CN106525202A - Automatically controlled irrigation system based on ultrasonic wave reflection principle - Google Patents
Automatically controlled irrigation system based on ultrasonic wave reflection principle Download PDFInfo
- Publication number
- CN106525202A CN106525202A CN201610926924.3A CN201610926924A CN106525202A CN 106525202 A CN106525202 A CN 106525202A CN 201610926924 A CN201610926924 A CN 201610926924A CN 106525202 A CN106525202 A CN 106525202A
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- China
- Prior art keywords
- field
- water
- water level
- ultrasonic
- irrigation system
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/296—Acoustic waves
- G01F23/2962—Measuring transit time of reflected waves
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B13/00—Irrigation ditches, i.e. gravity flow, open channel water distribution systems
- E02B13/02—Closures for irrigation conduits
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
- G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means
Abstract
The invention discloses an automatically controlled irrigation system and particularly relates to an automatically controlled irrigation system based on an ultrasonic wave reflection principle. An ultrasonic wave receiving and sending device is vertically installed above the water surface of a field, the water surface is used as a reflection surface, the water level in the field is calculated according to the interval of receiving time and sending time and the installing height of the ultrasonic wave receiving and sending device, and when the water level in the field is reduced to a lower irrigation limit, a valve of a certain field piece is turned on through control, and a field water need signal is transmitted to a field water level signal receiving and analyzing device installed in a pump room. After the field water level signal receiving and analyzing device located in the pump room receives the field water need signal, data analysis is performed to determine the number of field pieces needing water simultaneously. The automatically controlled irrigation system has the advantages that the system is added to an irrigation system provided with a pump station-water delivery channel/pipeline-paddy field, the construction cost is low, the system is convenient to install, irrigation can be accurately controlled according to the water need situation of each independent field piece, and accordingly the advantages of saving labor, water sources and electric energy are achieved.
Description
Technical field
The invention discloses a kind of automatic control irrigation system, when being specifically related to one kind suitable for paddy rice and isometric fish pond
Between keep water layer field, based on transmitting ultrasonic wave to the water surface and reflection-absorption know-why, carry out field water depth
Real-time inspection and control system.
Background technology
At present, China's field irrigation possess substantial amounts of pumping plant channel field farmland hardware it is supporting, however, by real
Ground investigation finds, although hardware complementary conditions are perfect, but the water efficiency of irrigation in farmland is universal low, thinks master
One of reason is wanted to be that man-made irrigation managerial skills more fall behind, irrigation method is more extensive.Particular problem is as follows：When a certain pumping plant
When field needs to irrigate in control area, all water pumps in pump house are all turned on, and open all field gates, wait all fields
Block switches off the pump after filling and gate, wherein the drawbacks of existing is that head works is short the time required to field completes to irrigate nearby, when the pump
Stand control area is big, just occurs that nearby field completes to irrigate head works during channel hydraulic pipeline distance, and at canal tail field is not yet
Start to irrigate, if head works portion field closing gate can be reduced canal capacity not in time now, further delay channel downstream
The water time, and while, when in the field of upstream, water level exceedes ridge height, cause to overflow, waste water resource.Southern area is more
Rice field, in order that irrigating uniform, is often divided into less field, and is equipped with gate by rice cultivation, such as arranges special messenger to exist
It is turned on and off gate during irrigation step by step and then works heavy, and is difficult to precisely, then to cause water resource and carry
The waste of water power energy.
On this basis, it is intended to based on using the water-reflected technology of ultrasonic wave, by signal transmission and automatically
Control system solves this difficult problem, reduces the human cost of field irrigation, and saving water resource and energy electric resources.
The content of the invention
In order to overcome drawbacks described above, the purpose of the present invention to determine field water in water-reflected using ultrasonic wave to provide one kind
Based on depth, the automatic irrigating control system that paddy field gate and water pump are opened and closed is automatically controlled, it is therefore intended that more accurate, easy
Irrigated according to the actual demand in farmland, agricultural water is saved under the premise of ensureing to irrigate sufficiently, prevent the waste of electric power,
And reduce human cost.
