50results about "Weighing apparatus" patented technology

This measurement device 1 measures a parameter of a sheet-shaped object S, and is provided with: a pair of sensor heads 20 that scan the object S while horizontally moving while facing each other so as to be separated from each other; a support body (10) that supports the pair of sensor heads (20) so as to be horizontally movable; and an electric fitting unit (30) that controls the measurement of the parameter by the sensor head (20), the electric fitting unit (30) being capable of changing the configuration to either a first position (P1) on one side of the support body (10) or a second position (P2) on the other side in accordance with the installation location of the measurement device (1).

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 balancing weight plug pin comprises a handle, a plug pin body, a circuit board assembly and a weighing or bending sensor, the plug pin body extends outwards from the handle and can be inserted into an inserting hole of a balancing weight, the circuit board assembly is arranged on the handle, and the weighing or bending sensor is arranged on the circuit board assembly. The weighing or bending sensor is arranged on the bolt, and the weighing or bending sensor is connected to the circuit board assembly. When a user uses the weight-bearing fitness equipment assembled with the balance weight assembly for fitness, the balance weight bolt can determine the load according to the resistance value fed back by the weighing or bending sensor so as to be used for monitoring the fitness process of the user.

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 present invention relates to an automatic control system for a backward flow forming process, the automatic control system including: a mandrel (10) for concentrically supporting a material (12); a forming member (20) including a plurality of forming rollers (22) disposed at a periphery of the mandrel (10), in which each of the forming rollers (22) includes a motion device; a detection member (30) for detecting a signal associated with a motion of the forming member (20) corresponding to the material (12); and a controller (40) for controlling the forming roller (22) to induce a variation in a depth at at least two set points while transferring the forming roller (22) backward. Accordingly, a length deviation caused by a variation in a thickness is prevented in a backward flow forming process of a workpiece to produce a product in which a thickness of a portion of the product varies.

The utility model provides a weighing sensor matching device, which comprises a bracket and a circuit board, and is characterized in that the bracket is provided with a first fixing table and a second fixing table, and the first fixing table and the second fixing table are respectively used for fixing a first weighing sensor and a second weighing sensor to be matched; the circuit board is arranged on the support, a first resistor, a second resistor, a voltmeter interface, a power interface and a sensor interface are arranged on the circuit board, and the resistance values of the first resistor and the second resistor are equal; the first resistor is located in the first branch circuit, the second resistor is located in the second branch circuit, the voltmeter interface comprises a voltmeter positive electrode interface and a voltmeter negative electrode interface, and the voltmeter positive electrode interface and the voltmeter negative electrode interface are located between the resistors and the weighing sensors on the branch circuits respectively. According to the weighing sensor matching device provided by the invention, the Wheatstone bridge principle is utilized, the matching precision of the weighing sensor is improved, and the metering precision of the electronic belt scale after the weighing sensor with high matching precision is replaced is higher.

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 present invention relates to a low-power electronic scale. When the PGBA module works in the first state, it processes the initial electrical signal to obtain a first processing signal, and transmits the first processing signal to the first ADC module; the first ADC module detects and obtains a first pressure value according to the first processing signal, and transmits a first control signal to the controller when the first pressure value is greater than a first threshold value; after receiving the first control signal, the controller controls the PGBA to work in the second state, and controls the first ADC to be turned off and the second ADC to work; when the PGBA module works in the second state, it processes the initial electrical signal to obtain a second processing signal, and transmits the second processing signal to the second ADC module; the second ADC module obtains a weighing result according to the second processing signal. The present invention can greatly reduce the power consumption of the electronic scale.

A method for operating a liquid droplet dispensation system is provided. The method includes dispensing a first droplet of a first fluid sample from a reservoir at a first pressure, measuring a first velocity of the first droplet, and measuring a first mass of the first droplet. The method further includes dispensing a second droplet of the first fluid sample from the reservoir at a second pressure, measuring a second velocity of the second droplet, and measuring a second mass of the second droplet. The method further includes dispensing a droplet of a second fluid sample from the reservoir at a third pressure, measuring a third velocity of the droplet of the second fluid sample, and determining a mass of the droplet of the second fluid sample based upon the first, second and third velocities, the first, second and third pressures, and the first and second masses.

