CN107624326A - A kind of water-fertilizer integral irrigation system and control method - Google Patents
A kind of water-fertilizer integral irrigation system and control method Download PDFInfo
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- CN107624326A CN107624326A CN201711013222.7A CN201711013222A CN107624326A CN 107624326 A CN107624326 A CN 107624326A CN 201711013222 A CN201711013222 A CN 201711013222A CN 107624326 A CN107624326 A CN 107624326A
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Abstract
The invention discloses a kind of water-fertilizer integral irrigation system and control method, including water-main road, lateral, the fertile device of suction, water-fertilizer integral control system；Inhaling fertile device includes Venturi tube, mixed fertilizer batch can, lateral non-return valve etc.；Water-fertilizer integral control system includes electric flow control valve, electromagnetic flowmeter, PH sensor, EC sensors, programmable logic controller (PLC).The water-fertilizer integrated intelligent control system of the present invention can be according to the PH/EC values detected, demand according to Different Crop to concentration of fertilizer, the flow on water-main road measured by electromagnetic flowmeter, automatically adjust the aperture of electric flow control valve, change the amount of Venturi tube suction fertilizer, so that the concentration of fertilizer is controlled near demand concentration, realize liquid manure precision, intellectuality, automatic management, and meet to use under adverse circumstances, it is cheap.
Description
Technical field
The invention belongs to irrigate field, more particularly to a kind of water-fertilizer integral irrigation system and method, suitable for wisdom
Agricultural, water-fertilizer integral, automatic management can be achieved.
Background technology
Water is Source of life, is the necessary condition of Agriculture Production；Fertilizer is the important leverage of agricultural volume increase high yield.Pass
The fertilizing method of system is water after first fertilizer, and this mode of production brings the liquid manure wasting of resources, soil acidification and water body environment pollution
Deng series of problems, have become the bottleneck for restricting Agricultural Sustainable Development in China.Water-fertilizer integral is one that the world today generally acknowledges
Item high-efficiency water-saving section fertilizer new agricultural technology, it is development high yield, the important technical of high-quality, efficient, ecological, safe modern agriculture, is
" the No.1 technology " of Resources for construction economizing type, environmentally friendly modern agriculture.Importantly, it is to changing agricultural development side
Formula, promote leading of being played of modernization construction and impetus.
China's agricultural irrigation efficiency is generally low, and intelligent water-saving irrigation system is arisen at the historic moment.Core Feature is to pass through prison
PH value and EC values are controlled, with reference to source fertilizer concentration, regulates and controls liquid manure ratio, realizes that accurately liquid manure matches, and realizes Precision Irrigation.This intelligence
Water-saving irrigation automated system, the purpose for reaching water saving is not only able to, and improves the productivity effect of crops, reduce artificial throw
The cost entered.Traditional fertigation mode can not meet intelligent irrigation, can not more be adapted to intelligent water-saving irrigation system.
The content of the invention
For above-mentioned deficiency, the invention provides a kind of water-fertilizer integral irrigation system and method, suitable for crops
Automated, intelligent, water-fertilizer integral management.
The technical solution adopted by the present invention is as follows：
A kind of water-fertilizer integral irrigation system, including inhale fertile device, water-main road, lateral and control system；
Main non-return valve and water pump are sequentially connected in series on described water-main road, water-main road before water pump and after water pump
Water-main road between pass through lateral and connect, form closed loop；And in described lateral liquid stream
Fertile device is inhaled on the contrary, being provided with described lateral to the liquid flow direction in water-main road, described suction fertilizer dress
Put including Venturi tube, mixed fertilizer batch can, branch non-return valve；Described Venturi tube is installed on lateral, with mixed fertilizer
Tank is connected, for absorbing the fertilizer in fertilizer tank in lateral；The direction that described branch non-return valve flows along liquid
It is installed on the end of lateral；And PH sensor, EC are installed on the pipeline between Venturi tube and mixed fertilizer batch can
Sensor, described main non-return valve, water pump, branch non-return valve, PH sensor, EC sensors are controlled by described control system.
Further, main solenoid valve, described master are also equipped with the water-main road of described main non-return valve front end
Magnetic valve is controlled by control system.
Further, electromagnetic flowmeter, water pressure gauge are provided with along water flow direction, the end in described water-main road.
Further, branch magnetic valve is installed on described lateral, what described branch magnetic valve flowed along liquid
Direction is installed on the end of lateral, and described branch magnetic valve is controlled by control system.
Further, electric flow control valve is installed in the outlet of described mixed fertilizer batch can.
Further, the mounting distance between PH sensor, EC sensors and electric flow control valve is less than 100m.
