CN107593374A - A kind of the water-fertilizer integral irrigation system and control method of branch road detection - Google Patents
A kind of the water-fertilizer integral irrigation system and control method of branch road detection Download PDFInfo
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- CN107593374A CN107593374A CN201711013019.XA CN201711013019A CN107593374A CN 107593374 A CN107593374 A CN 107593374A CN 201711013019 A CN201711013019 A CN 201711013019A CN 107593374 A CN107593374 A CN 107593374A
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Abstract
The invention discloses the water-fertilizer integral irrigation system and control method of a kind of branch road detection, 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, the aperture of servo antrol electric flow control valve, so as to continuously adjust the concentration of fertilizer, keep it in certain scope, 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 the water-fertilizer integral irrigation system and method for branch road detection,
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 the water-fertilizer integral irrigation system and method for a kind of branch road detection, is applicable
In crops are 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 of branch road detection, including inhale 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 sensings are installed on the lateral after Venturi tube
Device, EC sensors, described main non-return valve, water pump, branch non-return valve, PH sensor, EC sensors are by described control system 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, the end in described water-main road is provided with water pressure gauge and electromagnetic flowmeter.
Further, branch magnetic valve is installed on described lateral, what described branch magnetic valve flowed along liquid
Direction is installed on the top of lateral, and described branch magnetic valve is controlled by control system.
Further, electric flow control valve, described electric flow control valve peace are installed on described lateral
On lateral between Venturi tube and magnetic valve.
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, the mounting distance between described PH sensor, EC sensors and electric flow control valve is less than
100m。
Further, described control system is programmable logic controller (PLC).
PH sensor, EC sensors in described water-fertilizer integral control system, by the signal of collection, send control to
System, according to the PH/EC values set in advance, the aperture of electric flow control valve is adjusted by servo antrol, changes venturi
The inlet outlet pressure differential of pipe, change the amount of suction fertilizer, so as to change the concentration of main pipeline fertilizer, be always held at it and set in advance
In the range of the PH/EC values put.
Specific irrigation 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, by electronic stream
Adjustable valve, fertilizer is sucked by Venturi tube, fertilizer is again introduced into water-main road by non-return valve, is formed certain density
Fertilizer, subsequently into the irrigation system in field, the signal that PH sensor, EC sensors are gathered, send FPGA control to
Device processed, according to the PH/EC values set in advance, the aperture of electric flow control valve is adjusted by servo antrol, changes venturi
The inlet outlet pressure differential of pipe, change the amount of suction fertilizer, so as to change the concentration of main pipeline fertilizer, be always held at it and set in advance
Near the PH/EC values put.
The usefulness of the invention is：
1. the present invention water-fertilizer integrated intelligent control system can according to the PH/EC values detected,
The aperture of servo antrol electric flow control valve, so as to automatically adjust the concentration of fertilizer, keep it in certain
In the range of, it is achieved thereby that the continuous control of concentration of fertilizer, and liquid manure precision, intellectuality, automatic management can be realized, greatly
Reduce labour greatly.
2. the PH sensor, EC sensors in the water-fertilizer integral irrigation system of the branch road detection of the present invention are placed on branched pipe
On road, pH value, the EC values of high concentration fertilizer can be detected, mixing is then diluted in main pipeline, concentration is higher, easier inspection
Survey, 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 branch road detection of the present invention can realize the demand irrigated with fertilising respectively, and
It can be added servo antrol without interruption with fertilizer, the concentration of fertilizer can be more precisely controlled during fertilising.
4. the water-fertilizer integral irrigation system of the branch road detection of the present invention can apply to cloud service intellectuality irrigation system,
Wisdom water-saving irrigation integration is realized, can meet the needs of remotely monitor irrigation；It can meet to use under adverse circumstances simultaneously, into
This 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.
The structural representation for the water-fertilizer integral irrigation system that accompanying drawing 1 detects for the branch road 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 of branch road detection, including water-main road 1, lateral 7,
Inhale fertile device, water-fertilizer integral control system；Water-main road non-return valve 3a has been sequentially connected in series on described water-main road 1
With water pump 4, pass through a lateral 7 between the water-main road before water pump 4 and the water-main road after water pump
Connection, form closed loop；And liquid flow direction in described lateral 7 in the flow direction of liquid and water-main road 1 on the contrary,
It is provided with described lateral 7 and inhales fertile device, described suction fertilizer device includes Venturi tube 9, mixed fertilizer batch can 12, divided
Branch pipe(tube) non-return valve 3b；Described Venturi tube 9 is installed on lateral, is connected with mixed fertilizer batch can 12, for absorbing
Fertilizer in fertilizer tank 12 is in lateral 7；Described lateral non-return valve 3b is installed on along the direction that liquid flows
The end of lateral；And PH sensings are installed on the lateral between Venturi tube 9 and lateral non-return valve
Device 10a, EC sensor 10b, described main non-return valve, water pump, branch non-return valve, PH sensor, EC sensors are by described control
System controls.
