58results about "Volume/mass flow by dynamic fluid flow effect" patented technology

A fluid flow rate sensor, which may also be the basis of a valve for a fire suppression system, uses a sensing arm to convey motion of an obturation body or a valve closing member to a sensor system which evaluates the motion and generates a calibrated measure of the flow rate and / or an alarm signal in response if warranted. The obturation body and the valve closing member are capable of both rotation and translational motion, both of which are sensed using the sensing arm. The sensor system is isolated from the fluid within the valve.

The utility model provides a self-powered intelligent water meter based on electromagnetic power generation. The self-powered intelligent water meter comprises a first built-in cavity, a second built-in cavity, a water inlet and a water outlet, the first built-in cavity and the second built-in cavity are connected through a bolt, the water inlet is communicated with the first built-in cavity, and the water outlet is communicated with the second built-in cavity. According to the utility model, the electric signal generated by the coil is utilized, the self-power supply technology and the self-sensing technology are combined, and multiple functions are realized through the simple structure; a switch control mode is adopted in the power supply management system, so that voltage and current are only used when needed, and no electric energy is consumed in other time; the power management circuit realizes a fully-automatic switching function through battery voltage detection, so that the whole system comprises the wireless transmission module and can be called as a real self-powered system; the energy of the energy source is fully and efficiently utilized, so that no energy loss exists in the energy conversion and distribution process.

The application discloses a turbine flowmeter impeller rotating system and a dynamic balancing method, relates to the technical field of flow measurement, and comprises a turbine flowmeter shell, a core shaft, two flow guides and a rotating mechanism. A plurality of turbine blades are fixedly connected to the side wall of the core shaft. The flow guides are fixedly connected to the turbine flowmeter shell through a plurality of screws. The rotating mechanism comprises a static cavity formed in the flow guide. The core shaft penetrates into the static cavity at both ends. The static cavity is filled with magnetorheological fluid. A ceramic ball is fixedly connected to the inner wall of the static cavity. A tapered groove is formed in the side wall of the ceramic ball. In the application, the rotating speed of the core shaft is monitored in real time through a rotating speed sensor. The current size of a magnetic induction coil is controlled by using a PLC, the viscosity of the magnetorheological fluid is controlled, the damping force is changed, and the displacement of the core shaft in the axial and radial directions is actively inhibited. The on-demand response mechanism fundamentally solves the stability problem caused by high-speed vibration and water hammer impact.

The utility model relates to flowmeter device technical field discloses a kind of swirl flowmeters, including measuring tube, the both ends of measuring tube are fixedly connected with flange, the outside of measuring tube is provided with steady flow component, the inside fixedly connected with racemizer in the one end of measuring tube far from steady flow component, the inside of measuring tube is provided with fairing, the inside of fairing is provided with bevel gear one, the outside of bevel gear one is all engaged with bevel gear two in four corners, the outside fixedly connected with connecting shaft of bevel gear two. In the utility model, by the cooperation of knob, connecting shaft, bevel gear two and bevel gear one, when measuring low flow gas, the flow condition of gas in pipeline can be adjusted by adjusting the force area of fan blade, to ensure the measurement accuracy of flowmeter, and the quick method of knob adjustment makes the device can be quickly adjusted when measuring different gas, improves the measurement accuracy.

The utility model belongs to environmental monitoring equipment technical field relates to a kind of dust instrument with isocratic function, it includes: sampling tube, measuring unit and control unit;Sampling tube is provided with first flow detection piece, second flow detection piece and flue gas extraction part, flue gas extraction part extracts flue gas, first flow detection piece is used to detect flue gas flow in real time, and second flow detection piece is used to detect sampling flow in real time;Measuring unit is used to measure dust concentration;Control unit and first flow detection piece, second flow detection piece and flue gas extraction part are electrically connected.The utility model is compared by the real-time flow rate of flue gas and the real-time flow rate of sampling by the combination of first flow detection piece, second flow detection piece and control unit, and adjusts sampling flow rate by flue gas extraction part, so that sampling flow rate is equal to flue gas flow rate, to reduce the error between sampling flow rate and flue gas flow rate, improve the measurement accuracy of dust concentration.

