CN106525636A - Sensor for monitoring soil moisture content in real time, automatic irrigation system and irrigation method - Google Patents
Sensor for monitoring soil moisture content in real time, automatic irrigation system and irrigation method Download PDFInfo
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- CN106525636A CN106525636A CN201610979533.8A CN201610979533A CN106525636A CN 106525636 A CN106525636 A CN 106525636A CN 201610979533 A CN201610979533 A CN 201610979533A CN 106525636 A CN106525636 A CN 106525636A
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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- 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
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Abstract
The invention discloses a sensor for monitoring the soil moisture content in real time, an automatic irrigation system and an irrigation method. The soil moisture content sensor has the advantages of high monitoring accuracy, sensitive reaction, high stability and low cost. According to the soil moisture monitoring automatic irrigation system established based on the sensor, a soil moisture content real-time monitoring and control system with excellent performance can be developed by applying the quality senor according to the characteristic that the vegetable root layer has relatively shallow distribution, so that the monitoring result is representative; and the volume and range for soil monitoring can be enlarged according to requirements to achieve the effects of real-time accurate monitoring and soil moisture content control. By adopting the irrigation method according to real-time soil moisture content monitoring, a specific accurate irrigation index and irrigation system can be formulated according to root layer distribution characteristics and growing characteristics of vegetables, the soil moisture content situation can be monitored in real time, and important effects of saving water resource, increasing yield and improving benefits can be achieved in production application. The sensor, the automatic irrigation system and irrigation method are applicable to the fields of agronomy and pedology.
Description
Technical field
The present invention relates to agronomy and agrology field, more particularly to a kind of sensor of real-time monitoring soil moisture content,
Automatic irrigation system and irrigation method.
Background technology
At present, as vegetable produces the continuous expansion of planting scale, multiple crop index increases, annually cultivating industrial water amount
Increase therewith；In addition vegetables production area is largely focused on the comparatively developed regions of the contradiction of supply and demand for the water resource protrusion, therefore carrying out Vegetable
Water-saving irrigation technique is of great importance to alleviating shortage of water resources, and the development and application of agricultural water-saving irrigation technology are also increasingly by weight
Depending on.In recent years, agricultural water-saving irrigation technology is developed a collection of advanced water saving and is filled by multi-disciplinary intersection, fusion and integrated
Technology and institution is irrigate, water-saving result is notable in production application.But due to various Soil Moisture Content Monitorings exist it is various
Limitation, makes there is certain distance between survey moisture in the soil automatic irrigation technology and its using method and agricultural production practical application.
Existing soil moisture sensor has and all there are some existing problems in produce reality should have：The soil of tonometer method
It is slow to there is reaction in earth soil moisture content sensor, it is impossible to which real-time monitoring goes out soil water content；There is use and maintenance in Neutron Moisture Meter method
Method is loaded down with trivial details, the big technical problem of neutron source radiation protection operation difficulty, is not suitable for being used in agricultural production in practice；Frequency domain
Reflectometer（FDR）Method and TDR method principles, method, effect and effect basic simlarity, being capable of quick, convenient and Continuous Observation soil
Water content, becomes the main flow of soil moisture content real-time monitoring, realizes the target of real-time monitoring soil moisture, and measurement soil at present
More common soil sensor in earth water content.But its probe price is higher, is contained with legal real-time monitored soil moisture is inserted
Invest larger during amount, and have strict demand to the on position of probe away from section is excavated, it is necessary to prevent each in earth's surface and soil
Gap flowing of the moisture of interlayer along between conduit and soil, in different soils property testing, Parameters variation is larger, by soil
The very big interference of the changes such as quality, environmental factorss.There is monitoring point narrow and small, monitoring result is unstable, do not possess representativeness etc. and ask
Topic, in production application, Monitoring Data also needs to be modified with loaded down with trivial details experimental analysiss, and takes and use several soil moisture contents
Sensor multiple spot detects that the strategy such as weighted average calculation improves sensor accuracy, and the means and method of monitoring are more complicated, it is difficult to
Popularization and application on a large scale in production.
