CN107278815A - A kind of landscape irrigation system and control method for being adapted to a variety of special-shaped areas - Google Patents
A kind of landscape irrigation system and control method for being adapted to a variety of special-shaped areas Download PDFInfo
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- CN107278815A CN107278815A CN201710475950.3A CN201710475950A CN107278815A CN 107278815 A CN107278815 A CN 107278815A CN 201710475950 A CN201710475950 A CN 201710475950A CN 107278815 A CN107278815 A CN 107278815A
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- 230000002262 irrigation Effects 0.000 title claims abstract description 89
- 238000003973 irrigation Methods 0.000 title claims abstract description 89
- 238000000034 method Methods 0.000 title claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 230000006978 adaptation Effects 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims description 34
- 239000007921 spray Substances 0.000 claims description 28
- 239000012530 fluid Substances 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 230000001788 irregular Effects 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000003621 irrigation water Substances 0.000 abstract description 2
- 241000196324 Embryophyta Species 0.000 description 17
- 238000005457 optimization Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 241001464837 Viridiplantae Species 0.000 description 1
- 238000000205 computational method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/02—Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/16—Control of watering
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Environmental Sciences (AREA)
- Soil Sciences (AREA)
- Nozzles (AREA)
Abstract
The invention discloses a kind of landscape irrigation system and control method for being adapted to a variety of special-shaped areas, including water tank, gear pump, electro-hydraulic proportional reducing valve, stepper motor and jet pipe, the gear pump is arranged in water tank, the output end of gear pump is connected with the input of electro-hydraulic proportional reducing valve, the output end of electro-hydraulic proportional reducing valve is fixedly connected with jet pipe, and shower nozzle sleeve pipe is socketed with jet pipe, afterbody and the horizontal plane of shower nozzle sleeve pipe have angle α；The shower nozzle sleeve pipe is provided with quill gear, and the output shaft of stepper motor is connected with driving gear, and quill gear is connected with driving gear engagement.The beneficial effects of the invention are as follows：The sprinkling irrigation in irregular sprinkling irrigation region can be realized, and sprinkling irrigation region is accurately controlled；The sprinkling irrigation water to certain point can be controlled, the sprinkling irrigation requirement of the different plants to same gardens region is enabled adaptation to；More economized on water relative to traditional rainer.
Description
Technical field
It is a kind of gardens sprinkling irrigation for being adapted to a variety of special-shaped areas specifically the present invention relates to plant sprinkler irrigation technique field
System and control method.
Background technology
With the development of society, people increasingly pay attention to Urban Greening and gardens construction, but in daily ornamental plant shield
During reason, pour and operate burdensome, supplied water more than existing spray irrigation system using constant pressure, irrigation area region is more with circle
Based on shape or sector, and for square, rectangular irrigation area region, if to complete the spray of all green plantss
Fill, water will certainly be sprayed outside irrigation area region, this process causes great waste to water resource, and for such as three
The sprinkling irrigation of angular and other irregular figures, current spray irrigation system is difficult efficient realizes.At present, the sprinkling irrigation dress of in the market
It is simple mechanical rainer to put most, and its automaticity is not high, and is still that can not solve region of irregularly spraying
Accurate covering problem.
Therefore, design is a kind of can realize the sprinkling irrigation in irregular sprinkling irrigation region, and sprinkling irrigation region is accurately controlled
The spray irrigation system of system, is those skilled in the art's technical problem to be solved.
The content of the invention
, can it is an object of the invention to provide a kind of landscape irrigation system and control method for being adapted to a variety of special-shaped areas
The sprinkling irrigation in irregular sprinkling irrigation region is realized, and sprinkling irrigation region is accurately controlled.
The present invention is achieved through the following technical solutions：
A kind of landscape irrigation system and control method for being adapted to a variety of special-shaped areas, including the decompression of water tank, gear pump, electric-hydraulic proportion
Valve, stepper motor and jet pipe, the gear pump are arranged in water tank, the output end of gear pump and electro-hydraulic proportional reducing valve it is defeated
Enter end to be connected, the output end of electro-hydraulic proportional reducing valve is fixedly connected with jet pipe, and be socketed with jet pipe shower nozzle sleeve pipe, shower nozzle
The afterbody of sleeve pipe has angle α with horizontal plane；The shower nozzle sleeve pipe is provided with quill gear, and the output shaft of stepper motor is connected with
Driving gear, and the engagement of quill gear and driving gear is connected.
