CN102246683B - Double pressure stabilizing hydrodynamic variable frequency automatic air adding and water supplying drip irrigation control system - Google Patents
Double pressure stabilizing hydrodynamic variable frequency automatic air adding and water supplying drip irrigation control system Download PDFInfo
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- CN102246683B CN102246683B CN201110139103.2A CN201110139103A CN102246683B CN 102246683 B CN102246683 B CN 102246683B CN 201110139103 A CN201110139103 A CN 201110139103A CN 102246683 B CN102246683 B CN 102246683B
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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
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
Abstract
The invention relates to a double pressure stabilizing hydrodynamic variable frequency automatic air adding and water supplying drip irrigation control system. The system is characterized in that the system is provided with an automatic pumping, air adding and water supplying device and a plurality of micro-pressure water and fertilizer drip irrigation devices installed in greenhouses; a Venturi oxygen adding device is connected on a water inlet pipe of a high-level water storage pressure stabilizing container in the water supplying device; the water outlet of the water storage pressure stabilizing container is connected to the water inlet of each micro-pressure water and fertilizer drip irrigation device via a water output pipe provided with a hydrodynamic micro-sense feedback device; an automatic water supply control device formed by a water controlling compound series electromagnetic floating water level sensor group, a transfinite water level sensor group and an on demand automatic pumping controller is arranged on the water supplying device and can automatically supply water and protect the pump and pipeline equipment according to the drip irrigation demands of the crops in the greenhouses; each micro-pressure water and fertilizer drip irrigation device comprises a secondary water storage pressure stabilizing tank with a fertilizer liquid barrel; and water outlet pipes of the pressure stabilizing tanks and fertilizer liquid outlet pipes of the fertilizer liquid barrels are connected with a water output pipe on the high-level water storage pressure stabilizing container to form water and fertilizer mixture output pipes leading to water and fertilizer drip irrigation branch pipes in the greenhouses.
Description
Technical field
The invention belongs to industrialized agriculture liquid manure supply arrangement technical field, relate to and a kind ofly can in time automatically for the minute-pressure liquid manure drip irrigation appliance in a plurality of temperature canopies, supply to add the bistable setting-out fertilizer drip irrigation control system of air water by drip-irrigation water multidate information feedback-induced.
Background technology
In recent years, industrialized agriculture is being widelyd popularize in all parts of the country, build green house and implement energy-conservation, economize on water, add fertile integrated drop irrigation, but be mostly that traditional approach supplies water, unparalleled voltage stabilizing, aerating, hydrodynamic(al) frequency conversion new method.In the more place of some green houses, adopt at present " electric power frequency-changing equipment " regulation and control to supply water; but in application process; user generally feels that simple of this VFC supplies water for drip irrigation; investment is large and installation is convenient not; it is by whole Irrigation Water start-stop pump whether in addition, exist while cutting off the water, can not meet some warm canopy crop need at any time drip-irrigation water, can not adapt to green house particularly middle-size and small-size green house adopt the shortcomings such as minute-pressure liquid manure drip irrigation requirement.
Summary of the invention
The problem that the object of the invention is to prior art to exist is solved, be based on national conditions, provide a kind of scientific and reasonable for structure, price is lower, easy for installation, safe and reliable, middle-size and small-size green house moving frequency conversion automatic air entraining supplying drip irrigation control system of applicable bistable setting-out all.
