CN103210819A - Agricultural irrigation monitoring system based on Internet of Things - Google Patents

Agricultural irrigation monitoring system based on Internet of Things Download PDF

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Publication number
CN103210819A
CN103210819A CN2013101521868A CN201310152186A CN103210819A CN 103210819 A CN103210819 A CN 103210819A CN 2013101521868 A CN2013101521868 A CN 2013101521868A CN 201310152186 A CN201310152186 A CN 201310152186A CN 103210819 A CN103210819 A CN 103210819A
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China
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soil moisture
moisture content
internet
things
monitoring
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CN2013101521868A
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Inventor
陈勇
易润忠
郭宇
高尚
罗俊海
朱玉全
刘传清
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NANJING LONGYUAN MICROELECTRONIC TECHNOLOGY Co Ltd
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NANJING LONGYUAN MICROELECTRONIC TECHNOLOGY Co Ltd
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Priority to CN2013101521868A priority Critical patent/CN103210819A/en
Publication of CN103210819A publication Critical patent/CN103210819A/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/22Improving land use; Improving water use or availability; Controlling erosion

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  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

The invention discloses an agricultural irrigation monitoring system based on the Internet of Things. The agricultural irrigation monitoring system based on the Internet of Things comprises multiple soil moisture content monitoring nodes distributed within a field monitoring range. Each soil moisture content monitoring node comprises multiple soil moisture content sensors which are buried underground in different levels and a soil moisture content signal processing module. The soil moisture content signal processing module sends controlling information to subordinate fine drop irrigation controlling nodes of the soil moisture content signal processing module through the Internet of Things. Each fine drop irrigation controlling node comprises a ZigBee low-power short-journey wireless communication module, a singlechip and a controlling and performing unit. The system can perform solid monitoring on soil moisture content underground roots of plants in multiple depths and a fixed network is not needed in order to achieve monitoring of fine drop irrigation work. The agricultural irrigation monitoring system based on the Internet of Things has the advantages of being rapid in spreading, strong in survivability, low in communication cost when used massively, convenient to install and maintain, especially suitable for countryside areas where signal cover is poor and the like.

Description

A kind of agricultural irrigation monitoring system based on Internet of Things
Technical field
The irrigation monitoring system that the present invention relates to use in the agricultural production process, particularly a kind of irrigation monitoring system based on Internet of Things.
 
