CN103858709A - Geothermal temperature humidity regulation system for greenhouse - Google Patents
Geothermal temperature humidity regulation system for greenhouse Download PDFInfo
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- CN103858709A CN103858709A CN201410086052.5A CN201410086052A CN103858709A CN 103858709 A CN103858709 A CN 103858709A CN 201410086052 A CN201410086052 A CN 201410086052A CN 103858709 A CN103858709 A CN 103858709A
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- 230000033228 biological regulation Effects 0.000 title claims abstract description 24
- 239000002689 soil Substances 0.000 claims abstract description 42
- 240000008042 Zea mays Species 0.000 claims abstract description 27
- 235000002017 Zea mays subsp mays Nutrition 0.000 claims abstract description 27
- 239000010902 straw Substances 0.000 claims abstract description 27
- 235000016383 Zea mays subsp huehuetenangensis Nutrition 0.000 claims description 24
- 235000009973 maize Nutrition 0.000 claims description 24
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 claims description 3
- 230000012010 growth Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 abstract 3
- 235000005822 corn Nutrition 0.000 abstract 3
- 229920000915 polyvinyl chloride Polymers 0.000 abstract 2
- 239000004800 polyvinyl chloride Substances 0.000 abstract 2
- 230000007613 environmental effect Effects 0.000 description 12
- 230000008859 change Effects 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 235000013311 vegetables Nutrition 0.000 description 3
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 2
- 241000700605 Viruses Species 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000005338 heat storage Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000422 nocturnal effect Effects 0.000 description 2
- 230000008635 plant growth Effects 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000036642 wellbeing Effects 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
Abstract
The invention discloses a geothermal temperature humidity regulation system for a greenhouse. 4-6 groups of main pipes of which partial pipelines are vertical to the ground are arranged at the same plane of the south side in the greenhouse in parallel; the heads at the upper ends of the main pipes are north elbows close to the top in the greenhouse; stop pieces are arranged on the heads of the main pipes and air guide pipes; the upper end of each group of main pipe is connected with one end of the corresponding air guide pipe by a fan; each group of air guide pipe is parallel with the ground, and the other end of each group of air guide pipe southwards extends out of the greenhouse; the parts, embedded underground, of all the groups of main pipes, namely parallel embedded pipes are communicated in a square crossing way to form a communicated latticed pipe network on one plane; 16-20 parallel embedded pipes re arranged and parallel with one another; corn straws of 50-100mm thick are paved on the parallel embedded pipes; parallel PVC (polyvinyl chloride) vent pipes with the pipe diameter of 10-12mm are arranged above the corn straws in the vertical direction, and a soil layer is arranged on the corn straws. The geothermal temperature humidity regulation system for the greenhouse has the beneficial effect that air and temperature and humidity of soil in the greenhouse in summer and winter achieve the standards suitable for the growth of crops.
Description
Technical field
The invention belongs to green house construction technique field, relate to a kind of green house underground heat temperature and humidity regulation system.
Background technology
Green house plantation at present adopts solar thermal collector or solar water heater heating water to send into green house pipe network, make the method for greenhouse temperature increasing, this kind of method is that water is made thermal-arrest medium, need water iterative cycles in system to flow, the electric energy that expends water pump is larger, front-end fee is higher, also has the problems such as burn into leakage, is not suitable for spread; Also have take solar energy as medium in addition, by solar thermal collector/plate, heat is stored into underground, make the method for greenhouse temperature increasing, the defect of these class methods is that early investment expense is high, and the later stage need the problems such as professional safeguards, be not suitable for promoting the use of in northwestern economy low developed area.
Summary of the invention
The object of the present invention is to provide a kind of green house underground heat temperature and humidity regulation system, solved the interior air of existing green house and soil temp. and humidity in summer too high, winter temperature is low and humidity is high, and builds the high problem of temperature-increasing system booth cost.