Meanwhile, vegetable production requirement intensive cultivation, on water and fertilizer management duty apply it is thin apply, this is that vegetable liquid manure characteristics of demand is taken
Concrete measure.There are several key issues in vegetable irrigation：（1）The distribution of vegetable root layer is shallow, and absorbability is weaker, can quilt in soil
The soil moisture storage that vegetable absorbs is little, and moisture imbalance between supply and demand is than more prominent, growing process requirement frequent irrigation, and irrigates
Amount is not easy to grasp.As soil moisture content is difficult to judge to cause to irrigate problem generally existing that is not enough or irrigating excess in production,
Must Precision Irrigation could meet vegetable irrigation requirement.（2）The production kind of Vegetable Base is more, and the vegetable of different fields is not
Together, irrigation volume requires that difference is big；And victual requires balanced listing, the vegetable of production base plantation is often specially staggered and broadcasts
Kind of phase, make that the vegetable period of duration in base is inconsistent, its period of duration is short, and growth course transpiration rate changes greatly, water requirement change very greatly,
Cause the water requirement in every block of soil all inconsistent, also result in the dramatic difference of irrigation volume requirement；Irrigation volume is also subject to climatic factor
Impact it is very big, it is necessary to real-time and precise irrigate could meet vegetable irrigation requirement.（3）Vegetable growth and its demand to moisture are received
The impact of many factors, irrigation have extremely significant regulating and controlling effect to vegetable growth, it is necessary to combine and formulate standardized production measure, adopt
Take Rational Irrigation index and irrigation program timely and appropriate discovery is irrigated, could regulate and control and promote vegetable growth, it is ensured that meet vegetable growth
Demand, reaches increase yield, the purpose of improve quality.It would therefore be highly desirable to a kind of irrigation method of science.
The content of the invention
For solving the above problems, the present invention provide a kind of sensor of real-time monitoring soil moisture content, automatic irrigation system and
Irrigation method.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of soil moisture content sensor of real-time monitoring soil moisture content, is provided with the shell of opening including upper end, and the inside the shell sets
There is base, the base is provided with mass sensor, above the mass sensor, be provided with the gear soil for lifting detection soil
Plate, the breast boards are arranged at the opening of shell, and the breast boards is with the edge of opening of shell by flexible flexible glue sealing.
The improvement of technical solution of the present invention is further used as, the mass sensor is provided with the data for transmission signal
Line, is additionally provided with the hard body for protecting data wire on the outside of the shell, the data wire outlet is arranged on the side of shell
Face simultaneously passes through hard body.
A kind of survey moisture in the soil automatic irrigation system, the soil that the soil moisture content sensor will be captured by data wire are also provided
Soil moisture content signal input surveys moisture in the soil irrigation controller, and soil moisture content signal is transformed into pouring by the survey moisture in the soil irrigation controller orders and defeated
Go out to control irrigation system.
The improvement of technical solution of the present invention is further used as, the survey moisture in the soil irrigation controller includes single-chip microcomputer, display, control
Button processed and data line interface, the survey moisture in the soil automatic irrigation controller are provided with the irrigation index and irrigation program of setting, according to soil
Earth soil moisture content situation surveys moisture in the soil automatic irrigation, and the monitor value of soil moisture content sensor is changed into the order for controlling irrigation system, the control
Button processed is used for arranging specific irrigation index and irrigation program.
The improvement of technical solution of the present invention is further used as, the survey moisture in the soil irrigation controller is additionally provided with for connecting PC
Or the data line interface of IC-card, the irrigation system is provided with water pump and electromagnetic valve, the survey moisture in the soil irrigation controller control water pump and
The opening and closing of electromagnetic valve.
