454results about "Level indicators" patented technology

The invention relates to a device and method for detecting the liquid level height of melt in a copper pyrometallurgy slag ladle, and belongs to the technical field of metallurgy, the device comprises a plurality of infrared cameras in one-to-one correspondence with tank bodies, and further comprises an infrared control box and an upper computer, and the upper computer is externally connected with a dust removal system; the infrared cameras are arranged above the tank bodies and used for collecting infrared images of the tank bodies, all the infrared cameras are electrically connected with the infrared control box, the infrared control box is electrically connected with the upper computer, and the upper computer is electrically connected with a plurality of sound-light alarm devices which are in one-to-one correspondence with the tank bodies and used for alarming the liquid level heights in the tank bodies. The front end of the tank body is provided with an anti-shielding detection device used for detecting whether a transport vehicle passes by or not, and when the anti-shielding detection device detects that the transport vehicle passes by, the upper computer controls the dust removal system to be started. According to the invention, cinder ladle discharge monitoring can be realized, the safety risk of equipment and personnel is reduced, and the cinder ladle alternation efficiency is improved.

A method for preventing the burning of a slag-probing rod used in high-temperature metallurgical smelting equipment and the slag-probing rod, in which a high-temperature-resistant isolation layer is compounded on the surface of the base material of the slag-probing rod, and a material-modified layer is further coated on the surface of the high-temperature-resistant isolation layer to further enhance the heat-insulating effect of the isolation layer and prevent the burning of the slag-probing rod in the high-temperature metallurgical smelting liquid; the high-temperature-resistant isolation layer is a ceramic-based heat-insulating material layer, and a modified layer composed of rare earth material is coated on the outer surface of the ceramic-based heat-insulating material layer, the material properties of the outer surface of the ceramic-based heat-insulating material layer are modified by the rare earth material, a high-temperature-resistant isolation layer with better heat-insulating effect is formed, and when the slag-probing rod is inserted into the smelting metal liquid in the high-temperature metallurgical smelting equipment, the high-temperature-resistant isolation layer protects the base rod of the slag-probing rod from high temperature. The present application forms a heat-insulating isolation layer on the outer surface of the ceramic-based heat-insulating material layer by modifying with rare earth material, which can effectively reduce the temperature of the middle part of the slag-probing rod and prevent the burning of the slag-probing rod.

To provide a measuring method that can excellently measure a bath surface height of a molten bath, and a manufacturing method for magnesium metal.SOLUTION: A measuring method is for measuring a bath surface height of a molten bath Bm in an electrolytic bath 2 for performing molten salt electrolysis, wherein a non-contact type level meter 6 is used to measure the bath surface height without contacting the molten bath Bm.SELECTED DRAWING: Figure 1

The invention relates to a vibration sensor. A vibration element (10) arranged on a support element (11) has extensions of different sizes in two orthogonal directions (R1, R2). Two piezo-sub-components (20) are associated with the vibration element (10), wherein each piezo-sub-component (20) generates and / or receives mechanical vibrations in one of the two orthogonal directions (R1, R2). A piezo-component (20) is arranged in a recess (110) of the support element (11).

A radar level gauge system, for determining a filling level of a product in a tank, comprises a transceiver, an antenna assembly, and processing. The antenna assembly comprises a dielectric antenna body having a conical external surface facing an interior of the tank and an internal surface facing away from the interior of the tank, when the antenna assembly is arranged at the opening in the tank wall, and an antenna feed coupled to the transceiver, and configured to propagate the transmit signal towards the internal surface of the dielectric antenna body as electromagnetic waves with convex wavefronts. The internal surface of the dielectric antenna body is shaped to refract the transmit signal from the antenna feed in such a way that the transmit signal propagates towards the surface of the product in the tank as electromagnetic waves with substantially planar wavefronts, following passage through the dielectric antenna body.

To provide a technique which enables accurate identification of a target portion of a biological sample to be measured regardless of a label orientation without using a large image capturing mechanism when measuring the biological sample that is stored in a labeled container and separated into multiple component regions.SOLUTION: A biological sample measurement device disclosed herein is configured to identify a midpoint of luminance values of a captured image to identify an upper surface boundary and lower surface boundary of a measurement target portion, and applies a correction amounting to a meniscus width to a position of the identified upper surface boundary.SELECTED DRAWING: Figure 1

The aerosol delivery system (1) includes a consumable (2) and an aerosol delivery device (4) configured to receive the consumable (2). The aerosol delivery device (4) includes a receptacle (8) for receiving the consumable. A cover (103) is also provided, the cover (103) being movable between a first closed position C1 in which the cover at least partially covers the receptacle (8) and a second open position C2 in which the cover at least partially exposes the receptacle (8). A first portion (79), such as a light source (81) or an aerosol generator (40), or a sensor (101) is configured to be controlled in response to determining that the cover has moved to the second position C2. In this manner, the first portion (79) is operated in response to determining that the cover (103) is open, and power of the aerosol delivery system (1) can be saved by not previously operating the portion (79).

