44 results about "Volume measurement" patented technology

A gas leakage rate testing apparatus and method for a nonmetal hydrogen conveying pipeline, and a nonmetal hydrogen conveying pipeline volume expansion amount testing method. The gas leakage rate testing apparatus comprises: a test member (1), in which a test cavity (16) adapted to place a pipeline (31) to be tested is formed, wherein a sealed test cavity (11) is formed after said pipeline (31) is placed in the test cavity (16); a calibration cavity (21) selectively communicated with the test cavity (11); a first gas filling assembly (10) selectively communicated with the calibration cavity (21) so as to be adapted to inject gas of a first set pressure into the calibration chamber (21); a measurement unit (9) configured to measure the pressure and temperature in the calibration cavity (21) and the pressure and temperature in the test cavity (11), and calculate the volume of the test cavity (11); and a leakage rate test unit configured to acquire a pressure change value of the test cavity (11) within a preset time interval, and calculate the gas leakage rate of said pipeline (31). The technical problem that gas leakage rate testing is inaccurate due to the measurement of the volume of the test cavity (11) being difficult or inaccurate is solved. In the nonmetal hydrogen conveying pipeline volume expansion amount testing method, after gas leakage rate testing is ended, a measurement unit (9) calculates a second volume of a test cavity (11) on the basis of a second formula, and on the basis of the difference between a first volume and the second volume, calculates the volume expansion amount of a pipeline (31) to be tested.

The present invention provides a method of measuring a volume of a liquid in a sealed container of a breast pump of known volume, where the sealed container comprises a liquid and a gas. The method comprises a measurement phase that measures the volume of the gas in the container by varying a first parameter of the gas by a known amount. The method further includes measuring a change in a second parameter of the gas; calculating the gas volume in the container using the measured variation and a predetermined equation of operation; and determining the volume of liquid in the container based on the calculation result.

The invention discloses a volume calibration device for packaged commodities, which comprises a plurality of sets of parallel volume measuring and adjusting assemblies arranged between a sealing mechanism and a filling mechanism, and the sealing mechanism, the filling mechanism and the volume measuring and adjusting assemblies are arranged on the side edge of the same conveyor; the multiple sets of volume measurement and adjustment assemblies are installed on the same set of supporting frame, and the supporting frame controls the volume measurement and adjustment assemblies to ascend and descend. The volume measuring and adjusting assembly comprises an industrial camera, a liquid injection pipe and two measuring electrodes, the liquid injection pipe and the two measuring electrodes are distributed up and down, and the measuring electrodes extend into the filling bottle and are inserted into liquid; the volume measuring and adjusting assembly is arranged and comprises the two measuring electrodes, the two measuring electrodes are connected with the liquid level detection system in a matched mode through the wires, the distance between the liquid level and the bottle opening of the filling bottle can be detected after the measuring electrodes stretch into the filling bottle by a certain depth and the bottoms of the measuring electrodes are immersed in liquid, and then the volume of the injected liquid is obtained; and determining whether the liquid is lower than the standard volume.

The utility model discloses a blood perfusion device adsorbent filling amount detector, relates to the technical field of perfusion device adsorbent filling amount measurement, and provides the following scheme aiming at the problems that when wet resin is poured into a measuring cylinder in the prior art, the measurement time is long, and the volume cannot be accurately measured: the blood perfusion device adsorbent filling amount detector comprises the measuring cylinder, an empty groove is formed in the measuring cylinder, and the measuring cylinder is used for loading adsorbent particles mixed with liquid; the compaction scale column is connected to the interior of the measuring cylinder, a through groove is formed in the compaction scale column, a water outlet through hole is formed in the lower end of the compaction scale column, a filter screen is connected to the interior of the lower end of the water outlet through hole, and measuring scales are engraved on the periphery of the compaction scale column; according to the utility model, the structure is novel, the adsorbent is rapidly pressed through the self weight of the compaction scale column, and the phenomena of floating and bridging of the adsorbent are avoided, so that the measurement precision is improved.

