CN106212217B - Intelligent precision irrigation control system - Google Patents
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- 238000003973 irrigation Methods 0.000 title claims abstract description 109
- 230000002262 irrigation Effects 0.000 title claims abstract description 89
- 238000012544 monitoring process Methods 0.000 claims abstract description 67
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 235000015097 nutrients Nutrition 0.000 claims abstract description 29
- 239000002689 soil Substances 0.000 claims abstract description 20
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 239000003621 irrigation water Substances 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 8
- 238000011161 development Methods 0.000 description 7
- 238000007726 management method Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 3
- 238000003745 diagnosis Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 230000004720 fertilization Effects 0.000 description 3
- 238000011031 large-scale manufacturing process Methods 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000011001 backwashing Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- JOJYUFGTMHSFEE-YONYXQDTSA-M Cytarabine ocfosphate Chemical compound [Na+].O[C@H]1[C@H](O)[C@@H](COP([O-])(=O)OCCCCCCCCCCCCCCCCCC)O[C@H]1N1C(=O)N=C(N)C=C1 JOJYUFGTMHSFEE-YONYXQDTSA-M 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
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- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 244000037666 field crops Species 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 230000004962 physiological condition Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 150000003839 salts Chemical group 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000013014 water-saving technology Methods 0.000 description 1
Classifications
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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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- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
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Abstract
Description
技术领域technical field
本发明涉及农林业灌溉系统技术领域，特别涉及一种智能化精量灌溉控制系统。The invention relates to the technical field of agricultural and forestry irrigation systems, in particular to an intelligent precision irrigation control system.
背景技术Background technique
全球性水资源供需矛盾的加剧使世界各地都把节约农业用水作为农业发展的重要任务。随着对农业节水理论的研究不断深入和相关技术水平的逐渐提高，利用高新技术与传统技术相结合的方式已成为农业节水技术发展的必然趋势，农业节水技术日益走向精准化和可控化，以便满足现代农业发展对灌溉系统应具有灵活、准确、快捷等特点的要求。The intensification of the contradiction between the supply and demand of global water resources has made saving agricultural water an important task for agricultural development all over the world. With the deepening of research on agricultural water-saving theory and the gradual improvement of related technical levels, the combination of high-tech and traditional technology has become an inevitable trend in the development of agricultural water-saving technology. In order to meet the requirements of modern agricultural development that the irrigation system should have the characteristics of flexibility, accuracy and speed.
我过农业现代化和规模化进程的加快，使喷、微灌和先进的地面灌溉技术不仅在蔬菜、花卉、果树等高价值作物中得到普片推广，还在大田作物中也得到广泛应用。农业的工业化和规模化生产对控制灌溉水平提出更高的要求，既要做到适时适量地供水以满足作物生长需求，保证农产品高产优质，又要在结合灌溉进行施肥、施药的过程中，通过精量灌溉提高有限水资源的利用效率。农业的规模化生产和先进灌溉技术的普片推广，即对实施精量控制灌溉提出了迫切需求，也为这一技术的实施创造了条件。因此，在资源的约束和环境保护的战略驱动下，开展作物精量控制灌溉研究，对于发展我国的节水农业技术体系，促进有限水资源的高效利用，加速我国农业的规模化生产和现代化进程，都具有重要意义。With the acceleration of agricultural modernization and large-scale process, spraying, micro-irrigation and advanced ground irrigation technology have not only been widely popularized in high-value crops such as vegetables, flowers and fruit trees, but also widely used in field crops. The industrialization and large-scale production of agriculture put forward higher requirements for controlling the level of irrigation. It is necessary to supply water in a timely and appropriate amount to meet the needs of crop growth and ensure high yield and high quality of agricultural products. In the process of fertilization and pesticide application combined with irrigation, Improve the utilization efficiency of limited water resources through precision irrigation. The large-scale production of agriculture and the popularization of advanced irrigation technology have put forward an urgent need for the implementation of precise control irrigation, and have also created conditions for the implementation of this technology. Therefore, under the constraints of resources and the strategic drive of environmental protection, to carry out research on crop precision control irrigation is important for developing my country's water-saving agricultural technology system, promoting the efficient use of limited water resources, and accelerating the large-scale production and modernization of my country's agriculture. , are of great significance.
