CN106069381B - A kind of greenhouse collection rain section fills automatic control system and method - Google Patents
A kind of greenhouse collection rain section fills automatic control system and method Download PDFInfo
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- CN106069381B CN106069381B CN201610442103.2A CN201610442103A CN106069381B CN 106069381 B CN106069381 B CN 106069381B CN 201610442103 A CN201610442103 A CN 201610442103A CN 106069381 B CN106069381 B CN 106069381B
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- 238000000034 method Methods 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 146
- 239000002689 soil Substances 0.000 claims abstract description 57
- 238000003973 irrigation Methods 0.000 claims abstract description 26
- 230000002262 irrigation Effects 0.000 claims abstract description 26
- 238000012545 processing Methods 0.000 claims description 26
- 229920003023 plastic Polymers 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 4
- 238000009825 accumulation Methods 0.000 claims description 3
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- 238000005086 pumping Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 238000003306 harvesting Methods 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 238000012271 agricultural production Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 239000003337 fertilizer Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009328 dry farming Methods 0.000 description 2
- 239000000575 pesticide Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 1
- 241000036318 Callitris preissii Species 0.000 description 1
- 231100000674 Phytotoxicity Toxicity 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 229940088710 antibiotic agent Drugs 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 239000003621 irrigation water Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
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- 238000013014 water-saving technology Methods 0.000 description 1
Classifications
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- 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
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/24—Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
- A01G9/247—Watering arrangements
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/02—Methods or installations for obtaining or collecting drinking water or tap water from rain-water
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental Sciences (AREA)
- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Soil Sciences (AREA)
- Greenhouses (AREA)
Abstract
The invention discloses a kind of greenhouse collection rain sections to fill automatic control system and its implementation method, which includes that greenhouse collection rain system, pipe-line system and section fill automatic control system；Wherein greenhouse collection rain system includes collection rain face at the top of a greenhouse, the collecting tray that collection rain face low side is arranged in and setting on the ground or the rain collecting pool of underground, rain collecting pool are connected by aqueduct and collecting tray；Pipe-line system includes water-supply pipeline and hollow billet；It includes DC power supply, central intelligent controller, the soil moisture sensor being arranged in soil, the water level sensor being arranged in inside rain collecting pool and the water pump that rain collecting pool bottom end is arranged in that section, which fills automatic control system,.The present invention provides water-resource guarantee for industrialized agriculture production, provides technological means for water-saving irrigation automation, while realizing the automation control of Different irrigation quota.
Description
Technical field
The present invention relates to rainwater harvestings and water-saving irrigation technique field.
Background technique
Using heliogreenhouse, vinyl house as the industrialized agriculture production technology of principal mode, provided for people fresh anti-
Season veterinary antibiotics, edible mushroom and flowers etc. to raising people's living standard, are increased farmers' income with highly important meaning
Justice.Due to lacking water source, the greenhouse in some areas can only take dry farming cropping pattern.The plantation of dry farming greenhouse is due to lacking water
Source, first is that causing crop-planting kind to be limited, production method falls behind；Second is that it is difficult to improve product quality and yield, productivity effect
It is not high；Third is that the fertilizer and pesticide of application directly can not quickly go deep into root system, the waste of medicine fertilizer and phytotoxicity residual are caused.
At present in the agricultural production in China, the contradiction of supply and demand for the water resource is prominent, and most area water resource lacks, rainfall season
Section property is unevenly distributed, drought and waterlogging alternating, while Rainfall Disaster not timing occurs.Rainwater harvesting can mitigate rain disasters, slow down water
Resource supply and demand contradiction；Lack the place of iirigation water source, rainwater becomes unique water source of agricultural production, has to collect, rainwater harvesting
Important leverage as industrialized agriculture production；There is the place of underground water source, collection rain can greatly save groundwater resources, reduce ground
It is lauched yield, advantageously accounts for the ecological environment problems such as surface subsidence, the cone of depression.Rainwater efficient technique of rainwater utilization has become
Drought-resistant agriculture regional development agricultural production at present, especially progress industrialized agriculture production and realization agriculture industrialization, intensive warp
The main path of battalion.In semiarid zone, with Plastic Greenhouse face collection rain, the water self-sufficiency mode that high-efficient irrigation utilizes in canopy,
It is a kind of practical and economic rainwater utilization mode.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of greenhouse collection rain sections to fill automatic control system and its implementation
Method can produce for industrialized agriculture and provide water-resource guarantee, provide technological means for water-saving irrigation automation, while realizing not
With the automation control of irrigating water quota.
