CN102607679B - Real-time soil moisture weight and percolating water quality monitoring system - Google Patents

Real-time soil moisture weight and percolating water quality monitoring system Download PDF

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Publication number
CN102607679B
CN102607679B CN2012100787342A CN201210078734A CN102607679B CN 102607679 B CN102607679 B CN 102607679B CN 2012100787342 A CN2012100787342 A CN 2012100787342A CN 201210078734 A CN201210078734 A CN 201210078734A CN 102607679 B CN102607679 B CN 102607679B
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China
Prior art keywords
centimetres
water quality
automatic
earth pillar
data
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Expired - Fee Related
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CN2012100787342A
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Chinese (zh)
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CN102607679A (en
Inventor
陈宝成
张民
刘之广
李文庆
李成亮
马丽
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Shandong Agricultural University
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Shandong Agricultural University
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Abstract

The invention relates to a real-time soil moisture weight and percolating water quality monitoring system, which comprises a soil column weighing system, a percolating water collection and monitoring system and a data acquisition and transmission system. The real-time soil moisture weight and percolating water quality monitoring system is systematic and multifunctional, and has the functions of automatic monitoring, automatic data storage and wireless data transmission. The system can automatically monitor the change of soil moisture weight and percolating water quality in order to obtain the conditions of soil moisture change and nutrient percolation and migration in real time; and monitoring data are stored, transmitted and received by the data acquisition and transmission system, and can be timely and conveniently processed.