精量控制灌溉技术源于上世纪80年代后期，是伴随一些发达国家的精准农业技术的开发而兴起的。在精准农业技术开发过程中，从事作物栽培、突然培肥、病虫草害防治及灌溉管理的农学家们注意到作物生长环境和生长状况之间存在着明显的空间差异，从而提出了对作物进行实施定位管理和按需变量投入的思路。随着现代化灌溉技术的发展和“3S”技术在农业领域的广泛应用，精量灌溉控制技术应用于生产实践成为可能。目前，在国内外有关灌溉规划与管理方面的模型主要存在以下缺点：(1)灌溉决策指标大多根据SPAC系统中的某个因素，如以土壤墒情为灌溉决策依据，而有些还仅仅只是时间控制，未依据多指标进行决策综合考虑；(2)系统自动化程度比较低，对软件的操作需要专业人员，实时性较差，很少能达到远距离监控的目的。Precision control irrigation technology originated in the late 1980s, and it emerged with the development of precision agriculture technology in some developed countries. During the development of precision agriculture technology, agronomists engaged in crop cultivation, sudden fertilization, disease, pest and weed control and irrigation management noticed obvious spatial differences between crop growth environments and growth conditions, and proposed a Implement the idea of positioning management and on-demand variable input. With the development of modern irrigation technology and the wide application of "3S" technology in the agricultural field, it is possible to apply precision irrigation control technology to production practice. At present, the models related to irrigation planning and management at home and abroad mainly have the following shortcomings: (1) Most of the irrigation decision-making indicators are based on a certain factor in the SPAC system, such as soil moisture as the basis for irrigation decision-making, while some are only based on time control. , without comprehensive consideration of decision-making based on multiple indicators; (2) The degree of automation of the system is relatively low, the operation of the software requires professionals, the real-time performance is poor, and the purpose of long-distance monitoring is rarely achieved.
发明内容SUMMARY OF THE INVENTION
针对现有技术的不足和缺陷，提供一种智能化精量灌溉控制系统，完善智能化精量灌溉决策与控制，增强其根据不同作物类型选择不同指标进行综合模糊灌溉决策的功能，增加作物养分和盐分分析模块，解决配套传感器数据采集中难以在线实时截取与处理的问题，增加通过互联网进行远程控制的功能，提高其通用性，采用通过总线控制的分布式控制泵房，对田间数据进行采集以及对灌溉水源和电磁阀的自动控制，实现多功能网络式自动灌溉与管理。Aiming at the deficiencies and defects of the existing technology, an intelligent precision irrigation control system is provided, which improves the intelligent precision irrigation decision-making and control, enhances the function of comprehensive fuzzy irrigation decision-making by selecting different indicators according to different crop types, and increases crop nutrients. And the salinity analysis module, solve the problem of difficult online real-time interception and processing in the data acquisition of supporting sensors, increase the function of remote control through the Internet, improve its versatility, and use the distributed control pump room controlled by the bus to collect field data. And automatic control of irrigation water source and solenoid valve to realize multi-functional network automatic irrigation and management.
为实现上述目的，本发明提供以下技术方案：For achieving the above object, the present invention provides the following technical solutions:
一种智能化精量灌溉控制系统，包括若干通过总线连接的分布式控制泵房，控制泵房内设有总控制模块、水泵、总灌溉控制阀、灌溉管道、营养液箱和营养液控制阀，水泵通过总灌溉控制阀与灌溉管道连接，营养液箱通过营养液控制阀与灌溉管道连接，总控制模块分别与水泵、总灌溉控制阀和营养液控制阀连接以分别控制其运作；还包括分布设置于灌溉管道上的若干分灌溉控制阀，以及与分灌溉控制阀相对应设置的用于土壤墒情监测的土壤监测传感器以及用于作物生长状况监测的作物监测传感器；所述土壤监测传感器包括pH监测传感器和雨量监测传感器，所述作物监测传感器包括作物冠层表面温度监测传感器、作物冠层湿度监测传感器和作物养分监测传感器；分灌溉控制阀、pH监测传感器、雨量监测传感器、作物冠层表面温度监测传感器、作物冠层湿度监测传感器和作物养分监测传感器通过无线自组网模块组成无线群联网，所述总控制模块通过无线模块接入该无线群联网以接收各传感器反馈的监测信息以及根据该监测信息对分灌溉控制阀进行无线控制。An intelligent precision irrigation control system, comprising a number of distributed control pump rooms connected by a bus, the control pump room is provided with 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 , the water pump is connected with the irrigation pipeline through the general irrigation control valve, the nutrient solution tank is connected with the irrigation pipeline through the nutrient solution control valve, and the general control module is respectively connected with the water pump, the general irrigation control valve and the nutrient solution control valve to control their operation respectively; also includes A number of sub-irrigation control valves distributed on the irrigation pipeline, and a soil monitoring sensor for soil moisture monitoring and a crop monitoring sensor for monitoring crop growth conditions set corresponding to the sub-irrigation control valve; The soil monitoring sensor includes pH monitoring sensor and rainfall monitoring sensor, the crop monitoring sensor includes crop canopy surface temperature monitoring sensor, crop canopy humidity monitoring sensor and crop nutrient monitoring sensor; sub-irrigation control valve, pH monitoring sensor, rainfall monitoring sensor, crop canopy monitoring sensor The surface temperature monitoring sensor, the crop canopy humidity monitoring sensor and the crop nutrient monitoring sensor form a wireless group network through the wireless ad hoc network module, and the general control module is connected to the wireless group network through the wireless module to receive the monitoring information fed back by each sensor and The sub-irrigation control valve is wirelessly controlled according to the monitoring information.