The technical solution adopted in the present invention is: the green house that comprises south-north direction, in green house, southern side same plane is arranged side by side the supervisor of 4-6 group perpendicular to ground, every group supervisor between distance equate and distance be 8000-12000mm, supervisor upper end head is the north orientation bend pipe near canopy inner top, another part pipeline of supervisor is embedded in underground 450-490mm place and is parallel to ground and extends to edge, north side in green house, every group of supervisor upper end is connected with induced duct one end by blower fan respectively, parallel to the ground and the other end of every group of induced duct stretches out green house outside southwards, on supervisor's head and induced duct, be respectively equipped with catch, circulation of air in can barrier tube when catch is closed, every group of supervisor is embedded in underground part and is square crossing by pipe laying in parallel and is communicated with and forms the in one plane trellis pipe network of pipeline communication, pipe laying in parallel is provided with 16-20 root and every and is arranged in parallel, the thick maize straw of 50-100mm is laid in pipe laying in parallel top, maize straw top vertical direction is settled the parallel PVC breather pipe of caliber 10-12mm, it is capable that the east-west parallel and underground supervisor of PVC breather pipe lays 4-6, spacing 8000-12000mm, south-north direction 8-12 row, spacing 520-560mm, ground floor is led in PVC breather pipe one end, all PVC breather pipes of maize straw top are connected with the pvc pipe of caliber 10-12mm, formation is parallel to the latticed arrangement of maize straw, maize straw top is soil layer.
Feature of the present invention is also that supervisor adopts pvc pipe, caliber 300-350mm; Induced duct adopts pvc pipe, caliber 300-350mm, induced duct cross-section center point and the interior ground distance 2000-2065mm of canopy; Pipe laying in parallel adopts pvc pipe, caliber 50mm, tube pitch 340-380mm; The north side of PVC breather pipe is apart from booth north 500mm; Soil layer bottom is divided into the layer that loosens the soil, and top is divided into plow layer.Supervisor is 5 groups.
The invention has the beneficial effects as follows that air and soil summer and winter temp. and humidity reaches the standard that is suitable for crop growth in booth.
Accompanying drawing explanation
Fig. 1 is the east-west cutaway view of a kind of green house underground heat of the present invention temperature and humidity regulation system;
Fig. 2 is a kind of green house underground heat of the present invention temperature and humidity regulation System planes structural representation;
Fig. 3 is the interior underground 20cm of two green house canopies in summer place ground temperature situation of change after employing native system;
Fig. 4 adopts after native system two green house temperature of shed situations of change in summer;
Fig. 5 is the interior humidity situation of change of two green house canopies in summer after employing native system;
Fig. 6 adopts after native system two green house temperature of shed situations of change in winter;
Fig. 7 is the interior underground 20cm of two green house canopies in winter place ground temperature situation of change after employing native system;
Fig. 8 is the interior humidity situation of change of two green house canopies in winter after employing native system.
In figure, 1. blower fan, 2. catch, 3. supervisor, 4. pipe laying in parallel, 5. soil layer, 6. maize straw, 7.PVC breather pipe, 8. induced duct.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.The present invention comprises the green house of south-north direction as depicted in figs. 1 and 2, in green house, southern side same plane is arranged side by side the supervisor 3 of 4-6 group perpendicular to ground, every group supervisor 3 between distance equate and distance be 8000-12000mm, being responsible for 3 upper end heads is the north orientation bend pipe near canopy inner top, another part pipeline of supervisor 3 is embedded in underground 450-490mm place and is parallel to ground and extends to edge, north side in green house, being responsible for 3 upper ends for every group is connected with induced duct 8 one end by blower fan 1 respectively, blower fan 1 adopts axial fan, parallel to the ground and the other end of every group of induced duct 8 stretches out green house outside southwards, be responsible on 3 heads and induced duct 8 and be respectively equipped with catch 2, circulation of air in can barrier tube when catch 2 is closed, by the switch of catch 2, can regulate respectively supervisor 3 and induced duct 8 to transmit temp. and humidity by air exchange, every group of supervisor 3 is embedded in underground part and is