27 results about "Soil moisture sensor" patented technology

The utility model belongs to soil measuring technical field, and disclose a kind of collapsible storage's soil moisture sensor, including storage box and the sensor body for soil moisture monitoring for being installed in the inside of storage box, the inside top of storage box is equipped with electric telescopic handle, the output end of electric telescopic handle is connected with connecting frame, and sensor body fixed plug-in is in the bottom center of connecting frame, the top of connecting frame is symmetrically connected with two support rods relative to electric telescopic handle, the top of support rod is movably sleeved with support column, and the top of support column is connected in the corresponding side of inside top of storage box, the bottom of connecting frame is connected with four connecting rods in rectangular shape distribution, the bottom of connecting rod is integrally formed with positioning sheet. By the above scheme, the problem that the existing device can ensure the stability of the monitoring process, but cannot conveniently store the sensor body for safe transportation is solved.

This utility model relates to the field of crop irrigation technology, and in particular to a deep-buried sprinkler irrigation system. The system includes a water supply network, branch sprinkler units, and a water supply control unit. Each branch sprinkler unit includes branch risers with rotating nozzles connected to their tops. Multiple branch risers are detachably and vertically connected to the water supply network. The water supply control unit includes a water pump and a water pump control box. The water pump is connected to the water supply network via pipelines. The water pump control box includes a water pump control module, which controls the pump's operation based on soil moisture signals collected by soil moisture sensors installed in the soil. This utility model allows for the removal of branch risers during crop plowing operations without affecting the plowing process, eliminating the need for frequent installation and removal, reducing equipment wear and tear, and not interfering with field operations.

This utility model relates to the field of horticultural energy conservation and environmental protection technology, and in particular to a water-saving irrigation device, including a water storage tank and a support frame. The support frame is a frame structure, with the water storage tank fixed to its upper end by a steel strap. Multiple sets of water outlet pipes are evenly distributed longitudinally at the bottom of the water storage tank. A water delivery hose is sealed to the bottom of one set of water outlet pipes. The left end of the water delivery hose is connected to a fixed water pipe via a sealed connector. An integrated irrigation ring pipe is located at the left end of the fixed water pipe. Multiple sets of water outlet pipes are evenly distributed at the bottom of the irrigation ring pipe. A control box is fixedly connected to the right end of the fixed water pipe. A sliding and adjustable positioning rod is inserted inside a sliding sleeve, and a soil moisture sensor is installed at the lower end of the positioning rod. This utility model uses a soil moisture sensor to detect the soil moisture of potted plants in real time and accurately. Combined with an irrigation system, it can automatically control irrigation according to a preset humidity threshold, achieving automatic quantitative irrigation, providing a suitable growth environment for potted plants, and reducing maintenance costs.

The utility model discloses a kind of soil humidity sensors based on conductive hydrogel, it is related to gel sensor technical field, comprising: substrate and sensor main body, the substrate is the substrate layer made of modified starch, two square metal electrode pieces are provided in sensor main body inner layer one end, the other end is provided with six pairs of ultraviolet photoetch interdigital electrode, by metal electrode piece and interdigital electrode jointly constitute the conductive layer of sensor, the response layer made of conductive hydrogel is provided in sensor main body outer layer, substrate layer, conductive layer and response layer jointly composed of the soil humidity sensor of this utility model. The utility model uses a kind of conductive, sensitivity high and degradable polymer hydrogel as the response material of soil humidity sensor, solves the problem that traditional capacitive soil humidity sensor is seriously polluted and low sensitivity is easily led to irrigation water too much or too little and causes water resource waste.

A soil moisture sensor acquires an amount of moisture contained in soil. The soil moisture sensor has a thermoelectric element disposed in the soil and capable of changing a temperature of the soil, a first temperature information acquisition section that acquires first temperature information indicating a change over time in the temperature of the soil caused by an operation of the thermoelectric element, a second temperature information acquisition section that acquires second temperature information indicating a change over time in the temperature of the soil caused by the operation of the thermoelectric element, and an arithmetic section that acquires moisture information based on the temperature information. The arithmetic device has a slope information acquisition section that acquires a temperature change amount per unit time using the first temperature information and the second temperature information, and a conversion section that converts the temperature change amount to the moisture amount using conversion information indicating a relationship between the temperature change amount and the moisture amount.

