CN107821116A - A kind of agricultural root fill system and its root-irrigation method - Google Patents
A kind of agricultural root fill system and its root-irrigation method Download PDFInfo
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- CN107821116A CN107821116A CN201711356931.5A CN201711356931A CN107821116A CN 107821116 A CN107821116 A CN 107821116A CN 201711356931 A CN201711356931 A CN 201711356931A CN 107821116 A CN107821116 A CN 107821116A
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- water
- soil
- soakaway trench
- root
- water inlet
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- 238000003973 irrigation Methods 0.000 title abstract description 14
- 238000000034 method Methods 0.000 title abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 292
- 239000002689 soil Substances 0.000 abstract description 98
- 239000000463 material Substances 0.000 abstract description 34
- 241000196324 Embryophyta Species 0.000 abstract description 26
- 230000000694 effects Effects 0.000 abstract description 25
- 238000013016 damping Methods 0.000 abstract description 23
- 238000001764 infiltration Methods 0.000 abstract description 22
- 230000008595 infiltration Effects 0.000 abstract description 22
- 230000003020 moisturizing effect Effects 0.000 abstract description 4
- 230000005068 transpiration Effects 0.000 abstract description 4
- 230000008635 plant growth Effects 0.000 abstract description 3
- 238000003860 storage Methods 0.000 description 79
- 238000001035 drying Methods 0.000 description 44
- 238000001125 extrusion Methods 0.000 description 19
- 238000011217 control strategy Methods 0.000 description 16
- 239000000498 cooling water Substances 0.000 description 10
- 238000010521 absorption reaction Methods 0.000 description 7
- 230000002262 irrigation Effects 0.000 description 7
- 241000209094 Oryza Species 0.000 description 5
- 235000007164 Oryza sativa Nutrition 0.000 description 5
- 238000000151 deposition Methods 0.000 description 5
- 238000005086 pumping Methods 0.000 description 5
- 235000009566 rice Nutrition 0.000 description 5
- 230000005484 gravity Effects 0.000 description 4
- 230000012010 growth Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000000109 continuous material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000005080 plant death Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000036413 temperature sense Effects 0.000 description 1
- 230000009466 transformation Effects 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
- A01G25/06—Watering arrangements making use of perforated pipe-lines located in the soil
-
- 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
- A01G25/167—Control by humidity of the soil itself or of devices simulating soil or of the atmosphere; Soil humidity sensors
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Environmental Sciences (AREA)
- Cultivation Of Plants (AREA)
Abstract
The present invention relates to a kind of agricultural root fill system and its root-irrigation method, it is made up of infiltration type root fill system and coiling root fill system, soil moisture is controlled by unlatching/closing water intaking valve until the humidity for controlling plant root by unlatching/closing water-supply valve and unlatching/closing feed pump in coiling part is coiled in plant growth to its root.Soakaway trench is seeped water by the damping hole that seeps water to sponge material layer, sponge material layer serves the effect of a water conservation and moisturizing, ensure the humidity of soil, and plant root can is according to draws water in transpiration and pulling force from below soil, it ensure that the water supply of soil, water pump provides hydraulic pressure, it can be intake according to demand to extension, coiling part is fed water by spilling hole to flower mud, flower mud serves the effect of a water conservation and moisturizing, provide a larger coiling area simultaneously, improve the contact effect with plant root, and plant root can is according to draws water in transpiration and pulling force from below flower mud.
Description
Technical field
The present invention relates to agriculture root to fill field, more specifically to a kind of agricultural root fill system and its root-irrigation method.
Background technology
With the raising of Agricultural Level, increasing agricultural is taken the photograph using the sprinkler irrigation technique of high efficient and reliable as auxiliary plant
Water intaking point, and in general spray irrigation system be by carrying out spray water to blade and soil so as to realize the effect of sprinkling irrigation, and in order to
Ensure sprinkling irrigation effect, the time of sprinkling irrigation, degree is closely bound up with temperature thoroughly, such as blade is influenceed by Exposure to Sunlight, and surface temperature is higher, spray
The temperature difference caused by filling can cause blade to be wilted；Or the demand that different types of plant absorbs to moisture is different, some plants need
To be irrigated in sprinkling irrigation, the moistening effect of some plant roots is then poor, and also some plants may lead when too pouring throwing
Flood was caused to cause Plant death, and under the drying of such as weather, wetness conditions, the amount of pouring is varied from, so to some
The pouring of plant causes larger difficulty, and general plant is in root draws water, if the moisture of root can be kept, just
Larger " an eating " water allowance can be provided to plant, the difficulty of sprinkling irrigation be substantially reduced, so how long-term and relatively stable
Ground provides the supply of plant root moisture, is current urgent problem to be solved.
The content of the invention
In view of this, an object of the present disclosure is to provide a kind of agricultural root fill system；
The second object of the present invention is to provide a kind of agricultural root-irrigation method.In order to solve the above-mentioned technical problem, technology of the invention
Scheme is：A kind of agricultural root fill system, including for depositing the water storage structure, water inlet pipe and some soakaway trench at water source, it is described
The bottom of water storage structure is provided with inlet opening, and the water storage structure is connected by inlet opening with water inlet pipe, and the one of the water inlet pipe
End is connected to the inlet opening；
The water inlet pipe is provided with water intaking valve, each soakaway trench of connection of the water inlet pipe, is distributed with the soakaway trench
Some infiltration damping holes set up, the outer surface of the soakaway trench are also wrapped on sponge material layer, the sponge material layer
Be partially filled with into it is described infiltration damping hole set, it is described infiltration damping hole aperture be 2 millimeters to 8 millimeters, the soakaway trench
Caliber be gradually reduced along away from the direction of the water inlet pipe, the caliber of the soakaway trench is the aperture of the infiltration damping hole
50-100 times, the soakaway trench is embedded in inside the soil in advance and the distance apart from soil upper surface is 1-3 rice, the water storage knot
The level height of structure set higher than the soakaway trench so that the water inside the water storage structure can fill under gravity it is described
Soakaway trench；
The water inlet pipe is provided with water-supply valve and intake pump and intake pump, each coiling knot of water inlet pipe connection
Structure, the coiled structure include extension and coiling part, and the extension is embedded in the soil below plant simultaneously upwards in advance
It is extended, the top of the extension sets the coiling part, and the extension connects the water inlet pipe and the coiling
Part, the coiling part be provided with it is some spill hole, the coiling part is coated with flower mud, soil described in the coiling member distance
10-50 centimetres of earth surface so that the plant root in growth course can with it is described coiling parts surface flower mud contact,
The aperture for spilling hole is 3-8 millimeters, it is described water inlet pump work and the water-supply valve open when, water source can be transported from water storage structure
Move to the coiling part.