In order to solve the above technical problems, the technical solution used in the present invention is as follows.
A kind of greenhouse collection rain section fills automatic control system, include in the structure of the system greenhouse collection rain system,
Pipe-line system and section fill automatic control system；The greenhouse collection rain system includes the collection rain positioned at greenhouse top peripheral
Face, the collecting tray that collection rain face low side is set and setting on the ground or the rain collecting pool of underground, the rain collecting pool by aqueduct with
The collecting tray is connected；The pipe-line system includes water-supply pipeline and hollow billet, is provided with valve on the water-supply pipeline；Institute
Stating section and filling automatic control system includes DC power supply, the central intelligent controller being electrically connected with DC power supply, setting in soil
Inside carries out the soil moisture sensor of soil humidity measuring and centrally located intelligent controller signal input part, is arranged described
Water level sensor and the setting of water level accumulation measurement and centrally located intelligent controller signal input part are carried out inside rain collecting pool
In the rain collecting pool bottom end and the water pump of centrally located intelligent controller signal output end.
As a preferred technical solution of the present invention, in the greenhouse collection rain system, the collection rain face is temperature
The waterproof inclination film surface of room greenhouse, this film surface are divided into two parts up and down by the collecting tray, wherein the lower end of top film surface
Rainwater is introduced directly into collecting tray slot by the inside for being fixed on collecting tray, and the upper end of its underpart film surface is fixed on the outer of collecting tray
Side avoids rainwater from outflowing.
As a preferred technical solution of the present invention, in the greenhouse collection rain system, the collecting tray is horizontal
It is fixed on the skeleton of greenhouse, one end of collecting tray axial direction is enclosed, and the other end passes through aqueduct and the rain collecting pool
It is connected.
As a preferred technical solution of the present invention, in the greenhouse collection rain system, the rain collecting pool setting
In the outside of greenhouse and located underground, buried depth 30-70cm, on rain collecting pool top, there are water inlets and water outlet；Collect rain
The volume in pond is determined according to following formula: V=WCollection-WWith；In formula: V-rain collecting pool volume, WCollection- rainy season collecting water from runoff, WWith- rainy season
Water consumption.
As a preferred technical solution of the present invention, in the pipe-line system, the water-supply pipeline uses plastics
Hose and include supervisor and several branch pipes, passes through the connection such as threeway, elbow between supervisor and branch pipe；The hollow billet is pasted using interior edge
Chip drip irrigation zone, and be connected by bypass with the water-supply pipeline.
As a preferred technical solution of the present invention, filled in automatic control system in the section, the DC power supply is adopted
With solar recharging system, this system includes solar panels, charge controller and storage battery；The signal of the central intelligent controller
Input terminal connects soil moisture sensor and water level sensor simultaneously, the series connection mould of this two sensors group constraint condition in pairs
Formula, when the voltage signal that soil moisture sensor is inputted to central intelligent controller exceeds preset value so that center intelligence control
Device driving warning output channel K1 closure processed, and the voltage signal that water level sensor is inputted to central intelligent controller is default
It is worth in section so that central intelligent controller driving warning output channel K2 closure, two conditions meet then central intelligence simultaneously
It can control device control water pump just to open；As long as and have a disconnection in K1 and K2, water pump is in close state.
As a preferred technical solution of the present invention, filling in automatic control system in the section further includes that multiprocessing is poured water
Quota decrement subsystem, this multiprocessing irrigating water quota decrement subsystem include be electrically connected with DC power supply and with the central intelligence
It can control the intelligent time controller of device communication, this intelligent time controller is programmable with multiple relay output channels
Time-controlling arrangement is respectively provided with solenoid valve on the pipeline of its different output channel, and the work of intelligent time controller is arranged
Mode is timing mode, at the same be arranged its channel 1,2,3 ..., n be also turned on certain time a seconds, then each channel is successively broken
Open certain time b seconds, when a certain channel m is disconnected, 1,2,3 ... the m-1 of channel of front continues to remain open, when the last one is logical
After road n similarly disconnects b seconds, each channel is also turned on again, is recycled；In this way, 1 every connection of channel a seconds just disconnect n ×
It b seconds, just disconnects (n-1) × b seconds within 2 every connection of channel a seconds, just disconnects (n-2) × b seconds within 3 every connection of channel a seconds, the every connection of channel n
It just disconnects b seconds within a seconds, realizes that the irrigating water quota decrement of different zones automatically controls.