square crossing by pipe laying 4 in parallel and is communicated with and forms the in one plane trellis pipe network of pipeline communication, pipe laying 4 in parallel is provided with 16-20 root and every and is arranged in parallel, the thick maize straw 6 of 50-100mm is laid in pipe laying in parallel 4 tops, maize straw 6 top vertical direction are settled the parallel PVC breather pipe 7 of caliber 10-12mm, it is capable that the east-west parallel and underground supervisor of PVC breather pipe 7 lays 4-6, spacing 8000-12000mm, south-north direction 8-12 row, spacing 520-560mm, ground floor is led in PVC breather pipe 7 one end, the pvc pipe of all PVC breather pipes 7 use caliber 10-12mm of maize straw 6 tops is connected, formation is parallel to the latticed arrangement of maize straw 6, maize straw 6 tops are soil layer 5.Supervisor 3 adopts pvc pipe, caliber 300-350mm; Induced duct 8 adopts pvc pipe, caliber 300-350mm, induced duct 8 cross-section center points and ground distance 2000-2065mm; Pipe laying 4 in parallel adopts pvc pipe, caliber 50mm, tube pitch 340-380mm; The north side of PVC breather pipe 7 is apart from booth north 500mm; Soil layer 5 bottoms are divided into the layer that loosens the soil, and top is divided into plow layer.Supervisor 3 is 5 groups.
This system is mainly to utilize heat capacity that soil is huge and less thermal conductivity, and heat is upwards slowly transmitted from the higher underground of temperature, and thin solum temperature in booth is raise, and meets demand and the cold-hot air convection of crop root to ground temperature.In this system greenhouse, can settle 5 Fans 1, form the hot and cold air exchange convection current in above and below ground of " 3 inhale 2 row ", to regulate the required thermophilic humidity of crop growth.Winter, in the time that daytime, environmental temperature was higher, utilize air themperature in solar energy heating canopy, again certain heat is stored into underground by cross-ventilation and thermal conduction of soil, when night, environmental temperature was lower, the heat of the storage in soil is slowly discharged, improve in canopy at night in winter and the object of ground temperature temperature to reach.Be daytime temperature temperature of shed improve because of solar energy, when temperature reaches daytime when temperature peak, open blower fan 1 switch, wherein 3 Fans air draughts, carry out cold and hot air exchange in canopy and between soil, and certain heat is stored in soil by pipe laying 4 in parallel and thermal conduction of soil; Other 2 Fans 1 exchange the heat of another part in canopy and moisture and canopy outer air (depending on institute's required temp. and humidity of the crop of planting in warm canopy, can open or close catch 2 and exchange with adjusting temp. and humidity).Night is along with the reduction of environmental temperature, temperature of shed also decreases, at this moment, being stored in accumulation of heat in soil daytime is slowly discharged in canopy in soil and air by the ventilation hole of pipe laying 4 in parallel and PVC breather pipe 7, soil water storage is also evaporated simultaneously, increase canopy humidity at interior night, met crop to the gentle water demand over the ground of temp. and humidity and crop root in warm canopy.Summer is due to sun intense irradiation, temperature of shed in daytime higher (generally in the afternoon 1 point-3 between), open blower fan 1 switch, 3 Fans air draughts, carry out the convective exchange of soil and air in canopy, a certain amount of heat in soil is exchanged in canopy in environment by the ventilation hole of pipe laying 4 in parallel and PVC breather pipe 7; 2 Fans (exhaust) carry out the exchange of canopy inner air and outer air, be extracted into by heat certain in warm canopy and moisture outdoor, to reduce the temp. and humidity in temperature canopy in daytime in summer.The hot and cold air exchange convection current in above and below ground by " 3 suction 2 rows " has reduced ground temperature temperature and soil moisture in canopy in summer, has also reduced because injuring and the underproduction with the too high crops of causing of soil temperature and humidity in green house canopy simultaneously.At night, because having carried out air exchange in canopy daytime, the gentle temperature of shed in soil ground also has appropriateness to decline, and is more conducive to growing of crop.The maize straw 6 of provided underground plays and slows down the interior temperature rate of release of pipe laying 4 in parallel, thereby avoids crop root because of the too fast injury causing of temp. and humidity variation; Form " stalk buffer strip ", play the effect of insulation wet down; And soil is not easy by having peace of mind, and gas permeability is better, be very beneficial for growing of vegetable root system.