The gear pump is suctioned out the liquid in water tank with constant pressure, liquid is provided for spray irrigation system, by electro-hydraulic ratio
Example pressure-reducing valve is controlled to fluid pressure, the pressure that output nozzle sleeve pipe needs, and enables the water that shower nozzle sleeve pipe sprays by spraying
Head casing tube to sprinkling irrigation Boundary Moving；Driving gear on stepper motor is connected with the quill gear engagement on shower nozzle sleeve pipe, actively
Gear drives quill gear to rotate, and then drives shower nozzle sleeve pipe to rotate, and realizes the control to the shower nozzle sleeve pipe anglec of rotation, makes shower nozzle
After the plant that sleeve pipe has been sprayed between one group of shower nozzle sleeve pipe and sprinkling irrigation border, rotate to an angle, carry out another group of shower nozzle sleeve pipe
The sprinkling irrigation of plant between sprinkling irrigation border.
The present invention is controlled by electro-hydraulic proportional reducing valve to fluid pressure, and the liquid of ejection can be made to be accurate to up to spray
Border needed for filling, stepper motor drives shower nozzle sleeve pipe to rotate, and can make the liquid of ejection that area needed for sprinkling irrigation is completely covered
Region.
Further, in addition to spring collar, the shower nozzle sleeve side walls are provided with a annular grooves, jet pipe side wall and set
There are the b annular grooves being adapted to a annular grooves, spring collar is connected between a annular grooves and b annular grooves.Spring collar
Prevent shower nozzle sleeve pipe from being moved along the axis of jet pipe, and can only be rotated along the axis of jet pipe, so as to ensure that spray irrigation system is run
Stabilization.
Further, spring collar above quill gear is respectively equipped with the shower nozzle sleeve side walls, positioned at set
Spring collar below pipe gear.In the top of quill gear with being respectively arranged below spring collar, be conducive to further
Ensure that shower nozzle sleeve pipe is only capable of the axis rotation along jet pipe.
Further, 30 °≤α≤80 ° of angle between the shower nozzle afterbody and horizontal plane, can realize irrigation area region
Effective sprinkling irrigation.
Further, overflow valve is provided between the gear pump and electro-hydraulic proportional reducing valve, overflow valve can control sprinkling irrigation
The maximum pressure of system, prevents the pressure of spray irrigation system from causing the damage of spray irrigation system more than the rated pressure of gear pump.
A kind of control method for the landscape irrigation system for being adapted to a variety of special-shaped areas, the shower nozzle sleeve pipe is arranged on to be painted
Fill the liquid sprayed in the center of the boundary curve of surface area, shower nozzle sleeve pipe and irrigation area area is treated with radial sprinkling irrigation covering
The liquid sprayed in domain, or shower nozzle sleeve pipe covers surface area to be sprayed with the sprinkling irrigation of concentric boundary curve ring-type.
Further, the liquid sprayed in the shower nozzle sleeve pipe is in the radial method sprayed and cover surface area to be sprayed
Comprise the following steps：
Step S1, the shape of basis surface area to be sprayed set up coordinate system, and the border that measurement obtains surface area to be sprayed is bent
Line, it is O to calculate and obtain the geometric center to be painted for filling surface area, and shower nozzle sleeve pipe is arranged at geometric center O；
Step S2, the pressure for controlling electro-hydraulic proportional reducing valve, make liquid be sprayed at shower nozzle sleeve pipe to boundary curve；
Step S3, control stepper motor make the shower nozzle sleeve pipe anglec of rotation, while controlling the pressure of electro-hydraulic proportional reducing valve, make liquid
Sprayed again at shower nozzle sleeve pipe to boundary curve, until shower nozzle sleeve pipe is rotated by 360 °.