A kind of greenhouse collection rain section filling automatic control implementation method, utilizes the waterproof and inclined film surface of greenhouse to make
To collect rain face, the afflux of rainwater is carried out to natural rainfall, and is stored in rain collecting pool by collecting tray, is mentioned for greenhouse irrigation
Watering；Central intelligent controller is respectively soil moisture sensing by power supply output channel under DC power supply condition of power supply
Device and water level sensor provide DC power supply, while respectively by two-way voltage input channel, receive soil moisture sensor with
Water level sensor respectively according to soil moisture state and rain collecting pool water level height send back come two groups of varying voltage signals, this two
A varying voltage signal will be compared with preset alarm voltage value respectively, and when two conditions, i.e. soil moisture represents
Voltage value is lower than preset alarm voltage value and water level represents in rain collecting pool voltage value is higher than preset alarm
When voltage value meets simultaneously, central intelligent controller starts work of drawing water by the energization of warning output channels drive water pump, and leads to
It crosses water-supply pipeline and hollow billet and the rainwater collected in rain collecting pool is transported to crop root soil, provide water for crop normal growth
Source；And the water level when soil moisture increases to the sum of preset alarming value and return difference value or in rain collecting pool is reduced to
When the difference of preset alarming value and return difference value, central intelligent controller will be stopped by warning output channels drive Pump Failure
It only draws water work；Multiprocessing irrigating water quota decrement subsystem is further set when pouring water operation, is arranged not within time-count cycle
With channel opening time successively gradient be reduced, realize different disposal region irrigating water quota be reduced automatically control.
As a preferred technical solution of the present invention, the soil moisture sensor buried depth is in crop root layer, soil
Field capacity be x, corresponding voltage signal be o, preset central intelligent controller alarm voltage value be p, soil
The p/o of earth field capacity, return difference value are q=o-p, when soil moisture content is lower than p/o, central intelligent controller driving alarm
Output channel closure, if meeting rain collecting pool water level height constraint condition simultaneously at this time, solenoid valve starts to pour water；Work as soil
When water content increases to the sum of preset return difference value q and alarming value p o, central intelligent controller will drive warning output to lead to
Road disconnects, and solenoid valve is closed.
As a preferred technical solution of the present invention, when multiprocessing irrigating water quota is reduced subsystem operation at setting four
Reason, the irrigating water quota of four processing are respectively to handle one to be reduced 30%, processing, two decrement 20%, three decrement 10% of processing, as control
Processing four；Intelligent time controller communicates with the central intelligent controller and receives the control signal opened and poured water, setting
Intelligent time controller opens simultaneously 1 minute with processing one, processing two, three corresponding channels 1,2,3 of processing, then channel
1 closes 6 seconds, and then channel 2 is closed 6 seconds, and channel 1 continues to close at this time, and then channel 3 is closed 6 seconds, and channel 1,2 is continued at this time
It closes, then channel 1,2,3 opens simultaneously again, and channel 4 is always on；It is recycled.
The beneficial effects of adopting the technical scheme are that
Facing agricultural of the present invention modernization and the need strategy of Water resources security are asked, surround using of precipitation resource rate it is low with it is water-saving
The horizontal lower problem of irrigation automation, carries out the research that greenhouse collection rain section fills automatic control system and method, integrates wound
New Modern Sensor Technology and intelligent control technology, realize the automation control of Different irrigation quota, mention for industrialized agriculture production
For water-resource guarantee, technological means is provided for water-saving irrigation automation.The present invention can be collected automatically using greenhouse film surface
Rainwater, and the automatic control system and method for carrying out water-saving irrigation in due course according to soil moisture (water content) size, appropriate, are improved
The utilization rate of natural precipitation resource and the automatization level of water-saving irrigation, have the characteristics that energy-saving and environmental protection, green, low-carbon.This hair
Bright system and method can be widely applied to the industrialized agriculture production of the vast water-deficient area of northern China with water-saving irrigation, improve
Using of precipitation resource rate and ensurance probability of irrigation water reduce greenhouse industrial water to extraneous dependence, save irrigation cost, promote pesticide
And the utilization efficiency of fertilizer, improve product quality.
Section of the invention fills the structure that automatic control system has not only fully considered greenhouse collection rain film surface and collecting tray
Optimization problem, while the automatic control of water-saving irrigation is realized, especially preventing because anhydrous empty with water pump in rain collecting pool
Then the water pump burnout problems that may cause have carried out system consideration, by the series model of double constraint conditions, well solve
Only when rain in rain collecting pool, the problem of water pump can just open and close in time according to the size of soil moisture.