A kind of irrigation method of real-time monitoring soil moisture content is also provided, is comprised the following steps：
A. the soil moisture content sensor for being adapted size is selected or is manufactured according to planting vegetable and its agronomy custom;According to plantation
The specification requirement of vegetable is arranged and installs soil moisture content sensor;
B. soil moisture content sensor is placed in below monitoring soil before growing vegetables；
C. survey moisture in the soil automatic irrigation system is set up according to planting vegetable species and area；
D. the irrigation upper limit of regulation and control soil moisture content is arranged according to the soil texture and vegetable characteristics and sets the suitable watering period；
E. the signal of capture monitoring soil and its moisture, by data line transfer to surveying in moisture in the soil irrigation controller, is supervised in real time
Survey and regulate and control to survey moisture in the soil automatic irrigation system.
The improvement of technical solution of the present invention is further used as, in step B, the buried depth of soil moisture content sensor is low
In the root layer distributed areas of vegetable, the buried depth of soil moisture content sensor is selected according to planting vegetable.
The improvement of technical solution of the present invention is further used as, in step B, the setting of monitoring point combines drip irrigation or sprinkling irrigation
Deng irrigation device, make the water consumption of the soil of monitoring point and pouring situation consistent with whole land for growing field crops.
The improvement of technical solution of the present invention is further used as, in step C, in the base for installing soil moisture content sensor
On plinth, control electronic box and install to survey moisture in the soil irrigation controller in deployment, composition improves Soil Moisture Monitoring and regulator control system；While root
Field automatic irrigation system is set according to the water consumption of vegetable area and single-area, and with the monitoring index of soil moisture content sensor
For regulating and controlling foundation.
The improvement of technical solution of the present invention is further used as, in step D, according to volume and the unit weight of monitoring soil,
Calculate target soil soil moisture content and irrigate upper limit index, and the irrigation upper limit is set out in moisture in the soil irrigation system is surveyed, make system according to soil
The real-time monitoring index of earth soil moisture content tightly controls to irrigate the upper limit.
Beneficial effects of the present invention：This soil moisture content sensor overcomes the monitoring point of existing soil moisture content sensor
Little, monitoring result stability is not high, representative not strong, and monitoring parameter is difficult to the problems such as correcting, with monitoring degree of accuracy height, reaction
Sensitive, good stability, advantage with low cost.Survey moisture in the soil automatic irrigation system is set up on this basis, for vegetable root layer point
The characteristics of cloth is shallower, application quality sensor develop the soil moisture content real-time monitoring and regulating system of function admirable, in conjunction with mark
The agronomic measures of standardization, it is ensured that monitoring result can be representative, additionally it is possible to expand the volume and scope of monitoring soil as needed,
The accuracy of monitoring result is improved, real-time and precise monitoring is reached and is regulated and controled the target of soil moisture content.
The irrigation method of this real-time monitoring soil moisture content, for the root layer characteristic distributions and its growth characteristics of vegetable, formulates concrete
Precision Irrigation index and irrigation program, can real-time monitoring go out soil moisture content situation, can play in production application saving water money
Source, increase yield, the important function increased the benefit, have the advantages that degree of accuracy is high, be quick on the draw, good stability, with low cost.
1）, degree of accuracy it is high.Mass sensor method determines soil moisture, and real-time monitoring goes out soil water content, and can determine
The soil moisture content situation of big small clod is determined to required for accurately measuring, and also there are no other monitorings such as monitoring result needs amendment
A series of cumbersome problem required for method.
2）, be quick on the draw.With mass sensor method determine soil moisture, can real-time monitoring go out soil moisture content transformation shape
Condition, precisely holds and irrigates upper limit index, it is to avoid heavy irrigation.Overcome the reaction of tonometer method slow, it is impossible to detect soil at any time
The problem of moisture.
