47 results about "Level measurement" patented technology

The invention discloses an underwater leveling measurement control method and system and a leveling ship with the underwater leveling measurement control system. The method comprises the steps that S100, a tide gauge station is arranged near an engineering project point, and pressure sensors are arranged on the tide gauge station, oil cylinder supporting legs and a leveling hopper respectively; s200, the pressure of a pressure sensor in the tide station is measured, the water depth of a pressure measuring point is calculated, and the water depth is converted into the elevation; s300, the pressure of pressure sensors on oil cylinder supporting legs and the leveling hopper is measured, and smooth filtering processing is conducted on data; s400, the depth of an oil cylinder supporting leg is calculated, the stroke of the oil cylinder supporting leg is adjusted, and the leveling frame is leveled; s500, the depth of the leveling hopper is calculated, and the elevation of the leveling hopper is calculated according to the elevation calibrated in the tide station; and S600, the elevation of the leveling hopper is compared with the designed elevation, and the stroke of the leveling hopper is adjusted to the designed elevation. The gravel leveling elevation error does not exceed the design requirement, and the elevation of the leveling hopper opening of the underwater bottom-supported leveling frame is accurately measured.

The invention relates to the technical field of indoor decoration measuring equipment, in particular to a horizontal measuring device for indoor decoration, which comprises an instrument body, a groove for mounting a rail seat is formed in the surface of the bottom end of the instrument body, and a guide rail is mounted on the inner side of the rail seat in a clamping manner; a ruler body used for indoor decoration level measurement is integrally constructed at the end, away from the instrument body, of the guide rail. In the process of indoor decoration, when the flatness of a wall surface is measured by utilizing horizontal measuring equipment, the ruler body and the instrument body can be conveniently connected with each other, and the rail seat in the groove at the bottom of the instrument body can be mutually clamped and connected with the guide rail at the top of the ruler body, so that the instrument body can be mounted on the periphery of the ruler body, the measuring end of the instrument body can be conveniently extended, and the measurement accuracy of the instrument body is improved. Therefore, the instrument body can measure the levelness of a large-span and large-area wall surface.

Computing Apparatus for Real-Time Groundwater Level Measurement and Analysis

The utility model discloses a riverway water level measuring device, which relates to the technical field of riverway water level measurement and comprises a base, a supporting rod is fixedly mounted on the upper side of the base, a rotating groove is formed in one side of the supporting rod, a rotating assembly is arranged in the rotating groove, and a cross rod is mounted on the supporting rod through the rotating assembly. A sliding groove is formed in the surface of the transverse rod, an adjusting assembly is installed in the sliding groove, an adjusting motor and a worm wheel are started through a controller to drive a rotating shaft to rotate, the rotating shaft drives a rotating rod to rotate, and therefore angle adjustment in the vertical direction is conducted on the transverse rod, and then a rotating motor and a rotating block are started through the controller to drive the transverse rod to rotate. And the distance of the ultrasonic water level gauge is adjusted through the adjusting assembly to measure the water level of the river channel, and the problem that due to the fact that the device inclines, measurement data are inaccurate is solved.

The utility model discloses a leveling device capable of conveniently adjusting an observation distance, and relates to the technical field of elevation measurement, the leveling device comprises a leveling instrument with an adjusting seat at the bottom, and three supporting legs are rotatably connected to the peripheral side of the lower surface of the adjusting seat. Through cooperative arrangement of the sliding rod, the adjusting pipe, the linkage rod, the connector, the inner screw ring and other structures, when the supporting legs are unfolded for measurement, the adjusting pipe slides to the bottom end of the sliding rod to be in screw joint with the inner screw ring installed at the bottom end of the sliding rod, the whole device is supported from the peripheral side, the stability of the whole device during measurement is improved, and when a user needs to replace a reference point for measurement, the user can conveniently carry out measurement. A connector is in threaded connection with an inner threaded ring installed at the top end of a sliding rod through an adjusting pipe, three linkage rods are made to pull and fix three supporting legs correspondingly, it is prevented that when a user transfers the whole device, the supporting legs are unfolded, the user is prevented from moving the measuring device, and it is avoided as much as possible that existing measuring equipment is inconvenient to operate in the circulating unfolding and folding process; and the user is inconvenient to move the whole equipment.