Further, the liquid sprayed in the shower nozzle sleeve pipe treats irrigation area with the sprinkling irrigation covering of concentric boundary curve ring-type
The method in region is that replacement step S2, step S3 are step S4, step S5：
Step S4, surface area to be sprayed is divided into the concentric boundary curves of a, the concentric boundary curves of b, boundary curve, same to time control
Electro-hydraulic proportional reducing valve and stepper motor processed, make liquid sentence constant pressure from shower nozzle sleeve pipe and spray to the concentric boundary curves of a
Place, and control stepper motor makes the shower nozzle sleeve pipe anglec of rotation simultaneously；
Step S5, control electro-hydraulic proportional reducing valve, increase the fluid pressure at shower nozzle sleeve pipe, and with pressure constant after increase
At sprinkling irrigation to the concentric boundary curves of b, and control stepper motor makes the shower nozzle sleeve pipe anglec of rotation simultaneously, until the sprinkling irrigation of shower nozzle sleeve pipe is arrived
Up at boundary curve.
Further, the boundary curve for treating irrigation area region carries out differential process, specifically includes following steps：
Step S6, take boundary curve and x-axis positive direction intersection point to be initial starting point A points, and B points, C are sequentially provided with along boundary curve
Point, until N points, and takes B points and the increment of x-axis positive direction to be△X, draw successively A points, B points, C points, N points and geometric center away from
It is respectively l from valueA0、lB0 、lC0 、lN0；
Step S7, take shower nozzle sleeve pipe to go to the rotation angle value that B points, B points gone to when C points, C points go to N points from A points to be followed successively by
αA、αB、αN；
Step S8, calculated according to bernoulli principle liquid reach A points, B points, C points, at N points when electro-hydraulic proportional reducing valve at
Pressure value is respectively PA、PB 、PC、PN；
Step S9, distance value, angle value, pressure value be combined to obtain the three-dimensional data value of corresponding points position successively be A points
（lA0、αA、PA）, B points（lB0、αB、PB）, C points（lC0、αC、PC）, N points（lN0、αN、PN）；
Step S10, control electro-hydraulic proportional reducing valve and stepper motor respectively reach the three-dimensional data value of each point position.
Further, time parameter t is sequentially added in the step S9 and correspondence each point three-dimensional data is A points（lA0、αA、
PA、tA）, B points（lB0、αB、PB、tB）, C points（lC0、αC、PC、tC）, N points（lN0、αN、PN、tN）, control the spray of electro-hydraulic proportional reducing valve
The filling time, control the rotation time of stepper motor.
The present invention compared with prior art, with advantages below and beneficial effect：
（1）The present invention, can realize the sprinkling irrigation in irregular sprinkling irrigation region, and sprinkling irrigation region is accurately controlled；
（2）The present invention, can control the sprinkling irrigation water to certain point, enable adaptation to the different plants in same gardens region
Sprinkling irrigation is required；
（3）The present invention, more economizes on water relative to traditional rainer.
Brief description of the drawings
Fig. 1 is the sectional view of shower nozzle sleeve pipe；
Fig. 2 is the attachment structure schematic diagram of quill gear and driving gear；
Fig. 3 is the attachment structure schematic diagram of shower nozzle sleeve pipe and spring collar；
Fig. 4 is the structural representation of spring collar；
Fig. 5 is a kind of landscape irrigation system and control method hydraulic schematic diagram for being adapted to a variety of special-shaped areas；
Fig. 6 is a kind of control method schematic diagram for the landscape irrigation system for being adapted to a variety of special-shaped areas；
Wherein：1-water tank, 2-gear pump, 3-electro-hydraulic proportional reducing valve, 4-overflow valve, 5-spring collar, 6-nozzle set
Pipe, 7-driving gear, 8-stepper motor, 9-quill gear, 10-motor base, 11-bolt of lower base, 12-jet pipe,
The concentric boundary curves of 13-a, the concentric boundary curves of 14-b, 15-boundary curve.
Embodiment
The present invention is described in further detail with reference to embodiment, but the implementation of the present invention is not limited to this.