Further, in addition in advance the extrusion structure being embedded in the soil, it is described extrusion structure include extrusion bar and
Guiding sleeve, the inner chamber of the guiding sleeve are provided with internal thread, are provided with and the screw-internal thread fit on the extrusion bar
External screw thread, the exposed formation rotation section in top of the extrusion bar, the bottom of the extrusion bar is formed with press section, the rotation section
Rotate with drive on the press section under move, the extrusion bar extrudes the sponge material layer when moving downward.
Further, in addition to drainpipe, the drainpipe are provided with draining valve, and the soakaway trench is additionally provided with draining
Hole, the soakaway trench are connected to the drainpipe, and the draining valve is set with the water intaking valve for interlocking, and the water intaking valve is opened
When, draining valve cut-off, when the water intaking valve is closed, the draining valve is opened, and the soakaway trench is along the water inlet pipe to institute
The direction for stating drainpipe tilts down setting, and the drainpipe is provided with downward osculum.
Further, the end set of the coiled structure has steam vent, and being provided with the steam vent prevents soil from entering
Enter the supporting network of the extension.
Further, in addition to return pipe, the return pipe are connected to the water storage structure and the coiling part, institute
State return pipe and be provided with back-water valve (BWV) and back water pump, when the backwater pump work and when the back-water valve (BWV) is in opening, band
Water in the dynamic coiling part enters the water storage structure.
In order to realize the second object of the present invention, there is provided a kind of agricultural root-irrigation method, there is provided a kind of agricultural root fill system, bag
The water storage structure, water inlet pipe and some soakaway trench for depositing water source are included, the bottom of the water storage structure is provided with inlet opening,
The water storage structure is connected by inlet opening with water inlet pipe, and one end of the water inlet pipe is connected to the inlet opening；
The water inlet pipe is provided with water intaking valve, each soakaway trench of connection of the water inlet pipe, is distributed with the soakaway trench
Some infiltration damping holes set up, the outer surface of the soakaway trench are also wrapped on sponge material layer, the sponge material layer
Be partially filled with into it is described infiltration damping hole set, it is described infiltration damping hole aperture be 2 millimeters to 8 millimeters, the soakaway trench
Caliber be gradually reduced along away from the direction of the water inlet pipe, the caliber of the soakaway trench is the aperture of the infiltration damping hole
50-100 times, the soakaway trench is embedded in inside the soil in advance and the distance apart from soil upper surface is 1-3 rice, the water storage knot
The level height of structure set higher than the soakaway trench so that the water inside the water storage structure can fill under gravity it is described
Soakaway trench；
The water inlet pipe is provided with water-supply valve and intake pump and intake pump, each coiling knot of water inlet pipe connection
Structure, the coiled structure include extension and coiling part, and the extension is embedded in the soil below plant simultaneously upwards in advance
It is extended, the top of the extension sets the coiling part, and the extension connects the water inlet pipe and the coiling
Part, the coiling part be provided with it is some spill hole, the coiling part is coated with flower mud, soil described in the coiling member distance
10-50 centimetres of earth surface so that the plant root in growth course can with it is described coiling parts surface flower mud contact,
The aperture for spilling hole is 3-8 millimeters, it is described water inlet pump work and the water-supply valve open when, water source can be transported from water storage structure
Move to the coiling part；
Specifically include following steps：
Step 1, soil moisture is controlled to be coiled up to plant growth to its root in coiling part by unlatching/closing water intaking valve,
Into step 2；
Step 2, the humidity of plant root is controlled by unlatching/closing water-supply valve and unlatching/closing feed pump.
The technology of the present invention effect major embodiment is in the following areas：By in this way, passing through water storage structure and water intaking valve
Setting, can be intake according to demand to soakaway trench, soakaway trench is seeped water by the damping hole that seeps water to sponge material layer,
Sponge material layer serves the effect of a water conservation and moisturizing, ensures the humidity of soil, and plant root can is according to transpiration
Effect and pulling force draws water in soil from below, ensure that the water supply of soil, meanwhile, pass through water storage structure and water-supply valve
Set, water pump provide hydraulic pressure, can be intake according to demand to extension, coiling part by spill hole to flower mud carry out to
Water, flower mud serve the effect of a water conservation and moisturizing, while provide a larger coiling area, raising and plant root
Contact effect, and plant root can is according to draws water in transpiration and pulling force from below flower mud.
Brief description of the drawings
Fig. 1：The structural representation of the agricultural root fill system of the present invention；
Fig. 2：The structural representation of the infiltration type agricultural root fill system of the present invention；
Fig. 3：The structural representation of the coiling agricultural root fill system of the present invention；
Fig. 4：The linear relationship chart of the water inlet control algolithm of the agricultural root fill system of the present invention；
Fig. 5：The linear relationship chart of the agricultural root fill system drying control algorithm of the present invention；
Fig. 6：The agricultural root fill system control circuit connection relationship diagram of the present invention.