Further, described PH sensor, EC sensors are connected with the signal input part of control system, and control system
Signal input part also with irrigate signal input switch, fertilising signal input switch be connected, described electric flow control valve, master
Magnetic valve, branch magnetic valve are located at the signal output part of control system.
Further, described control system is programmable logic controller (PLC).
Specific control method is as follows：
After programmable logic controller (PLC), which receives, irrigates signal, water-main road magnetic valve is first turned on, closes branched pipe
Road magnetic valve, then start water pump, clear water is out of clear water holding vessel successively by non-return valve, water pump, electromagnetic flowmeter, water pressure gauge
Into the irrigation system in field；
After programmable logic controller (PLC) receives fertilising signal, water-main road magnetic valve, lateral electricity are first turned on
Magnet valve, then start water pump, clear water passes through water pump out of clear water holding vessel, and a part of water enters lateral, passes through venturi
Pipe sucks fertilizer, and fertilizer is again introduced into water-main road by non-return valve, certain density fertilizer is formed, subsequently into field
Irrigation system, the signal that PH sensor, EC sensors gather is sent to programmable logic controller (PLC), according to Different Crop to fertilizer
Expect the demand of concentration, the flow on water-main road measured by electromagnetic flowmeter, automatically adjust electric flow control valve
Aperture, change the amount of Venturi tube suction fertilizer, so that the concentration of fertilizer is controlled near demand concentration.
The usefulness of the invention is：
1. the signal that the water-fertilizer integrated intelligent control system of the present invention can gather according to PH sensor, EC sensors, electricity
The flow on water-main road that magnetic flowmeter measures, the aperture of electric flow control valve is automatically adjusted, change Venturi tube and inhale
Enter the amount of fertilizer so that fertilizer concentration control near demand concentration, and can realize liquid manure precision, intellectuality, from
Dynamicization manages, and greatly reduces labour.
2. the PH sensor, EC sensors in the water-fertilizer integral irrigation system of the present invention are placed on Venturi tube and mixed fertilizer
Between batch can, pH value, the EC values of high concentration fertilizer can be detected, mixing is then diluted in main pipeline, concentration is higher, more holds
Easily detection, and the pH value that is measured under high concentration, EC value errors are small, so as to improve control accuracy.
3. the water-fertilizer integral irrigation system of the present invention can realize the demand irrigated with fertilising respectively, and in fertilising process
In can add servo antrol without interruption with fertilizer, the concentration of fertilizer can be more precisely controlled.
4. the water-fertilizer integral irrigation system of the present invention can apply to cloud service intellectuality irrigation system, wisdom section is realized
Water irrigates integration, can meet the needs of remotely monitor irrigation；It can meet to use under adverse circumstances simultaneously, cost is cheap.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its illustrate be used for explain the application, do not form the improper restriction to the application.
Accompanying drawing 1 is the structural representation of the water-fertilizer integral irrigation system of the present invention,
Accompanying drawing 2 is water-fertilizer integrated intelligent control schematic diagram of the invention.
In figure：1 is main aqueduct, and 2a is main aqueduct magnetic valve, and 2b is lateral magnetic valve, and 3a is main water delivery
Pipeline non-return valve, 3b are lateral non-return valve, and 4 be water pump, and 5 be electromagnetic flowmeter, and 6 be water pressure gauge, and 7 be lateral, and 8 are
Electric flow control valve, 9 be Venturi tube, and 10a is PH sensor, and 10b is EC sensors, and 11 be programmable logic controller (PLC),
12 be mixed fertilizer batch can.
Embodiment
It is noted that described further below is all exemplary, it is intended to provides further instruction to the application.It is unless another
Indicate, all technologies used herein and scientific terminology are with usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
As described by background section, traditional fertigation mode can not meet intelligent irrigation, more can not
It is adapted to this cloud service intelligent water-saving irrigation system.Therefore, present applicant proposes a kind of water-fertilizer integral irrigation control side
Method.
Referring to accompanying drawing 1, a kind of water-fertilizer integral irrigation system, including water-main road 1, lateral 7, inhale fertile device,
Water-fertilizer integral control system；Water-main road non-return valve 3a and water pump 4 have been sequentially connected in series on described water-main road 1,
Connected, formed by a lateral 7 between water-main road before water pump 4 and the water-main road after water pump
Closed loop；And the flow direction of liquid is flowed on the contrary, described with the liquid in water-main road 1 in described lateral 7
It is provided with lateral 7 and inhales fertile device, it is inverse that described suction fertilizer device includes Venturi tube 9, mixed fertilizer batch can 12, lateral
Only valve 3b；Described Venturi tube 9 is installed on lateral, is connected with mixed fertilizer batch can 12, for absorbing fertilizer tank 12
Interior fertilizer is in lateral 7；Described lateral non-return valve 3b is installed on lateral along the direction that liquid flows
End；And PH sensor 10a, EC sensor 10b, institute are installed on the pipeline between Venturi tube and mixed fertilizer batch can
Main non-return valve, water pump, branch non-return valve, PH sensor, the EC sensors stated are controlled by described control system.