Embodiment 1：
A kind of landscape irrigation system and control method for being adapted to a variety of special-shaped areas, as shown in Figures 1 to 6, including water tank 1, tooth
Wheel pump 2, electro-hydraulic proportional reducing valve 3, stepper motor 8 and jet pipe 12, the gear pump 2 is positioned in water tank 1, makes gear pump
2 output end is connected with the input of electro-hydraulic proportional reducing valve 3, and output end and the jet pipe 12 of electro-hydraulic proportional reducing valve 3 are fixed
Connection, and shower nozzle sleeve pipe 6 is set on jet pipe 12, shower nozzle sleeve pipe 6 is socketed on jet pipe 12, the shower nozzle sleeve pipe 6 is provided with
Quill gear 9, the output shaft of the stepper motor 8 is connected with driving gear 7, by quill gear 9 and the company of engagement of driving gear 7
Connect.
In use, according to surface area to be sprayed, setting up coordinate system, measurement obtains the boundary curve of surface area to be sprayed
Function, and the geometric center for obtaining the surface area is calculated, shower nozzle sleeve pipe 6 is arranged at geometric center, starts stepper motor
8, make driving gear 7 drive quill gear 9 to rotate, so as to drive shower nozzle sleeve pipe 6 to rotate.
Embodiment 2：
The present embodiment does further optimization on the basis of above-described embodiment, as shown in Figures 1 to 6, further, passes through computer
Or other controllers control electro-hydraulic proportional reducing valve 3, electro-hydraulic proportional reducing valve 3 is controlled the pressure of liquid, so that spray
The liquid sprayed in head casing tube 6 is sprayed at above-mentioned geometric center to the boundary position of boundary curve, or from boundary curve
Sprayed at boundary position to above-mentioned geometric center, to realize at above-mentioned geometric center and between the boundary position of boundary curve
Plant sprinkling irrigation.
After plant sprinkling irrigation at one group of geometric center and between the boundary position of boundary curve terminates, pass through computer
Or other controllers control stepper motor 8, shower nozzle sleeve pipe 6 is rotated certain angle, so as to carry out at next group of geometric center
Sprayed with the plant between the boundary position of boundary curve, repeating said steps can complete the accurate of irregular sprinkling irrigation region
Sprinkling irrigation.
Embodiment 3：
The present embodiment does further optimization on the basis of above-described embodiment, as shown in Figures 1 to 6, further, passes through computer
Or other controllers control electro-hydraulic proportional reducing valve 3 and stepper motor 8 simultaneously, electro-hydraulic proportional reducing valve 3 enters to the pressure of liquid
Row control, stepper motor 8 is controlled to the anglec of rotation of shower nozzle sleeve pipe 6, makes the liquid sprayed in shower nozzle sleeve pipe 6 around above-mentioned several
What center rotates in the concentric curve of boundary curve, after the plant sprinkling irrigation on one group of concentric curve terminates, electric-hydraulic proportion decompression
Valve 3 increases fluid pressure, carries out the plant sprinkling irrigation on next group of concentric curve, untill boundary curve is reached, so that real
Now to the Precision irrigation in irregular sprinkling irrigation region.
Embodiment 4：
The present embodiment does further optimization on the basis of above-described embodiment, as shown in Figures 1 to 6, further, and the present invention is also set
Spring collar 5 is equipped with, the side wall of the shower nozzle sleeve pipe 6 is provided with a annular grooves, and the side wall of jet pipe 12 is provided with recessed with a annulars
The b annular grooves of groove adaptation, spring collar 5 is connected between a annular grooves and b annular grooves, and in above-mentioned sleeve pipe tooth
The top of wheel 9 is with being respectively arranged below with spring collar 5.Spring collar 5 can prevent shower nozzle sleeve pipe 6 from the axis shifting along jet pipe 12
It is dynamic, and can only be rotated along the axis of jet pipe 12, so as to ensure that the stabilization of spray irrigation system operation.
Embodiment 5：
The present embodiment does further optimization on the basis of above-described embodiment, as shown in Figures 1 to 6, further, the nozzle set
Angle is 30 °≤α≤80 ° between the afterbody and horizontal plane of pipe 6, wherein especially to be optimal between 45 °≤α≤60 °.
According to actual test, best angle is 45 °.