3）, good stability.Mass sensor method measurement soil block can design correspondingly sized shelves soil plate as needed, can be appropriate
Expand the scope of monitoring soil, the soil moisture content of directional monitoring target soil block, it is ensured that monitoring result is precisely stable.Overcome
FDR methods are little with TDR method monitoring ranges, representative poor, to the on position of probe away from excavation section have strict demand the problems such as,
Also without being modified with loaded down with trivial details experimental analysiss.
4）, it is with low cost.Mass sensor method determines soil moisture, and material is easy to get, and low cost is easy to use, solves
Adopt Neutron Moisture Meter method etc. with high costs, use and maintenance method is loaded down with trivial details, neutron source radiation protection operation difficulty is big etc., and technology is asked
Topic.
Description of the drawings
The invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 is embodiment of the present invention soil moisture content sensor construction schematic diagram；
Fig. 2 is that the embodiment of the present invention surveys moisture in the soil automatic irrigation system simplification figure；
Fig. 3 is the monitoring record figure of preferred embodiment in irrigation method of the present invention.
Specific embodiment
The technique effect of the design, concrete structure and generation of the present invention is carried out clearly below with reference to embodiment and accompanying drawing
Chu, it is fully described by, to be completely understood by the purpose of the present invention, feature and effect.Obviously, described embodiment is this
Bright a part of embodiment, rather than whole embodiments, based on embodiments of the invention, those skilled in the art is not paying
The other embodiment obtained on the premise of creative work, belongs to the scope of protection of the invention.
Referring to figs. 1 to Fig. 3, the present invention is a kind of soil moisture content sensor of real-time monitoring soil moisture content of offer, including upper
End is provided with the shell of opening, and the inside the shell is provided with base, and the base is provided with mass sensor, on the mass sensor
Face is provided with the breast boards for lifting detection soil, and the breast boards is arranged at the opening of shell, the breast boards and shell
Edge of opening by flexible flexible glue sealing.
Used as the preferred embodiment of the present invention, the mass sensor is provided with the data wire for transmission signal, described
The hard body for protecting data wire is additionally provided with the outside of shell, and the data wire outlet is arranged on the side of shell and passes through
Hard body.
A kind of survey moisture in the soil automatic irrigation system, the soil that the soil moisture content sensor will be captured by data wire are also provided
Soil moisture content signal input surveys moisture in the soil irrigation controller, and soil moisture content signal is transformed into pouring by the survey moisture in the soil irrigation controller orders and defeated
Go out to control irrigation system.
Used as the preferred embodiment of the present invention, the survey moisture in the soil irrigation controller includes single-chip microcomputer, display, control button
And data line interface, the survey moisture in the soil automatic irrigation controller is provided with the irrigation index and irrigation program of setting, according to soil moisture content
Situation surveys moisture in the soil automatic irrigation, and the monitor value of soil moisture content sensor is changed into the order for controlling irrigation system, the control button
For arranging specific irrigation index and irrigation program.
Used as the preferred embodiment of the present invention, the survey moisture in the soil irrigation controller is additionally provided with for connecting PC or IC-card
Data line interface, the irrigation system is provided with water pump and electromagnetic valve, the survey moisture in the soil irrigation controller control water pump and electromagnetic valve
Opening and closing.
A kind of irrigation method of real-time monitoring soil moisture content is also provided, is comprised the following steps：
A. the soil moisture content sensor for being adapted size is selected or is manufactured according to planting vegetable and its agronomy custom;According to plantation
The specification requirement of vegetable is arranged and installs soil moisture content sensor;
B. soil moisture content sensor is placed in below monitoring soil before growing vegetables；
C. survey moisture in the soil automatic irrigation system is set up according to planting vegetable species and area；
D. the irrigation upper limit of regulation and control soil moisture content is arranged according to the soil texture and vegetable characteristics and sets the suitable watering period；
E. the signal of capture monitoring soil and its moisture, by data line transfer to surveying in moisture in the soil irrigation controller, is supervised in real time
Survey and regulate and control to survey moisture in the soil automatic irrigation system.
