CN106212217B - Intelligent precision irrigation control system - Google Patents
Intelligent precision irrigation control system Download PDFInfo
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- CN106212217B CN106212217B CN201610632522.2A CN201610632522A CN106212217B CN 106212217 B CN106212217 B CN 106212217B CN 201610632522 A CN201610632522 A CN 201610632522A CN 106212217 B CN106212217 B CN 106212217B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/16—Control of watering
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C23/00—Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
- A01C23/04—Distributing under pressure; Distributing mud; Adaptation of watering systems for fertilising-liquids
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Environmental Sciences (AREA)
- Soil Sciences (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Greenhouses (AREA)
Abstract
The invention discloses an intelligent precision irrigation control system which comprises a control pump room, wherein a master control module, a water pump, a master irrigation control valve, an irrigation pipeline, a nutrient solution box and a nutrient solution control valve are arranged in the control pump room, and the intelligent precision irrigation control system also comprises a plurality of distributed sub-irrigation control valves, a soil monitoring sensor and a crop monitoring sensor; the sub-irrigation control valves, the soil monitoring sensors and the crop monitoring sensors form a wireless group network through a wireless ad hoc network module, and the main control module is connected into the wireless group network through a wireless module to receive monitoring information fed back by the sensors and wirelessly control the sub-irrigation control valves according to the monitoring information. The invention selects different indexes to carry out the function of comprehensive fuzzy irrigation decision according to different crop types, adopts a distributed control pump room controlled by a bus to collect field data and automatically control irrigation water sources and electromagnetic valves, and realizes multifunctional network type automatic irrigation and management.
Description
Technical Field
The invention relates to the technical field of agriculture and forestry irrigation systems, in particular to an intelligent precision irrigation control system.
Background
The aggravation of the contradiction between supply and demand of global water resources makes the agricultural water conservation an important task for agricultural development all over the world. With the continuous deep research on agricultural water-saving theory and the gradual improvement of related technical level, the mode of combining high and new technology with the traditional technology becomes the inevitable trend of agricultural water-saving technology development, and the agricultural water-saving technology is increasingly precise and controllable, so as to meet the requirements of modern agricultural development on flexibility, accuracy, rapidness and the like of an irrigation system.
Through the acceleration of agricultural modernization and scale process, spraying, micro-irrigation and advanced ground irrigation technologies are widely popularized in high-value crops such as vegetables, flowers, fruit trees and the like, and are also widely applied to field crops. The agricultural industrial and large-scale production puts higher requirements on the control of irrigation level, not only timely and properly supplies water to meet the growth requirements of crops and ensure the high yield and high quality of agricultural products, but also improves the utilization efficiency of limited water resources through precision irrigation in the process of fertilizing and applying pesticide by combining irrigation. The agricultural scale production and the popularization of the advanced irrigation technology provide urgent requirements for implementing precise control irrigation and create conditions for implementing the technology. Therefore, under the strategic drive of resource restriction and environmental protection, the research on precise control irrigation of crops is developed, and the method has important significance for developing a water-saving agricultural technical system in China, promoting the efficient utilization of limited water resources and accelerating the large-scale production and the modernization process of agriculture in China.
The technology of precision control irrigation originated in the late 80 s of the last century and is emerging along with the development of precision agricultural technology in some developed countries. In the development process of the precision agricultural technology, agriculturists engaged in crop cultivation, sudden fertilization, pest and weed control and irrigation management notice that obvious spatial difference exists between the growth environment and the growth condition of crops, so that the idea of implementing positioning management and variable input according to needs on the crops is provided. With the development of modern irrigation technology and the wide application of 3S technology in the agricultural field, the application of the precision irrigation control technology to production practice becomes possible. At present, the models related to irrigation planning and management at home and abroad mainly have the following defects: (1) irrigation decision indexes are mostly based on certain factors in the SPAC system, such as soil moisture content as an irrigation decision basis, while some are only time control, and decision comprehensive consideration is not carried out according to multiple indexes; (2) the system has lower automation degree, needs professional personnel for operating software, has poorer real-time performance and can rarely achieve the aim of remote monitoring.
Disclosure of Invention
Aiming at the defects of the prior art, the intelligent precision irrigation control system is provided, the intelligent precision irrigation decision and control are perfected, the function of comprehensively and fuzzily making irrigation decisions by selecting different indexes according to different crop types is enhanced, a crop nutrient and salinity analysis module is added, the problem that online real-time interception and processing are difficult to realize in matched sensor data acquisition is solved, the function of remote control through the Internet is added, the universality is improved, a distributed control pump house controlled through a bus is adopted, field data are acquired, and irrigation water sources and electromagnetic valves are automatically controlled, so that multifunctional network type automatic irrigation and management are realized.
