CN106508508A - Greenhouse-planting water-and-fertilizer-integration cluster irrigation system and method - Google Patents

Greenhouse-planting water-and-fertilizer-integration cluster irrigation system and method Download PDF

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Publication number
CN106508508A
CN106508508A CN201610967136.9A CN201610967136A CN106508508A CN 106508508 A CN106508508 A CN 106508508A CN 201610967136 A CN201610967136 A CN 201610967136A CN 106508508 A CN106508508 A CN 106508508A
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CN
China
Prior art keywords
fertilizer
irrigation
mixed
feed liquid
subsystem
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CN201610967136.9A
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Chinese (zh)
Inventor
丁小明
尹义蕾
李恺
潘守江
张学军
姚彤宝
李邵
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Chinese Academy of Agricultural Engineering CAAE
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Chinese Academy of Agricultural Engineering CAAE
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Priority to CN201610967136.9A priority Critical patent/CN106508508A/en
Publication of CN106508508A publication Critical patent/CN106508508A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C23/00Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks, sprinkling wagons
    • A01C23/04Distributing under pressure; Distributing mud; Adaptation of watering systems for fertilising-liquids
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G25/00Watering gardens, fields, sports grounds or the like
    • A01G25/16Control of watering
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/24Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
    • A01G9/247Watering arrangements
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/25Greenhouse technology, e.g. cooling systems therefor
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/20Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
    • Y02P60/21Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures

Abstract

The invention provides a greenhouse-planting water-and-fertilizer irrigation system and method. The irrigation system comprises a fertilizer preparing feeding subsystem, an irrigation control subsystem and a fertilizer transferring subsystem. The fertilizer preparing feeding subsystem is respectively provided with a fertilizer-liquid input pipe and a clear-water input pipe, and therefore mixed fertilizer liquid with the required concentration is prepared in real time; different irrigation lines and different irrigation devices are flexibly arranged in the fertilizer transferring subsystem, and all the planting areas are covered with the irrigation system; the irrigation control subsystem controls switching sequences between the different irrigation lines and/or the different irrigation devices of the fertilizer transferring subsystem, irrigation work of different planting compartments and multiple different plants is applied, and irrigation work of multiple varieties, the multiple planting compartments and multiple kinds of greenhouse planting is completed. The irrigation system and method are low in investment, easy to operate and high in applicability, and the irrigation efficiency of plants can be effectively improved.

Description

A kind of chamber planting water-fertilizer integral cluster irrigation system and its irrigation method
Technical field
The present invention relates to greenhouse water and fertilizer irrigation technical field, more particularly, to a kind of chamber planting water-fertilizer integral collection Group's irrigation system and its irrigation method.
Background technology
China is chemical fertilizer production and uses big country, and the country that water resource is highly in short supply.It is higher with added values such as vegetables Garden crop water and fertilizer utilization it is relatively low, excessive fertilization, heavy irrigation are even more commonplace, cause agriculture production cost progressively to increase Plus, agroecological environment constantly deteriorates, and victual is on the hazard safely.
Currently, the management body generally existing long-term cropping kind in China greenhouse, planting regionalization, planting greenhouse number all compared with Many phenomenons.During water and fertilizer irrigation, need according to actual irrigation demand real-time regulation liquid manure concentration, such as Application No. The Chinese invention patent of CN201310552907.4 discloses a kind of precision irrigation fertilization system.
Shown in Figure 1, the system arranges blending tank 8, and the nutritional solution in original fluid container 3 is introduced in blending tank 8, in original PH meter 5, EC meter 6 and two way valve 7 is set gradually between flow container 3 and blending tank 8, and detection is transported to the nutrition in blending tank 8 Whether the concentration of liquid meets requirement, and undesirable nutritional solution Jing two way valves 7 are discharged, separately dealt with, satisfactory battalion Nutrient solution Jing two way valve 7 is entered in blending tank 8, and then Jing water pumps 10 enter irrigation controller and perform irrigation operation.
The Irrigation and fertilization system can accurately detect and control to carry out the liquid manure concentration of irrigation operation, but the tune of liquid manure concentration Section also needs to the cooperation of other auxiliary equipment and can just complete, also, when the liquid manure concentration for needing conversion to irrigate, follow-up irrigation Operation must stop, and when waiting the nutrient solution concentration in blending tank 8 to meet the requirements, can just restart irrigation operation.
