CN104969708B - A kind of variable irrigation fertilizer apparatus and its control method - Google Patents
A kind of variable irrigation fertilizer apparatus and its control method Download PDFInfo
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- CN104969708B CN104969708B CN201510376413.4A CN201510376413A CN104969708B CN 104969708 B CN104969708 B CN 104969708B CN 201510376413 A CN201510376413 A CN 201510376413A CN 104969708 B CN104969708 B CN 104969708B
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- 239000003337 fertilizer Substances 0.000 title claims abstract description 52
- 230000002262 irrigation Effects 0.000 title claims abstract description 30
- 238000003973 irrigation Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000012452 mother liquor Substances 0.000 claims abstract description 318
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 65
- 238000010926 purge Methods 0.000 claims abstract description 32
- 238000005406 washing Methods 0.000 claims abstract description 25
- 239000007788 liquid Substances 0.000 claims abstract description 9
- 235000015097 nutrients Nutrition 0.000 claims description 13
- 230000003993 interaction Effects 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 7
- 230000005484 gravity Effects 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 238000012360 testing method Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 210000003608 fece Anatomy 0.000 abstract 1
- 239000010871 livestock manure Substances 0.000 abstract 1
- 230000003139 buffering effect Effects 0.000 description 6
- 238000011161 development Methods 0.000 description 3
- 230000004720 fertilization Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 2
- 239000003621 irrigation water Substances 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 239000002420 orchard Substances 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
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- Fertilizing (AREA)
Abstract
The present invention relates to a kind of variable irrigation fertilizer apparatus and its control method, belong to fertigation technical field.The present invention includes current magnetic valve, flow transmitter, mixing baffle-box, 3 mother liquor tanks, 3 mother liquor magnetic valves, solenoid purge valve and controller；The water inlet of the mixing baffle-box is connected with the port of export of flow transmitter, the arrival end of flow transmitter is connected with the port of export of the current magnetic valve, the arrival end of current magnetic valve is connected with water source main pipe, the delivery port of mixing baffle-box is connected with the entrance of micro-inertial devices, and the washing outlet of mixing baffle-box is connected with the arrival end of solenoid purge valve；The current magnetic valve, flow transmitter, 3 mother liquor magnetic valves and solenoid purge valve are connected with the controller respectively.The present invention is simple in construction, can automatically control the fertigation simultaneously of a variety of solutions, and fertilising concentration and dose are not influenceed by entrance current, and liquid manure mixing, without external impetus, energy consumption is small.
Description
Technical field
The present invention relates to a kind of variable irrigation fertilizer apparatus and its control method, belong to fertigation technical field.
Background technology
Irrigation system has the important work become increasingly conspicuous in terms of development industrialized agriculture, water-saving agriculture and the ecological agriculture
With fertigation, as the main contents of irrigation system, is to realize high crop yield, the important technical of efficient and high-quality.
At present, both at home and abroad conventional fertigation mode have mechanical pouring-in, hydro powered proportion expression fertilizing pump, it is differential
Fertilizer spreading tank and Development of Venturi Fertilizer Applicator etc..Being mechanically injected formula has the input uniform advantage of fertilizer solution concentration, but needs pump and power to fill
Put, equipment investment and energy consumption are larger, and it need to be managed and safeguarded；Hydro powered proportion expression fertilizing pump, which is utilized, enters pump
Solution is injected irrigation conduit by water body formation pressure difference head as power, driving piston or barrier film, and fertilising precision is high, work is steady
It is fixed, but its Application Ratio is only dependent upon pipeline pressure and flow, it is difficult to control concentration of applying fertilizer in itself by fertilizing pump, and its into
This is very high；The simple in construction of pressure differential tank, cost are low, but have the shortcomings that fertilising concentration is pre-large post-small, i.e., applied in irrigation
During fertilizer, concentration of fertilizer in tank is gradually reduced as irrigation water constantly enters in liquid fertilizer basin, applied so as to have a strong impact on
Fertilizer efficiency fruit；Development of Venturi Fertilizer Applicator is because simple in construction, cost is low, easy to use and extensively should the advantages of being not required to external impetus
With its shortcoming is the main acceptor's tube inlet water currents of fertilizer-sucting quantity, and fertilizer applicator in itself can not active regulated fertilization concentration.And
And, above-mentioned fertigation mode is in addition to formula is mechanically injected, it is difficult to which realization is automatically controlled, and can only be to single fertilizer solution or nutrition
Liquid is applied fertilizer in real time, to apply a variety of solutions or nutrient solution, can only timesharing carry out or beforehand through manually by a variety of fertilizer
Solution or nutrient solution mixing, waste time and energy, easily cause the waste of premix solution.
In summary, current fertigation field is disadvantageous in that cost performance is not high-leveled and difficult with popularization and application or inconvenience
Automatic ration regulated fertilization concentration.
The content of the invention
The technical problem to be solved in the present invention is：The present invention provide a kind of low cost, low-power consumption, can be while to a variety of solutions
Or the variable irrigation fertilizer apparatus that is applied fertilizer of nutrient solution and its control method, the sexual valence for solving current fertigation field
Than it is not high-leveled and difficult with popularization and application or inconvenient automatic ration regulated fertilization concentration the problem of.