In order to achieve the purpose, the invention provides the following technical scheme:
an intelligent precise irrigation control system comprises a plurality of distributed control pump rooms connected through buses, wherein a main control module, a water pump, a main irrigation control valve, an irrigation pipeline, a nutrient solution box and a nutrient solution control valve are arranged in each control pump room; the irrigation system also comprises a plurality of sub-irrigation control valves distributed on the irrigation pipeline, soil monitoring sensors for monitoring soil moisture content and crop monitoring sensors for monitoring crop growth conditions, wherein the soil monitoring sensors are arranged corresponding to the sub-irrigation control valves; the soil monitoring sensor comprises a pH monitoring sensor and a rainfall monitoring sensor, and the crop monitoring sensor comprises a crop canopy surface temperature monitoring sensor, a crop canopy humidity monitoring sensor and a crop nutrient monitoring sensor; the sub-irrigation control valve, the pH monitoring sensor, the rainfall monitoring sensor, the crop canopy surface temperature monitoring sensor, the crop canopy humidity monitoring sensor and the crop nutrient monitoring sensor form a wireless group networking module through wireless self-networking, and the master control module is connected into the wireless group networking module through the wireless module to receive monitoring information fed back by each sensor and wirelessly control the sub-irrigation control valve according to the monitoring information.
Furthermore, the master control module controls the operation of the water pump through the variable frequency controller, so as to control the pumping pressure in the irrigation pipeline. The main control module adopts a pile mode to perform time-sharing asynchronous control on the sub-irrigation control valves so as to enable the irrigation pipelines to maintain low-pressure irrigation and save energy consumption.
The irrigation pipeline in the control pump room is provided with filtering devices at the front end of the water pump and at the rear end of the nutrient solution control valve respectively, the output end of the water pump is connected with the rear end of the filtering device through a back flush pipeline, and the filtering device of the irrigation pipeline is reversely flushed by matching the existing water pump, the back flush pipeline and the first-closing control valve, so that the irrigation pipeline is kept smooth, and the irrigation pump room is simple in structure and low in cost.
The remote control terminal is connected with the master control module, the Internet has the function of remote control, the universality and the real-time performance of the remote control terminal are improved, and the purpose of remote monitoring is realized.
Compared with the prior art, the invention has the beneficial effects that:
the invention relates to an intelligent precise irrigation control system, which is based on the diagnosis of water-demand information of crops, comprehensively considers the influence of environmental factors such as soil, weather and the like, adopts fuzzy logic and artificial neural network technology to solve the problems of complexity, fuzziness and high nonlinearity in irrigation decision, specifically sets empirical control parameters of monitoring information and irrigation quantity mapping in a master control module of a control pump room, calls corresponding irrigation quantity control parameters through monitoring information fed back by each sensor, further controls a nutrient solution control valve and each sub-irrigation control valve, overcomes the defect of poor universality of a conventional deterministic model, improves the reliability of irrigation decision, and can detect the change of crown air temperature difference of the crops in real time, continuously and comprehensively through an online monitoring system of the crown air temperature difference of the crops, thereby providing accurate and comprehensive irrigation for the crops, Fine field measured data. Compared with the current similar technology at home and abroad, the invention overcomes the defect of using soil moisture as the crop water shortage diagnosis and irrigation control index, because the proper soil moisture content range has difference due to the factors of different crops, growth stages, soil conditions and the like, under the condition of different soil moisture, the crops can present similar moisture status in vivo through the regulation action, under the same soil moisture status, if the salt content or the nutrient content and the composition are different, the moisture and the physiological status reflected on the crop plants can also have difference, therefore, if the direct object of irrigation is neglected only by considering the soil moisture status, namely the crop physiological and ecological status, the one-sidedness can exist in the crop water shortage diagnosis, therefore, the invention determines whether irrigation is needed according to the change status of the crops per se, the infrared temperature measurement method can be adopted to obtain the surface temperature change data of the canopy, the farmland evapotranspiration information can be estimated and obtained by a micrometeorological observation method (a vorticity correlation method, a ripple ratio method and the like), and when farmland soil moisture monitoring is carried out within a regional scale range, the farmland evapotranspiration and telemetering of the surface temperature index of the canopy have important significance for precision irrigation. By adopting the intelligent precision irrigation control system, the labor cost can be greatly saved, and the water-saving and yield-increasing can be realized by adopting a high-efficiency water-saving drip irrigation mode. In the aspect of economic benefit, the monitoring data of the application demonstration area show that the average irrigation quantity is reduced by 30-50% compared with the conventional irrigation, the crop yield is averagely improved by 15-18%, the utilization efficiency of irrigation water is averagely improved by 22-24%, and the crop quality is also obviously improved. In the aspect of social and ecological benefits, the method can improve the water utilization efficiency, reduce the leakage and the water abandonment amount, has very important effects on relieving the rising of low water level and lightening the salinization of soil, is favorable for the sustainable development of the environment of irrigation areas, can realize automatic proportioning fertilization during irrigation, can reduce the fertilizer loss by more than 10 percent, and has important provincial and ecological environmental benefits.