This invention provides a leakage detection method and system, relating to the field of water supply network monitoring and leakage identification technology. It collects pulse frequency signals using Hall effect turbine flow sensors connected in series with the main and branch waterways, converting them into real-time water flow velocity and instantaneous flow rate data. This generates status flags for each waterway and accumulates continuous water usage time, constructing a velocity-location mapping set. This mapping set is then mapped to an irregular curved surface in a three-dimensional coordinate system. Finite element meshing and numerical integration are used to calculate the body center offset, yielding a velocity field offset coefficient. Combined with day / night shift time periods, corresponding basic threshold durations are retrieved, and a dynamic threshold duration is obtained after offset coefficient correction. This is compared with the continuous water usage time to determine abnormal water usage. A push notification containing abnormal location information is sent to a mobile device, triggering an audible and visual alarm. This invention achieves joint analysis of water usage status across the entire water supply network and adaptive leakage detection, effectively reducing the risk of false alarms and missed alarms.

To estimate the liquid amount or the dryness degree of a fluid as an index of the quality of steam by an operation according to the state of the fluid.SOLUTION: There is provided a device which includes: a measured value acquisition unit for acquiring a plurality of measured values regarding a fluid; a state determination estimation unit for estimating the state of the fluid on the basis of at least one of the plurality of acquired measured values; a fluid quality estimation unit for estimating at least one of the liquid amount and the dryness degree regarding the fluid from the at least one of the plurality of acquired measured values according to the estimated state of the fluid; and an output unit for outputting at least one of the estimated fluid amount and the estimated dryness degree. The device further includes a selection unit for selecting one of a plurality of operations which corresponds to the estimated state of the fluid. The fluid quality estimation unit estimates at least one of the liquid amount and the dryness degree regarding the fluid from at least one of the plurality of measured values acquired by the selected operation.SELECTED DRAWING: Figure 1

The application discloses a kind of turbine flowmeter monitoring module, including gas well, gas analyzer, flow monitoring regulating device, gas pipeline, control center and internal combustion generator set;The flow monitoring regulating device includes turbine flowmeter and signal end;The turbine flowmeter includes shell, guide vane, impeller, rotating plate;The fixed component is installed in the guide vane near one end of impeller;The data of the component content of landfill gas collected by gas analyzer is received by control center, according to the received data and the flow rate information of landfill gas in gas pipeline obtained by signal end, control flow monitoring regulating device, adjust the extraction speed of landfill gas, avoid the occurrence of dead well phenomenon;The two ends of impeller are supported by sleeve, and the impeller is axially positioned by the ball, when the impeller is damaged, the rotating plate is opened, and the impeller and the guide vane can be separated by sliding sleeve, which is convenient for maintaining the impeller.

The utility model belongs to vortex shedding flowmeter technical field, concretely is a kind of vortex shedding flowmeter with heat insulation effect, including pipeline, the outside welding of pipeline has fixed base, the first limit hole is set in the circumference surface of connecting rod, the inside of two first limit holes is inserted with first limit post, the outside swing joint of fixed base has third heat shield, and third heat shield is fixedly connected with first heat shield and second heat shield by fixed bolt;The bottom of third heat shield is provided with mounting groove, and the inside of mounting groove is fixedly connected with mounting bracket, and the bottom of heat conduction block is fixedly connected with a plurality of radiating fins.The utility model sets up first heat shield, second heat shield, third heat shield, heat conduction block and radiating fin, improves the heat insulation effect and improves the heat dissipation performance simultaneously;By setting slider, limit ring and connecting column, it is convenient to install first heat shield and second heat shield.