The improvement of technical solution of the present invention is further used as, in step B, the buried depth of soil moisture content sensor is low
In the root layer distributed areas of vegetable, the buried depth of soil moisture content sensor is selected according to planting vegetable.
As the preferred embodiment of the present invention, in step B, the setting of monitoring point is poured with reference to drip irrigation or sprinkling irrigation etc.
Device, makes the water consumption of the soil of monitoring point and pouring situation consistent with whole land for growing field crops.
As the preferred embodiment of the present invention, in step C, on the basis of soil moisture content sensor is installed,
Control electronic box and install to survey moisture in the soil irrigation controller in deployment, composition improves Soil Moisture Monitoring and regulator control system；Simultaneously according to vegetable
The water consumption of dish area and single-area sets field automatic irrigation system, and with the monitoring index of soil moisture content sensor as adjusting
Control foundation.
As the preferred embodiment of the present invention, in step D, according to volume and the unit weight of monitoring soil, calculate
Target soil soil moisture content irrigates upper limit index, and in moisture in the soil irrigation system is surveyed sets out the irrigation upper limit, makes system according to soil moisture content
Real-time monitoring index tightly control irrigate the upper limit.
The present invention provides a kind of soil moisture content sensor of real-time monitoring soil water content, mainly by mass sensor,
The several elements of breast boards, data wire, base and shell are constituted.As shown in figure 1, being embedded in mass sensor, breast boards on base
Above mass sensor 2, the surface that soil block 6 is located at breast boards 1,2 Direct Acquisition breast boards 1 of mass sensor is tested
Soil moisture content index above, monitors the soil moisture content situation of correspondingly sized soil block, and its signal is exported by data wire 3,
The soil moisture content signal input for capturing is surveyed into moisture in the soil irrigation controller with data wire, the mesh of real-time monitoring soil moisture content situation is reached
Mark.Above soil moisture content sensor orientation capture breast boards, the soil moisture content signal of whole soil block, can be designed according to specific needs
Specification breast boards of different sizes, orientation determine the soil moisture content situation of target soil block, have the soil moisture content of monitoring soil block
It is standby representative.
Present invention also offers a kind of survey moisture in the soil automatic irrigation device, by soil moisture content sensor, survey moisture in the soil irrigation controller and
Control electronic box composition.It is that soil moisture content signal is transformed into the integrated circuit for pouring order to survey moisture in the soil irrigation controller, by single-chip microcomputer, is shown
Show that device, control button and data line interface etc. are constituted.Survey moisture in the soil irrigation controller is designed and manufactured with single-chip microcomputer, single-chip microcomputer has behaviour
Function that is vertical and regulating and controlling survey moisture in the soil automatic irrigation system, the monitoring signals of soil moisture content sensor can be changed into the order of pouring.
Display can show the parameters such as soil moisture content in real time；Control button arranges and regulates and controls the specific targets of parameters,
Specific irrigation index and irrigation program are set out；Survey two data line of moisture in the soil irrigation controller and be respectively input into soil sensor
Signal, and the order of the system operation such as output control water pump, electromagnetic valve, the also interface of a data wire can connect PC or
IC-card, for exporting soil moisture content monitoring result, copies the soil moisture content historical record in the system of being stored in.Control electronic box will
Soil moisture content sensor and the integrated survey moisture in the soil automatic irrigation system of survey moisture in the soil irrigation controller, output regulation and control water pump, the unlatching of electromagnetic valve
With the order closed, it is ensured that Precision Irrigation.