Reference：100th, water storage structure；101st, water storage opening；102nd, cover plate；103rd, actuator；111st, water temperature senses
Device；200th, water inlet pipe；201st, water-supply valve；202nd, feed pump；210th, inlet opening；220th, water-supply valve；301st, extension；302nd, coil
Part；303rd, flower mud；304th, passage；305th, supporting network；310th, soakaway trench；311st, sponge material layer；410th, drainpipe；411、
Osculum；412nd, draining valve；421st, back-water valve (BWV)；422nd, back water pump；420th, return pipe；501st, soil temperature sensor；502nd, it is native
Earth humidity sensor；601st, guiding sleeve；610th, bar is extruded；611st, press section；612nd, rotation section；710th, drying tube；711st, take out
Gas air valve；712nd, air exhauster；713rd, it is evacuated air valve.
Embodiment
Below in conjunction with accompanying drawing, the embodiment of the present invention is described in further detail, so that technical solution of the present invention is more
It should be readily appreciated that and grasp.
Shown in reference picture 1, this agricultural root fill system can be made up of the subsystem that two roots fill in fact, respectively be permeated
Formula root fill system and coiling root fill system, respectively refer to Fig. 2 and Fig. 3, infiltration type root fill system and coiling root fill system
Share water storage structure 100, water inlet pipe 200, soil temperature sensor 501, soil humidity sensor 502 and drying structure.With
It is lower that introduction is made to technical scheme one by one with regard to two subsystems respectively.
Reference picture 2 is shown makes detailed description to invention, introduces infiltration type agricultural structural representation, including for depositing the storage at water source
Water-bound 100, water inlet pipe 200 and some soakaway trench 310, the bottom of the water storage structure 100 are provided with inlet opening 210, institute
Water storage structure 100 is stated to be connected with water inlet pipe 200 by inlet opening 210, the water inlet pipe 200 is provided with water intaking valve 220, it is described enter
One end of water pipe 200 is connected to the inlet opening 210, and the other end connects each soakaway trench 310, on the soakaway trench 310
Some infiltration damping holes set up are distributed with, the outer surface of the soakaway trench 310 is also wrapped on sponge material layer 311, institute
State being partially filled with for sponge material layer 311 to set into the infiltration damping hole, the aperture of the infiltration damping hole is 2 millimeters to 8
Millimeter, the caliber of the soakaway trench 310 are gradually reduced along the direction away from the water inlet pipe 200, the caliber of the soakaway trench 310
For 50-100 times of the aperture of the infiltration damping hole, the soakaway trench 310 is embedded in inside the soil and on soil in advance
The distance on surface is 1-3 rice, and the level height of the water storage structure 100 is set so that the water storage higher than the soakaway trench 310
Water inside structure 100 can fill the soakaway trench 310 under gravity.
First, shown in reference picture 1, the workflow and the good effect that plays of the system of the present invention are made in detail
State, first, the composition of whole system is relatively simple, is to play storage water source by a water storage structure 100, water storage structure 100
Effect, outside water supply can be connected, a water storage mouth can also be formed, artificial make-up water source, storage can also be received
Sanitary wastewater, limit to without doing, secondly the bottom of water storage structure 100 sets inlet opening 210, and water inlet is set on water inlet pipe 200
Valve 220, so, as long as opening water intaking valve 220, the water in water storage structure 100 will flow into water inlet pipe 200 to soakaway trench
310, and water intaking valve 220 is preferably disposed on the one end of water inlet pipe 200 away from water storage structure 100, ensures that the wave at water source will not be caused
Take, and the setting of soakaway trench 310, the quantity of soakaway trench 310 set more and almost horizontally disposed, that is to say, that water inlet pipe
200 are vertically arranged in soil, and each soakaway trench 310 connects water inlet pipe 200 respectively, and soakaway trench 310 is preferably parallel to each other
Set, ensure that the water outlet of water inlet pipe 200 is more uniform, water pressure invariableness ensures soil texture stability to reduce noise, and soakaway trench
Infiltration damping hole is set on 310, and the setting of damping hole ensure that water yield, and be to be coated with sponge material layer 311 at damping hole
, that is to say, that when 310 inner inlet of soakaway trench, sponge material layer 311 plays the effect of a water suction, and works as sponge material
During 311 saturation of the bed of material, damping hole is almost in " closing " state, prevents unnecessary water from being flowed out from damping hole, and in soil
In the case of drying, the moisture of sponge material layer 311 is by soil absorption, while by its root absorption, so until root
When needing moisture, the moisture in sponge material layer 311 can provide root absorption, when root is without moisture, sponge material layer 311
Moisture isolated by soil with root, ensure the health of root, be unlikely to occur the phenomenon of flood.
Also include the extrusion structure being embedded in advance in the soil, the extrusion structure includes extrusion bar 610 and guide sleeves
Pipe 601, the inner chamber of the guiding sleeve 601 are provided with internal thread, are provided with and the screw-internal thread fit on the extrusion bar 610
External screw thread, it is described extrusion bar 610 top it is exposed formed rotation section 612, it is described extrusion bar 610 bottom formed with press section
611, the rotation section 612 rotate with drive on the press section 611 under move, the extrusion bar 610 extrudes when moving downward
The sponge material layer 311.The setting of extrusion structure is relatively simple, and rotation section 612, which could be arranged to runner, directly to be set
Handle is set to, as long as rotating bar can be rotated by human hand, and guiding sleeve 601 is embedded in soil, and is extruded
The lower end of bar 610 sets press section 611, and sponge material layer 311 is carried out by press section 611 to extrude can completion water outlet,
It should be noted that when user needs to keep the skin wet to soil, can just use to extrusion structure, and extrude structure simultaneously can
To coordinate water inlet structure to use, when water intaking valve 220 is opened, sponge material layer 311 can be extruded by extruding structure, loosen sea
The method of continuous material layer 311 moisture in soakaway trench 310 is fully absorbed, and to complete press section 611 to sponge material
The extruding of layer 311, so being extruded by the fit system of thread screw, after certain time, when under press section 611
Just be bound to filling soil, so being just difficult to complete extruding work directly by a rod member, so conveniently being exerted a force by rotating, turns
When dynamic, because the surface area of guiding sleeve 601 is larger, so guiding sleeve 601 is embedded soil, will not relative motion, this
When just only by extrusion bar 610 rotated relative to guiding sleeve 601, so can complete extrusion bar 610 upper and lower fortune
Dynamic, the structure of extrusion bar 610, which is not done then, limits to.