The application discloses a high-precision soil salt content measuring device, which comprises a shell, a suction filter pipe horizontally arranged on the inner side of the shell, a fixing piece vertically arranged on the inner wall of the shell, one end of the suction filter pipe penetrating the fixing piece and the surface of the shell in sequence, a fixing block arranged at the other end of the suction filter pipe, a guide rod movably arranged in the shell in the vertical direction, the fixing block and the guide rod being connected through a connecting rod, the suction filter pipe being in communication with a negative pressure pipe, an electric conductivity measuring electrode arranged in the suction filter pipe, a water content sensor connected to the upper side of the suction filter pipe, and the water content sensor and the electric conductivity measuring electrode being electrically connected with a controller. The soil extract is extracted by the device in a time-division and layer-by-layer mode, the electric conductivity of the extract is measured by a salt content probe, the measuring precision of the solution electric conductivity is relatively high, and the performance is relatively good; meanwhile, the soil water content sensor is arranged to convert the soil salt content, and the measuring precision is relatively high.

This invention relates to the field of agricultural irrigation technology and discloses an intelligent irrigation control method for integrated water and fertilizer management in maize and wheat. The method involves deploying multi-depth soil moisture sensors and an array of soil moisture sensors at the same depth along the slope in the root zone of the field. The total daily irrigation demand is decomposed into multiple short-term pulse irrigation units, and integrated water and fertilizer management is carried out by alternating short-term pulse irrigation and pause phases. During the pause phase, the vertical redistribution balance and lateral redistribution balance are calculated based on the collected soil volumetric moisture content data, and a joint judgment is made. The irrigation parameters for the next short-term pulse irrigation unit are adjusted according to the judgment results. After the irrigation is completed for the day, the redistribution balance and parameter adjustment results are recorded. This invention calculates the vertical redistribution balance based on the change in volumetric moisture content of the middle and deep soil layers during the pause phase, thereby effectively preventing excessive leakage of irrigation water into deeper layers.

The utility model discloses a water -saving management and control device based on data acquisition, including water storage tank and water outlet pipe, be equipped with soil moisture sensor on the water storage tank, the water storage tank front side is equipped with control panel, be equipped with water control component on the water outlet pipe, be equipped with cleaning part in the water storage tank, water control component includes with the first pivot of water outlet pipe link, with the first pivot outside fixed connection's adjusting plate and with the first pivot outside fixed connection's from gear, the utility model discloses a water storage tank, water outlet pipe, soil moisture sensor, control panel and water control component are set up, have solved the current crop when irrigating, can carry out the extraction to water resource, then discharge and irrigate, but when irrigating, it is inconvenient according to the humidity of soil control irrigation's flow, is easy to lead to water resource and appear the waste condition, is easy to appear because irrigating more water resource leads to the crop and appears the condition of yield reduction, thereby lead to the problem of practicality reduction.

This invention relates to the field of smart home devices and environmental sensing technology, specifically a weather display system for sensing environment and phenology, and its e-ink screen. The system includes a sensing layer, a transmission layer, a processing layer, and a display layer. These layers are linked through a standardized communication protocol, forming a closed-loop link of "data acquisition-transmission-processing-presentation." The sensing layer includes a soil moisture sensor and an air temperature and humidity sensor, used to collect soil moisture, air temperature, and humidity data. It is connected to the transmission layer via a wired connection, and the transmission layer uses an ESP32 series microcontroller. This invention overcomes the disconnect between existing devices that are "purely data-driven" or "purely decorative." It retains core practical data such as temperature, humidity, and soil moisture to meet users' needs for environmental monitoring and plant maintenance, while transforming cold data into an artistic presentation through the aesthetic appeal of ink painting. This gives the product both functional and aesthetic value, allowing it to be used as home decoration and cultural ornaments, enhancing the quality of life.

The application discloses a kind of multifunctional compound planting system evapotranspiration process dynamic monitoring device and method, lysimeter measuring cylinder is arranged in the upper portion of lysimeter filter layer, soil evaporation barrel and intercropping crop lysimeter barrel are buried in the soil of lysimeter measuring cylinder top portion, soil moisture sensor is connected to the outer wall of one side of lysimeter measuring cylinder, automatic water supply device is connected to the bottom of the outer wall of the other side, with automatic water supply device is located in the same side, groundwater supply device and water level gauge are equipped in the bottom of lysimeter filter layer, the other side is equipped with drain pipe, drain pipe is connected with leakage device, lysimeter filter layer bottom is connected with weighing sensor, drip irrigation belt is arranged in crop row;Based on lysimeter weight, soil moisture, irrigation data, automatic water supply data, groundwater recharge data, drainage data, leakage data and meteorological data, the change of soil storage water quantity is calculated.The application can accurately characterize the evapotranspiration process of compound system.

