24results about "Weighing apparatus" patented technology

Provided are apparatus and methods for sensing material degradation through sensing of mass accumulation. In some aspects, the apparatus and methods employ a material such as aerogel in conjunction with a force-sensing device such as a piezoelectric sensor placed in contact with or in proximity to a material under test. Degradation of the material under test is sensed by sensing a change in mass of the aerogel absorbing parts or particles of material lost by the unit under test that, in turn, acts to further place force on or deform the piezoelectric sensor enabling real time measurement of degradation by sensing changes in the output voltage of the piezoelectric sensor. These changes in output voltage may then be correlated to the mass degradation of the unit under test.

The utility model discloses a kind of asphalt rotary film ovens of weighing, including cabinet, cabinet is equipped with door on one side, servo motor is fixedly connected on cabinet upper portion, the output shaft of servo motor is connected with the column located in the inside of cabinet, column is installed in the inside of cabinet, carousel, the carousel is equipped with outside column, the surface of carousel is connected with weighing device, the weighing device includes 1 high-temperature-resistant resistance strain type weighing sensor, high-temperature-resistant resistance strain type weighing sensor is equipped with resistance strain gauge, 1 controller is connected with high-temperature-resistant resistance strain type weighing sensor, the controller is located column left side, the weighing device is wrapped by annular protective outer cover.In the utility model, the weighing device in carousel interior can seamlessly link in asphalt detection test to the detection of mass loss, without taking out test sample and weighing, greatly reduce test error, improve the accuracy and stability of aging test.

The invention relates to a calendering system (100') that manufactures reinforced rubber sheets comprising one or more reinforcements (200) positioned between two layers of unvulcanized rubber comprising an upper skim (SSUP) and a lower skim (SINF). The calendering system incorporates a sheet mass control system comprising: - a first virtual sensor that performs a preliminary prediction of the mass of the manufactured sheet; - a second virtual sensor that performs a dynamic estimation of the density of the rubber mixture constituting the upper and lower skims; and - a third virtual sensor that calculates the average ratio between the mass of the upper and lower skims and the sum of the spacings between pairs of cylinders (102, 104) over the last 100 meters of the manufactured sheet; so that a mass prediction is obtained prior to an actual measurement of the mass of the manufactured sheet. Figure for the abstract: Fig. 3

The invention relates to the technical field of optical clock metering instruments, in particular to a microscopic particle mass measurement method and system based on an optical lattice clock, and the method comprises the steps: forming a one-dimensional horizontal shallow light lattice to constrain a to-be-measured microscopic particle based on an optical lattice clock platform; firstly, to-be-measured particles are subjected to laser cooling and then loaded to optical lattices, and the to-be-measured particles are prepared to a ground state single Zeeman sub-energy level through optical pumping. Then, modulating a beam of lattice light in the one-dimensional horizontal shallow light lattice to enable the lattice light to periodically shake; then, determining the line widths of clock transition spectral lines of the particles to be measured under different modulation amplitudes, and finding out the critical modulation amplitude corresponding to the minimum line width; and finally, according to the critical modulation amplitude and the lattice light wavelength, accurately deducing the absolute mass of the microscopic particles imprisoned by the light lattice.

The utility model belongs to the field of tank car material transfer devices, and particularly relates to a tank car material transfer device which comprises a tank car carriage, a feeding assembly is fixedly connected to the interior of the tank car carriage, a discharging port is fixedly connected to the side face of the tank car carriage, a feeding port is formed in the position adjacent to the discharging port, and a discharging port is formed in the feeding port. Hinges are fixedly connected to the side faces of the discharging port and the feeding port, baffles are fixedly connected to the side faces of the hinges, lock catch structures are arranged on one sides of the baffles, and a plurality of sleeve holes are sequentially formed in the surface of the tank car compartment from top to bottom at equal intervals. Through the structural design that a driving motor in the feeding assembly drives a propeller rod to rotate and the flow guide effect of a conical guide groove and a U-shaped material collecting groove, granular materials with large weight in a tank compartment can be stably pushed to another tank compartment from a discharging opening, the problem that a traditional air compression type transferring device cannot convey large-particle materials is solved, and the conveying efficiency is improved. And the applicability and efficiency of material transfer are obviously improved.

The invention discloses a fiber grating demodulation system and demodulation method based on a polarization measurement technology, and a corresponding grating weighing sensor, and belongs to the technical field of optical fiber sensing. The system comprises a broadband light source, a circulator, a grating weighing sensor, a polarizer, an optical fiber delayer, a polarization beam splitter, a first photoelectric detector, a second photoelectric detector, a data acquisition card and a demodulation module. According to the method, reflected light of the sensor is changed into linearly polarized light through the polarizer, the linearly polarized light is delayed and then divided into two paths of orthogonal components through the polarization beam splitter, the two paths of orthogonal components are converted into voltage signals, the demodulation module processes the two paths of signals through a differential balance algorithm, a phase delay angle related to wavelength change is extracted, and then the weight is calculated. The invention further provides a grating weighing sensor adopting the left-handed and right-handed fixing bolt and reinforcing bolt structure, and the grating weighing sensor is used for applying and keeping constant pretension force. According to the method, the problems of low precision and poor anti-interference performance of a traditional demodulation method are solved, and the accuracy and the stability of fiber grating weighing measurement are remarkably improved.