Background technology
Agricultural irrigation is to solve one of effective scheme of and all kinds of disparities between supply and demand that cause in short supply day by day by water resource, it can be under the prerequisite that does not influence crop yield needs water information in good time, irrigate in right amount according to crop, thereby reaches the purpose that reduces agricultural water significantly.In irrigation operation, the soil moisture content that with the soil moisture content is representative is to calculate an important indicator that needs water information.Therefore, the soil moisture content that comprises soil moisture content is carried out continuously, monitors in meticulous irrigation and water resources rational use on a large scale, accurately and have great importance.But, still there is following problem in actual applications in existing irrigation TT﹠C system: the measurement of soil moisture content generally is confined to the single degree of depth under the face of land on the measurement point, the a plurality of deep soil moisture content of plant root under the measurement point face of land are not carried out stereoscopic monitoring, can't complete sum reflect the soil moisture situation of monitored area exactly; The soil moisture content information source is single, is subjected to the influence of extraneous accidentalia easily, is unrealized to carry out analysis-by-synthesis and irrigate control according to the result according to the soil moisture content information of a plurality of measurement points under the face of land.Soil needs water information and drip irrigation start and stop control signal to transmit by wireless services such as WIFI, bigger to the fixed communication network dependence, communications cost is higher when using on a large scale, and installation and maintenance is all inconvenient, particularly cover relatively poor rural area, system's fluctuation of service at signal.
Summary of the invention
Technical problem to be solved by this invention is at the deficiencies in the prior art, a kind of agricultural irrigation monitoring system based on Internet of Things is provided, this system can carry out stereoscopic monitoring to a plurality of deep soil moisture content of plant root under the face of land, does not need the observing and controlling of fixed network support realization to meticulous drip irrigation operation.
The present invention is achieved through the following technical solutions goal of the invention:
A kind of agricultural irrigation monitoring system based on Internet of Things, comprise several soil moisture content monitoring nodes that are arranged in the monitoring range of field, each soil moisture content monitoring node comprises that soil moisture content signal processing module and several are embedded in ground end different depth of soil moisture sensor, described soil moisture content signal processing module sends control information to the meticulous drip irrigation Control Node of its subordinate by Internet of Things, several adjacent soil moisture content monitoring nodes constitute one bunch, and each bunch comprises a bunch of first node.
The signal processing module of soil moisture content described in the present invention comprises microprocessor, signal condition module and A/D module, described microprocessor links to each other with signal condition module and A/D module, the pumping signal input of described soil moisture content sensor links to each other with the output of signal condition module, and the measuring-signal output of soil moisture content sensor links to each other with the input of A/D module; Described A/D module comprises 4 12 high-precision A/D ALT-CH alternate channels, and data signal sends to microprocessor by the mode of serial communication, and microprocessor links to each other with wireless communication module with memory.The present invention, the signal conditioning module includes four operational amplifiers composed of four follower, said follower input of the microprocessor is connected to the excitation signal output terminal, the output end is connected with excitation signal pin which is buried in the ground with a number of different depths soil moisture sensor ,after using microprocessor control signal conditioning modules ,according to a certain time interval, to amplify the excitation signal successively ,to start several underground soil moisture sensors buried at different depths to achieve three-dimensional measurement of soil moisture in different soil layers .
Bunch first node described in the present invention can will receive the cloud computing platform that all uploads to the remote server Internet of Things from the soil moisture content monitoring information of described soil moisture content monitoring node by WIFI network or internet, and cloud computing platform can dock with agriculture specialist system simultaneously.
Meticulous drip irrigation Control Node described in the present invention comprises control performance element, ZigBee low-power consumption short-range wireless communication module and single-chip microcomputer, and described control performance element, ZigBee low-power consumption short-range wireless communication module link to each other with single-chip microcomputer; Described control performance element comprises driving circuit for electromagnetic valve, magnetic valve and the drip irrigation water pipe that is linked in sequence, described ZigBee low-power consumption short-range wireless communication module adopts the mode of the 2. 4GHz short distance low-consumption wireless communications meet the ZigBee agreement to receive drip irrigation control information from higher level's soil moisture content monitoring node
Meticulous drip irrigation Control Node described in the present invention is carried out wireless self-networking with a bunch first node, thereby all nodes of whole agricultural irrigation booth are carried out convergence and data jump transmission.
Soil moisture content described in the present invention is gathered Centroid and is regularly sent networking information to the meticulous irrigation Control Node of its subordinate, after described meticulous drip irrigation Control Node was received the networking information of higher level's soil moisture content monitoring node, meticulous drip irrigation TT﹠C system entered the group net operation pattern.
Compared with prior art, the present invention has following useful technique effect:
Because monitoring node adopts a plurality of wireless sensers that are arranged in different depth, make meticulous drip irrigation TT﹠C system of the present invention realize a plurality of different depth of soil moisture content of plant root under the face of land are carried out stereoscopic monitoring, reflect the soil moisture situation of monitored area more exactly at each measurement point; System judges that according to the soil moisture content information of a plurality of degree of depth under each measurement point face of land crop needs the regimen condition to carry out drip irrigation, can get rid of the interference of accidentalia to a great extent, control is stable more, accurate, information transmission between each functional node of system passes on the mode of all communicating by letter by the 2. 4GHz high frequency short distance low-consumption wireless that meet the ZigBee agreement to carry out with instruction, without any need for the support of fixed network, have characteristics such as rapid deployment, survivability be strong.Communications cost is lower during extensive the use, and installation and maintenance is convenient, is specially adapted to signal and covers relatively poor rural area.
Irrigate Control Node and possess independently time acquisition capability, make the irrigation control system both can independent operating, also can carry out internet of things networking operation with the soil moisture content monitoring node, application mode is versatile and flexible, is specially adapted to that large-scale soil information obtains and meticulous drip irrigation control occasion.Irrigation system can be docked with long-range server cloud computing platform simultaneously, thereby is convenient to the intervention of each agriculture specialist system.System the present invention can make irrigation technique regulate automatically according to the lack of water situation of soil and irrigate start-stop time and duration, and effectively the conserve water resource is boosted agricultural yield
Description of drawings
The invention will be further described below in conjunction with accompanying drawing and embodiment:
Fig. 1 is the structural representation that the present invention is based on the agricultural irrigation TT﹠C system of Internet of Things;
Fig. 2 is that soil moisture content monitoring node of the present invention constitutes schematic diagram;
Fig. 3 is that irrigation Control Node of the present invention constitutes schematic diagram.
 