According to physical knowledge： Vt= V0+ at
Wherein VtFor movement velocity, V0For initial velocity, a is acceleration, and t is the time；
By initial velocity V0It is decomposed into vertical direction speed VVWith horizontal direction speed VH, and set V0With VHBetween angle be β, i.e.,
It can obtain：
VV=V0Sin β, VH=V0·cosβ
Take VV=0, a=g（Acceleration of gravity）When, t=V can be obtained0·sinβ/g
Then shower nozzle sleeve pipe 6 can spray apart from l=VH·t= （V0·cosβ·V0·sinβ）/g
Therefore, when β takes 45 °, jet length is farthest, that is, shower nozzle sleeve pipe 6 is when with horizontal plane angle being 45 °, shower nozzle sleeve pipe 6
Interior liquid injection distance is farthest.
Embodiment 6：
The present embodiment does further optimization on the basis of above-described embodiment, as shown in Figures 1 to 6, further, the gear pump
Overflow valve 4 is provided between 2 and electro-hydraulic proportional reducing valve 3, overflow valve 4 can control the maximum pressure of spray irrigation system, prevents sprinkling irrigation
The pressure of system causes the damage of spray irrigation system more than the rated pressure of gear pump 2.
Embodiment 7：
The present embodiment does further optimization on the basis of above-described embodiment, as shown in Figures 1 to 6, further, the stepping electricity
The bottom of machine 8 is provided with motor base 10, and motor base 10 is provided with bolt of lower base 11, and stepper motor 8 can pass through bolt of lower base
11 are arranged on motor base 10, so that the stable operation for the motor 8 that ensures to improve.
Embodiment 8：
The present embodiment does further optimization on the basis of above-described embodiment, as shown in Figures 1 to 6, further, as a kind of real
Apply the liquid sprayed in scheme, the shower nozzle sleeve pipe 6 and surface area to be sprayed is covered with radial sprinkling irrigation, its specific method includes
Following steps：
Step S1, the shape of basis surface area to be sprayed set up coordinate system, and the border that measurement obtains surface area to be sprayed is bent
Line 15, it is O to calculate and obtain the geometric center to be painted for filling surface area, and shower nozzle sleeve pipe 6 is arranged at geometric center O；
Step S2, the pressure for controlling electro-hydraulic proportional reducing valve 3, make liquid be sprayed at shower nozzle sleeve pipe 6 to boundary curve 15, energy
Enough realize that the plant at geometric center O between boundary curve 15 is sprayed completely；
Step S3, control stepper motor 8 make the anglec of rotation of shower nozzle sleeve pipe 6, to carry out at geometric center O and side during next angle
The sprinkling irrigation of plant between boundary's curve 15, while controlling the pressure of electro-hydraulic proportional reducing valve 3, makes liquid again from shower nozzle sleeve pipe 6
At place's sprinkling irrigation to boundary curve 15, such iterative cycles, until shower nozzle sleeve pipe 6 is rotated by 360 °, you can realization entirely treats spray and filling surface
The sprinkling irrigation of plant in product region；
Step S6, take boundary curve 15 and x-axis positive direction intersection point to be initial starting point A points, and B is sequentially provided with along boundary curve 15
Point, C points, until N points, and take B points and the increment of x-axis positive direction to be△X, draws A points, B points, C points, N points and geometric center successively
Distance value be respectively lA0、lB0 、lC0 、lN0；
Step S7, take shower nozzle sleeve pipe 6 to go to the rotation angle value that B points, B points gone to when C points, C points go to N points from A points to be followed successively by
αA、αB、αN；
Step S8, calculated according to bernoulli principle liquid reach A points, B points, C points, at N points when electro-hydraulic proportional reducing valve 3 at
Pressure value is respectively PA、PB 、PC、PN；
Step S9, distance value, angle value, pressure value be combined to obtain the three-dimensional data value of corresponding points position successively be A points
（lA0、αA、PA）, B points（lB0、αB、PB）, C points（lC0、αC、PC）, N points（lN0、αN、PN）；
Step S10, control electro-hydraulic proportional reducing valve 3 respectively reach the three-dimensional data value of each point position with stepper motor 8.