A system for determining vessel fill percentages using sensor technologies. The system receives a sensor type selection through a graphical user interface at a client device, displays a request for vessel configuration information based on the selection, and configures a lookup table using the received configuration data. When measurement data is received from the sensor device, the system determines the vessel's fill percentage by applying the lookup table to transform raw sensor readings into accurate fill levels, then displays the fill percentage with a vessel identifier. The system accommodates various vessel shapes, dimensions, and configuration parameters including strapping charts, while supporting multiple measurement data types such as distance, pressure, temperature, voltage, current, and magnetic flux. This unified framework enables standardized monitoring across vessel types through a single interface.

The invention belongs to the field of groundwater level measurement, and specifically relates to an experimental device for the response of groundwater level changes to ecological environment, comprising a shell, an underground environmental experiment box is fixedly connected to the bottom end of the inner wall of the shell, a first water tank is fixedly connected to the bottom end of the inner wall of the shell located on the side of the environmental experiment box, a first pump body is fixedly connected to the side end of the first water tank, a liquid outlet pipe is fixedly connected to the first pump body, a first liquid distribution pipe is fixedly connected to the end of the liquid outlet pipe, a liquid inlet pipe is equidistantly fixedly connected to the first liquid distribution pipe, the liquid inlet pipe is connected to the underground environmental experiment box, a liquid outlet pipe is fixedly connected to the side end of the underground environmental experiment box, a second flow meter is arranged on the liquid outlet pipe, a partition is arranged near the upper part of the shell, two fans are fixedly connected to the partition, the groundwater depth in the underground environmental experiment box can be measured in real time by the groundwater level measuring device, the position of the floating permanent magnet is measured by a position sensor, and the groundwater depth in the underground environmental experiment box can be monitored in real time.

The utility model provides an underground water level measuring auxiliary device. The underground water level measuring auxiliary device comprises a support, a winding shaft, a measuring belt and a balancing weight. The support is provided with a supporting arm, and the supporting arm is provided with a through hole and a centering component. The winding shaft is rotationally arranged above the supporting arm and connected with a rotation driving component. The measuring tape is wound on the winding shaft, passes through the through hole, extends out and is connected with a floating block; a locking structure is arranged between the balancing weight and the supporting arm; a groove is formed in the upper side surface of the floating block, so that when the balancing weight applies pressure to the groove, the floating block can sink into water and collect an underground water sample. Meanwhile, the rotation of the winding shaft is controlled by rotating the driving component, and the underground water level depth can be measured while sampling is completed in cooperation with the control of an operator on the straightening degree of the measuring belt. According to the underground water level measuring and taking auxiliary device, underground water level depth measurement and underground water sampling can be rapidly completed, the number of tools needing to be carried by operators is reduced, and the execution efficiency of underground water level measuring and taking operation is ensured.

The utility model relates to the technical field of levelness measurement, and discloses a levelness measurer for building supervision, which comprises a machine body, an upper base is fixedly connected to the middle of the bottom of the machine body, a first connecting block is fixedly connected to the middle of the bottom of the upper base, and a limiting column is fixedly connected to the middle lower end of the outer wall of the first connecting block. A groove fixing ring is rotationally connected to the bottom of the outer wall of the limiting column, a long-strip-shaped hole is formed in the middle end of the outer wall of the groove fixing ring, a lower base is fixedly connected to the middle of the bottom of the groove fixing ring, and a second spring is fixedly connected to the middle of the top end of the lower base. According to the device, the screw is unscrewed, the machine body is pressed down to drive the upper base to move downwards, at the moment, the limiting columns are pressed down, the machine body is rotated, at the moment, the limiting columns rotate from the two sides of the groove fixing ring, then the machine body is taken up, and at the same time, the limiting columns leave the groove fixing ring, so that the effects that the base is collided and damaged after long-time use, and the base is replaced are achieved.