Embodiment
As shown in Figure 1, the present invention includes several soil moisture content monitoring nodes that are arranged in the monitoring range of field and several irrigate Control Node and a bunch first node soil moisture content monitoring node constitutes as shown in Figure 1.The soil moisture content monitoring node comprises that 4 are embedded in ground end different depth of soil moisture sensor, msp430 microprocessor, signal condition module, memory, usb circuit, ZigBee wireless communication unit, A/D module, solar panel, charge control module, and solar cell.In the soil moisture content monitoring node, the msp430 microprocessor links to each other with signal condition module and A/D module, four pumping signal inputs that are embedded in ground end different depth of soil moisture sensor link to each other with the output of conditioning module, and the measuring-signal output links to each other with the input of A/D module.The signal condition module mainly comprises 4 operational amplifiers, forms 4 followers respectively.The input of each follower links to each other with the pumping signal output of msp430 microprocessor, output then links to each other with the pumping signal pin of soil moisture content sensor, msp430 microprocessor control signal conditioning module is amplified the back through follower according to certain time interval successively with pumping signal and is started four soil moisture content sensors, can realize the soil moisture content of 4 different soil is carried out measurement in space.Each sensor measurement signal is the aanalogvoltage form, after carrying out A/D conversion by the A/D module, data signal is sent to msp430 microprocessor A/D module comprises 4 12 high-precision A/D ALT-CH alternate channels, the mode of data signal by serial communication sends to msp430 microprocessor usb circuit and links to each other with the msp430 microprocessor, and the download and the online of metrical information that are used for control program are uploaded.
The msp430 microprocessor links to each other with memory, each measure finish after the msp430 microprocessor soil moisture content information be stored in memory msp430 microprocessor link to each other with the ZigBee wireless communication unit, the ZigBee wireless communication unit is in resting state at ordinary times, the msp430 microprocessor wakes the ZigBee wireless communication unit up according to certain time interval every day, adopts the mode of the 2. 4GHz short distance low-consumption wireless communications that meet the ZigBee agreement that the information on soil moisture in the memory is uploaded to a bunch first node by the ZigBee wireless communication unit.
Bunch first node regularly sends the data upload request to the soil moisture content monitoring node, if the soil moisture content monitoring node fails to receive the data upload request from bunch first node behind a plurality of RQ cycles, then is considered as a bunch first joint.Point failure.The soil moisture content monitoring node is no longer uploaded monitoring information, then monitoring information is stored in the memory of self.After bunch first node receives soil moisture content monitoring information from the soil moisture content monitoring node, can send ACK message to cloud computing platform, to inform its data transmission success of soil moisture content monitoring node that sends the soil moisture content monitoring information and to inform network that it is in the state of normal operation.
Simultaneously when bunch first node transmitting supervisory information, bunch first node abandons the Monitoring Data bag of being received to the soil moisture content monitoring node when the conflict generation, and to all soil moisture content monitoring node broadcast collision information.The soil moisture content monitoring node is uploaded monitoring information to a bunch first node after delaying time according to certain agreement again, avoids the loss of data that causes owing to communication contention aware.
Soil moisture content monitoring node and bunch first node are provided with the independent solar supply module group that comprises solar panel, charge control module and rechargeable battery.Solar panel links to each other with charge control module, and charge control module links to each other with rechargeable battery.Charge control module realizes charging control according to the voltage connection of rechargeable battery or the charge circuit between cut-out solar panel and rechargeable battery.Rechargeable battery provides operate as normal required power supply for the corresponding device of soil moisture content monitoring node and bunch first intranodal.
Irrigate the Control Node structure as shown in Figure 3.Meticulous drip irrigation Control Node comprises the msp430 microprocessor, ZigBee low-power consumption short-range wireless communication module, 3. 6V battery, real-time clock, driving circuit for electromagnetic valve, magnetic valve, irrigation pipe, 3 LED and 9V power supply.Keyboard circuit links to each other with msp430 microprocessor single-chip microcomputer, real-time clock links to each other with msp430 microprocessor single-chip microcomputer, 3 LED link to each other with msp430 microprocessor single-chip microcomputer, driving circuit for electromagnetic valve links to each other with msp430 microprocessor single-chip microcomputer, magnetic valve links to each other with driving circuit for electromagnetic valve, and irrigation pipe links to each other with magnetic valve.
The msp430 microprocessor single-chip microcomputer of irrigating Control Node links to each other with ZigBee low-power consumption short-range wireless communication module, receives the drip irrigation control information from higher level's soil moisture content monitoring node.The type node comprises independent working mode and networking mode of operation.
Under the independent working mode, msp430 microprocessor single-chip microcomputer is in dormant battery saving mode; Real-time clock produced an interrupt signal in per 1 second, judged whether to be added to 30 seconds after msp430 microprocessor single-chip microcomputer wakes up, if not, then directly enter battery saving mode; If then 3 LED flickers once normally move with characterization system, and judge whether system is in the irrigation state.If system is not in the irrigation state, then msp430 microprocessor single-chip microcomputer reads the current time of real-time clock and compares with the start-up time of drip irrigation: if equate, then the msp430 microprocessor microcontroller is controlled driving circuit for electromagnetic valve and is opened magnetic valve and irrigate with the conducting irrigation pipe.If the current time of real-time clock is unequal start-up time with irrigation, then directly turn back to battery saving mode.If system is in the irrigation state, then msp430 microprocessor single-chip microcomputer then reads the current time of real-time clock and compares with the irrigation value finish time that calculates: if equate, then close driving circuit for electromagnetic valve and stop drip irrigation, the closing state of drip irrigation is write EEPROM and returns battery saving mode; If unequal, then directly turn back to battery saving mode.
Under the networking mode of operation of Internet of Things, soil moisture content monitoring node msp430 microprocessor is handled the soil moisture content data that collect, if the soil moisture content that monitors is higher or lower than the standard value certain limit, then irrigate Control Node to its subordinate and send control information, stop or starting irrigation by the ZigBee wireless communication unit.Under the networking mode of operation, the ZigBee low-power consumption short-range wireless communication module of irrigating Control Node receives from higher level's soil moisture content monitoring node irrigates information, and the EEPROM that this information is sent to msp430 microprocessor single-chip microcomputer inside has been stored unique sequence number identified, if the sequence number in the soil moisture content monitoring node control command is identical with self sequence number, the priority of then wireless irrigation control command is higher than regularly drip irrigation, and msp430 controls the closure of driving circuit for electromagnetic valve to stop or starting irrigation according to this information.
The soil moisture content monitoring node is regularly irrigated Control Node to its subordinate and is sent networking information, after the irrigation Control Node is received the networking information of higher level's soil moisture content monitoring node, enters the group net operation pattern.If meticulous irrigation Control Node exceeds the time limit not receive the information that exists from higher level's soil moisture content monitoring node, then automatically change independent working mode into by networking model.