Water-main road magnetic valve 2a, water-main road non-return valve 3a, water pump 4, electromagnetism are sequentially provided with water-main road 1
Flowmeter 5, water pressure gauge 6；Water-main road non-return valve is located between lateral delivery port and water-main road magnetic valve 3a；Institute
The electromagnetic flowmeter stated is between lateral water inlet and water pressure gauge；The end in water-main road is provided with water pressure gauge 6, can be with
The pressure of water-main road end is detected, prevents the explosion of pipeline；
Venturi tube 9, which is installed on lateral 7, connects mixed fertilizer batch can 12, can be with due to the pressure difference between inlet and outlet
Complete the absorption of fertilizer in mixed fertilizer batch can；Described lateral non-return valve 3b is installed on the end of lateral, can be to prevent
Clear water adverse current enters lateral when only irrigating；
Water-fertilizer integral control system includes electric flow control valve 10, PH sensor 6a, EC sensor 6b, may be programmed and patrol
Collect controller 13；Described programmable logic controller (PLC) by signal wire respectively with water-main road magnetic valve 2b, water pump 4, point
Branch pipe(tube) magnetic valve 3b, electric flow control valve 8, PH sensor 10a, EC sensor connection 10b；Water-main road magnetic valve peace
Before centrifuge, water delivery master switch can be played a part of；Lateral magnetic valve is installed on the top of lateral, can be with
Control whether to apply fertilizer；Described electric flow control valve is installed between mixed fertilizer batch can and Venturi tube, can pass through regulation
The aperture of electric flow control valve, change the amount of Venturi tube suction fertilizer；Described PH sensor, EC sensors are installed on electricity
It is dynamic between flow control valve and Venturi tube, for detecting the concentration of fertilizer in mixed fertilizer batch can, PH sensor, EC sensors with
Mounting distance between electric flow control valve is less than 100m；
After programmable logic controller (PLC), which receives, irrigates signal, water-main road magnetic valve is first turned on, closes branched pipe
Road magnetic valve, then starts water pump, and clear water enters by water-main road non-return valve, water pump, electromagnetic flowmeter, water pressure gauge successively
The irrigation system in field；
After programmable logic controller (PLC) receives fertilising signal, water-main road magnetic valve, lateral electricity are first turned on
Magnet valve, then start water pump, clear water passes through water pump, and a part of water enters lateral, and fertilizer, fertilizer are sucked by Venturi tube
Water-main road is again introduced into by non-return valve, forms certain density fertilizer, subsequently into the irrigation system in field, PH is passed
Sensor, the signal of EC sensors collection, send programmable logic controller (PLC) to, the demand according to Different Crop to concentration of fertilizer,
The flow on water-main road measured by electromagnetic flowmeter, automatically adjusts the aperture of electric flow control valve, changes literary mound
In pipe suction fertilizer amount so that fertilizer concentration control near demand concentration.Demand of the Different Crop to concentration of fertilizer
Value can be by program setting, and is stored in the memory of programmable logic controller (PLC).
Citing described above for best mode for carrying out the invention, for the ordinary skill in the art, according to
The solution of the present invention, in the case where not departing from the principle of the present invention and spirit, the structure or technology of embodiment are entered
Capable changes, modifications, replacement and modification is still fallen within protection scope of the present invention.
Claims (9)
1. a kind of water-fertilizer integral irrigation system, it is characterised in that including inhaling fertile device, water-main road, lateral and control
System processed；Main non-return valve and water pump have been sequentially connected in series on described water-main road, the water-main road before water pump and
Connected between water-main road after water pump by a lateral, form closed loop；And described lateral
The flow direction of interior liquid inhales fertile device, institute with the liquid flow direction in water-main road on the contrary, being provided with described lateral
The suction fertilizer device stated includes Venturi tube, mixed fertilizer batch can, branch non-return valve；Described Venturi tube is installed on lateral,
It is connected with mixed fertilizer batch can, for absorbing the fertilizer in fertilizer tank in lateral；Described branch non-return valve is along liquid
The direction of flowing is installed on the end of lateral；And PH is installed on the pipeline between Venturi tube and mixed fertilizer batch can
Sensor, EC sensors, described main non-return valve, water pump, branch non-return valve, PH sensor, EC sensors are by described control system
System control.