The technical scheme is that：A kind of variable irrigation fertilizer apparatus, including it is current magnetic valve 1, flow transmitter 2, mixed
Close baffle-box 3, mother liquor tank, mother liquor magnetic valve, solenoid purge valve 6 and controller 7；It is described mixing baffle-box 3 provided with water inlet 34,
Delivery port 35, the first mother liquor entrance 31, the second mother liquor entrance 32, the 3rd mother liquor entrance 33, washing outlet 36；The mother liquor tank bag
Include the first mother liquor tank 41, the second mother liquor tank 42 and the 3rd mother liquor tank 43；The mother liquor magnetic valve include the first mother liquor magnetic valve 51,
Second mother liquor magnetic valve 52 and the 3rd mother liquor magnetic valve 53；The controller 7 includes single-chip microcomputer MSP430F2132, magnetic valve and driven
Dynamic circuit and man-machine interaction unit；
The water inlet 34 of the mixing baffle-box 3 is connected with the port of export of flow transmitter 2, the entrance of flow transmitter 2
End is connected with the port of export of the current magnetic valve 1, and the arrival end of current magnetic valve 1 is connected with water source main pipe, mixing buffering
The delivery port 35 of case 3 is connected with the entrance of micro-inertial devices；First mother liquor entrance 31, the second mother liquor entrance 32 and the 3rd mother liquor entrance
33 port of export respectively with the first mother liquor magnetic valve 51, the second mother liquor magnetic valve 52 and the 3rd mother liquor magnetic valve 53 is connected, and first
The arrival end of mother liquor magnetic valve 51, the second mother liquor magnetic valve 52 and the 3rd mother liquor magnetic valve 53 respectively with the first mother liquor tank 41,
Two mother liquor tanks 42 are connected with the outlet of the 3rd mother liquor tank 43, mix the washing outlet 36 of baffle-box 3 and the entrance of solenoid purge valve 6
End is connected；
The current magnetic valve 1, the first mother liquor magnetic valve 51, the second mother liquor magnetic valve 52, the and of the 3rd mother liquor magnetic valve 53
Output end of the control end of solenoid purge valve 6 respectively with the driving circuit for electromagnetic valve is connected, the input of driving circuit for electromagnetic valve
End is connected with single-chip microcomputer MSP430F2132 I/O ports, output end and the single-chip microcomputer MSP430F2132 of the flow transmitter 2
External interrupt port be connected.
The mixing baffle-box 3 is the cylindrical shape of horizontal positioned, is made up of PVC materials integrated molding, and mixing is slow
The length for rushing case 3 is 3 times of its cross-sectional diameter, and water inlet 34 thereon, delivery port 35, mother liquor entrance and washing outlet 36 are equal
For pipe interface, mother liquor entrance includes the first mother liquor entrance 31, the second mother liquor entrance 32, the 3rd mother liquor entrance 33, water inlet 34
Caliber with delivery port 35 is mix the cross-sectional diameter of baffle-box 3 1/3, and the caliber of three mother liquor entrances is identical and is no more than
The 1/2 of the caliber of water inlet 34, the caliber of washing outlet 36 is not more than the caliber of water inlet 34 and not less than the caliber of mother liquor entrance；
Water inlet 34 and delivery port 35, which are respectively perpendicular, to be installed on two bottom surfaces of the mixing cylindrical structure of baffle-box 3, and makes water inlet
34 and the center of circle of delivery port 35 be respectively positioned in bottom surface perpendicular to horizontal direction diametrically and away from the 1/3 of mixing baffle-box 3 top
Place；Three mother liquor entrances make the first mother liquor entrance 31 be located at away from mixing buffering equidistantly located at the surface of mixing baffle-box 3
At the entrance bottom surface 5cm of case 3, position of the 3rd mother liquor entrance 33 on mixing baffle-box 3 is no more than the mixing total length of baffle-box 3
2/3；Such structure design, can be such that water and fertilizer mother liquor or nutrient solution is passed through again after being sufficiently mixed uniformly in mixing baffle-box 3
Delivery port 35 flows out.Washing outlet 36 is immediately below mixing baffle-box 3 and close to delivery port 35, for draining mixing baffle-box
Remaining solution or cleaning fluid in 3.
The flow transmitter 2 is that operating voltage is the electromagnetic flow transmitter that DC12V, output signal are 0 ~ 1kHz.Nothing
Stifled stream unit, to entrance current almost without the pressure loss, the output end of electromagnetic flow transmitter is with single-chip microcomputer MSP430F2132's
External interrupt INT0 port is connected, and the inspection of electromagnetic flow transmitter output frequency is realized using the external counting function of single-chip microcomputer
Survey, the flow of entrance current is then scaled according to the relation of the output frequency of electromagnetic flow transmitter and flow.Single-chip microcomputer with
The connection of electromagnetic flow transmitter and detection to frequency are routine techniques.
The current magnetic valve 1, the first mother liquor magnetic valve 51, the second mother liquor magnetic valve 52, the and of the 3rd mother liquor magnetic valve 53
Solenoid purge valve 6 is impulse electromagnetic valve, and the ON/OFF action of its valve only needs forwards/reverse to pass through width about 30ms, a width
Spending can be completed for 3 ~ 9V DC pulse voltage, and the open/close state of valve is maintained without electric energy, belongs to low-power consumption device
Part；The caliber that the size of each valve should be interfaced is adapted, wherein the first mother liquor magnetic valve 51, the second mother liquor magnetic valve
52nd, the specification of the 3rd mother liquor magnetic valve 53 is identical.
