70 results about "Densitometer" patented technology

1. Name of the product in this design: Grouting Density Meter. 2. Purpose of this design: To measure the density of cement slurry. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: the front view.

The invention discloses a seawater concentration ratio monitoring device and method, and relates to the technical field of marine environment monitoring, and the seawater concentration ratio monitoring device comprises a measuring cylinder, a water inlet pipe, an electric control valve, a densimeter, a camera and a computer; the electric control valve and the camera are respectively in signal connection with the computer; the measuring cylinder is communicated with the water inlet pipe, an electric control valve is mounted on the water inlet pipe, and the computer controls the water inlet pipe to inject seawater to be monitored into the measuring cylinder by controlling the electric control valve to be opened; the densimeter is arranged in the measuring cylinder, and the camera is in height fit with the densimeter and is used for acquiring a real-time image of the densimeter. According to the invention, a densimeter and an image recognition technology are combined, so that the seawater concentration ratio is accurately monitored; the device design enables seawater to continuously flow, and continuous monitoring is achieved; a monitoring result can be easily obtained through the camera and the data processing system; interference is avoided by closing the water inlet valve until the densimeter is stable; and no electronic component in contact with seawater exists, so that the device is easy to maintain.

The utility model discloses an evaporator solution density measuring device and system. The evaporator solution density measuring device comprises a circulation branch, a gas-liquid separation tank, a density measuring tank and a densitometer, wherein an inlet and an outlet of the circulation branch are respectively communicated with an evaporator; the gas-liquid separation tank and the density measurement tank are sequentially arranged on the circulation branch in the flowing direction of the solution; and the densimeter is communicated with the density measuring tank. A circulation branch is arranged outside the evaporator through the gas-liquid separation tank and the density measurement tank, the solution is in a flowing state when flowing through the gas-liquid separation tank and the density measurement tank, the state of the solution is basically consistent with that of the solution in the evaporator, and the phenomena of solution deposition and pipeline blockage are avoided. At the moment, the density of the solution in the density measurement tank is measured through the densimeter, the density value of the solution in the evaporator can be truly reflected, and the measurement accuracy is improved.

The heat value allocation device comprises at least two gas source pipelines with different heat values, and each pipeline is provided with an adjusting valve and a flow meter; the efficient dynamic mixer is used for receiving the fuel gas from each gas source pipeline and fully mixing the fuel gas; the real-time monitoring system comprises an on-line calorific value analyzer and a densimeter which are arranged on an outlet pipeline of the mixer; the intelligent control system is used for receiving signals of the flowmeter, the calorific value analyzer and the densitometer and outputting control signals to the regulating valves of the pipelines; the invention discloses a safety interlocking system. The system and the method have the beneficial effects that online, real-time and accurate allocation is realized, the stability of fuel of the gas generator set is ensured, the power generation efficiency and the operation reliability are improved, and the adaptability of the set to different gas sources is enhanced.

The invention relates to an electrode drying apparatus, an electrode manufacturing apparatus, and an electrode drying method. The electrode drying apparatus includes: a dryer configured to form a dried active material layer by applying thermal energy to dry a fluid active material layer of an electrode active material slurry coated on a substrate moving in a first direction; a densimeter configured to measure a density of the fluid active material layer and a density of the dry active material layer; and a controller configured to control the dryer such that a magnitude of the thermal energy is adjusted based on a density change, which is a difference between the density of the fluid active material layer measured by the densitometer and the density of the dried active material layer.

The application discloses a short-focus projection touch geometric optical adaptive accurate calibration method, relates to the technical field of projection touch calibration, and is used for solving the problems of projection and touch geometric coupling, complicated calibration and long-term overall drift correction, and comprises the following steps: a unified geometric optical model and a layered state vector are established; a factory side establishes a model geometric optical priori, a residual base and a drift mode library based on multiple sample mechanisms; when a terminal is installed, a few-point joint calibration is completed by combining attitude and distance observation and a small amount of user clicks; in a running stage, projection side and touch side drift are identified by using multi-source observation data, and a state vector is updated; based on screen area error, uncertainty and interactive density calculation information value, an interface control layout is adjusted, and an explicit calibration trigger area is adjusted, so that the interactive area can maintain high and stable projection alignment accuracy and touch positioning consistency under different installation conditions and long-term operation.

