178 results about "Moisture measurement" patented technology

The embodiment of the invention provides a soil nutrient spectrum detection and regulation method and system, and belongs to the technical field of soil nutrient spectrum detection and regulation. The method comprises the following steps: collecting soil multispectral original data and environmental data, generating a calibration matrix and a nonlinear correction parameter, executing optical reflectivity conversion, and synchronously fusing a time domain reflectometry dielectric constant and a spectral moisture index to obtain fused moisture content; selecting a nutrient diagnosis characteristic wave band pair to obtain a moisture inhibition type spectral index; and predicting the soil nutrient content by using a pre-trained transfer learning model to obtain a soil nutrient content prediction value, and performing fertilization regulation and control based on the fertilization decision risk coefficient. According to the invention, extreme soil moisture measurement deviation is solved through a soil type adaptive moisture fusion technology; through multi-source risk quantitative decision and PID self-adaptive regulation and control, the fertilization amount can be dynamically optimized, execution safety is guaranteed, and a detection-decision-execution precision agriculture closed loop is formed.

A piled granular material management robot comprises an auger-based drive system, a memory, a moisture sensor, and a processor coupled with the memory and with the moisture sensor. The processor is configured to control movement of the robot via augers of the auger-based drive system. The processor is also configured to direct a traversal, by the robot, of a portion of a surface of piled granular material in a bulk store. The processor is also configured to capture, via the moisture sensor, a moisture measurement of the portion of the piled granular material during the traversal of the portion of the piled granular material by the robot.

The invention discloses a moisture flow measuring method based on vortex street frequency-disturbance wave frequency dual-mode detection, an adopted measuring device comprises an annular electrode pair, a pressure sensor, a temperature sensor and a vortex street flowmeter, and the annular electrode pair is used for obtaining a liquid film thickness sequence; the pressure sensor is used for collecting working condition pressure, the temperature sensor is used for collecting working condition temperature, and the vortex shedding flowmeter is used for collecting vortex shedding signals; the measurement method comprises the following steps: (1) establishing a moisture measurement model; (2) a Newton iteration format with the actual value of the gas phase flow in the moisture as a parameter is obtained; and (3) iteratively solving the gas volume flow.

The invention discloses rotating wheel drying and dehumidifying equipment with a moisture content monitoring function, the dehumidifying equipment comprises a bottom frame, a drying material barrel, a humidity tester, a box body and an air path assembly, the bottom frame is fixedly connected with the drying material barrel and the box body, the drying material barrel is fixedly connected with the humidity tester, the humidity tester is arranged at the bottom of the drying material barrel, and the box body is fixedly connected with the drying material barrel. The box body is fixedly connected with the gas path assembly, the gas path assembly comprises a drying gas path, the drying gas path comprises a return air filter and a drying electric heater, and the return air filter and the drying electric heater are both connected with the drying material barrel through pipelines; the invention relates to the technical field of drying and dehumidifying equipment, which can ensure continuous dehumidification, uninterruptedly and continuously output dry air, treat large-air-volume and high-humidity air, expand the range of a moisture absorption area, prolong the adsorption time, improve the single-time adsorption effect and ensure that the situation of dehumidification leakage is avoided. The moisture of the dried material is measured through infrared rays, and pollution and damage caused by contact measurement are avoided.

The invention belongs to the technical field of agriculture, particularly relates to a cranberry water demand dynamic sensing system and a method thereof, and aims to solve the problems that an existing traditional irrigation method is often based on a fixed time table or simple soil humidity measurement, the actual water demand condition of cranberries cannot be timely and accurately reflected, and insufficient irrigation or excessive irrigation is easily caused. In order to solve the problems that in the prior art, water resources are wasted, and the growth and yield of cranberries are possibly influenced, the invention provides the following scheme: the system comprises a monitoring module, a control module and a display module, wherein the monitoring module comprises stem flow rate, leaf water potential, soil water content at different depths and positions, air temperature and humidity, illumination intensity and wind speed data; according to the cranberry water demand monitoring system, accurate monitoring, real-time evaluation and scientific prediction of the cranberry water demand condition can be achieved, then a reasonable irrigation decision and environment regulation and control are guided, and the irrigation efficiency and the water resource utilization efficiency are improved.

