Voronezh, Voronezh, Russian Federation
Russian Federation
UDK 631.674 Способы орошения (полив)
Irrigation is one of the main technological processes in greenhouse farming, which essentially provides qualitative and volumetric indicators of produced products. Thus, the combined irrigation technology which combines low-volume methods of drip and aerosol irrigation is widespread. We consider the combined irrigation system which includes an installation for water electro-chemical activation (ECA). Extended abilities of this system are caused by the reactivity of catholyte and anolyte, which are metastable products of water ECA. Catholyte and anolyte are used as growth stimulator and antiseptic respectively in the plant cultivation. Automation of the combined irrigation system, in addition to resource-saving, is also aimed to prevent technological modes violation due to the subjective (“human”) factor. Control algorithms for drip and aerosol irrigation with ordinary water, drip and aerosol irrigation with catholyte and aerosol irrigation with anolyte are described in the article. When the algorithm starts, the control testing is performed to detect possible failures in the irrigation system (for example, rupture of drip tubes or salting of drippers). In case of a detected issue, a diagnostic message is shown and accompanied by a sound signal. More complex technological irrigation modes associated with the use of catholyte and anolyte also include the performance monitoring of the water electrochemically activation unit. The control of the irrigation technological parameters (soil moisture, air humidity, soil pH) is carried out by retrieving the relevant sensors data and comparing the obtained values with the set ones. When the set points are reached the relevant technological links (electric pumps and electromagnetic valves) are switched off by the signal of the microcontroller. The presented algorithms are designed for developing the microcontroller control unit software for the combined irrigation system.
Greenhouses, combined irrigation system, automation, electro-chemically activated water, catholyte, anolyte, technological mode, algorithmization
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