The technical solution adopted for the present invention to solve the technical problems is：Based on a kind of principle by ultrasonic reflections from
Dynamic control irrigation system, it is characterised in that：Field gate installation on ridge, mounting bracket above gate, support respectively with it is super
The connection of sound wave R-T unit, water level signal emitter and solar panel；Field water level signal receive and analytical equipment with
Water pump controller connects, all water pumps in water pump controller connection pump house；The ultrasonic receiving device is vertically arranged to field
Above the water surface, with the water surface as reflecting surface, field water level is calculated according to transmitting-receiving time interval and ultrasonic receiving device setting height(from bottom),
When field water potential drop as little as irrigates lower limit, certain field gate opening is controlled, and by sender unit by field thirst signal
Transmit to the field water level signal being installed in pump house and receive and analytical equipment；Field water level signal in pump house receive and
After analytical equipment receives field thirst signal, data analysis is carried out, it is determined that while need the field number of water, and according to analysis knot
Fruit sends the electric signal of varying strength to water pump controller, and water pump controller opens water pump according to the strong and weak decision of received electric signal
Number；Certain field gate is automatically switched off when ultrasonic receiving device detects the irrigation level upper limit needed for field water level is reached；
Ultrasonic receiving device launches ultrasonic wave to the water surface, and reclaims, and calculates the water surface to ultrasonic receiving device according to the transmitting-receiving time difference
Air line distance H1, measured in advance good farmland bottom to ultrasonic receiving device can then calculate depth of water H3 apart from H2, when H3 is reduced
When lower limit is irrigated, starting gate and water pump are irrigated, until till the supreme position of restricting water supply of filling, closed shutter and water pump.
Described automatic control irrigation system was applied in the breeding time in paddy rice and fish pond needs the feelings for keeping field water layer
Condition.
Move needed for ultrasonic receiving device, gate, water level signal emitter, the reception of field water level signal and analytical equipment
Power derives from rack-mount solar panel, and solar panel plays rain-proof effect.
The system preferably avoids the keying of the impact brought due to rainfall, gate and water pump according only to the actual water in field
It is deep, regardless of whether for example, there is drop when the field depth of water will reach irrigation lower limit in channel hydraulic pipeline or rainfall in water quantity balance
Rain, then field water layer rising will not occurring to irrigate, so as to preferably make use of the rainfall water yield, economizing on resources.
Relative to prior art, beneficial effects of the present invention：The present invention is being equipped with pumping plant conveyance canal/pipeline paddy field
Install additional in irrigation system, it is cheap, it is easy for installation, accurately can be filled according to the regimen condition control that needs of each independent field
Irrigate, so as to reach the beneficial effect for saving manpower, water source and electric energy.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
In figure：1 water pump, 2 water pump controllers, 3 field water level signals are received and analytical equipment, 4 pump houses, 5 irrigation canals, 6 paddy fields
Or fish pond, 7 solar panels, 8 ultrasonic receiving devices, 9 water level signal emitters, 10 supports, 11 gates, 12 ridges,
13 waters surface.
Specific embodiment
The present invention is further illustrated below in conjunction with the accompanying drawings.