A water level measurement system according to one embodiment of the present invention includes a support pipe installed in a water tank filled with a fluid whose level is to be measured and extending in a depth direction of the water tank; a support rod located in an internal space of the support pipe and extending in a depth direction of the water tank; a plurality of ultrasonic probes attached to the support rod and generating ultrasonic waves; and a water level calculator connected to the plurality of ultrasonic probes and calculating the water level of the water tank, wherein the water level calculator calculates the water level of the water tank using the order of the ultrasonic probes located at the highest position among the plurality of ultrasonic probes that detect signals of reflected waves reflected from the support pipe.

The invention relates to a mechatronic chassis device (6) for a motor vehicle, which comprises a housing (7) and at least one functional element (11) located in the housing (7) and is characterized by means (14) for detecting the ingress of a liquid medium into the housing (7).

A dispensing machine (1) and a method for determining the liquid level in the container of the dispensing machine. The dispensing machine includes: - a movable platform, such as a turntable (5); - a plurality of dispensing units (8) located on the platform, each dispensing unit including a container (4), a pump (9), and a valve (10); and - a vibration sensor (27), such as a microphone. The dispensing machine also includes an impact element (26). The platform is movable to position a selected dispensing unit (4) at a test location, wherein the dispensing unit (8) is within reach of the impact element (26).

The present invention relates to a method for measuring a remaining amount of a liquid within a liquid storage container, the method including: discharging the liquid within the liquid storage container to the outside through a suction tube inserted into the liquid storage container; observing a size of a bubble or the number of bubbles contained in the liquid passing through the light transmitting part through a vision device that emits light toward the light transmitting part of the suction tube; and estimating the remaining amount of liquid based on the size and number of observed bubbles. Furthermore, the method may further include estimating the remaining amount using an ultrasonic carrier wave, wherein the estimating of the remaining amount using the ultrasonic carrier wave may include: oscillating ultrasonic waves from an ultrasonic generator to the inside of the liquid storage container; receiving the ultrasonic waves returned after the oscillation to analyze a waveform of the ultrasonic waves; and comparing the waveform of the ultrasonic waves to previously provided reference data to estimate the remaining amount of liquid.

A radar level gauge system, comprising a transceiver; an antenna arrangement configured to transmit an electromagnetic transmit signal from the transceiver, and to return an electromagnetic reflection signal resulting from reflection of the transmit signal at a surface of the product back towards the transceiver; and processing circuitry. The antenna arrangement comprises: a dielectric antenna body having a transmit signal receiving surface to receive the transmit signal from the transceiver, a convex transmit signal emitting surface configured to direct the transmit signal towards the product following passage of the transmit signal through the dielectric antenna body, and a side surface connecting the transmit signal receiving surface and the transmit signal emitting surface; and an electrically conductive antenna housing covering at least a portion of the side surface of the dielectric antenna body. The dielectric antenna body is arranged to conductively separate the transceiver from the conductive antenna housing.

The application relates to the water level monitoring field and provides a water level monitoring device for a stainless steel water tank, which comprises a box body, a box cover installed on one side of the box body, and a side connecting plate of the box cover, one side of the connecting plate being fixedly provided with an adjusting box. When the device is used, the external power switch of a driving motor is turned on, the output shaft of the driving motor drives one rotating rod to rotate, one belt pulley is further driven to rotate, another rotating rod is driven to rotate in the same direction through a belt, two fan blades are further driven to rotate, the two fan blades blow the water in the box body, when there is foam on the surface of the water in the box body, the two rotating fan blades blow away the foam on the surface of the water, the foam is prevented from affecting the measurement accuracy of a water level sensor, and therefore, when the detection device is used, the influence of water surface foam on measurement data can be prevented, and the measurement accuracy is improved.