Meanwhile, when cultivated area is larger, crop varieties are more, some current automatic water-fertilizer integrated equipment is also difficult To adapt to the irrigation demand of large area, various different long-term croppings.Also, expensive, general operator is difficult to bear configuration The high cost of multiple devices.
The content of the invention
For overcoming the problems referred to above or solving the above problems at least in part, a kind of automatic irrigation fertilising of present invention offer, And realize many planting areas, the chamber planting water and fertilizer irrigation system of many crop varieties and irrigation method.
According to an aspect of the present invention, there is provided a kind of chamber planting water and fertilizer irrigation system, which includes:Introduce fertilizer solution And/or clear water prepares supply subsystem with the fertilizer for preparing and exporting the mixed fertilizer feed liquid with specific EC values and pH value in real time, And control the irrigation control subsystem that the fertilizer prepares the mixed fertilizer feed liquid of supply subsystem output into specific planting area System.
Fertilizer prepares supply subsystem according to the irrigation conditions of crop, can real-time adjustment prepare the specific EC values of tool with The mixed fertilizer feed liquid of pH value, to meet the Different Irrigation demand between large area crop-planting or Different Crop, regulative mode flexibly, It is easily achieved.
According to an aspect of the present invention, there is provided a kind of chamber planting water and fertilizer irrigation method, its specific irrigation method is such as Under:
S1, pass through fertilizer solution intake line and clear water intake line respectively fertilizer and/or clear water are introduced into mixed flow container (9) In, obtain mixed fertilizer feed liquid;
S2, the EC values for counting the mixed fertilizer feed liquid that (13) and pH meter (14) are detected according to EC and pH value and setting value are compared Compared with result, regulation is introduced into mix flow container (9) in fertilizer and/or water amount, so as to adjust EC values and the pH value of mixed fertilizer feed liquid Reach setting value;
S3, by fertilizer solution output pipe by the mixed fertilizer feed liquid for reaching setting value in mixed flow container (9) export to irrigate control Subsystem;
S4, the opened/closed state by controlling irrigation electromagnetic valve, control mixed fertilizer feed liquid enter fertilizer and shift subsystem System, irrigates a kind of planting area of crop;
S5, complete a kind of irrigation of crop after, the EC values of mixed fertilizer feed liquid and pH value in the mixed flow container (9) of adjustment, switching are defeated Circuit is filled, repeat step S4 irrigates the planting area of another crop.
According to Different Crop, Different Irrigation condition, supply subsystem preparation mixed fertilizer feed liquid is prepared fertilizer is not stopped In the case of, the defeated filling circuit of irrigation operation is carried out in switching fertilizer transfer subsystem, so as to continuously perform different planting areas, no With the irrigation operation of crop.
Beneficial effects of the present invention are as follows:
(1) fertilizer prepares supply subsystem and arranges EC meters and pH meter, and the EC values and pH value of mixed fertilizer feed liquid are monitored, Suitable mixed fertilizer feed liquid is prepared according to the irrigation demand of crop;
(2) irrigation control subsystem arranges multiple irrigation electromagnetic valves, is easy to switching to irrigate pipeline, it is to avoid fertilizer prepares supply The frequent start-stop of subsystem causes the fluctuation of mixed fertilizer feed concentration, so as to affect plant growth;
(3) the defeated filling circuit of fertilizer transfer subsystem arranges multiple defeated filling devices, identical EC values and the fertilizer solution of pH value The planting area of identical irrigation conditions is gradually transferred to, the fluctuation of fertilizer solution concentration (EC values and pH value) is reduced to greatest extent, is had Effect improves utilization rate of fertilizer, improves plantation income.
(4) fertilizer transfer subsystem arranges a plurality of defeated filling circuit, by switching different defeated filling devices or defeated filling circuit, uses A set of irrigation system device i.e. achievable multi items, many planting regionalizations, the water and fertilizer irrigation of many chamber planting numbers, simple to operate, Water-fertilizer integral equipment investment is greatly reduced, practical;
(5) irrigation system simple structure, and can flexibly change the structure of irrigation system according to irrigation conditions.
Description of the drawings
Schematic diagrams of the Fig. 1 for a kind of precision irrigation fertilization system of prior art;
Fig. 2 is the schematic diagram for planting water and fertilizer irrigation system according to embodiment of the present invention medium temperature chamber.
Specific embodiment
With reference to the accompanying drawings and examples, the specific embodiment of the present invention is described in further detail.Hereinafter implement Example is for illustrating the present invention, but is not limited to the scope of the present invention.
