CN108029524A - A kind of infiltration type agricultural root fill system - Google Patents
A kind of infiltration type agricultural root fill system Download PDFInfo
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- CN108029524A CN108029524A CN201711356880.6A CN201711356880A CN108029524A CN 108029524 A CN108029524 A CN 108029524A CN 201711356880 A CN201711356880 A CN 201711356880A CN 108029524 A CN108029524 A CN 108029524A
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- water
- humidity
- soil
- soakaway trench
- control
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- 230000008595 infiltration Effects 0.000 title claims abstract description 36
- 238000001764 infiltration Methods 0.000 title claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 181
- 239000002689 soil Substances 0.000 claims abstract description 81
- 239000000463 material Substances 0.000 claims abstract description 33
- 238000013016 damping Methods 0.000 claims abstract description 20
- 230000000694 effects Effects 0.000 claims abstract description 18
- 230000005484 gravity Effects 0.000 claims abstract description 4
- 238000001035 drying Methods 0.000 claims description 46
- 238000001125 extrusion Methods 0.000 claims description 26
- 238000011217 control strategy Methods 0.000 claims description 22
- 238000010438 heat treatment Methods 0.000 claims description 18
- 239000000498 cooling water Substances 0.000 claims description 10
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000000109 continuous material Substances 0.000 claims description 2
- 241000196324 Embryophyta Species 0.000 abstract description 11
- 230000003020 moisturizing effect Effects 0.000 abstract description 2
- 230000005068 transpiration Effects 0.000 abstract description 2
- 238000003973 irrigation Methods 0.000 description 7
- 230000002262 irrigation Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000005080 plant death Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 230000000630 rising effect 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
- 239000002351 wastewater 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
-
- 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
- A01G29/00—Root feeders; Injecting fertilisers into the roots
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Cultivation Of Plants (AREA)
Abstract
The present invention relates to a kind of infiltration type agricultural root fill system, water storage structure is connected by inlet opening with water inlet pipe, water inlet pipe is provided with inlet valve, one end of water inlet pipe is connected to inlet opening, the other end connects each soakaway trench, some infiltration damping holes set up are distributed with soakaway trench, the outer surface of soakaway trench is also wrapped on sponge material layer, sponge material layer is partially filled with the setting of Infiltration water damping hole, and the level height of water storage structure is set so that the water inside water storage structure can fill soakaway trench under the effect of gravity higher than soakaway trench.Pass through the setting of water storage structure and inlet valve, it can 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 plays the effect of a water conservation and moisturizing, ensure the humidity of soil, and plant root can ensure that the water supply of soil according to draws water in transpiration and pulling force from below soil.
Description
Technical field
The present invention relates to agriculture root to fill field, more specifically to a kind of infiltration type agricultural root fill system.
Background technology
With the raising of Agricultural Level, more and more agriculturals are taken the photograph using the sprinkler irrigation technique of high efficient and reliable as auxiliary plant
Water intaking point, and general spray irrigation system be by carrying out effect of the spray water so as to fulfill sprinkling irrigation to blade and soil, 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 influenced by solarization, 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 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, it is an object of the present invention to provide a kind of infiltration type agricultural root fill system.
In order to solve the above-mentioned technical problem, the technical scheme is that：A kind of infiltration type agricultural root fill system, including with
Water storage structure, water inlet pipe and some soakaway trench in storage water source, the lower part of the water storage structure is provided with inlet opening, described
Water storage structure is connected by inlet opening with water inlet pipe, and the water inlet pipe is provided with inlet valve, and one end of the water inlet pipe is connected to
The inlet opening, the other end connect each soakaway trench, and some infiltration dampings set up are distributed with the soakaway trench
Hole, the outer surface of the soakaway trench are also wrapped on sponge material layer, and the sponge material layer is partially filled with into the infiltration resistance
Buddhist nun hole is set, and the aperture of the infiltration damping hole is 2 millimeters to 8 millimeters, and the caliber edge of the soakaway trench deviates from the water inlet pipe
Direction be gradually reduced, the caliber of the soakaway trench is 50-100 times of the aperture of the infiltration damping hole, and the soakaway trench is pre-
It is 1-3 meters to be embedded in the distance inside the soil and apart from soil upper surface, and the level height of the water storage structure is higher than described
Soakaway trench is set so that the water inside the water storage structure can fill the soakaway trench under the effect of gravity.