Apparatus for real time water content and water cement monitoring on a ready-mix concrete truck includes at least one real time moisture measurement module or sensor configured tosense continuous real time moisture measurements of a batch of wet cement loaded into a rotating drum of a ready-mix concrete truck; andprovide signaling containing information about the continuous real time moisture measurements sensed.The apparatus may include either a hatch door of the rotating drum of the ready-mix concrete truck, or the rotating drum of the ready-mix concrete truck, or the ready-mix concrete truck itself.

The invention discloses a full-automatic crushing and detecting all-in-one machine for grain particle materials, which relates to the technical field of detection and comprises a constant volume module, a rice huller module, a microwave heating and moisture measuring module and the like. The constant volume module is used for transferring raw grains sampled at the upper stage, carrying out constant volume treatment through a container with a fixed volume and discarding redundant raw grains, and the rice huller module is used for carrying out hulling treatment on the raw grains, carrying the hulled raw grains and then transferring the unhulled raw grains to the microwave heating and moisture measuring module through the manipulator module; all modules from raw grain feeding to result detection are integrated; and the mechanical arm is used for transition, so that full-automatic operation from raw grain receiving to result output is successfully realized. Materials at different positions in the crushing box can be crushed through the crushing module, so that the contact area is larger during extraction of mycotoxins and heavy metals in the grains, and corresponding food safety index detection is more accurate during detection.

Systems and methods for measuring soil moisture are provided. The system may include a neutron sensor configured to be disposed at a sampling location and including one or more neutron detectors configured to detect fast neutrons and thermal neutrons at the sampling location, and a computing device including at least one data processor and a memory storing instructions, the instructions are configured to cause the processor to perform operations including receiving a first electrical signal characterizing a fast neutron count at a sampling location and a second electrical signal characterizing a thermal neutron count at the sampling location from the neutron sensor, determining a ratio of fast neutrons to thermal neutrons present at the sampling location, a soil moisture measurement is determined based on the ratio, and the soil moisture measurement is provided.

An illustrative example of a planting machine includes a processing system, a moisture measurement device in communication with the processing system, a seed delivery system in communication with the processing system, and a water dispersion system in communication with the processing system. The processing system is configured to, receive one or more soil moisture measurement signals from the moisture measurement device, determine one or more water dispersion parameters based at least in part on a soil moisture measurement signal from the moisture measurement device, and transmit a control signal to one or more of the seed delivery system and the water dispersion system to disburse a desired amount of water with a commodity based at least in part on the determined water dispersion parameters.

A kiln moisture measurement system is provided for measuring the moisture content of a charge of timber in a timber drying kiln, and comprises first and second electrically conductive elements spaced apart in the kiln on respective mounts, with the charge of timber between the electrically conductive elements. The first and second electrically conductive elements are connected to an electronic controller such that electric charge can be transmitted between the first and / or second electrically conductive element and the electronic controller. The electrically conductive elements are each resiliently movable against respective contact portions of the charge of timber when the charge of timber is adjacent the first electrically conductive element and the second electrically conductive element. The electronic controller is subsequently configured to measure one or more dielectric properties of a portion of the timber between the electrically conductive elements to determine a moisture level of the charge of timber.

The utility model discloses a coal moisture detection device, which belongs to the technical field of detection equipment, and comprises a box body, the top of the box body is provided with a through-type feed hopper convenient for connection, the inner top wall of the box body is provided with a fixed box, the side wall of the fixed box is provided with a through-type hollow discharge chute, and the fixed box is communicated with the feed hopper; a fixing part of the rotating motor is fixed to the bottom of the fixing box, the fixing part of the rotating motor is arranged in the protection box, and the end of the protection box is fixed to the bottom of the fixing box; the circular plate is used for throwing pulverized coal and is rotationally connected with the inner side wall of the fixing box, four fixing blocks are further symmetrically arranged at the top of the circular plate, and an output shaft of the rotating motor penetrates through the bottom of the fixing box to be connected with the circular plate. According to the device, pulverized coal can be uniformly thrown, and the pulverized coal adhered to the inner wall of the box body can be cleaned and collected, so that the loss of the pulverized coal during moisture measurement is reduced, and the practicability of the device is improved.