Embodiment 9：
The present embodiment does further optimization on the basis of above-described embodiment, as shown in Figures 1 to 6, further, as another
The liquid sprayed in embodiment, the shower nozzle sleeve pipe 6 covers surface area to be sprayed with the sprinkling irrigation of concentric boundary curve ring-type, its
Specific method comprises the following steps：
Step S1, the shape of basis surface area to be sprayed set up coordinate system, and the border that measurement obtains surface area to be sprayed is bent
Line 15, it is O to calculate and obtain the geometric center to be painted for filling surface area, and shower nozzle sleeve pipe 6 is arranged at geometric center O；
Step S4, surface area to be sprayed is divided into the concentric boundary curves 13 of a, the concentric boundary curves 14 of b, boundary curve 15,
Control electro-hydraulic proportional reducing valve 3 and stepper motor 8 simultaneously, make liquid from shower nozzle sleeve pipe 6 sentence constant pressure spray it is concentric to a
At boundary curve 13, and control stepper motor 8 makes the anglec of rotation of shower nozzle sleeve pipe 6 simultaneously, so shower nozzle sleeve pipe 6 can be made first to spray
Plant in the complete concentric boundary curves 13 of a；
Step S5, control electro-hydraulic proportional reducing valve 3, increase the fluid pressure at shower nozzle sleeve pipe 6, and with pressure constant after increase
Power is sprayed to the concentric boundary curves 14 of b, and control stepper motor 8 makes the anglec of rotation of shower nozzle sleeve pipe 6 simultaneously, can so make spray
Head casing tube 6 continues plant spray between the concentric boundary curves 14 of the concentric boundary curve 13 and b of a, up to shower nozzle sleeve pipe 6 is sprayed
Reach at boundary curve 15, you can realize the sprinkling irrigation of plant in whole surface area to be sprayed；
Step S6, take boundary curve 15 and x-axis positive direction intersection point to be initial starting point A points, and B is sequentially provided with along boundary curve 15
Point, C points, until N points, and take B points and the increment of x-axis positive direction to be△X, draws A points, B points, C points, N points and geometric center successively
Distance value be respectively lA0、lB0 、lC0 、lN0；
Step S7, take shower nozzle sleeve pipe 6 to go to the rotation angle value that B points, B points gone to when C points, C points go to N points from A points to be followed successively by
αA、αB、αN；
Step S8, calculated according to bernoulli principle liquid reach A points, B points, C points, at N points when electro-hydraulic proportional reducing valve 3 at
Pressure value is respectively PA、PB 、PC、PN；
Step S9, distance value, angle value, pressure value be combined to obtain the three-dimensional data value of corresponding points position successively be A points
（lA0、αA、PA）, B points（lB0、αB、PB）, C points（lC0、αC、PC）, N points（lN0、αN、PN）；
Step S10, control electro-hydraulic proportional reducing valve 3 respectively reach the three-dimensional data value of each point position with stepper motor 8.
Embodiment 10：
The present embodiment does further optimization on the basis of above-described embodiment, as shown in Figures 1 to 6, further, if A point coordinates
For XA, A points are l with origin of coordinates distanceA0, XAIn X-axis, then f（x）=0；If B points are relative to A point X-coordinate increments△X, then B
Point coordinates is XB=XA-△X, YB= f（XB）, can obtain B points to the origin of coordinates distance be lB0, it is former to coordinate until calculating N points
Point distance is lN0, therefore, it is possible to obtain A points, B points, C points, N points and the distance value respectively l of geometric centerA0、lB0 、lC0 、
lN0。
Embodiment 11：
The present embodiment does further optimization on the basis of above-described embodiment, as shown in Figures 1 to 6, further, if A points and B points
Between angle be ∠ AOB, then can/enough draw ∠ AOB=arctan（XB/YB）, that is, obtain αA, can similarly obtain αB、αN。
Embodiment 12：
The present embodiment does further optimization on the basis of above-described embodiment, as shown in Figures 1 to 6, further, according to Bernoulli Jacob
Principle, it is assumed that be 1 section at electro-hydraulic proportional reducing valve 3, the outlet port of shower nozzle sleeve pipe 6 is the gravitational potential at 2 sections, and 1 section
Can be Z1, the gravitional force at 2 sections is Z2, and Z1 =Z2, the pressure P at 2 sections2Speed u at=0,2 sections2>=1 section
The speed u at place1, pass through Z1+ P1/（ρg）+ u1 2/2g=Z2+ P2/（ρg）+ u2 2/ 2g, can be derived that：P1 =ρ·u2 2/2。
Therefore, above-mentioned P is passed through1Computational methods can obtain the pressure value respectively P at electro-hydraulic proportional reducing valve 3A、PB
、PC、PN。
When controlling electro-hydraulic proportional reducing valve 3 to respectively reach the three-dimensional data value of each point position with stepper motor 8, you can success
Realize the Precision irrigation in irregular sprinkling irrigation region.