As shown in Fig. 2 surveying moisture in the soil irrigation controller has display, control button, data line interface and two lines, hold respectively
The reading of row soil moisture content data, regulation and control, derived function, display can read the monitor value of soil moisture content sensor in real time；
Control button can arrange out specific pouring index and pouring cycle, the monitor value of soil moisture content sensor is changed into control and irrigates system
The order of system.Surveying moisture in the soil irrigation controller has two lines to be connected with soil moisture content sensor and irrigating facility respectively, is input into respectively
The order of soil moisture content sensor signal and output control irrigation system.Surveying can be according to institute when moisture in the soil automatic irrigating control system runs
The irrigation index and irrigation program of setting, surveys moisture in the soil automatic irrigation according to soil moisture content situation, it is ensured that vegetable needs water and irrigation water supply
Balance, timely and appropriate discovery meets demand of the vegetable growth to moisture, realizes the digitized Precision management irrigated, it is to avoid artificial
The blindness of operation.Survey moisture in the soil automatic irrigation device to irrigate the real needs timely and appropriate discovery of moisture according to vegetable, in vegetable
Water-saving irrigation, improves WUEL, can play an important role in increasing yield.
The present invention also provides the irrigation method of a kind of real-time monitoring and regulation and control soil moisture content for agricultural water-saving irrigation, with quality
Sensor sets up soil moisture content real-time automatic measuring system, it is therefore an objective to improve accuracy and the representative of soil moisture content monitoring result
Property；Supporting single-chip microcomputer sets up automatic irrigating control system, and the signal of monitored soil moisture content is converted into real-time monitoring pouring
The order of system, realizes the target of Precision Irrigation.
In the same period with broccoli, Brassica campestris L. ssp.chinensis, 3 kinds of different vegetables of Chinese cabbage as test material, regulate and control level one in soil moisture content
Carry out surveying comparison in difference test of the moisture in the soil automatic irrigation to yield of vegetables, water consumption and WUEL on the basis of cause.As a result
Show, survey moisture in the soil automatic irrigation and be added significantly to the larger Chinese Cabbage Yield of water requirement, be secondly Brassica campestris L. ssp.chinensis, broccoli, Brassica campestris L. ssp.chinensis, DABAI
The yield of dish is respectively than traditional irrigation volume increase 12.1%, 72.4% and 96.2%.But survey moisture in the soil automatic irrigation and can significantly save water requirement
Secondly less broccoli water consumption, is Brassica campestris L. ssp.chinensis, and the big Chinese cabbage water consumption of water requirement increased on the contrary, broccoli, Brassica campestris L. ssp.chinensis,
The water consumption of Chinese cabbage has saved 34.1%, 5.2% and 13.3% than traditional irrigation respectively.And the WUEL of this 3 kinds of vegetables
There is raising by a relatively large margin, increase rate is but substantially at same level, and three kinds of vegetables are improve than traditional irrigation respectively
70.2%th, 81.8% and 73.2%.It can be seen that survey moisture in the soil automatic irrigation can be irrigated according to vegetable growth and development demand really, alleviate water
Divide the effect of imbalance between supply and demand, it is ensured that vegetable needs the balance of water and irrigation water supply, builds good rhizosphere soil condition, it is to avoid
The blindness of man-made irrigation operation.
The using method of soil moisture content monitoring device, including the content of following several respects：
The soil moisture content sensor being adapted is selected or is manufactured according to planting vegetable and its agronomy custom.Mainly according to Fig. 1's
Product of the basic structure from dimension size, it is ensured that be adapted to vegetable and field operates with, and make the scope of monitoring soil
Representativeness etc. is provided with size.
Arranged according to the specification requirement of planting vegetable and soil moisture content sensor is installed.By soil moisture content before growing vegetables
Sensor is placed in below monitoring soil, and depth is slightly below the root layer distributed areas of vegetable；Fill is poured with reference to drip irrigation or sprinkling irrigation etc.
Put, make the water consumption of the soil of monitoring point consistent with whole land for growing field crops with pouring situation.
Survey moisture in the soil automatic irrigation device is set up according to planting vegetable species and area.Installing soil moisture content sensor
On the basis of, field control electronic box being set and survey moisture in the soil irrigation controller etc. is installed, composition improves Soil Moisture Monitoring and regulator control system；Simultaneously
Field automatic irrigation system is set according to the water consumption of vegetable area and single-area；Constitute the monitoring with soil moisture content sensor
Index is the survey moisture in the soil automatic irrigation device for regulating and controlling foundation.
