CN100348087C - Plant automatic constant temperature micro breeding device - Google Patents
Plant automatic constant temperature micro breeding device Download PDFInfo
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- CN100348087C CN100348087C CNB2004100666023A CN200410066602A CN100348087C CN 100348087 C CN100348087 C CN 100348087C CN B2004100666023 A CNB2004100666023 A CN B2004100666023A CN 200410066602 A CN200410066602 A CN 200410066602A CN 100348087 C CN100348087 C CN 100348087C
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Abstract
The present invention relates to an automatic constant-temperature micro breeding device for plants, which belongs to the field of agricultural machines. The automatic constant-temperature micro breeding device for plants comprises a water cooling temperature-lowering system, an automatic control system, an automatic light irradiation air-exhausting system, a plant growth promoting radial flow system and a common gas flow mixing system, wherein the automatic control system is connected with the water cooling temperature-lowering system through control lines; the water cooling temperature-lowering system is connected with an automatic temperature control device of the automatic control system, and the automatic control system is connected with the automatic illumination air-exhausting system through control lines; the automatic illumination air-exhausting system is connected with a culture vessel of the water cooling temperature-lowering system, and the plant growth promoting radial flow system and the common gas flow mixing system are connected with the automatic control system through the culture vessel of the water cooling temperature-lowering system. The micro breeding device can produce plants with a high added value by controlling the growth of plants and can produce a large number of high-quality plants within a short time. The micro breeding device enhances production rate and reduces management cost.
Description
Technical field
The present invention relates to a kind of plant propagation device, the plant automatic constant temperature micro breeding device of particularly a kind of water-cooled cooling system belongs to agricultural mechanical field.
Background technology
Conditions such as the light by the optimum plant strain growth is provided, temperature, water, gas, nutrition promote the photosynthesis of plant, at short notice, the low-cost quality plant seedling of breeding fast, it is applicable to the micropropagation of all plants.
In to the retrieval of prior art document Investigation, find, Chinese patent application number is: 02221205.1, patent application is artificial: Kunming City Environmental Science Inst., name is called: combined type plant light autotrophy tissue-culturing rapid propagation device, this technology readme is: this device is placed with culture vessel in each layer of culturing rack compartment, each culture vessel air inlet connects with air inlet pipe respectively, the air inlet pipe import connects with the disinfecting container outlet, the disinfecting container import connects with the flow-control plate exit, and the traffic controller import connects carbonic acid gas carbon source and air pump respectively; The power control box that can control light illumination in every layer of culture vessel is housed on the culturing rack, and each culture vessel air inlet place is connected to control valve; Air cleaner is equipped with in the air pressure pump turnover, and pulley is equipped with in the culturing rack bottom; The adjustable nut of giving vent to anger that is made of gland, filter membrane, connecting tube is equipped with at culture vessel venthole place; The disinfecting container bottom is connected to a transparent U-shaped pipe.
Above-mentioned technology is because long-time illumination, the photo-thermal amount that is produced can't in time discharge from culture vessel, cause the interior difference variation of culture vessel big, easily form water vapor condensation in the culture vessel, make the interior humidity of container excessive, cause plant to rot root, bad root, produce vitrifying seedling phenomenon, cause survival rate of plant low.Because the influence of the humidity factor of culture vessel makes container intraoral illumination circuit system have hidden danger, lifetime, the illumination cost increases.In addition, its temperature control is because the automation control of being unrealized was mainly regulated the management cost height in 24 hours by personnel.
Summary of the invention
The objective of the invention is to overcome deficiency of the prior art, a kind of plant automatic constant temperature micro breeding device is provided.Make it by thermostatic control, guaranteed the plant quality to greatest extent, effectively prevent the generation of glass seedling, overcome plant yellow, deformity and variation, the cooling energy consumption is significantly reduced, management cost is significantly reduced.
The present invention is achieved by the following technical solutions, the present invention includes: water-cooled cooling system, automation control system, illumination are from exhaust system, plant growth-promoting footpath streaming system, gas mixed flow general-purpose system, illumination is connected with automation control system by the automation temperature control equipment with the water-cooled cooling system from exhaust system, and the gentle body mixed flow of plant growth-promoting footpath streaming system general-purpose system is connected with automation control system by the culture vessel in the water-cooled cooling system.