The present invention discloses a quick-positioning level measuring device for assembled buildings, which belongs to the technical field of level measuring, and comprises a protection box, a top cover is installed on the top of the protection box by hinges, an observation window is arranged on the outer surface of the protection box, a driving assembly is arranged inside the protection box, a moving block is movably installed on the lower end of the driving assembly, and two angle rulers are fixedly installed on the bottom of the moving block; in the present invention, an auxiliary positioning mechanism is arranged in the vertical direction, and through this design, the overall structure is easy to level, and the device can be applied to inclined installation surfaces of different degrees, and the leveling of the level measuring assembly can still be achieved without affecting the use of the device, and at the same time, it can assist the device to be quickly positioned without unnecessary operation, which is convenient and effective, and can utilize wind force in a strong wind environment, further improve the stability of the device, and greatly improve the actual application effect of the device.

The invention relates to a method for defining a fill level measurement range (0 (%)-100% / Lmax) for a travel time-based measurement of a fill level (L (%)) in a container (3). The method is based on placing a travel time-based filling level measuring device (1) at the upper end region of the container (3) and measuring the distance (d0) to the container floor when the container (3) is empty. In this way, the fill level measurement range (0 (%)-100% / Lmax) can be relatively and absolutely defined, the limit of the measurement range (0 (%)-100% / Lmax) being determined on the basis of the measured distance value (d0). Limited as the lower limit (0 (%)) is the measured distance value (d0). In the case of a relative measurement range (0%-100%), the measurement range upper limit (100%) can be defined by multiplying the measurement distance value (d0) by a previously determined factor (x) of maximum 1. It is advantageous in the method that the fill level measuring device (1) can be used without calibration and without knowledge of the geometry inside the container (3).

This invention provides a level gauge for hazardous chemical storage tanks, relating to the technical field of level measurement equipment. It includes a measuring mounting component with a drive control component mounted on it. The drive control component controls and isolates the measured liquid level. A sealing control component is mounted at the bottom of the measuring mounting component, protecting it. A safety ventilation component is mounted on the measuring mounting component to prevent moisture absorption. A heating guide component is mounted at the bottom of the measuring mounting component. The use of a drive control component in conjunction with the sealing control component facilitates the sealing of the level gauge body, preventing corrosion of the probe at the bottom of the level gauge body by volatile gases when not measuring, thus extending the service life of the level gauge body. This solves the problem that current level gauges for hazardous chemical storage tanks are not convenient for automatic control of sealing and protection after level measurement, and also lack the convenience of auxiliary ventilation to release small amounts of residual volatile gases.

The utility model belongs to the field of detection instrument installation, and relates to a material level measurement integrated device, which comprises an installation connecting part, a material level measurement device and a material level measurement device, and is characterized in that the installation connecting part is detachably connected with an installation beam of an ore storage bin; the mounting connecting part comprises a connecting part body, and a connecting concave part matched with the mounting beam is formed on the connecting part body; the level connecting frame is used for mounting a level meter; and the material level connecting frame is movably connected to the bottom of the mounting connecting part through the adjusting unit. After the structure is adopted, the beneficial effects are that the problems that only single-point detection can be carried out during single-point installation and the delay is high during 3D material level scanning are solved.