The application discloses a water level monitoring method and device based on a SWOT height measurement satellite, equipment and a storage medium, relates to the technical field of satellite remote sensing, and comprises the following steps: acquiring secondary high-resolution grid data of a water surface terrain observation satellite and boundary vector data of a lake to be monitored; extracting all water surface elevation pixel observation values located in the water area range of the lake to be monitored and corresponding pixel-level quality control indexes from the grid data based on the boundary vector data; judging the pixel-level quality control indexes based on a preset quality threshold, to obtain a primary screening data set; performing outlier rejection on each candidate pixel in the primary screening data set based on a median absolute deviation, to obtain a secondary screening data set; and performing aggregate calculation on water surface elevation values of each effective pixel in the secondary screening data set, to determine a representative water level of the lake to be monitored at an observation time, so that the accuracy and availability of high-resolution products of the water surface terrain observation satellite in inland lake water level monitoring are improved.

The utility model discloses a kind of spiral samplers for sampling in steeping pit, including spiral sampler and installation platform, sampling port, screw mechanism, water level sensor and sample storage mechanism are equipped on the spiral sampler, sealing mechanism is equipped on the sampling port, the bottom end of the installation platform is provided with sliding slot, sliding rail is equipped on the sliding slot, electric sliding block is equipped on the sliding rail, the bottom end of the electric sliding block is equipped with adjusting plate, lifting mechanism is equipped between the adjusting plate and the top end of the spiral sampler, installation plate is equipped on the spiral sampler, locking mechanism is equipped between the installation plate and the adjusting plate, the locking mechanism includes lifting iron cylinder and lifting column, the structure is moved from specified position, adjusts sampling depth, executes sampling task to lastly take out sample, the whole process realizes automation control, not only significantly improve work efficiency, also reduce the error possibly brought by human operation, improve the accuracy and consistency of sampling.

The present application relates to the technical field of hydrodynamics, in particular to a method for improving water level inversion accuracy of inland water area based on SWOT satellite data, which comprises the following steps: obtaining SWOT data and independent reference water level data of the target water area, identifying effective overlapping observation points and constructing water level difference sequence; based on the error propagation mechanism of interferometric measurement, establishing a design matrix with baseline roll angle error (linear term) and baseline length error (quadratic term) as the core, using least squares method or optimal inversion method to solve system error parameters; and then applying parameter correction to the original data for iterative optimization. The method overcomes the shortcomings of traditional marine correction model under the condition of sparse inland data, and can realize high-precision estimation and elimination of system errors only by relying on limited reference data, effectively improving the water level monitoring accuracy and reliability of inland lakes, reservoirs and other water areas, and providing support for water resources management and hydrological research.

The present application belongs to the technical field of hydrological monitoring and remote control, and relates to a remote control system of GNSS receiver, which comprises a data acquisition module, a data processing module, a data detection module and a system alarm module. The data acquisition module acquires water level elevation information with time stamp according to a preset sampling period and forms a water level information sequence List. The data processing module constructs a standard sequence to realize time alignment and mark blank data points. The offset interval is determined around the blank data points, and the high and low intervals are identified in the offset interval to complete the adaptive correction and completion of the blank data points. The data detection module detects the completed sequence for abnormalities according to a threshold. The system alarm module generates an alarm message when the alarm condition is met, uploads the remote platform and logs the alarm and detection results, thereby improving the fidelity of extreme value and the reliability of alarm.

BOLT HEAD ASSEMBLY FOR A WEAPON AND METHOD FOR CONTROLLING THE FLUID LEVEL IN THE REBEAT DAMPER SYSTEM OF SUCH A BOLT HEAD ASSEMBLY. The invention relates to a bolt assembly comprising a bolt sleeve (2), a recoil damper system (3), a fluid filling valve (5) for the damper system (3), and a trim gauge (4) having a fluid level indicator (40) mounted to move axially relative to the bolt sleeve (2). According to the invention, the bolt sleeve (2) comprises an axial internal housing (22) opening through an opening (23) on the rear face of the bolt sleeve (2), the recoil damper system (3), the filling valve (5), and the trim gauge (4) being received in the internal housing (22). The invention also relates to a method for controlling the fluid level in the recoil damper system (3) of such a bolt assembly. Figure to be published with the abbreviation: Figure 2.

