CN208875020U - A kind of ridge culture alternative split-root trickle irrigation precisely controlling system - Google Patents
A kind of ridge culture alternative split-root trickle irrigation precisely controlling system Download PDFInfo
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- 238000003973 irrigation Methods 0.000 title claims abstract description 241
- 230000002262 irrigation Effects 0.000 title claims abstract description 241
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 81
- 239000002689 soil Substances 0.000 claims description 37
- 239000011159 matrix material Substances 0.000 claims description 23
- 238000000034 method Methods 0.000 description 12
- 210000003608 fece Anatomy 0.000 description 10
- 239000007788 liquid Substances 0.000 description 10
- 239000010871 livestock manure Substances 0.000 description 10
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- 208000005156 Dehydration Diseases 0.000 description 1
- HLVPIMVSSMJFPS-UHFFFAOYSA-N abscisic acid beta-D-glucopyranosyl ester Natural products O1C(CO)C(O)C(O)C(O)C1OC(=O)C=C(C)C=CC1(O)C(C)=CC(=O)CC1(C)C HLVPIMVSSMJFPS-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to a kind of ridge culture alternative split-root trickle irrigation precisely controlling system, including alternative split-root drip irrigation system, the first crop-planting ridge, the second crop-planting ridge, alternative split-root drip irrigation system is equipped with drip irrigation header system, and drip irrigation header system is equipped with main pipe；It is additionally provided with control system, the first depressimeter, the second depressimeter；First the second from left grade small stair, second the second from left grade small stair, is respectively equipped with the first left drip irrigation zone, the first right drip irrigation zone, the second left drip irrigation zone, the second right drip irrigation zone on the second right second level small stair at the first right second level small stair；First left drip irrigation zone, the first right drip irrigation zone are connected to the main pipe of drip irrigation header system by the first irrigation branch pipe；Second left drip irrigation zone, the second right drip irrigation zone are connected to the main pipe of drip irrigation header system by the second irrigation branch pipe.By the utility model, ridge culture alternative split-root trickle irrigation intelligent control is easily and accurately realized.
Description
Technical field
The utility model relates to a kind of ridge culture alternative split-root trickle irrigation precisely controlling systems, are able to achieve ridge culture alternative split-root trickle irrigation
Irrigation Forecast and automatic control, improve improve crop liquid manure utilization efficiency, improve crop quality, realize the efficient benefit of water resource
With with agriculture Green Development.
Background technique
Ridge culture has many advantages, such as to catchment, heats, improves soil aeration, can provide the items such as suitable water, fertilizer, air and heat
Part promotes plant growth, improves crop yield.Root-divided alternative irrigation is to carry out alternate irrigation to crop, makes crop root zone one
Divide and keep wet, another part keeps drying, so that crop root be made to be alternately subjected to water stress, stimulation root system generation root letter
Number abscisic acid (Abscisic acid, ABA), abscisic acid is transmitted to blade, the aperture of stomata is controlled, when stomatal aperture reaches most
When excellent, the luxurious transpiration of crop can be not only reduced, crop photosynthesis product accumulation can not also be reduced, to reach water-saving mesh
's.Root-divided alternative irrigation can improve liquid manure utilization efficiency to greatest extent, have the effect of water-saving excellent production, and application prospect is wide
It is wealthy.Liquid manure is delivered directly to crop root by trickle irrigation, and local moist soil realizes that a small amount of high frequency is irrigated, and is reduced liquid manure deep layer and is seeped
Leakage.Liquid manure utilization efficiency can be improved to the maximum extent in conjunction with the ridge culture alternative split-root drip irrigation technique of these three technologies, improved and made
Article matter realizes that the efficient of water resource utilizes and agriculture Green Development.But prior art shorter mention ridge culture alternative split-root trickle irrigation
System.Patent (CN106386412A) provides a kind of root-divided alternative irrigation system of flat work, but it not can solve ridge culture and divides root
Alternatively drip irrigating problem easily causes furrow ponding, is unfavorable for such as the dripping end flow of ridge culture trickle irrigation and the improper selection of water dropper spacing
Liquid manure is absorbed and utilized in crop.For another example: patent (CN203985296U) provides a kind of greenhouse intelligent control alternative split-root drop
Irrigation technology, but there is no the accurate forecasting problem etc. for solving alternative split-root trickle irrigation, this makes the popularization of alternative split-root drip irrigation technique
Still there is larger problem.Therefore, it is urgent to provide a kind of ridge culture alternative split-root drip irrigation system and operation method for being able to achieve and being precisely controlled,
It is able to achieve the accurate forecast of ridge culture alternative split-root trickle irrigation being precisely controlled with field irrigation, crop liquid manure utilization efficiency is improved, changes
Kind crop quality realizes high efficient utilization of water resources and agriculture Green Development.