进一步的，总控制模块通过变频控制器控制水泵运作，进而控制灌溉管道内的泵送压力。总控制模块采用堆方式对所述分灌溉控制阀进行分时异步控制，以使灌溉管道保持低压灌溉，节省能耗。Further, the general control module controls the operation of the water pump through the frequency conversion controller, thereby controlling the pumping pressure in the irrigation pipeline. The general control module adopts the stack mode to perform time-sharing asynchronous control on the sub-irrigation control valves, so as to keep the irrigation pipelines at low pressure for irrigation and save energy consumption.
所述控制泵房内的灌溉管道上位于水泵前端和位于营养液控制阀后端的位置分别设有过滤装置，所述水泵的输出端还通过反冲洗管道与所述过滤装置的后端连接，利用现有水泵与反冲洗管道及先关控制阀配合对灌溉管道的过滤装置进行反向冲洗，保持灌溉管道的畅通，其结构简单，成本低。The irrigation pipes in the control pump room are respectively provided with filter devices at the front end of the water pump and the rear end of the nutrient solution control valve, and the output end of the water pump is also connected with the back end of the filter device through the backwash pipeline, using The existing water pump cooperates with the backwashing pipeline and the first-closing control valve to reversely flush the filtering device of the irrigation pipeline, so as to keep the irrigation pipeline unblocked, and the structure is simple and the cost is low.
还包括与所述总控制模块连接的远程控制终端，互联网进行远程控制的功能，提高其通用性和实时性，实现远距离监控的目的。It also includes a remote control terminal connected with the general control module, and the Internet performs remote control functions, which improves its versatility and real-time performance and realizes the purpose of long-distance monitoring.
与现有技术相比本发明的有益效果为：Compared with the prior art, the beneficial effects of the present invention are:
本发明所述的一种智能化精量灌溉控制系统，其以作物需水信息诊断为基础，综合考虑土壤和气象等环境因子的影响，采用模糊逻辑和人工神经网络技术解决灌溉决策中复杂、模糊、高度非线性问题，具体地在控制泵房的总控制模块内设置监测信息与灌溉量映射的经验控制参数，通过各传感器反馈的监测信息调取其对应的灌溉量控制参数，进而对营养液控制阀和各分灌溉控制阀进行控制，克服了常规确定性模型通用性差的缺陷，提高了灌溉决策的可靠性，其中通过在线式作物冠层气温差监测系统，可实时、连续、全方位的检测作物冠气温差的变化，为作物的精量灌溉提供准确、精细的田间实测数据。与当前国内外同类技术相比，本发明克服了用土壤水分为作物缺水诊断和灌溉控制指标的缺陷，由于适宜的土壤含水量范围因不同作物、生长阶段和土壤条件等因素而存在差异，在不同土壤水分条件下，作物自身通过调节作用，体内可呈现出相似的水分状况，而同样的土壤水分状况下，若盐分或养分含量及组成不同，反映在作物株体上的水分与生理状况也会出现差异，因此若只考虑土壤水分状况而忽视灌溉的直接对象即作物生理生态状况，则在作物缺水诊断上会存在片面性，为此，本发明根据作物自身变化状况来确定是否需要灌溉，采用红外测温法可获得冠层表面温度变化数据，通过微气象观测法(涡度相关法、波纹比法等)可估算获取农田蒸散量信息，在区域尺度范围内开展农田墒情监测时，农田蒸散量和遥测冠层表面温度指标对精量灌溉具有重要意义。采用本发明所述的智能化精量灌溉控制系统，不仅能大幅节省人力成本，而且同时采用的高效节水的滴灌方式，能够实现节水增产。在经济效益方面，通过应用示范区的监测数据表明，平均灌水量比常规灌溉减少了30-50％，作物产量平均提高了15-18％，灌溉水利用效率平均提高22-24％，作物品质也有明显改善。在社会与生态效益方面，可以提高用水效率，减少渗漏和弃水量，对缓解低下水位上升，减轻土壤盐碱化具有十分重要的作用，有利于这些灌区的环境可持续发展，本发明还可实现在灌溉的同时自动配比施肥，能够减少化肥流失10％以上，具有重要的省会与生态环境效益。The intelligent precision irrigation control system of the present invention is based on the diagnosis of crop water demand information, comprehensively considers the influence of environmental factors such as soil and meteorology, and adopts fuzzy logic and artificial neural network technology to solve the complex and difficult problems in irrigation decision-making. Fuzzy and highly nonlinear problems, specifically, the empirical control parameters of monitoring information and irrigation volume mapping are set in the general control module that controls the pump room, and the corresponding irrigation volume control parameters are retrieved through the monitoring information fed back by each sensor, and then the nutrition Hydraulic control valve and each sub-irrigation control valve are used for control, which overcomes the defect of poor generality of conventional deterministic models and improves the reliability of irrigation decision-making. It can detect the change of crop canopy temperature difference and provide accurate and precise field measurement data for precision irrigation of crops. Compared with the current similar technologies at home and abroad, the present invention overcomes the defect of using soil water as an indicator for crop water shortage diagnosis