Illumination has not only comprised illumination system from exhaust system, and has increased the forced-ventilated wind apparatus on the illumination system basis, the heat energy that rapid elimination illumination is produced.The water-cooled cooling system is a key member of the present invention, is temperature controlled cental system, and its cooling-down effect is obvious, and can realize thermostatic control.Plant growth-promoting footpath streaming system has " rank shape " design feature, can adapt to the growth demand of all kinds plant root.Gas mixed flow general-purpose system has adopted source of the gas automation air inlet control first, makes the source of the gas matched proportion density obtain best configuration, effectively reduces production cost.
The water-cooled cooling system comprises: culture vessel, cooling water tank, condenser pipe, refrigeration compressor, water-setting coldplate, water-flow circuit pipe.Its connected mode is: refrigeration compressor and cooling water tank join, cooling water tank and condenser pipe join, and condenser pipe and water-setting coldplate join, and water-setting coldplate and water-flow circuit pipe join, water-flow circuit pipe and cooling water tank join, and the water-setting coldplate is the zero clearance with the overflow frid and is connected.The water-setting coldplate is the zero clearance arrangement by several square condenser pipes parallel composition on same horizontal plane between the square condenser pipe, the water-setting coldplate is the zero clearance cocurrent and parallel with overflow frid in the culture vessel and is connected.
Illumination comprises from exhaust system: the linear fluorescent tube of plant, fan, reflected light plate, sealing lamp box.Its connected mode is: the linear fluorescent tube of plant joins with the sealing lamp box, and sealing lamp box and fan join, and reflected light plate is arranged at the seal lamps box top, and the linear fluorescent tube of plant is arranged at sealing lamp box inside.
Plant growth-promoting footpath streaming system: mozzle, overflow frid, overflow water pipe, short liquid closed circuit pipe, short liquid collection box, the immersible pump of giving birth to of giving birth to.Its connected mode is: mozzle and immersible pump join, immersible pump joins with the short liquid collection box of giving birth to, the short liquid collection box of giving birth to joins with the short liquid closed circuit pipe of giving birth to, urge to give birth to liquid closed circuit pipe and overflow water pipe and join, the below that overflows water pipe and overflow frid joins, mozzle and culture vessel join, and are positioned at overflow frid top, and the overflow frid is the zero clearance with the water-setting coldplate and is connected.The overflow frid is " rank shape " structure.
Gas mixed flow general-purpose system comprises: gas inlet pipe road, gas mixed flow interface, escape pipe, air pump, source of the gas, flowmeter several, its connected mode is: air pump and flowmeter join, ozone gas source and flowmeter join, and carbon source and flowmeter join, and each flowmeter joins with gas mixed flow interface respectively, gas mixed flow interface and gas inlet pipe road join, and gas inlet pipe road and escape pipe join.
Automation control system comprises: automation temperature control equipment, charging pump, automation Intaker controller, the short liquid systems of giving birth to of automation.Its connected mode is: automation temperature control equipment and charging pump join, and charging pump and cooling water tank join, and automation Intaker controller and air pump join, and short living liquid systems of automation and immersible pump join.
Operation principle of the present invention is as follows: automation control system is implemented monitoring by the automation temperature control equipment to the variations in temperature in the culture vessel, when the temperature in the culture vessel surpassed the temperature value of setting, automation control system started illumination from exhaust system and water-cooled cooling system.At first, the water-cooled cooling system strengthens the cooling water of refrigeration cooling water tank to starting refrigeration compressor, and cooling water is under the pressure effect of charging pump, enter the water-setting coldplate from condenser pipe, flow back to cooling water tank through the water-flow circuit pipe then, enter next cooling water circulation, go round and begin again.Simultaneously, illumination starts fan from exhaust system, and with the illumination heat energy that the linear fluorescent tube of plant is produced in the sealing lamp box, forced air is directly aspirated discharge with the speed of 3-5m/s.
Automation control system is to the CO in the culture vessel
2Concentration detects in real time, and automation Intaker controller control flowmeter is adjusted CO
2Concentration proportioning mixes by gas mixed flow interface, makes the CO in the culture vessel
2Concentration meets the demand of different plants the best.Enter culture vessel through the gas inlet pipe road from escape pipe through the mixed gas of proportioning.By the short liquid systems of giving birth to of automation control system control automation, the short living liquid systems control immersible pump of automation will be urged to give birth to liquid and will be pressed into the overflow frid through mozzle, the short liquid overflow frid of flowing through of giving birth to enters and overflows water pipe, again flow back to the short liquid collection box of giving birth to by the short liquid closed circuit pipe of giving birth to then, be pressed into mozzle through immersible pump again, circulation goes round and begins again.