Also include drainpipe 410, the drainpipe 410 is provided with draining valve 412, the row of being additionally provided with of soakaway trench 310
Water hole 411, the soakaway trench 310 are connected to the drainpipe 410, and the draining valve 412 is set with the water intaking valve 220 for interlocking
Put, when the water intaking valve 220 is opened, the draining valve 412 ends, and when the water intaking valve 220 is closed, the draining valve 412 is opened
Open, direction of the soakaway trench 310 along the water inlet pipe 200 to the drainpipe 410 tilts down setting, and the drainpipe
410 are provided with downward osculum 411.The setting of drainpipe 410, it is therefore intended that the unnecessary moisture of soakaway trench 310 is drained, and
Drainpipe 410 is by the setting of draining valve 412, in order to ensure the abundant contact of moisture, so draining valve 412 is it cannot be guaranteed that real
When opening, draining valve 412 is to be in opening under normal circumstances, and when water intaking valve 220 is opened, at draining valve 412
In closed mode, ensure the Static Water of soakaway trench 310 and because water feeding pressure caused by gravitional force can increase sponge material
The soaking effect of the bed of material 311, and interlock to set and magnetic valve is coordinated it is achieved that relatively simple facility by interlock circuit.
Also include drying structure, the drying structure includes drying tube 710, the drying tube 710 be symmetrical with it is described enter
Water pipe 200 is arranged at the other end of the soakaway trench 310, and setting is connected with the soakaway trench 310, on the drying tube 710
Dry air valve 711 is provided with, air exhauster 712 is additionally provided with the drying tube 710.If due to incessanly rainfall, be able to can lead
The phenomenon of flood was caused, and the sponge material layer 311 provided can absorb a certain amount of moisture, and passed through setting for drying structure
Put, more moisture can be absorbed, principle is as follows, because in the case of flood excessively, the moisture in sponge material layer 311 is in glutted
Now if drawing the air of soakaway trench 310 by air exhauster 712, the moisture on sponge material layer 311 will be brought into state
Drying tube 710, soakaway trench 310 is taken out of by air exhauster 712, so may proceed to absorb by the sponge material layer 311 of " air-dried "
Moisture in soil, the effect of a dehumidifying is played, prevented flood, drying structure can select to set drier or dry dress
Put raising drying effect.
The soil is provided with soil humidity sensor 502, and the soil humidity sensor 502 is used to detect the soil
Humidity simultaneously exports humidity sampled value, and the soil humidity sensor 502 is connected with humidity control circuit, the humidity control circuit
Humidity Control Strategy is configured with, the Humidity Control Strategy includes
The first top limit of humidity threshold value and the first humidity lower threshold are configured with, when the humidity sampled value is more than top limit of humidity threshold
During value, control water intaking valve 220 closes, controls the dry air valve 711 to open and control the air exhauster 712 to work；Work as institute
State humidity sampled value rain the first humidity lower threshold when, control the dry air valve 711 to close, control the air exhauster
712 stop and control the water intaking valve 220 to open.
By the setting of soil humidity sensor 502, soil moisture value is detected, it is wet so as to be carried out by Humidity Control Strategy
Degree control, and the first top limit of humidity threshold value and the first humidity lower threshold can be set according to demand, such as some flowers
45% and 35% can be respectively set to, and controls humidification and dehumidifying work respectively.
The humidity control circuit also includes water inlet control algolithm and drying control algorithm, the water inlet control algolithm and
The priority of the drying control algorithm is more than the Humidity Control Strategy；
Shown in reference picture 4, the water inlet control algolithm is when meeting default water inlet control condition, controls the water intaking valve
220 close, and the water inlet control condition is：
RHr+（RHr-RHb）*d1/t>RHmax;Wherein, RHmax is the second top limit of humidity threshold value, and t is default time span
Value, RHr are current time humidity sampled value, and RHb is the humidity sampled value before t, and d1 is to stop the delay after water inlet
Corrected parameter;Above-mentioned method describe how the switching between two devices, and this algorithm is used for the pass for controlling water feed apparatus
Close, ensure maximum water inlet effect, save water source, concrete principle is as follows, if necessary to save water source to the full extent, then needs to count
A delay value RHd1 is calculated, the meaning of this value is the increased delay value of humidity after water intaking valve 220 is closed（Due to humidity
Certain time is needed into soil by sponge material layer 311）, so that is, after closing water intaking valve 220, humidity can reach
Just it is not further added by RHr+RHd1, and the increased speed of RHd1 and humidity is relevant（Specific and soil water sorption moisture efficiency, infiltration
The hydraulic pressure of pipe 310, soil volume are related）, so RHd1 is proportional to the increased speed v1 of humidity, as long as so obtaining humidity increase
Speed, by one stop water inlet after delay corrected parameter d1 can be obtained by last value, d1 span is
Be between 0.2-0.4 it is excellent, first define a preset time, such as set preset time be 1 minute, then can be obtained by into
Water valve 220 is in this humidity variable quantity of 1 minute（RHr-RHb）, and this is according to the increased amount of this humidity, it is possible to obtain this
The increased speed v1 of humidity in 1 minute, it is possible at the time of obtaining optimal closing water intaking valve 220, save water to the full extent
Source.