The invention relates to a measuring system for determining a filling volume of a filling material (4) in a container (3). To this end, the measuring system comprises a 3D camera (2) and a radar-based level measurement device (1). The 3D camera (2) is used to first capture at least one 3D image ([pi,j]) of at least one portion of the interior of an empty container. On the basis of this 3D image ([pi,j]), a data set or digital space model is created which represents the geometry of at least this portion of the interior of the empty container. In order to create the desired three-dimensional surface or level profile (L(a, #)), the level measurement device (1) is based on the digital beamforming principle, such as the MIMO principle. Thus, on the basis of the data set which reflects the geometry in the interior of the container and on the basis of the level profile (L(a, #)), the filling volume in the container (3) can be determined.

The invention relates to a method for level measurement, wherein a transmitter (3) emits measurement signals (6) in the form of electromagnetic radiation to measure the level in a container (2), a receiver (4) receives received signals (7), at least part of which is based on reflections of the measurement signals (6), the level in the container (2) is determined by evaluating the received signals (7), and an electromagnetic field generated by the transmitter (3) during the transmission of the measurement signals (6) forms a main lobe (8) directed towards the container (2), the opening angle (9) of which is less than 40°. According to a further aspect of the invention, a measuring device (1) suitable for carrying out this method is proposed. Furthermore, a measuring arrangement is proposed that is configured to carry out the method described above.

The invention belongs to the technical field of shipbuilding, and provides a deck floating state level measurement method, which comprises the following steps: carrying out level measurement on a deck before entering water to obtain level data before floating state; obtaining a target measuring device and setting an instrument erection position; a plurality of horizontal datum points on the deck are obtained and marked; installing the target measuring device to an instrument erection position; according to the horizontal datum point, performing floating state horizontal measurement on the deck to obtain horizontal data after floating state; and comparing the level data after the floating state with the level data before the floating state to form a floating state level measurement report. According to the method, the relative position between the target measurement device and the deck is kept unchanged in the measurement process, and error increase caused by sloshing is prevented; the target measuring device has a large measuring range on the deck, the number of times of station moving measurement can be reduced, and the measuring efficiency is improved; and horizontal measurement is carried out according to the specific horizontal reference point, so that the measurement error is reduced, and the rework rate caused by the measurement error is reduced.

The invention discloses an underwater dynamic mud level measuring device and method based on a rotary encoder, and belongs to the technical field of water treatment equipment detection. The device integrates an initialization module, an angle acquisition module, a signal processing module, a mud level calculation module, a position adjustment module and a circulation self-inspection module. According to the method, reference parameter recording and threshold setting are completed through system initialization, the deflection angle of a baffle is collected and signals are transmitted when a sludge suction joist barrow moves, an effective angle is obtained through variable window filtering and abnormity elimination, the real-time sludge position is calculated in combination with geometric operation and a sludge density compensation algorithm, and then the measurement position is dynamically adjusted according to the sludge position. And cyclic measurement and abnormity monitoring are realized through regular recheck and report generation. According to the method, the defects that traditional measurement is prone to interference, low in precision and large in blind area are overcome, the stability and the automation degree of mud level measurement are improved, the method adapts to different operation working conditions of the sedimentation tank, and reliable data support is provided for refined mud suction control.

The invention relates to a borehole water level measuring system and method for hydrogeological exploration, relates to the technical field of hydrogeological exploration, and adopts a multi-sensor integration and cooperation technology to realize multi-parameter synchronous measurement through an integrated probe. By establishing a dynamic environment compensation model, namely a salinity-density dynamic model, and combining inclination angle real-time correction of an ultrasonic propagation path and high-frequency monitoring and dynamic compensation of environmental parameters such as atmospheric pressure, temperature and humidity, the water level measurement accuracy in the whole environment is + / -0.01 m. Through multi-source data fusion and intelligent analysis, three kinds of measurement data of a pressure method, an ultrasonic wave method and a measuring rope method are fused, weights are dynamically distributed according to standard deviations of all the measurement methods, the fusion water level is calculated, the + / -0.01 m level measurement precision is achieved, and the accuracy of the measurement result is greatly improved. Meanwhile, the dynamic response speed is increased, alarm can be triggered by calculating the second derivative of the water level data in a karst area water inrush early warning scene, and the early warning capacity for geological disasters is effectively improved.