Utility model content
Technical problem to be solved in the utility model is exactly overcome the deficiencies in the prior art, in order to solve alternative split-root drop
Filling be precisely controlled present in the above problem, develop this Irrigation Forecast and automatic control system, the utility model provides a kind of ridge
Make alternative split-root trickle irrigation precisely controlling system, ridge culture alternative split-root trickle irrigation Irrigation Forecast and automatic control may be implemented.
The purpose of this utility model is achieved in that a kind of ridge culture alternative split-root trickle irrigation precisely controlling system, including divides
Root alternatively drip irrigating system, the first crop-planting ridge, the second crop-planting ridge, it is first that the alternative split-root drip irrigation system is equipped with trickle irrigation
Portion's system, drip irrigation header system are equipped with main pipe；The both sides on first crop-planting ridge are respectively equipped with small of first the second from left grade
Rank, the first right second level small stair, it is small that the both sides on the second crop-planting ridge are respectively equipped with second the second from left grade small stair, the second right second level
Step；It is characterized by:
Be additionally provided with control system, the first depressimeter, the second depressimeter, control system be composed of in advance automatic control program and
Irrigation period；
First the second from left grade small stair, the first right second level small stair, second the second from left grade small stair, the second small of right second level
The first left drip irrigation zone, the first right drip irrigation zone, the second left drip irrigation zone, the second right drip irrigation zone are respectively equipped on rank；
The first left drip irrigation zone, the first right drip irrigation zone are connected to the dry of drip irrigation header system by the first irrigation branch pipe
Pipe, first, which irrigates branch pipe, is equipped with the first solenoid valve；First depressimeter is embedded in below first the second from left grade small stair
On one crop-planting ridge, and the first depressimeter extends upward first the second from left grade small stair；First depressimeter stretches out first the second from left
One end of grade small stair is equipped with the first electro connecting pressure gauge, and the first electro connecting pressure gauge is touched equipped with the first electro connecting pressure gauge
Point, the first electro connecting pressure gauge are used to measure the negative pressure in the first depressimeter；First electro connecting pressure gauge and control system
Connection, and control system is connect with the first solenoid valve, control system controls the opening and closing of the first solenoid valve, controls alternative split-root trickle irrigation
The beginning and end that system is irrigated；
The second left drip irrigation zone, the second right drip irrigation zone are connected to the dry of drip irrigation header system by the second irrigation branch pipe
Pipe, second, which irrigates branch pipe, is equipped with second solenoid valve；Second depressimeter is embedded in below the second right second level small stair
On two crop-planting ridges, and the second depressimeter extends upward the second right second level small stair；Second depressimeter stretches out second right side two
One end of grade small stair is equipped with the second electro connecting pressure gauge, and the second electro connecting pressure gauge is touched equipped with the second electro connecting pressure gauge
Point, the second electro connecting pressure gauge are used to measure the negative pressure in the second depressimeter；Second electro connecting pressure gauge and control system
Connection, and control system is connect with second solenoid valve, control system controls the opening and closing of second solenoid valve, controls alternative split-root trickle irrigation
The beginning and end that system is irrigated；
First depressimeter of the first electro connecting pressure gauge monitors the soil matrix gesture on the first crop-planting ridge, works as soil matrix
When gesture reaches the irrigation low limit of setting, i.e., the first electro connecting pressure gauge shows the position for reaching the first contact
When, the first electro connecting pressure gauge issues the signal for starting to pour water to control system；Control system receives the first electro connecting pressure gauge
Signal of pouring water after, control system control the first solenoid valve open alternative split-root drip irrigation system, alternative split-root drip irrigation system is through dripping
It fills stem system, main pipe, first irrigate branch pipe, the first left drip irrigation zone, the second left drip irrigation zone to the first of the first crop-planting ridge
The second from left grade small stair and second the second from left grade small stair on the second crop-planting ridge are poured water；When to reach control system pre- for irrigation period
When the irrigation period of volume, control system controls the first solenoid valve and closes alternative split-root drip irrigation system, stops pouring water；
Second depressimeter of the second electro connecting pressure gauge monitors the soil matrix gesture on the second crop-planting ridge, works as soil matrix
When gesture reaches the irrigation low limit of setting, i.e., the second electro connecting pressure gauge shows the position for reaching the second contact
When, the second electro connecting pressure gauge issues the signal for starting to pour water to control system；Control system receives the second electro connecting pressure gauge
Signal of pouring water after, control system control second solenoid valve open alternative split-root drip irrigation system, alternative split-root drip irrigation system is through dripping
It fills stem system, main pipe, second irrigate branch pipe, the first right drip irrigation zone, the second right drip irrigation zone to the first of the first crop-planting ridge
Right second level small stair and the second right second level small stair on the second crop-planting ridge are poured water；When to reach control system pre- for irrigation period
When the irrigation period of volume, control system controls second solenoid valve and closes alternative split-root drip irrigation system, stops pouring water.