The present invention provides a phase shifter that can be manufactured using a CMOS process, exhibits low optical propagation loss, can maintain refractive index changes without power supply, and allows for the resetting of those refractive index changes. [Solution] The phase shifter 100 of the present invention comprises an optical waveguide 101 composed of a core 105 and a cladding 106 surrounding the core 105, a substrate 102 on which the optical waveguide 101 is mounted, a heating means 103 for heating the core 105, and an ultraviolet irradiation means 104 for irradiating the core 105 with ultraviolet U, wherein the core 105 mainly contains silicon nitride, and the density of silicon dangling bonds of silicon nitride is 10 in terms of spin density 18 cm -3 The above 10 20 cm -3 The following applies:

The invention relates to the technical field of three-coordinate measurement. An active laser probe is disclosed. The laser probe comprises a laser emission module, an ambient light constant module, an acquisition module, a signal processing and control module and an interference suppression unit. The signal processing and control module divides the workpiece and the detection table based on the texture features; performing automatic focusing based on the definition and the resolution; calculating a curvature change trend based on the pixel density of each detection area; checking a measurement result by combining the curvature and the luminosity of the current area, and adaptively adjusting measurement, light supplement and focusing parameters of the next area based on a curvature trend; the interference suppression unit outputs a predefined stabilized image signal to the signal processing and control module to suppress a measurement error caused by ambient light fluctuation. According to the invention, through dynamic adjustment of ambient light, automatic focusing and parameter self-adaption, measurement errors caused by overcut / undercut, high reflection or dark color materials of the edge of the curved surface are overcome, and the method is suitable for high-precision three-dimensional measurement of a complex curved surface.

The present invention relates to a solution for determining the content of a fluid flow, especially for determining the gas fraction or density of the fluid flow at a predetermined rate. It includes a data storage device storing an assumed water liquid ratio value related to the flow, a gamma densitometer configured to measure the density in at least a defined section of the fluid flow in a predetermined time period, thus providing a density measurement of the fluid flow in said defined section, and storing a corresponding first density value and tomographic impedance measuring unit configured for providing a sequence of discrete tomographic measurements of the gas / liquid distribution of the flow at discrete time steps within said time period. The tomographic measuring unit also calculating the gas fraction and density for the fluid flow in the defined section for each discrete time step.

The utility model belongs to the field of densimeter, specifically is glass densimeter damping device, including mounting seat, the upper end of mounting seat is equipped with the mounting groove, the inside of mounting groove is placed with glass densimeter body, the upper end of mounting seat is connected with protection subassembly, the lower extreme of mounting seat is connected with damping subassembly, the outside of mounting seat is connected with fixed component, through setting protection subassembly, initial state, four protection strips are all as far as possible to the middle close, with the spacing of medium axis line is less than the radius of conventional glass densimeter glass tube, when placing glass densimeter body, then will push and squeeze protection strip no.

1. The name of the design product: import instrument (D501). 2. The use of the design product: the product design is used for beauty instrument. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: perspective drawing.

The application discloses a kind of photomultiplier output attenuation compensation methods of radioactive source density detection under low temperature condition, belong to radioactive source density detection and photomultiplier signal compensation technical field.For the problem that low temperature leads to the reduction of photomultiplier output pulse amplitude, the reduction of effective pulse count and the increase of density measurement error, the count rate obtained by signal processing and pulse counting is collected at calibration temperature and multiple low temperature points, and the count rate compensation coefficient is calculated;With ambient temperature as input, compensation coefficient as output, support vector regression compensation model is established, and parameters are optimized by radial basis kernel function, grid search and cross validation;Real-time acquisition of the predicted compensation coefficient corresponding to the current temperature, correct the measured count rate, and use the compensated count rate for medium density calculation.The method does not need to change the photomultiplier power supply high voltage, discrimination threshold or increase the compensation hardware, and can reduce the influence of output attenuation under low temperature condition on density measurement result.

The utility model provides an air suction type dust detection optical densimeter and relates to the technical field of dust detection. The air suction type dust detection optical densimeter comprises a cylinder body, connecting cylinders are fixedly connected to the two ends of the cylinder body, and the end, away from the cylinder body, of one connecting cylinder is in threaded connection with a photoelectric detector receiving end. According to the air suction type dust detection optical densimeter, the exhaust assembly and the air inlet assembly are arranged and can be combined with the transmitting end and the receiving end of a photoelectric detector for use, so that the high-resolution characteristic of the optical densimeter can be kept, and meanwhile, through holes are formed in a connecting cylinder, so that it is ensured that when air suction detection is carried out, the detection precision is improved. An air film can be formed at the transmitting end and the receiving end of the photoelectric detector, so that dust particles flowing in the cylinder body can be prevented from contaminating optical lenses at the transmitting end and the receiving end of the photoelectric detector, a protection effect is formed, optical elements are prevented from being contaminated, and practical application is facilitated.