A baler implement includes a main frame, a baling chamber, a compressing member, a first input assembly, a second input assembly, a weight sensor, and a baler controller. The compressing member compresses the bale within the baling chamber. The first input assembly senses data related to variable dimension of the bale. The second input assembly senses data correlated to a dry matter density of the bale. The weight sensor sense data related to a total weight of the bale in the baling chamber. The baler controller receives the signal indicative of the total weight of the bale from the weight sensor, calculates a moisture weight of the bale based on a numerical difference between the total weight of the bale and a dry matter weight of the bale, and communicates the moisture weight of the bale to a communicator.

The invention discloses a fiber bragg grating sensor for moisture monitoring, and relates to the field of moisture monitoring, and the fiber bragg grating sensor comprises a sensor body and a processor. The sensor body comprises a shell, a heating wire, at least one optical fiber and at least one fiber bragg grating; the heating wire and the optical fiber are inserted into the shell in parallel; the fiber bragg grating is arranged on the optical fiber; the processor is connected with the fiber bragg grating; when moisture of to-be-measured soil is measured, the sensor body is vertically inserted into a heating line in the to-be-measured soil along the direction of the heating line to heat the to-be-measured soil under a set heating condition, the fiber bragg grating measures the deviation of optical wavelength in the optical fiber in the heating process, and the processor determines temperature distribution of the to-be-measured soil according to the deviation. According to the soil moisture monitoring method and the soil moisture monitoring device, the moisture monitoring of the large-area soil can be accurately realized, and the cost is low.

The invention provides a method and a system for measuring soil moisture under crop coverage, a medium and electronic equipment. The soil moisture measurement method comprises the following steps: acquiring a microwave remote sensing image and field actual measurement data of a farmland to be monitored; preprocessing the microwave remote sensing image to obtain a farmland backscattering coefficient image; building a crop microwave scattering model based on the field measured data, and obtaining a farmland backscattering coefficient; and based on the farmland backscattering coefficient image, optimizing the farmland backscattering coefficient by using a Bayesian algorithm to obtain a farmland soil moisture estimation result. According to the method provided by the invention, the accuracy of soil moisture measurement under crop coverage can be improved.

The invention discloses a geological exploration drilling rock core layering method, which comprises six stages of rock core acquisition, data measurement, data storage, data preprocessing, data processing and analysis, and result analysis, in the data measurement, a measurement rod piece is adopted, and a color measurement module, a moisture measurement module and a hardness measurement module are distributed on the rod piece; data storage adopts a spatial data format for storage, and corresponding coordinates are given to each measurement point according to data matrix coding; the measurement data is preprocessed to meet the requirements of post-processing and analysis of the data; according to a rock core characteristic attribute division standard, the measured data is subjected to reclassification, weight analysis, superposition calculation and re-reclassification in sequence, and finally, a gray value is adopted to represent a settlement result. The time cost and the engineering cost are saved; a rock core characteristic measurement data preprocessing structure chart, a visual data preprocessing method and a visual data preprocessing process are constructed, and rock core layering is quantitatively expressed and output.

To provide a technique of precisely and stably measuring moisture when measuring moisture in a coal carried on a conveyor by using a microwave.SOLUTION: A moisture measuring method for measuring moisture in coal carried on a conveyor includes: a coal pressure reduction step of reducing the pressure of a coal carried on a conveyor and levelling out a surface of the coal and compressing the coal; a layer thickness measuring step of measuring a layer thickness of the coal after the pressure of the coal is reduced in the coal pressure reduction step; a microwave sending step for sending a microwave as a transmission wave to the coal after the pressure of the coal is reduced in the coal pressure reduction step; a microwave receiving step of receiving the microwave which was sent in the microwave sending step and passed through the coal as a reception wave; a microwave change amount calculation step of comparing the transmission wave and the reception wave and calculating a change amount; and a water content calculation step of calculating a water content of the coal on the basis of the change amount calculated by the microwave change amount calculation step and the layer thickness of the coal measured in the layer thickness measuring step.SELECTED DRAWING: Figure 3