The present invention is take air as heat-carrying agent, and soil is heat storage medium, utilizes solar energy heating air daytime, underground hot-air suction, carries out heat exchange by underground piping and ventilation hole and soil by blower fan 1, heat is passed to soil and store.When daytime, temperature of shed was higher than planted crop temperature upper limit (generally in 14 point～16 exchanged heat about two hours), starting blower fan 1 makes air in canopy flow through the pipeline that wall temperature is lower, by heat convection, heat is stored in pipe soil around, and then reduces canopy temp. and humidity in interior daytime.In the time that nocturnal temperature is lower, in soil, accumulation of heat can be heated to air, and soil temperature height easily makes soil water storage evaporate, and then increases in canopy temp. and humidity at night.This regulating system has been utilized clean renewable solar energy as energy source and has been had larger heat capacity soil as heat storage medium; both combinations; both met plant growth demand; save to greatest extent again the energy and protection of the environment, also realized the economic goal that crop yield and quality further improve.Input cost of this technology is little, short construction period, and the time of being benefited is long, has obvious economic benefit and social benefit.
The present invention lays after maize straw 6 at underground pipe network, not only ground temperature can not raise rapidly because of the rising of outside air temperature, and can also keep soil moisture, makes it be unlikely to evaporate too fast, play the effect of cooling moisture-retaining, can also effectively prevent the weed growth in action row.In addition, in summer, under the environment of high temperature and drought, vegetable virus disease is easy to occur, and in action row, bedding crop maize straw 6 changes after the environmental condition of high temperature and drought in booth, can alleviate the generation of booth vegetable virus disease.
As can be seen from Figure 3, when summer environment temperature higher (daytime 15 be sampled point), the contrast canopy in temperature and humidity regulation canopy under the more same experimental condition of ground temperature temperature is low 2.09 ℃; When environmental temperature is lower (6 is sampled point), it is low 1.88 ℃ that temperature and humidity regulation canopy contrasts canopy ground temperature temperature.Illustrate, when summer environment temperature is higher, this system canopy has reduced ground temperature temperature.
As can be seen from Figure 4, when summer environment temperature higher (daytime 15 be sampled point), the contrast canopy under the more same experimental condition of temperature and humidity regulation temperature of shed is low 2.61 ℃; When environmental temperature is lower (6 is sampled point), it is low 1.39 ℃ that temperature and humidity regulation canopy contrasts canopy temperature.Illustrate, when summer environment temperature is higher, this system canopy has reduced air themperature in canopy, and daytime, effect was comparatively obvious, and change not obvious night.
As can be seen from Figure 5, when summer environment temperature higher (daytime 15 be sampled point), the contrast canopy in temperature and humidity regulation canopy under the more same experimental condition of humidity is low by 8.71%; When environmental temperature is lower (6 is sampled point), it is low by 8.04% that temperature and humidity regulation canopy contrasts canopy humidity.Illustrate, when summer environment temperature is higher, this system canopy has regulated the humidity in green house, has reduced air humidity in canopy.
As can be seen from Figure 6, when winter environment temperature is during for higher temperature between round the clock (daytime 15 be sampled point), the contrast canopy under the more same experimental condition of temperature and humidity regulation temperature of shed is low 1.15 ℃; When environmental temperature is lower (6 is sampled point), it is high 2.29 ℃ that temperature and humidity regulation canopy contrasts canopy temperature.Illustrate, when daytime in winter, environmental temperature was higher, this system canopy has reduced air themperature in canopy, changes not obvious; But when nocturnal temperature is lower, improve temperature of shed.