The invention discloses a multi-mode monitoring method and system for accumulated dust of a dust removal pipeline, and relates to the technical field of accumulated dust monitoring. The monitoring method comprises the following steps: measuring a microwave characteristic value by using a microwave detection module, obtaining an optical characteristic value by using an optical auxiliary module, estimating an equivalent density rho by using a density estimation method based on the microwave characteristic value and the optical characteristic value, and calculating a deposition equivalent mass M based on the equivalent density rho, and the deposition equivalent mass M is a quantitative index capable of more accurately reflecting the dust deposition working condition, and can provide judgment on special working conditions such as caking, dust deposition loosening and local blockage, so that the method can adapt to the complex dust conveying working condition to accurately quantify dust deposition information, and is beneficial to accurately realizing risk assessment and providing maintenance suggestions. Moreover, a multi-mode monitoring means facilitates self-diagnosis and self-calibration, and is beneficial for avoiding the situation that a single means affects dust retention information feedback due to material characteristics, environmental changes and the like.

A planar vibratory member (300, 400) is provided, being operable for use in a vibrating densitometer (500). The planar vibratory member (300, 400) comprises a body (302) and a vibratable portion (304) emanating from the body (302), wherein the vibratable portion (304) comprises a plurality of vibratable projections, and wherein the plurality of vibratable projections are cantilevered. The vibratable portion is operable to be vibrated by a driver (504).

1. The name of the design product: table type density meter. 2. The use of the design product: for measuring liquid density, alcohol content, sugar content, salinity. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The utility model discloses a water-cooled high-temperature concentration meter, which belongs to the technical field of concentration meters and comprises a measuring probe and a water-cooled component, a protective casing is sleeved outside the measuring probe, the water-cooled component comprises a cooling water tank and a cooling water pipe spirally wound on the surface of the protective casing, a water pump is mounted on one side of the cooling water tank, and a water outlet is mounted on the other side of the cooling water tank. A first guide pipe is fixedly connected between the outlet end of the water pump and one end of the cooling water pipe, a heat dissipation box is installed on the top of the cooling water tank, a second guide pipe is fixedly connected between the other end of the cooling water pipe and the heat dissipation box, and a third guide pipe is fixedly connected to the bottom of the heat dissipation box. Through the arrangement of the water cooling assembly, when the water-cooled high-temperature concentration meter is put into use, the measuring probe is inserted into high-temperature liquid, and meanwhile, the water cooling assembly is started to work to carry out water cooling protection on the measuring probe, so that the influence of temperature on a measurement result is reduced, the precision and reliability of concentration measurement are improved, and the service life of equipment is prolonged.

The application relates to the technical field of leakage gas density detection, in particular to a leakage gas two-dimensional density distribution measurement method based on background schlieren technology, which uses a CCD camera to shoot, and then obtains an experimental image affected by leakage gas and a reference image not affected by leakage gas; the reference image and the experimental image are compared, an inquiry window is selected, and then the total displacement of the inquiry window is obtained; a proper number of thermocouples are arranged at the edges of a gas flow field to measure the temperature, the measured temperature is taken as a boundary condition for gas refractive index calculation, and finally the density distribution of the gas in the gas flow field is obtained; the application can effectively improve the accuracy of leakage gas density calculation.

The present disclosure relates to an electrode drying apparatus, electrode manufacturing equipment, and an electrode drying method. The electrode drying apparatus includes a dryer configured to form a dried active material layer by applying thermal energy to dry a fluid active material layer of an electrode active material slurry coated on a substrate moving in a first direction. The apparatus also includes a densitometer configured to measure a density of the fluid active material layer and the dried active material layer, and a controller configured to control the dryer such that a magnitude of the thermal energy is adjusted based on a density variation that is a difference between a density of the fluid active material layer and a density of the dried active material layer as measured by the densitometer.