The invention provides an analysis method and system for automatically measuring soil moisture based on data processing, and relates to the technical field of soil moisture measurement. The method comprises the following steps: deploying uniquely-identified multi-parameter sensing nodes and carrying out ad hoc networking; soil and meteorological multi-modal data are synchronously collected; quality control such as missing value filling, drift correction and abnormity elimination is carried out in real time; executing space-time preprocessing to construct multi-source features; and automatically generating a soil moisture estimation result of the target area based on the integrated learning model and the space time sequence information. According to the invention, a closed loop from data acquisition to accurate prediction can be realized.

This invention is a smart system that operates IoT and has three main departments to prevent water loss and improve the water consumption amount in the agriculture field and any other area that consumes heavy sources of water. The method predicts the weather conditions and all the possible occurs such as strong winds, rain, daily or hourly tempreture, etc with related rain detection, wind speed sensor, and tempreture sensor. The intelligent irrigation structure comprises three main sections which are the meteorological station to measure the current weather, the soil moisture measurement section setting minimum and maximum humidity levels based on the type of crop to improve product quality and conserve water, and the central controller part that indicates services to the owners of the farm. This invention operates automatically and allows farm owners to monitor their farm and sensor information through SMS and a mobile app.

The invention discloses a near-infrared moisture measurement method and a near-infrared moisture measurement device for an online moving material, belongs to the technical field of near-infrared moisture measurement, and aims to solve the problems of poor adaptability, low measurement precision under a dynamic working condition and large spatial difference interference in traditional near-infrared moisture measurement. The method comprises the following steps: generating an adaptive target wavelength combination based on specific attributes of an online moving material; a transmission trigger signal is dynamically generated in combination with a real-time transmission state, time-sharing transmission of a light source is controlled, a reflection signal is collected at a dynamic frequency in an exclusive collection window, and a standardized data set is generated through adaptive gain correction and binding of coordinates of a detection area; and extracting multi-dimensional correlation spectral features based on the set, generating an iterative initial feature difference value through space consistency calibration, correlation index table construction and detection unit division, and calculating the moisture content through a difference value iterative calibration method. According to the invention, accurate and stable measurement of the moisture of the on-line moving material under the dynamic working condition is realized, and the measurement suitability and reliability are obviously improved.

The invention relates to the technical field of flower moisture determination, and discloses a flower moisture determination system and method based on image data, the flower moisture determination system based on image data comprises the following steps: radiometric calibration is carried out to obtain reflectivity; generating a smooth logarithmic spectrum; calculating a discrete second-order curvature; calculating a curvature residual error; generating a logarithmic spectrum water absorption curvature residual error; generating a single pixel driving quantity; generating a single-value convergence quantity; and generating and outputting a single-value moisture estimation result. According to the method, multiplicative envelope of thin film transmission is converted into additive terms through logarithmic spectrum conversion, noise is suppressed in combination with second-order regular smoothing, non-moisture interference caused by sleeve wrinkle reflection is stripped through discrete second-order curvature calculation and curvature residual extraction, and multi-moisture absorption band characteristics are subjected to adaptive weighted fusion, so that the multi-moisture absorption band characteristics are obtained. Meanwhile, a soft weight field is used for replacing traditional hard segmentation of the flower target area, and result fluctuation caused by boundary drift of the flower target area is avoided; and the automatic online detection rhythm of the flower production line is adapted.

The invention discloses online lithium ion battery water content detection equipment and method. A metal cavity is additionally arranged on an exhaust pipeline of a vacuum oven for baking, high-temperature gas in the vacuum oven is fed into the metal cavity through a vacuum pump, and after being mixed in the metal cavity, the high-temperature gas enters a Karl Fischer moisture measuring instrument through a pipeline with a gas flow meter for testing. According to the invention, the moisture measurement of the battery cell can be changed from an off-line test to an on-line test, so that unnecessary procedures are reduced, the automation degree of a production line is increased, and the labor cost investment is reduced; a non-sampling inspection mode is adopted, the water content of the battery cells is represented through the water content of the battery cells baked by the whole tray or even the whole drying oven, meanwhile, all detection is controlled by equipment, and the detection result is more accurate; and meanwhile, a false battery cell is not needed during testing, and non-destructive testing is realized, so that the material cost input is reduced.