This invention provides a soil planting structure monitoring and management device. The device includes: a storage box; a fixed frame fixed to one side of the storage box; an adjustable frame slidably mounted on the fixed frame; a soil moisture sensor mounted on the adjustable frame for detecting the soil planting structure status; and an electric telescopic rod fixed on the fixed frame for adjusting the height of the soil moisture sensor. The output rod of the electric telescopic rod is connected to the adjustable frame via a coupling. This invention provides a soil planting structure monitoring and management device that can flexibly adjust the height of the soil moisture sensor to meet diverse monitoring needs. Furthermore, the cleaning plate can clean the sensor, reducing the risk of corrosion and extending its service life.

This invention discloses a sprinkler irrigation control method based on communication link attenuation inversion, belonging to the fields of agricultural automatic sprinkler irrigation technology and wireless communication engineering technology. The method includes: deploying multiple fixed communication nodes in farmland to form a mesh link; each node sequentially sending ranging signals and recording the actual received power of each link; calculating the theoretical power using a free-space loss model to obtain the additional attenuation; discretizing the farmland into a three-dimensional voxel grid and establishing a system of linear equations relating the attenuation to the voxel attenuation coefficient; solving the equations using an algebraic iterative reconstruction algorithm to obtain the soil moisture distribution matrix within the farmland; identifying regions based on the moisture distribution and generating differentiated sprinkler irrigation commands; and controlling the electromagnetic valves of each zone via a wireless network to perform variable-volume sprinkler irrigation. This invention eliminates the need for buried soil moisture sensors, utilizes communication link tomography technology to obtain a true three-dimensional moisture field, is unaffected by weather, achieves precise closed-loop sprinkler irrigation, and significantly improves water-saving efficiency and crop uniformity.

This invention relates to a method for judging soil moisture and precise irrigation in tobacco fields in the Pu'er tobacco region and its application. The method includes: (1) combining tobacco plant morphological diagnosis with soil moisture quantitative monitoring to judge the soil moisture status in the tobacco field; (2) classifying the degree of water shortage according to the soil moisture status in the tobacco field and the growth and development stage of the tobacco plants, and performing precise irrigation on the tobacco plants; in step (1), the morphological diagnosis is based on the dynamic recovery of wilting tobacco leaves and the tactile sensation of the leaves, and the soil moisture quantitative monitoring method is: setting up soil moisture sensors according to the root distribution depth and tobacco plant planting density at different growth stages. This invention combines tobacco plant morphological diagnosis with soil moisture quantitative monitoring, establishes collaborative decision-making rules, realizes the organic integration of morphological indicators and sensor data, and overcomes the defects of strong subjectivity or obvious lag in single judgment methods.

This invention relates to an all-weather permafrost environment monitoring device and its construction method, specifically a permafrost environment measurement device and its on-site construction method. It aims to overcome the problems of existing permafrost environment monitoring devices, such as limited functionality, low integration, inconvenient deployment, and inaccurate positioning. The invention utilizes a soil temperature sensor to acquire soil temperature, a soil moisture sensor to acquire soil water content, and a snow depth sensor to acquire the snow cover depth on the soil surface. A data acquisition module is connected to the snow depth sensor, soil temperature sensor, and soil moisture sensor respectively. The sensor data is sequentially filtered, amplified, and converted from digital to analog to generate digital signals. The main controller module processes the digital signals to obtain the snow cover depth, soil temperature, and soil water content. The beneficial effects include effectively avoiding mutual interference between the two types of sensors, ensuring the accuracy of data for each monitoring element, and significantly improving overall measurement accuracy.

This invention provides a method for optimizing the layout of large-scale soil moisture sensors, comprising: cropping and extracting acquired remote sensing image data according to the boundary of the irrigation area to be monitored and preset typical time periods to obtain multi-year soil moisture time-series data; constructing a probabilistic semi-variogram model of the time-series data based on resampling and median aggregation methods; generating a regular grid of points covering the irrigation area to be monitored as a candidate point set; randomly selecting N candidate points to form an initial sensor layout scheme; constructing an objective function based on the probabilistic semi-variogram model; and obtaining an optimized sensor layout scheme based on a random exchange location optimization method. Furthermore, this invention also includes determining the optimal number of sensors based on the prediction uncertainty-sensor number response curve analysis. This invention ensures global search capability while keeping computational complexity within an acceptable range, and the designed sensor layout scheme is more fundamental and has long-term applicability.