The utility model discloses a servo liquid level meter transmitter, and belongs to the field of liquid level measuring equipment. Dynamic data of liquid in a liquid container are measured through a measuring unit, and the dynamic data comprise floater change data and liquid change trend data; acquiring temperature data and pressure data of liquid in the liquid container by using an acquisition unit; performing temperature compensation based on the temperature data by adopting a processing unit, performing pressure compensation based on the pressure data, and generating a control instruction according to the dynamic data; and executing corresponding operation through an execution unit according to the control instruction. The temperature and pressure data are compensated through the processing unit, so that the influence of thermal expansion and cold contraction of liquid and density change on the measurement precision is solved, and the long-term stability is improved; according to dynamic data detected by the measuring unit, the processing unit is utilized to generate a control instruction based on the dynamic data, so that accurate multiple judgment on liquid level change is realized, and the accuracy and the reliability of measurement are improved.

The utility model relates to the technical field of groundwater survey, in particular to a groundwater level measuring and sampling device which comprises a leading-in cylinder, a tip is arranged at the bottom of the leading-in cylinder, a lower probe rod is arranged at the top of the leading-in cylinder, a water inlet unit is arranged on the cylinder wall of the leading-in cylinder, and the water inlet unit comprises a flow guide pipe and a V-shaped flow distribution plate. One end of the flow guide pipe arranged outside the guide-in cylinder is a closed opening; a strip-shaped water inlet hole is formed in the top of the outer end of the flow guide pipe; the interior of the guide-in cylinder is connected with a liquid sensor through a supporting plate. The device is simple in structure, the number of the lower probing rods can be freely matched according to actual needs, soil is shunted through the V-shaped shunting plate in the downward probing process, when the water level probe reaches the water level, a large amount of water enters the guide-in cylinder through the flow guide pipe, information is transmitted to the monitor after the water is sensed by the liquid sensor, misjudgment is prevented, and the water level detection efficiency is improved. Meanwhile, a certain amount of water sample can be retained in the guide-in cylinder.

The invention discloses a levelness measuring device for a cyclone shaft wall in an open caisson process and a construction method. The measuring device is simple in structure, an operator is located at a construction joint above a shaft wall during measurement, a graduated scale at a scale datum line is observed, and the levelness of the shaft wall can be monitored at any time through the numerical value difference between the liquid level of a liquid level meter and the graduated scale. Compared with the prior art, the method has the advantages that a measuring instrument does not need to be adopted, the specific deviation value can be directly determined by observing the reading, and construction is convenient, rapid and efficient. Through data, the levelness change condition of the whole cylinder wall open caisson process can be monitored at any time, and uneven settlement and inclination change of the cylinder wall along with load increase and decrease in the construction process can be monitored. Operators work in a construction seam wall body on the upper portion of the cylinder wall, steel bars reserved on the inner side and the outer side of the wall body play a role of guardrails and do not need to go to the bottom in the cylinder wall to work, and construction conditions are good, safe and reliable.

The present application belongs to the field of groundwater level measurement, and more particularly relates to a stable groundwater level measurement device and a stable groundwater level measurement method. The present application adopts the overall design idea of "first draining the groundwater in the drill hole, then using the principle of the water collecting funnel to lower the measurement device for measurement", which can quickly measure the stable groundwater level, and the test cycle is usually about one week, which is much smaller than the cycle of 1 to 2 years of the conventional long observation hole. In addition, the multi-point wet sensitive resistance sensor measurement method is adopted, a plurality of wet sensitive resistance sensors are installed on the fixed rod at a certain interval, when the wet sensitive resistance sensor contacts water, the resistance corresponding to the wet sensitive resistance sensor will change, and the resistance of the sensor not contacting water remains unchanged. Since the distance between the measurement points of the multi-point wet sensitive resistance sensor is relatively short, the measurement error is also relatively small, and by collecting the changes of these resistances, the depth of the groundwater level can be determined.