Cooling water is the cooling medium of water-setting coldplate, and the condensing heat-exchange efficient of condenser pipe is 8-9 times of common light pipe.Condensed water passes through in square condenser pipe, and the water-setting coldplate that cooling water is formed via condenser pipe is taken away heat from the culture vessel high-temperature part, and the water-setting coldplate can absorb the heat energy that the overflow frid is produced rapidly.Simultaneously because the air contact-making surface in water-setting coldplate and the culture vessel is big, therefore be easy to regulate temperature in the culture vessel by cooling water, regulate the intensity of cooling of cooling water according to variation of temperature, everywhere heat absorption in the culture vessel can be discharged, the cooling water that absorbed heat energy is released its heat energy after the refrigeration compressor secondary refrigeration, flows into cooling water tank then, enter the next round cool cycles, thereby guarantee the temperature constant state in the culture vessel.
Because temperature is the major influence factors of plant growth rate in the culture vessel, when temperature raises, the growth rate of plant is obviously accelerated, after high temperature reaches certain limit, normal growth of plant and metabolism are produced harmful effect, promote that (vitrifying is a kind of disorder symptom of plant, when vegetable material carries out in-vitro propagate in vitrified generation, translucent and water stain shape can appear in the tender stem of some culture and blade, and this phenomenon promptly is called and is vitrifying.Vitrifying make plant strain growth slowly, reproduction coefficient descends.Present vitrified test-tube plantlet, its cauline leaf table does not have wax, and the polar compound level in the body is higher, and the cell retention ability is poor, can't normally transplant.)
If adopt air cooling way, cooling air is difficult to the directly interior overflow frid of cooling culture vessel, its reason is the cyclonic current that air cooling way produces, in culture vessel, there be " cyclone dead angle ", cause existing in the culture vessel local temperature difference, the temperature of different spaces is easy to cause the variation of plant strain growth owing to unbalanced.In addition, under same discharge capacity, because the restriction of thermic load, air-cooled have 2.5 unit difference with water-cooled compression ratio ε, the power difference that is brought is more than 15%, therefore the cooling effect of water-cooled is more air-cooled with the obvious advantage, and it has overcome traditional air cooling way inefficient weakness of lowering the temperature, and this also is the most fatal influence factor of plant training quality.
Moreover; water-cooled has also reduced the noise pollution of equipment; because air cooling way adopts fan exhaust can produce air vibration and produces noise pollution; and because water-cooling system adopts current dynamic formula refrigeration; noiselessness pollutes; be a kind of " quiet design " of science, can effectively reduce the noise pollution of Production Regional, greatly help the large-scale production engineering that plant is cultivated.
Because illumination system is the key factor of the temperature difference influence in the culture vessel, main heat in the culture vessel all comes from illumination system, it can make rapid rising of temperature in the culture vessel reach the limit high temperature of plant, thereby influences the activity of phytoenzyme, finally influences the photosynthetic rate of plant.Limit high temperature not only makes the respiratory rate of plant sharply rise, and chloroplast structure is destroyed, and the activity of cell degeneration and enzyme is damaged, high temperature also causes plant transpiration to be strengthened, dehydration is too much, and stomatal closure causes carbonic acid gas under-supply and reduce photosynthetic rate thus.The present invention adopts the design of illumination system forced-ventilated wind, can discharge culture vessel by fan rapidly to the heat that illumination system produced, the temperature effect factor that illumination system is produced reduces, improved the cooling efficient in the culture vessel effectively, saved the cooling cost, survival rate of plant is significantly improved.
The present invention takes unique design to the overflow frid, in each rank all by the water filling, there is not cavity to exist, and eddy with horizontal axis of formation between each rank corner and main flow, consistent near main flow place vortex direction of rotation with the main flow flow direction, in falling current and transition current, the water thigh that flows through the surface, rank directly impacts the horizontal surface on rank, form critical hydraulic jump with to falling current, make and place the plant seedling root on the overflow frid significantly to increase with the short liquid contact-making surface of giving birth to, this will effectively promote cell division, inducing embryoid body, the differentiation of root and the formation of indefinite bud are broken apical dominance and are formed the bud of growing thickly, and the aging that delays to organize also strengthens the synthetic of protein.The advantage of " rank shape " structure of overflow frid is, it can give plant and replenish sufficient and moisture or nutriment that exceed, not only help growing of plant, impel the plant quality to improve, and can not influence the gas permeability of plant root, can not cause the bad root phenomenon of plant, make plant reach best growing way, flourishing root system improves the survival rate of plant greatly, simultaneously, also economize on water and reduced labour cost, really accomplish science cultivation and nursing.