The technical solution adopting is for achieving the above object such: the moving frequency conversion automatic air entraining supplying drip irrigation control system of bistable setting-out providing has one through automatic pumping aerating water supply installation and the in-built minute-pressure liquid manure of the multi-section temperature canopy drip irrigation appliance of sensor guiding, wherein
Said automatic pumping aerating water supply installation is comprised of the water-feed with elevated storage pressurizing vessel (one-level pressure-stabilizing water supply device) and the automatic water supply control device being arranged on water-feed, the water inlet of elevated storage pressurizing vessel is communicated with water source by suction pump upper hose, the delivery port of elevated storage pressurizing vessel is connected to the filler pipe water inlet of each minute-pressure liquid manure drip irrigation appliance through the output water pipe of the micro-sense ultramagnifier of hydrodynamic(al) state is housed, at the top of suction pump upper hose, connect a venturi oxygenation apparatus is housed; automatic water supply control device by be arranged on the compound series connection electromagnetism of control water in elevated storage pressurizing vessel float level sensor group and transfinite level sensor group and be arranged on outside elevated storage pressurizing vessel one as required automatic pumping controller form, the unsteady level sensor group of the compound series connection electromagnetism of control water comprises upper level sensor and two single-sensors of lower level sensor that are located at respectively elevated storage pressurizing vessel upper and lower, the output of upper level sensor and lower level sensor is connected to the input control end of automatic pumping controller as required through sensor output line, the draw water power input of pump of the output control terminal of automatic pumping controller and water source connects as required, the level sensor group that transfinites comprises being separately positioned in elevated storage pressurizing vessel to be set restriction superelevation water level place and restriction superelevation level sensor and the restriction low water level sensor that limits low water level place is set, the output of restriction superelevation level sensor and restriction low water level sensor is connected to the audible-visual annunciator outside pressurizing vessel through sensor output line,
Said minute-pressure liquid manure drip irrigation appliance has one with the secondary water storage vacuum tank of filler pipe and outlet pipe, on secondary water storage vacuum tank, be provided with a solution bucket that goes out pipe with solution, the solution of secondary water storage vacuum tank outlet pipe and solution bucket goes out pipe and is connected with the output water pipe on elevated storage pressurizing vessel, form liquid manure mixing efferent duct, the output of liquid manure mixing efferent duct passes to the input of liquid manure drip irrigation arm in warm canopy.
The technology of the present invention solution is also: water-feed has one greater than or equal to the driven well room (or separately building water storage container support) of 3 meters, and elevated storage pressurizing vessel frame is contained in the top of driven well room; Elevated storage pressurizing vessel is water storage box, water tank or water tower etc.
The technology of the present invention solution is also: the venturi oxygenation apparatus that connects dress at the top of suction pump upper hose comprises that a middle part is with the water service pipe of convergent reducing trunnion, at the thinnest mouthful of place of water service pipe larynx neck, connect a T-shaped threeway air inlet pipe is housed, in the horizontal pipeline section of T-shaped threeway air inlet pipe both sides, mouth place respectively fills a magnetic valve, on one side magnetic valve outlet pipe, filter screen is housed, the entrance of opposite side magnetic valve is connected with the delivery outlet of small electric filling machine.。
The technology of the present invention solution is also: forms the compound series connection electromagnetism of control water and floats between two sensors of level sensor at a distance of 8～10cm, and between the setting position of two level sensors that transfinite.
In real work, by the compound series connection electromagnetism of control water, float level sensor group monitoring suction pump to elevated storage pressurizing vessel (water storage box, water tank or water tower etc.) add water, because causing sensor, water level fluctuation floats with ripple when preventing from drawing water, cause frequent switch, damage to pump, between two single-sensors that the compound series connection electromagnetism of control water floats in level sensor group, there is certain distance (8～10cm), Auto Power On pump when water level drops to low sensors in retaining pressurizing vessel, automatic shutdown pump when water level rises to high position sensor, can stably keep in retaining pressurizing vessel, often there is water, in the unsteady level sensor group of the compound series connection electromagnetism of this control water, also can prevent that high-speed switch pump from " water hammer " occurring, and destroys the phenomenon of pipeline, the sensor transfiniting in level sensor group is contained in the position of the setting restriction peak level of retaining pressurizing vessel, another sensor is positioned at the position that water pot is set lowest water level, and while breaking down as the unsteady level sensor group of the compound series connection electromagnetism of monitoring prompting control water, sounding and lighting alarm is used, the venturi oxygenation apparatus that suction pump upper hose top connects dress can add oxygen in retaining pressurizing vessel when drawing water downstream, the controller of automatic pumping as required of the present invention adopts 220V alternating current, through rectifying installation, is converted to direct current 12V and the unsteady level sensor group of electromagnetism UNICOM, by the dynamic micro-sense feedback information of water through automatic pumping controller driving switch pump, during work, with reference to pump power used, assemble corresponding constructional element of electrical apparatus (380V, 220V), by automatic pumping controller, carry out switch pump, realize elevated storage pressurizing vessel and keep often having water, elevated storage pressurizing vessel is by the minute-pressure liquid manure drip irrigation appliance UNICOM of water-supply-pipe and each warm canopy, the micro-sense ultramagnifier of hydrodynamic(al) state is housed on water-supply-pipe, the water of aerating micro-sense ultramagnifier of hydrodynamic(al) state on output water pipe press Irrigation Water situation to the minute-pressure liquid manure drip irrigation appliance of each warm canopy automatic water-supply as required, when irrigated area is not during water, in output water pipe, the flow direction of water produces fine motion, can fine motion induction be fed back to the unsteady level sensor group of the compound series connection electromagnetism of control water in retaining pressurizing vessel through the micro-sense ultramagnifier of hydrodynamic(al) state, can draw water by autostop, Auto Power On again during Irrigation Water, without pipe network energy dissipating pressure regulation, also separately not adding other fertilising arranges, can reach minute-pressure and add liquid fertilizer, directly apply low pressure irrigate band (pipe), be easy to realize energy-conservation, water saving, joint money water-fertilizer integral drip irrigation.The device reaction that experiment showed, the unsteady level sensor group of the compound series connection electromagnetism of employing control water is sensitive, and the dynamic micro-sense feedback information automatic water-supply of water is controlled reliable, easy to operate, the random water of the system that is beneficial to, and warm canopy drip irrigation arm first and last end liquid manure is even.