Shown in reference picture 5, the drying control algorithm is when meeting default drying control condition, controls the exhausting
Machine 712 is stopped and controlled the dry air valve 711 to close, and the drying control condition is：
RHr-（RHb-RHr）*d2/t<RHmin;Wherein, RHmin is the second humidity lower threshold, and d2 prolongs for stopping is dried
When corrected parameter.And this algorithm is used for the closing for controlling drying structure, electric energy is saved to the full extent, concrete principle is as follows, such as
Fruit needs to save water source to the full extent, then needs to calculate a delay value RHd2, the meaning of this value is to close dry knot
After structure, the delay value of the reduction of humidity（Certain time is needed because humidity enters sponge material layer 311 by soil）, so
That is after closing drying structure, humidity can reach RHr-RHd2 and just no longer decline, and RHd2 is relevant with speed that humidity reduces
（Specific and soil water sorption moisture efficiency, the hydraulic pressure of soakaway trench 310, soil volume are related）, so RHd2 is proportional to humidity increasing
The speed v2 added, as long as so obtaining the speed of humidity reduction, stopping dried delay corrected parameter d2 by one can
With value to the end, d2 span be 0.3-0.5 between be excellent, define a preset time first, such as set pre-
If the time is 1 minute, then can be obtained by drying structure in this humidity variable quantity of 1 minute（RHb-RHr）, and this basis
The amount of this humidity reduction, it is possible to obtain the speed v2 of humidity reduction in this 1 minute, it is possible to obtain optimal closing drying
At the time of device, electric energy is saved to the full extent.
The water storage structure 100 is provided with cooling-water temperature sensor 111, and the cooling-water temperature sensor 111 is used to detecting water temperature and defeated
Go out a water temperature sampled value, soil temperature sensor 501 is provided with the soil, the soil temperature sensor 501 is used to examine
Survey the soil moisture and export a soil moisture sampled value, the water storage structure 100 is additionally provided with a heater, the heating dress
Put, soil temperature sensor 501 and cooling-water temperature sensor 111 are all connected to a control circuit, the control circuit include plus
Thermal control strategy, the computer heating control strategy is included before opening water intaking valve 220, when the water temperature sampled value is less than the soil temperature
When spending sampled value more than the first preset difference value, control the heater to work a default heat time, be then turned on described
Water intaking valve 220.
By the setting of cooling-water temperature sensor 111, the water in water storage structure 100 can be heated by cooling-water temperature sensor 111, when
If temperature is higher, the larger temperature difference will not be produced, and the default heat time can set according to the water of water storage structure 100
Put, be preferably heated to close to the soil moisture, such as the soil moisture is 23 degrees Celsius, then 18 degrees Celsius can be heated the water to i.e.
Water intaking valve 220 can be opened, wilting phenomenon caused by avoiding the temperature difference, and the above method typically makes field be used to dry megathermal climate.
The water storage structure 100 includes a water storage barrel, and the water storage barrel is embedded in advance inside the soil and shape at the top of it
The water storage opening 101 exposed into one, the water storage opening 101 are provided with the cover plate 102 for closing the water storage opening 101.
By the setting of water storage opening 101 and cover plate 102, user's can is carried out directly by way of toppling over plus hydrodynamic(al) is made, compared with
To be simple and easy, raising stability and reliability.
The cover plate 102 is arranged to sunshading board, and the sunshading board is installed on the water storage opening 101 by actuator 103
On, and the control circuit is connected to, the control circuit includes sunshade control strategy, and the sunshade control strategy includes
Before opening water intaking valve 220, when the water temperature sampled value is higher than the soil moisture sampled value more than the second preset value, control
System controls the actuator 103 to drive the sunshading board to close the 101 1 default off-period of water storage opening, is then turned on
The water intaking valve 220.
By the setting of sunshading board, water temperature rise, water temperature caused by being exposed to the sun for a long time is avoided to be higher than the soil moisture, institute
To avoid temperature from rising by sunshading board.
Shown in reference picture 3, a kind of coiling agricultural root fill system, including for depositing water storage structure 100, the water inlet at water source
Pipe 200 and some coiled structures, the bottom of the water storage structure 100 are provided with inlet opening 210, and the water storage structure 100 is logical
Cross inlet opening 210 to be connected with water inlet pipe 200, the water inlet pipe 200 is provided with water-supply valve 201 and intake pump, the water inlet pipe
200 one end is connected to the inlet opening 210, and the other end connects each coiled structure, and the coiled structure includes extension
Pipe 301 and coiling part 302, the extension 301 is embedded in the soil below plant and upwardly extends setting in advance, described to prolong
The top for stretching pipe 301 sets the coiling part 302, and the extension 301 connects the water inlet pipe 200 and the coiling part
302, the coiling part 302 be provided with it is some spill hole, the coiling part 302 is coated with flower mud 303, the coiling part
302 apart from 10-50 centimetres of the soil surface so that the root of the plant in growth course can with it is described coiling part 302
The flower mud 303 on surface contacts, and the aperture for spilling hole is 3-8 millimeters, and the water inlet pipe 200 is provided with intake pump, the water inlet
When pump work and the unlatching of the water-supply valve 201, water source can move to the coiling part 302 from water storage structure 100.
First, shown in reference picture 3, the workflow and the good effect that plays of the system of the present invention are made in detail
State, first, the composition of whole system is relatively simple, is to play storage water source by a water storage structure 100, water storage structure 100
Effect, outside water supply can be connected, a water storage mouth can also be formed, artificial make-up water source, storage can also be received
Sanitary wastewater, limit to without doing, secondly the bottom of water storage structure 100 sets inlet opening 210, and feedwater is set on water inlet pipe 200
Valve 201 and intake pump, so, as long as opening water-supply valve 201 and control water inlet pump work, in water storage structure 100
Water will flow into water inlet pipe 200 to extension 301, and water-supply valve 201 is preferably disposed on water inlet pipe 200 away from water storage structure 100
One end, ensure to cause the waste at water source, and the setting quantity of extension 301 sets more, and is almost vertically arranged
, that is to say, that water inlet pipe 200 and extension 301 are vertically arranged in soil, and each extension 301 connect respectively into
Water pipe 200, extension 301 are preferably parallel to each other setting, ensure that the water outlet of water inlet pipe 200 is more uniform, water pressure invariableness is made an uproar to reduce
Sound, ensure soil texture stability, and coiling part 302 is set on extension 301, the shape of coiling part 302 can be round
Shape, square or other polymorphic structures, and coil and several are provided with part 302 spill hole, the setting for spilling hole ensure that water outlet
Amount, and it is cladding flower mud 303 to spill at hole, that is to say, that when 301 inner inlet of extension, flower mud 303 plays a water suction
Effect, and flower mud 303 has that preferable plasticity is more soft, so root pipe can be coiled in flower mud 303, and when spending
During 303 saturation of mud, spill hole and be almost in " closing " state, prevent unnecessary water from being flowed out from hole is spilt, and in antecedent soil moisture
In the case of, the moisture in hole is spilt by soil absorption, while by its root absorption, so until when root needs moisture, flower mud
Moisture in 303 can provide root absorption, and when root is without moisture, flower mud 303 itself can play moisture-keeping function, ensure root
The health in portion, it is unlikely to the phenomenon for flood occurred.