The invention relates to the technical field of gas disaster prevention and control, and discloses an experiment and calculation method for accurately measuring the initial velocity of coal seam gas diffusion. According to the experimental method, a gas diffusion space volume measurement step is added, a coal sample is loaded into a sample tube and subjected to vacuum degassing, helium with set pressure is introduced into a fixed space, pressure values in different states are recorded, and the volume of the gas diffusion space is accurately calculated in combination with a compression factor solved by a Lee-Kesler equation, so that the volume of the gas diffusion space is calculated. The problem of gas emission space volume inconsistency caused by coal sample physical property difference is solved. The calculation method is optimized, the accurately measured gas emission space volume is included, gas compression factors are considered, a compensation model is established, the idealized hypothesis that gas is regarded as incompressible fluid in a traditional method is broken through, errors caused by volume difference and gas compressibility are corrected, and the gas emission space volume is calculated. The accuracy and reliability of the calculation result of the initial velocity of coal seam gas diffusion are remarkably improved, and scientific data support is provided for coal and gas outburst risk judgment.

The invention discloses a ship cabin volume measurement method and system based on digital twinning, relates to the field of ship cabin volume measurement and monitoring, and is suitable for liquid cargo ship cabin volume measurement and monitoring. Point cloud data of a cabin main body, an additional structure and a deduction structure are obtained through scanning, a digital twin ship cabin capacity system is established, and a ship cabin capacity table and a heeling correction table are obtained through calculation of a cabin capacity calculation model and input into the digital twin ship cabin capacity system. The cabin capacity information can be corrected in combination with the ship cabin capacity table and the heeling correction table, the cabin capacity information is displayed in real time, automatic calibration of the cabin capacity information is achieved, and the ship cabin capacity measurement efficiency and accuracy are improved.

The application discloses a kind of canned solid detection device and method, it is related to food solid detection technical field.The canned solid detection device is used for the detection of canned solid content, including volume measurement container, the opening of the top of volume measurement container is provided with sieve, the opening of the top of volume measurement container is rotatably connected with sieve, the top surface of sieve is provided with weighing device, and the weighing device is used to weigh the weight of solid separated on sieve;The weighing device includes weighing tray, the canned solid detection device and method are rotatably connected with sieve on volume measurement container, and the weighing device perpendicular to sieve is provided on sieve, when weighing solid on sieve, only need to rotate sieve upwards, pour solid on weighing device, and then solid can be weighed.

The invention relates to a method for measuring the volume of a first gas space and / or a second gas space in a gas storage tank (10) with an outer shell (30). In this method, the first gas space (G1), which is delimited by at least one movable membrane (20), is filled with a first gas. The second gas space (G2), also delimited by the at least one movable membrane (20), is filled with a second gas. Once the gas spaces are filled, the position of the membrane (20) separating the first gas space (G1) and the second gas space (G2) is determined. Based on the determined position values, the volume of the first gas space (G1) and / or the second gas space (G2) is calculated. For the position determination, the movable membrane (20) forms a surface that defines a plane (E), wherein the plane (E) is or forms the boundary between the first gas space (G1) and the second gas space (G2).The position of the membrane within the gas storage (10) is also determined with respect to at least one measuring point (M1 / M2), preferably using an optical, mechanical, acoustic and / or electrical measuring method.

The present invention discloses an asymmetric container structure and a rapid volume measurement method thereof; the present invention comprises a fermentation tank, a volume measurement component arranged on the surface of the fermentation tank and a fluid measurement component arranged inside the fermentation tank; the bottom of the fermentation tank is detachably connected to a base; the volume measurement component comprises a connecting plate fixedly connected to the surface of the base; when measuring, a pre-calibration value is obtained by a liquid level meter, the pre-calibration value is the liquid level height input by the liquid level meter; water is added to the container using a flow meter; the accumulated liquid volume of the flow meter is checked at each position where the composition of the components in the tank changes; the data is input into the first to the most groups respectively from least to most; the corresponding record button is clicked after each input; after completing all the data, the system generates a 2-point correction algorithm in each of the two adjacent groups, so that the height can be directly converted into the liquid volume or weight through a fixed formula; the operator is convenient to use, and the convenience of the liquid level meter is increased.

