CN208705326U - A kind of farmland irrigation water measuring device - Google Patents
A kind of farmland irrigation water measuring device Download PDFInfo
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- CN208705326U CN208705326U CN201821433127.2U CN201821433127U CN208705326U CN 208705326 U CN208705326 U CN 208705326U CN 201821433127 U CN201821433127 U CN 201821433127U CN 208705326 U CN208705326 U CN 208705326U
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Abstract
The utility model discloses a kind of farmland irrigation water measuring devices, including several soil moisture sensors, water level sensor, correcting mechanism, solar powered mechanism, microcontroller and data management organization, several soil moisture sensors are all set in farmland, the water level sensor is installed on farmland by correcting mechanism, water level sensor and several soil moisture sensors are connect with microcontroller, the solar powered mechanism is connect with microcontroller, and the microcontroller is connect by wireless module with data management mechanism.Utility model the utility model can accurately detect the water level and soil moisture content in farmland, to form database, to provide guidance to farmland irrigation water.The degree of intelligence of the utility model is high simultaneously, reduces cumbersome task amount.
Description
Technical field
The utility model relates to field irrigation technologies, and in particular to a kind of farmland irrigation water measuring device.
Background technique
China is that one of poor-water country, agricultural irrigation water account for the 73% of gross amount of water resources in the world, to keep water resource
Sustainable use, it is necessary to Water Saving Agriculture Development.Farmland irrigating water's effective utilization coefficients are not only reflection rural water conservancy construction
One important overall target of management level, even more country carry out most stringent water resources management system, determine water resources management " three
One of the key index of red line " control target.The measuring and calculating of farmland irrigating water's effective utilization coefficients needs crop growth water consumption
Basic data, therefore the soil moisture content in farmland and intelligent water level precise measurement can provide accurate foundation for agricultural water.The palm
Farmland-use water amount is held to need while grasping the moisture content of soil and water level when rice is basined irrigation, this demand by growth period duration of rice need
Water determines.Since farmland staple food crop rice fluctuates greatly, such as period of seedling establishment the variation of water demand amount in different growing stages
Thin water layer is kept in field face, tillering stage then carries out dry and wet open field, will do it dry field respectively in tillering stage or milk stage.Plant water
The water level management of rice plays an important role to Population Rice Quality, water physiological indexes, yield and water quality etc., and farmland water level has become
Rice fills the regulation index of row.At present, it needs (to have by two kinds of i.e. farmland water level meters of instrument in one growth cycle of rice
Water) and soil nmoisture content analyser (dry and wet or dry field), the water requirement of paddy growth could be effectively measured, existing method need to artificially be known
Not and the tracking and monitoring of two sets of instruments progress field-crop growth cycles of installation, cumbersome task amount are huge.Meanwhile it is existing artificial
Water-level measuring post and digital display farmland water level recorder error in the case where bottom unevenness and low water level are big.
Utility model content
The purpose of this utility model is to overcome above the shortcomings of the prior art, provide a kind of field irrigation use
Measuring device.The precision of this farmland irrigation water measuring device is high, and degree of intelligence is high, can reduce labor intensity.It is practical new
Type
The purpose of this utility model is realized by the following technical solution: this farmland irrigation water measuring device, if including
Dry soil moisture sensor, water level sensor, correcting mechanism, solar powered mechanism, microcontroller and data management organization,
Several soil moisture sensors are all set in farmland, and the water level sensor is installed on farmland by correcting mechanism, and water level passes
Sensor and several soil moisture sensors are connect with microcontroller, and the solar powered mechanism is connect with microcontroller,
The microcontroller is connect by wireless module with data management mechanism.
Preferably, the correcting mechanism includes pedestal, cylinder and calibrator made of transparent material, and the pedestal level is put
It is placed in farmland, the cylinder is vertically arranged on pedestal, and the side wall of the cylinder is equipped with the permeable hole communicated with the inner cavity of cylinder, institute
The inner cavity for stating cylinder is equipped with scale, and the calibrator is placed in the upper end end face of cylinder, and the water level sensor is inserted into cylinder, and
The lower end of water level sensor is adjacent to the upper surface of pedestal.
Preferably, the quantity of the permeable hole is multiple, and multiple permeable holes are uniformly distributed in the side wall of cylinder.
Preferably, the pedestal includes bottom plate and fixed column, and the upper end of the fixed column is connect with bottom plate, the fixed column
Lower end insertion farmland soil in, and the lower end of the bottom plate and the soil in farmland are mutually adjacent to.