Compared with prior art, beneficial effect of the present invention is as described below.
1, save investment: system of the present invention is lower as the cost of drip irrigation automatic water-supply merely than simple electric power frequency-changing equipment, but there is the constant voltage basic function with electric power frequency-changing equipment.
2, easy for installation, the saving energy: can install retaining pressurizing vessel at three meters of high driven well room tops or on three meters of high trestles, not need to draw water with high-power, high-lift pump, can meet low pressure liquid manure drip irrigation, can save the energy again.
3, automatic pumping as required, meets the warm canopy Different Crop needs of drip-irrigation water at any time, during water, does not keep Water in Water Tank full, and automatic shutdown pump, can be as existing electric power frequency-changing equipment, and how many system waters all needs the pump of often starting shooting.
4, regulate and control easy, sensing safety: the design science of special level sensor group is reasonable, low-voltage signal transmission, is provided with waterproof wave interference district, can prevent that frequent start and high-speed switch from producing " water hammer " and destroying pipeline, the equipment such as favourable protection pump, pipeline.
5, the venturi oxygenation apparatus of installing at suction pump upper hose place, retaining pressurizing vessel top, utilize venturi oxygenation apparatus trunnion place negative pressure, automatically or by small electric filling machine oxygen, efficiency is high, can directly make to add air water and hold in pressurizing vessel, for applying at random in drip irrigation district, and utilize aerating liquid manure drip irrigation, energy conditioned soil Reel structure, is more conducive to promote crop to improve output and quality.
6, by the micro-sense ultramagnifier of the hydrodynamic(al) state of actual conditions of irrigation area water dynamical feedback, be transferred to the unsteady level sensor group of the compound series connection electromagnetism of control water, guiding automatic switch pump, meet each warm canopy Different Crop water needs at any time, holding into pressurizing vessel water and the completely rear automatic shutdown pump of each warm canopy ' secondary voltage stabilizing ' drip irrigation appliance water of maintenance ' one-level voltage stabilizing ', again can Auto Power On during Irrigation Water, reach bistable and press, can be not again as electric power frequency-changing equipment in the past, do not supply water and occur system water how much all need often the to start shooting situation of pump.
7, regulate and control easy, sensing is safe and reliable: special knockdown two groups of level sensor design sciences are reasonable; use low-voltage signal transmission; being provided with (approximately 10 centimetres) anti-water level fluctuation disturbs; the frequent start of prevention and high-speed switch produce " water hammer "; be conducive to protect pump, pipe-line equipment, so also form a whole set of drip irrigation minute-pressure with function is many, application facilitates advantage " bistable pressure, aerating, hydrodynamic energy-saving, control automatically " and add fertile water system.
8, minute-pressure liquid manure drip irrigation appliance is housed in warm canopy, can automatically regulate and store the water yield, stablize hydraulic pressure, for random water, be conducive to improve drip irrigation quality, adapt to and advocate now energy-conservation, low pressure, liquid manure drip irrigation, realize country to the integrated requirement of liquid manure drip irrigation, be conducive to promote volume increase.