2. a kind of water-fertilizer integral irrigation system as claimed in claim 1, it is characterised in that in described main non-return valve front end
Water-main road on be also equipped with main solenoid valve, described main solenoid valve is controlled by control system.
3. a kind of water-fertilizer integral irrigation system as claimed in claim 1, it is characterised in that described along water flow direction
The end in water-main road is provided with electromagnetic flowmeter, water pressure gauge.
4. a kind of water-fertilizer integral irrigation system as claimed in claim 1, it is characterised in that installed on described lateral
There is branch magnetic valve, described branch magnetic valve is installed on the end of lateral, described branch electromagnetism along the direction that liquid flows
Valve is controlled by control system.
5. a kind of water-fertilizer integral irrigation system as claimed in claim 1, it is characterised in that in described mixed fertilizer batch can
Outlet is provided with electric flow control valve.
6. a kind of water-fertilizer integral irrigation system as claimed in claim 1, it is characterised in that described PH sensor, EC are passed
Sensor is connected with the signal input part of control system, and the signal input part of control system is also with irrigating signal input switch, applying
Fertile signal input switch is connected.
A kind of 7. water-fertilizer integral irrigation system as claimed in claim 1, it is characterised in that PH sensor, EC sensors with
Mounting distance between electric flow control valve is less than 100m.
8. a kind of water-fertilizer integral irrigation system as claimed in claim 1, it is characterised in that described control system is to compile
Journey logic controller.
A kind of 9. control method of water-fertilizer integral irrigation system as described in claim 1-8 is any, it is characterised in that
After programmable logic controller (PLC), which receives, irrigates signal, water-main road magnetic valve is first turned on, closes lateral electricity
Magnet valve, then starts water pump, and clear water enters by non-return valve, water pump, electromagnetic flowmeter, water pressure gauge successively out of clear water holding vessel
The irrigation system in field；
After programmable logic controller (PLC) receives fertilising signal, water-main road magnetic valve, lateral magnetic valve are first turned on,
Then water pump is started, clear water passes through water pump out of clear water holding vessel, and a part of water enters lateral, sucked by Venturi tube
Fertilizer, fertilizer are again introduced into water-main road by non-return valve, form certain density fertilizer, subsequently into the irrigation system in field
System, the signal that PH sensor, EC sensors gather is sent to programmable logic controller (PLC), according to Different Crop to concentration of fertilizer
Demand, the flow on water-main road measured by electromagnetic flowmeter, automatically adjust the aperture of electric flow control valve, change
Become the amount of Venturi tube suction fertilizer, so that the concentration of fertilizer is controlled near demand concentration.
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| CN201711013222.7A CN107624326A (en) | 2017-10-26 | 2017-10-26 | A kind of water-fertilizer integral irrigation system and control method |
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Cited By (5)
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| CN110199647A (en) * | 2019-06-14 | 2019-09-06 | 山东省农业机械科学研究院 | The accurate control sprinkler with reel of dose |
| CN110945996A (en) * | 2019-12-12 | 2020-04-03 | 漳州永利达自控设备有限公司 | Novel liquid manure irrigation system |
| CN111189888A (en) * | 2020-01-14 | 2020-05-22 | 中国科学院合肥物质科学研究院 | Water fertilizer nitrogen phosphorus potassium element concentration analysis method based on two-stage water fertilizer dilution treatment system |
| CN117616962A (en) * | 2024-01-15 | 2024-03-01 | 中国农业科学院农业环境与可持续发展研究所 | Water and fertilizer synchronous control system and method for reel sprinkling irrigation |
| CN117616961A (en) * | 2024-01-15 | 2024-03-01 | 中国农业科学院农业环境与可持续发展研究所 | Drip irrigation water and fertilizer control system and method |
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| CN111189888A (en) * | 2020-01-14 | 2020-05-22 | 中国科学院合肥物质科学研究院 | Water fertilizer nitrogen phosphorus potassium element concentration analysis method based on two-stage water fertilizer dilution treatment system |
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| CN117616962A (en) * | 2024-01-15 | 2024-03-01 | 中国农业科学院农业环境与可持续发展研究所 | Water and fertilizer synchronous control system and method for reel sprinkling irrigation |
| CN117616961A (en) * | 2024-01-15 | 2024-03-01 | 中国农业科学院农业环境与可持续发展研究所 | Drip irrigation water and fertilizer control system and method |
| CN117616961B (en) * | 2024-01-15 | 2024-04-30 | 中国农业科学院农业环境与可持续发展研究所 | Drip irrigation water and fertilizer control system and method |
| CN117616962B (en) * | 2024-01-15 | 2024-05-24 | 中国农业科学院农业环境与可持续发展研究所 | Water and fertilizer synchronous control system and method for reel sprinkling irrigation |
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