Further：Further include the pre- extrusion structure being embedded in the soil, the extrusion structure include extrusion bar and
Guiding sleeve, the inner cavity 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 lower part 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：Drainpipe is further included, the drainpipe is provided with drain valve, and the soakaway trench is additionally provided with draining
Hole, the soakaway trench are connected to the drainpipe, and the drain valve is set with the inlet valve for interlocking, and the inlet valve is opened
When, drain valve cut-off, when the inlet valve is closed, the drain 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：Drying structure is further included, the drying structure includes drying tube, and the drying tube is symmetrical with described
Water inlet pipe is arranged at the other end of the soakaway trench, and connects setting with the soakaway trench, and drying is provided with the drying tube
Air valve, is additionally provided with exhaust fan on the drying tube.
Further：The soil is provided with soil humidity sensor, and the soil humidity sensor is used to detect described
Soil moisture simultaneously exports humidity sampled value, and the soil humidity sensor is connected with humidity control circuit, the humid control electricity
Road is configured with Humidity Control Strategy, and 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 inlet valve closes, controls the dry air valve to open and control the exhaust fan to work；When the humidity samples
When being worth the rainy first humidity lower threshold, the control dry air valve closes, controls the exhaust fan to stop and control
The inlet valve is opened.
Further：The humidity control circuit is further included into water control algolithm and drying control algorithm, the water inlet
Control algolithm and the priority of the drying control algorithm are more than the Humidity Control Strategy；
The water inlet control algolithm is when meeting default water inlet control condition, controls the inlet valve to close, 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 moment, and d1 is the delay stopped after water inlet
Corrected parameter;
The drying control algorithm is when meeting default drying control condition, controls the exhaust fan to be stopped and control
Make the dry air valve to close, 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.
Further：The water storage structure is provided with cooling-water temperature sensor, and the cooling-water temperature sensor is used to detecting water temperature and defeated
Go out a water temperature sampled value, soil temperature sensor is provided with the soil, the soil temperature sensor is used to detect soil
Temperature simultaneously exports a soil moisture sampled value, and the water storage structure is additionally provided with a heating unit, the heating unit, soil temperature
Degree sensor and cooling-water temperature sensor are all connected to a control circuit, and the control circuit includes computer heating control strategy, described
Computer heating control strategy includes
Before opening inlet valve, when the water temperature sampled value is less than the soil moisture sampled value more than the first preset difference value, control
Make the heating unit to work a default heating time, be then turned on the inlet valve.
Further：The water storage structure includes a water storage barrel, and the water storage barrel is embedded in inside the soil and at it in advance
One exposed water storage opening is formed on top, and the water storage opening is provided with the cover board for closing the water storage opening.
Further：The cover board is arranged to sunshading board, and the sunshading board is installed on the water storage opening by actuator
On, and the control circuit is connected to, the control circuit includes sunshade control strategy, and the sunshade control strategy includes
Before opening inlet valve, when the water temperature sampled value is higher than the soil moisture sampled value more than the second preset value, control
Control the actuator to drive the sunshading board to close the one default off-period of water storage opening, be then turned on the water inlet
Valve.
The technology of the present invention effect major embodiment is in the following areas：Set in this way, pass through water storage structure and inlet valve
Setting, can 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 plays the effect of a water conservation and moisturizing, ensures the humidity of soil, and plant root can be according to transpiration
Effect and pulling force draws water in soil from below, ensure that the water supply of soil.
Brief description of the drawings
Fig. 1：The structure diagram of the infiltration type agricultural root fill system of the present invention；
Fig. 2：The linear relationship chart of the water inlet control algolithm of the infiltration type agricultural root fill system of the present invention；
Fig. 3：The linear relationship chart of the infiltration type agricultural root fill system drying control algorithm of the present invention；
Fig. 4：The infiltration type agricultural root fill system control circuit connection relationship diagram of the present invention.