Detailed Description
The invention is further explained.
An intelligent precise irrigation control system comprises a plurality of distributed control pump rooms connected through RS-485 buses, wherein a master control module, a water pump, a master irrigation control valve, an irrigation pipeline, a nutrient solution tank and a nutrient solution control valve are arranged in each control pump room; the remote control terminal is connected with the master control module, the Internet has the function of remote control, the universality and the real-time performance of the remote control terminal are improved, and the purpose of remote monitoring is realized.
The irrigation system also comprises a plurality of sub-irrigation control valves distributed on the irrigation pipeline, soil monitoring sensors for monitoring soil moisture content and crop monitoring sensors for monitoring crop growth conditions, wherein the soil monitoring sensors are arranged corresponding to the sub-irrigation control valves; the soil monitoring sensor comprises a pH monitoring sensor and a rainfall monitoring sensor, and the crop monitoring sensor comprises a crop canopy surface temperature monitoring sensor, a crop canopy humidity monitoring sensor and a crop nutrient monitoring sensor; the sub-irrigation control valve, the pH monitoring sensor, the rainfall monitoring sensor, the crop canopy surface temperature monitoring sensor, the crop canopy humidity monitoring sensor and the crop nutrient monitoring sensor form a wireless group networking module through wireless self-networking, and the master control module is connected into the wireless group networking module through the wireless module to receive monitoring information fed back by each sensor and wirelessly control the sub-irrigation control valve according to the monitoring information.
Furthermore, the master control module controls the operation of the water pump through the variable frequency controller, so as to control the pumping pressure in the irrigation pipeline. The main control module adopts a pile mode to perform time-sharing asynchronous control on the sub-irrigation control valves so as to enable the irrigation pipelines to maintain low-pressure irrigation and save energy consumption. The irrigation pipeline in the control pump room is provided with filtering devices at the front end of the water pump and at the rear end of the nutrient solution control valve respectively, the output end of the water pump is connected with the rear end of the filtering device through a back flush pipeline, and the filtering device of the irrigation pipeline is reversely flushed by matching the existing water pump, the back flush pipeline and the first-closing control valve, so that the irrigation pipeline is kept smooth, and the irrigation pump room is simple in structure and low in cost.
The intelligent precision irrigation control system perfects intelligent precision irrigation decision and control, enhances the function of selecting different indexes to carry out comprehensive fuzzy irrigation decision according to different crop types, increases a crop nutrient and salinity analysis module, solves the problem that online real-time interception and treatment are difficult to realize in matched sensor data acquisition, increases the function of carrying out remote control through the Internet, improves the universality, adopts a distributed control pump room controlled through a bus, acquires field data and automatically controls an irrigation water source and an electromagnetic valve, and realizes multifunctional network type automatic irrigation and management.
The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present invention are included in the scope of the present invention.