Shown in Figure 2, a kind of chamber planting water and fertilizer irrigation system prepares supply subsystem and irrigation control including fertilizer Subsystem.Fertilizer prepares supply subsystem and prepares by introducing fertilizer solution and/or clear water respectively, in real time with difference EC values and pH The mixed fertilizer feed liquid of value, regulative mode are flexible, strong applicability;Irrigation control subsystem controls fertilizer prepares supply subsystem and prepares Mixed fertilizer feed liquid enter the planting area specified or irrigated area performs irrigation operation, accurately can implement to specific plantation Region or the irrigation of crop.
Fertilizer prepares supply subsystem includes fertilizer solution intake line, clear water intake line and fertilizer solution output pipe, fertilizer Feed liquid intake line and clear water intake line are connected with fertilizer solution output pipe respectively, and fertilizer solution intake line is exported with fertilizer solution Fertilizer solution detection feedback regulation pipeline is set between pipeline.
Fertilizer solution intake line includes mother liquor tank 1 and venturi fertilzer sucking pipe 6, and it is defeated that venturi fertilzer sucking pipe 6 is connected to fertilizer solution Go out pipeline, between the mother liquor tank 1 and venturi fertilzer sucking pipe 6 of fertilizer solution intake line, be sequentially provided with y-type filter 2, float-type Meter 3, fertilizer flow control valve 4 and fertilizer solution break-make electromagnetic valve 5.
The fertilizer solution that y-type filter is flowed through in filtering fertilizer solution intake line, to prevent fertilizer solution from flowing through fertilizer solution input There is obstruction during pipeline.The uninterrupted of the fertilizer solution flowed through in the metering fertilizer solution intake line of suspended body flowmeter 3, to supervise in real time The consumption size of control fertilizer solution.Fertilizer flow control valve 4 adjusts the uninterrupted of fertilizer solution in fertilizer solution intake line.Fertilizer solution Break-make electromagnetic valve 5 by time for controlling which and opening/close, to adjust the big of the amount of fertilizer solution in fertilizer solution intake line of flowing through Little, the fertilizer solution in mother liquor tank 1 is suctioned out by venturi fertilzer sucking pipe 6, to prepare the mixed fertilizer feed liquid of variable concentrations.
Fertilizer prepares supply subsystem and includes at least a set of fertilizer solution intake line, covers fertilizer solution intake line more and sets side by side Put.According to the size of planting area, the demand of fertilizer solution and irrigation conditions irrigated, it is defeated that one or more sets fertilizer solutions are rationally set Enter pipeline.
Clear water intake line is sequentially provided with liquidometer 8 on input water source flow control valve 7 and input water source.Input water source stream Adjustable valve 7 adjusts the amount of input clear water, is input on water source liquidometer 8 to measure the uninterrupted in the clear water source of input.
Fertilizer solution output pipe includes liquidometer 10 and fertilizer solution rear pump 11 under mixed flow container 9, mixed flow container.Fertilizer solution is input into Mixed liquid of the liquidometer 8 with fertilizer solution output pipe on the input water source of the venturi fertilzer sucking pipe 6 of pipeline and clear water discrepancy pipeline Tank 9 is connected.
Under mixed flow container, liquidometer 10 is connected with the outfan and fertilizer solution rear pump 11 of mixed flow container 9 respectively.
Venturi fertilzer sucking pipe 6 is drawn into the fertilizer solution in mother liquor tank 1 in mixed flow container 9, meanwhile, it is defeated in clear water intake line Enter clear water source in mixed flow container 9, fertilizer solution and clear water are mixed, certain density mixed fertilizer feed liquid is obtained so as to prepare.
Storage of the liquidometer 10 to mixed fertilizer feed liquid in the mixed flow container 9 of real-time monitoring under mixed flow container, according to storage number Venturi fertilzer sucking pipe 6 and/or water source flow control valve 7 is adjusted, and the fertilizer solution and/or clear water mixed in flow container is introduced into so as to adjust Amount.Mixed fertilizer feed liquid in mixed flow container 9 is exported by fertilizer solution rear pump 11, is delivered to irrigation control subsystem.
Fertilizer solution detection feedback regulation pipeline includes pressure gauge 12, EC meter 13 and pH meter 14.EC meters 13 and pH meter 14 are successively It is connected to mixed flow container 9;The input of venturi fertilzer sucking pipe 6 is connected by pipeline with the outfan of fertilizer solution rear pump 11, and shape Into loop, pressure gauge 12 is set on the loop.