The control system is single-chip microcontroller.
A kind of ridge culture alternative split-root trickle irrigation accurate control method, which is characterized in that comprise the steps of:
Step 1), according to meteorological condition and each breeding time crop coefficient of crop, utilize Penman-Monteith formula and work
Object Y-factor method Y calculates water demand of crop ET, its calculation formula is:
ET=KcET0
Wherein, ET is the water demand of crop, unit mm/d；KcFor comprehensive crop coefficient；ET0It is single for crop reference evapotranspiration
Position is mm/d；Δ is temperature-saturation vapour pressure relation curve slope, and unit is kPa/ DEG C；RnIt is obtained for crop canopies net
Radiation, unit are [MJ/ (m2d)]；G is soil heat flux, unit W/m2；γ is hygrometer constant, and unit is kPa/ DEG C；es
For saturation of the air vapour pressure, unit kPa；eaFor the actual water vapor pressure of air, unit kPa；T is the per day gas of 2m eminence
Temperature, unit are DEG C；u2For the wind speed of 2m eminence, unit m/s；
Step 2) calculates alternative split-root trickle irrigation irrigation quantity, and alternative split-root trickle irrigation irrigation quantity is taken as the half of the water demand of crop,
As ET/2；
Step 3), the dripping end flow in order to choose suitable ridge culture and water dropper spacing, make furrow not generate ponding, are convenient for crop
Absorption to liquid manure is simulated under different dripping end flows and water dropper spacing using software according to the geometric parameter of the soil texture and ridge
Soil water movement；
Step 4), according to the soil water movement situation under the different dripping end flows and water dropper spacing simulated in step 3),
Select optimal dripping end flow and water dropper spacing；
Step 5) selects optimal dripping end flow and water dropper spacing meter according to the calculated irrigation quantity of step 2), step 4)
Irrigation period needed for calculating；
Step 6), will be through the calculated irrigation period of step 5) by being preprogramed importing control system；
Step 7), the first depressimeter for being equipped with the first electro connecting pressure gauge monitor the soil matrix on the first crop-planting ridge
Gesture, when soil matrix gesture reaches the irrigation low limit of setting, i.e. the first electro connecting pressure gauge, which is shown, reaches the first electric contact pressure
When the position of table contact, the first electro connecting pressure gauge issues the signal for starting to pour water to control system；Control system receives first
After the signal of pouring water of electro connecting pressure gauge, control system controls the first solenoid valve and opens alternative split-root drip irrigation system, alternative split-root
Drip irrigation system irrigates branch pipe, the first left drip irrigation zone, the second left drip irrigation zone to the first crop through drip irrigation header system, main pipe, first
First the second from left grade small stair of plantation ridge and second the second from left grade small stair on the second crop-planting ridge are poured water；When irrigation period reaches
When the irrigation period to prelist to control system, control system controls the first solenoid valve and closes alternative split-root drip irrigation system, stops filling
Water；
The second depressimeter for being equipped with the second electro connecting pressure gauge monitors the soil matrix gesture on the second crop-planting ridge, works as soil
When earth matric potential reaches the irrigation low limit of setting, i.e. the second electro connecting pressure gauge, which is shown, reaches the second contact
When position, the second electro connecting pressure gauge issues the signal for starting to pour water to control system；Control system receives the second electric contact pressure
After the signal of pouring water of power table, control system controls second solenoid valve and opens alternative split-root drip irrigation system, alternative split-root drip irrigation system
Branch pipe, the first right drip irrigation zone, the second right drip irrigation zone are irrigated to the first crop-planting ridge through drip irrigation header system, main pipe, second
First right second level small stair and the second right second level small stair on the second crop-planting ridge are poured water；When irrigation period reaches control system
When the irrigation period to prelist of uniting, control system controls second solenoid valve and closes alternative split-root drip irrigation system, stops pouring water, and realizes and fills
The automatic control irrigate.