First mother liquor tank 41, the second mother liquor tank 42 are identical with the specification of the 3rd mother liquor tank 43, by transparent organic glass
Material integrated molding and be made, including two large divisions up and down, upper part is in cylindrical shape, and at the cylinder upper bottom surface center
Circle of the place provided with an a diameter of upper bottom surface diameter 1/3 is open, female for adding fertilizer mother liquor or nutrient solution into mother liquor tank
Liquid, lower part is in funnel-form, it is easy to fertilizer mother liquor or the outflow of nutrient solution mother liquor in mother liquor tank；First mother liquor tank 41, second is female
The mother liquor tank 43 of flow container 42 and the 3rd contains the fertilizer mother liquor or nutrient solution mother liquor of heterogeneity respectively, and is respectively perpendicular setting installation
In mixing baffle-box 3 the first mother liquor entrance 31, the second mother liquor entrance 32 and the 3rd mother liquor entrance 33 on, three mother liquor tanks（The
One mother liquor tank 41, the second mother liquor tank 42 and the 3rd mother liquor tank 43）Pass through three mother liquor magnetic valves respectively（First mother liquor magnetic valve
51st, the second mother liquor magnetic valve 52 and the 3rd mother liquor magnetic valve 53）With three mother liquor entrances（First mother liquor entrance 31, the second mother liquor
The mother liquor entrance 33 of entrance 32 and the 3rd）It is connected, so the outflow mother liquor in each mother liquor tank can be individually controlled, when corresponding
Mother liquor magnetic valve when opening, the mother liquor in mother liquor tank voluntarily flows out under gravity, because mother liquid flow rate is relatively small, female
The flow of each moment of liquid under gravity can approximately equal, so as to according to the opening time of mother liquor magnetic valve control mother liquor
Discharge.Under different mother liquor entrance calibers, the flow of mother liquor under gravity can be drawn by experiment.
Further, mother liquor entrance can be set up on mixing baffle-box 3 according to the practical situations of fertigation,
Correspondingly set up mother liquor tank and mother liquor magnetic valve simultaneously.
Further, the man-machine interaction unit is made up of a segment liquid crystal display module HT1621 and 4 buttons, mainly
For setting fertilising concentration, dose and control mode etc., and display current fertilising concentration, current dose and fertilising
The information such as state.The connection of the single-chip microcomputer and LCD MODULE HT1621 and 4 buttons, and to showing the place with button
Reason, is routine techniques, it is seen that《The design of venturi variable fertilizer applicator and experiment based on PWM》One text, herein without detailed
State.
Further, the driving circuit for electromagnetic valve includes the H-bridge circuit that 5 identicals are made up of metal-oxide-semiconductor, each H bridges
Circuit is used to control a magnetic valve.The bridge arm of H-bridge circuit is connected with the I/O ports of single-chip microcomputer respectively, passes through the I/O of single-chip microcomputer
The conducting and cut-off of port controlling metal-oxide-semiconductor, so as to realize the control of electromagnetic valve switch action.The composition of H-bridge circuit, H-bridge circuit
It is routine techniques, it is seen that patent ZL with the connection of single-chip microcomputer, magnetic valve, and control of the single-chip microcomputer to H-bridge circuit
201110191987.6《Water-fertilizer integrated drop irrigation automatic control device used in orchard and its control method》, herein without being described in detail.
A kind of variable irrigation fertilizer apparatus control method, comprising the following steps that for methods described is shown：
1）Fertilizer Type, fertilising concentration, dose and control mode etc. are set by the man-machine interaction unit of controller 7 to fill
Irrigate fertilising information；
2）If control mode is when pouring water, only to open current magnetic valve 1 by controller 7, and enable flow transmitter 2
Detect an entrance water-carrying capacity each second, then water-carrying capacity adds up to calculate irrigation quantity in water-pouring process, when irrigation quantity reaches
To then closing current magnetic valve 1 by controller 7 during setting value and disabling flow transmitter 2, stop pouring water；
3）If control mode is fertigation, first passes through controller 7 and open current magnetic valve 1, and enable flow pick-up
Device 2 detects entrance water-carrying capacity in real time, is then calculated according to flow detection information every five seconds for example clock and once flows into the water for mixing baffle-box 3
Amount；
4）According to the Fertilizer Type of setting and fertilising concentration, based on every five seconds for example clock flows into the water of mixing baffle-box 3,
The first mother liquor tank 41, the second mother liquor tank 42 and fertilizer mother liquor or nutrient solution mother liquor discharge in the 3rd mother liquor tank 43 are calculated,
Then the flow of the mother liquor drawn according to testing under gravity, controls the first mother liquor magnetic valve 51, the second mother liquor electricity respectively
The opening of the mother liquor magnetic valve 53 of magnet valve 52 and the 3rd whether and its opening time, make corresponding mother liquor flow into mixing baffle-box 3 with
Water is mixed；
5）During fertigation, the mother liquor discharge of every five seconds for example clock is added up to obtain dose, and with setting
Dose be compared, when dose reaches setting value, then pass through controller 7 close the first mother liquor magnetic valve 51, second
Mother liquor magnetic valve 52, the 3rd mother liquor magnetic valve 53 and current magnetic valve 1, stop fertigation；
6）Solenoid purge valve 6 is opened by controller 7, makes remaining solution in mixing baffle-box 3 from the row of washing outlet 36
Go out, solenoid purge valve 6 is closed after 2 minutes and current magnetic valve 1 is opened 30 seconds, current is entered mixing baffle-box 3 with to it
It is rinsed, then solenoid purge valve 6 is opened again and closed after 2 minutes.