The application discloses a kind of lead bismuth and supercritical carbon dioxide heat exchanger break accident experimental system and method, the system includes lead storage tank, argon buffer tank, experimental container, high temperature and high pressure carbon dioxide storage tank, carbon dioxide storage tank and buffer tank and other auxiliary systems, specifically to simulate lead bismuth and supercritical carbon dioxide heat exchanger break accident under the temperature, pressure and bubble evolution, lead bismuth reactor loop extreme thermal hydraulic phenomenon caused;The whole experimental system is operated by different pipeline valve control loop, the pressure required by experiment is flexibly controlled using gas booster pump, different heating temperatures are obtained by adjusting heating wire power, different sizes and thicknesses of copper film are flexibly replaced to simulate heat exchanger break condition, temperature change and pressure response during supercritical carbon dioxide is discharged into lead bismuth in experimental container are monitored, and lead bismuth and supercritical carbon dioxide heat exchanger experimental data under initial different temperature and pressure are obtained.

A sensor includes: a deformation element; a sensor lug extending from the deformation element; a connection sleeve extending from the deformation element; a transducer element, arranged within the connection sleeve and contacting the deformation element, for generating an electrical sensor signal representing temporally changing movements of the sensor lug and / or temporally changing deformations of the deformation element; and fastening means within the connection sleeve and mechanically connected thereto for fixing the transducer element in the connection sleeve. The connection sleeve has an internal thread in a distal end, and the fastening means includes a threaded sleeve with an external thread and a cylindrical add-on element. The threaded sleeve is screwed into the internal thread with the add-on element between the threaded sleeve and the transducer element such that the add-on element is elastically deformed by a contact pressing force which holds the transducer element against the deformation element.

The invention relates to a flow meter (100) for determining a flow rate of a fluid in a medium conduit (200), comprising: - a sensor base (101) comprising an obstruction body (102) and a sensor main body (103), - an electronics unit (300) and - a signal interface (400), wherein - the obstruction body (102) is arranged essentially upstream of the sensor main body (103) in a flow direction, - the sensor main body (103) comprises a support body piece (110) and a substrate assembly (111) having at least one ceramic substrate (108, 109), and - a gas flow meter - sensor unit (104) and a vortex counter - sensor unit (105) are arranged on the substrate assembly (111).

The application provides a magnetic suspension turbine flowmeter, which comprises a shell with a through fluid passage, a turbine rotor coaxially arranged in the fluid passage, a radial suspension assembly for radially suspending the turbine rotor in the fluid passage and an axial suspension assembly for axially suspending the turbine rotor in the fluid passage. The radial suspension assembly and the axial suspension assembly combine to form a three-dimensional magnetic field restraint system, which can balance various external forces such as self-gravity of the turbine rotor and fluid impact force in real time, effectively compensate for the deviation caused by factors such as fluid disturbance and equipment vibration, and ensure that the turbine rotor is always stably suspended in the center of the flow passage. The two assemblies cooperatively form a full-range magnetic field restraint, so that the turbine rotor is completely contactlessly suspended without mechanical support, contact friction is eliminated, the optimal detection range is increased, the flow rate of low-flow-rate fluid can be accurately detected, the internal fluid is not hindered by the support structure, the flow passage is smooth, the pressure loss is further reduced, and the metering reliability of the flowmeter is improved.

A sensing assembly configured to monitor flow in a pipe, the sensing assembly comprising: an ultrasonic sensor assembly comprising an ultrasonic sensor, wherein the ultrasonic sensor assembly is configured to be physically coupled to a pipe, and wherein the ultrasonic sensor is configured to transmit and receive ultrasonic signals through the pipe; and a controller electrically coupled to the ultrasonic sensor assembly, wherein the controller is configured to: determine a time of flight (ToF) of the ultrasonic signals, determine a flow rate in the pipe based on the time of flight, store flow data comprising the determined flow rate, and use a segmentation machine learning model to recognize a single plumbing fixture associated with the flow data. In some embodiments, the controller is further configured to recognize a leak or a malfunction of a single plumbing fixture based on the flow data.