Multiprocessing irrigating water quota decrement subsystem of the invention realizes the automation control of Different irrigation quota, is water-saving
The automation of irrigation tests provides technological means, prescribes a time limit for the test of water dropper instantaneous flow, which can be light
Pine nut shows the automation control of Different irrigation quota in the case of trickle irrigation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of greenhouse collection rain system of the present invention, gives two different implementation scenes in figure.
Fig. 2 is the structural schematic diagram of inventive pipeline system.
In figure: greenhouse (1), collection rain face (11), collecting tray (12), aqueduct (13), rain collecting pool (14), water distribution pipeline
Road (21), hollow billet (22).
Specific embodiment
The present invention is described in detail in following embodiment.Various raw materials used in the present invention and items of equipment are conventional city
Product is sold, can be bought and be directly obtained by market.
Embodiment 1, greenhouse collection rain section fill automatic control system.
Referring to attached drawing, automatic control system of the invention includes that greenhouse collection rain system, pipe-line system and section fill automatic
Control system.
One, greenhouse collection rain system.The system includes existing positioned at the collection rain face 11 of 1 top peripheral of greenhouse, setting
Collect the collecting tray 12 of 11 low side of rain face and the rain collecting pool 14 of underground is set, rain collecting pool 14 is connect by aqueduct 13 with collecting tray 12
It is logical；In greenhouse collection rain system, integrate rain face 11 as the waterproof inclination film surface of greenhouse, this film surface is divided by collecting tray 12
Two parts up and down are cut into, rainwater is introduced directly into 12 slot of collecting tray by the inside that wherein lower end of top film surface is fixed on collecting tray 12
It is interior, and the outside that the upper end of its underpart film surface is fixed on collecting tray 12 avoids rainwater from outflowing；Collecting tray 12 is horizontally fixed on greenhouse
It is 0.5m or 5m on the skeleton of greenhouse and away from ground level, the axial one end of collecting tray 12 is enclosed, and the other end passes through water guide
Pipe 13 is connected with rain collecting pool；The outside of greenhouse and located underground, buried depth 50cm, in rain collecting pool is arranged in rain collecting pool 14
There are water inlets and water outlet on 14 tops；One difficult point of the technology of the present invention research and development is the design of greenhouse rain collecting pool size.We
By the analysis of local meteorological data, especially precipitation data, study emphasis canopy face collection rain process testing, experimental result, rain
Water water catchment efficiency and rainfall intensity, greenhouse area and canopy face curvature are closely related, pattern plastic warmhouse booth rainwater harvesting efficiency year
Average out to 73.0%, rainy season average out to 91.0%.And on this basis, the calculating for proposing greenhouse rain collecting pool size design is public
Formula: V=WCollection-WWith；In formula: V-rain collecting pool volume (m3), WCollection- rainy season collecting water from runoff (m3), WWith- rainy season water consumption (m3).According to
0.1 hectare of each greenhouse area calculating, in Shijiazhuang District, each greenhouse rainy season collecting water from runoff is 352.8 m3；It is general every
A greenhouse rainy season water consumption is 225 cubic metres；The design size of so each greenhouse rain collecting pool is 127 cubic metres of left sides
It is right.If the year collection amount of rainfall according to each greenhouse calculates, only with greenhouse collection rain technology, so that it may it is big to meet facility
The water demand of canopy half, relative to water-saving 50%.In addition the modern water-saving technology such as under-film drip irrigation, infiltrating irrigation, PRD trickle irrigation
Using, it is seen that the water saving potential of facility plastic greenhouse collection rain efficient technique of rainwater utilization is very huge.The more average annual rainfalls in the North China Plain
Amount is 500-900mm, is converted into water resources quantity and then reaches hundred million m of 1500-27003, this is for water resource critical shortage area
One very big wealth, rainwater utilization potentialities are still very huge.
Two, pipe-line system.The system includes water-supply pipeline 21 and hollow billet 22, is provided with valve on water-supply pipeline 21；
Water-supply pipeline 21 is using polyethylene plastic hose and includes supervisor and several branch pipes, by threeway, curved between supervisor and branch pipe
First-class connection；Hollow billet 22 is connected using edge patch type drip irrigation tape in Φ 16, and by bypass with water-supply pipeline 21.