The invention discloses a steam generator water volume measurement method and system, and belongs to the technical field of cavity volume measurement, pulse type water injection is performed on a steam generator cavity, water flow is intermittently impacted and injected into the steam generator cavity at a certain frequency through pulse type water injection, an air film and an air cavity formed by air attached to the corners of the cavity are broken, and the water volume of the steam generator is measured. The air is exhausted out of the cavity, so that the steam generator is effectively filled with the full volume, and the effectiveness of the measured value of the water volume of the steam generator is ensured and the measurement precision is improved; when the amount of water in the cavity is large, the mode of large instantaneous flow is adopted for pumping water, and the pumping efficiency is improved; when the amount of water in the cavity is small, the mode of small instantaneous flow is adopted for pumping water, the measurement precision of the flow in the water pumping process is improved, and then the measurement precision of the second volume is improved.

The present invention generally relates to a container and a liquid or granular powder volume measurement device. A measuring device is transferable between the containers for metering a quantitative dose of liquid.

This invention provides a circulation system and method for volume measurement. The circulation system includes a liquid storage component, a measuring component, a filter component, and a drive pump. The liquid storage component has a storage chamber; the measuring component has a first inlet and a first outlet, the first inlet communicating with the storage chamber, and is used to measure the volume of the measured liquid; the filter component has a second inlet and a second outlet, the second outlet communicating with the storage chamber, and is used to filter the measured liquid; the drive pump is connected to the storage chamber. The liquid storage component in this application has the function of storing the recovered measured liquid for later use, the filter component has the function of keeping the measured liquid clean for recycling, and the drive pump provides a stable power source, realizing integrated recovery and filtration of the measured liquid, convenient operation, and improved working efficiency of the circulation system.

The utility model relates to the technical field of volume detection, and provides a sample volume measuring device which comprises a crane, a first box body and a container, the speed of the crane is adjustable, the crane is used for hoisting a sample and placing the sample in the first box body, and the first box body is provided with a plurality of first valves along the height direction of the first box body; the height of the liquid level in the first box body is equal to that of any first valve, the container is arranged below the first valve, and the container is used for containing the volume of liquid flowing through the first valve and entering the container. According to the measuring device, when the height of the liquid in the first box body is consistent with that of the first valve, a sample is placed in the first box body, redundant liquid is discharged into the container, the volume of the liquid in the container is the volume of the sample, and the volume of the sample can be rapidly obtained; the first box body is provided with a plurality of first valves, different first valves can be opened according to the heights of the samples, the volumes of the samples with different heights can be measured, and the application range of the measuring device is widened.

The application provides a volume measuring device and a volume measuring method of a heat exchanger of a dilution refrigerator, and relates to the technical fields of volume measurement and dilution refrigerator. The volume measuring device comprises a reference container, a pressure regulating assembly, a first valve and a pressure gauge. The reference container is used for connecting a to-be-measured container and has a first cylinder and a second cylinder which are slidably connected with each other, and the second cylinder is suitable for reciprocally sliding relative to the first cylinder in an axial direction to change the volume of the reference container. The pressure gauge is suitable for measuring the internal pressure of the reference container. The first valve is arranged between the reference container and the to-be-measured container. The pressure regulating assembly adjusts the pressure in the reference container and the to-be-measured container to a reference pressure and closes the first valve in response to the first valve being initially opened; then adjusts the pressure of the reference container to a first pressure and opens the first valve again, so that the pressure gauge reading decreases to a second pressure; and then drives the second cylinder to slide towards the first cylinder until the pressure gauge reading returns to the first pressure.

The present application relates to a kind of method and system for determining the volume of pipeline according to pipeline length and pipeline diameter, comprising the following steps: obtaining multiple first arm length and multiple second arm length after rotating preset number of times according to preset degree of rotating arm;For each rotation, construct coordinate system according to coordinate origin, first arm length and second arm length, and determine the first coordinate point corresponding to the first arm length and the second coordinate point corresponding to the second arm length according to the coordinate system;According to each first coordinate point and each second coordinate point, the local diameter corresponding to the local position of pipeline is obtained;The local diameter corresponding to each axial measurement position is obtained;Determine the pipeline diameter of pipeline according to each local diameter;The pipeline length of pipeline is obtained by stretch line displacement sensor;According to pipeline length and local diameter, the volume of pipeline corresponding to pipeline length is determined.The problem that the volume measurement environment of existing pipeline is high and low in precision is solved.