Embodiment 13：
The present embodiment does further optimization on the basis of above-described embodiment, as shown in Figures 1 to 6, further, by electro-hydraulic
Proportional pressure-reducing valve 3 adds time control parameter with stepper motor 8, and control shower nozzle sleeve pipe 6 is in the stagnation of each increment corner
Between, the purpose of the sprinkling irrigation amount of liquid of control every bit can be reached, so as to realize the different plants adapted to same gardens region
Sprinkling irrigation require purpose.
It is described above, be only presently preferred embodiments of the present invention, any formal limitation not done to the present invention, it is every according to
According to the present invention technical spirit above example is made any simple modification, equivalent variations, each fall within the present invention protection
Within the scope of.
Claims (10)
1. a kind of landscape irrigation system for being adapted to a variety of special-shaped areas, it is characterised in that：Including water tank（1）, gear pump（2）, electricity
Liquid proportional pressure-reducing valve（3）, stepper motor（8）And jet pipe（12）, the gear pump（2）It is arranged at water tank（1）In, gear pump
（2）Output end and electro-hydraulic proportional reducing valve（3）Input be connected, electro-hydraulic proportional reducing valve（3）Output end and jet pipe
（12）It is fixedly connected, and in jet pipe（12）On be socketed with shower nozzle sleeve pipe（6）, shower nozzle sleeve pipe（6）Afterbody and horizontal plane there is folder
Angle α；The shower nozzle sleeve pipe（6）It is provided with quill gear（9）, stepper motor（8）Output shaft be connected with driving gear（7）, and
Quill gear（9）With driving gear（7）Engagement connection.
2. a kind of landscape irrigation system for being adapted to a variety of special-shaped areas according to claim 1, it is characterised in that：Also include
Spring collar（5）, the shower nozzle sleeve pipe（6）Side wall is provided with a annular grooves, jet pipe（12）Side wall is provided with and a annular grooves
The b annular grooves of adaptation, spring collar（5）It is connected between a annular grooves and b annular grooves.
3. a kind of landscape irrigation system for being adapted to a variety of special-shaped areas according to claim 2, it is characterised in that：The spray
Head casing tube（6）It is respectively equipped with the wall of side positioned at quill gear（9）The spring collar of top（5）, positioned at quill gear（9）Lower section
Spring collar（5）.
4. a kind of landscape irrigation system for being adapted to a variety of special-shaped areas according to any one of claims 1 to 3, its feature exists
In：The shower nozzle sleeve pipe（6）Afterbody and horizontal plane between 30 °≤α≤80 ° of angle.
5. a kind of landscape irrigation system for being adapted to a variety of special-shaped areas according to any one of claims 1 to 3, its feature exists
In：The gear pump（2）With electro-hydraulic proportional reducing valve（3）Between be provided with overflow valve（4）.
6. a kind of control method for the landscape irrigation system for being adapted to a variety of special-shaped areas, it is characterised in that：By the shower nozzle sleeve pipe
（6）It is arranged on the boundary curve of surface area to be sprayed（15）Center, shower nozzle sleeve pipe（6）The liquid of middle injection is with radial spray
Filling covers surface area to be sprayed, or shower nozzle sleeve pipe（6）The liquid of middle injection is to be painted with the sprinkling irrigation covering of concentric boundary curve ring-type
Fill surface area.