Preferably, the diameter of the fixed column is gradually reduced from upper end to lower end.
Preferably, the solar powered mechanism includes solar panel, solar controller and battery, it is described too
Positive energy solar panel is connected by the input terminal of solar controller and battery, and the output end of the battery passes through solar energy control
Device processed is connect with microcontroller.
Preferably, the data management mechanism includes host computer and display, and the host computer and display are and micro-control
Device connection processed.
Preferably, the microcontroller is single-chip microcontroller.
A kind of measurement method based on above-mentioned farmland irrigation water measuring device, comprising the following steps:
1) bottom plate, is adjusted horizontality, calibrator is fixed in farmland, then by the soil in fixed column insertion farmland
Water level sensor is inserted into cylinder, then passes through calibrator and scale for the digital display water level value calibration of water level sensor；
2) several soil moisture sensors are uniformly inserted into farmland, and the depth of each soil moisture sensor insertion is not
Together；
3) solar powered mechanism provides electric energy for microprocessor, so that microprocessor operates normally；Water level sensor and
The waterlevel data and soil moisture data transmission that several soil moisture sensors distinguish real-time detection are to microprocessor；
4) microprocessor is to waterlevel data and soil moisture data processing, and data processed result is defeated by wireless module
Be sent to host computer and display, data processed result is displayed for observing in display, and host computer by data processed result with
The zone of reasonableness setting value of SEA LEVEL VARIATION compares, to remind agricultural drain or pour water.
The utility model has the advantage that compared with the existing technology
1, the water level sensor of the utility model is installed in farmland using correcting mechanism, avoids the installation of water level sensor
It is influenced by the landform in farmland, improves the precision of detection.
2, the utility model has water level sensor, soil moisture sensor, microcontroller and data management mechanism
The combination of machine, improves intelligence degree, does not need artificially identification and tracking and monitoring, therefore avoids cumbersome task amount, reduces
Labor intensity.
3, the utility model is microcontroller energy supply, clean and environmental protection using independent solar powered mechanism.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the farmland irrigation water measuring device of the utility model.
Fig. 2 is the structural schematic diagram of the correcting mechanism of the utility model.
Fig. 3 is the control block diagram of the utility model.
Wherein, 1 is soil moisture sensor, and 2 be water level sensor, and 3 be correcting mechanism, and 4 be solar powered mechanism, 5
It is data management mechanism for microcontroller, 6,7 be pedestal, and 8 be cylinder, and 9 be calibrator, and 10 be scale, and 11 be permeable hole, and 12 are
Bottom plate, 13 be fixed column, and 14 be solar panel, and 15 be solar controller, and 16 be battery.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.
Farmland irrigation water measuring device as shown in figures 1 and 3, including several soil moisture sensors, water level pass
Sensor, correcting mechanism, solar powered mechanism, microcontroller and data management organization, several soil moisture sensors are all provided with
It is placed in farmland, the water level sensor is installed on farmland by correcting mechanism, and water level sensor and several soil moistures sense
Device is connect with microcontroller, and the solar powered mechanism is connect with microcontroller, and the microcontroller passes through wireless module
Mechanism is connect with data management.Specifically, the microcontroller is STM32 single-chip microcontroller, this utilizes the single-chip microcontroller of super low-power consumption, can
Reduce solar powered mechanism pressure.Meanwhile microcontroller and data management mechanism collectively constitute farmland water level and soil water-containing
The database of rate data judges that the water requirement of rice in farmland (uses water with intelligence measuring SEA LEVEL VARIATION trend and duty
Amount).Soil moisture sensor is FDR moisture transducer, this soil moisture sensor uses 4, by 4 soil moisture sensors
It is respectively inserted into farmland, and the depth of 4 soil moisture sensor insertions is different,；Water level sensor uses throw-in type pressure
Sensor, this water level sensor are installed in farmland using correcting mechanism, ensure that the precision of water level sensor measurable amount.
The signal wire of this water level sensor and 4 soil moisture sensors passes through pull-up resistor and connect with single-chip microcontroller, so as to guarantee number
It is sent in single-chip microcontroller and is handled when factually.Signal is conveyed by wireless module between single-chip microcontroller and data management organization, this
Wireless module is signal wireless transmitter, and single-chip microcontroller carries out the data of water level sensor and soil moisture sensor real-time detection
It is sent after processing to data management mechanism, to facilitate people to understand the moisture situation of water level and soil in farmland, thus according to agriculture
The growth cycle of crop, and control water in farmland.The intelligence that microcontroller and data management mechanism in the present embodiment are constituted
Energy system is organically combined with water level sensor and soil moisture sensor, with high degree of intelligence, reduces cumbersome task amount.