and irrigation control, because the suitable soil water content range is different due to factors such as different crops, growth stages and soil conditions, etc. Under different soil moisture conditions, crops can show similar moisture conditions in their bodies through regulation, and under the same soil moisture conditions, if the content and composition of salt or nutrients are different, the moisture and physiological conditions of the crops are reflected in the plants. There will also be differences. Therefore, if only the soil moisture status is considered and the direct object of irrigation, that is, the crop physiological and ecological status, is ignored, there will be one-sidedness in the diagnosis of crop water shortage. For this reason, the present invention determines whether irrigation is required according to the changing status of the crop itself. , the canopy surface temperature change data can be obtained by the infrared temperature measurement method, and the farmland evapotranspiration information can be estimated and obtained by the micro-meteorological observation method (vorticity correlation method, corrugation ratio method, etc.). Farmland evapotranspiration and telemetry canopy surface temperature indicators are of great significance for precision irrigation. By adopting the intelligent precise irrigation control system of the present invention, not only the labor cost can be greatly saved, but also the high-efficiency and water-saving drip irrigation method can be adopted at the same time, which can realize water saving and increase production. In terms of economic benefits, the monitoring data of the application demonstration area shows that the average irrigation amount is reduced by 30-50% compared with conventional irrigation, the crop yield is increased by 15-18% on average, the irrigation water use efficiency is increased by 22-24% on average, and the crop quality is improved by 22-24%. There is also a marked improvement. In terms of social and ecological benefits, it can improve water use efficiency, reduce leakage and waste water, play a very important role in alleviating the rise of low water levels and soil salinization, and is conducive to the sustainable development of the environment in these irrigation areas. The automatic proportioning and fertilization can be realized at the same time of irrigation, which can reduce the loss of chemical fertilizer by more than 10%, which has important provincial capital and ecological environmental benefits.
具体实施方式Detailed ways
对本发明进一步阐释。The present invention is further explained.
一种智能化精量灌溉控制系统，包括若干通过RS-485总线连接的分布式控制泵房，控制泵房内设有总控制模块、水泵、总灌溉控制阀、灌溉管道、营养液箱和营养液控制阀，水泵通过总灌溉控制阀与灌溉管道连接，营养液箱通过营养液控制阀与灌溉管道连接，总控制模块分别与水泵、总灌溉控制阀和营养液控制阀连接以分别控制其运作；还包括与所述总控制模块连接的远程控制终端，互联网进行远程控制的功能，提高其通用性和实时性，实现远距离监控的目的。An intelligent precision irrigation control system, including a number of distributed control pump rooms connected by RS-485 bus, the control pump room is provided with a master control module, a water pump, a master irrigation control valve, an irrigation pipeline, a nutrient solution tank and a nutrient solution tank. The water pump is connected to the irrigation pipeline through the general irrigation control valve, the nutrient solution tank is connected to the irrigation pipeline through the nutrient solution control valve, and the general control module is respectively connected with the water pump, the general irrigation control valve and the nutrient solution control valve to control their operation respectively. ; Also includes a remote control terminal connected with the general control module, the Internet performs remote control functions, improves its versatility and real-time performance, and realizes the purpose of long-distance monitoring.