7. a kind of control method of landscape irrigation system for being adapted to a variety of special-shaped areas according to claim 6, its feature
It is, the shower nozzle sleeve pipe（6）The liquid of middle injection is in the radial method for covering surface area to be sprayed of spraying including following
Step：
Step S1, the shape of basis surface area to be sprayed set up coordinate system, and the border that measurement obtains surface area to be sprayed is bent
Line（15）, it is O to calculate and obtain the geometric center to be painted for filling surface area, by shower nozzle sleeve pipe（6）It is arranged at geometric center O；
Step S2, control electro-hydraulic proportional reducing valve（3）Pressure, make liquid from shower nozzle sleeve pipe（6）Spray to boundary curve at place
（15）Place；
Step S3, control stepper motor（8）Make shower nozzle sleeve pipe（6）The anglec of rotation, while controlling electro-hydraulic proportional reducing valve（3）Pressure
Power, makes liquid again from shower nozzle sleeve pipe（6）Spray to boundary curve at place（15）Place, until shower nozzle sleeve pipe（6）It is rotated by 360 °.
8. a kind of control method of landscape irrigation system for being adapted to a variety of special-shaped areas according to claim 7, its feature
It is, the shower nozzle sleeve pipe（6）The liquid of middle injection is sprayed with concentric boundary curve ring-type covers the side of surface area to be sprayed
Method is that replacement step S2, step S3 are step S4, step S5：
Step S4, surface area to be sprayed is divided into the concentric boundary curves of a（13）, the concentric boundary curves of b（14）, boundary curve
（15）, while controlling electro-hydraulic proportional reducing valve（3）With stepper motor（8）, make liquid from shower nozzle sleeve pipe（6）Sentence constant pressure
Spray to the concentric boundary curves of a（13）Place, and stepper motor is controlled simultaneously（8）Make shower nozzle sleeve pipe（6）The anglec of rotation；
Step S5, control electro-hydraulic proportional reducing valve（3）, make shower nozzle sleeve pipe（6）The fluid pressure increase at place, and with constant after increase
Pressure spray to the concentric boundary curves of b（14）Place, and stepper motor is controlled simultaneously（8）Make shower nozzle sleeve pipe（6）The anglec of rotation, directly
To shower nozzle sleeve pipe（6）Sprinkling irrigation reaches boundary curve（15）Place.
9. a kind of controlling party of landscape irrigation system for being adapted to a variety of special-shaped areas according to any one of claim 6 to 8
Method, it is characterised in that treat the boundary curve in irrigation area region（15）Differential process is carried out, following steps are specifically included：
Step S6, take boundary curve（15）It is initial starting point A points with x-axis positive direction intersection point, and along boundary curve（15）Set successively
There are B points, C points, until N points, and take B points and the increment of x-axis positive direction to be△X, draws A points, B points, C points, N points and geometry successively
The distance value at center is respectively lA0、lB0 、lC0 、lN0；
Step S7, take shower nozzle sleeve pipe（6）B points, B points, which are gone to, from A points goes to rotation angle value when C points, C points go to N points successively
For αA、αB、αN；
Step S8, calculated according to bernoulli principle liquid reach A points, B points, C points, at N points when electro-hydraulic proportional reducing valve（3）Place
Pressure value be respectively PA、PB 、PC、PN；
Step S9, distance value, angle value, pressure value be combined to obtain the three-dimensional data value of corresponding points position successively be A points
（lA0、αA、PA）, B points（lB0、αB、PB）, C points（lC0、αC、PC）, N points（lN0、αN、PN）；
Step S10, control electro-hydraulic proportional reducing valve（3）With stepper motor（8）Respectively reach the three-dimensional data value of each point position.
10. a kind of control method of landscape irrigation system for being adapted to a variety of special-shaped areas according to claim 9, its feature
It is：Time parameter t is sequentially added in the step S9 and correspondence each point three-dimensional data is A points（lA0、αA、PA、tA）, B points
（lB0、αB、PB、tB）, C points（lC0、αC、PC、tC）, N points（lN0、αN、PN、tN）, control electro-hydraulic proportional reducing valve（3）Sprinkling irrigation when
Between, control stepper motor（8）Rotation time.
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| CN201710475950.3A CN107278815A (en) | 2017-06-21 | 2017-06-21 | A kind of landscape irrigation system and control method for being adapted to a variety of special-shaped areas |
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