The linkage between smart control valves and soil moisture sensors essentially relies on a closed-loop logic of "real-time sensing - precise decision-making - automatic execution" to address the pain points of "experience-based judgment and manual operation" in traditional irrigation/fertilizer-water management. It provides an efficient, water-saving, and intelligent solution for scenarios such as agricultural planting, landscape maintenance, and greenhouse cultivation. The following details its core competitiveness from three dimensions: principales ventajas funcionales, ventajas para el usuario, y ventajas de la adaptación al escenario.
Traditional smart valves can only realize "timed on/off" or "remote manual control". However, after linking with soil moisture sensors, the system can dynamically adjust based on the actual soil moisture, achieving "on-demand supply". The core functional advantages are reflected in the following four aspects:
Los sensores de humedad del suelo se pueden insertar directamente en la zona radicular del cultivo (por ejemplo, 20-30 cm de profundidad para cultivos de campo, 10-15 cm de profundidad para hortalizas de invernadero) para recopilar datos clave en tiempo real, como el contenido volumétrico de agua del suelo (VWC) y el potencial hídrico del suelo (con una precisión de ±1%), que luego se transmiten al controlador de válvula inteligente a través de medios inalámbricos (LoRa/NB-IoT) o cableados.
- Comparison with traditional methods: It avoids subjective errors caused by "watering based on weather" or "judging dryness/wetness by hand", especially solving the misjudgment problem of "dry surface but wet deep layer" in clay soil or "wet surface but dry deep layer" in sandy soil. This ensures that the sensing data highly matches the actual water demand of crops.
Soil moisture "threshold values" can be preset for smart valves (e.g., turning on irrigation when the soil moisture content of corn at the seedling stage is below 18%, and turning it off when it exceeds 25%). When the sensor detects that the data exceeds the threshold, the controller will automatically send instructions to the smart valve to complete the whole process of "valve opening - water supply - valve closing" without manual intervention.
- Key value: It addresses the pain points of "labor shortage and large management radius" in agricultural production (e.g., large-scale farms, orchards) and the scenario needs of "nighttime water supplement and unattended management on holidays" in landscape maintenance. This reduces labor costs while avoiding "missed irrigation and delayed irrigation".
El sistema enlazado puede ajustar con flexibilidad los valores umbral y la duración del riego en función de las normas de demanda de agua de los cultivos en distintas fases de crecimiento:
- Example: Tomato seedlings have low water demand, so the threshold is set to "15%-20%" with a single irrigation duration of 15 minutes; during the fruiting period, the water demand is high, so the threshold is adjusted to "18%-25%" with a single irrigation duration of 30 minutes.
- Comparison with timed irrigation: It avoids "watering on time regardless of soil dryness/wetness", reducing water waste (field tests show that the linked system saves 30%-50% more water than timed irrigation). At the same time, it prevents soil compaction or crop root rot.
The system not only enables "automatic execution" but also records real-time information such as soil moisture data, smart valve on/off time, and irrigation duration. It generates reports (e.g., "Soil moisture change curve of a certain plot in July" and "Weekly irrigation water consumption statistics") through the cloud platform.
- Core function: It provides data support for users to optimize irrigation strategies (e.g., adjusting thresholds in different seasons based on historical data) and meets the "precision management" needs of large-scale planting (e.g., multi-plot comparison and correlation analysis between yield and soil moisture).
From the perspective of the manufacturer’s customers (e.g., farmers, landscape companies, and greenhouse operators), the linked solution can directly bring "quantifiable" value, which is mainly reflected in three aspects:
Different application scenarios have different demands for "soil moisture - valve linkage". The linked solution can adapt to diverse scenarios by flexibly adjusting sensor types, valve parameters, and control logic, enhancing the product’s market competitiveness:
- Puntos clave de la adaptación: Seleccionar sensores de humedad del suelo resistentes a los álcalis salinos y a los daños mecánicos (por ejemplo, material de acero inoxidable tipo sonda). Las válvulas inteligentes admiten grandes caudales (por ejemplo, calibre DN50-DN100) para satisfacer las necesidades del riego de grandes superficies;
- Core value: Solve the problem of "scattered plots and long irrigation cycles" and realize "on-demand irrigation", which is especially suitable for large-scale planting bases.
- Puntos clave de la adaptación: Los sensores admiten una alta precisión (±0,5%) y pueden controlar la humedad del suelo a diferentes profundidades de la zona radicular del cultivo; Las válvulas inteligentes admiten caudales pequeños (por ejemplo, calibre DN20-DN32) para adaptarse a los métodos de riego locales, como el riego por goteo y el riego por microaspersión;
- Core value: Precisely control the humidity in the greenhouse to avoid diseases caused by high humidity. At the same time, it can be combined with the fertilizer-water integration system to realize the coordinated control of "water - fertilizer - soil moisture".
- Puntos clave de la adaptación: Los sensores admiten un bajo consumo de energía (a pilas, con una vida útil de 1-2 años). Las válvulas inteligentes permiten un control segmentado (por ejemplo, riego en distintos periodos de tiempo en la misma zona);
- Core value: Address the pain points of "large maintenance area and difficult manual inspection", especially suitable for scenarios with high requirements for landscape effects such as urban green belts and golf courses, avoiding vegetation withering or over-watering.
- Puntos clave de la adaptación: Los sensores pueden enterrarse en suelos profundos (por ejemplo, a 30-50 cm de profundidad en el caso de los frutales). Las válvulas inteligentes admiten modos duales de temporización y humedad del suelo (p. ej., dar prioridad al riego basado en la humedad del suelo durante el periodo de floración y combinarlo con riego suplementario temporizado durante el periodo de expansión del fruto);
- Core value: Meet the demand of cash crops for "large differences in water demand at different growth stages", improve yield and quality, and increase planting income.
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