Accompanying drawing explanation
Fig. 1 is the structural representation of a specific embodiment of the present invention.
Fig. 2 is the structural representation of automatic water supply device part of the present invention.
In accompanying drawing, the title of each label is respectively: the unsteady level sensor group of the compound series connection electromagnetism of 1-control water, the upper level sensor of 1a-, level sensor under 1b-, the 2-level sensor group that transfinites, 2a-restriction superelevation level sensor, 2b-limits low water level sensor, the micro-sense ultramagnifier of 3-hydrodynamic(al) state, 4-venturi oxygenation apparatus, 5-magnetic valve, 6-small-sized electric filling machine, the automatic air-breathing mouth of pipe of 7-, 8-is automatic pumping controller as required, 9-audible-visual annunciator, 10-sensor output line, 11-pump connects AC power cord (380V or 220V with controller, fixed depending on pump power), 12-exports water pipe, 13-suction pump upper hose, the 14-pump that draws water at water source, 15-elevated storage pressurizing vessel, 16-water-supply-pipe, 17-driven well room (or tank bracket), 18-filler pipe, 19-secondary water storage vacuum tank, 20-solution bucket, 21-adjusts fertile control valve, 22-liquid manure mixing efferent duct, liquid manure drip irrigation arm in 23-temperature canopy.
Embodiment
Below with reference to accompanying drawing, content of the present invention is described further, but specific embodiment of the invention form is not limited in following embodiment.
Referring to accompanying drawing, the moving frequency conversion automatic air entraining supplying drip irrigation control system of bistable setting-out of the present invention is comprised of automatic pumping aerating water supply installation and the in-built minute-pressure liquid manure of multi-section temperature canopy drip irrigation appliance.Automatic pumping aerating water supply installation comprises water-feed and is arranged at the automatic water supply control device two parts on water-feed.Water-feed wherein has one and is located near the driven well room 17 of motor-pumped well (water source) high 3 meters above (containing 3 meters) or separately builds the tank bracket higher than 3 meters, on driven well room 17, install elevated storage pressurizing vessel 15 (water tank, water pot etc.), the water inlet of elevated storage pressurizing vessel 15 is communicated with water source by suction pump upper hose 13, the delivery port output water pipe 12 of elevated storage pressurizing vessel 15 is connected to the filler pipe water inlet of each minute-pressure liquid manure drip irrigation appliance, at the top of suction pump upper hose 13, connects a venturi oxygenation apparatus 4 is housed.Venturi oxygenation apparatus 4 comprises that a middle part is with the water service pipe of convergent reducing trunnion, at the thinnest mouthful of place of water service pipe larynx neck, connect a T-shaped threeway air inlet pipe is housed, in the horizontal pipeline section of T-shaped threeway air inlet pipe both sides, mouth place respectively fills a magnetic valve 5, the automatic air-breathing mouth of pipe 7 that filter screen forms natural inflow mouth is equipped with in one side magnetic valve input port, the input port of opposite side magnetic valve is connected with the delivery outlet of small-sized electric filling machine 6, be used as to promote inflation, motor switch in the operating rooms such as visual irrigated area soil property, water are dynamic, and then regulation and control magnetic valve 5 transformation applications.Automatic water supply control device by control the compound series connection electromagnetism of water float level sensor group 1, the level sensor group 2 that transfinites, the member such as automatic pumping controller 8, audible-visual annunciator 9 forms as required.The upper level sensor 1a and the lower level sensor 1b that form the unsteady level sensor group 1 of the compound series connection electromagnetism of control water are housed in the appropriate position of retaining pressurizing vessel 15 internal upper parts, with sensor output line 10 and automatic pumping controller 8 UNICOMs as required, through power transfer member (selected depending on power of motor), by pump, connected AC power cord 11 with controller and connect with pump.The instruction of sending switch pump by upper level sensor 1a and lower level sensor 1b in work, when warm canopy dripping irrigation water, the interior water level of retaining pressurizing vessel 15 declines, by the micro-sense ultramagnifier of hydrodynamic(al) state according to micro-sense signal feedback to fluctuation of water table situation in container, then by the unsteady level sensor group 1 of the compound series connection electromagnetism of control water, according to feedback information, start automatic pumping controller 8 as required and start