Three, section fills automatic control system.The system includes DC power supply, the center intelligence control being electrically connected with DC power supply
Device processed is arranged in and carries out the soil moisture of soil humidity measuring and centrally located intelligent controller signal input part inside soil and pass
The water level biography that water level accumulation measurement and centrally located intelligent controller signal input part are carried out inside rain collecting pool is arranged in sensor
Sensor and the water pump that rain collecting pool bottom end and centrally located intelligent controller signal output end is arranged in, water pump are direct current (DC12v
Or 24v) immersible pump, flow 4-6m3/ h, 6-8 meters of lift；DC power supply uses solar recharging system, this system includes the sun
It can plate, charge controller and DC12V storage battery；Central intelligent controller has 1 road power supply output channel, 4 road alarm relays defeated
Channel, 4 road voltage signal input channels out, supply voltage are direct current DC24V；Soil moisture sensor is voltage sensor,
Range is 0-100%, exports a 0-5V according to the size of soil moisture (water content) under the conditions of direct current DC12V power supply power supply
The relationship of d. c. voltage signal, soil moisture content (Q) voltage signal (v) is: Q=V/5；Water level sensor is voltage sensor,
One 0-5V d. c. voltage signal is exported according to the height of water level under the conditions of direct current DC12V power supply power supply；Central intelligence control
The signal input part of device connects soil moisture sensor and water level sensor simultaneously, this two sensors group constraint condition in pairs
Series model, when the voltage signal that soil moisture sensor is inputted to central intelligent controller exceeds preset value so that center
Intelligent controller drives warning output channel K1 closure, and the voltage signal that water level sensor is inputted to central intelligent controller
So that central intelligent controller driving warning output channel K2 closure, two conditions meet then simultaneously in preset value section
Central intelligent controller control water pump is just opened；As long as and have a disconnection in K1 and K2, water pump is in close state；It is filled in section
Further include in automatic control system multiprocessing irrigating water quota decrement subsystem, this multiprocessing irrigating water quota decrement subsystem include with
The intelligent time controller that DC power supply is electrically connected and communicates with central intelligent controller, this intelligent time controller be with
The programmable time control device of multiple relay output channels, is respectively provided with electromagnetism on the pipeline of its different output channel
Valve, the operating mode of setting intelligent time controller are timing mode, at the same be arranged its channel 1,2,3 ..., n be also turned on one
It fixes time a seconds, then each channel successively disconnects certain time b seconds, when a certain channel m is disconnected, the channel 1,2,3 ... of front
M-1 continues to remain open, and after when the last one channel, n similarly disconnects b seconds, each channel is also turned on again, is recycled；
In this way, 1 every connection of channel a seconds just disconnect n × b seconds, just disconnect (n-1) × b seconds within 2 every connection of channel a seconds, 3 every connection of channel a seconds
It with regard to disconnection (n-2) × b seconds, just disconnects b second within channel n every connection a seconds, realizes the irrigating water quota decrement automatic control of different zones.
Embodiment 2, greenhouse collection rain section, which fill, automatically controls implementation method.
Referring to attached drawing, greenhouse collection rain section, which fills the implementation method automatically controlled, to be waterproof using greenhouse and tilts
Film surface the afflux of rainwater is carried out to natural rainfall as collection rain face 11, and be stored in rain collecting pool 14 by collecting tray 12, be
Greenhouse, which is irrigated, provides water source；Central intelligent controller is distinguished under DC power supply condition of power supply by power supply output channel
DC power supply is provided for soil moisture sensor and water level sensor, while soil is received by two-way voltage input channel respectively
Earth moisture transducer and water level sensor respectively according to soil moisture state and rain collecting pool water level height send back come two groups not
Same voltage signal, two varying voltage signals will be compared with preset alarm voltage value respectively, when two conditions,
The voltage value that the voltage value that i.e. soil moisture represents is represented lower than water level in preset alarm voltage value and rain collecting pool is higher than
When preset alarm voltage value meets simultaneously, central intelligent controller is started by the energization of warning output channels drive water pump