Claims (3)
1. An intelligent precision irrigation control system is characterized in that:
the irrigation system comprises a plurality of distributed control pump rooms connected through a bus, wherein a main control module, a water pump, a main irrigation control valve, an irrigation pipeline, a nutrient solution box and a nutrient solution control valve are arranged in each control pump room;
the irrigation system also comprises a plurality of sub-irrigation control valves distributed on the irrigation pipeline, soil monitoring sensors for monitoring soil moisture content and crop monitoring sensors for monitoring crop growth conditions, wherein the soil monitoring sensors are arranged corresponding to the sub-irrigation control valves;
the soil monitoring sensor comprises a pH monitoring sensor and a rainfall monitoring sensor, and the crop monitoring sensor comprises a crop canopy surface temperature monitoring sensor, a crop canopy humidity monitoring sensor and a crop nutrient monitoring sensor;
the sub-irrigation control valves, the pH monitoring sensor, the rainfall monitoring sensor, the crop canopy surface temperature monitoring sensor, the crop canopy humidity monitoring sensor and the crop nutrient monitoring sensor form a wireless group network through a wireless ad hoc network module, and the master control module is connected to the wireless group network through the wireless module to receive monitoring information fed back by each sensor and wirelessly control the sub-irrigation control valves according to the monitoring information;
the main control module carries out time-sharing asynchronous control on the sub-irrigation control valves in a pile mode;
the positions of the irrigation pipeline in the control pump room, which are positioned at the front end of the water pump and at the rear end of the nutrient solution control valve, are respectively provided with a filtering device, and the output end of the water pump is also connected with the rear end of the filtering device through a back flushing pipeline; the filter device of the irrigation pipeline is reversely flushed by utilizing the cooperation of the existing water pump, the backwashing pipeline and the first-closing control valve.
2. The intelligent precision irrigation control system of claim 1, wherein: the master control module controls the operation of the water pump through the variable frequency controller, and further controls the pumping pressure in the irrigation pipeline.
3. The intelligent precision irrigation control system of claim 1, wherein: the remote control system also comprises a remote control terminal connected with the master control module.
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| CN201610632522.2A CN106212217B (en) | 2016-08-02 | 2016-08-02 | Intelligent precision irrigation control system |
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| CN201610632522.2A CN106212217B (en) | 2016-08-02 | 2016-08-02 | Intelligent precision irrigation control system |
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| CN106212217A CN106212217A (en) | 2016-12-14 |
| CN106212217B true CN106212217B (en) | 2020-07-31 |
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| CN109197099B (en) * | 2018-11-19 | 2021-08-24 | 来宾海升农业有限公司 | Fertilizer and water irrigation system and irrigation method thereof |
| CN109934400B (en) * | 2019-03-08 | 2023-05-16 | 河北工程大学 | Rain collecting, regulating and deficiency crop water demand prediction method based on improved neural network |
| CN110754330A (en) * | 2019-11-29 | 2020-02-07 | 石河子大学 | Intelligent water-saving irrigation system based on LoRa technology and based on Internet of things |
| CN112314148B (en) * | 2020-11-11 | 2024-02-02 | 石河子大学 | Liquid fertilizer precision fertilization control system |
| CN112913654B (en) * | 2021-03-19 | 2022-08-12 | 西华大学 | Intelligent irrigation system and method for fritillaria cirrhosa |
| CN113994877B (en) * | 2021-10-29 | 2022-10-18 | 贵州省通信产业服务有限公司 | Mountain orchard intelligent irrigation system based on NB-IOT |
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| US6437692B1 (en) * | 1998-06-22 | 2002-08-20 | Statsignal Systems, Inc. | System and method for monitoring and controlling remote devices |
| CN100485556C (en) * | 2007-11-27 | 2009-05-06 | 中国水利水电科学研究院 | On-line temperature differences between canopy and air irrigation decision monitoring system |
| CN102160520A (en) * | 2010-12-23 | 2011-08-24 | 南京农业大学 | Crop evapotranspiration model-based intelligent drop irrigation control system and method thereof |
| CN203502798U (en) * | 2013-09-18 | 2014-03-26 | 西北农林科技大学 | Greenhouse automatic irrigation control system based on ZigBee |
| CN103838144B (en) * | 2013-12-30 | 2016-09-21 | 广西卡西亚科技有限公司 | Caulis Sacchari sinensis precision farming drip irrigation based on Internet of Things soil analysis modeling control method |
| CN104460582B (en) * | 2014-09-29 | 2017-09-22 | 贵州省水利科学研究院 | A kind of Internet of Things intelligent irrigation fertilising control method and system based on fuzzy control |
| CN204796328U (en) * | 2015-04-24 | 2015-11-25 | 庐江尚誉电子器材有限公司 | Vegetables wisdom big -arch shelter based on thing networking |
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Effective date of registration: 20220608 Address after: 315000 No.8 Qianhu South Road, Central District, Yin County, Ningbo City, Zhejiang Province Patentee after: ZHEJIANG WANLI University Address before: 315000 8-1, Shounan Kechuang building, Yinzhou District, Ningbo City, Zhejiang Province Patentee before: ZHEJIANG HENGHE LANDSCAPE PLANNING AND DESIGN Co.,Ltd. |