As shown in Fig. 2, the correcting mechanism includes pedestal, cylinder and calibrator made of transparent material, the pedestal water
It lays flat and is placed in farmland, the cylinder is vertically arranged on pedestal, and the side wall of the cylinder is permeable equipped with communicating with the inner cavity of cylinder
Hole, the inner cavity of the cylinder are equipped with scale, and the calibrator is placed in the upper end end face of cylinder, and the water level sensor is inserted into cylinder
It is interior, and the lower end of water level sensor is adjacent to the upper surface of pedestal.Wherein the pedestal includes bottom plate and fixed column, the fixed column
Upper end is connect with bottom plate, in the soil in the lower end insertion farmland of the fixed column, and the soil of the lower end of the bottom plate and farmland
Mutually it is adjacent to.Transparent material in the present embodiment is organic glass, to facilitate the scale clearly watched in cylinder.In implementation
In, it first passes through fixed column and secures a base plate to farmland, and cylinder and calibrator successively overlay on bottom plate, by observing calibrator
Bottom plate is adjusted horizontality.Then water level sensor is put into cylinder.This calibrates zero point using correcting mechanism, so as to
Detection error is controlled from source, improves detection precision.Meanwhile this is simple to operate.
The quantity of the permeable hole be it is multiple, multiple permeable holes are uniformly distributed in the side wall of cylinder.This can guarantee in farmland
Moisture smoothly flow therein in cylinder, to be further ensured that the accuracy of detection data.
The diameter of the fixed column is gradually reduced from upper end to lower end.This structure can reduce the power used when fixed bottom plate
Gas makes fixed column can quick insertion farmland.
The solar powered mechanism includes solar panel, solar controller and battery, the solar-electricity
Pond plate is connected by the input terminal of solar controller and battery, the output end of the battery by solar controller with
Microcontroller connection.This structure is simple, steadily can provide electric energy for microcontroller, so that microcontroller is normally run.
The data management mechanism includes host computer and display, and the host computer and display connect with microcontroller
It connects.This data management mechanism is equivalent to monitoring center, and host computer completes the data inventory of farmland water level and soil moisture content data
Storage, and display facilitates people directly to observe and reads data for showing testing result, to understand farmland water level and soil water-containing
The real-time condition of rate.The influence to rice water physiological indexes and yield can then be regulated and controled according to different bearing stage farmland water level,
It sets local rice and fills the index value for teasing and ridicule control, for instructing reasonable farmland water level value range.
A kind of measurement method based on above-mentioned farmland irrigation water measuring device, which comprises the following steps:
1) bottom plate, is adjusted horizontality, calibrator is fixed in farmland, then by the soil in fixed column insertion farmland
Water level sensor is inserted into cylinder, then passes through calibrator and scale for the digital display water level value calibration of water level sensor；
2) several soil moisture sensors are uniformly inserted into farmland, and the depth of each soil moisture sensor insertion is not
Together；
3) solar powered mechanism provides electric energy for microprocessor, so that microprocessor operates normally；Water level sensor and
Several soil moisture sensors respectively the waterlevel data of real-time detection and soil moisture data be transmitted to by wireless module it is micro-
Processor；
4) microprocessor is to waterlevel data and soil moisture data processing, and by data processed result be transported to host computer and
Display, data processed result are displayed for observing in display, and host computer is by the conjunction of data processed result and SEA LEVEL VARIATION
It manages range setting value to compare, to remind agricultural drain or pour water.
On the whole, the utility model passes water level using the intelligence system of the compositions such as microcontroller and data management organization
The data of sensor and soil moisture sensing real-time detection are handled, to form the data of farmland water level and soil moisture content data
Library, with intelligence measuring SEA LEVEL VARIATION trend and duty, the rice water consumption in farmland.Then according to different bearing stage farmland
Water level management sets local rice and fills the index value for teasing and ridicule control, for instructing to the influence of rice water physiological indexes and yield
Reasonable farmland water level value range.