Reference numeral：100th, water storage structure；101st, water storage opening；102nd, cover board；103rd, actuator；111st, water temperature senses
Device；200th, water inlet pipe；210th, inlet opening；220th, inlet valve；310th, soakaway trench；311st, sponge material layer；410th, drainpipe；411、
Osculum；412nd, drain valve；501st, soil temperature sensor；502nd, soil humidity sensor；601st, guiding sleeve；610th, extrude
Bar；611st, press section；612nd, rotation section；710th, drying tube；711st, dry air valve；712nd, exhaust fan.
Embodiment
Below in conjunction with attached 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.
Detailed description is made to inventing with reference to diagram, a kind of infiltration type agricultural root fill system, including for storing the water storage at water source
Structure 100, water inlet pipe 200 and some soakaway trench 310, the lower part of the water storage structure 100 is provided with inlet opening 210, described
Water storage structure 100 is connected by inlet opening 210 with water inlet pipe 200, and the water inlet pipe 200 is provided with inlet valve 220, the water inlet
One end of pipe 200 is connected to the inlet opening 210, and the other end connects each soakaway trench 310, divides on the soakaway trench 310
Some infiltration damping holes set up are furnished with, the outer surface of the soakaway trench 310 is also wrapped on sponge material layer 311, described
Being partially filled with for sponge material layer 311 is set into the infiltration damping hole, and the aperture of the infiltration damping hole is 2 millimeters to 8 millis
Rice, the caliber of the soakaway trench 310 are gradually reduced along the direction away from the water inlet pipe 200, and the caliber of the soakaway trench 310 is
50-100 times of the aperture of the infiltration damping hole, the soakaway trench 310 is embedded in inside the soil and apart from soil upper table in advance
The distance in face is 1-3 meters, and the level height of the water storage structure 100 is set higher than the soakaway trench 310 so that the water storage knot
Water inside structure 100 can fill the soakaway trench 310 under the effect of gravity.
First, with reference to shown in Fig. 1, workflow to the system of the present invention and the good effect played 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, exterior water supply can be connected, a water storage mouth can also be formed, artificial make-up water source, can also receive storage
Sanitary wastewater, limits to without doing, and secondly the lower part 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 inlet valve 220, the water in water storage structure 100 will flow into water inlet pipe 200 to soakaway trench
310, and inlet 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 310,310 quantity of soakaway trench set more and almost horizontally disposed, that is to say, that water inlet pipe
200 be to be vertically arranged in the 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 200 water outlet of water inlet pipe 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.
The pre- extrusion structure being embedded in the soil is further included, the extrusion structure includes extrusion bar 610 and guide sleeves
Pipe 601, the inner cavity 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 lower part 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 provided as runner, directly to be set
Be set to handle, as long as rotating bar can be rotated by human hand, and guiding sleeve 601 be it is pre-buried in the soil, and extrude
The lower end of bar 610 sets press section 611, and water outlet can be completed by carrying out extruding to sponge material layer 311 by press section 611,
It should be noted that when user needs to keep the skin wet to soil, can just use to extrusion structure, and extrude structure at the same time can
To coordinate water inlet structure to use, when inlet 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 extruded by the fit system of thread screw, due to after a certain period of time, when under press section 611
Just be bound to filling soil, so being just difficult to complete extruding work directly by a rod piece, so conveniently being exerted a force by rotating, turns
When dynamic, since 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.
Drainpipe 410 is further included, the drainpipe 410 is provided with drain valve 412,310 row of being additionally provided with of soakaway trench
Water hole 411, the soakaway trench 310 are connected to the drainpipe 410, and the drain valve 412 is set with the inlet valve 220 for interlocking
Put, when the inlet valve 220 is opened, the drain valve 412 ends, and when the inlet valve 220 is closed, the drain valve 412 is opened
Open, the 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 drain valve 412, in order to ensure coming into full contact with for moisture, so drain valve 412 is it cannot be guaranteed that real
When opening, drain valve 412 is to be in opening under normal circumstances, and when inlet valve 220 is opened, at drain valve 412
In closed mode, ensure the Static Water of soakaway trench 310 and since the water feeding pressure that gravitional force produces can increase sponge material
The soaking effect of the bed of material 311, and interlock to set and solenoid valve is coordinated it is achieved that relatively simple facility by interlock circuit.