The utility model relates to the technical field of air volume measurement, in particular to a bottle top air volume measuring device of a flexible package infusion plastic bottle. The flexible package infusion plastic bottle top air volume measuring device comprises a water tank, a measuring cylinder is arranged in the water tank and connected with the top of a flexible package infusion plastic bottle through a hose, and a manual adjusting clamp first-level clamping plate and a manual adjusting clamp second-level clamping plate are arranged on the two sides of the flexible package infusion plastic bottle. And a tightening shaft is connected between the manual adjusting clamp primary clamping plate and the manual adjusting clamp secondary clamping plate. And the measuring cylinder is inversely arranged in water in the water tank. According to the device, the measuring cylinder, the manual lifting frame, the manual adjusting clamp first-stage clamping plate and the manual adjusting clamp second-stage clamping plate are used in cooperation, a flexible package infusion plastic bottle is compressed, gas in the flexible package infusion plastic bottle is guided into the measuring cylinder, and then the liquid level in the measuring cylinder is adjusted through the manual lifting frame to be flush with the liquid level of a water tank on the outer side; and the read scale is the volume of the gas above the flexible package infusion plastic bottle, so that the accuracy of gas extraction is greatly improved.

The invention relates to the technical field of density (and volume) measurement of objects, and particularly provides a density measurement device and method for irregular solids based on liquid level height, and the method comprises the following steps: determining a first distance between a distance detection part and a floater part under the condition that a to-be-measured object is not placed; determining a second distance between the distance detection part and the floater part under the condition that the object to be detected is placed in the containing space of the floating container; under the condition that the to-be-detected object is directly placed in the second container, determining a third distance between the distance detection part and the floater part; and determining the density of the object to be measured according to the first distance, the second distance and the third distance. With such a configuration, it is possible to determine the density of an object to be measured having an irregular shape on the basis of the change in the liquid level (the height of the float portion changes with the change in the liquid level).

The invention provides a digital metering algorithm for the volume of a horizontal oil tank, and relates to the technical field of volume measurement of horizontal oil tanks. The digital measurement algorithm for the volume of the horizontal oil tank comprises the following measurement steps: step 1, data management, step 2, rotation axis calculation, step 3, data segmentation, step 4, shape fitting, step 5, tank body correction, step 6, volume calculation, step 7, model generation, and step 8, volume table generation. According to the method, the function of automatically generating the oil tank volume table through photoelectric geometric measurement data of horizontal oil tanks with different barrels and end sockets can be achieved, and a model capable of reversely resolving geometric dimension parameters of the horizontal tanks through a small number of data pairs meeting specific conditions and then generating the complete volume table is established; daily input, sale and storage data of a petrol station of a petrochemical sales system and data of a liquid level instrument system are directly used for horizontal metal tank calibration, and the precision error of the calibrated horizontal metal tank is lower than 0.2%.

The invention relates to the technical field of volume measurement, and discloses a lifting adjusting type measuring cup metering machine which comprises a supporting connecting column, the ground, a metering barrel, a fixed bearing and a discharging opening. Wherein the metering barrel is in a barrel shape and is provided with an opening in the axial direction, a supporting connecting column, a supporting limiting column and a rotating motor are fixedly installed on the upper surface of the ground, a power transmission rod is movably installed on the upper surface of the ground, and a limiting fixing ring is coaxially and fixedly arranged on the inner wall of the end, away from the opening, of the metering barrel; the core problems that traditional measuring cup metering equipment is poor in universality and tedious in adjustment are effectively solved, the flexibility and accuracy of material metering are remarkably improved, the lifting adjusting structure is driven by the servo motor, a measuring cup assembly does not need to be replaced, the cost is reduced, and the working efficiency is improved. The coincidence volume of the storage metering cup and the lifting metering cup can be flexibly changed, the metering requirements of materials of different specifications are met, the production changing efficiency is greatly improved, and the flexible production concept is met.

This invention proposes an excavated soil volume measurement system and method that can accurately determine the weight, volume, and specific gravity of excavated soil generated in a slurry pressure balance shield tunneling system at an appropriate time. [Solution] The excavated soil volume measurement system 1 includes a screw conveyor 3 that discharges excavated soil from the chamber 24 of the shield machine 2, a soil pumping pipe 4 connected to the screw conveyor 3, a hopper 5 located outside the shaft into which the excavated soil transported via the soil pumping pipe 4 is fed, a weighing scale 51 that measures the weight of the hopper 5, and a three-dimensional measuring device 8 that measures the shape of the hopper 5 from above.