The application relates to the technical field of garden engineering, and provides a rainwater collecting device for garden engineering, which comprises a water tank and a filtering assembly; the water tank is hollow and provided with an open upper end; the filtering assembly comprises a mounting frame, an intercepting filter screen, two driving elements and a cleaning brush; the mounting frame is arranged at the upper end of the water tank and is provided with a limiting groove along the width direction of the mounting frame; the intercepting filter screen is arranged in the mounting frame; the two driving elements are arranged at the two short sides of the mounting frame; the driving element comprises a linear guide rail and an electric sliding block; the linear guide rail is arranged in the limiting groove; the electric sliding block is slidably connected to the linear guide rail and limited in the limiting groove; and the cleaning brush is arranged between the two electric sliding blocks and above the intercepting filter screen. Therefore, manpower and time can be saved, and cleaning can be performed in a timely manner.

This invention relates to the field of energy technology and discloses a method, apparatus, and storage medium for assessing the liquid level of a cold box in a hydrogen liquefaction unit. This invention combines the instantaneous rate curve of liquid hydrogen production with multiple preset experimental sampling logics, utilizing a preset cold box testing device to differentially obtain multiple sets of physical property parameters corresponding to the cold box during the hydrogen liquefaction process. Furthermore, by using a preset cold release convection heat transfer coefficient relationship, the target cold release convection heat transfer coefficient is determined, providing support for determining the defrosting frequency. This avoids frequent fixed-cycle defrosting operations and can more accurately guide the defrosting operation of the dynamic process combining the evaporation of the working fluid in the hydrogen liquefaction cold box and the injection of the working fluid into the cold box, thereby improving the technical and economic efficiency of liquid hydrogen production to a certain extent. Furthermore, by combining the determined defrosting frequency with the liquid level assessment results of the cold box in the hydrogen liquefaction unit, the operational efficiency of the dynamic process combining the evaporation of the working fluid in the cold box and the injection of the refrigerant into the cold box is improved.

The utility model discloses a drainage bag liquid level alarm device relates to medical auxiliary instrument technical field, aims at solving the problem of manpower consumption, easy to leak, easy to pollute and inconvenient to use in prior art, adopts the technical scheme, including surface layer, middle layer circuit board and lower layer, the surface layer with lower layer encloses into sealed cavity, and the middle layer circuit board is located in sealed cavity, surface layer, the middle layer circuit board with lower layer all adopt flexible material, and lower layer is in line with the lateral wall of drainage bag, and the liquid level detection in cooperation middle layer circuit board to drainage bag, through adopting the liquid level detection of capacitive liquid level sensor, need not contact with the liquid in drainage bag, avoids the risk of cross infection, guarantees medical safety.

The present application relates to rainwater collection and utilization technical field, disclose a kind of drainage pipe network overflow pollution reduction and resource utilization method, comprising: installing heteromorphic turbulence unit in pipe network water inlet to induce pipe wall mechanical vibration, vibration signal is collected using acoustic detection unit and extracting main vibration frequency, simultaneously using non-contact electrode to collect fluid conductivity signal, based on signal time delay calculation fluid real-time flow rate, according to real-time flow rate correction main vibration frequency obtains characteristic frequency deviation, weighted calculation characteristic frequency deviation and conductivity signal instantaneous gradient, and generate split characteristic value, extract low-frequency energy distribution in vibration signal to determine scour intensity index, according to split characteristic value and scour intensity index switch flow path, the present application is decoupled by acoustoelectric coupling to flow state and concentration, effectively capture sediment starting feature, improve overflow pollution monitoring precision and prediction ability.

The application discloses a kind of for oil tank truck capacity verification device, including verification site, be set up on the high platform of verification site, the side of high platform upper end is provided with control room, the other side is equipped with a plurality of first capacity tank, second capacity tank, the left and right sides of high platform upper end rear are respectively provided with first water outlet pipe, second water outlet pipe, the side of verification site is set down with water reservoir, the top of high platform is provided with steady flow water tank, the side of water reservoir is provided with sedimentation tank, verification site is below the high platform and is provided with verification area, the edge of verification area is opened with water guide groove downward, the side of high platform is provided with radar liquid level meter, wall temperature sensor and medium temperature sensor.The application realizes the automatic verification of automobile oil tank truck capacity, reduces manual operation error, improves the automatic degree of detection equipment and verification work efficiency, also improves the measurement accuracy of tank truck capacity.