Description

Soil water weight and water quality real-time monitoring device
one, technical field
The present invention relates to a kind of native water weight and water quality real-time monitoring device, be specifically related to automatically monitor a whole set of device of native water weight change, soil filtration water quality and Monitoring Data wireless transmission.
two, technical background
Carry out scientifically and rationally the monitoring that Soil Water changes and Nutrient Leaching moves is the important issue of agricultural production research always.The situations such as the content of the holard, soil nutrient diafiltration, affect the absorption of crop to water, nutrient, and then affect the validity of soil nutrient and to the pollution level of soil and groundwater.China's farmland fertilization is more extensive in the control of quantity and time at present, ubiquity rich water resource utilization is not high, waste and the phenomenon such as pollution of area source is serious, native water weight change, soil nutrient diafiltration situation etc. are not also carried out to Real-Time Monitoring in field, Monitoring Data is not carried out to remote transmission yet.Current existing patent is only single to the article automatic weighing or to data, to carry out remote transmission, but a whole set of device also native water weight weighing, water quality monitoring and remote data transmission combined.This patent relates to native water weight change automatic weighing, water quality Real-Time Monitoring and automatically gathers the device of storage of measurement data, and Monitoring Data is carried out to remote transmission, can the Real-Time Monitoring Soil Water Content change, the soil filtration water quality condition, thereby better instruct farmland fertilization and irrigation.
three, summary of the invention
In order to address the above problem, the invention provides a kind of native water weight and water quality real-time monitoring device, the present invention can the Real-Time Monitoring field situations such as soil water weight change and water quality, and can be transmitted Monitoring Data by wireless transmitting system and be received.Can monitor timely and conveniently holard variation and nutrient migration situation by this invention, for scientific and reasonable fertilising, the loss of minimizing rich water provide technology and equipment to support, better meet the agricultural production needs.
A kind of native water weight and water quality real-time monitoring device, comprise earth pillar weighing system, leakage water collection monitoring system and data collection and transfering system.
Described earth pillar weighing system is comprised of earth pillar bucket, automatic Weighing sensor and load-bearing pillar.Described earth pillar bucket is cylindric stainless steel cask, and upper and lower diameter is identical, and the end is arranged, and diameter is generally 1.5 meters, highly is generally 2 meters, and its size can need determine according to test, generally to reach the crop root distributed depth for well; Described automatic Weighing sensor and load-bearing pillar are three, and three load-bearing pillars become equilateral triangle to be placed in the bottom of earth pillar bucket, fix an automatic Weighing sensor on each load-bearing pillar, place the earth pillar bucket on the automatic Weighing sensor.
Described leakage water is collected monitoring system and is comprised of leakage water tray, aqueduct, collecting container, automatic water quality monitoring instrument; 50 centimetres, 100 centimetres apart from ground surface soil surface of described earth pillar bucket sidewalls and 150 centimeters 3 holes that diameter is 1.5 centimetres that are crisscross arranged up and down; Described collecting container, automatic water quality monitoring instrument and leakage water tray are 3; Described leakage water tray is placed on respectively in the earth pillar bucket 50 centimetres, 100 centimetres and 150 centimeters apart from earth's surface, and staggered not overlapping up and down; The leakage water tray is circular stainless steel disc, 15 centimetres of radiuses, dark 10 centimetres; Each leakage water tray is equipped with in bottom, one side the hole that a diameter is 1.5 centimetres; Align with the hole of earth pillar bucket wall in the hole of leakage water tray, an end of every aqueduct is connected with the hole of leakage water tray bottom, and the other end is connected with collecting container through corresponding hole on the earth pillar bucket; Place respectively an automatic water quality monitoring instrument in three collecting containers.
Described data collection and transfering system is comprised of data acquisition unit, accumulator, wireless launcher, wireless receiver, computer terminal.Described data acquisition unit all is connected by 232 lines with three automatic water quality monitoring instrument with three automatic Weighing sensors, and Real-time Collection also stores Monitoring Data, then is connected with the wireless launcher (GPRS module) with the RS485 interface by the RS485 bus; Wireless launcher is connected by wide area network with wireless receiver, and wireless receiver is connected with computer terminal by 232 lines; Wireless launcher (GPRS module) passes through GPRS network by the data that collect, then sends to wireless receiver by wide area network.
Described automatic water quality monitoring instrument is multi-parameter water quality monitor (U.S. Hash MS5 water quality testing meter), reading in real time, store and analyzing of a plurality of supplemental characteristics can be realized simultaneously, conductivity, pH, ammonium ion, nitrate ion, chlorion, ORP oxidation-reduction potential, general dissolved gas, temperature etc. can be measured.
Described automatic Weighing sensor can automatic weighing object (as the earth pillar bucket) quality, and can pass to data acquisition unit to weighing data and carry out record, its range of weighing and precision need meet alleged mass of object and test accuracy requirement.
Described data acquisition unit has the determination data of the coupled instrument with data-transformation facility (as the automatic Weighing sensor) is carried out to the function of acquisition and recording, and can further pass to computer terminal to data, in order to carry out the statistical treatment analysis.
The advantage of patent of the present invention is:
Apparatus of the present invention have systematicness and multifunctionality, can realize the function of automatic monitoring, automatic storage data, data wireless transmission.Device can be monitored variation and the water quality of native water weight automatically, grasps in real time soil moisture and changes and nutrient diafiltration migration situation; Monitoring Data is stored, is transmitted and accepted by data collection and transfering system, timely and conveniently deal with data.
four, accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further described.
Fig. 1 is overall diagram of the present invention, and wherein, 19 is underground chamber cap, and 20 is concrete wall, and 21 is the concrete basis.
Fig. 2 is earth pillar weighing system schematic diagram.Wherein, 1 is the earth pillar bucket, and 2 is the automatic Weighing sensor, and 3 is load-bearing pillar.
Fig. 3 is that leakage water is collected the monitoring system schematic diagram.Wherein, the 4th, the leakage water tray, the 5th, leakage water tray aperture, the 6th, earth pillar bucket aperture 7 is aqueducts, the 8th, collecting container, the 9th, automatic water quality monitoring instrument 10 is freeing port.
Fig. 4 is data collection and transfering system.Wherein 11 is wireless launchers, the 12nd, and data acquisition unit, 13 is accumulator, and 14 is the signal emitting antenna, and 15 is computer terminal, and 16 is wireless receiver.
Fig. 5 is the entity aerial view after the invention process.Wherein, 17 is bulkhead, and 18 is the iron ladder.
five, embodiment
Automatic Weighing sensor, data acquisition unit, accumulator, wireless launcher, wireless receiver and computer terminal involved in the present invention are commercial product.
The automatic Weighing sensor related in the present invention can determine according to requirements, its range of weighing and precision can meet use in alleged mass of object and test accuracy require to get final product.
Specific implementation method is as follows by reference to the accompanying drawings:
First according to measuring the requirement of leakage water sampling depth, interlock and make a call to the aperture that 3 diameters are 1.5 centimetres up and down at earth pillar bucket wall sidewall, go out the leakage water of leakage water tray for water conservancy diversion, the positional distance ground surface soil surface spiled is respectively 50 centimetres, 100 centimetres, 150 centimetres, and the staggered degree up and down of aperture is with the leakage water tray of each soil layer overlapping being as the criterion not up and down; The leakage water tray is circular stainless steel disc, 15 centimetres of radiuses, dark 10 centimetres.Leakage water tray side bottom is made a call to the aperture that a diameter is 1.5 centimetres, connects the resistance to compression plastics aqueduct that contains steel wire, and the junction sealant sealing, make it water-tight.The thick 5 centimetres of fine sands of the first place mat of trying to get to the heart of a matter, the above's dress soil is to dishful.
The selected solution space in field, excavate long 3-4 rice, wide 2-3 rice, the heatable adobe sleeping platform of dark 3 meters, at the built-in basement of heatable adobe sleeping platform, its bottom is concrete basis 21, and thick 10 centimetres, waterproof reinforced concrete structure body of wall 20 is built on foot mat top, hole, thickness is 30 centimetres, high 280 centimetres, and by waterproof, C25 builds.The circular hole of 160 centimetres of diameters is stayed in the centre at basement top; Push up one jiao of bulkhead 17 of staying 100 centimetres of 80 cm x in pond, have an iron ladder 18 to lead to bottom from top, upper and lower for personnel., be equilateral triangle three load-bearing pillars are set on Yuan Dong ground, top in the basement bottom surface, fix an automatic Weighing sensor 2 on each load-bearing pillar, automatic Weighing sensor 2 is connected with data acquisition unit 12.Lay earth pillar bucket 1 above three automatic Weighing sensors 2, on earth pillar bucket 1 along 15 centimetres above ground level.The interior interpolation of earth pillar bucket 1 soil for test, add identical that native hierarchical structure should be with field soil on every side, along with native interpolation, according to experiment, three leakage water trays 4 need to be placed in earth pillar bucket 1 from down to up, the depth distance earth's surface is respectively 150 centimetres, 100 centimetres, 50 centimetres, during placement, leakage water tray 4 should interlock up and down, and staggered degree is with upper and lower leakage water tray 4 overlapping being as the criterion not.When laying leakage water tray 4 the aqueduct 7 on each soil layer leakage water tray 4 the earth pillar bucket aperture 6 through the corresponding degree of depth, lead in the outer collecting container of answering in contrast 8 of earth pillar bucket 1, carry out the collection of leakage water, automatic water quality monitoring instrument 9 is installed in collecting container 8, after setting the minute interval of water quality automatic tester, thereby the water quality automatic tester is connected to the real-time storage that realizes data with data acquisition unit 12, data acquisition unit 12 guarantees continuation of the journey by accumulator 13 power supplies, the data of its collection are by wireless launcher 11 codings, be transferred to wireless receiver through signal emitting antenna 14 by the GPRS wide area network, after wireless receiver 16 receives data, by 232 lines, with computer terminal 15, be connected, realize the real-time monitoring of data.
Equipment set installs, and just can carry out mensuration and the reception of test figure.Along with soil moisture evaporation seepage or pouring in the earth pillar bucket, the quality of whole earth pillar bucket can reduce or increase, and the mass change situation of earth pillar bucket is weighed up by LOAD CELLS, and gives data acquisition unit data transmission; After percolating water in the earth pillar bucket is accepted by the leakage water tray of its inner each level, be pooled in collecting container, utilize the automatic water quality monitoring instrument to measure conductivity, pH, ammonium ion, nitrate ion, chlorion, ORP oxidation-reduction potential, general dissolved gas, temperature in percolating water, draw soil aeration situation and soil nutrient seepage situation; Issue wireless receiver by wireless generator after the data acquisition unit image data, then be connected with computer terminal by 232 lines, realize the real-time monitoring of data, instruct people scientific and reasonable the carrying out of field management measure such as ventilation, fertilising of being watered, loosen the soil.