EC meters 13 and pH meter 14 are used for detecting EC values and the pH value of mixed fertilizer feed liquid in mixed flow container 9, and by measured value with set Fixed EC values and pH value are compared, and according to result of the comparison, adjust fertilizer solution break-make electromagnetic valve 5 and/or water source Flow-rate adjustment Valve 7, so as to adjust the amount of the fertilizer solution and/or clear water being introduced in mixed flow container 9, prepares the mixed fertilizer of specific EC values and pH value Feed liquid.Mixed fertilizer feed liquid unnecessary or remaining in fertilizer solution output pipe, is reclaimed by loop, collects again mixed flow container In 9, it is to avoid cause to waste or affect the irrigation conditions of next crop.Pressure gauge 12 to monitor the pipeline pressure in the loop, And then control is introduced into the traffic conditions of fertilizer solution in mixed flow container 9.
Irrigation control subsystem includes fertilizer solution output flow meter 15 and irrigation electromagnetic valve, fertilizer solution output flow meter 15 One end connects fertilizer solution rear pump 11, and electromagnetic valve is irrigated in other end connection.Fertilizer solution output flow meter 15 is used for measuring mixed flow container 9 The uninterrupted of the mixed fertilizer feed liquid of middle output;Irrigating electromagnetic valve is used for controlling the opened/closed state of irrigation control subsystem, So as to control the uninterrupted of the mixed fertilizer feed liquid exported in mixed flow container 9.
Fertilizer transfer subsystem includes defeated filling circuit, and defeated filling circuit is provided with defeated filling device, and defeated filling device includes fertilizer tank, The input of fertilizer tank is provided with liquidometer on fertilizer tank, and outfan is provided with liquidometer under fertilizer tank, the one of liquidometer under fertilizer tank End connection irrigation pump.
The lower end of fertilizer tank is provided with fertilizer shifting pump, and one end connection fertilizer irrigation pipeline of fertilizer shifting pump, fertilizer are irrigated Pipeline connects next defeated filling device.
In one embodiment, when the planting area of crop A is poured, fertilizer solution rear pump 11 will mix in mixed flow container 9 Uniform mixed fertilizer feed liquid is extracted out, and the irrigation electromagnetic valve 22A that Jing is opened is input to the defeated filling circuit that fertilizer shifts subsystem, Irrigation operation is carried out to crop A by this defeated defeated filling device for filling circuit.
Mixed fertilizer feed liquid Jing is irrigated electromagnetic valve 22A and is incorporated in fertilizer tank 19, the fertilizer tank upper liquid connected on fertilizer tank 19 Under position meter 16 and fertilizer tank, liquidometer 17 is respectively used to be monitored the liquid level of the mixed fertilizer feed liquid in fertilizer tank 19.Fertilizer tank 19 mixed fertilizer feed liquid Jing irrigation pump 18 is exported, and carries out drip irrigation to the planting area 23 of crop A.
After the planting area 23 of crop A is irrigated to be finished, irrigation pump 18 is closed, open fertilizer shifting pump 20, by fertilizer tank Mixed fertilizer feed liquid in 19 is delivered in fertilizer irrigation pipeline 21, and mixed fertilizer feed liquid Jing fertilizer irrigation pipeline 21 is delivered to next defeated Filling device.During mixed fertilizer feed liquid is introduced next defeated filling device, it is not necessary to stop fertilizer and prepare supply subsystem Running.
Fertilizer irrigation pipeline 21 connects fertilizer tank 19A1, and the input of fertilizer tank 19A1 is provided with liquidometer on fertilizer tank 16A1, outfan are provided with liquidometer 17A1 under fertilizer tank, are also associated with irrigation pump 18A1 and fertilizer shifting pump on fertilizer tank 19A1 One end connection fertilizer irrigation pipeline 21A1 of 20A1, fertilizer shifting pump 20A1, fertilizer irrigation pipeline 21A1 connect next defeated fill Put.
According to the size or how many of crop A planting areas, multiple defeated filling devices can be set, successively to corresponding planting area Drip irrigation operation is carried out, until whole planting areas of nurse crop A.
Fertilizer transfer subsystem includes at least one defeated filling circuit.The a plurality of defeated filling circuit of fertilizer transfer subsystem is set side by side Put, be respectively arranged different planting areas or irrigated area, switch different defeated filling circuits, to different planting areas or not Same crop performs irrigation operation.