In step 3), using HYDRUS software, according to the geometric parameter of the soil texture and ridge, simulate different dripping end flows and
Soil water movement under water dropper spacing.
The control system is single-chip microcontroller.
The utility model also provides a set of system to realize ridge culture alternative split-root trickle irrigation accurate control method, and system includes
Ridge, second level small stair, depressimeter, electro connecting pressure gauge, drip irrigation zone, solenoid valve and single-chip microcontroller.The ridge is equipped with second level small
Rank reduces furrow ponding in favor of Infiltration when trickle irrigation is poured water.The drip irrigation zone is placed on the second level small stair.It is described
Depressimeter is embedded in immediately below the drip irrigation zone for monitoring soil matrix gesture.Using in electro connecting pressure gauge measurement depressimeter
Negative pressure.It can be with the position of manual setting irrigation low limit contact on the electro connecting pressure gauge.The electro connecting pressure gauge and monolithic
Machine connection.The single-chip microcontroller is composed of automatic control program and irrigation period in advance.The single-chip microcontroller is connect with solenoid valve, monolithic
The opening and closing of machine control solenoid valve.The solenoid valve is connected with drip irrigation system, controls the beginning and end of irrigation.The utility model
In, when irrigation low limit due to reaching setting when soil matrix gesture, i.e., electro connecting pressure gauge, which is shown, reaches electro connecting pressure gauge touching
When the position of point, electro connecting pressure gauge issues the signal for starting to pour water to control system, plays the irrigation of alternative split-root trickle irrigation
Prediction effect.
To sum up, the utility model has the beneficial effects that develop a kind of ridge culture alternative split-root trickle irrigation precisely controlling system and
Method easily and accurately realizes the Irrigation Forecast and intelligent control of ridge culture alternative split-root trickle irrigation, easy to promote and utilize.
Detailed description of the invention
Fig. 1 is the system structure diagram of the utility model.
In figure: 1 first crop-planting ridge, 1-1 first the second from left grade small stair, the right second level small stair of 1-2 first, 1-3 first
Left drip irrigation zone, the right drip irrigation zone 1-4 first, 1-5 first irrigate branch pipe, the first solenoid valve of 1-6, the first depressimeter of 1-7,1-8 first
Electro connecting pressure gauge, the first contact of 1-9,2 second crop-planting ridges, 2-1 second the second from left grade small stair, 2-2
Second right second level small stair, the left drip irrigation zone 2-3 second, the right drip irrigation zone 2-4 second, 2-5 second irrigate branch pipe, the second electromagnetism of 2-6
Valve, the second depressimeter of 2-7, the second electro connecting pressure gauge of 2-8, the second contact of 2-9,3 drip irrigation header systems, 4
Main pipe, 5 control systems.
Specific embodiment
With reference to the accompanying drawing and following embodiment, specific embodiment of the present utility model work is further retouched in detail
It states.Following embodiment is only used for the specific descriptions to the utility model, but is not used in limitation the scope of the utility model.
The utility model provides a kind of ridge culture alternative split-root trickle irrigation precisely controlling system and method.Firstly, passing through utilization
HYDRUS software, the geometric parameter according to the soil texture, ridge simulate soil water movement, select suitable dripping end flow and water dropper
Spacing；The water demand of crop of alternative split-root trickle irrigation is calculated using Penman-Monteith formula and crop coefficient method；Then, root
According to the water demand of crop, dripping end flow and water dropper spacing, irrigation period needed for calculating crop each breeding time, and it is conducted into monolithic
Machine irrigates the duration to control；Soil matrix gesture is monitored by depressimeter, when soil matrix gesture reaches irrigation low limit,
The irrigation low limit contact of pointer and the electro connecting pressure gauge setting of electro connecting pressure gauge is connected, and starts letter of pouring water to single-chip microcontroller transmission
Number, single-chip microcontroller control solenoid valve starts to pour water, and irrigates the time started to control.The final filling for realizing ridge culture alternative split-root trickle irrigation
Irrigate forecast and automatic control.