Such as, in field, (soaked field-seedling-seedling-transplanting period of seedling establishment-tiller early period-tiller later period-jointing is pregnant
Fringe-heading is bloomed-stage of yellow ripeness milk stage-- harvesting) water consumption of growth cycle, water level control reasonable value uses following public affairs
Formula:
Water level=the H*0.12+0.0023T (level of ground water is low water level, is lower than rice soil surface layer 80cm) in tillering stage；Point
Water level=H*0.154+0.00212T of tiller phase (level of ground water is high water level, in rice soil surface layer 20cm)；
Water level=the H*0.12+0.00312T (level of ground water is middle water level, away from rice soil surface layer 20-80cm) in tillering stage；
The water level in boot stage==H*0.118+0.00435T (level of ground water is low water level, is lower than rice soil surface layer 80cm)
Water level=the H*0.90+0.00567T (level of ground water is low water level, is lower than rice soil surface layer 80cm) in boot stage；
Divide the water level=H*0.81+0.00980T (level of ground water is high water level, in rice soil surface layer 20cm) in boot stage.
Water-level fluctuation can be controlled in 20%, and scope control is in 0-30cm.Wherein, above-mentioned middle H is groundwater level, single
Position: m；T is the soil moisture, unit: K, T=273.15+ degree Celsius.
Above-mentioned specific embodiment is the preferred embodiment of the utility model, can not be defined to the utility model,
Other any changes made without departing from the technical solution of the utility model or other equivalent substitute modes, are included in
Within the protection scope of the utility model.
Claims (8)
1. a kind of farmland irrigation water measuring device, it is characterised in that: including several soil moisture sensors, level sensor
Device, correcting mechanism, solar powered mechanism, microcontroller and data management organization, several soil moisture sensors are respectively provided with
In farmland, the water level sensor is installed on farmland, water level sensor and several soil moisture sensors by correcting mechanism
Connect with microcontroller, the solar powered mechanism is connect with microcontroller, the microcontroller by wireless module with
The connection of data management mechanism.
2. farmland irrigation water measuring device according to claim 1, it is characterised in that: the correcting mechanism includes bottom
Cylinder and calibrator made of seat, transparent material, the pedestal are placed horizontally at farmland, and the cylinder is vertically arranged on pedestal,
The side wall of the cylinder is equipped with the permeable hole communicated with the inner cavity of cylinder, and the inner cavity of the cylinder is equipped with scale, the calibrator
It is placed in the upper end end face of cylinder, the water level sensor is inserted into cylinder, and the lower end of water level sensor is adjacent to the upper surface of pedestal.
3. farmland irrigation water measuring device according to claim 2, it is characterised in that: the quantity of the permeable hole is more
A, multiple permeable holes are uniformly distributed in the side wall of cylinder.
4. farmland irrigation water measuring device according to claim 2, it is characterised in that: the pedestal includes bottom plate and consolidates
The upper end of fixed column, the fixed column is connect with bottom plate, in the soil in the lower end insertion farmland of the fixed column, and the bottom plate
The soil of lower end and farmland is mutually adjacent to.
5. farmland irrigation water measuring device according to claim 4, it is characterised in that: the diameter of the fixed column is from upper
End to lower end is gradually reduced.
6. farmland irrigation water measuring device according to claim 1, it is characterised in that: the solar powered mechanism packet
Solar panel, solar controller and battery are included, the solar panel passes through solar controller and battery
Input terminal connection, the output end of the battery connect by solar controller with microcontroller.
7. farmland irrigation water measuring device according to claim 1, it is characterised in that: the data management mechanism includes
Host computer and display, the host computer and display are connect with microcontroller.
8. farmland irrigation water measuring device according to claim 1, it is characterised in that: the microcontroller is monolithic
Machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821433127.2U CN208705326U (en) | 2018-09-03 | 2018-09-03 | A kind of farmland irrigation water measuring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821433127.2U CN208705326U (en) | 2018-09-03 | 2018-09-03 | A kind of farmland irrigation water measuring device |
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| CN208705326U true CN208705326U (en) | 2019-04-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109030786A (en) * | 2018-09-03 | 2018-12-18 | 珠江水利委员会珠江水利科学研究院 | A kind of farmland irrigation water measuring device and measuring method |
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2018
- 2018-09-03 CN CN201821433127.2U patent/CN208705326U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109030786A (en) * | 2018-09-03 | 2018-12-18 | 珠江水利委员会珠江水利科学研究院 | A kind of farmland irrigation water measuring device and measuring method |
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