9 results about "Plant sap" patented technology

A portable apparatus for processing liquids, particularly tree sap, is disclosed. The concentrator utilizes reverse osmosis (RO) to separate water from dissolved solids and contaminants in the tree sap, thereby increasing the concentration of the tree sap and reducing subsequent processing time. The portable apparatus includes a compact, portable case (e.g., less than 20 inches in any dimension or under 1400 cubic inches interior volume) with a removable support plate for easy access, cleaning, and component replacement. An ultrafiltration (UF) assembly is strategically placed to manage pressure and further remove organic materials, bacteria, and viruses, thereby improving concentrated sap storability. The system can incorporate a heating device to increase sap temperature, significantly improving throughput in cold conditions. The apparatus and associated methods provide an efficient and user-friendly solution for small-scale sap concentration, reducing boiling time and improving product quality.

A regenerative plant sensor and method for in situ monitoring of analytes in plant sap are disclosed. The sensor includes a substrate embedded with one or more shape memory alloy (SMA) wires, a sensor layer, a microfluidic system in communication with a fluid chamber and the sensor layer, one or more pumps in communication with the microfluidic system, a microcontroller in electrical communication with the sensor layer, the one or more pumps, and one or more SMA wires, wherein one or more SMA wires form a fluid gate in the flexible substrate, and wherein the fluid chamber is filled with a regeneration solution. Data are processed by an integrated data acquisition system, facilitating real-time data access for monitoring plant analytes. Also disclosed are methods for positioning the sensor on plants, regulating sap flow into the sensor, measuring analyte concentrations, and regenerating the sensor layer for subsequent measurement cycles.

The invention discloses a plant juice collecting device which comprises a carrying platform, a picking mechanical arm, a juice collecting mechanical arm, a storage device, a depth camera and a controller. The carrying platform comprises a carrying plate and a moving mechanism; the picking mechanical arm and the juice collecting mechanical arm are installed on the carrying plate in parallel. The picking mechanical arm is used for picking fruits; the juice collecting mechanical arm is used for collecting juice flowing out after the fruits are picked off; the storage device is fixed to the rear end of the carrying plate and used for storing picked fruits and / or collected juice. The controller is in communication connection with the picking mechanical arm, the juice collecting mechanical arm, the moving mechanism, the storage device and the depth camera and used for cooperative scheduling. According to the device, synchronous automatic collection of plant juice and fruits is achieved, and compared with a traditional manual collection mode, the collection efficiency and quality are remarkably improved.

The application provides a plant liquid flow velocity measurement method, system, computer device and medium, and belongs to the field of liquid flow velocity detection in plant physiology. The method comprises the following steps: collecting upstream and downstream discrete sequences of target plant branch sap flow to construct a cross-correlation function; calculating a sampling point interval by using an initial window, substituting all sampling points into the cross-correlation function to calculate cross-correlation values, and counting a maximum value and a mean value; determining a transit time based on the sampling point corresponding to the maximum value, and adaptively adjusting the window size according to the standard deviation of the transit time and the maximum peak value and the mean value of the cross-correlation values until the stability and correlation constraint conditions are met; the method realizes adaptive adjustment of the window length, effectively solves the measurement problem caused by long signal delay time of plant liquid flow velocity, significantly improves the reliability and efficiency of plant liquid flow velocity measurement, and provides an effective technical means for plant physiological and ecological research.

The application relates to a tea seedling grafting technical field, in particular to a cutting device for tea seedling grafting, which comprises a base, supporting plates are fixedly connected to the two sides of the base, notches are arranged on the supporting plates in a penetrating mode, sliding blocks are slidingly matched in the notches, a bottom plate is fixedly connected to the sliding blocks in an inclined mode, a connecting shaft is rotatably arranged in the middle of the bottom plate, a blade is fixedly connected to the connecting shaft, and a driving structure is arranged at the bottom of the bottom plate and used for driving the blade to periodically deflect. The device is used in cooperation with a rack, a gear and a one-way bearing, a cleaning pad is arranged on the path of the blade, the blade is forced to rub against the cleaning pad during the turning and switching process, plant tissues, sap or bacteria residues adhered to the blade can be scraped in time, pollutants can be prevented from being brought into the next notch, and the risk of the grafting survival rate reduction caused by the notch infection of the tea seedling can be greatly reduced.

The invention discloses a plant day and night liquid flow change point measurement method based on a piecewise linear model. The method comprises the following steps: collecting continuous time sequence data of each environment variable and plant liquid flow as original time sequence data, and preprocessing the original time sequence data to construct an initial data set; performing Pearson correlation test on the initial data set to obtain a correlation result of each environment variable and the plant liquid flow data, screening out a plurality of environment variables according to the correlation result, and further constructing a training sample data set; and performing change point detection on the training data set by adopting a maximum likelihood method to construct a change point-containing likelihood function, and solving the change point-containing likelihood function to obtain a plant day and night liquid flow change point. According to the method, the limitation that a traditional method depends on fixed time or a single factor is overcome, the definition precision of the day and night liquid flow change point is remarkably improved, and a standardized method is provided for plant physiological research in different scenes.

A replaceable storage module for delivering chemical payloads into the vascular system of a living tree through a tree-interfacing device is disclosed. The module includes a housing with an internal reservoir for storing chemical formulations, at least one outlet port connected to the reservoir, a sealing interface for releasable coupling with the tree-interfacing device, and a flow-regulating interface that controls the release of chemicals into the tree's vascular system. The device is suitable for trees, woody plants, and agricultural crops, and is adaptable to differences in sap flow, plant tissue characteristics, and environmental conditions. Chemical payloads can be selected based on sap analysis, soil conditions, and species-specific nutrient requirements to enhance nutrient efficiency and minimize chemical waste. The modular design allows multiple replaceable storage modules to be integrated with the system, enabling scalable deployment, seasonal treatment cycles, and reduced manual intervention in plant health management.

A system for determining plant stress includes at least one sap flow sensor obtaining sap flow measurements from at least one plant, a meteorological data source providing evapotranspiration data, and a processor that analyzes correlations between the sap flow measurements and evapotranspiration data, generates a stress indicator based on the correlations, and determines a stress condition of the plant based on the stress indicator. A corresponding method comprises obtaining sap flow measurements, receiving evapotranspiration data, analyzing correlations, generating a stress indicator, and determining a stress condition.

The invention relates to the technical field of monitoring devices, and provides a low-power-consumption wireless transmission plant stem flow monitoring device which comprises a shell, an electric feeding assembly and a main control board are arranged in the shell, a monitoring system is integrated on the main control board, a mounting bracket is slidably arranged in the shell and is in transmission connection with the electric feeding assembly, and a wireless transmission module is arranged in the mounting bracket. Two excitation motors are fixedly mounted on the mounting bracket, the probe array is fixedly mounted on the mounting bracket, the probe array comprises at least three functional probes, the vibration directions of the excitation motors are parallel to the axes of the functional probes, and the external environment detection module is fixedly mounted on the end surface of the shell. By arranging the slidable mounting bracket, the electric feeding assembly and the probe array, the radial and axial multi-point and multi-dimensional dynamic monitoring of the plant stem is realized, and the technical problems that the monitoring position cannot be flexibly adjusted and the coverage range is limited in the traditional fixed probe layout are solved.