fly net 10.It is covered with flow-guiding screen 4 inside and outside the wet curtain block 9,
Wet curtain block 9 is equipped with sparge pipe 5 above, and sparge pipe 5 is connected with water supplying pipe 11, and water supplying pipe 11 connects with water pump 12, and water pump 12 is placed
In 13 bottom of wet curtain pond.The wet curtain block 9 is arranged below return flume 15, and there is a drainpipe 14 in 15 lower end of return flume, drainpipe 14 with
Wet curtain pond 13 is connected.The box wet curtain top is equipped with sealing cover 6, is equipped with outdoor weather box, room at the outer rim of sealing cover 6
Dry-bulb temperature sensor 7 and outdoor wet bulb temperature sensor 8 outside outer meteorology He Nei disposed chamber.It is set above the outer gutter in the greenhouse 1
There are radiation sensor 2 and air velocity transducer 3.Center in the greenhouse 1 is equipped with Indoor Air as box, and Indoor Air in box as configuring
There are indoor dry-bulb temperature sensor 20 and indoor wet-bulb temperatures sensor 21.The radiation sensor 2, air velocity transducer 3, interior
Dry-bulb temperature sensor 20, indoor wet-bulb temperatures sensor 21, outdoor wet bulb temperature sensor 8, outdoor wet bulb temperature sensor,
Water pump 12, frequency conversion fan 17 and roof window motor 27 are connected with controller.Controller can use Zhejiang University ZJU-AES-09
The product of model, but not limited to this.
Further, glass reinforced plastic or galvanized steel, generally rectangular in shape, the size rule of grid may be selected in 25 material of Turbogrid plates
Lattice can be with 25mm*25mm to 60mm*60mm, preferably 38mm*38mm, thickness 25mm~50mm of Turbogrid plates 25, preferably 38mm.
Further, box wet curtain is arranged in the position apart from 1 certain distance of greenhouse, by air duct 16 and Turbogrid plates 25 from
1 bottom of greenhouse connection.The ground center of box wet curtain and the linear distance of 1 bottom air inlet mouth of greenhouse are 2~6 meters, excellent
Select 4 meters.
The box wet curtain as shown in Figure 3-4 uses box design, the case being composed of wet curtain block 9 four identical pieces of
Body, cabinet middle cavity are air duct 16, and surrounding is air inlet.Top sets sealing cover 6, wet curtain air outlet 19 be located at wet curtain cabinet and
Between wet curtain pond 13.The mesh of flow-guiding screen 4 is diamond structure, and the length of mesh is 5mm~15mm, preferably 10mm, flow-guiding screen 4
It can be worked out by synthetic strings, plastic wire linear diameter is in 0.1mm~0.6mm, preferably 0.3mm.Box wet curtain
Lower end sets sink, and sink is the design of big cornice, and the width of cornice is 20mm~50mm, preferably 35mm.
The course of work of the utility model is as follows:
In scientific research greenhouse, the controller of fan and pad cooling device sets indoor dry bulb temperature, outdoor dry bulb temperature, radiation
Intensity, the threshold value of wind speed, and according to radiation sensor 2, air velocity transducer 3, outer dry-bulb temperature sensor 7, indoor dry-bulb temperature
20 measured value of sensor judges the in due course starting of wet curtain fan cooling in threshold range.After device starting operation, frequency conversion wind
Machine uses PID control, adjusts the fresh air volume for entering greenhouse 1, achievees the purpose that 1 room temperature of accuracy controlling greenhouse, avoid tradition
Blower start and stop, in greenhouse 1 the drawbacks of high temperature variation.The device wet curtain uses box design, and is arranged in distance
The position of 1 certain distance of greenhouse is connected by 1 bottom of greenhouse that air duct 16 is isolated with Turbogrid plates 25, the setting ventilation of 1 bottom of greenhouse
Pipe 18 and frequency conversion fan.Extraneous heated dry air, by becoming clammy air after Wet-curtain temperature reducing, passes through under the negative pressure of frequency conversion fan
Behind air duct 16 and frequency conversion fan, positive-pressure type enters scientific research greenhouse 1, and after ventilation duct 18, air outlet and Turbogrid plates 25, to scientific research
1 test area of greenhouse cools down, and becomes hot-air after the completion of cooling and outdoor is discharged through 1 roof window 26 of scientific research greenhouse.Pass through wet curtain
Arranged apart with greenhouse 1, solving box wet curtain influences the sunshade in greenhouse 1.By the box design of wet curtain, facilitate wet
Curtain is arranged apart with greenhouse 1.The upper and lower space in greenhouse 1 is isolated by Turbogrid plates 25, and in lower part setting ventilation duct 18 and is become
Frequency blower 17, eliminates traditional wet curtain fan temperature reducing device, influence of the blower to 1 shading of greenhouse, meanwhile, pass through bottom positive-pressure type
Air-supply design, improves effective usable floor area in greenhouse 1, and reduces 1 crop cause of disease of greenhouse, worm sources from 1 window of greenhouse, Men He
The sucking in the gaps such as glass.Air inlet is set in the bottom in greenhouse 1, top is arranged air outlet, efficiently uses hot and cold air or more
In convection current, the natural lift of hot-air improves drafting efficiency, reduces cooling energy consumption.Wet curtain facade covers flow-guiding screen 4, wet curtain
Sink is designed using big cornice, and wet curtain is effectively prevent to drip leak.
Device adjusts temperature, humidity in greenhouse 1 by controller, and Indoor Air epidemic disaster is made to reach the requirement of setting.?