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 an object mass measurement method, medium and system, and the method comprises the steps: obtaining a to-be-measured object image, and carrying out the recognition of the to-be-measured object image, so as to obtain an object type corresponding to a to-be-measured object; obtaining a to-be-measured object surrounding video, and generating an initial three-dimensional model corresponding to the to-be-measured object based on the to-be-measured object surrounding video; obtaining a group photo image of the to-be-measured object and the reference object, and calculating a corresponding zoom factor based on the group photo image; scaling the initial three-dimensional model based on the scaling factor to obtain a real-scale three-dimensional model of the to-be-measured object; and obtaining the object density according to the object category, calculating the model volume corresponding to the real-scale three-dimensional model, and calculating the mass of the to-be-measured object according to the object density and the model volume. The object mass can be effectively measured, and the convenience of object mass measurement is 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.

A method of estimating an electrode density in secondary batteries according to one or more embodiments of the present disclosure includes: preparing an electrode comprising a current collector and first and second coating layers coated on the current collector; measuring first characteristic values of the electrode; removing the first coating layer of the electrode; measuring second characteristic values of the electrode from which the first coating layer has been removed; removing the second coating layer of the electrode from which the first coating layer has been removed; measuring third characteristic values of the electrode from which the first and second coating layer have been removed; and estimating at least one of a density of the first or second coating layer, a thickness of the current collector, or a weight of the current collector, based on the first characteristic values, the second characteristic values, and the third characteristic values.

The purpose of the present invention is to facilitate confirmation of whether or not repeated computations have been processed normally. This workpiece mass estimation device is a device for a machine. The machine includes a motor that drives a workpiece loading unit and a sensor that detects the state of the motor. The workpiece mass estimation device is provided with an identification unit, a storage unit, an estimation unit, and a display. The identification unit: identifies the value of a physical parameter of a driven body driven by output of the motor on the basis of the state of the motor detected by the sensor; and continues to update the identified value through repeated computation. The storage unit saves the value of the physical parameter being updated. The estimation unit estimates the mass of a workpiece on the basis of the final value of the physical parameter being updated. The display displays a graph indicating the course of the values of the physical parameter on the basis of data saved in the storage unit and displays the mass estimated by the estimation unit.

Methods, systems, and apparatus, including computer programs encoded on computer-storage media, for fish weight estimation based on fish tracks identified in images. In some implementations, a method includes obtaining images of fish enclosed in a fish enclosure, identifying fish tracks shown in the images of the fish, determining a quality score for each of the fish tracks, selecting a subset of the fish tracks based on the quality scores, determining a representative weight of the fish in the fish enclosure based on weights of the fish shown in the subset of the fish tracks, and outputting the representative weight for display or storage at a device connected to the one or more processors.

A device includes a sensor including an emission unit which emits ultrasonic waves and a reception unit which receives the ultrasonic waves, the emission unit and the reception unit being arranged opposite each other across a conveyance path through which a recording material is conveyed, an instruction unit which supplies, to the emission unit, a first drive input or a second drive input larger than the first drive input, and a detection unit which detects information about a grammage of the recording material based on a first value obtained by the reception unit receiving ultrasonic waves emitted from the emission unit with the first drive input supplied thereto and coming not through the recording material and a second value obtained by the reception unit receiving ultrasonic waves emitted from the emission unit with the second drive input supplied thereto and coming through the recording material.

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.