Specific structure are as follows:
A kind of ridge culture alternative split-root trickle irrigation precisely controlling system, including alternative split-root drip irrigation system, the first crop-planting ridge
1, drip irrigation header system 3 is arranged on alternative split-root drip irrigation system, is arranged in drip irrigation header system 3 for the second crop-planting ridge 2
Main pipe 4；First the second from left grade small stair 1-1, the first right second level small stair 1-2 is respectively set on the both sides on the first crop-planting ridge 1,
Second the second from left grade small stair 2-1, the second right second level small stair 2-2 is respectively set in the both sides on the second crop-planting ridge 2；Its feature exists
In:
It is additionally provided with control system 5, the first depressimeter 1-7, the second depressimeter 2-7, it is automatic that control system 5 is composed of irrigation in advance
Control program and irrigation period；
On first the second from left grade small stair 1-1, the first right second level small stair 1-2, second the second from left grade small stair 2-1, second right side
The first left drip irrigation zone 1-3, the first right drip irrigation zone 1-4, the second left drip irrigation zone 2-3, second right side are respectively set on second level small stair 2-2
Drip irrigation zone 2-4.
First left drip irrigation zone 1-3, the first right drip irrigation zone 1-4 are connected to drip irrigation header system 3 by the first irrigation branch pipe 1-5
Main pipe 4, first irrigation branch pipe 1-5 on the first solenoid valve 1-6 is set；It is small that first depressimeter 1-7 is embedded in first the second from left grade
On the first crop-planting ridge 1 below step 1-1；First depressimeter 1-7 is connected with the first electro connecting pressure gauge 1-8, the first electricity
It is negative for measuring first that first contact 1-9, the first electro connecting pressure gauge 1-8 is set on contact pressure table 1-8
Negative pressure in pressure meter 1-7；First electro connecting pressure gauge 1-8 is connect with control system 5, and control system 5 and the first solenoid valve 1-6
Connection, control system 5 control the opening and closing of the first solenoid valve 1-6, the beginning and end that control alternative split-root drip irrigation system is irrigated；
Second left drip irrigation zone 2-3, the second right drip irrigation zone 2-4 are connected to drip irrigation header system 3 by the second irrigation branch pipe 2-5
Main pipe 4, second irrigate branch pipe 2-5 on be arranged second solenoid valve 2-6；Second depressimeter 2-7 is embedded in the second small of right second level
On the second crop-planting ridge 2 below rank 2-2；Second depressimeter 2-7 is connected with the second electro connecting pressure gauge 2-8, and the second electricity connects
Second contact 2-9, the second electro connecting pressure gauge 2-8 is set on point pressure table 2-8 for measuring the second negative pressure
Count the negative pressure in 2-7；Second electro connecting pressure gauge 2-8 is connect with control system 5, and control system 5 and second solenoid valve 2-6 connect
It connects, control system 5 controls the opening and closing of second solenoid valve 2-6, the beginning and end that control alternative split-root drip irrigation system is irrigated；
The first depressimeter 1-7 of first electro connecting pressure gauge 1-8 monitors the soil matrix gesture on the first crop-planting ridge 1, when
When soil matrix gesture reaches the irrigation low limit of setting, i.e., the first electro connecting pressure gauge 1-8, which is shown, reaches the first electro connecting pressure gauge
When the position of contact 1-9, the first electro connecting pressure gauge 1-8 issues the signal for starting to pour water to control system 5；Control system 5 is received
To after the signal of pouring water of the first electro connecting pressure gauge 1-8, control system 5 controls the first solenoid valve 1-6 and opens alternative split-root trickle irrigation
System, alternative split-root drip irrigation system irrigate branch pipe 1-5, the first left drip irrigation zone 1-3, the through drip irrigation header system 3, main pipe 4, first
First the second from left grade small stair 1-1 from two left drip irrigation zone 2-3 to the first crop-planting ridge 1 and the second crop-planting ridge 2 second
The second from left grade small stair 2-1 pours water；When irrigation period reaches the irrigation period that control system 5 prelists, control system control first
Solenoid valve 1-6 closes alternative split-root drip irrigation system, stops pouring water；
The second depressimeter 2-7 of second electro connecting pressure gauge 2-8 monitors the soil matrix gesture on the second crop-planting ridge 2, when
When soil matrix gesture reaches the irrigation low limit of setting, i.e., the second electro connecting pressure gauge 2-8, which is shown, reaches the second electro connecting pressure gauge
When the position of contact 2-9, the second electro connecting pressure gauge 2-8 issues the signal for starting to pour water to control system 5；Control system 5 is received
To after the signal of pouring water of the second electro connecting pressure gauge 2-8, control system 5 controls second solenoid valve 2-6 and opens alternative split-root trickle irrigation
System, alternative split-root drip irrigation system irrigate branch pipe 2-5, the first right drip irrigation zone 1-4, the through drip irrigation header system 3, main pipe 4, second
The first right second level small stair 1-2 from two right drip irrigation zone 2-4 to the first crop-planting ridge 1 and the second crop-planting ridge 2 second
Right second level small stair 2-2 pours water；When irrigation period reaches the irrigation period that control system 5 prelists, control system control second
Solenoid valve 2-6 closes alternative split-root drip irrigation system, stops pouring water.