The application relates to the technical field of three-coordinate measurement, and discloses an active laser measuring head. The laser measuring head comprises a laser emission module, an ambient light constant module, an acquisition module, a signal processing and control module and an interference suppression unit. The signal processing and control module is used for segmenting a workpiece and a detection table based on texture features, automatically focusing based on definition and resolution, and calculating a curvature variation trend based on pixel density of each detection area. The measurement result is checked in combination with the curvature and brightness of the current area, and the measurement, light supplement and focusing parameters of the next area are adaptively adjusted based on the curvature trend. The interference suppression unit outputs a predefined stabilized image signal to the signal processing and control module to suppress measurement errors caused by ambient light fluctuation. Through dynamic adjustment of ambient light, automatic focusing and parameter adaptation, the application overcomes measurement errors caused by overcutting / undercutting of curved surface edges, high reflectivity or dark materials, and is suitable for high-precision three-dimensional measurement of complex curved surfaces.

The application discloses a kind of desulfurization absorption tower measuring instrument intelligent calibration method and device, it is related to industrial measuring instrument calibration technical field, wherein method includes: using industrial camera to collect slurry surface image, after lens distortion correction, gray scale and denoising processing, generate clear and distortionless image to be analyzed;Based on preprocessed image, through edge detection, morphological processing extraction and completion foam boundary profile, calculate foam coverage rate index;According to foam coverage rate grading determination slurry operating state and output grade early warning, monitor its change trend, detect when continuous rise trend early warning;Based on foam coverage rate, build correction model, calibrate the density meter, liquid level gauge measurement value disturbed by foam, output real parameter and prompt data reliability;Calibration data and early warning signal are uploaded to power plant distributed control system, complete whole-process application.The application realizes closed-loop intelligent control from slurry state monitoring to instrument calibration.

The invention discloses a method for correcting a densimeter method by using a nylon filter cloth wet screen analysis method, and relates to the technical field of particle analysis in soil mass engineering properties. And for the fine-particle soil body with the particle size smaller than 0.075 mm, based on the particle size division standard of the wet screen analysis method, synchronous adjustment of the particle size of the densimeter method is achieved by adopting an interpolation method, and verification is conducted. The principle is clear, the calculation process is completely programmed, more accurate gradation is obtained, the repeatability is high, the stability is high, and the reliability is high; the defects of time consumption, labor consumption, high cost and the like caused by comprehensive popularization of a wet screen analysis method are avoided, the advantages of simplicity and convenience in operation and good continuity of a densimeter method are reserved, and meanwhile, the precision of fine-grained soil particle analysis is improved; densimeter method system errors caused by Stokes law hypothesis, temperature influence, reading errors and other factors are effectively optimized, so that the finally obtained grain composition curve is closer to the real distribution of soil samples, and the problem of low data accuracy of the densimeter method, which puzzles engineering practice for a long time, is solved.

The application discloses a method, device and equipment for correcting the azimuthal density gap while drilling, and a storage medium, and relates to the field of oil and gas development.The method comprises the following steps: inputting the detector density energy window count data corresponding to the target depth point in the target well into a density calculation formula used for representing the density calculation formula generated by the standard calibration well calibration of the azimuthal density instrument while drilling under different densities, and outputting the first density value of different detectors; determining the corresponding target radial density sensitivity function from the density sensitivity function database based on the first density value, and acquiring the second density value of the target well actually measured by the detector; inputting the first density value and the second density value into a cost function model, correcting the formation real density value and the gap in the target density response calculation formula containing the target radial density sensitivity function, and outputting the corrected target gap and target density value, so that the accurate gap value and the formation real density value are acquired.

The utility model discloses a detection platform suitable for a densimeter, and particularly relates to the technical field of densimeters, the detection platform comprises a densimeter and a transparent water tank arranged at the top of the densimeter, the bottom of the transparent water tank is provided with a supporting pressing plate, and the periphery of the top of the supporting pressing plate is symmetrically and fixedly connected with fixed cylinders; a fastening bolt is inserted into one side of the top end of the fixing cylinder, and an inserting rod is inserted into the top of the fixing cylinder. According to the utility model, the inserted link is inserted at the top of the fixed cylinder, the height of the support frame can be adjusted as required by rotating the fastening bolt and controlling the inserted link to move up and down, and the adjusted height is fixed, so that objects with different sizes can be conveniently adapted to carry out soaking test; through cooperation of the second connecting rod and the connecting rotating shaft, the two hooks can be operated at the same time by pinching or unfolding the second connecting rod, disassembly or hanging use is convenient, assembly and disassembly are convenient, and operation smoothness is improved.