Claims (1)

1. a native water weight and water quality real-time monitoring device, is characterized in that comprising that earth pillar weighing system, leakage water collect monitoring system and data collection and transfering system;
Described earth pillar weighing system is comprised of earth pillar bucket, automatic Weighing sensor and load-bearing pillar; Described earth pillar bucket is cylindric stainless steel cask, and upper and lower diameter is identical, and the end is arranged; Described automatic Weighing sensor and load-bearing pillar are three, and three load-bearing pillars become equilateral triangle to be placed in the bottom of earth pillar bucket, fix an automatic Weighing sensor on each load-bearing pillar, place the earth pillar bucket on the automatic Weighing sensor;
Described leakage water is collected monitoring system and is comprised of leakage water tray, aqueduct, collecting container, automatic water quality monitoring instrument; 50 centimetres, 100 centimetres apart from ground surface soil surface of described earth pillar bucket sidewalls and 150 centimeters 3 holes that diameter is 1.5 centimetres that are crisscross arranged up and down; Described collecting container, automatic water quality monitoring instrument and leakage water tray are 3; Described leakage water tray is placed on respectively in the earth pillar bucket 50 centimetres, 100 centimetres and 150 centimeters apart from earth's surface, and staggered not overlapping up and down; The leakage water tray is circular stainless steel disc, 15 centimetres of radiuses, dark 10 centimetres; Each leakage water tray is equipped with in bottom, one side the hole that a diameter is 1.5 centimetres; Align with the hole of earth pillar bucket wall in the hole of leakage water tray, an end of every aqueduct is connected with the hole of leakage water tray bottom, and the other end is connected with collecting container through corresponding hole on the earth pillar bucket; Place respectively an automatic water quality monitoring instrument in three collecting containers;
Described data collection and transfering system is comprised of data acquisition unit, accumulator, wireless launcher, wireless receiver, computer terminal; Described data acquisition unit all is connected by 232 lines with three automatic water quality monitoring instrument with three automatic Weighing sensors, and Real-time Collection also stores Monitoring Data, then is connected with the wireless launcher GPRS module with the RS485 interface by the RS485 bus; Wireless launcher is connected by wide area network with wireless receiver, and wireless receiver is connected with computer terminal by 232 lines, and wireless launcher GPRS module is passed through GPRS network by the data that collect, then sends to wireless receiver by wide area network;
Described automatic water quality monitoring instrument is the multi-parameter water quality monitor, reading in real time, store and analyzing of a plurality of supplemental characteristics can be realized simultaneously, conductivity, pH, ammonium ion, nitrate ion, chlorion, ORP oxidation-reduction potential, general dissolved gas and temperature can be measured;
The quality of described automatic Weighing sensor energy automatic weighing object, and weighing data is passed to data acquisition unit carry out record, its range of weighing and precision need meet alleged mass of object and test accuracy requirement.
CN2012100787342A 2012-03-23 2012-03-23 Real-time soil moisture weight and percolating water quality monitoring system Expired - Fee Related CN102607679B (en)

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Publication number Priority date Publication date Assignee Title
CN102998148B (en) * 2012-12-31 2014-12-31 北京师范大学 Soil water automatic sampling and monitoring method
CN103674755A (en) * 2013-11-28 2014-03-26 南京林业大学 Measuring system and measuring method for object weight
CN104663373B (en) * 2015-03-20 2017-08-18 山东农业大学 A kind of automatic irrigation for crop pot experiment and moisture supervising device

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SU1174764A1 (en) * 1983-06-14 1985-08-23 Научно-Производственное Объединение "Солнце" Ан Тсср Weighing device
CN201196641Y (en) * 2008-03-25 2009-02-18 中国农业科学院农业资源与农业区划研究所 Farmland underground eluviation in-situ monitoring device
DE202009000640U1 (en) * 2009-01-20 2009-03-19 Ums Gmbh Lysimeter with a device for mechanical separation of the snow loading
CN201885942U (en) * 2010-11-25 2011-06-29 中国林业科学研究院林业研究所 Soil evaporation sensor
CN202471203U (en) * 2012-03-23 2012-10-03 山东农业大学 Real-time soil-water weight and percolating water quality monitoring device

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