Automation control system has all carried out detail analysis to the required energy of plant, material, time and labour, by automation control to each system, reach best culture effect, realize the automation control that plant is cultivated, it makes the producers can be according to the order demand, making best production and the plan of utilization plant, is that the 21 century agricultural production does not have the discharging of environmental pollution and uses the desirable solution of the minimum energy.
The present invention has substantive distinguishing features and marked improvement, and the present invention has very big breakthrough at traditional plant plantation process aspect, and its superiority is: (1) is to environmental factor, for example: temperature, relative moisture, CO
2The velocity of liquid assets of concentration, PPF, photophase, intensity of illumination, air can be controlled fully, by the growth and the high plant of production added value of controlling plant.(2) be very easy to stop insect and germ to enter culturing room.(3) can produce at short notice a large amount of genetic identical, physiological property is consistent, normal high-quality plant grows.(4) anniversary provides best environmental condition for the g and D of plant.(5) cooling water and short living liquid can cycling and reutilizations.(6) plant is at the CO of dark respiration generation
2Also can be used for photosynthesis in the photophase by plant.(7) realize the automation control that plant is cultivated, improved productivity ratio, reduced management cost.
Description of drawings
Fig. 1 structural representation of the present invention
Embodiment
As shown in Figure 1, the present invention includes: water-cooled cooling system 1, automation control system 2, illumination is from exhaust system 3, plant growth-promoting footpath streaming system 4, gas mixed flow general-purpose system 5, its connected mode is: automation control system 2 joins by control line and water-cooled cooling system 1, automation temperature control equipment 28 on water-cooled cooling system 1 and the automation control system 2 joins, automation control system 2 joins from exhaust system 3 by control line and illumination, the culture vessel 6 of illumination in exhaust system 3 and water-cooled cooling system 1 joins, and plant growth-promoting footpath streaming system 4 is connected with automation control system 2 by the culture vessel in the water-cooled cooling system 16 with gas mixed flow general-purpose system 5.
Water-cooled cooling system 1 comprises: culture vessel 6, cooling water tank 7, condenser pipe 8, refrigeration compressor 9, water-setting coldplate 10, water-flow circuit pipe 11.Its connected mode is: refrigeration compressor 9 joins by condenser pipe 8 and cooling water tank 7, cooling water tank 7 joins with condenser pipe 8, condenser pipe 8 joins with water-setting coldplate 10, water-setting coldplate 10 joins with water-flow circuit pipe 11, water-flow circuit pipe 11 joins with cooling water tank 7, and water-setting coldplate 10 is the zero clearance with overflow frid 17 and is connected.
Culture vessel 6 is made with transparent material, and culture vessel 6 inside are provided with some overflow frids 17 from top to bottom, and escape pipe 24 places the middle part of overflow frid 17 and sealing lamp box 15, evenly is thick with the aperture of pinprick shape on the escape pipe 24.
Illumination comprises from exhaust system 3: the linear fluorescent tube 12 of plant, fan 13, reflected light plate 14, sealing lamp box 15.Its connected mode is: the linear fluorescent tube 12 of plant joins with sealing lamp box 15, and sealing lamp box 15 joins with fan 13, and reflected light plate 14 is arranged at sealing lamp box 15 tops, and the linear fluorescent tube 12 of plant is arranged at sealing lamp box 15 inside.
Plant growth-promoting footpath streaming system 4 comprises: mozzle 16, overflow frid 17, overflow water pipe 18, short liquid closed circuit pipe 19, short liquid collection box 20, the immersible pump 21 of giving birth to of giving birth to.Its connected mode is: mozzle 16 joins with immersible pump 21, immersible pump 21 joins with the short liquid collection box 20 of giving birth to, the short liquid collection box 20 of giving birth to joins with the short liquid closed circuit pipe 19 of giving birth to, urge to give birth to liquid closed circuit pipe 19 and overflow water pipe 18 and join, the below that overflows water pipe 18 and overflow frid 17 joins, mozzle 16 joins with culture vessel 6, is positioned at overflow frid 17 tops, and overflow frid 17 is the zero clearance with water-setting coldplate 10 and is connected.