The utility model relates to the technical field of aquatic organism measurement, and discloses a measuring device for measuring the fatness of shellfish based on liquid volume, which comprises a base, the top of the base is provided with a containing groove, the top of the containing groove is fixedly connected with a bearing box, the bearing box is internally provided with a measuring assembly, and the measuring assembly comprises a weighing tray. A measuring cup is arranged above the weighing tray, a flow gathering device is arranged at the top of the measuring cup, a storage barrel is arranged at the top of the flow gathering device, and fixing assemblies are arranged on the outer wall of the storage barrel and the outer wall of the flow gathering device. According to the device, water is added into the storage barrel, shellfish is placed in the storage barrel, the total volume data M1 is measured through the weighing tray, the shellfish is dissected to reserve the volume M2 of an empty shell and the volume M3 of shellfish meat soft bodies, the mass of equivalent-volume water is measured and converted into shell cavity volume M0 data, the fatness degree is calculated according to a formula, the problems that a traditional method is tedious in measurement and large in error are solved, and the detection efficiency and accuracy are improved.

The invention relates to the technical field of funnel volume measurement of funnel breasts, in particular to a method for measuring the funnel volume of a newborn false funnel chest, which comprises the following steps of: filling and leveling up a sunken part of newborn PPE by using ultra-light clay, so that the surface of the ultra-light clay is flat and is flush with the thorax around a funnel; adding water into the measuring cylinder, and recording the initial volume of the water in the measuring cylinder; the ultra-light clay for filling and leveling is taken out and placed at the bottom of the measuring cylinder, and the volume of the rising water level in the measuring cylinder is the volume of the funnel; the step S1 and the step S2 are repeated for three times, and the average value of the three funnel volumes is the final funnel volume. The method is intuitive and accurate in result, non-invasive, non-toxic, non-radiative, simple to operate, less in time consumption, good in repeatability, less in material consumption, low in price, capable of being operated beside a bed and free of transfer, and overcomes the defects that a traditional PE evaluation method is complex to operate, long in time consumption, high in examination cost, invasive (X-ray radiation), needs to transfer a sick child, and the like. And the accuracy of the result is influenced by the technology and experience of the inspector.

The embodiment of the invention discloses a liquid detection calibration method, a liquid volume detection method and device, a fertilization system and a medium, and relates to the technical field of equipment control. The method comprises the steps that the calibration flow of calibration liquid injected into a target container is obtained; in the process of injecting the calibration liquid into the target container, multiple groups of different calibration data are obtained, and each group of calibration data comprises the calibration liquid level height in the target container; and establishing a calibration mapping relation between the liquid level height and the liquid volume in the target container according to the calibration flow and the multiple groups of calibration data. According to the technical scheme, the calibration liquid is injected into the target container according to the calibration flow, the multiple sets of calibration data including the calibration liquid level height are obtained in the calibration liquid injection process, and then the calibration mapping relation between the liquid level height and the liquid volume in the target container is established according to the calibration data; accurate detection and calibration of liquid in a container with unknown liquid volume metering can be realized.

The invention relates to the technical field of gas measurement, and provides a gas volume measuring device and method. The invention provides a gas volume measuring device and a gas volume measuring method, which are used for solving the technical problems of low gas volume measuring efficiency and large measuring result error of a drainage method in the prior art. The gas volume measuring device is used for measuring the volume of gas in a gas bag and comprises a first measuring container, a second measuring container, a conveying unit, an exhaust unit and a gas path switching unit, the first measuring container is communicated with the second measuring container; the conveying unit is communicated with the air bag, the first measuring container and the second measuring container; the exhaust unit is connected with the first measuring container and the second measuring container; and the gas path switching unit is connected with the conveying unit.

The present disclosure relates to a system and to a method for calibrating Brix in a liquid, sap, syrup or taffy. The system comprises: a tank for receiving a volume of the liquid; a temperature reading apparatus for measuring a temperature of the liquid; a weighing apparatus for measuring a weight of the volume of liquid received in the tank; a volume measurement system for measuring the volume of the liquid received in the tank; an evaporator comprising a plurality of water injectors for spraying water, and a computer operatively connected to the apparatuses and using the data received from the same to calibrate the Brix in the liquid. The method comprises providing the Brix calibrating system; measuring the Brix, temperature, weight, volume, and determining the Brix measurement based on the data received and using the computer to adjust the Brix by actioning the evaporator or the water injectors.