pump, through suction pump upper hose 13, add water to elevated storage pressurizing vessel (one-level pressurizing vessel) 15, in maintenance elevated storage pressurizing vessel 15 that so can be stable, often have water.Restriction superelevation level sensor 2a and the restriction low water level sensor 2b that forms the level sensor group 2 that transfinites is equipped with respectively in appropriate position in elevated storage pressurizing vessel 15, this level sensor group that transfinites, mainly as sounding and lighting alarm, can be monitored the fault of the unsteady level sensor group 1 of the compound series connection electromagnetism of control water.At elevated storage pressurizing vessel 15, to the output water pipe 12 of each minute-pressure liquid manure drip irrigation appliance, the micro-sense ultramagnifier 3 of hydrodynamic(al) state is housed in addition; the water of aerating through the micro-sense ultramagnifier of hydrodynamic(al) state 3 by dripping Irrigation Water situation to the minute-pressure liquid manure drip irrigation appliance of each warm canopy automatic water-supply as required; when irrigated area is not during water; in output water pipe 12, the flow direction of water produces fine motion; can fine motion induction be fed back to the unsteady level sensor group 1 of the compound series connection electromagnetism of control water in elevated storage pressurizing vessel 15 through the micro-sense ultramagnifier 3 of hydrodynamic(al) state; can autostop draw water, Auto Power On again during Irrigation Water.In practical application structure, the micro-sense ultramagnifier 3 of hydrodynamic(al) state can adopt the unsteady flow leaf valve according to ball-and-seat principle.
Minute-pressure liquid manure drip irrigation appliance has one with the secondary water storage vacuum tank 19 of filler pipe 18 and outlet pipe, on secondary water storage vacuum tank 19, be provided with one with the solution bucket 20 of solution efferent duct, the solution of secondary water storage vacuum tank 19 outlet pipes and solution bucket 20 goes out pipe and is connected with the output water pipe on elevated storage pressurizing vessel, form liquid manure mixing efferent duct 22, the output of liquid manure mixing efferent duct 22 passes to the input of liquid manure drip irrigation arm 23 in warm canopy.When carrying out warm canopy drip-irrigation water, the water in elevated storage pressurizing vessel 15 supplies water to the in-built minute-pressure liquid manure of each warm canopy drip irrigation control device by water-supply-pipe 16 through filler pipe 18 at any time; While needing liquid manure drip irrigation, can give liquid fertilizer bucket 20 with solution, then by adjusting fertile control valve 21 output solutions, solution and water liquid, after liquid manure mixings efferent duct 22 mixes, then are carried mixing liquid manure to drip irrigation arm 23, carry out drip irrigation; While not needing to add fertilizer, close and adjust fertile control valve 21, only use the clear water drip irrigation of minute-pressure drip irrigation control device.By above program, automatically and continuously supply water to the minute-pressure liquid manure drip irrigation control device in a plurality of temperature canopies simultaneously.
Claims (5)
1. the moving frequency conversion automatic air entraining supplying drip irrigation control system of bistable setting-out, is characterized in that: it has one through automatic pumping aerating water supply installation and the in-built minute-pressure liquid manure of the multi-section temperature canopy drip irrigation appliance of sensor guiding,
Automatic pumping aerating water supply installation is comprised of the water-feed with elevated storage pressurizing vessel (15) and the automatic water supply control device being arranged on water-feed, the water inlet of elevated storage pressurizing vessel (15) is communicated with water source by suction pump upper hose (13), the delivery port of elevated storage pressurizing vessel (15) is connected to the filler pipe water inlet of each minute-pressure liquid manure drip irrigation appliance through the output water pipe (12) of the micro-sense ultramagnifier of hydrodynamic(al) state (3) is housed, at the top of suction pump upper hose (13), connect a venturi oxygenation apparatus (4) is housed; automatic water supply control device by be arranged on the compound series connection electromagnetism of control water in elevated storage pressurizing vessel (15) float level sensor group (1) and transfinite level sensor group (2) and be arranged on elevated storage pressurizing vessel (15) outward as required automatic pumping controller (8) form, the unsteady level sensor group (1) of the compound series connection electromagnetism of control water comprises upper level sensor (1a) and two single-sensors of lower level sensor (1b) that are located at respectively elevated storage pressurizing