First crop-planting ridge 1, the second crop-planting ridge 2 width be 80cm, be highly 20cm, top width is
30cm.First the second from left grade small stair 1-1, the first right second level small stair 1-2, second the second from left grade small stair 2-1, the second right second level are small
The height of step 2-2 is 10cm, and table top width is 5cm.
When a kind of ridge culture alternative split-root trickle irrigation is precisely controlled, using following steps:
Step 1), according to meteorological condition and each breeding time crop coefficient of crop, utilize Penman-Monteith formula and work
Object Y-factor method Y calculates water demand of crop ET, its calculation formula is:
ET=KcET0
Wherein, ET is the water demand of crop, unit mm/d；KcFor comprehensive crop coefficient；ET0It is single for crop reference evapotranspiration
Position is mm/d；Δ is temperature-saturation vapour pressure relation curve slope, and unit is kPa/ DEG C；RnIt is obtained for crop canopies net
Radiation, unit are [MJ/ (m2d)]；G is soil heat flux, unit W/m2；γ is hygrometer constant, and unit is kPa/ DEG C；es
For saturation of the air vapour pressure, unit kPa；eaFor the actual water vapor pressure of air, unit kPa；T is the per day gas of 2m eminence
Temperature, unit are DEG C；u2For the wind speed of 2m eminence, unit m/s；
Step 2) calculates alternative split-root trickle irrigation irrigation quantity, and alternative split-root trickle irrigation irrigation quantity is taken as the half of the water demand of crop,
As ET/2；
Step 3), the dripping end flow in order to choose suitable ridge culture and water dropper spacing, make furrow not generate ponding, are convenient for crop
Absorption to liquid manure simulates different dripping end flows and water dropper according to the geometric parameter of the soil texture and ridge using HYDRUS software
Soil water movement under spacing；
Step 4), according to the soil water movement situation under the different dripping end flows and water dropper spacing simulated in step 3),
Select optimal dripping end flow and water dropper spacing；
Step 5) selects optimal dripping end flow and water dropper spacing meter according to the calculated irrigation quantity of step 2), step 4)
Irrigation period needed for calculating；
Step 6) will import control system 5 by being preprogramed through the calculated irrigation period of step 5)；
Step 7), the first depressimeter 1-7 for being equipped with the first electro connecting pressure gauge 1-8 monitor the first crop-planting ridge 1
Soil matrix gesture, when soil matrix gesture reaches the irrigation low limit of setting, i.e., the first electro connecting pressure gauge 1-8, which is shown, reaches first
When the position of contact 1-9, the first electro connecting pressure gauge 1-8 issues the signal for starting to pour water to control system 5；
After control system 5 receives the signal of pouring water of the first electro connecting pressure gauge 1-8, control system 5, which controls the first solenoid valve 1-6 and opens, divides
Root alternatively drip irrigating system, alternative split-root drip irrigation system irrigate branch pipe 1-5, the first left drop through drip irrigation header system 3, main pipe 4, first
It fills with 1-3, the second left drip irrigation zone 2-3 to first the second from left grade small stair 1-1 on the first crop-planting ridge 1 and the second crop-planting
Second the second from left grade small stair 2-1 on ridge 2 pours water；When irrigation period reaches the irrigation period that control system 5 prelists, control system
It controls the first solenoid valve 1-6 and closes alternative split-root drip irrigation system, stop pouring water；
The the second depressimeter 2-7 for being equipped with the second electro connecting pressure gauge 2-8 monitors the soil matrix on the second crop-planting ridge 2
Gesture, when soil matrix gesture reaches the irrigation low limit of setting, i.e. the second electro connecting pressure gauge 2-8, which is shown, reaches the second electric contact pressure
When the position of power table contact 2-9, the second electro connecting pressure gauge 2-8 issues the signal for starting to pour water to control system 5；Control system
After 5 receive the signal of pouring water of the second electro connecting pressure gauge 2-8, control system 5 controls second solenoid valve 2-6 and opens alternative split-root drop
Fill system, alternative split-root drip irrigation system through drip irrigation header system 3, main pipe 4, second irrigate branch pipe 2-5, the first right drip irrigation zone 1-4,
The first right second level small stair 1-2 from second right drip irrigation zone 2-4 to the first crop-planting ridge 1 and the second crop-planting ridge 2
Two right second level small stair 2-2 pour water；When irrigation period reaches the irrigation period that control system 5 prelists, control system control the
Two solenoid valve 2-6 close alternative split-root drip irrigation system, stop pouring water, realize the automatic control of irrigation.