The beneficial effects of the invention are as follows：The apparatus structure is simple, can realize the quantitative control of irrigation water, again can simultaneously by
The fertilizer mother liquor or nutrient solution mother liquor of a variety of heterogeneities mixed with water progress fertigation automatically control, and fertilising concentration and
Dose is not influenceed by entrance current, can be according to the change adjust automatically mother liquor discharge of entrance water-carrying capacity；The energy consumption of device
The mixing of very little, water and mother liquor is without external impetus, only controller 7 and its to the flow transmitter 2 of external connection and pulse
Magnetic valve consumes a little electric energy；With the fertilizer mother liquor or nutrient solution mother liquor of the separately contained heterogeneity of multiple mother liquor tanks, it is easy to water
It can be mixed according to quantity on demand in real time with mother liquor.
Brief description of the drawings
Fig. 1 is the structural representation of fertigation device of the present invention.
Each label in Fig. 1：1- current magnetic valves, 2- flow transmitters, 3- mixing baffle-boxs, 31- the first mother liquor entrances,
32- the second mother liquor entrances, the mother liquor entrances of 33- the 3rd, 34- water inlets, 35- delivery ports, 36- washing outlets, the mother liquors of 41- first
Tank, the mother liquor tanks of 42- second, the mother liquor tanks of 43- the 3rd, 51- the first mother liquor magnetic valves, 52- the second mother liquor magnetic valves, 53- the 3rd is female
Liquid electromagnetic valve, 6- solenoid purge valves, 7- controllers.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the invention will be further described.
Embodiment 1：As shown in figure 1, a kind of variable irrigation fertilizer apparatus, including it is current magnetic valve 1, flow transmitter 2, mixed
Close baffle-box 3, mother liquor tank, mother liquor magnetic valve, solenoid purge valve 6 and controller 7；It is described mixing baffle-box 3 provided with water inlet 34,
Delivery port 35, the first mother liquor entrance 31, the second mother liquor entrance 32, the 3rd mother liquor entrance 33, washing outlet 36；The mother liquor tank bag
Include the first mother liquor tank 41, the second mother liquor tank 42 and the 3rd mother liquor tank 43；The mother liquor magnetic valve include the first mother liquor magnetic valve 51,
Second mother liquor magnetic valve 52 and the 3rd mother liquor magnetic valve 53；The controller 7 includes single-chip microcomputer MSP430F2132, magnetic valve and driven
Dynamic circuit and man-machine interaction unit；
The water inlet 34 of the mixing baffle-box 3 is connected with the port of export of flow transmitter 2, the entrance of flow transmitter 2
End is connected with the port of export of the current magnetic valve 1, and the arrival end of current magnetic valve 1 is connected with water source main pipe, mixing buffering
The delivery port 35 of case 3 is connected with the entrance of micro-inertial devices；First mother liquor entrance 31, the second mother liquor entrance 32 and the 3rd mother liquor entrance
33 port of export respectively with the first mother liquor magnetic valve 51, the second mother liquor magnetic valve 52 and the 3rd mother liquor magnetic valve 53 is connected, and first
The arrival end of mother liquor magnetic valve 51, the second mother liquor magnetic valve 52 and the 3rd mother liquor magnetic valve 53 respectively with the first mother liquor tank 41,
Two mother liquor tanks 42 are connected with the outlet of the 3rd mother liquor tank 43, mix the washing outlet 36 of baffle-box 3 and the entrance of solenoid purge valve 6
End is connected；
The current magnetic valve 1, the first mother liquor magnetic valve 51, the second mother liquor magnetic valve 52, the and of the 3rd mother liquor magnetic valve 53
Output end of the control end of solenoid purge valve 6 respectively with the driving circuit for electromagnetic valve is connected, the input of driving circuit for electromagnetic valve
End is connected with single-chip microcomputer MSP430F2132 I/O ports, output end and the single-chip microcomputer MSP430F2132 of the flow transmitter 2
External interrupt port be connected.
The mixing baffle-box 3 is the cylindrical shape of horizontal positioned, is made up of PVC materials integrated molding, and mixing is slow
The length for rushing case 3 is 3 times of its cross-sectional diameter, and water inlet 34 thereon, delivery port 35, mother liquor entrance and washing outlet 36 are equal
For pipe interface, mother liquor entrance includes the first mother liquor entrance 31, the second mother liquor entrance 32, the 3rd mother liquor entrance 33, water inlet 34
Caliber with delivery port 35 is mix the cross-sectional diameter of baffle-box 3 1/3, and the caliber of three mother liquor entrances is identical and is no more than
The 1/2 of the caliber of water inlet 34, the caliber of washing outlet 36 is not more than the caliber of water inlet 34 and not less than the caliber of mother liquor entrance；
Water inlet 34 and delivery port 35, which are respectively perpendicular, to be installed on two bottom surfaces of the mixing cylindrical structure of baffle-box 3, and makes water inlet
34 and the center of circle of delivery port 35 be respectively positioned in bottom surface perpendicular to horizontal direction diametrically and away from the 1/3 of mixing baffle-box 3 top
Place；Three mother liquor entrances make the first mother liquor entrance 31 be located at away from mixing buffering equidistantly located at the surface of mixing baffle-box 3
At the entrance bottom surface 5cm of case 3, position of the 3rd mother liquor entrance 33 on mixing baffle-box 3 is no more than the mixing total length of baffle-box 3
2/3；Washing outlet 36 is immediately below mixing baffle-box 3 and close to delivery port 35.