vessel (15) upper and lower, the output of upper level sensor (1a) and lower level sensor (1b) is connected to the input control end of automatic pumping controller (8) as required through sensor output line (10), the draw water power input of pump (14) of the output control terminal of automatic pumping controller (8) and water source connects as required, the level sensor group that transfinites (2) comprises being separately positioned in elevated storage pressurizing vessel (15) to be set restriction superelevation water level place and restriction superelevation level sensor (2a) and the restriction low water level sensor (2b) that limits low water level place is set, the output of restriction superelevation level sensor (2a) and restriction low water level sensor (2b) is connected to the audible-visual annunciator (9) outside pressurizing vessel through sensor output line (10),
Minute-pressure liquid manure drip irrigation appliance has the secondary water storage vacuum tank (19) of a band filler pipe (18) and outlet pipe, on secondary water storage vacuum tank (19), be provided with a solution bucket (20) that goes out pipe with solution, the solution of secondary water storage vacuum tank (19) outlet pipe and solution bucket (20) goes out pipe and is connected with the output water pipe on elevated storage pressurizing vessel (15), form liquid manure mixing efferent duct (22), the output of liquid manure mixing efferent duct (22) passes to the input of liquid manure drip irrigation arm (23) in warm canopy.
2. bistable setting-out according to claim 1 moves frequency conversion automatic air entraining supplying drip irrigation control system, it is characterized in that: water-feed has one greater than or equal to the driven well room (17) of 3 meters, and elevated storage pressurizing vessel (15) frame is contained in the top of driven well room (17).
3. the moving frequency conversion automatic air entraining supplying drip irrigation control system of bistable setting-out according to claim 1 and 2, is characterized in that: elevated storage pressurizing vessel (15) is water storage box, water tank or water tower.
4. bistable setting-out according to claim 1 moves frequency conversion automatic air entraining supplying drip irrigation control system, it is characterized in that: the venturi oxygenation apparatus (4) that connects dress at the top of suction pump upper hose (13) comprises that a middle part is with the water service pipe of convergent reducing trunnion, at the thinnest mouthful of place of water service pipe larynx neck, connect a T-shaped threeway air inlet pipe is housed, in the horizontal pipeline section of T-shaped threeway air inlet pipe both sides, mouth place respectively fills a magnetic valve, on one side magnetic valve outlet pipe, filter screen is housed, the entrance of opposite side magnetic valve is connected with the delivery outlet of small electric filling machine.
5. bistable setting-out according to claim 1 moves frequency conversion automatic air entraining supplying drip irrigation control system, it is characterized in that: form the compound series connection electromagnetism of control water and float between two sensors (1a, 1b) of level sensor group (1) at a distance of 8～10cm, and be positioned between the setting position of two level sensors that transfinite (2a, 2b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110139103.2A CN102246683B (en) | 2011-05-26 | 2011-05-26 | Double pressure stabilizing hydrodynamic variable frequency automatic air adding and water supplying drip irrigation control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110139103.2A CN102246683B (en) | 2011-05-26 | 2011-05-26 | Double pressure stabilizing hydrodynamic variable frequency automatic air adding and water supplying drip irrigation control system |
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| CN102246683A CN102246683A (en) | 2011-11-23 |
| CN102246683B true CN102246683B (en) | 2014-04-09 |
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| CN201110139103.2A Expired - Fee Related CN102246683B (en) | 2011-05-26 | 2011-05-26 | Double pressure stabilizing hydrodynamic variable frequency automatic air adding and water supplying drip irrigation control system |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104303676A (en) * | 2014-10-23 | 2015-01-28 | 济南盛兴童硕果蔬有限公司 | Elevated fertilizer diluting pool |
| CN105103764A (en) * | 2015-10-15 | 2015-12-02 | 河北润农节水科技股份有限公司 | Intelligent drip irrigation control system |
| CN109349020A (en) * | 2018-10-16 | 2019-02-19 | 张古权 | A kind of greenhouse gardening method of the tomato based on aerating |
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| CN1430876A (en) * | 2003-02-21 | 2003-07-23 | 天津市水利科学研究所 | Intellient control system for fertilization with mode of drop irrigation in greenhouse |
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| CN102246683A (en) | 2011-11-23 |
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