It draws water work, and the rainwater collected in rain collecting pool 14 is transported to by crop root soil by water-supply pipeline and hollow billet, to make
Object normal growth provides water source；And when soil moisture increases to the sum of preset alarming value and return difference value, or collection rain
When water level in pond 14 is reduced to the difference of preset alarming value and return difference value, central intelligent controller will pass through warning output
Channels drive Pump Failure stops pumping work；Multiprocessing irrigating water quota decrement subsystem is further set when pouring water operation,
The opening time in different channels is arranged within time-count cycle, and successively gradient is reduced, and realizes the irrigating water quota decrement in different disposal region
It automatically controls；
More specifically, in central intelligent turn-key system, soil moisture sensor is located in the soil of greenhouse, buried depth
Near crop root layer.Assuming that the field capacity of soil is 40.0%, corresponding voltage signal is 2.000v, is preset
The alarm voltage value of central intelligent controller is 1.600v, and soil moisture content is that 32.0%(is equivalent to water-retaining quantity among field of soil
80%), return difference value is 0.400v, that is, when soil moisture content is lower than the 80% of field capacity, central intelligence control
Device will drive warning output channel (K1) closure；When soil moisture content increases to preset alarming value (1.600v) and return difference
When being worth the sum of (0.400v) (2.000v), that is, soil field capacity when, central intelligent controller will driving report
Alert output channel (K1) is disconnected；Water level sensor is located in rain collecting pool, and buried depth is in the bottom of rain collecting pool.Assuming that water level sensor
Range is 0-1.000m, and corresponding voltage signal is 0-5.000v, presets the alarm voltage value of central intelligent controller
For 1.000v, being equivalent to the depth of water in rain collecting pool is 0.200m, that is, when the depth of water in rain collecting pool is more than 0.200m, in
Entreat intelligent controller that will drive warning output channel (K2) closure；When the depth of water in rain collecting pool drops to preset alarming value
When difference (0.500v) of (1.000v) and return difference value (0.500v), that is, when the depth of water in rain collecting pool lower than 0.100m when
It waits, central intelligent controller will drive warning output channel (K2) to disconnect；The water level height in soil moisture size and rain collecting pool
Under the series model of double constraint conditions, only when K1 and K2 are closed at, water pump is just opened；As long as there is one to break in K1 and K2
It opens, water pump is just closed.In this way, not only ensure that the water when soil moisture (water content) reduces to a certain extent, in rain collecting pool
It timely, in due course, suitable can be transported near crop by water pump, water-supply pipeline, simultaneously, it is thus also avoided that because in rain collecting pool
The anhydrous idle running with water pump and the water pump burnout problems that may cause.Certainly, when anhydrous in rain collecting pool, while estimating in the recent period also without drop
When rain occurs, it can use other water sources and carry out supplement appropriate, to guarantee greenhouse crop water；
Further, in multiprocessing irrigating water quota decrement subsystem, four processing of setting, the fillings of four processing when operation
Water quota is respectively one decrement 30% of processing, handles two decrements 20%, three decrement 10% of processing, as the processing four of control；When intelligent
Between controller communicate and receive with central intelligent controller and open the control signal poured water, setting intelligent time controller and processing
One, processing two, three corresponding channels 1,2,3 of processing open simultaneously 1 minute, and then channel 1 is closed 6 seconds, and then channel 2 is closed
It closes 6 seconds, channel 1 continues to close at this time, and then channel 3 is closed 6 seconds, and channel 1,2 continues to close at this time, and then channel 1,2,3 is again
It opens simultaneously, channel 4 is always on；It is recycled.Such result is exactly that every open of processing one closes 18 seconds, processing for 1 minute
Two every open close 12 seconds, three every opening closing in 1 minute of processing 6 seconds for 1 minute, compare every open 1 minute and close 0 second.To four groups
It handles respective water dropper instantaneous flow and carries out cyclical test three times respectively, as a result as shown in table 1 below:
1 water dropper instantaneous flow measurement result of table
Test result shows that multiprocessing irrigating water quota decrement subsystem work is stablized, in the case of capable of easily realizing trickle irrigation
The automation control of Different irrigation quota.
Foregoing description is only proposed as the enforceable technical solution of the present invention, not as to the single of its technical solution itself
Restrictive condition.