Claims (5)

1. agricultural irrigation monitoring system based on Internet of Things, it is characterized in that: comprise several soil moisture content monitoring nodes that are arranged in the monitoring range of field, each soil moisture content monitoring node comprises that soil moisture content signal processing module and several are embedded in ground end different depth of soil moisture sensor, described soil moisture content signal processing module sends control information to the meticulous drip irrigation Control Node of its subordinate by Internet of Things, several adjacent soil moisture content monitoring nodes constitute one bunch, and each bunch comprises a bunch of first node.
2. a kind of agricultural irrigation monitoring system according to claim 1 based on Internet of Things, it is characterized in that: described soil moisture content signal processing module comprises microprocessor, signal condition module and A/D module, described microprocessor links to each other with signal condition module and A/D module, the pumping signal input of described soil moisture content sensor links to each other with the output of signal condition module, and the measuring-signal output of soil moisture content sensor links to each other with the input of A/D module; Described A/D module comprises 4 12 high-precision A/D ALT-CH alternate channels, and data signal sends to microprocessor by the mode of serial communication, and microprocessor links to each other with wireless communication module with memory.
3. a kind of agricultural irrigation monitoring system according to claim 1 and 2 based on Internet of Things, it is characterized in that: described bunch of first node can will receive the cloud computing platform that all uploads to the remote server Internet of Things from the soil moisture content monitoring information of described soil moisture content monitoring node by WIFI network or internet, and cloud computing platform can dock with agriculture specialist system simultaneously.
4. according to a kind of agricultural irrigation monitoring system described in the claim 1 based on Internet of Things, it is characterized in that: described meticulous drip irrigation Control Node comprises control performance element, ZigBee short-range wireless communication module and single-chip microcomputer, and described control performance element, short-range wireless communication module link to each other with single-chip microcomputer; Described control performance element comprises driving circuit for electromagnetic valve, magnetic valve and the drip irrigation water pipe that is linked in sequence.
5. a kind of agricultural irrigation monitoring system according to claim 4 based on Internet of Things, it is characterized in that: described meticulous drip irrigation Control Node is carried out wireless self-networking with a bunch first node, thereby all nodes of whole agricultural irrigation booth are carried out convergence and data jump transmission.
CN2013101521868A 2013-04-27 2013-04-27 Agricultural irrigation monitoring system based on Internet of Things Withdrawn CN103210819A (en)