The utility model discloses a kind of water level detection equipment of automatic adjustment posture, belong to water level detection technical field, including stand;The stand is installed with the monitoring data automatic correction mechanism for guaranteeing detection data accurate;The stand is installed with the convenient installation mechanism of installing adaptation to multiple topography;The monitoring data automatic correction mechanism includes solar power supply component, voltage transformation component, posture monitoring component and water level monitoring equipment;Solar power supply component is connected with voltage transformation component;Posture monitoring component and water level monitoring equipment are connected with voltage transformation component;Posture monitoring component and water level monitoring equipment are connected;Solar power supply component is connected with convenient installation mechanism.By the above-mentioned mode, the utility model can be realized by detecting data automatic correction mechanism to ultrasonic detection equipment real-time adjustment correction, ensure the correctness of water level.

This invention relates to the field of hydrological telemetry technology and provides a hydrological telemetry method and system based on edge computing. The invention acquires hydrological telemetry data from multiple telemetry points, identifies multiple adjacent telemetry points corresponding to each point, and extracts data from these adjacent points. It then performs adjacent impact analysis to screen multiple effective telemetry points; acquires aquatic meteorological data; performs wave impact analysis on the multiple effective telemetry points; selects key telemetry points; and acquires relevant impact data. Based on edge computing technology, it performs safety calculations and telemetry early warnings for wave impacts. This allows for the screening of effective telemetry points and the selection of key telemetry points. Furthermore, based on edge computing technology, it performs direct safety calculations and telemetry early warnings for wave impacts at key telemetry points. This enables complex risk assessment of wave climb under complex weather conditions, achieving rapid and effective hydrological telemetry water level risk early warning.

The utility model discloses a pipeline formula photoelectric liquid level sensor, including sensor body, electronic wire and belt fastener terminal, the sensor body is connected with the electronic wire between belt fastener terminal, still includes wire protection mechanism, the wire protection mechanism includes top touch board, bottom touch board, muscle tension strip, top buckle board, bottom buckle board and buckle post, through setting wire protection mechanism at sensor body and belt fastener terminal place, the top touch board and bottom touch board of wire protection mechanism are respectively clamped in the outside of electronic wire, then the top buckle board of top touch board and the bottom buckle board of bottom touch board are fixed through buckle post and the slot position of sensor body and belt fastener terminal and are connected two groups of plate body outside top touch board and bottom touch board and form the continuous wire protection structure of outside bottom touch board, the tension that the electronic wire is artificially mistaken to pull when will be dispersed to wire protection mechanism and sensor casing, avoid the electronic wire direct force fracture, have guaranteed the stability of electronic wire connection, reduce the sensor use anomaly that leads to because line fault.

The utility model relates to cooling tower speed reducer monitoring equipment technical field, concretely relates to a kind of cooling tower speed reducer oil level monitoring device, comprising: speed reducer, the bottom of speed reducer is equipped with conical tank bottom, and the middle part of conical tank bottom is equipped with first double-jacket oil pipe, and another end of first double-jacket oil pipe is equipped with T-shaped tee joint, and the vertical port of T-shaped tee joint is equipped with second double-jacket oil pipe, and the upper portion of second double-jacket oil pipe is equipped with monitoring assembly, and monitoring assembly is used to monitor the oil level height in speed reducer, the utility model aims at to propose a kind of cooling tower speed reducer oil level monitoring device, to solve the problem that oil level monitoring is not convenient, cannot be continuously monitored and oil circuit structure design is not reasonable in prior art, leading to unstable oil flow.

The invention relates to an FMCW-based level measuring device (1) that can operate in two clearly distinct frequency bands: For this purpose, the level measuring device (1) comprises two high-frequency units (11, 12) each with a frequency-controllable oscillator (111, 112) in order to transmit radar signals (S) in the frequency bands according to the FMCW principle. HF1,2 ) to generate or, after reflection from the surface of the contents, to receive. An antenna arrangement (13) serves to transmit and receive the radar signals (S HF1, 2) towards the filling material (L) and for reception after reflection at the filling material surface, wherein a control / evaluation unit (14) is used based on the received signal (R) HF1,2The level measuring device (1) can determine the fill level (L) using the first or second frequency band. According to the invention, the level measuring device (1) is characterized by a common clock unit (15). This unit serves to form a phase-locked loop with both the first oscillator (111) and the second oscillator (121) in order to generate the corresponding radar signals (S) according to the FMCW principle. HF1,2 , R HF1,2 ) of both frequency bands. This eliminates the need for a complete phase-locked loop for each frequency band. As a result, the number of required components is reduced.

In the present description, a capacitive sensor system is described by means of which the amount of solid precursor in a precursor vessel for a semiconductor manufacturing process can be determined and to a method for using the same. The system comprises at least two electrodes that are arranged in a substantially parallel manner within the precursor vessel.