The utility model relates to the technical field of tide water level detection, in particular to a water lower limiting device for a tide gauge, which comprises a steel frame, a protective cylinder for placing the tide gauge is arranged on the steel frame, and a protective cover for blocking the protective cylinder is detachably arranged on the protective cylinder. Water inlet holes used for being communicated with the outside are formed in the side wall of the protection barrel in a circumferential array mode, the steel frame provides a stable supporting structure, the steel frame can resist water flow impact, and the whole device is prevented from being washed away by water flow; the protective cylinder can fix the position of the tide gauge and can protect the tide gauge from being collided and damaged by sundries in water, and meanwhile the protective cover is arranged so that workers can block the protective cylinder conveniently. The water level in the protective cylinder is kept consistent with the outside by means of the circumferential array arrangement of the water inlet holes, and normal work of the tide gauge is not affected while the accuracy of the tide gauge for measuring the tide water level is ensured.

A guided-wave level measurement system (10) for hygienic applications is provided. The system includes an electronics housing (16, 102) and system electronics (200) disposed within the electronics housing (16, 102) and configured to generate a radar signal. A probe (104) is coupled to the electronics (200) and includes a waveguide (144) configured to extend into a process vessel (14). A sheath (210) is configured to receive the probe (104) and extend into the process vessel (14).

The invention discloses a mechanical production well working fluid level prediction method. The method comprises the following steps that oil well static data, working fluid level measurement data and oil well real-time collection data are obtained; the oil well static data, the working fluid level measurement data and the oil well real-time collection data are preprocessed; electric parameter characteristic parameters and indicator diagram characteristic parameters are obtained through calculation based on the preprocessed oil well static data and the preprocessed oil well real-time collected data; performing dimensionless processing on the electrical parameter characteristic parameters and the indicator diagram characteristic parameters to obtain dimensionless characteristic parameters; calculating a Pearson's correlation coefficient and a Spearman correlation coefficient of each dimensionless characteristic parameter, and screening through the Pearson's correlation coefficient and the Spearman correlation coefficient to obtain a working fluid level correlation characteristic parameter; and processing the working fluid level related characteristic parameters through the working fluid level online prediction model to obtain a working fluid level prediction value of the mechanical production well. According to the method for predicting the working fluid level of the mechanical production well, the working fluid level prediction precision is improved, and subtle changes of the production process can be sensed in an all-weather, all-parameter and whole-process mode.

Device for measuring the fill level in security containers (1) for holding security notes, comprising a pressure carriage (2) movable along a guide track by means of a drive unit (3) and a detection device for determining the position of the pressure carriage (2) within the guide track, characterized in that the detection device has an image pattern (4) arranged fixedly on a security container wall (1) and extending along the guide track and at least one optical sensor (5) movable with the pressure carriage (2).

1. Name of the product in this design: Drill Level. 2. Purpose of this design: For level measurement when drilling with water drills and electric drills. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

This utility model relates to the technical field of water level measurement devices, specifically a groundwater level measurement device, including a fixed frame, a rotatable reel on the fixed frame, a graduated rope connected to the reel, a fixed rod connected to the other end of the graduated rope, an installation cylinder fixedly mounted at the bottom of the fixed rod, a detection chamber inside the installation cylinder, a detection probe fixedly mounted inside the detection chamber, a float mounted on the fixed rod, a sleeve fixedly mounted at the bottom of the float, the sleeve being fitted onto the installation cylinder with a height equal to the height of the installation cylinder, a locking block fixedly mounted above the float on the fixed rod, and the installation cylinder being lowered along the detection hole. The sleeve and installation cylinder protect the detection probe, preventing collision between the hole wall and the detection probe, and also preventing residual water from the hole wall from seeping into the detection chamber and contacting the detection probe, thus improving measurement accuracy.