Per bar, defeated filling circuit is correspondingly arranged irrigation electromagnetic valve, is easy to the different defeated filling circuits of switching, meanwhile, it is different defeated in switching When filling circuit, it is not necessary to stop the running that fertilizer prepares supply subsystem.
The present invention also provides a kind of chamber planting water and fertilizer irrigation method, and its concrete irrigation method is:
S1, pass through fertilizer solution intake line and clear water intake line respectively and be introduced into fertilizer and/or clear water to mix in flow container 9, Obtain mixed fertilizer feed liquid;
What S2, the EC values of the mixed fertilizer feed liquid detected according to EC meters 13 and pH meter 14 and pH value and setting value were compared As a result, the amount of the fertilizer and/or water being introduced in mixed flow container 9 is adjusted, so as to the EC values and pH value that adjust mixed fertilizer feed liquid reach and set Definite value;
S3, the mixed fertilizer feed liquid for reaching setting value in mixed flow container 9 is exported to irrigation control by fertilizer solution output pipe Subsystem;
S4, the opened/closed state by controlling irrigation electromagnetic valve, control mixed fertilizer feed liquid enter fertilizer and shift subsystem System, irrigates a kind of planting area of crop;
S5, complete a kind of irrigation of crop after, the EC values of mixed fertilizer feed liquid and pH value in the mixed flow container 9 of adjustment, the defeated filling of switching Circuit, repeat step S4 irrigate the planting area of another crop.
According to fertilizer prepare supply subsystem in EC meter and pH meter, to mix flow container 9 in mixed fertilizer feed liquid EC values with PH value detected, according to the comparable situation of measured value and setting value, regulation is introduced into and mixes fertilizer solution in flow container 9 and/or clear water Amount, prepares the mixed fertilizer feed liquid with specific EC values and pH value, specific planting area or crop is irrigated.Regulative mode spirit It is living, easy, EC values and the pH value of mixed fertilizer feed liquid can be changed according to irrigation conditions real-time regulation.
Irrigate the mixed fertilizer feed liquid that solenoid valve control input fertilizer shifts subsystem.Fertilizer transfer subsystem arranges at least one The defeated filling circuit of bar, by irrigating the control conversion of electromagnetic valve, the convenient planting area to Different Crop, Different Irrigation condition is carried out Irrigation operation.
In above-mentioned steps S4 irrigate solenoid valve control mixed fertilizer feed liquid into fertilizer shift subsystem irrigated it is concrete Mode is:
S41, opening irrigate electromagnetic valve, and the mixed fertilizer feed liquid that EC values and pH value reach setting value is introduced fertilizer transfer subsystem One defeated filling circuit of system;
S42, mixed fertilizer feed liquid are entered in the defeated fertilizer tank 19 for filling circuit, and mixed fertilizer feed liquid Jing in fertilizer tank 19 is irrigated Crop in 18 drip irrigation planting area 23 of pump, and it is input into the flow of fertilizer solution and the output fertilizer solution of irrigation pump 18 in fertilizer tank 19 Flow is equal;
After crop irrigation in S43, planting area 23 is finished, irrigation pump 18 is closed, open fertilizer shifting pump 20, mixed fertilizer Feed liquid Jing fertilizer shifting pump 20 is entered in fertilizer irrigation pipeline 21, and is input into the flow of fertilizer solution and fertilizer transfer in fertilizer tank 19 The flow of the output fertilizer solution of pump 20 is identical;
S44, mixed fertilizer feed liquid Jing fertilizer irrigation pipeline 21 enter next defeated filling device, irrigate the another of crop place Planting area 24;
Repeat step S42-S44, until complete the irrigation operation of all planting areas of the crop.
In one defeated filling circuit of fertilizer transfer subsystem, according to the size or how many of the planting area of the crop, arrange The quantity of defeated filling device.
After completing the irrigation of a planting area of the crop, by fertilizer shifting pump and fertilizer irrigation pipeline by mixed fertilizer Feed liquid is transferred to next defeated filling device.
When different planting areas or transfer fertilizer solution are irrigated, the flow and fertilizer tank of the mixed fertilizer feed liquid of fertilizer tank is input into The flow of the mixed fertilizer feed liquid of output is identical, so as to ensure that irrigation operation carries out irrigation operation under approximately uniform operating mode.