According to Fig. 1, the present invention relates to a kind of irrigation control system based on ultrasonic measuring water level depth, can preset
The irrigation bound water level in paddy field or fish pond 6, using the principle the real time measure field water level of ultrasonic reflections, and by controlling water
The keying of pump and gate, so as to reach the purpose for automatically controlling field SEA LEVEL VARIATION.Invention includes：Ultrasonic receiving device 8；Put
Put the support 10 of ultrasonic receiving device；Self-shooter 11；Solar panel 7；Water level signal emitter 9；Field water level
Signal is received and analytical equipment 3；Water pump controller 2；Water pump 1；Irrigation canal 5.System includes three parts：（1）By ultrasonic wave
The field device of R-T unit, self-shooter, water level signal emitter and solar panel composition；（2）Inside pump house 4
Waterlevel data signal receiving device, data analysis and water pump control signal transmitter（I.e. field water level signal is received and analyzes dress
Put）, and water pump composition；（3）Irrigation canal or pipeline.The monitor on field device installed in each independent field or fish pond is by super
Sound wave reflection measurement field water level, when a certain field water potential drop as little as irrigation low limit, opens the corresponding self-shooter of the field,
Meanwhile, thirst signal is transmitted into the field water level signal receiver to pump house, afterwards, signal transmission is received to data analysis
Device, data analysis set-up control the unlatching number of water pump according to the quantity for needing instantly paddy field block, to guarantee to need paddy field in satisfaction
Block is irrigated and will not excessively cause the too high generation of water level in channel to be overflowed because opening water pump quantity while requirement.When field water level by
When monitoring ultrasonic instrument detects highest irrigation level, self-shooter is closed, and is switched off the pump.The system architecture is simple, in original
Control device is installed additional on the basis of having pumping plant channel farmland, it is with low cost, can avoid not enough precisely leading because of artificial operation
The water waste of cause or farmland（Fish pond）Water shortage situation, has saved human cost, and the irrigation water that can effectively lift farmland is effective
Usage factor.
The present invention launches ultrasonic wave to the water surface using the ultrasonic transmission/reception emitter being installed vertically on above the water surface of farmland, and returns
Receive, according to transmitting-receiving the time difference calculate the water surface 13 to transmitter air line distance H1, measured in advance good farmland bottom to transmitter away from
Depth of water H3 can then be calculated from H2, starting gate and water pump are irrigated when H3 is reduced to irrigation lower limit, until filling supreme restricting water supply
Till position, closed shutter and water pump.
Ensure that sound wave less as reflecting surface by the use of the field water surface to be disturbed by other materials, due to building ring
Border is near moist paddy field, if can there is animals and plants and microbial growth in water from other reflectings surface so that reflecting surface is thick
It is rough, affect sound wave reflection.After field signal receiving device receives field thirst signal, it is analyzed, according to same time institute
The land area that need to be irrigated determines the number for opening water pump, for example：1000 mu of certain pumping plant control area, pumping plant are equipped with 4, water pump,
Numbering 1-4, is isolated by ridge 12 per 50 mu of rice terraces, and is each equipped with gate, altogether 20, gate, when 0-5 blocks paddy field needs
During irrigation, No. 1 pump is opened, when 6-10 blocks paddy field needs to irrigate, start 1, No. 2 water pumps, by that analogy, so as to ensure plugman
Make the lifting of efficiency.
Above-mentioned preferred version when the distant situation of canal for water conveyance is run into, such as trunk canal length 5km, then in view of channel
The loss of flood peak in water delivery, can will need paddy field block number mesh to be multiplied by certain sampling factor according to the distance between field and pumping plant,
For example, when a certain field beyond pumping plant 5km needs water, transmission signal is probably that 1.2 pieces of fields need water, to make up long distance water transfer
Loss, concrete coefficient can according to water pump install flow, pumping plant control area and water delivery distance determine.
The above is only the preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (3)
1. the automatic control irrigation system based on a kind of principle by ultrasonic reflections, it is characterised in that：Field gate installation in
On ridge, mounting bracket above gate, support respectively with ultrasonic receiving device, water level signal emitter and solar cell
Plate connects；Field water level signal is received and analytical equipment is connected with water pump controller, all water in water pump controller connection pump house
Pump；The ultrasonic receiving device is vertically arranged to above the water surface of field, with the water surface as reflecting surface, according to transmitting-receiving time interval and
Ultrasonic receiving device setting height(from bottom) calculates field water level, when field water potential drop as little as irrigates lower limit, controls certain field gate
Open, and field thirst signal is transmitted to the field water level signal reception being installed in pump house and analyzed by sender unit
Device；After field water level signal in pump house is received and analytical equipment receives field thirst signal, data analysis is carried out,
It is determined that while need the field number of water, and the electric signal of varying strength is sent to water pump controller, water pump control according to analysis result
Device processed opens water pump number according to the strong and weak decision of received electric signal；Institute is reached when ultrasonic receiving device detects field water level
Need during the irrigation level upper limit, to be automatically switched off certain field gate；Ultrasonic receiving device is launched ultrasonic wave to the water surface and is reclaimed, according to
The transmitting-receiving time difference calculates air line distance H1 of the water surface to ultrasonic receiving device, and measured in advance good farmland bottom is to ultrasonic transmission/reception
Device can then calculate depth of water H3 apart from H2, when H3 be reduced to irrigation lower limit when starting gate and water pump irrigated, until fill to
Till upper limit water level, closed shutter and water pump.