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104082106A (en) * 2014-06-20 2014-10-08 裴兆欣 Agricultural irrigation monitoring system
CN105432438A (en) * 2015-12-07 2016-03-30 天津榛发科技有限责任公司 Intelligent agricultural monitoring system based on cloud platform
CN106230970A (en) * 2016-08-29 2016-12-14 山东胜伟园林科技有限公司 A kind of salt discharge Internet of things system
CN106297221A (en) * 2016-08-19 2017-01-04 广东司南物联股份有限公司 A kind of agricultural irrigation security alarm mode based on technology of Internet of things
CN107682241A (en) * 2017-09-28 2018-02-09 深圳市晟达机械设计有限公司 A kind of intelligent home device control system based on cloud computing
CN107896255A (en) * 2017-12-15 2018-04-10 浙江清华长三角研究院 A kind of soil matrix data acquisition and automatic monitoring system based on Internet of Things
CN108552015A (en) * 2018-04-17 2018-09-21 南京信息工程大学 A kind of automatic monitoring of network-based soil moisture and accurate sprinkling system
CN108989196A (en) * 2018-08-07 2018-12-11 广州新标农业科技有限公司 Paddy field cultivation instructs system and paddy field cultivation guidance method
US10524430B1 (en) 2018-03-29 2020-01-07 Blake Nervino Irrigation management system
CN111642376A (en) * 2020-06-16 2020-09-11 常熟理工学院 Intelligent irrigation system implementation method based on Internet of things
CN111913413A (en) * 2020-05-25 2020-11-10 蒙来苏农业科技(苏州)有限公司 Wisdom agricultural irrigation remote control system
CN114942611A (en) * 2022-07-26 2022-08-26 北京市农林科学院智能装备技术研究中心 Agricultural irrigation remote water meter and water meter control method
CN116242426A (en) * 2022-12-27 2023-06-09 中冶建筑研究总院有限公司 Large-span space structure health supervision system and method thereof

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104082106A (en) * 2014-06-20 2014-10-08 裴兆欣 Agricultural irrigation monitoring system
CN105432438A (en) * 2015-12-07 2016-03-30 天津榛发科技有限责任公司 Intelligent agricultural monitoring system based on cloud platform
CN106297221A (en) * 2016-08-19 2017-01-04 广东司南物联股份有限公司 A kind of agricultural irrigation security alarm mode based on technology of Internet of things
CN106230970A (en) * 2016-08-29 2016-12-14 山东胜伟园林科技有限公司 A kind of salt discharge Internet of things system
CN107682241A (en) * 2017-09-28 2018-02-09 深圳市晟达机械设计有限公司 A kind of intelligent home device control system based on cloud computing
CN107896255A (en) * 2017-12-15 2018-04-10 浙江清华长三角研究院 A kind of soil matrix data acquisition and automatic monitoring system based on Internet of Things
US10524430B1 (en) 2018-03-29 2020-01-07 Blake Nervino Irrigation management system
CN108552015A (en) * 2018-04-17 2018-09-21 南京信息工程大学 A kind of automatic monitoring of network-based soil moisture and accurate sprinkling system
CN108989196A (en) * 2018-08-07 2018-12-11 广州新标农业科技有限公司 Paddy field cultivation instructs system and paddy field cultivation guidance method
CN111913413A (en) * 2020-05-25 2020-11-10 蒙来苏农业科技(苏州)有限公司 Wisdom agricultural irrigation remote control system
CN111642376A (en) * 2020-06-16 2020-09-11 常熟理工学院 Intelligent irrigation system implementation method based on Internet of things
CN114942611A (en) * 2022-07-26 2022-08-26 北京市农林科学院智能装备技术研究中心 Agricultural irrigation remote water meter and water meter control method
CN114942611B (en) * 2022-07-26 2022-10-04 北京市农林科学院智能装备技术研究中心 Agricultural irrigation remote water meter and water meter control method
CN116242426A (en) * 2022-12-27 2023-06-09 中冶建筑研究总院有限公司 Large-span space structure health supervision system and method thereof
CN116242426B (en) * 2022-12-27 2023-11-14 中冶建筑研究总院有限公司 Large-span space structure health supervision system and method thereof

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Application publication date: 20130724