Control system 5 is single-chip microcontroller.
When specifically used, for sandy loam, drip irrigation zone 2 may be selected the embedded patch type that dripping end flow is 1.38L/h and drip
Band is filled, water dropper spacing is 30cm.The first depressimeter 1-7 is buried immediately below the first left drip irrigation zone 1-3, the first depressimeter 1-7's
The depth of burying is 15cm immediately below the first left drip irrigation zone 1-3, and the second depressimeter 2-7 is buried immediately below the second right drip irrigation zone 2-4,
The depth of burying of second depressimeter 2-7 is 15cm immediately below the second right drip irrigation zone 2-4.
First electro connecting pressure gauge 1-8 dial plate diameter is 6cm's, the first electro connecting pressure gauge 1-8 and the first depressimeter 1-7
Joint screw thread diameter is 1.4cm.When the pointer of the first electro connecting pressure gauge 1-8 reaches the contact of irrigation low limit, to the first electricity
Contact pressure table 1-8 sends commencing signal of pouring water, and passes through the opening and closing that control system 5 controls the first solenoid valve 1-6.Second electric contact
Pressure gauge 2-8 dial plate diameter is 6cm, and the joint screw thread diameter of the second electro connecting pressure gauge 2-8 and the second depressimeter 2-7 are
1.4cm.When the pointer of the second electro connecting pressure gauge 2-8 reaches the contact of irrigation low limit, sent out to the second electro connecting pressure gauge 2-8
Commencing signal of pouring water is sent, the opening and closing of second solenoid valve 2-6 is controlled by control system 5.In short, can be with by this method and system
It easily and accurately realizes the Irrigation Forecast and automatic control of alternative split-root trickle irrigation, to improve liquid manure utilization efficiency, improves crop
Quality promotes agriculture Green Development.
Claims (4)
1. a kind of ridge culture alternative split-root trickle irrigation precisely controlling system, including alternative split-root drip irrigation system, the first crop-planting ridge
(1), the second crop-planting ridge (2), the alternative split-root drip irrigation system are equipped with drip irrigation header system (3), drip irrigation header system
(3) main pipe (4) are equipped with；The both sides on first crop-planting ridge (1) are respectively equipped with first the second from left grade small stair (1-1),
One right second level small stair (1-2), the both sides on the second crop-planting ridge (2) are respectively equipped with second the second from left grade small stair (2-1), second
Right second level small stair (2-2)；It is characterized by:
It is additionally provided with control system (5), the first depressimeter (1-7), the second depressimeter (2-7), control system (5) is composed of irrigation certainly in advance
Dynamic control program and irrigation period；
First the second from left grade small stair (1-1), the first right second level small stair (1-2), second the second from left grade small stair (2-1),
The first left drip irrigation zone (1-3), the first right drip irrigation zone (1-4), the second left drip irrigation zone are respectively equipped on two right second level small stairs (2-2)
(2-3), the second right drip irrigation zone (2-4)；
The first left drip irrigation zone (1-3), the first right drip irrigation zone (1-4) irrigate branch pipe (1-5) by first and are connected to trickle irrigation head
The main pipe (4) of portion's system (3), first, which irrigates branch pipe (1-5), is equipped with the first solenoid valve (1-6)；First depressimeter (1-7)
It is embedded on the first crop-planting ridge (1) below first the second from left grade small stair (1-1)；First depressimeter (1-7) is connected with
One electro connecting pressure gauge (1-8), the first electro connecting pressure gauge (1-8) are equipped with the first contact (1-9), and first
Electro connecting pressure gauge (1-8) is used to measure the negative pressure in the first depressimeter (1-7)；First electro connecting pressure gauge (1-8) with
Control system (5) connection, and control system (5) is connect with the first solenoid valve (1-6), control system (5) controls the first solenoid valve
The opening and closing of (1-6), the beginning and end that control alternative split-root drip irrigation system is irrigated；
The second left drip irrigation zone (2-3), the second right drip irrigation zone (2-4) irrigate branch pipe (2-5) by second and are connected to trickle irrigation head
The main pipe (4) of portion's system (3), second, which irrigates branch pipe (2-5), is equipped with second solenoid valve (2-6)；Second depressimeter (2-7)
It is embedded on the second crop-planting ridge (2) below the second right second level small stair (2-2)；Second depressimeter (2-7) is connected with
Two electro connecting pressure gauges (2-8), the second electro connecting pressure gauge (2-8) are equipped with the second contact (2-9), and second