2. the automatic control irrigation system based on a kind of principle by ultrasonic reflections according to claim 1, its feature
It is：Described automatic control irrigation system was applied in the breeding time in paddy rice and fish pond needs the situation for keeping field water layer.
3. the automatic control irrigation system based on a kind of principle by ultrasonic reflections according to claim 1, its feature
It is：Ultrasonic receiving device, gate, water level signal emitter, field water level signal are received and analytical equipment required drive
From rack-mount solar panel, solar panel plays rain-proof effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610926924.3A CN106525202A (en) | 2016-10-31 | 2016-10-31 | Automatically controlled irrigation system based on ultrasonic wave reflection principle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610926924.3A CN106525202A (en) | 2016-10-31 | 2016-10-31 | Automatically controlled irrigation system based on ultrasonic wave reflection principle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106525202A true CN106525202A (en) | 2017-03-22 |
Family
ID=58292671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610926924.3A Pending CN106525202A (en) | 2016-10-31 | 2016-10-31 | Automatically controlled irrigation system based on ultrasonic wave reflection principle |
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| Country | Link |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111685024A (en) * | 2020-07-14 | 2020-09-22 | 中国农业科学院农田灌溉研究所 | Water flow state monitoring method for fine ground irrigation |
| CN111765925A (en) * | 2020-07-14 | 2020-10-13 | 中国农业科学院农田灌溉研究所 | Fine irrigation surface water flow state monitoring system |
| CN112819332A (en) * | 2021-02-02 | 2021-05-18 | 中国水利水电科学研究院 | Water distribution method and device based on full-channel transmission and distribution and computer equipment |
| CN114208627A (en) * | 2021-12-23 | 2022-03-22 | 沈阳农业大学 | Intelligent irrigation and drainage and soil profile solution acquisition and monitoring system for rice field |
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| JP2571438B2 (en) * | 1989-06-20 | 1997-01-16 | 宇部興産株式会社 | Dust removal device |
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2016
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Patent Citations (4)
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| JP2571438B2 (en) * | 1989-06-20 | 1997-01-16 | 宇部興産株式会社 | Dust removal device |
| CN102635095A (en) * | 2011-02-14 | 2012-08-15 | 张新潮 | Remote control water metering gate |
| CN203912784U (en) * | 2014-06-24 | 2014-11-05 | 衢州顶点电子科技有限公司 | A kind of field irrigation monitoring system |
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Non-Patent Citations (1)
| Title |
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| 杨久红，王小增: "基于LPC2103的稻田自动灌溉系统", 《农机化研究》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111685024A (en) * | 2020-07-14 | 2020-09-22 | 中国农业科学院农田灌溉研究所 | Water flow state monitoring method for fine ground irrigation |
| CN111765925A (en) * | 2020-07-14 | 2020-10-13 | 中国农业科学院农田灌溉研究所 | Fine irrigation surface water flow state monitoring system |
| CN112819332A (en) * | 2021-02-02 | 2021-05-18 | 中国水利水电科学研究院 | Water distribution method and device based on full-channel transmission and distribution and computer equipment |
| CN114208627A (en) * | 2021-12-23 | 2022-03-22 | 沈阳农业大学 | Intelligent irrigation and drainage and soil profile solution acquisition and monitoring system for rice field |
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Application publication date: 20170322 |
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| RJ01 | Rejection of invention patent application after publication |