The end set of the coiled structure has steam vent, and being provided with the steam vent prevents soil from entering the extension
The supporting network 305 of pipe 301.Because hydraulic pressure is pumping, if so setting without steam vent, script extension 301 and
The air of coiled structure is difficult to discharge from spilling in hole, so being additionally arranged a steam vent, plays the effect of a balance pressure.
Also include return pipe 420, the return pipe 420 is connected to the water storage structure 100 and the coiling part
302, the return pipe 420 is provided with back-water valve (BWV) 421 and back water pump 422, when the back water pump 422 works and the back-water valve (BWV)
421 when being in opening, drives the water in the coiling part 302 to enter the water storage structure 100.Return pipe 420 is set
Put, ensure that unnecessary moisture can return in water storage structure 100 under the drive of back water pump 422, save water source, it is relatively simple can
Lean on.
Also include drying structure, the drying structure includes drying tube 710, the drying tube 710 be symmetrical with it is described enter
Water pipe 200 is arranged at the other end of the extension 301, and setting is connected with the extension 301, on the drying tube 710
Pumping air valve 713 is provided with, air exhauster 712 is additionally provided with the drying tube 710.If due to incessanly rainfall, be able to can lead
The phenomenon of flood was caused, and the flower mud 303 provided can absorb a certain amount of moisture, and pass through the setting of drying structure, can be with
Absorb more moisture, principle is as follows, due to excessively flood in the case of, the moisture in flower mud 303 be in glutted state now if
By the air of the absorption extension 301 of air exhauster 712, the moisture in flower mud 303 will be brought into drying tube 710, by air exhauster
712 take extension 301 out of, so may proceed to absorb the moisture in soil by the flower mud 303 of " air-dried ", play a dehumidifying
Effect, prevented flood, drying structure can select to set drier or drying device to improve drying effect.
The soil is provided with soil humidity sensor 502, and the soil humidity sensor 502 is used to detect the soil
Humidity simultaneously exports humidity sampled value, and the soil humidity sensor 502 is connected with humidity control circuit, the humidity control circuit
Humidity Control Strategy is configured with, the Humidity Control Strategy includes
The first top limit of humidity threshold value and the first humidity lower threshold are configured with, when the humidity sampled value is more than top limit of humidity threshold
During value, control water-supply valve 201 closes, controls feed pump 202 to be stopped, controlling the pumping air valve 713 to open and control
The air exhauster 712 works；When the humidity sampled value rains the first humidity lower threshold, the pumping air valve is controlled
713 close, control the air exhauster 712 to stop and control the water-supply valve 201 to open.
By the setting of soil humidity sensor 502, soil moisture value is detected, it is wet so as to be carried out by Humidity Control Strategy
Degree control, and the first top limit of humidity threshold value and the first humidity lower threshold can be set according to demand, such as some flowers
45% and 35% can be respectively set to, and controls humidification and dehumidifying work respectively.
The humidity control circuit also includes water inlet control algolithm and drying control algorithm, the water inlet control algolithm and
The priority of the drying control algorithm is more than the Humidity Control Strategy；
Shown in reference picture 4, the water inlet control algolithm is when meeting default water inlet control condition, controls the water-supply valve
201220 close, and the water inlet control condition is：
RHr+（RHr-RHb）*d1/t>RHmax;Wherein, RHmax is the second top limit of humidity threshold value, and t is default time span
Value, RHr are current time humidity sampled value, and RHb is the humidity sampled value before t, and d1 is to stop the delay after water inlet
Corrected parameter;Above-mentioned method describe how the switching between two devices, and this algorithm is used for the pass for controlling water feed apparatus
Close, ensure maximum water inlet effect, save water source, concrete principle is as follows, if necessary to save water source to the full extent, then needs to count
A delay value RHd1 is calculated, the meaning of this value is the increased delay value of humidity after water-supply valve 201 is closed（Due to humidity
Certain time is needed into soil by sponge material layer 311）, so that is, after closing water-supply valve 201, humidity can reach
Just it is not further added by RHr+RHd1, and the increased speed of RHd1 and humidity is relevant（Specific and soil water sorption moisture efficiency, extension
The hydraulic pressure of pipe 301, soil volume are related）, so RHd1 is proportional to the increased speed v1 of humidity, as long as so obtaining humidity increase
Speed, by one stop water inlet after delay corrected parameter d1 can be obtained by last value, d1 span is
Be between 0.2-0.4 it is excellent, first define a preset time, such as set preset time be 1 minute, then can be obtained by
Water valve 201 is in this humidity variable quantity of 1 minute（RHr-RHb）, and this is according to the increased amount of this humidity, it is possible to obtain this
The increased speed v1 of humidity in 1 minute, it is possible at the time of obtaining optimal closing water-supply valve 201, save water to the full extent
Source.