A magnetized weight and distance measuring assembly and method for demonstrating the inverse square law of magnetism by displaying a change in distance between magnets after applying a weighted member to one of the magnets includes a base and a base magnet mounted the base. A shaft is coupled to the base, and a shaft magnet is mounted to the shaft and is moveable along the shaft when the shaft magnet repels away from the base magnet by a magnetic force. A tube is attached to the shaft magnet to define a receptacle. The receptacle receives a plurality of weighted members, wherein the magnetic force opposes a gravitational force of the receptacle and weighted members such that the receptacle moves upwardly along the shaft when the receptacle receives the weighted members. A plurality of graduation markings is positioned on a panel extending upwardly from said top surface of the base.

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.

The invention discloses a device and a method for detecting heat of dried vegetables and fruits, relates to the technical field of heat measurement, and is simple to operate, high in detection speed and cost-saving. More comprehensive reference is provided for consumers, and the consumers can make more scientific and reasonable diet choices; a detection result can be visually presented, and a user can quickly understand and apply data. According to the scheme, a weighing module is used for obtaining the weight of to-be-measured dried vegetables and fruits; the moisture detection module is used for acquiring the moisture content of the to-be-detected dried vegetables and fruits; the component detection module is used for detecting the content of each nutritional component of the to-be-detected dried vegetables and fruits; the dry basis heat calculation module is used for calculating the dry basis heat of the dried vegetables and fruits to be measured; the total heat calculation module is used for calculating the total heat of the to-be-measured dried vegetables and fruits according to a preset dried vegetable and fruit heat model; and the display module is used for displaying the weight, the moisture content, the dry basis heat and the total heat of the to-be-detected dried vegetables and fruits. The device is used for detecting the heat of the dried vegetables and fruits.

The invention relates to the technical field of current detection, and discloses a current detection control circuit and method of a food processor and the food processor. Voltage provided by an alternating current power supply is divided through a voltage division circuit; the voltage output by the voltage division circuit is detected through the load current detection circuit, the detected voltage is fed back to the control chip, the load current of the motor load is detected through the control chip according to the voltage, and the load current is used as a prediction basis of the weight of food placed in the food processor. The circuit designed in the scheme can carry out voltage drop on the voltage provided by the voltage division circuit for the alternating current power supply and then detect the load current of the motor through the current detection circuit and the control chip, the load current can be accurately detected, and accurate prediction of the food weight is facilitated; and the limitation on the input voltage can be reduced through the voltage division circuit, so that the reduction of the production cost of the product is facilitated, the components can be flexibly replaced, and the working requirements of different loads are met.

The invention provides a material detection device and a control method thereof, and relates to the technical field of automation, the material detection device comprises a brake component and an ultrasonic component, the brake component acts on a carrier, the carrier is used for accommodating a to-be-detected material, and the ultrasonic component is arranged on the opposite side of the to-be-detected material; the control component is used for controlling the brake component to drive the carrier to move so as to enable the surface of the to-be-detected material in the carrier to be smooth, controlling the ultrasonic component to emit an ultrasonic signal towards the surface of the to-be-detected material, and determining the information of the to-be-detected material according to an echo signal reflected by the surface of the to-be-detected material. The ultrasonic part is used for detecting the height, distance and the like of the to-be-detected material, so that the complexity and the cost of the detection device can be effectively reduced, and the influence of the material, the color, the environment illumination intensity and the like of the to-be-detected material is avoided. And the surface of the to-be-detected material is flattened and then ultrasonic detection is carried out in cooperation with a brake component, so that the detection precision is improved, and accurate detection information is obtained.

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.

A method of estimating an electrode density in a secondary battery according to one or more embodiments of the present disclosure includes: preparing an electrode including a current collector and a first coating layer and a second coating layer coated on the current collector; measuring a first characteristic value of the electrode; removing the first coating of the electrode; measuring a second characteristic value of the electrode from which the first coating has been removed; removing the second coating layer of the electrode from which the first coating layer has been removed; measuring a third characteristic value of the electrode from which the first coating and the second coating have been removed; and estimating at least one of a density of the first coating layer or the second coating layer, a thickness of the current collector, or a weight of the current collector based on the first characteristic value, the second characteristic value, and the third characteristic value.