Gas mixed flow general-purpose system 5 comprises: gas inlet pipe road 22, gas mixed flow interface 23, escape pipe 24, air pump 25, source of the gas 26, flowmeter 27 several, its connected mode is: air pump 25 joins with flowmeter 27, ozone gas source 26 is joined with flowmeter 27, and carbon source of the gas 26 joins with flowmeter 27, and each flowmeter 27 joins with gas mixed flow interface 23 respectively, gas mixed flow interface 23 joins with gas inlet pipe road 22, and gas inlet pipe road 22 joins with escape pipe 24.
Automation control system 2 comprises: automation temperature control equipment 28, charging pump 29, automation Intaker controller 30, the short liquid systems 31 of giving birth to of automation.Its connected mode is: automation temperature control equipment 28 joins with charging pump 29, charging pump 29 joins with condenser pipe 8, charging pump 29 places cooling water tank 7 inside, and automation Intaker controller 30 joins with air pump 25, and the short liquid systems 31 of giving birth to of automation joins with immersible pump 21.
Water-setting coldplate 10 is done cooling medium with cooling water, and water-setting coldplate 10 is the zero clearance arrangement by several square condenser pipes 8 parallel composition on same horizontal plane between the square condenser pipe 8.Water-setting coldplate 10 is the zero clearance cocurrent and parallel with overflow frid 17 in the culture vessel 6 and is connected, and is positioned at the below of overflow frid 17.
Claims (8)
1, a kind of plant automatic constant temperature micro breeding device, comprise: automation control system (2), illumination is from exhaust system (3), plant growth-promoting footpath streaming system (4), gas mixed flow general-purpose system (5), it is characterized in that, also comprise: water-cooled cooling system (1), automation control system (2) joins by control line and water-cooled cooling system (1), automation temperature control equipment (28) on water-cooled cooling system (1) and the automation control system (2) joins, automation control system (2) joins from exhaust system (3) by control line and illumination, the culture vessel (6) of illumination in exhaust system (3) and water-cooled cooling system (1) joins, and plant growth-promoting footpath streaming system (4) is connected with automation control system (2) by the culture vessel (6) in the water-cooled cooling system (1) with gas mixed flow general-purpose system (5);
Described water-cooled cooling system (1) comprising: culture vessel (6), cooling water tank (7), condenser pipe (8), refrigeration compressor (9), water-setting coldplate (10), water-flow circuit pipe (11), refrigeration compressor (9) joins by condenser pipe (8) and cooling water tank (7), cooling water tank (7) joins with condenser pipe (8), condenser pipe (8) joins with water-setting coldplate (10), water-setting coldplate (10) joins with water-flow circuit pipe (11), water-flow circuit pipe (11) joins with cooling water tank (7), and water-setting coldplate (10) is the zero clearance with overflow frid (17) and is connected;
Described automation control system (2) comprising: automation temperature control equipment (28), charging pump (29), automation Intaker controller (30), the short liquid systems (31) of giving birth to of automation, automation temperature control equipment (28) joins with charging pump (29), charging pump (29) joins with condenser pipe (8), charging pump (29) places cooling water tank 7 inside, automation Intaker controller (30) joins with air pump (25), and the short liquid systems (31) of giving birth to of automation joins with immersible pump (21).
2, plant automatic constant temperature micro breeding device according to claim 1, it is characterized in that, culture vessel (6) is made with transparent material, culture vessel (6) inside is provided with some overflow frids (17) from top to bottom, escape pipe (24) places overflow frid (17) and the middle part that seals lamp box (15), evenly is thick with the aperture of pinprick shape on the escape pipe (24).
3, plant automatic constant temperature micro breeding device according to claim 1, it is characterized in that, illumination comprising from exhaust system (3): the linear fluorescent tube (12) of plant, fan (13), reflected light plate (14), sealing lamp box (15), the linear fluorescent tube of plant (12) joins with sealing lamp box (15), sealing lamp box (15) joins with fan (13), reflected light plate (14) is arranged at sealing lamp box (15) top, and the linear fluorescent tube of plant (12) is arranged at sealing lamp box (15) inside.