As can be seen from Figure 7, when winter environment temperature is during for higher temperature between round the clock (daytime 15 be sampled point), the contrast canopy in temperature and humidity regulation canopy under the more same experimental condition of ground temperature temperature is high 0.97 ℃; When environmental temperature is lower (6 is sampled point), it is high 2.28 ℃ that temperature and humidity regulation canopy contrasts canopy ground temperature temperature.Illustrate, when winter environment temperature is low, this system canopy ground temperature temperature that raise, but that change daytime is not obvious, has significantly improved ground temperature temperature night.
As can be seen from Figure 8, when winter environment temperature higher (daytime 15 be sampled point), the contrast canopy in temperature and humidity regulation canopy under the more same experimental condition of humidity is low by 2.85%; When environmental temperature is lower (6 is sampled point), it is high by 7.94% that temperature and humidity regulation canopy contrasts canopy humidity.Illustrate, winter environment temperature is low, and this system canopy has regulated the humidity in green house, has reduced air humidity daytime, has obviously improved air humidity in canopy night.
A kind of green house underground heat of the present invention temperature and humidity regulation system makes full use of and shines upon, and energy-saving and environmental protecting, can effectively improve green house crop yield, have obvious economic benefit and social benefit.Application by this technology in production practices, reduces the injury that crop is caused because of temp. and humidity discomfort, improves the output of crops.In addition, it is little that system is installed an input cost, short construction period, and the time of being benefited is long.Solar energy and the large green concept of soil thermal storage are organically combined and are applied in production practices, met the needs of plant growth, improve crop yield, increase peasant's economic well-being of workers and staff.Being suitable for vast rural area promotes.
Describe by specific embodiment below:
Embodiment 1: green house south-north direction, 7500mm long from south to north, the long 65000mm of thing.In green house, southern side same plane is arranged side by side 5 groups of supervisors 3, equidistant 1000mm between every group of supervisor 3, another part pipeline of supervisor 3 is embedded in underground 470mm place and is parallel to ground and extends to edge, north side in green house, being responsible for 3 upper ends for every group is connected with induced duct 8 one end by blower fan 1 respectively, parallel to the ground and the other end of every group of induced duct 8 stretches out green house outside southwards, on blower fan 1 top head on supervisor 3 and induced duct 8, be respectively equipped with catch 2, every group of supervisor 3 is embedded in underground part and is square crossing by pipe laying 4 in parallel and is communicated with and forms the in one plane trellis pipe network of pipeline communication, pipe laying 4 in parallel is provided with 18 and every and is arranged in parallel, the thick maize straw 6 of 80mm is laid in pipe laying in parallel 4 tops, maize straw 6 top vertical direction are settled the parallel PVC breather pipe 7 of caliber 10mm, east-west 6 row of PVC breather pipe 7, spacing 10000mm, south-north direction 12 is listed as, spacing 540mm, ground floor is led in PVC breather pipe 7 one end, the pvc pipe of all PVC breather pipes 7 use caliber 10mm of maize straw 6 tops is connected, formation is parallel to the latticed arrangement of maize straw 6, maize straw 6 tops are soil layer 5.Supervisor 3 adopts pvc pipe, caliber 300mm; Induced duct 8 adopts pvc pipe, caliber 300mm, induced duct 8 cross-section center points and ground distance 2000mm; Pipe laying 4 in parallel adopts pvc pipe, caliber 50mm, tube pitch 360mm; The north side of ventilating opening 7 is apart from booth north 500mm; Soil layer 5 bottoms are divided into the layer that loosens the soil, and top is divided into plow layer.Supervisor 3 is 5 groups.