This disclosure relates to a method of estimating weight of food objects, comprising training an artificial neural network software module, and using the trained artificial neural network software module to provide a weight correlated data estimate for said food object based on a three dimensional (3D) image of the food object.

The application provides a tobacco plant leaf weight estimation method and device based on canopy reflectance spectrum, comprising: obtaining a target key spectrum of a to-be-measured tobacco plant; the target key spectrum is determined based on the variety, growth stage and canopy reflectance spectrum of the to-be-measured tobacco plant; inputting the target key spectrum into a tobacco plant leaf weight estimation model to obtain the leaf weight of the to-be-measured tobacco plant output by the tobacco plant leaf weight estimation model; and the tobacco plant leaf weight estimation model is obtained by training a plurality of sample key spectra with sample leaf weights. The tobacco plant leaf weight estimation method and device based on canopy reflectance spectrum provided by the application realizes tobacco plant leaf weight estimation through a small number of key spectral bands, reduces the complexity of the model, improves the prediction accuracy, and according to the non-contact characteristics of spectral technology, combined with different load platforms, can realize the measurement of the canopy reflectance spectrum of a large range of tobacco plants, so as to quickly obtain the leaf weight of a large range of tobacco plants.

The invention discloses a device and a method for removing test waste liquid condensate at the bottom of a salt spray box. A salt spray test box body is used for containing a salt solution for a salt spray test; the weighing sensor is embedded in a bottom plate of the salt spray test box body and is used for sensing and measuring the weight change on the bottom plate in the salt spray test; the telescopic part is mounted on a bottom plate of the salt spray test box body, the telescopic part is composed of a fixed part and a telescopic part, and the telescopic part can reciprocate on the fixed part; the cleaning brush is connected with the telescopic part, scrapes and brushes the bottom plate during reciprocating motion, and then is matched with a discharging opening reserved in the bottom plate to clean waste residues and waste water on the bottom plate; the power-on and power-off processes of the electromagnetic valve are used for controlling the telescopic part to reciprocate; the control system is electrically connected with the electromagnetic valve and used for controlling the electromagnetic valve to be powered on and powered off so as to control the cleaning brush to conduct cleaning operation according to a preset mode. The heating efficiency of the heating device at the bottom of the test box and the uniformity of the temperature in the test box can be fully ensured, and the test result is real and reliable.

To provide a paper type identification device for identifying the type of a sheet with high accuracy.SOLUTION: A paper type identification device 100 comprises: a surface nature measuring unit 103 that measures, from a sheet to be conveyed, the surface nature of the sheet; and an information processing unit 160 that acquires a result of measurement performed by the surface nature measuring unit 103, and acquires a parameter for identifying the type of the sheet based on the measurement result. The information processing unit 160 determines whether the sheet is moving when the surface nature measuring unit 103 measures the sheet, when determining that the sheet is moving, acquires the parameter, and when determining that the sheet is not moving, discards the measurement result.SELECTED DRAWING: Figure 3

A bulk acoustic resonator that includes a substrate, a piezoelectric plate, and an interdigital transducer (IDT) formed on the front surface of the piezoelectric plate. The IDT is configured to excite a primary shear acoustic mode within the piezoelectric plate. Also included is a half-lambda dielectric layer on at least one of the front surface or the back surface of the piezoelectric plate, where a thickness of the half-lambda dielectric layer is related to a wavelength of a fundamental shear bulk acoustic wave resonance in the half-lambda dielectric layer. The device further includes an acoustic Bragg reflector sandwiched between the surface of the substrate and the back surface of the piezoelectric plate, the acoustic Bragg reflector configured to reflect the primary acoustic mode. A top layer of the alternating layers of the acoustic Bragg reflector contacts the piezoelectric plate or the half-lambda dielectric layer.

A sheet property measurement device includes an insertion portion into which a sheet is to be inserted, a reading sensor configured to read a surface of the sheet inserted into the insertion portion, and a controller. The controller is configured to measure a property of the surface of the sheet based on a plurality of reading results given by the reading sensor, and output a measurement error in a case where all the plurality of reading results given by the reading sensor do not change from a reading result given at one location on the surface of the sheet with respect to an insertion direction of inserting the sheet.