Further include drying structure, the drying structure includes drying tube 710, the drying tube 710 be symmetrical with it is described into
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, exhaust fan 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, since in the case of flood excessively, the moisture in sponge material layer 311 is in glutted
At this time if drawing the air of soakaway trench 310 by exhaust fan 712, the moisture on sponge material layer 311 will be brought into state
Drying tube 710, soakaway trench 310 is taken out of by exhaust fan 712, so may proceed to absorb by the sponge material layer 311 of " air-dried "
Moisture in soil, plays the effect of a dehumidifying, prevents flood, and 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 inlet valve 220 closes, controls the dry air valve 711 to open and control the exhaust fan 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 exhaust fan
712 stop and control the inlet valve 220 to open.
By the setting of soil humidity sensor 502, soil moisture value is detected, so as to be carried out by Humidity Control Strategy wet
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 is further included into water 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；
With reference to shown in Fig. 2, the water inlet control algolithm is when meeting default water inlet control condition, controls the inlet 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 moment, and d1 is the delay stopped 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 inlet valve 220 is closed（Due to humidity
Certain time is needed into soil by sponge material layer 311）, so that is, after closing inlet valve 220, humidity can reach
Just it is not further added by RHr+RHd1, and the increased speed of RHd1 and humidity is related（Specific and soil water sorption moisture efficiency, infiltration
310 hydraulic pressure of pipe, 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, the value range of d1 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 inlet valve 220, save water to the full extent
Source.
With reference to shown in Fig. 3, the drying control algorithm is when meeting default drying control condition, controls the exhausting
Machine 712 is stopped and controls 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 since 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 related with speed that humidity reduces
（Specific and soil water sorption moisture efficiency, 310 hydraulic pressure of soakaway trench, 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, the value range of d2 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 heating unit, 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 inlet 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 heating unit to work a default heating time, be then turned on described
Inlet 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 default heating 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.
Inlet valve 220 can be opened, wilting phenomenon caused by avoiding the temperature difference, and the above method generally 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 board 102 for closing the water storage opening 101.
By the setting of water storage opening 101 and cover board 102, user can carry 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 board 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 inlet 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 inlet 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.
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 solutions formed using equivalent substitution or equivalent transformation, is all fallen within the scope of protection of present invention.
Claims (9)
- A kind of 1. infiltration type agricultural root fill system, it is characterised in that：Including the water storage structure for storing water source, water inlet pipe and Some soakaway trench, the lower part of the water storage structure are provided with inlet opening, and the water storage structure is connected by inlet opening with water inlet pipe, The water inlet pipe is provided with inlet valve, and one end of the water inlet pipe is connected to the inlet opening, and other end connection is each described to ooze Water pipe, is distributed with some infiltration damping holes set up on the soakaway trench, the outer surface of the soakaway trench is also wrapped on sea Continuous material layer, being partially filled with for the sponge material layer are set into the infiltration damping hole, and the aperture of the infiltration damping hole is 2 Millimeter is to 8 millimeters, and the caliber of the soakaway trench is gradually reduced along the direction away from the water inlet pipe, and the caliber of the soakaway trench is 50-100 times of the aperture of the infiltration damping hole, the soakaway trench is embedded in inside the soil and apart from soil upper surface in advance Distance is 1-3 meters, and the level height of the water storage structure sets the water so that inside the water storage structure higher than the soakaway trench The soakaway trench can be filled under the effect of gravity.
- A kind of 2. infiltration type agricultural root fill system as claimed in claim 1, it is characterised in that：Further include and pre- be embedded in the soil In extrusion structure, it is described extrusion structure include extrusion bar and guiding sleeve, the inner cavity of the guiding sleeve be provided with interior spiral shell Line, is provided with external screw thread with the screw-internal thread fit on the extrusion bar, the exposed formation rotation section in top of the extrusion bar, The lower part of the extrusion bar formed with press section, the rotation section rotate with drive on the press section under move, the extrusion The sponge material layer is extruded when bar moves downward.