The irrigation upper limit of regulation and control soil moisture content is arranged according to the soil texture and vegetable characteristics.According to monitoring soil volume and
Unit weight, calculate target soil soil moisture content irrigate upper limit index, further survey moisture in the soil irrigation system in set out the irrigation upper limit, make be
System tightly controls to irrigate the upper limit according to the real-time monitoring index of soil moisture content；Concurrently set the suitable watering period；Accomplish in good time
Appropriate Rational Irrigation.
The preferred embodiment of using method of the present invention：As shown in figure 3, the curve is connect from the data for surveying moisture in the soil irrigation controller
The monitoring record of derived soil moisture content in mouthful, reflects the situation of the regulation and control soil moisture content of real-time monitoring.The survey moisture in the soil irrigates control
When device processed runs, set with 25% soil absolute water content as irrigating the upper limit, 1 time is irrigated during every morning 9 for irrigating week
Phase, it can be seen that single-chip microcomputer stores the soil moisture content regulation and control situation of record automatically：In December 23 and December 26, descend respectively
2 rain, make soil absolute water content always above 25%, and irrigation system also never starts；It is after December 29, early daily
In the case that upper soil absolute water content is less than 25%, soil absolute water content is adjusted to 25% with regard to automatic by irrigation system.
It can be seen that surveying moisture in the soil irrigation controller can meet plant according to the in good time Rational Irrigation of soil moisture content situation, control accurate soil moisture content
Demand of the growth to moisture, while preventing the liquid manure that heavy irrigation causes to be lost in the pollution for wasting and its causing, improves field life
State environment.
Soil moisture content sensor is set up into the system that real-time and precise monitors soil moisture content situation in big Tanaka.Can increase
The monitoring range of soil moisture content and volume, the soil moisture content situation of directional monitoring target soil improve the essence of soil moisture content monitoring
True property and representativeness.The prison of soil moisture content sensor is arranged according to the root system configuration of soil characteristic, vegetable growth demand and vegetable
Scope is surveyed, rational irrigation index and irrigation program is made, energy monitor closely soil moisture content, strict control are irrigated the upper limit, done
Digitalization precision to vegetable irrigation is managed, and timely and appropriate discovery meets vegetable growth demand.Planning standard agronomic technique, makes in real time
Monitoring result can represent land for growing field crops overall condition.In Production of Large Fields application, soil moisture content situation and the land for growing field crops of monitored area are on the one hand made
Overall soil moisture content situation is consistent, and on the other hand makes the irrigation practice and land for growing field crops entirety irrigation practice of monitored area keep one
Cause, it is ensured that the real-time monitoring result of monitored area can representative land for growing field crops integral status, i.e., by monitoring soil block energy synchronization modulation
The overall soil moisture content situation in land for growing field crops, reaches the target of real-time monitoring and control accurate soil moisture content.Supporting survey moisture in the soil automatic irrigation
System energy timely and appropriate discovery is irrigated, and Reasonable Regulation And Control soil moisture content realizes Precision management and the automatization of vegetable irrigation.
Certainly, the invention is not limited to above-mentioned embodiment, and those of ordinary skill in the art are without prejudice to this
Equivalent variations or replacement can be also made on the premise of spirit, and the deformation or replacement of these equivalents are all contained in the application right
Require in limited range.
Claims (10)
1. the soil moisture content sensor of real-time monitoring soil moisture content, it is characterised in that：The shell of opening is provided with including upper end, it is described
Inside the shell is provided with base, and the base is provided with mass sensor, is provided with for lifting detection soil above the mass sensor
The breast boards of earth, the breast boards are arranged at the opening of shell, and the breast boards is with the edge of opening of shell by flexible soft
Glue is sealed.