To provide an information processing system capable of easily grasping the weight distribution of a linear structure.SOLUTION: An information processing system 10 comprises a position information acquisition unit 250, a shape estimation unit 251, an input information acquisition unit 253, a weight distribution estimation unit 254, and a display control unit 255. The position information acquisition unit 250 acquires the position information of the cable with a catenary shape. The shape estimation unit 251 estimates the cable shape from the position information acquired by the position information acquisition unit 250. The input information acquisition unit 253 acquires the information of the tension acting on one end of the cable. The weight distribution estimation unit 254 estimates the weight distribution of the cable 81 based on the shape and tension of the cable. The display control unit 255 outputs the cable weight distribution.SELECTED DRAWING: Figure 2

The invention relates to the technical field of weight monitoring, in particular to an intelligent shot blasting detection system based on a laser radar, which realizes accurate deployment of the solid laser radar at a detection port of a material bin by designing an adjustable clamp comprising a swing bracket and a positioning hole, and realizes accurate shot blasting detection of the material bin by utilizing multi-view scanning of the laser radar based on a multi-view point cloud global registration reconstruction algorithm of the material bin. The method comprises the following steps: building a warehouse body 3D model, solving the problem of point cloud registration in a complex environment, after shot blasting point cloud is collected, extracting a local neighborhood three-dimensional DIP descriptor, performing MNN matching and RANSAC registration, calculating the volume and converting the weight by a voxel method (V = Nv * a3), and transmitting multi-warehouse data to a central platform through an industrial Ethernet so as to realize intelligent system management and control; when the weight of a certain bin reaches a preset threshold value (for example, W is larger than or equal to 0.9 * W and the bin is full), sound-light alarm is automatically triggered, and a storage pause instruction is pushed; and meanwhile, historical data is stored, and supplementation and operation and maintenance decisions are assisted.

To enable accurate acquisition of slab weight information without the need to measure the slab's weight using a weighing machine. [Solution] A weight measuring device 60 for measuring the weight of a slab while it is being transported, comprising: an imaging device 54 for imaging the slab as it is being transported; an image processing unit 62 for performing a projection transformation on the image of the slab obtained by imaging; and a calculation unit 64 for calculating the weight of the slab from the projection transformed image. The slab is produced in a continuous casting machine that generates a continuous cast slab by drawing out molten steel while cooling it, and also cuts the continuous cast slab to a predetermined size. Preferably, the imaging device 54 images the slab as it is being transported from the continuous casting machine toward a heating furnace that heats the slab.

The application discloses a full-metal structure solid-state assembled micro-mass sensor and a preparation method thereof. The sensor comprises a substrate, a Bragg reflection layer, a lower electrode layer, a piezoelectric layer, an insulating layer and an upper electrode layer. The full-metal solid-state assembled micro-mass sensor is constructed by adopting six or eight Bragg reflection layers. The micro-mass sensor can work in the frequency domain and the change of the frequency domain is between 2.28GHz and 2.25GHz by changing the thickness of the upper electrode to simulate the change of the mass load. Meanwhile, the structure design of the application has simple overall process. The ingenious cooperation of the insulating layer, the piezoelectric layer and the upper electrode layer can prevent the faults caused by the slope difference during the deposition, increase the voltage standing wave ratio caused by the change of the thickness and affect the characteristic impedance value, prevent the short circuit of the upper and lower electrodes and affect the measurement, reduce the mass defects, avoid the parasitic effect caused by the excessively large piezoelectric layer and improve the precision and sensitivity of the sensor in the field of the micro-mass sensor.

This application relates to sensor-based material loading detection. A controller can monitor measurements collected by sensors that relate to the properties of a material in a material-bearing component of a machine. The controller can detect changes in these measurements that indicate a change in the loading of additional material onto the material-bearing component. In response to this change indicating the loading of the additional material, the controller can output loading information indicating at least one of the time associated with the loading of the additional material or the location of the machine.

This invention discloses a displacement and mass sensing device and method based on a CrPS4 thin-film mechanical oscillator, comprising: a substrate, a CrPS4 thin film, the substrate including a Si substrate, a SiO2 layer, a Si3N4 layer, and a Ti and Au composite layer; a groove is provided in the middle of the Ti and Au composite layer, the Si3N4 layer, and the SiO2 layer, and an electrode composed of the Ti and Au composite layer is provided at the bottom of the groove; the middle part of the CrPS4 thin film is suspended above the groove; at a temperature of 4K, the CrPS4 thin-film mechanical oscillator has a wide dynamic range of up to 85-93dB and a quality factor of up to 3000-4500, and the displacement and mass sensitivities of the sensing device are 14-18 fm / Hz, respectively. 1 / 2 With a mass of 0.9–1.7 μg, equivalent to the mass of a proton or a hydrogen atom, this opens up possibilities for distinguishing different chemical elements in future inertial mass spectrometry measurements. The ultra-high mass sensitivity CrPS4 mechanical oscillator offers new opportunities for mass spectrometry, magnetometers, and adsorption experiments.