4, plant automatic constant temperature micro breeding device according to claim 1, it is characterized in that, plant growth-promoting footpath streaming system (4) comprising: mozzle (16), overflow frid (17), overflow water pipe (18), the short liquid closed circuit pipe (19) of giving birth to, the short liquid collection box (20) of giving birth to, immersible pump (21), mozzle (16) joins with immersible pump (21), immersible pump (21) joins with the short liquid collection box (20) of giving birth to, the short liquid collection box (20) of giving birth to joins with the short liquid closed circuit pipe (19) of giving birth to, urge to give birth to liquid closed circuit pipe (19) and overflow water pipe (18) and join, the below that overflows water pipe (18) and overflow frid (17) joins, mozzle (16) joins with culture vessel (6), be positioned at overflow frid (17) top, overflow frid (17) is the zero clearance with water-setting coldplate (10) and is connected.
5, plant automatic constant temperature micro breeding device according to claim 1, it is characterized in that, gas mixed flow general-purpose system (5) comprising: gas inlet pipe road (22), gas mixed flow interface (23), escape pipe (24), air pump (25), source of the gas (26), flowmeter (27) several, air pump (25) joins with flowmeter (27), ozone gas source (26) is joined with flowmeter (27), carbon source of the gas (26) joins with flowmeter (27), each flowmeter (27) joins with gas mixed flow interface (23) respectively, gas mixed flow interface (23) joins with gas inlet pipe road (22), and gas inlet pipe road (22) join with escape pipe (24).
6, plant automatic constant temperature micro breeding device according to claim 1, it is characterized in that, water-setting coldplate (10) is done cooling medium with cooling water, water-setting coldplate (10) is walked abreast on same horizontal plane by several square condenser pipes (8) and forms, and is the zero clearance between the square condenser pipe (8) and arranges.
7, plant automatic constant temperature micro breeding device according to claim 1 is characterized in that, water-setting coldplate (10) is the zero clearance cocurrent and parallel with overflow frid (17) in the culture vessel (6) and is connected, and is positioned at the below of overflow frid (17).
8, according to claim 1 or 4 described plant automatic constant temperature micro breeding devices, it is characterized in that, overflow frid (17) is " rank shape " structure, high h=0.05mm～the 0.2mm in rank, overflow frid (17) is arranged at mozzle (16) below, culture vessel (6) in and the vertical angle on ground be θ=2.9 °.
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| CNB2004100666023A CN100348087C (en) | 2004-09-23 | 2004-09-23 | Plant automatic constant temperature micro breeding device |
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| CNB2004100666023A CN100348087C (en) | 2004-09-23 | 2004-09-23 | Plant automatic constant temperature micro breeding device |
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| CN100348087C true CN100348087C (en) | 2007-11-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012003750A1 (en) * | 2010-07-05 | 2012-01-12 | 北京中环易达设施园艺科技有限公司 | A micro-production system for vegetable |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100999710B (en) * | 2007-01-05 | 2011-04-27 | 福建农林大学 | Liquid phase light self-cultivating incubator |
| CN101530057B (en) * | 2008-03-14 | 2012-12-05 | 康泉生物科技股份有限公司 | Planting system and planting method for controlling temperature of vegetable root |
| CN105594341A (en) * | 2016-03-03 | 2016-05-25 | 杨志恒 | Flower seedling cultivation device |
| TWI602505B (en) * | 2017-02-03 | 2017-10-21 | Vertical coral breeding device | |
| CN107318626A (en) * | 2017-08-01 | 2017-11-07 | 深圳前海弘稼科技有限公司 | Nutrient solution cooling system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86210794U (en) * | 1986-12-31 | 1987-10-31 | 中国农业科学研究院蔬菜研究所 | Household cultivation apparatus with liquid-fertilizer feeding system |
| CN2368277Y (en) * | 1999-04-28 | 2000-03-15 | 姜德志 | Intellectual device for ecologic environment of plastic tunnel |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86210794U (en) * | 1986-12-31 | 1987-10-31 | 中国农业科学研究院蔬菜研究所 | Household cultivation apparatus with liquid-fertilizer feeding system |
| CN2368277Y (en) * | 1999-04-28 | 2000-03-15 | 姜德志 | Intellectual device for ecologic environment of plastic tunnel |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012003750A1 (en) * | 2010-07-05 | 2012-01-12 | 北京中环易达设施园艺科技有限公司 | A micro-production system for vegetable |
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