- A kind of 3. infiltration type agricultural root fill system as claimed in claim 1, it is characterised in that：Further include drainpipe, the row Water pipe is provided with drain valve, and the soakaway trench is additionally provided with osculum, and the soakaway trench is connected to the drainpipe, the draining Valve is set with the inlet valve for interlocking, when the inlet valve is opened, the drain valve cut-off, and when the inlet valve is closed, institute Drain valve unlatching is stated, the direction of the soakaway trench along the water inlet pipe to the drainpipe tilts down setting, and the draining Pipe is provided with downward osculum.
- A kind of 4. infiltration type agricultural root fill system as claimed in claim 1, it is characterised in that：Drying structure is further included, it is described Drying structure includes drying tube, and the drying tube is symmetrical with the other end that the water inlet pipe is arranged at the soakaway trench, and with The soakaway trench connection is set, and is provided with dry air valve on the drying tube, exhaust fan is additionally provided with the drying tube.
- A kind of 5. infiltration type agricultural root fill system as claimed in claim 4, it is characterised in that：It is wet that the soil is provided with soil Sensor is spent, the soil humidity sensor is used to detect the soil moisture and exports humidity sampled value, the soil moisture Sensor is connected with humidity control circuit, and the humidity control circuit is configured with Humidity Control Strategy, the Humidity Control Strategy IncludingThe 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 inlet valve closes, controls the dry air valve to open and control the exhaust fan to work；When the humidity samples When being worth the rainy first humidity lower threshold, the control dry air valve closes, controls the exhaust fan to stop and control The inlet valve is opened.
- A kind of 6. infiltration type agricultural root fill system as claimed in claim 5, it is characterised in that：The humidity control circuit also wraps Include into water control algolithm and drying control algorithm, the priority of the water inlet control algolithm and the drying control algorithm is more than The Humidity Control Strategy；The water inlet control algolithm is when meeting default water inlet control condition, controls the inlet valve to close, 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 moment, and d1 is the delay stopped after water inlet Corrected parameter;The drying control algorithm is when meeting default drying control condition, controls the exhaust fan to be stopped and control Make the dry air valve to close, 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.
- A kind of 7. infiltration type agricultural root fill system as claimed in claim 1, it is characterised in that：The water storage structure is provided with water Temperature sensor, the cooling-water temperature sensor are used to detect water temperature and export a water temperature sampled value, and soil temperature is provided with the soil Sensor is spent, the soil temperature sensor is used to detect the soil moisture and exports a soil moisture sampled value, the water storage knot Structure is additionally provided with a heating unit, and the heating unit, soil temperature sensor and cooling-water temperature sensor are all connected to a control Circuit, the control circuit include computer heating control strategy, and the computer heating control strategy includesBefore opening inlet valve, when the water temperature sampled value is less than the soil moisture sampled value more than the first preset difference value, control Make the heating unit to work a default heating time, be then turned on the inlet valve.
- A kind of 8. infiltration type agricultural root fill system as claimed in claim 7, it is characterised in that：The water storage structure includes one and stores Bucket, the water storage barrel are embedded in inside the soil and an exposed water storage opening, the water storage opening are formed at the top of it in advance It is provided with the cover board for closing the water storage opening.
- A kind of 9. infiltration type agricultural root fill system as claimed in claim 8, it is characterised in that：The cover board is arranged to sunshade Plate, the sunshading board is installed in the water storage opening by actuator, and is connected to the control circuit, the control circuit Include sunshade control strategy, the sunshade control strategy includesBefore opening inlet valve, when the water temperature sampled value is higher than the soil moisture sampled value more than the second preset value, control Control the actuator to drive the sunshading board to close the one default off-period of water storage opening, be then turned on the water inlet Valve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711356880.6A CN108029524A (en) | 2017-12-16 | 2017-12-16 | A kind of infiltration type agricultural root fill system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711356880.6A CN108029524A (en) | 2017-12-16 | 2017-12-16 | A kind of infiltration type agricultural root fill system |
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| CN108029524A true CN108029524A (en) | 2018-05-15 |
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| CN201711356880.6A Pending CN108029524A (en) | 2017-12-16 | 2017-12-16 | A kind of infiltration type agricultural root fill system |
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