The flow transmitter 2 is electromagnetic flow transmitter, and its operating voltage is DC12V, and output signal is 0 ~ 1kHz, electricity
The output end of magnetic flow transmitter is connected with single-chip microcomputer MSP430F2132 external interrupt INT0 port.
The current magnetic valve 1, the first mother liquor magnetic valve 51, the second mother liquor magnetic valve 52, the and of the 3rd mother liquor magnetic valve 53
Solenoid purge valve 6 is impulse electromagnetic valve, and the caliber that the size of each valve is interfaced is adapted, the first mother liquor magnetic valve
51st, the second mother liquor magnetic valve 52, the 3rd mother liquor magnetic valve 53 specification it is identical.
First mother liquor tank 41, the second mother liquor tank 42 are identical with the specification of the 3rd mother liquor tank 43, by transparent organic glass
Material integrated molding and be made, including two large divisions up and down, upper part is in cylindrical shape, and at the cylinder upper bottom surface center
Circle of the place provided with an a diameter of upper bottom surface diameter 1/3 is open, and lower part is in funnel-form；First mother liquor tank 41, the second mother liquor
The mother liquor tank 43 of tank 42 and the 3rd, is respectively perpendicular the first mother liquor entrance 31, the second mother liquor entrance erect and be installed on mixing baffle-box 3
32 and the 3rd on mother liquor entrance 33.
A kind of variable irrigation fertilizer apparatus control method, comprising the following steps that for methods described is shown：
1）Fertilizer Type, fertilising concentration, dose and control mode etc. are set by the man-machine interaction unit of controller 7 to fill
Irrigate fertilising information；
2）If control mode is when pouring water, only to open current magnetic valve 1 by controller 7, and enable flow transmitter 2
Detect an entrance water-carrying capacity each second, then water-carrying capacity adds up to calculate irrigation quantity in water-pouring process, when irrigation quantity reaches
To then closing current magnetic valve 1 by controller 7 during setting value and disabling flow transmitter 2, stop pouring water；
3）If control mode is fertigation, first passes through controller 7 and open current magnetic valve 1, and enable flow pick-up
Device 2 detects entrance water-carrying capacity in real time, is then calculated according to flow detection information every five seconds for example clock and once flows into the water for mixing baffle-box 3
Amount；
4）According to the Fertilizer Type of setting and fertilising concentration, based on every five seconds for example clock flows into the water of mixing baffle-box 3,
The first mother liquor tank 41, the second mother liquor tank 42 and fertilizer mother liquor or nutrient solution mother liquor discharge in the 3rd mother liquor tank 43 are calculated,
Then the flow of the mother liquor drawn according to testing under gravity, controls the first mother liquor magnetic valve 51, the second mother liquor electricity respectively
The opening of the mother liquor magnetic valve 53 of magnet valve 52 and the 3rd whether and its opening time, make corresponding mother liquor flow into mixing baffle-box 3 with
Water is mixed；
5）During fertigation, the mother liquor discharge of every five seconds for example clock is added up to obtain dose, and with setting
Dose be compared, when dose reaches setting value, then pass through controller 7 close the first mother liquor magnetic valve 51, second
Mother liquor magnetic valve 52, the 3rd mother liquor magnetic valve 53 and current magnetic valve 1, stop fertigation；
6）Solenoid purge valve 6 is opened by controller 7, makes remaining solution in mixing baffle-box 3 from the row of washing outlet 36
Go out, solenoid purge valve 6 is closed after 2 minutes and current magnetic valve 1 is opened 30 seconds, current is entered mixing baffle-box 3 with to it
It is rinsed, then solenoid purge valve 6 is opened again and closed after 2 minutes.
Embodiment 2：As shown in figure 1, a kind of variable irrigation fertilizer apparatus, including it is current magnetic valve 1, flow transmitter 2, mixed
Close baffle-box 3, mother liquor tank, mother liquor magnetic valve, solenoid purge valve 6 and controller 7；It is described mixing baffle-box 3 provided with water inlet 34,
Delivery port 35, the first mother liquor entrance 31, the second mother liquor entrance 32, the 3rd mother liquor entrance 33, washing outlet 36；The mother liquor tank bag
Include the first mother liquor tank 41, the second mother liquor tank 42 and the 3rd mother liquor tank 43；The mother liquor magnetic valve include the first mother liquor magnetic valve 51,
Second mother liquor magnetic valve 52 and the 3rd mother liquor magnetic valve 53；The controller 7 includes single-chip microcomputer MSP430F2132, magnetic valve and driven
Dynamic circuit and man-machine interaction unit；
The water inlet 34 of the mixing baffle-box 3 is connected with the port of export of flow transmitter 2, the entrance of flow transmitter 2
End is connected with the port of export of the current magnetic valve 1, and the arrival end of current magnetic valve 1 is connected with water source main pipe, mixing buffering
The delivery port 35 of case 3 is connected with the entrance of micro-inertial devices；First mother liquor entrance 31, the second mother liquor entrance 32 and the 3rd mother liquor entrance
33 port of export respectively with the first mother liquor magnetic valve 51, the second mother liquor magnetic valve 52 and the 3rd mother liquor magnetic valve 53 is connected, and first
The arrival end of mother liquor magnetic valve 51, the second mother liquor magnetic valve 52 and the 3rd mother liquor magnetic valve 53 respectively with the first mother liquor tank 41,
Two mother liquor tanks 42 are connected with the outlet of the 3rd mother liquor tank 43, mix the washing outlet 36 of baffle-box 3 and the entrance of solenoid purge valve 6
End is connected；
The current magnetic valve 1, the first mother liquor magnetic valve 51, the second mother liquor magnetic valve 52, the and of the 3rd mother liquor magnetic valve 53
Output end of the control end of solenoid purge valve 6 respectively with the driving circuit for electromagnetic valve is connected, the input of driving circuit for electromagnetic valve
End is connected with single-chip microcomputer MSP430F2132 I/O ports, output end and the single-chip microcomputer MSP430F2132 of the flow transmitter 2
External interrupt port be connected.