This utility model discloses a water-saving irrigation device for rice cultivation, which includes a main water pipe (1), a pressurized water pump (2), multiple branch water pipes (3), and a controller (4). Each branch water pipe (3) has a water outlet pipe (5) installed at its end, which is vertically positioned in the rice field. Each water outlet pipe (5) has three water injection nozzles installed on it. Each water injection nozzle has a solenoid valve (6) installed on it. Above each water injection nozzle, there is an arc-shaped baffle (7) fixed on the water outlet pipe (5). Each baffle (7) has a soil moisture sensor (8) installed on its top surface. Each solenoid valve (6) and soil moisture sensor (8) is electrically connected to the controller (4). This utility model not only improves water utilization efficiency but also has the advantages of good irrigation effect, good water-saving effect, convenient use, long service life, convenient maintenance, high irrigation rate, simple structure, and high structural stability.

This invention belongs to the field of agricultural testing equipment, specifically relating to a low-power soil moisture monitoring system and its monitoring station. It is used to acquire the elemental content of nitrogen, phosphorus, and potassium in the soil at different sampling points within a testing area, as well as soil temperature, humidity, and pH value, according to a preset sampling frequency. The soil moisture monitoring system includes: multiple soil moisture monitoring stations, a wireless gateway, and a smart agriculture cloud platform. After each full data acquisition cycle, the smart agriculture cloud platform calculates the soil moisture change rate (ROCM) based on historical monitoring data. Then, it uses the ROCM to look up a preset ROCM-dormant time lookup table, generates the dormant time for the soil moisture sensors in the next sampling cycle, and distributes the updated dormant time to each soil moisture monitoring station. This achieves the goal of extending the dormant time of the soil moisture monitoring stations to reduce power consumption when soil moisture is stable. This invention solves the problems of high power consumption and poor stability in existing soil moisture monitoring stations.

We provide a street lighting structure based on environmental design that effectively utilizes rainwater resources and integrates lighting and greening / irrigation functions. [Solution] The street light structure includes a lamppost 10 and a water collection unit 20. The lamppost 10 has a hollow structure with a water storage chamber formed inside along the axial direction. A controller 102 is installed on the outside of the lamppost and is electrically connected to a soil moisture sensor. The water collection unit 20 is installed on the lamppost 10 and includes a water collection cover and a control module. The hollow lamppost 10 forms a water storage chamber, and by combining it with the water collection cover, filtration module 23 and control module, rainwater collection, filtration and intelligent irrigation are achieved, reducing the waste of freshwater resources and lowering the cost of maintaining urban green spaces.

This utility model relates to the field of greenhouse technology, specifically to an intelligent greenhouse for fruit cultivation. The utility model includes a greenhouse frame, with a temperature sensor and a soil moisture sensor inserted into the ground installed on one side of the frame. A water spray pipe connected to an external water source is installed on one side of the frame. A nozzle is fixedly connected to the arc surface of the water spray pipe. An anti-clogging component is provided on the inner wall of the nozzle. The anti-clogging component includes a movable plate slidably connected to the inner wall of the nozzle. A water passage hole is opened at the upper end of the movable plate, and a needle is fixedly connected to the lower end of the movable plate. A mounting bracket is fixedly connected to the inner wall of the water spray pipe. By setting up the anti-clogging component, when it is necessary to prevent the nozzle from clogging, a pushing mechanism causes the movable plate to move up and down continuously, causing the needle to repeatedly insert into the nozzle orifice, thus removing impurities from the nozzle orifice and minimizing the risk of clogging.

This utility model discloses a high-efficiency water-saving irrigation device suitable for irrigating garden plants, belonging to the field of garden plant irrigation technology. It includes a water collection trough, a rainwater pump, a pressure storage tank, a vertical pipe, a universal sprinkler head, and a water collection component. The water collection component adopts a three-stage conical water collection structure, achieving efficient collection and purification of rainwater through external seepage holes, a filter sand layer, and internal seepage holes, before flowing into the water collection trough via a second pipe. A soil moisture sensor monitors the soil moisture around the vertical pipe in real time and controls the opening of the nearest flow regulating valve through an electrical connection. Combined with the angle adjustment function of the universal sprinkler head, precise irrigation is achieved. The rainwater pump pressurizes the water in the water collection trough and delivers it to the sprinkler head through the first pipe. The pressure storage tank stabilizes the water pressure, ensuring uniform irrigation. This application significantly improves water resource utilization through rainwater collection, intelligent control, and recycling, saving more water than traditional irrigation methods. It is suitable for various garden scenarios and has advantages such as high efficiency, energy saving, and convenient maintenance.