In another embodiment, open and irrigate electromagnetic valve 22A, the mixed fertilizer feed liquid with specific A0 values is introduced into fertilizer In tank 19, irrigation pump 18 is opened, dropper operation is carried out to the planting area 23 of crop A.
After the completion of planting area 23 is irrigated, irrigation pump 18 is closed, open fertilizer shifting pump 20, the mixed fertilizer in fertilizer pipe 19 Feed liquid passes through fertilizer shifting pump 20 and fertilizer irrigation pipeline 21 is transferred in fertilizer tank 19A1.Irrigation pump 18A1 is opened, to crop A Planting area 24 carry out drip irrigation.
After the completion of planting area 24 is irrigated, irrigation pump 18A1 is closed, open fertilizer shifting pump 20A1, in fertilizer tank 19A1 Mixed fertilizer feed liquid Jing fertilizer shifting pump 20A1 and fertilizer irrigation pipeline 21A1 be delivered to next defeated filling device, under crop A One planting area carries out drip irrigation operation, until the planting area of crop A is all irrigated finishing.
By arranging multiple defeated filling devices, when irrigation operation is carried out, switch between different defeated filling devices, keep away The defeated filling pipeline for having exempted from single defeated filling device is long, and cause it is defeated filling pressure it is little, irrigation volume does not reach the situation of requirement.
Mixed fertilizer feed liquid EC value and pH value is adjusted in above-mentioned steps S5, switches the defeated concrete grammar for filling circuit be:
S51, repeat step S1-S3, adjust the EC values and pH value of mixing mixed fertilizer feed liquid in flow container 9 to close another setting Value;
S52, closing control have completed the irrigation electromagnetic valve of the defeated filling circuit of irrigation operation, open another irrigation electromagnetic valve;
Mixed fertilizer feed liquid in S53, mixed flow container 9 enters another defeated filling circuit that fertilizer shifts subsystem, to another crop Planting area perform irrigation operation, repeat step S4;
After the completion of the planting area of the crop is all irrigated, repeat step S5 carries out the irrigation operation of next crop.
In another embodiment, by adjusting fertilizer solution break-make electromagnetic valve 5 and/or input water source flow control valve 7, from And the amount for being introduced into the fertilizer solution and/or clear water mixed in flow container 9 is adjusted, prepare close with A0 values with the another of specific B0 values One mixed fertilizer feed liquid.
After all planting areas of crop A are all irrigated to be finished, close and irrigate electromagnetic valve 22A, open and irrigate electromagnetic valve 22B, the mixed fertilizer feed liquid with B0 values enter another defeated filling circuit that fertilizer shifts subsystem, and the S4 of repeat step is irrigated and made All planting areas that thing B is located.
After the completion of the planting area of crop B is all irrigated, repeat step S5 is closed and irrigates electromagnetic valve 22B, is opened another Electromagnetic valve is irrigated, the planting area of another crop of mixed fertilizer feed liquid concentration comparable needed for irrigating, until complete all crops Irrigation operation.
According to Different Crop, Different Irrigation condition, the defeated filling circuit of irrigation operation in switching fertilizer transfer subsystem, is carried out. In handoff procedure, the defeated filling circuit in the close crop-planting region of EC values, pH value needed for switching successively, so that irrigate different Crop or when there is Different Irrigation demand, the concentration variation fluctuation of mixed fertilizer feed liquid is minimum, and the change for reducing concentration is fluctuated to work The irrigation of thing has undesirable effect.
Meanwhile, by controlling the on off state of Different Irrigation electromagnetic valve, different defeated filling lines in control fertilizer transfer subsystem The irrigation state on road, prepares the operation of supply subsystem without stopping fertilizer, it is to avoid fertilizer prepares the frequency of supply subsystem The irrigation fertilizer solution concentration big ups and downs that numerous start and stop are caused, cause the underproduction.
A kind of chamber planting water and fertilizer irrigation system, arranges fertilizer and prepares supply subsystem, irrigation control subsystem and fertilizer Transfer subsystem, fertilizer prepare the intake line that supply subsystem is respectively provided with fertilizer solution and clear water source, can real-time regulation difference The mixed fertilizer feed liquid of concentration;Defeated filling device in fertilizer transfer subsystem includes fertilizer tank, and while arranges irrigation pump and fertilizer Transfer conduit, and according to actual irrigation condition, multiple defeated filling devices are set, implement the continuous irrigation operation of many planting areas;Fertilizer Material transfer subsystem arranges a plurality of defeated filling circuit according to actual irrigation demand, implements multi items, the continuous filling of many chamber plantings Irrigate operation.