Electro connecting pressure gauge (2-8) is used to measure the negative pressure in the second depressimeter (2-7)；Second electro connecting pressure gauge (2-8) with
Control system (5) connection, and control system (5) is connect with second solenoid valve (2-6), control system (5) controls second solenoid valve
The opening and closing of (2-6), the beginning and end that control alternative split-root drip irrigation system is irrigated；
The first depressimeter (1-7) of first electro connecting pressure gauge (1-8) monitors the soil matrix gesture on the first crop-planting ridge (1),
When soil matrix gesture reaches the irrigation low limit of setting, i.e. the first electro connecting pressure gauge (1-8) display reaches the first electric contact pressure
When the position of power table contact (1-9), the first electro connecting pressure gauge (1-8) issues the signal for starting to pour water to control system (5)；Control
After system (5) processed receives the signal of pouring water of the first electro connecting pressure gauge (1-8), control system (5) controls the first solenoid valve (1-6)
Alternative split-root drip irrigation system is opened, alternative split-root drip irrigation system irrigates branch pipe through drip irrigation header system (3), main pipe (4), first
(1-5), the first left drip irrigation zone (1-3), small of first the second from left grade from the second left drip irrigation zone (2-3) to the first crop-planting ridge (1)
Second the second from left grade small stair (2-1) on rank (1-1) and the second crop-planting ridge (2) is poured water；When irrigation period reaches control system
When the irrigation period that system (5) prelists, control system controls the first solenoid valve (1-6) and closes alternative split-root drip irrigation system, stops filling
Water；
The second depressimeter (2-7) of second electro connecting pressure gauge (2-8) monitors the soil matrix gesture on the second crop-planting ridge (2),
When soil matrix gesture reaches the irrigation low limit of setting, i.e. the second electro connecting pressure gauge (2-8) display reaches the second electric contact pressure
When the position of power table contact (2-9), the second electro connecting pressure gauge (2-8) issues the signal for starting to pour water to control system (5)；Control
After system (5) processed receives the signal of pouring water of the second electro connecting pressure gauge (2-8), control system (5) controls second solenoid valve (2-6)
Alternative split-root drip irrigation system is opened, alternative split-root drip irrigation system irrigates branch pipe through drip irrigation header system (3), main pipe (4), second
(2-5), the first right drip irrigation zone (1-4), the first small of right second level from the second right drip irrigation zone (2-4) to the first crop-planting ridge (1)
The second right second level small stair (2-2) on rank (1-2) and the second crop-planting ridge (2) is poured water；When irrigation period reaches control system
When the irrigation period that system (5) prelists, control system controls second solenoid valve (2-6) and closes alternative split-root drip irrigation system, stops filling
Water.
2. a kind of ridge culture alternative split-root trickle irrigation precisely controlling system according to claim 1, which is characterized in that the control
System (5) is single-chip microcontroller.
3. a kind of ridge culture alternative split-root trickle irrigation precisely controlling system according to claim 1, which is characterized in that described first
Crop-planting ridge (1), the second crop-planting ridge (2) width be 80cm, be highly 20cm, top width is 30cm.
4. a kind of ridge culture alternative split-root trickle irrigation precisely controlling system according to claim 1, which is characterized in that described first
The second from left grade small stair (1-1), the first right second level small stair (1-2), second the second from left grade small stair (2-1), the second small of right second level
The height of rank (2-2) is 10cm, and table top width is 5cm.
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| CN201821582613.0U CN208875020U (en) | 2018-09-27 | 2018-09-27 | A kind of ridge culture alternative split-root trickle irrigation precisely controlling system |
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| CN201821582613.0U CN208875020U (en) | 2018-09-27 | 2018-09-27 | A kind of ridge culture alternative split-root trickle irrigation precisely controlling system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109076925A (en) * | 2018-09-27 | 2018-12-25 | 扬州大学 | A kind of ridge culture alternative split-root trickle irrigation precisely controlling system and method |
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2018
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109076925A (en) * | 2018-09-27 | 2018-12-25 | 扬州大学 | A kind of ridge culture alternative split-root trickle irrigation precisely controlling system and method |
| CN109076925B (en) * | 2018-09-27 | 2023-12-01 | 扬州大学 | Precise control system and method for ridge culture root-dividing alternate drip irrigation |
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