During device starting operation, the starting or stoping of blower, the start and stop of water pump 12, roof window in controller control device
26 open and close, and according to the ventilation quantity of the fresh air volume of outdoor air inlet adjusting frequency conversion fan.Meanwhile controller passes through
Outdoor outer dry-bulb temperature sensor 7, the difference of outdoor wet bulb temperature sensor 8 and indoor dry-bulb temperature sensor 20, interior are wet
The comparison of the difference of ball temperature sensor 21 measures the cooling efficiency that water pump 12 is run, and sets the threshold value of two difference comparsions,
The operation of water pump 12 is started and stopped according to threshold value, improves the energy effect that water pump 12 is run.Scientific research greenhouse fan and pad cooling
Device can be widely applied to, cooling high to environmental Kuznets Curves precision and the good scientific research greenhouse of preventing disease and pest effect, small-scale test greenhouse.
Claims (9)
1. a kind of scientific research greenhouse fan and pad cooling device, for cooling down to greenhouse, which is characterized in that the cooling device packet
Include for the radiation sensor of solar radiation value outside sensing chamber, the air velocity transducer for outdoor wind speed, flow-guiding screen, sealing cover,
Outdoor dry-bulb temperature sensor for detecting outdoor temperature, outdoor wet bulb temperature sensor, water for detecting outside air temperature
Pump, wet curtain pond, return flume, air duct, frequency conversion fan, ventilation duct, the indoor dry-bulb temperature sensor for detecting room temperature, use
In indoor wet-bulb temperatures sensor, plant, Turbogrid plates, roof window, the roof window motor, box wet curtain of detection indoor air temperature；The temperature
Greenhouse is divided into two parts up and down by indoor setting Turbogrid plates；Plant is placed on Turbogrid plates；Top of greenhouse is equipped with roof window, roof window
It is opened and closed by roof window motor driven；The greenhouse lower part is equipped with several ventilation ducts, and ventilation duct connects with the one end in air duct, and joint is set
There is frequency conversion fan, the ventilation duct is equipped with several air outlets, and the other end in air duct connects with the air outlet of box wet curtain；It is described
Flow-guiding screen is covered with inside and outside box wet curtain；It is equipped with return flume below the box wet curtain, return flume is connected with wet curtain pond,
Water pump is placed in wet curtain pond；Water pump extracts the water in wet curtain pond, injects water into flow-guiding screen；The box wet curtain top is equipped with sealing
Lid, the radiation sensor, air velocity transducer, indoor dry-bulb temperature sensor, indoor wet-bulb temperatures sensor, outdoor dry bulb temperature
Degree sensor, outdoor wet bulb temperature sensor, water pump, frequency conversion fan and roof window motor are connected with controller.
2. a kind of scientific research greenhouse fan and pad cooling device according to claim 1, which is characterized in that the grid plate
Matter selects glass reinforced plastic or galvanized steel.
3. a kind of scientific research greenhouse fan and pad cooling device according to claim 1, which is characterized in that the box wet curtain
The cabinet being composed of wet curtain block four identical pieces of, cabinet middle cavity are air duct, and surrounding is air inlet, and top sets sealing
Lid, box wet curtain air outlet is between wet curtain cabinet and wet curtain pond.
4. a kind of scientific research greenhouse fan and pad cooling device according to claim 1, which is characterized in that the flow-guiding screen
Mesh is diamond structure, and the length of mesh is 5mm~15mm；Flow-guiding screen is worked out by synthetic strings, plastic wire
Linear diameter is in 0.1mm~0.6mm.
5. a kind of scientific research greenhouse fan and pad cooling device according to claim 1, which is characterized in that the return flume is
Big eave structure, the width of cornice are 20mm~50mm.
6. a kind of scientific research greenhouse fan and pad cooling device according to claim 1, which is characterized in that the box wet curtain
Ground center and greenhouse bottom air inlet linear distance be 2~6 meters.
7. a kind of scientific research greenhouse fan and pad cooling device according to claim 1, which is characterized in that the radiation sensing
Device and air velocity transducer are fixed on right above greenhouse gutter；The interior dry-bulb temperature sensor and indoor wet-bulb temperatures sensor
The center in greenhouse is set；The outer of sealing cover is arranged in the outdoor dry-bulb temperature sensor and outdoor wet bulb temperature sensor
Edge.
8. a kind of scientific research greenhouse fan and pad cooling device according to claim 1, which is characterized in that the box wet curtain
Surrounding air inlet be equipped with air inlet fly net.
9. a kind of scientific research greenhouse fan and pad cooling device according to claim 1, which is characterized in that the roof window outer cover
There is roof window fly net.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201920026957.1U CN209495419U (en) | 2019-01-08 | 2019-01-08 | A kind of scientific research greenhouse fan and pad cooling device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920026957.1U CN209495419U (en) | 2019-01-08 | 2019-01-08 | A kind of scientific research greenhouse fan and pad cooling device |
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| Publication Number | Publication Date |
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| CN209495419U true CN209495419U (en) | 2019-10-15 |
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| CN201920026957.1U Active CN209495419U (en) | 2019-01-08 | 2019-01-08 | A kind of scientific research greenhouse fan and pad cooling device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109681994A (en) * | 2019-01-08 | 2019-04-26 | 浙江大学 | A kind of scientific research wetting shade in greenhouse cooling device and control method |
-
2019
- 2019-01-08 CN CN201920026957.1U patent/CN209495419U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109681994A (en) * | 2019-01-08 | 2019-04-26 | 浙江大学 | A kind of scientific research wetting shade in greenhouse cooling device and control method |
| CN109681994B (en) * | 2019-01-08 | 2024-02-06 | 浙江大学 | Scientific greenhouse wet curtain cooling device and control method |
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