The invention discloses an automatic sample oil moisture detection system and method.The system comprises a detection module arranged on a base plate, the base plate is fixed to a workbench, the detection module comprises a moisture meter, functional parts and an operation panel, and the functional parts and the operation panel are arranged on the moisture meter; the base plate is further provided with a liquid injection device and a sample frame, the liquid injection device and the sample frame are both located on one side of the detection module, the sample frame is provided with a sample bottle, the workbench is further provided with a positioning fork, one side of the moisture meter is provided with a liquid injection port, the liquid injection port is located in the positioning fork, and the liquid injection port is located in the positioning fork. The liquid injection device is provided with a liquid injection mechanism which moves between the sample bottle and the moisture meter, and one side of the workbench is also provided with an AGV (Automatic Guided Vehicle) used for inputting and outputting a sample. Automatic operation of sample oil moisture determination is achieved, quantitative liquid injection of the sample to the moisture meter is completed, the determination process is more ordered, efficiency is high, and data consistency is good.

The invention discloses a soil surface moisture measurement sensor based on a phase detection principle, and relates to the field of soil moisture measurement, and the soil surface moisture measurement sensor comprises a single-chip microcomputer, a sensor main body and a plurality of probe groups; the plurality of probe groups are arranged in different soil layers; the single-chip microcomputer is used for outputting an acquisition signal and a gating signal. The sensor main body is connected with the single-chip microcomputer and is used for receiving an acquisition signal and a gating signal sent by the single-chip microcomputer, outputting a measurement signal according to the acquisition signal and controlling the probe group in the corresponding soil layer to be conducted according to the gating signal; the probe group is connected with the sensor main body and is used for outputting a feedback signal according to the measurement signal; the sensor main body is also used for obtaining a signal phase difference according to the feedback signal and the measurement signal; the single-chip microcomputer is further used for obtaining the soil water content according to the signal phase difference information The soil surface moisture measurement is realized, the multi-point soil moisture measurement efficiency is improved, and the soil moisture measurement cost is reduced.

The application discloses a kind of SF6 density relay comprehensive calibration instrument and calibration and measurement method, including intermediate pipeline and be located on the air pump of intermediate pipeline, the one end of the intermediate pipeline is respectively communicated with the one end of safety valve pipeline, first pipeline one end, second pipeline one end, the other end of intermediate pipeline is respectively communicated with the one end of micro water measuring pipeline and third pipeline one end, the other end of the micro water measuring pipeline is respectively communicated with the one end of inlet pipeline and purity measuring pipeline, the other end of third pipeline is respectively communicated with the other end of first pipeline and fourth pipeline one end, the other end of the fourth pipeline is respectively communicated with the other end of purity measuring pipeline, the other end of second pipeline and muffler pipeline, intermediate pipeline side is equipped with suction pipeline;The application has adopted new pneumatic circuit design, combines density relay system calibration circuit with moisture measurement circuit and purity measurement circuit together, with the characteristics such as high measurement efficiency, convenient, its loop structure is simplified, and measurement is efficient.

The invention relates to the field of soil moisture measurement, in particular to a soil moisture measurement management system suitable for a permafrost active layer, which is used for solving the problem that a system capable of effectively and comprehensively managing measurement data and simultaneously carrying out basic auxiliary analysis on statistical data is lacked when the soil moisture content of the active layer is measured. According to the invention, basic influence factors are respectively measured through different units, multi-party measurement information intercommunication is realized through a cloud information interaction mode, the measurement efficiency is ensured, a three-dimensional measurement stereogram is drawn through the depth construction control unit, and one-sided data are combined into a visual three-dimensional image through the three-dimensional image, so that the measurement efficiency is improved. According to the soil moisture content monitoring system, the change of the soil moisture content on different terrains, different temperatures and different depth levels can be conveniently and intuitively known, unreasonable data are intelligently screened through the moisture measurement and analysis unit, the unreasonable data are marked and reminded, and the accuracy of the data in a measurement completion graph is improved.