This invention discloses a smart garden maintenance system with visual early warning and one-click repair functions, comprising: a sensor group including a soil temperature sensor and a soil moisture sensor; wherein the probe end of the sensor is inserted into the soil, and the other end is connected to a smart electrical box; a sprinkler device and a lighting device are respectively connected to the smart electrical box; the smart electrical box is used to receive soil temperature and humidity data; when the soil temperature and humidity data are within a preset range, the lighting device is kept on; otherwise, the lighting device flashes to provide a visual alarm; a maintenance web terminal is used to interact with the smart electrical box and display the soil temperature and humidity data; the maintenance web terminal has a "one-click repair" button, which, when triggered, forces the sprinkler device to start irrigation. This invention uses the smart electrical box to link the sensors and lights, visually displaying the soil status through constant or flashing lights, and supports one-click forced irrigation via the web terminal until the data is restored.

The utility model relates to water stress monitoring technical field. The utility model discloses a kind of crop water stress monitoring devices, including protective shell, and overturn cover plate rotationally connected in the outer side of protective shell, the inside fixed connection of protective shell has guide rod, the outer wall sliding connection of guide rod has installation shell, the both sides fixed connection of installation shell have tension spring, the inside of installation shell is clamped with soil moisture sensor, the bottom fixed connection of soil moisture sensor has detection probe, the device is by setting limiting component, ensure that detection probe can stably be in the appropriate depth of soil, for accurately detecting soil moisture provides stable physical condition, by setting open-close component prevents detection probe from being damaged by external physical, simultaneously still can avoid dust, sundries etc. Adhere on detection probe, prevent moisture erosion, to ensure the performance stability of detection probe, prolong its service life.

This invention proposes a collaborative control method, device, equipment, and storage medium based on a seedling greenhouse. The method includes: acquiring multiple soil moisture values ​​from all soil moisture sensors; generating an irrigation command when at least one soil moisture value is greater than a first preset humidity threshold; sending the irrigation command to a fertigation system; controlling the fertigation system to perform irrigation operations on water-deficient cultivation ridges based on light values ​​acquired from a light intensity sensor; activating an external shading system when the light intensity value is greater than a preset light intensity threshold; acquiring air temperature and air humidity values ​​from an air temperature and humidity sensor at preset shading intervals; controlling a ventilation system to activate when the air humidity value is greater than or equal to a second preset humidity threshold, or controlling a cooling system to activate when the air humidity value is less than the second preset humidity threshold and the air temperature value is greater than a preset temperature threshold. According to the technical solution of this invention, the seedling efficiency and survival rate of crops cultivated in a seedling greenhouse can be improved.

A protective case for an agricultural soil moisture meter is provided having a sensor and cable management system. The sensor and cable management system may proficiently store a soil moisture sensor and cable while also providing quick access to the same. The case also includes an integrated rod that enables a user to prop the moisture meter at a desired angle relative to the ground.

This utility model relates to the field of landslide monitoring and early warning technology, and discloses a multi-layer sliding surface landslide monitoring and early warning device. The device includes a base with a through-hole at the center of the top of the base, a bracket installed on the top, and a fixed column fixedly connected to the top of the bracket. A multi-layer sliding monitoring mechanism is provided on the surface of the base and the bracket. An automatic tracking power supply mechanism is provided on the top of the fixed column, and an audible and visual alarm mechanism is provided on the surface. The monitoring mechanism drives the drill rod to drill into the soil through a hydraulic cylinder. It uses fiber optic displacement sensors, acceleration sensors, and soil moisture sensors to monitor the landslide status from multiple dimensions. A honeycomb permeable protective cover and other structures ensure the stable operation of the sensors. The automatic tracking power supply mechanism adjusts the orientation of the solar panel through a photosensitive sensor and a servo control motor to improve charging efficiency. The audible and visual alarm mechanism emits audible and visual signals when the monitoring data reaches the early warning threshold. This device can realize real-time monitoring of multi-layer sliding surfaces, has a long-lasting power supply, and provides timely early warning, making it suitable for field landslide monitoring.

The application relates to the technical field of soil humidity detection equipment, in particular to a soil humidity sensor integrated device, which comprises a control module, a base is fixedly installed on one side of the control module, and a sensor assembly is arranged on one side of the base. The sensor assembly comprises a humidity detector, which can accurately detect soil humidity, provides accurate data support for agricultural production, scientific research and the like, facilitates people to understand the moisture condition of soil, and facilitates people to take appropriate irrigation measures and the like. Multiple components such as the humidity detector are integrated together to form a complete detection system, the detection efficiency and reliability can be effectively improved, and compatibility problems and the like caused by multiple independent components are avoided. The device is composed of a first telescopic assembly, a second telescopic assembly and a third telescopic assembly, can be telescopic adjusted according to different soil depth requirements, can adapt to various soil environments and detection scenes, and the universality and flexibility of the device are improved.