A kind of chamber planting water and fertilizer irrigation method, fertilizer prepare supply subsystem and prepare mixing with difference EC values and pH value Hefei feed liquid;Irrigation control subsystem controls fertilizer prepares the export pipeline of mixed fertilizer feed liquid prepared by supply subsystem;Fertilizer Transfer conduit pours the close planting area of irrigation conditions or work by switching different defeated filling devices or defeated filling circuit, successively Mixed fertilizer drop with difference EC values and pH value is poured into the different planting areas of Different Crop by thing.It is not of the same race switching When growing area domain, the irrigation operation of Different Crop, it is not necessary to stop the running that fertilizer prepares supply subsystem.By same set of irrigation System, in the case where fertilizer supply subsystem fertilizer supply is not stopped, switching different defeated filling devices or defeated filling circuit, successively The approximate planting area of switching irrigation conditions or crop, reduce the irrigation of mixed fertilizer feed liquid EC value or pH value fluctuation to crop and cause Harmful effect, meanwhile, complete multi items, many planting regionalizations, the irrigation operation of many chamber plantings.
Finally, the application is only preferably embodiment, is not intended to limit protection scope of the present invention.It is all in the present invention Spirit and principle within, any modification, equivalent substitution and improvements made etc., should be included in protection scope of the present invention it It is interior.

Claims (13)

1. a kind of chamber planting water and fertilizer irrigation system, it is characterised in which includes:Introduce fertilizer solution and/or clear water to make in real time Fertilizer that is standby and exporting the mixed fertilizer feed liquid with specific EC values and pH value prepares supply subsystem, and controls the fertilizer system Available enters the irrigation control subsystem of specific planting area to the mixed fertilizer feed liquid that subsystem is exported.
2. a kind of chamber planting water and fertilizer irrigation system as claimed in claim 1, it is characterised in that:The fertilizer prepares supply subsystem Including fertilizer solution intake line, clear water intake line and fertilizer solution output pipe, the fertilizer solution intake line and clear water input Pipeline is connected with fertilizer solution output pipe respectively, arranges fertilizer solution between the fertilizer solution intake line and fertilizer solution output pipe Detection feedback regulation pipeline.
3. a kind of chamber planting water and fertilizer irrigation system as claimed in claim 2, it is characterised in that:The fertilizer solution intake line includes Mother liquor tank (1) and venturi fertilzer sucking pipe (6), venturi fertilzer sucking pipe (6) are connected with the fertilizer solution output pipe, the mother Y-type filter (2), suspended body flowmeter (3), fertilizer flow control valve is set gradually between flow container (1) and venturi fertilzer sucking pipe (6) And fertilizer solution break-make electromagnetic valve (5) (4).
4. a kind of chamber planting water and fertilizer irrigation system as claimed in claim 2, it is characterised in that:On the clear water intake line successively Be provided with input water source flow control valve (7) and be input into water source on liquidometer (8), on the input water source liquidometer (8) with it is described Fertilizer solution output pipe is connected.
5. a kind of chamber planting water and fertilizer irrigation system as claimed in claim 3, it is characterised in that:The fertilizer solution detects feedback regulation Pipeline is provided with the EC values of the mixed fertilizer feed liquid in the detection fertilizer solution output pipe and EC meters (13) of pH value and pH meter (14), The input of venturi fertilzer sucking pipe (6) is connected by pipeline with the outfan of fertilizer solution output pipe, and forms loop, Pressure gauge (12) is set on the loop.
6. a kind of chamber planting water and fertilizer irrigation system as claimed in claim 1, it is characterised in that:The irrigation control subsystem is provided with At least one irrigates electromagnetic valve.
7. a kind of chamber planting water and fertilizer irrigation system as claimed in claim 6, it is characterised in that:Also include and irrigation control The fertilizer transfer subsystem of the execution irrigation operation of system connection, the fertilizer transfer subsystem include and the irrigation electromagnetic valve The defeated filling circuit of correspondence connection, the defeated filling circuit are provided with defeated filling device, and the defeated filling device includes fertilizer tank (19), described Liquidometer (17), liquidometer under the fertilizer tank under liquidometer on fertilizer tank (16) and fertilizer tank is respectively equipped with fertilizer tank (19) (17) one end connection irrigation pump (18).