Claims (3)
1. a green house underground heat temperature and humidity regulation system, it is characterized in that: the green house that comprises south-north direction, in green house, southern side same plane is arranged side by side the supervisor (3) of 4-6 group perpendicular to ground, between every group of supervisor (3) distance equate and distance be 8000-12000mm, supervisor (3) upper end head is the north orientation bend pipe near canopy inner top, another part pipeline of supervisor (3) is embedded in underground 450-490mm place and is parallel to ground and extends to edge, north side in green house, every group of supervisor (3) upper end is connected with induced duct (8) one end by blower fan (1) respectively, parallel to the ground and the other end of every group of induced duct (8) stretches out green house outside southwards, on supervisor's (3) head and induced duct (8), be respectively equipped with catch (2), circulation of air in can barrier tube when catch (2) is closed, every group of supervisor (3) is embedded in underground part and is square crossing by pipe laying in parallel (4) and is communicated with and forms the in one plane trellis pipe network of pipeline communication, pipe laying in parallel (4) is provided with 16-20 root and every and is arranged in parallel, the thick maize straw (6) of 50-100mm is laid in pipe laying in parallel (4) top, maize straw (6) top vertical direction is settled the parallel PVC breather pipe (7) of caliber 10-12mm, it is capable that the east-west parallel and underground supervisor of PVC breather pipe (7) lays 4-6, spacing 8000-12000mm, south-north direction 8-12 row, spacing 520-560mm, ground floor is led in PVC breather pipe (7) one end, all PVC breather pipes (7) of maize straw (6) top are connected with the pvc pipe of caliber 10-12mm, formation is parallel to the latticed arrangement of maize straw (6), maize straw (6) top is soil layer (5).
2. according to a kind of green house underground heat temperature and humidity regulation system described in claim 1, it is characterized in that: described supervisor (3) adopts pvc pipe, caliber 300-350mm; Described induced duct (8) adopts pvc pipe, caliber 300-350mm, induced duct (8) cross-section center point and ground distance 2000-2065mm; Described pipe laying in parallel (4) adopts pvc pipe, caliber 50mm, tube pitch 340-380mm; The north side of described PVC breather pipe (7) is apart from booth north 500mm; Described soil layer (5) bottom is divided into the layer that loosens the soil, and top is divided into plow layer.
3. according to a kind of green house underground heat temperature and humidity regulation system described in claim 1, it is characterized in that: described supervisor (3) is 5 groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410086052.5A CN103858709B (en) | 2014-03-11 | 2014-03-11 | Geothermal temperature humidity regulation system for greenhouse |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410086052.5A CN103858709B (en) | 2014-03-11 | 2014-03-11 | Geothermal temperature humidity regulation system for greenhouse |
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| CN103858709A true CN103858709A (en) | 2014-06-18 |
| CN103858709B CN103858709B (en) | 2017-05-17 |
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| CN201410086052.5A Expired - Fee Related CN103858709B (en) | 2014-03-11 | 2014-03-11 | Geothermal temperature humidity regulation system for greenhouse |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104396633A (en) * | 2014-12-11 | 2015-03-11 | 西北民族大学 | Geothermal temperature and humidity regulating device and method for greenhouse plowing layer |
| CN106888865A (en) * | 2017-04-19 | 2017-06-27 | 王承辉 | The heat produced using frequency converter or inverter carries out the device of warmhouse booth plantation |
| CN106919208A (en) * | 2017-05-08 | 2017-07-04 | 北京亚盛增光物理农业科技开发有限公司 | A kind of Physical Agriculture Based Intelligent Control Greenhouse System |
| CN107318526A (en) * | 2017-08-16 | 2017-11-07 | 内乡县中以高效农业科技开发有限公司 | One kind insulation, wind resistance green house of vegetables |
| CN109882920A (en) * | 2019-01-25 | 2019-06-14 | 黑龙江省农业科学院畜牧研究所 | Waste fermentation takes hot heating installation and application method |
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| CN106919208A (en) * | 2017-05-08 | 2017-07-04 | 北京亚盛增光物理农业科技开发有限公司 | A kind of Physical Agriculture Based Intelligent Control Greenhouse System |
| CN107318526A (en) * | 2017-08-16 | 2017-11-07 | 内乡县中以高效农业科技开发有限公司 | One kind insulation, wind resistance green house of vegetables |
| CN109882920A (en) * | 2019-01-25 | 2019-06-14 | 黑龙江省农业科学院畜牧研究所 | Waste fermentation takes hot heating installation and application method |
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