Shown in reference picture 5, the drying control algorithm is when meeting default drying control condition, controls the exhausting
Machine 712 is stopped and controlled the pumping air valve 713 to close, and the drying control condition is：
RHr-（RHb-RHr）*d2/t<RHmin;Wherein, RHmin is the second humidity lower threshold, and d2 prolongs for stopping is dried
When corrected parameter.And this algorithm is used for the closing for controlling drying structure, electric energy is saved to the full extent, concrete principle is as follows, such as
Fruit needs to save water source to the full extent, then needs to calculate a delay value RHd2, the meaning of this value is to close dry knot
After structure, the delay value of the reduction of humidity（Certain time is needed because humidity enters flower mud 303 by soil）, so namely
Say, after closing drying structure, humidity can reach RHr-RHd2 and just no longer decline, and RHd2 is relevant with speed that humidity reduces（Tool
The efficiency of body and soil water sorption moisture, the hydraulic pressure of extension 301, soil volume are related）, so to be proportional to humidity increased by RHd2
Speed v2, as long as so obtaining the speed of humidity reduction, stopping dried delay corrected parameter d2 cans by one obtains
Value to the end, d2 span be 0.3-0.5 between be excellent, when defining a preset time first, such as setting default
Between be 1 minute, then can be obtained by drying structure in this humidity variable quantity of 1 minute（RHb-RHr）, and this is according to this
The amount of humidity reduction, it is possible to obtain the speed v2 of humidity reduction in this 1 minute, it is possible to obtain optimal closing drying device
At the time of, electric energy is saved to the full extent.
The water storage structure 100 is provided with cooling-water temperature sensor 111, and the cooling-water temperature sensor 111 is used to detecting water temperature and defeated
Go out a water temperature sampled value, soil temperature sensor 501 is provided with the soil, the soil temperature sensor 501 is used to examine
Survey the soil moisture and export a soil moisture sampled value, the water storage structure 100 is additionally provided with a heater, the heating dress
Put, soil temperature sensor 501 and cooling-water temperature sensor 111 are all connected to a control circuit, the control circuit include plus
Thermal control strategy, the computer heating control strategy is included before opening water-supply valve 201, when the water temperature sampled value is less than the soil temperature
When spending sampled value more than the first preset difference value, control the heater to work a default heat time, be then turned on described
Water-supply valve 201.
By the setting of cooling-water temperature sensor 111, the water in water storage structure 100 can be heated by cooling-water temperature sensor 111, when
If temperature is higher, the larger temperature difference will not be produced, and the default heat time can set according to the water of water storage structure 100
Put, be preferably heated to close to the soil moisture, such as the soil moisture is 23 degrees Celsius, then 18 degrees Celsius can be heated the water to i.e.
Water-supply valve 201 can be opened, wilting phenomenon caused by avoiding the temperature difference, and the above method typically makes field be used to dry megathermal climate.
The water storage structure 100 includes a water storage barrel, and the water storage barrel is embedded in advance inside the soil and shape at the top of it
The water storage opening 101 exposed into one, the water storage opening 101 are equipped with the cover plate 102 for closing the water storage opening 101.It is logical
The setting of water storage opening 101 and cover plate 102 is crossed, user's can is carried out directly by way of toppling over plus hydrodynamic(al) is made, more
It is simple and easy, improve stability and reliability.
The cover plate 102 is arranged to sunshading board, and the sunshading board is installed on the water storage opening 101 by actuator 103
On, and the control circuit is connected to, the control circuit includes sunshade control strategy, and the sunshade control strategy includes
Before opening water-supply valve 201, when the water temperature sampled value is higher than the soil moisture sampled value more than the second preset value, control
System controls the actuator 103 to drive the sunshading board to close the 101 1 default off-period of water storage opening, is then turned on
The water-supply valve 201.
By the setting of sunshading board, water temperature rise, water temperature caused by being exposed to the sun for a long time is avoided to be higher than the soil moisture, institute
To avoid temperature from rising by sunshading board.
The present invention also provides a kind of agricultural root-irrigation method, there is provided a kind of agricultural root fill system, including for depositing water source
Water storage structure 100, water inlet pipe 200 and some soakaway trench 310, the bottom of the water storage structure 100 are provided with inlet opening 210,
The water storage structure 100 is connected by inlet opening 210 with water inlet pipe 200, and one end of the water inlet pipe 200 is connected to the water inlet
Hole 210；
The water inlet pipe 200 is provided with water intaking valve, each soakaway trench 310 of connection of the water inlet pipe 200, the soakaway trench
Some infiltration damping holes set up are distributed with 310, the outer surface of the soakaway trench 310 is also wrapped on sponge material layer
311, being partially filled with for the sponge material layer 311 is set into the infiltration damping hole, and the aperture of the infiltration damping hole is 2 millis
Rice is to 8 millimeters, and the caliber of the soakaway trench 310 is gradually reduced along the direction away from the water inlet pipe 200, the soakaway trench 310
Caliber be 50-100 times of aperture of the infiltration damping hole, the soakaway trench 310 is embedded in the soil inside and distance in advance
The distance of soil upper surface is 1-3 rice, and the level height of the water storage structure 100 is set so that institute higher than the soakaway trench 310
The soakaway trench 310 can be filled under gravity by stating the water inside water storage structure 100；
The water inlet pipe 200 is provided with water-supply valve 220201 and intake pump and intake pump, and the water inlet pipe 200 connects each
The coiled structure, the coiled structure includes extension 301 and coiling part 302, the extension 301 are embedded in plant in advance
In the soil of lower section and setting is upwardly extended, the top of the extension 301 sets the coiling part 302, the extension
The 301 connection water inlet pipes 200 and the coiling part 302, the coiling part 302, which is provided with, some spills hole, the coiling
Part 302 is coated with flower mud 303, and the coiling part 302 is apart from 10-50 centimetres of the soil surface so that the root of the plant
It can be contacted in growth course with the flower mud 303 on coiling part 302 surface, the aperture for spilling hole is 3-8 millimeters, institute
When stating into water pump work and the unlatching of the water-supply valve 220201, water source can move to the coiling part from water storage structure 100
302；
Specifically include following steps：
Step 1, soil moisture is controlled by unlatching/closing water intaking valve until plant growth to its root is coiled in coiling part
302, into step 2；
Step 2, the humidity of plant root is controlled by unlatching/closing water-supply valve 220201 and unlatching/closing feed pump 202.