8. a kind of chamber planting water and fertilizer irrigation system as claimed in claim 7, it is characterised in that:The lower end of fertilizer tank (19) sets There are fertilizer shifting pump (20), one end connection fertilizer irrigation pipeline (21) of fertilizer shifting pump (20), the fertilizer irrigation pipe Road (21) connects next defeated filling device.
9. such as a kind of chamber planting water and fertilizer irrigation system of claim 7 or 8, it is characterised in that:In the defeated filling circuit at least Comprising a defeated filling device.
10. a kind of chamber planting water and fertilizer irrigation system as claimed in claim 9, it is characterised in that:The fertilizer transfer subsystem is extremely A defeated filling circuit is included less, and per bar, the defeated circuit that fills is correspondingly arranged that control strip is defeated to fill the irrigation electricity that circuit performs irrigation operation Magnet valve.
A kind of 11. chamber planting water and fertilizer irrigation methods, its specific irrigation method are as follows:
S1, pass through fertilizer solution intake line and clear water intake line respectively and is introduced into fertilizer and/or clear water to mix in flow container (9), obtain To mixed fertilizer feed liquid;
What S2, the EC values for counting the mixed fertilizer feed liquid that (13) and pH meter (14) are detected according to EC and pH value and setting value were compared As a result, the amount of the fertilizer and/or water being introduced in mixed flow container (9) is adjusted, so as to the EC values and pH value that adjust mixed fertilizer feed liquid reach Setting value;
S3, by fertilizer solution output pipe by the mixed fertilizer feed liquid for reaching setting value in mixed flow container (9) export to irrigation control System;
S4, the opened/closed state by controlling irrigation electromagnetic valve, control mixed fertilizer feed liquid enter fertilizer and shift subsystem, fill Irrigate a kind of planting area of crop;
S5, complete a kind of irrigation of crop after, the EC values of mixed fertilizer feed liquid and pH value in the mixed flow container (9) of adjustment, the defeated filling line of switching The planting area of another crop is irrigated on road, repeat step S4.
12. as claim 11 a kind of chamber planting water and fertilizer irrigation method, it is characterised in that in step S4 irrigate electromagnetic valve control Mixed fertilizer liquid shifts the concrete mode irrigated of subsystem into fertilizer:
S41, opening irrigate electromagnetic valve, and the mixed fertilizer feed liquid that EC values and pH value reach setting value is introduced fertilizer transfer subsystem One defeated filling circuit;
S42, mixed fertilizer feed liquid are entered in the defeated fertilizer tank (19) for filling circuit, and mixed fertilizer feed liquid Jing in fertilizer tank (19) is irrigated Crop in pump (18) drip irrigation planting area (23), and it is input into the flow of fertilizer solution and irrigation pump (18) output in fertilizer tank (19) The flow of fertilizer solution is equal;
After crop irrigation in S43, planting area (23) is finished, irrigation pump (18) is closed, open fertilizer shifting pump (20), mixing Fertilizer solution Jing fertilizer shifting pump (20) is entered in fertilizer irrigation pipeline (21), and be input in fertilizer tank (19) flow of fertilizer solution with The flow of fertilizer shifting pump (20) output fertilizer solution is identical;
S44, mixed fertilizer feed liquid Jing fertilizer irrigation pipeline (21) enter next defeated filling device, irrigate the another kind that the crop is located Growing area domain (24);
Repeat step S42-S44, until complete the irrigation operation of all planting areas of the crop.
13. as claim 11 or 12 a kind of chamber planting water and fertilizer irrigation method, it is characterised in that in step S5 adjustment mixing Fertilizer solution EC value and pH value, the concrete grammar of the defeated filling circuit of switching are:
S51, repeat step S1-S3, adjust the EC values and pH value of mixing mixed fertilizer feed liquid in flow container (9) to close another setting Value;
S52, closing control have completed the irrigation electromagnetic valve of the defeated filling circuit of irrigation operation, open another irrigation electromagnetic valve;
Mixed fertilizer feed liquid in S53, mixed flow container (9) enters another defeated filling circuit that fertilizer shifts subsystem, to another crop Planting area performs irrigation operation, repeat step S4;
After the completion of the planting area of the crop is all irrigated, repeat step S5 carries out the irrigation operation of next crop.
CN201610967136.9A 2016-10-28 2016-10-28 Greenhouse-planting water-and-fertilizer-integration cluster irrigation system and method Pending CN106508508A (en)

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Application publication date: 20170322