还包括分布设置于灌溉管道上的若干分灌溉控制阀，以及与分灌溉控制阀相对应设置的用于土壤墒情监测的土壤监测传感器以及用于作物生长状况监测的作物监测传感器；所述土壤监测传感器包括pH监测传感器和雨量监测传感器，所述作物监测传感器包括作物冠层表面温度监测传感器、作物冠层湿度监测传感器和作物养分监测传感器；分灌溉控制阀、pH监测传感器、雨量监测传感器、作物冠层表面温度监测传感器、作物冠层湿度监测传感器和作物养分监测传感器通过无线自组网模块组成无线群联网，所述总控制模块通过无线模块接入该无线群联网以接收各传感器反馈的监测信息以及根据该监测信息对分灌溉控制阀进行无线控制。It also includes a number of sub-irrigation control valves distributed on the irrigation pipeline, and a soil monitoring sensor for soil moisture monitoring and a crop monitoring sensor for crop growth condition monitoring set corresponding to the sub-irrigation control valve; the soil monitoring The sensors include pH monitoring sensors and rainfall monitoring sensors, and the crop monitoring sensors include crop canopy surface temperature monitoring sensors, crop canopy humidity monitoring sensors and crop nutrient monitoring sensors; sub-irrigation control valves, pH monitoring sensors, rainfall monitoring sensors, crops The canopy surface temperature monitoring sensor, the crop canopy humidity monitoring sensor and the crop nutrient monitoring sensor form a wireless group network through the wireless ad hoc network module, and the general control module is connected to the wireless group network through the wireless module to receive monitoring feedback from each sensor information and wirelessly control the sub-irrigation control valve according to the monitoring information.
进一步的，总控制模块通过变频控制器控制水泵运作，进而控制灌溉管道内的泵送压力。总控制模块采用堆方式对所述分灌溉控制阀进行分时异步控制，以使灌溉管道保持低压灌溉，节省能耗。所述控制泵房内的灌溉管道上位于水泵前端和位于营养液控制阀后端的位置分别设有过滤装置，所述水泵的输出端还通过反冲洗管道与所述过滤装置的后端连接，利用现有水泵与反冲洗管道及先关控制阀配合对灌溉管道的过滤装置进行反向冲洗，保持灌溉管道的畅通，其结构简单，成本低。Further, the general control module controls the operation of the water pump through the frequency conversion controller, thereby controlling the pumping pressure in the irrigation pipeline. The general control module adopts the stack mode to perform time-sharing asynchronous control on the sub-irrigation control valves, so as to keep the irrigation pipelines at low pressure for irrigation and save energy consumption. The irrigation pipes in the control pump room are respectively provided with filter devices at the front end of the water pump and the rear end of the nutrient solution control valve, and the output end of the water pump is also connected with the back end of the filter device through the backwash pipeline, using The existing water pump cooperates with the backwashing pipeline and the first-closing control valve to reversely flush the filtering device of the irrigation pipeline, so as to keep the irrigation pipeline unblocked, and the structure is simple and the cost is low.
本智能化精量灌溉控制系统，完善智能化精量灌溉决策与控制，增强其根据不同作物类型选择不同指标进行综合模糊灌溉决策的功能，增加作物养分和盐分分析模块，解决配套传感器数据采集中难以在线实时截取与处理的问题，增加通过互联网进行远程控制的功能，提高其通用性，采用通过总线控制的分布式控制泵房，对田间数据进行采集以及对灌溉水源和电磁阀的自动控制，实现多功能网络式自动灌溉与管理。This intelligent precision irrigation control system improves intelligent precision irrigation decision-making and control, enhances its function of comprehensive fuzzy irrigation decision-making by selecting different indicators according to different crop types, and adds a crop nutrient and salinity analysis module to solve the problem of data collection from supporting sensors. For the problem of online real-time interception and processing, the function of remote control through the Internet is added to improve its versatility. The distributed control pump room controlled by the bus is used to collect field data and automatically control the irrigation water source and solenoid valve. Realize multi-functional network automatic irrigation and management.
以上所述仅是本发明的较佳实施方式，故凡依本发明专利申请范围所述的构造、特征及原理所做的等效变化或修饰，均包括于本发明专利申请范围内。The above descriptions are only the preferred embodiments of the present invention, so all equivalent changes or modifications made according to the structures, features and principles described in the scope of the patent application of the present invention are included in the scope of the patent application of the present invention.
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