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 12, can
To detect the pressure of water-main road end, the explosion of pipeline is prevented；
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；Electric flow control valve is installed on lateral, can between lateral magnetic valve and Venturi tube
With by adjusting the flow of lateral to change the pressure of Venturi tube import；PH sensor, EC sensors are installed on lateral,
Between Venturi tube and lateral non-return valve, for the concentration of fertilizer in detection branches pipeline, PH sensor, EC sensings
Mounting distance between device and 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 start water pump, clear water is successively by centrifuge, sandrock filter, water-main road non-return valve, water pump, water
Table is pressed to enter 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 starts water pump, and clear water enters debranching enzyme by centrifuge, sandrock filter, non-return valve, water pump, a part of water successively
Pipeline, by electric flow control valve, fertilizer is sucked by Venturi tube, fertilizer is again introduced into water-main by non-return valve
Road, certain density fertilizer is formed, subsequently into the irrigation system in field, the signal that PH sensor, EC sensors are gathered, passed
Programmable logic controller (PLC) is given, according to the PH/EC values set in advance, electric flow control valve is adjusted by servo antrol
Aperture, change the inlet outlet pressure differential of Venturi tube, change the amount of suction fertilizer, so as to change the concentration of main pipeline fertilizer, make it
It is always held near the PH/EC values set in advance.The PH/EC values of fertilizer can be by program setting, and is stored in programmable
In the memory of logic controller.
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 of branch road detection, it is characterised in that including inhaling fertile device, water-main road, dividing
Branch pipe(tube) and control system；Main non-return valve and water pump, the master before water pump have been sequentially connected in series on described water-main road
Pass through a lateral between aqueduct and water-main road after water pump to connect, form closed loop；It is and described
Lateral in liquid flow direction and water-main road in liquid flow on the contrary, being provided with suction on described lateral
Fertile device, described suction fertilizer device include Venturi tube, mixed fertilizer batch can, branch non-return valve；Described Venturi tube is installed on point
On branch pipe(tube), it is connected with mixed fertilizer batch can, for absorbing the fertilizer in fertilizer tank in lateral；Described branch non-return valve
The direction flowed along liquid is installed on the end of lateral；And it is provided with the lateral after Venturi tube
PH sensor, EC sensors, described main non-return valve, water pump, branch non-return valve, PH sensor, EC sensors are by described control
System controls.
2. the water-fertilizer integral irrigation system of a kind of branch road detection as claimed in claim 1, it is characterised in that in described master
Main solenoid valve is also equipped with the water-main road of non-return valve front end, described main solenoid valve is controlled by control system.
3. the water-fertilizer integral irrigation system of a kind of branch road detection as claimed in claim 1, it is characterised in that described master is defeated
The end of waterpipe is provided with water pressure gauge and electromagnetic flowmeter.
A kind of 4. water-fertilizer integral irrigation system of branch road detection as claimed in claim 1, it is characterised in that described branch
Branch magnetic valve is installed, described branch magnetic valve is installed on the top of lateral, institute along the direction that liquid flows on pipeline
The branch magnetic valve stated is controlled by control system.
A kind of 5. water-fertilizer integral irrigation system of branch road detection as claimed in claim 1, it is characterised in that described branch
Electric flow control valve is installed, described electric flow control valve is arranged on point between Venturi tube and magnetic valve on pipeline
On branch pipe(tube)；Described electric flow control valve is located at the signal output part of control system.
6. the water-fertilizer integral irrigation system of a kind of branch road detection as claimed in claim 1, it is characterised in that described PH is passed
Sensor, EC sensors are connected with the signal input part of control system, and the signal input part of control system is also defeated with irrigation signal
Enter switch, fertilising signal input switch is connected.
A kind of 7. water-fertilizer integral irrigation system of branch road detection as claimed in claim 1, it is characterised in that PH sensor,
Mounting distance between EC sensors and electric flow control valve is less than 100m.
A kind of 8. water-fertilizer integral irrigation system of branch road detection as claimed in claim 1, it is characterised in that described control
System is programmable logic controller (PLC).
9. a kind of control method of the water-fertilizer integral irrigation system of branch road detection as described in claim 1-8 is any, it is special
Sign is,
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, adjusted by electric flow
Valve, fertilizer being sucked by Venturi tube, fertilizer is again introduced into water-main road by non-return valve, forms certain density fertilizer,
Subsequently into the irrigation system in field, the signal that PH sensor, EC sensors are gathered, programmable logic controller (PLC) is sent to,
According to the PH/EC values set in advance, the aperture of electric flow control valve is adjusted by servo antrol, changes entering for Venturi tube
Pressure difference is exported, changes the amount of suction fertilizer, so as to change the concentration of main pipeline fertilizer, it is always held at what is set in advance
Near PH/EC values.
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Cited By (4)
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| CN108811658A (en) * | 2018-05-29 | 2018-11-16 | 中国农业大学 | A kind of Variable Fertilization System and its control method |
| CN109277362A (en) * | 2018-11-07 | 2019-01-29 | 石河子大学 | A kind of the pipeline electromagnetic valve cleaning device and control method of liquid fertilizer fertilization system |
| CN111742680A (en) * | 2020-07-27 | 2020-10-09 | 台州筠岗铜业股份有限公司 | Intelligent irrigation valve, irrigation system and irrigation method capable of controlling pipe conditions |
| CN112889448A (en) * | 2021-04-02 | 2021-06-04 | 西北农林科技大学 | Water and fertilizer machine actively regulated and controlled based on pipe network terminal information and use method thereof |
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| CN109277362B (en) * | 2018-11-07 | 2023-09-26 | 石河子大学 | Pipeline electromagnetic valve cleaning device of liquid fertilizer applying system and control method |
| CN111742680A (en) * | 2020-07-27 | 2020-10-09 | 台州筠岗铜业股份有限公司 | Intelligent irrigation valve, irrigation system and irrigation method capable of controlling pipe conditions |
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Application publication date: 20180119 |