This invention provides a method for detecting the reserves of mountain glaciers, relating to the field of glacier reserve detection technology. The method includes: acquiring multi-source remote sensing data of a target glacier region and performing collaborative preprocessing on the multi-source remote sensing data to obtain glacier boundary information and ice surface velocity field; based on a glacier dynamics physical model, fusing the glacier boundary information and ice surface velocity field, and calculating the glacier thickness distribution using an improved thickness inversion model; calculating the total glacier volume through spatial integration based on the glacier thickness distribution and glacier boundary information, and converting this to the total glacier reserve by combining the average density of the glacier ice; verifying the inverted glacier thickness distribution using measured thickness data independent of the modeling data, and optimizing the model parameters based on the verification results. This invention, through the deep fusion and verification optimization closed loop of multi-source remote sensing data and an improved glacier dynamics physical model, enables efficient and accurate detection of mountain glacier reserves.

The invention relates to the technical field of grain detection, and provides a specific volume scoring system and an operation method thereof, and the system comprises a volume tester which comprises a first ball body, a second ball body, a connecting shaft and a filling medium; a first cavity is formed in the first ball body; a second cavity is formed in the second ball body; the connecting shaft is located between the first ball body and the second ball body and suitable for communicating or separating the first cavity and the second cavity. The electronic balance is used for weighing the mass of an object; and the specific volume scoring digital display instrument is electrically connected with the electronic balance and is configured to calculate the specific volume of the object to be measured based on the mass data weighed by the electronic balance and output a scoring value. According to the specific volume scoring system, flowing of the filling medium can be controlled by rotating the connecting shaft, balance data can be automatically collected, specific volume scoring conversion is carried out, the specific volume scoring value is directly output, operation is easy and fast, the labor intensity and the learning threshold of operators are reduced, and the specific volume scoring system is very suitable for paperless detection scenes.

A system for use in maintaining a pipe (100) includes a motorized apparatus (130; 400) configured to travel along the pipe through the interior cavity (132). A plurality of leg assemblies (146; 416) are coupled circumferentially around a body assembly (142; 402) of the motorized apparatus. The motorized apparatus includes at least one sensor (422) configured to collect information associated with a contact force of at least two of the leg assembly and information associated with the position of at least two of the leg assemblies. A controller (202) is configured to receive the information from the at least one sensor, and determine at least one of a pipe diameter, a gravitational direction, and an orientation of the motorized apparatus based on the information from the at least one sensor, and at least one of a weight and a center of gravity of the motorized apparatus.

Systems and methods are provided for determining the quality of a crop by using at least one X-ray scanner. The method includes obtaining at least two scan images of the crop, wherein a first of the at least two images is obtained along a first plane relative to the crop and a second of the at least two images is obtained along a second plane relative to the crop, and wherein the first plane is angularly displaced relative to the second plane, registering the first and second images, correcting the registered first and second images, and determining the quality of the crop from the corrected first and second images.

An embodiment of the present disclosure provides a Coriolis weighing scale and a weighing method. The Coriolis weighing scale includes a driving portion, the driving portion includes: an outer housing body, an accommodating space being defined inside the outer housing body; a drive motor, having a base and an output shaft member, at least a portion of the drive motor being arranged outside the outer housing body; a motor seat, fixed to the base of the drive motor and having a first shaft hole, the output shaft member running through the first shaft hole; and a bearing support, arranged at an outer side of the motor seat along a radial direction and having a second shaft hole, the motor seat and the bearing support are arranged in the accommodating space, the bearing support is fixed to the outer housing body, the first shaft hole and the second shaft hole are coaxial, a first bearing is provided between a side wall of the first shaft hole of the motor seat and the output shaft member, and a second bearing is provided between an outer wall of the motor seat and a side wall of the second shaft hole of the bearing support.

The invention relates to the technical field of weighing and batching, in particular to an artificial intelligence-based batching and weighing method, which comprises the following steps of: step 1, data acquisition: acquiring image information and characteristic information of an existing material and image information of a to-be-batched material; step 2, model establishment and material identification: establishing a material judgment model, and judging the types and characteristics of the to-be-blended materials by the material judgment model in combination with an artificial intelligence technology; when the image information of various to-be-blended materials is input into the material judgment model at the same time, the release sequence of the to-be-blended materials is determined by the material judgment model; step 3, weighing and mixing the ingredients: putting the materials to be mixed into a mixing device, and carrying out ingredient weighing operation; according to the invention, by establishing the material judgment model, the types and characteristics of the to-be-blended materials can be accurately identified, and the optimal release sequence is determined, so that the blending problem caused by incompatibility or reactivity of the materials is reduced, and the blending safety and efficiency are improved.