Claims (8)
1. a kind of greenhouse collection rain section fills automatic control system, it is characterised in that: include greenhouse in the structure of the system
Collect rain system, pipe-line system and section and fills automatic control system；
The greenhouse collection rain system includes collecting rain face positioned at the collection rain face (11) of greenhouse (1) top peripheral, setting
(11) collecting tray (12) of low side and setting be on the ground or the rain collecting pool of underground (14), the rain collecting pool (14) pass through aqueduct
(13) it is connected with the collecting tray (12)；
The pipe-line system includes water-supply pipeline (21) and hollow billet (22), is provided with valve on the water-supply pipeline (21)；
It includes DC power supply, the central intelligent controller being electrically connected with DC power supply, setting that the section, which fills automatic control system,
Soil moisture sensor, the setting of soil humidity measuring and centrally located intelligent controller signal input part are carried out inside soil
The water level that water level accumulation measurement and centrally located intelligent controller signal input part are carried out inside the rain collecting pool (14) passes
Sensor and setting are in the rain collecting pool (14) bottom end and the water pump of centrally located intelligent controller signal output end；
Filling in automatic control system in the section further includes multiprocessing irrigating water quota decrement subsystem, this multiprocessing irrigating water quota subtracts
Quantized system includes the intelligent time controller for being electrically connected with DC power supply and communicating with the central intelligent controller, this intelligence
Energy time controller is the programmable time control device with multiple relay output channels, in its different output channel
Be respectively provided with solenoid valve on pipeline, the operating mode of setting intelligent time controller is timing mode, while be arranged its channel 1,2,
3 ..., n is also turned on certain time a seconds, and then each channel successively disconnects certain time b seconds, when a certain channel m is disconnected,
1,2,3 ... the m-1 of channel of front continues to remain open, and after when the last one channel, n similarly disconnects b seconds, each channel is again
It is also turned on, is recycled；In this way, 1 every connection of channel a seconds just disconnects n × b second, 2 every connections of channel a seconds with regard to disconnection (n-1) ×
It b seconds, just disconnects (n-2) × b seconds within 3 every connection of channel a seconds, just disconnects b seconds within channel n every connection a seconds, realize pouring water for different zones
Quota decrement automatically controls.
2. greenhouse collection rain section according to claim 1 fills automatic control system, it is characterised in that: big in the greenhouse
In canopy collection rain system, the waterproof inclination film surface of greenhouse is in the rain face (11) that integrates, this film surface is by the collecting tray (12)
Two parts up and down are divided into, rainwater is introduced directly into collecting tray by the inside that wherein lower end of top film surface is fixed on collecting tray (12)
(12) in slot, and the upper end of its underpart film surface is fixed on the outside of collecting tray (12) and rainwater is avoided to outflow.
3. greenhouse collection rain section according to claim 1 fills automatic control system, it is characterised in that: big in the greenhouse
In canopy collection rain system, the collecting tray (12) is horizontally fixed on the skeleton of greenhouse, one end quilt of collecting tray (12) axial direction
It seals, the other end is connected by aqueduct (13) with the rain collecting pool (14).
4. greenhouse collection rain section according to claim 1 fills automatic control system, it is characterised in that: big in the greenhouse
In canopy collection rain system, the outside in greenhouse (1) and located underground, buried depth 30-70cm is arranged in the rain collecting pool (14),
There are water inlets and water outlet on rain collecting pool (14) top；The volume of rain collecting pool (14) is determined according to following formula: V=WCollection-WWith；Formula
In: V-rain collecting pool volume, WCollection- rainy season collecting water from runoff, WWith- rainy season water consumption.
5. greenhouse collection rain section according to claim 1 fills automatic control system, it is characterised in that: in the pipeline system
In system, the water-supply pipeline (21) is using plastic flexible pipe and includes supervisor and several branch pipes, passes through three between supervisor and branch pipe
Logical, elbow connection；The hollow billet (22) uses interior edge patch type drip irrigation tape, and passes through bypass and the water-supply pipeline (21) phase
Even.
6. greenhouse collection rain section according to claim 1 fills automatic control system, it is characterised in that: filled certainly in the section
In autocontrol system, the DC power supply uses solar recharging system, this system includes solar panels, charge controller and electricity
Bottle；The signal input part of the central intelligent controller connects soil moisture sensor and water level sensor simultaneously, this two groups of biographies
The series model of sensor group constraint condition in pairs, when the voltage signal that soil moisture sensor is inputted to central intelligent controller is super
Preset value is so that central intelligent controller driving warning output channel K1 is closed out, and water level sensor is intelligent to center
The voltage signal of controller input is in preset value section so that central intelligent controller driving warning output channel K2 is closed
It closes, two conditions meet then central intelligent controller control water pump simultaneously and just open；As long as and have a disconnection in K1 and K2, water
Pump is in close state.