2. the soil moisture content sensor of real-time monitoring soil moisture content according to claim 1, it is characterised in that：The matter
Quantity sensor is provided with the data wire for transmission signal, is additionally provided with the stereoplasm tube for protecting data wire on the outside of the shell
Body, the data wire outlet are arranged on the side of shell and through hard body.
3. a kind of usage right requires the survey moisture in the soil automatic irrigation system of soil moisture content sensor real-time monitoring soil moisture content described in 1 or 2
System, it is characterised in that：The soil moisture content signal input for capturing is surveyed moisture in the soil by data wire and irrigates control by the soil moisture content sensor
Soil moisture content signal is transformed into pouring order output control irrigation system by device processed, the survey moisture in the soil irrigation controller.
It is 4. according to claim 3 to survey moisture in the soil automatic irrigation system, it is characterised in that：The survey moisture in the soil irrigation controller includes list
Piece machine, display, control button and data line interface, the survey moisture in the soil automatic irrigation controller are provided with irrigation index and the filling of setting
System is irrigate, moisture in the soil automatic irrigation is surveyed according to soil moisture content situation, and the monitor value of soil moisture content sensor is changed into into control irrigation system
Order, the control button be used for specific irrigation index and irrigation program are set.
It is 5. according to claim 3 to survey moisture in the soil automatic irrigation system, it is characterised in that：The survey moisture in the soil irrigation controller is additionally provided with
For connecting the data line interface of PC or IC-card, the irrigation system is provided with water pump and electromagnetic valve, the survey moisture in the soil irrigation control
Device controls the opening and closing of water pump and electromagnetic valve.
6. a kind of usage right requires the irrigation of the survey moisture in the soil automatic irrigation system real-time monitoring soil moisture content in 3 to 5 described in any one
Method, it is characterised in that comprise the following steps：
A. planting vegetable and its agronomy custom are selected or manufacture the soil moisture content sensor of adaptable size;According to planting vegetable
Specification requirement is arranged and installs soil moisture content sensor;
B. soil moisture content sensor is placed in below monitoring soil before colza is planted；
C. planting vegetable species and area set up survey moisture in the soil automatic irrigation system；
D. the soil texture and vegetable characteristics arrange the irrigation upper limit of regulation and control soil moisture content and set the suitable watering period；
E. monitor the signal of soil and its moisture, by data line transfer to surveying in moisture in the soil irrigation controller, real-time monitoring and
Moisture in the soil automatic irrigation system is surveyed in regulation and control.
7. the irrigation method of real-time monitoring soil moisture content according to claim 6, it is characterised in that：In step B, soil
Root layer distributed areas of the buried depth of soil moisture content sensor less than vegetable, select burying for soil moisture content sensor according to planting vegetable
Put depth.
8. the irrigation method of real-time monitoring soil moisture content according to claim 6, it is characterised in that：In step B, monitoring
The setting of point combines the irrigation device such as drip irrigation or sprinkling irrigation, makes water consumption and pouring situation and the whole land for growing field crops of the soil of monitoring point
Unanimously.
9. the irrigation method of real-time monitoring soil moisture content according to claim 6, it is characterised in that：In step C, installing
On the basis of good soil moisture content sensor, control electronic box and install to survey moisture in the soil irrigation controller in deployment, composition improves soil moisture content
Monitoring and regulator control system；Field automatic irrigation system is set according to the water consumption of vegetable area and single-area simultaneously, and with soil
The monitoring index of earth soil moisture content sensor is regulation and control foundation.
10. the irrigation method of real-time monitoring soil moisture content according to claim 6, it is characterised in that：In step D, according to
The volume of monitoring soil and unit weight, calculate target soil soil moisture content and irrigate upper limit index, and set out in moisture in the soil irrigation system is surveyed
The upper limit is irrigated, makes system tightly control to irrigate the upper limit according to the real-time monitoring index of soil moisture content.
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