Certainly, the above is the representative instance of the present invention, and in addition, the present invention can also have other a variety of specific implementations
Mode, all technical schemes formed using equivalent substitution or equivalent transformation, is all fallen within the scope of protection of present invention.
Claims (6)
- A kind of 1. agricultural root fill system, it is characterised in that：Including the water storage structure for depositing water source, water inlet pipe and some ooze Water pipe, the bottom of the water storage structure are provided with inlet opening, and the water storage structure is connected by inlet opening with water inlet pipe, it is described enter One end of water pipe is connected to the inlet opening；The water inlet pipe is provided with water intaking valve, each soakaway trench of connection of the water inlet pipe, is distributed with the soakaway trench Some infiltration damping holes set up, the outer surface of the soakaway trench are also wrapped on sponge material layer, the sponge material layer Be partially filled with into it is described infiltration damping hole set, it is described infiltration damping hole aperture be 2 millimeters to 8 millimeters, the soakaway trench Caliber be gradually reduced along away from the direction of the water inlet pipe, the caliber of the soakaway trench is the aperture of the infiltration damping hole 50-100 times, the soakaway trench is embedded in inside the soil in advance and the distance apart from soil upper surface is 1-3 rice, the water storage knot The level height of structure set higher than the soakaway trench so that the water inside the water storage structure can fill under gravity it is described Soakaway trench；The water inlet pipe is provided with water-supply valve and intake pump and intake pump, each coiling knot of water inlet pipe connection Structure, the coiled structure include extension and coiling part, and the extension is embedded in the soil below plant simultaneously upwards in advance It is extended, the top of the extension sets the coiling part, and the extension connects the water inlet pipe and the coiling Part, the coiling part be provided with it is some spill hole, the coiling part is coated with flower mud, soil described in the coiling member distance 10-50 centimetres of earth surface so that the plant root in growth course can with it is described coiling parts surface flower mud contact, The aperture for spilling hole is 3-8 millimeters, it is described water inlet pump work and the water-supply valve open when, water source can be transported from water storage structure Move to the coiling part.
- A kind of 2. agricultural root fill system as claimed in claim 1, it is characterised in that：Also include being embedded in squeezing in the soil in advance Go out structure, the extrusion structure includes extrusion bar and guiding sleeve, and the inner chamber of the guiding sleeve is provided with internal thread, described The external screw thread with the screw-internal thread fit is provided with extrusion bar, the exposed formation rotation section in top of the extrusion bar is described to squeeze The bottom of rod formed with press section, the rotation section rotate with drive on the press section under move, the extrusion bar is downward The sponge material layer is extruded during motion.
- A kind of 3. agricultural root fill system as claimed in claim 1, it is characterised in that：Also include drainpipe, the drainpipe is set Draining valve is equipped with, the soakaway trench is additionally provided with osculum, and the soakaway trench is connected to the drainpipe, the draining valve and institute Water intaking valve is stated to set for interlocking, when the water intaking valve is opened, the draining valve cut-off, when the water intaking valve is closed, the draining Valve is opened, and direction of the soakaway trench along the water inlet pipe to the drainpipe tilts down setting, and the drainpipe is set There is downward osculum.
- A kind of 4. agricultural root fill system as claimed in claim 1, it is characterised in that：The end set of the coiled structure has row Stomata, the supporting network for preventing soil from entering the extension is provided with the steam vent.
- A kind of 5. agricultural root fill system as claimed in claim 1, it is characterised in that：Also include return pipe, the return pipe connects It is connected to the water storage structure and the coiling part, the return pipe is provided with back-water valve (BWV) and back water pump, when the backwater Pump work and when the back-water valve (BWV) is in opening, drives the water in the coiling part to enter the water storage structure.
- A kind of 6. agricultural root-irrigation method, it is characterised in that：A kind of agricultural root fill system is provided, including for depositing the water storage at water source Structure, water inlet pipe and some soakaway trench, the bottom of the water storage structure are provided with inlet opening, and the water storage structure passes through water inlet Hole is connected with water inlet pipe, and one end of the water inlet pipe is connected to the inlet opening；The water inlet pipe is provided with water intaking valve, each soakaway trench of connection of the water inlet pipe, is distributed with the soakaway trench Some infiltration damping holes set up, the outer surface of the soakaway trench are also wrapped on sponge material layer, the sponge material layer Be partially filled with into it is described infiltration damping hole set, it is described infiltration damping hole aperture be 2 millimeters to 8 millimeters, the soakaway trench Caliber be gradually reduced along away from the direction of the water inlet pipe, the caliber of the soakaway trench is the aperture of the infiltration damping hole 50-100 times, the soakaway trench is embedded in inside the soil in advance and the distance apart from soil upper surface is 1-3 rice, the water storage knot The level height of structure set higher than the soakaway trench so that the water inside the water storage structure can fill under gravity it is described Soakaway trench；The water inlet pipe is provided with water-supply valve and intake pump and intake pump, each coiling knot of water inlet pipe connection Structure, the coiled structure include extension and coiling part, and the extension is embedded in the soil below plant simultaneously upwards in advance It is extended, the top of the extension sets the coiling part, and the extension connects the water inlet pipe and the coiling Part, the coiling part be provided with it is some spill hole, the coiling part is coated with flower mud, soil described in the coiling member distance 10-50 centimetres of earth surface so that the plant root in growth course can with it is described coiling parts surface flower mud contact, The aperture for spilling hole is 3-8 millimeters, it is described water inlet pump work and the water-supply valve open when, water source can be transported from water storage structure Move to the coiling part；Specifically include following steps：Step 1, soil moisture is controlled to be coiled up to plant growth to its root in coiling part by unlatching/closing water intaking valve, Into step 2；Step 2, the humidity of plant root is controlled by unlatching/closing water-supply valve and unlatching/closing feed pump.
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| CN110692497A (en) * | 2019-11-21 | 2020-01-17 | 中国农业科学院农田灌溉研究所 | Accurate intelligent irrigation and drainage system for tea leaves |
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Application publication date: 20180323 |