This invention provides a method for measuring the volume of liquid in a metering tank and a metering tank. The method includes: pouring a first liquid into the metering tank until the liquid level of the first liquid is a target liquid level within a target range; the relationship between the volume and the liquid level within the target range is a preset linear model; pouring out a second liquid from the target range, and determining the volume of the first liquid according to the preset linear model. The solution of this invention solves the problem of low accuracy in volume measurement results of the metering tank, reduces the influence of irregular internal components in the metering tank on volume measurement, and can effectively improve the uncertainty, accuracy, and stability of volume measurement in the metering tank.

The invention discloses a three-dimensional reconstruction method and a volume measurement method for expansive high polymer slurry based on Lidar point clouds, and the three-dimensional reconstruction method comprises the following steps: placing a container filled with slurry on a table top, and collecting three-dimensional point cloud data of the liquid level of the slurry and the table top by a sensor; performing rotation correction on the obtained point cloud data by taking the table top point cloud data as a reference plane; projecting the liquid surface point cloud to a two-dimensional plane, fitting an outer boundary based on convex hull boundary points and the shape of the container, and aligning the height of the outer boundary with an actual liquid surface point cloud height value to reconstruct a liquid surface outer boundary; generating a complete three-dimensional model by combining geometric information of the bottom surface and the side wall of the container based on the point cloud data of the liquid level and the outer boundary; the volume measurement method is based on a three-dimensional reconstruction method, and further comprises the steps of accumulating the volumes of the triangulation volume units and calculating the total volume of slurry; according to the method, the real three-dimensional shape of the slurry can be directly obtained, errors caused by model hypothesis are avoided, and the accuracy of volume measurement is improved.

The application relates to the technical field of volume measurement, and discloses a liquid level metering device of a water tank of an underwater vehicle, which comprises a shell, a supporting mother plate, a power supply filter, a power supply circuit board and a control circuit board. The power supply circuit board and the control circuit board are detachably connected with the supporting mother plate. A power supply loop is arranged on the power supply circuit board, and a control loop is arranged on the control circuit board. When the liquid level metering device is in a working state, the power supply filter, the power supply loop, the control loop, a self-checking switch and an operating state indicating lamp form a series system. The average failure interval time of the liquid level metering device is determined based on the reciprocal of the device failure rate, and the device failure rate is obtained by summing the component failure rates of each component in the liquid level metering device. Therefore, the reliability and the precision of the liquid level metering device of the water tank of the underwater vehicle under extreme conditions are improved, and the stability and the controllability of the underwater vehicle are further ensured.

The invention discloses a container volume measuring device based on pressure detection, and relates to the technical field of volume measurement. The precision problem is solved. The device specifically comprises a base, the top of the base is provided with a conveying mechanism used for conveying and supporting container products, a portal frame is fixed to the outer wall of the top of the base through bolts, and the inner side of the top of the portal frame is in lifting transmission fit with a measuring mechanism through a lifting mechanism. On the basis of an ideal gas state equation, an opening of a container is sealed, then gas is supplied into the container, and the volume of the container is calculated in the modes of temperature monitoring, gas inflow monitoring and gas pressure monitoring, so that application of a standard volume is eliminated, the measurement precision is improved, and meanwhile, the measurement accuracy is improved for containers with different volumes. The proportion of the air supply quantity to the volume of the container can be reduced through different air supply quantity forms, errors are further reduced, and the method can be suitable for volume measurement of any regular or irregular open container.

This invention discloses a closed container volume measurement device and method based on the working principle of the "PVTt method gas flow standard device," belonging to the field of volume measurement technology. It solves the problems of long detection time, high cost, or complex measurement steps in existing geometric measurement methods and volume comparison methods for volume verification. The device includes a pressure-stabilized gas source connected to a measurement component. The pressure-stabilized gas source fills the container under test with gas. The measurement component includes flow, pressure, and temperature sensors to measure the mass flow rate of the gas filled in over a period of time, as well as the pressure and temperature changes of the filled gas, and calculates the volume of the container under test. This simplifies the detection operation and avoids environmental pollution from the water used in the detection process.