The mixing baffle-box 3 is the cylindrical shape of horizontal positioned, is made up of PVC materials integrated molding, and mixing is slow
The length for rushing case 3 is 3 times of its cross-sectional diameter, and water inlet 34 thereon, delivery port 35, mother liquor entrance and washing outlet 36 are equal
For pipe interface, mother liquor entrance includes the first mother liquor entrance 31, the second mother liquor entrance 32, the 3rd mother liquor entrance 33, water inlet 34
Caliber with delivery port 35 is mix the cross-sectional diameter of baffle-box 3 1/3, and the caliber of three mother liquor entrances is identical and is no more than
The 1/2 of the caliber of water inlet 34, the caliber of washing outlet 36 is not more than the caliber of water inlet 34 and not less than the caliber of mother liquor entrance；
Water inlet 34 and delivery port 35, which are respectively perpendicular, to be installed on two bottom surfaces of the mixing cylindrical structure of baffle-box 3, and makes water inlet
34 and the center of circle of delivery port 35 be respectively positioned in bottom surface perpendicular to horizontal direction diametrically and away from the 1/3 of mixing baffle-box 3 top
Place；Three mother liquor entrances make the first mother liquor entrance 31 be located at away from mixing buffering equidistantly located at the surface of mixing baffle-box 3
At the entrance bottom surface 5cm of case 3, position of the 3rd mother liquor entrance 33 on mixing baffle-box 3 is no more than the mixing total length of baffle-box 3
2/3；Washing outlet 36 is immediately below mixing baffle-box 3 and close to delivery port 35.
The flow transmitter 2 is electromagnetic flow transmitter, and its operating voltage is DC12V, and output signal is 0 ~ 1kHz, electricity
The output end of magnetic flow transmitter is connected with single-chip microcomputer MSP430F2132 external interrupt INT0 port.
The current magnetic valve 1, the first mother liquor magnetic valve 51, the second mother liquor magnetic valve 52, the and of the 3rd mother liquor magnetic valve 53
Solenoid purge valve 6 is impulse electromagnetic valve, and the caliber that the size of each valve is interfaced is adapted, the first mother liquor magnetic valve
51st, the second mother liquor magnetic valve 52, the 3rd mother liquor magnetic valve 53 specification it is identical.
First mother liquor tank 41, the second mother liquor tank 42 are identical with the specification of the 3rd mother liquor tank 43, by transparent organic glass
Material integrated molding and be made, including two large divisions up and down, upper part is in cylindrical shape, and at the cylinder upper bottom surface center
Circle of the place provided with an a diameter of upper bottom surface diameter 1/3 is open, and lower part is in funnel-form；First mother liquor tank 41, the second mother liquor
The mother liquor tank 43 of tank 42 and the 3rd, is respectively perpendicular the first mother liquor entrance 31, the second mother liquor entrance erect and be installed on mixing baffle-box 3
32 and the 3rd on mother liquor entrance 33.
Further, mother liquor entrance can be set up on mixing baffle-box 3 according to the practical situations of fertigation,
Correspondingly set up mother liquor tank and mother liquor magnetic valve simultaneously.
Further, the man-machine interaction unit is made up of a segment liquid crystal display module HT1621 and 4 buttons.
Further, the driving circuit for electromagnetic valve includes the H-bridge circuit that 5 identicals are made up of metal-oxide-semiconductor, H-bridge circuit
Bridge arm be connected respectively with the I/O ports of single-chip microcomputer.