The utility model discloses a dry-wet separator, comprising a rolling screen, a crushing assembly, a sensor assembly and an auger assembly; the auger assembly is arranged at the product output end of the rolling screen, and a feed trough for receiving the product of the rolling screen is arranged at the top of the auger assembly; the sensor assembly comprises a moisture determination sensor and / or a liquid level sensor, the moisture determination sensor is arranged between the output end of the rolling screen and the feed trough and is used to sense the moisture content of the product of the rolling screen; the liquid level sensor is arranged inside the feed trough and is used to sense the liquid level of the feed trough; the crushing assembly is arranged in the circumference of the rolling screen and is used to crush the attachments on the rolling screen. When the moisture content reaches the set threshold, the crushing assembly is controlled to operate, and the attachments on the rolling screen are crushed, thereby unblocking the sieve holes on the screen, clearing the blockage, ensuring the normal operation of the dry-wet separator, realizing automatic control, and avoiding manual intervention.

This invention relates to the field of moisture measurement technology, specifically disclosing a portable moisture meter, including a shell, a cover plate, a measuring component, and a fan assembly. The cover plate is fixedly connected to the shell, and the cover plate and shell together form a receiving cavity. The measuring component includes a probe and a main board, with the probe communicatively connected to the main board. The probe is disposed outside the shell and is used to contact the object to be measured. The main board is disposed inside the receiving cavity, and the fan assembly is disposed inside the receiving cavity to reduce the temperature and humidity inside the receiving cavity. By placing the fan assembly inside the receiving cavity to reduce the temperature and humidity inside the receiving cavity, the operating environment temperature and humidity of the main board are reduced, reducing the risk of performance drift, thereby improving the adaptability to high temperature and high humidity environments and reducing the impact of high temperature and high humidity environments on the accuracy of moisture detection.

The utility model belongs to the technical field of moisture measurement, and discloses a wastewater pollutant online monitoring device which comprises a water taking device body and a rotating shaft rotationally arranged on the inner top wall of the water taking device body, a water outlet pipe is arranged on the bottom face of the water taking device body, and a square plate is connected to the side wall of the water taking device body. A PH detection device is arranged on the inner wall of the square plate, a display screen is arranged on the water taking device body and electrically connected with the PH detection device, a sliding groove is formed in the side wall of the square plate, a sliding rod is arranged in the sliding groove in a sliding mode, and a baffle is connected to the end of the sliding rod. The sliding rod is provided with a limiting assembly used for limiting the sliding rod. The baffle cleaning device has the effect of reducing the baffle cleaning difficulty of workers.

Disclosed is a method for evaluating moisture permeability of an outer package material for power storage devices, the method comprising: a step for preparing an outer package material for power storage devices, the outer package material being composed of a laminate that includes at least a base material layer, a barrier layer, and a thermally fusible resin layer in this order from the outer side; a sealing step for sealing a moisture adsorption film in a package that is obtained by thermally fusing the thermally fusible resin layers to each other at a peripheral edge part of the outer package material for power storage devices; a step for placing the package, in which the moisture adsorption film is sealed, in an environment that includes moisture; and a moisture measurement step for measuring the amount of moisture absorbed by the moisture adsorption film in the package. The moisture adsorption film includes a porous layer.

The invention discloses a method for quickly detecting moisture in tobacco leaf processing. 2+ As the precursor material, dimethyl sulfoxide (DMSO) was used as the solvent. Solvent-dependent rhein-based carbon dots were prepared by microwave method. The interaction between water and aprotic solvent DMSO was used to reduce the fluorescence signal of carbon dots. Combined with smartphone RGB signal acquisition technology, a new method with high sensitivity and selectivity for moisture determination was established by using the good linear relationship between moisture content and R value. The detection limit was 5 mg. This method was applied to the detection and analysis of moisture content in tobacco leaf processing, and the results were consistent with those of the reduced pressure drying method. The method is simple, stable and accurate.