A phase shifter (100) according to the present invention is provided with: an optical waveguide (101) formed of a core (105) and a cladding (106) surrounding the core (105); a substrate (102) on which the optical waveguide (101) is mounted; a heating means (103) for heating the core (105); and an ultraviolet irradiation means (104) for irradiating the core (105) with ultraviolet rays U. The core (105) contains silicon nitride as the main component, and the density of silicon dangling bonds of the silicon nitride is 1018-1020 cm-3 as expressed in spin density.<sp / >

The utility model provides an accurate flow measuring device which comprises a first liquid conveying pipe, the first liquid conveying pipe is connected with a detection pipe, the detection pipe comprises a horizontal section and a vertical section, the middle of the horizontal section is connected with a liquid inlet pipe, the liquid inlet pipe is connected with a detection tank, the detection tank is located below the horizontal section, a densimeter is arranged in the detection tank, and the densimeter is connected with the liquid inlet pipe. The bottom of the detection tank is connected with a liquid outlet pipe, the liquid outlet pipe is connected with the middle of the vertical section, and the detection pipe is connected with a second liquid conveying pipe. The detection tank is arranged, a solution is input into the detection tank to perform density detection on the solution in the detection tank, and the densimeter can be ensured to be in full contact with the solution during detection, so that the accuracy of a detection result is effectively improved; the structure is simple and the use mode is convenient.

A fluid sampling tool may include a fluid characterization device consisting of a densitometer, a viscometer, or a vibrating element, or a combination thereof and a polymer disposed in or around the fluid characterization device, wherein the polymer volume, density, or viscosity changes with an ionic stimulus. The fluid characterization device may be located within a bypass flow line of the sampling tool. A method of measuring pH and a method of monitoring at least two analytes at the same time using the fluid characterization devices are also discussed.

The application discloses a test device for surface coating adhesion of non-oriented electrical steel, which comprises a test platform, a sample fixing assembly, a feeding assembly arranged to pick up a sample and deliver the sample to the sample fixing assembly, a tape assembly arranged to stick a tape to the surface of the sample, a bending assembly arranged to apply a bending force to the sample to make the sample bend at the position where the tape is stuck, a stretching assembly arranged on the test platform and arranged to apply a stretching force to the bent sample to straighten the bent sample, a negative plate assembly having at least one negative plate, a tape stripping assembly arranged to strip the tape from the sample and place it on the at least one negative plate, and a measuring assembly comprising a probe and a densitometer connected with the probe, the measuring assembly measuring the light transmittance of the tape on the negative plate, and the light transmittance characterizing the adhesion of the coating.

The application provides a high-precision heliostat energy flow density calculation method, and the calculation method specifically comprises the following steps: S1, determining the position, calculating the incident light and reflected light vector, and the normal vector coordinate of the heliostat; S2, meshing the heliostat and the receiving surface to obtain the mesh coordinate; S3, determining the position coordinate of the intersection point of the reflected sunlight center light of all the heliostat mesh points and the receiving surface; S4, calculating the included angle between the reflected light of the heliostat mesh point and the sunlight center light to obtain the energy flow density of the target mesh point of the receiving surface; S5, adding up the energy flow density contribution of all the heliostat mesh points to the receiving surface mesh point to obtain the calculated energy flow density of the receiving surface mesh point; and S6, repeating the step S4 and the step S5 to calculate the energy flow density of all the mesh points of the receiving surface. The application can quickly and accurately calculate the energy flow density distribution of the focused sunlight of the heliostat on the receiving surface and the interception rate, thereby helping the system design optimization and operation control.

The invention relates to the technical field of material detection, in particular to a testing device for detecting the performance of a thermal insulation material. Comprising a test box, the top of the test box is a carrying table, a notch is formed in the carrying table, and a fixing clamp is arranged on the carrying table; a lamp is arranged above the carrying table, the lamp is connected with a test box through an adjustable support, an outer infrared imaging sensor is further arranged on the carrying table, a thermocouple and a flat plate heat flux density meter are arranged in a notch of the carrying table, and an inner infrared imaging sensor and an air temperature sensor are further fixedly arranged in the test box. The detection precision can be improved.