A kind of variable irrigation fertilizer apparatus control method, comprising the following steps that for methods described is shown：
1）Fertilizer Type, fertilising concentration, dose and control mode etc. are set by the man-machine interaction unit of controller 7 to fill
Irrigate fertilising information；
2）If control mode is when pouring water, only to open current magnetic valve 1 by controller 7, and enable flow transmitter 2
Detect an entrance water-carrying capacity each second, then water-carrying capacity adds up to calculate irrigation quantity in water-pouring process, when irrigation quantity reaches
To then closing current magnetic valve 1 by controller 7 during setting value and disabling flow transmitter 2, stop pouring water；
3）If control mode is fertigation, first passes through controller 7 and open current magnetic valve 1, and enable flow pick-up
Device 2 detects entrance water-carrying capacity in real time, is then calculated according to flow detection information every five seconds for example clock and once flows into the water for mixing baffle-box 3
Amount；
4）According to the Fertilizer Type of setting and fertilising concentration, based on every five seconds for example clock flows into the water of mixing baffle-box 3,
The first mother liquor tank 41, the second mother liquor tank 42 and fertilizer mother liquor or nutrient solution mother liquor discharge in the 3rd mother liquor tank 43 are calculated,
Then the flow of the mother liquor drawn according to testing under gravity, controls the first mother liquor magnetic valve 51, the second mother liquor electricity respectively
The opening of the mother liquor magnetic valve 53 of magnet valve 52 and the 3rd whether and its opening time, make corresponding mother liquor flow into mixing baffle-box 3 with
Water is mixed；
5）During fertigation, the mother liquor discharge of every five seconds for example clock is added up to obtain dose, and with setting
Dose be compared, when dose reaches setting value, then pass through controller 7 close the first mother liquor magnetic valve 51, second
Mother liquor magnetic valve 52, the 3rd mother liquor magnetic valve 53 and current magnetic valve 1, stop fertigation；
6）Solenoid purge valve 6 is opened by controller 7, makes remaining solution in mixing baffle-box 3 from the row of washing outlet 36
Go out, solenoid purge valve 6 is closed after 2 minutes and current magnetic valve 1 is opened 30 seconds, current is entered mixing baffle-box 3 with to it
It is rinsed, then solenoid purge valve 6 is opened again and closed after 2 minutes.
The specific embodiment of the present invention is explained in detail above in conjunction with accompanying drawing, but the present invention is not limited to above-mentioned reality
Example is applied, can also be on the premise of present inventive concept not be departed from the knowledge that those of ordinary skill in the art possess
Various changes can be made.
Claims (6)
1. a kind of variable irrigation fertilizer apparatus, it is characterised in that：Including current magnetic valve（1）, flow transmitter（2）, mixing it is slow
Rush case（3）, mother liquor tank, mother liquor magnetic valve, solenoid purge valve（6）And controller（7）；The mixing baffle-box（3）It is provided with into water
Mouthful（34）, delivery port（35）, the first mother liquor entrance（31）, the second mother liquor entrance（32）, the 3rd mother liquor entrance（33）, washing outlet
（36）；The mother liquor tank includes the first mother liquor tank（41）, the second mother liquor tank（42）With the 3rd mother liquor tank（43）；The mother liquor electromagnetism
Valve includes the first mother liquor magnetic valve（51）, the second mother liquor magnetic valve（52）With the 3rd mother liquor magnetic valve（53）；The controller（7）
Including single-chip microcomputer MSP430F2132, driving circuit for electromagnetic valve and man-machine interaction unit；
The mixing baffle-box（3）Water inlet（34）With flow transmitter（2）The port of export be connected, flow transmitter（2）'s
Arrival end and the current magnetic valve（1）The port of export be connected, current magnetic valve（1）Arrival end be connected with water source main pipe,
Mix baffle-box（3）Delivery port（35）It is connected with the entrance of micro-inertial devices；First mother liquor entrance（31）, the second mother liquor entrance
（32）With the 3rd mother liquor entrance（33）Respectively with the first mother liquor magnetic valve（51）, the second mother liquor magnetic valve（52）With the 3rd mother liquor electricity
Magnet valve（53）The port of export be connected, the first mother liquor magnetic valve（51）, the second mother liquor magnetic valve（52）With the 3rd mother liquor magnetic valve
（53）Arrival end respectively with the first mother liquor tank（41）, the second mother liquor tank（42）With the 3rd mother liquor tank（43）Outlet be connected, mix
Close baffle-box（3）Washing outlet（36）With solenoid purge valve（6）Arrival end be connected；
The current magnetic valve（1）, the first mother liquor magnetic valve（51）, the second mother liquor magnetic valve（52）, the 3rd mother liquor magnetic valve
（53）And solenoid purge valve（6）Output end of the control end respectively with the driving circuit for electromagnetic valve be connected, solenoid-driven electricity
The input on road is connected with single-chip microcomputer MSP430F2132 I/O ports, the flow transmitter（2）Output end and single-chip microcomputer
MSP430F2132 external interrupt port is connected.
2. variable irrigation fertilizer apparatus according to claim 1, it is characterised in that：The mixing baffle-box（3）For level
The cylindrical shape of placement, is made up of PVC materials integrated molding, mixes baffle-box（3）Length be the 3 of its cross-sectional diameter
Times, water inlet thereon（34）, delivery port（35）, mother liquor entrance and washing outlet（36）It is pipe interface, mother liquor entrance bag
Include the first mother liquor entrance（31）, the second mother liquor entrance（32）, the 3rd mother liquor entrance（33）, water inlet（34）And delivery port（35）'s
Caliber is mixing baffle-box（3）The 1/3 of cross-sectional diameter, the caliber of three mother liquor entrances is identical and no more than water inlet（34）
The 1/2 of caliber, washing outlet（36）Caliber be not more than water inlet（34）Caliber and not less than mother liquor entrance caliber；Enter water
Mouthful（34）And delivery port（35）It is respectively perpendicular and is installed on mixing baffle-box（3）On two bottom surfaces of cylindrical structure, and make into water
Mouthful（34）And delivery port（35）The center of circle be respectively positioned in bottom surface perpendicular to horizontal direction diametrically and away from mixing baffle-box（3）Top
At the 1/3 of end；Three mother liquor entrances are equidistantly located at mixing baffle-box（3）Surface, and make the first mother liquor entrance（31）Position
In away from mixing baffle-box（3）At the 5cm of entrance bottom surface, the 3rd mother liquor entrance（33）In mixing baffle-box（3）On position be no more than
Mix baffle-box（3）The 2/3 of total length；Washing outlet（36）Located at mixing baffle-box（3）Underface and close delivery port（35）.