7. a kind of greenhouse collection rain section, which fills, automatically controls implementation method, it is characterised in that: waterproof using greenhouse and incline
Oblique film surface carries out the afflux of rainwater to natural rainfall as collection rain face, and is stored in rain collecting pool by collecting tray, is greenhouse
Greenhouse, which is irrigated, provides water source；Central intelligent controller is respectively soil by power supply output channel under DC power supply condition of power supply
Earth moisture transducer and water level sensor provide DC power supply, while receiving the soil water by two-way voltage input channel respectively
It is different electric that sub-sensor and water level sensor send back two groups come according to soil moisture state with rain collecting pool water level height respectively
Signal is pressed, which will be compared with preset alarm voltage value respectively, when two conditions, i.e., native
The voltage value that earth humidity represents is higher than preparatory lower than the voltage value that water level in preset alarm voltage value and rain collecting pool represents
When the alarm voltage value of setting meets simultaneously, central intelligent controller starts to draw water by the energization of warning output channels drive water pump
Work, and the rainwater collected in rain collecting pool is transported to by crop root soil by water-supply pipeline and hollow billet, it is that crop is normal
Growth provides water source；And when soil moisture increases to the sum of preset alarming value and return difference value or in rain collecting pool
When water level is reduced to the difference of preset alarming value and return difference value, central intelligent controller will pass through warning output channels drive
Pump Failure stops pumping work；Multiprocessing irrigating water quota decrement subsystem is further set when pouring water operation, in timing week
Successively gradient is reduced the opening time in the different channels of setting in phase, realizes the automatic control of irrigating water quota decrement in different disposal region
System；
The soil moisture sensor buried depth is in crop root layer, and the field capacity of soil is x, and corresponding voltage signal is
O, the alarm voltage value for presetting central intelligent controller is p, and water-retaining quantity among field of soil px/o, return difference value is q=o-p,
When water capacity is lower than px/o, central intelligent controller drives warning output channel closure, if meeting collection rain simultaneously at this time
Pool water level height constraint condition, then solenoid valve starts to pour water；When water capacity increase to preset return difference value q with
When the sum of alarming value p o, central intelligent controller will drive warning output channel to disconnect, and solenoid valve is closed.
8. greenhouse collection rain section according to claim 7, which fills, automatically controls implementation method, it is characterised in that: multiprocessing fills
Four processing of setting when water quota decrement subsystem operation, the irrigating water quota of four processing are respectively to handle a decrement 30%, processing
Two decrements 20%, processing three are reduced 10%, as the processing four of control；Intelligent time controller and the central intelligent controller are logical
Believe and receive the control signal opened and poured water, setting intelligent time controller is corresponding with processing one, processing two, processing three
Channel 1,2,3 opens simultaneously 1 minute, and then channel 1 is closed 6 seconds, and then channel 2 is closed 6 seconds, and channel 1 continues to close at this time, connects
Channel 3 close 6 seconds, channel 1,2 continues to close at this time, and then channel 1,2,3 opens simultaneously again, and channel 4 is always on；It carries out
Circulation.
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| CN106576557B (en) * | 2016-11-29 | 2023-08-01 | 四川大学 | Water and fertilizer integrated drip irrigation system based on intelligent rain collecting greenhouse |
| WO2018103295A1 (en) * | 2016-12-06 | 2018-06-14 | 秦春明 | Harmless greenhouse system and greenhouse planting method |
| CN106688702B (en) * | 2016-12-06 | 2020-07-17 | 秦春明 | Harmless greenhouse system and greenhouse planting method |
| CN107893443B (en) * | 2017-11-17 | 2020-04-24 | 蚌埠市代双莲藕种植专业合作社 | Automatic greenhouse rainwater collecting and recycling equipment |
| CN108575683A (en) * | 2018-05-18 | 2018-09-28 | 山西省农业科学院旱地农业研究中心 | Crop field industrial crops, which are intelligently taken shelter from rain, collects rain irrigation rig |
| CN110754267A (en) * | 2019-10-08 | 2020-02-07 | 安徽嘉景农业综合开发有限公司 | Ornamental tree cultivation greenhouse control system |
| CN111279951A (en) * | 2019-11-26 | 2020-06-16 | 雪川农业发展股份有限公司 | Water-saving drip irrigation technology for potato planting |
| DE102020119521B4 (en) * | 2020-07-23 | 2024-02-29 | Einhell Germany Ag | Automatic irrigation of an area |
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| CN201450957U (en) * | 2009-07-31 | 2010-05-12 | 华中农业大学 | Device for rainwater harvesting by cover of greenhouse and gravity irrigation |
| CN102487754A (en) * | 2011-11-21 | 2012-06-13 | 王干 | Intelligent ecological greenhouse system based on solar light supplement and geothermal insulation |
| CN202931874U (en) * | 2012-10-19 | 2013-05-15 | 温州盖特科技信息有限公司 | Automatic drip irrigation system of agricultural greenhouse |
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| CN201450957U (en) * | 2009-07-31 | 2010-05-12 | 华中农业大学 | Device for rainwater harvesting by cover of greenhouse and gravity irrigation |
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