3. variable irrigation fertilizer apparatus according to claim 1, it is characterised in that：The flow transmitter（2）For work
Voltage is the electromagnetic flow transmitter that DC12V, output signal are 0 ~ 1kHz.
4. variable irrigation fertilizer apparatus according to claim 1, it is characterised in that：The current magnetic valve（1）, it is first female
Liquid electromagnetic valve（51）, the second mother liquor magnetic valve（52）, the 3rd mother liquor magnetic valve（53）And solenoid purge valve（6）It is pulse electromagnetic
Valve, the caliber that the size of each valve is interfaced is adapted, the first mother liquor magnetic valve（51）, the second mother liquor magnetic valve（52）、
3rd mother liquor magnetic valve（53）Specification it is identical.
5. variable irrigation fertilizer apparatus according to claim 1, it is characterised in that：First mother liquor tank（41）, second
Mother liquor tank（42）With the 3rd mother liquor tank（43）Specification it is identical, be made up of transparent organic glass material integrated molding, including
Two large divisions up and down, upper part is in cylindrical shape, and straight provided with an a diameter of upper bottom surface in the cylinder upper bottom surface center
The circle in footpath 1/3 is open, and lower part is in funnel-form；First mother liquor tank（41）, the second mother liquor tank（42）With the 3rd mother liquor tank（43）,
It is respectively perpendicular setting and is installed on mixing baffle-box（3）The first mother liquor entrance（31）, the second mother liquor entrance（32）With the 3rd mother liquor
Entrance（33）On.
6. a kind of variable irrigation fertilizer apparatus control method, it is characterised in that：Comprising the following steps that for methods described is shown：
1）Pass through controller（7）Man-machine interaction unit setting Fertilizer Type, fertilising concentration, dose and control mode irrigate and apply
Fertile information；
2）If control mode is when pouring water, to pass through controller（7）Only open current magnetic valve（1）, and enable flow transmitter
（2）Detect an entrance water-carrying capacity each second, then water-carrying capacity adds up to calculate irrigation quantity in water-pouring process, work as irrigation quantity
Then by controller when reaching setting value（7）Close current magnetic valve（1）And disable flow transmitter（2）, stop pouring water；
3）If control mode is fertigation, controller is first passed through（7）Open current magnetic valve（1）, and enable flow pick-up
Device（2）Detection entrance water-carrying capacity, then calculates according to flow detection information every five seconds for example clock and once flows into mixing baffle-box in real time（3）
Water；
4）According to the Fertilizer Type of setting and fertilising concentration, mixing baffle-box is flowed into every five seconds for example clock（3）Water based on, meter
Calculate the first mother liquor tank（41）, the second mother liquor tank（42）With the 3rd mother liquor tank（43）In fertilizer mother liquor or nutrient solution mother liquor outflow
Amount, the flow of the mother liquor then drawn according to testing under gravity, controls the first mother liquor magnetic valve respectively（51）, it is second female
Liquid electromagnetic valve（52）With the 3rd mother liquor magnetic valve（53）Opening whether and its opening time, corresponding mother liquor is flowed into mixing slow
Rush case（3）Mixed with water；
5）During fertigation, the mother liquor discharge of every five seconds for example clock is added up to obtain dose, and applied with setting
Fertilizer amount is compared, and when dose reaches setting value, then passes through controller（7）Close the first mother liquor magnetic valve（51）, second
Mother liquor magnetic valve（52）, the 3rd mother liquor magnetic valve（53）With current magnetic valve（1）, stop fertigation；
6）Pass through controller（7）Open solenoid purge valve（6）, solenoid purge valve is closed after 2 minutes（6）And make current magnetic valve
（1）Open 30 seconds, then again by solenoid purge valve（6）Closed after opening 2 minutes.
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| CN105723908B (en) * | 2016-02-22 | 2018-01-02 | 中国农业大学 | A kind of combined type inhales fertile device |
| CN106053555A (en) * | 2016-07-25 | 2016-10-26 | 昆明理工大学 | Online detecting device and method for fertilizer solution |
| CN106093144B (en) * | 2016-08-01 | 2019-07-05 | 昆明理工大学 | A kind of condenser type fertilizer solution concentration on-line measuring device |
| CN107673468B (en) * | 2017-10-31 | 2024-03-26 | 北京首旺科技有限公司 | Linear urban pipe network sewage drainage system, irrigation system, monitoring and control system capable of manufacturing organic fertilizer |
| CN109479485A (en) * | 2018-12-20 | 2019-03-19 | 朱媛 | A kind of field crop sprayer apparatus |
| CN110036741A (en) * | 2019-03-29 | 2019-07-23 | 新疆农垦科学院 | Fertilization control system and control method |
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| US6748884B1 (en) * | 2003-06-03 | 2004-06-15 | Case, Llc | Automatic liquid fertilizer rate system |
| CN201869634U (en) * | 2010-07-30 | 2011-06-22 | 李加念 | Energy-efficient and automatic control device for drip irrigation |
| CN102282955B (en) * | 2011-05-27 | 2013-03-06 | 华南农业大学 | Venturi variable fertilization device and control method based on pulse width modulation (PWM) |
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