The utility model relates to the field of sewage treatment discloses a kind of municipal engineering with urban sewage treatment device, including the processing equipment main part for municipal engineering with urban sewage treatment, the sewage pool is fixedly installed in one side of processing equipment main part, the inside of sewage pool is equipped with grating mechanism;The inside of processing equipment main part is equipped with sand setting chamber, biological treatment chamber, sedimentation chamber and disinfection chamber, the flow velocity pipeline is fixedly penetrated on the inner wall of one side of sedimentation chamber, the inside of flow velocity pipeline is equipped with flow velocity mechanism.The utility model has the following advantages and effects: larger impurities such as plastic bag, branch etc. in sewage can be cleaned, so as to prevent larger impurities from entering sand setting chamber, reduce the burden of sand setting chamber, increase the equipment practicability, and the flow velocity of liquid entering sedimentation chamber can be observed, and then the power of submersible pump is controlled, to achieve the effect of controlling flow velocity, flow.

The utility model provides a kind of gas water heater and water flow sensor for it.The water flow sensor includes shell, rotor and lower rotor base being arranged in the shell, the lower rotor base is fixedly connected with the shell, the first end of the rotor is pivotally connected with the lower rotor base, the first end of the rotor is provided with first limiting structure, the second limiting structure is provided on the lower rotor base;The rotor can move along the axial direction of the shell, when the second limiting structure and the first limiting structure stop, the rotor stops rotating.The utility model sets first limiting structure on the first end of the rotor, sets second limiting structure on the lower rotor base, so that the rotor stops rotating quickly, improves the response speed of water flow sensor, shortens delay time, avoids the temperature rise caused by water flow sensor response slow due to water stop, improves the thermal efficiency of gas water heater.

A method of analyzing a liquid in an agricultural sprayer includes directing, with a drum housing (16) and a central passage housing (23), a fluid along a vortex flow path (24) within the drum housing (16) and around an axis to revolve a projectile (30) within the drum housing (16) and around the axis S-S. A light beam is emitted across a path of the projectile (30) and the fluid. An optical sensor (12) receives a first reflection of the light beam from the fluid and a second reflection of the light beam from the projectile (30). The optical sensor (12) communicates data about the first and second reflections to a controller (39), and the controller (39) assesses the first and second reflections to determine a turbidity of the fluid flowing along the vortex flow path (24).

A method (100) for determining the current viscosity of a flowing medium with a flow measurement system (1) is presented and described, wherein the flow measurement system can determine at least one magnetically inductively based (MID-based) flow value of the flowing medium and one vortex-based flow value of the medium, and wherein the flow measurement system (1) is calibrated with a known calibration viscosity of a calibration medium. wherein in a flow determination step (101) at least one MID-based flow value of the flowing medium and at least one vortex-based flow value of the medium is determined, wherein in a deviation determination step (102) a deviation of the two flow values ​​from each other is determined, where, if the MID-based flow rate and the vortex-based flow rate match, the current viscosity of the flowing medium is set to the value of the calibration viscosity (103), and wherein, in the event of a deviation between the two flow rates beyond a predetermined tolerance value, it is concluded that the actual viscosity of the medium differs from the calibration viscosity (104). Furthermore, a corresponding flow measurement system (1) is described.

The utility model discloses a kind of super-low temperature vortex flowmeters, comprising: vortex flow valve body and suit protection heat insulation structure, the suit protection heat insulation structure is installed on the vortex flow valve body, the utility model relates to vortex flowmeter technical field, the super-low temperature vortex flowmeter innovation uses multilayer protection heat insulation structure, integrated vortex heat regulation and control and electromagnetic drive regulating system, significantly improve the operating performance under extreme low temperature environment;Its advantages include: efficient heat insulation design, through antifreeze circulating heating and U-shaped radiating pipe cooperation radiating ring, realize heat accurate conduction, effectively avoid the influence of low temperature on measurement accuracy.

The present application belongs to the technical field of vortex flowmeter, and particularly relates to a vortex flowmeter with twin double-probe and electric heat tracing and steam coil heat tracing, which comprises a pipe body, first and second flanges fixedly connected to two ends of the pipe body respectively, a vortex generator arranged in the inner cavity of the pipe body, micro grooves on both sides of the vortex generator, a steam coil and an armored electric heating cable assembled on the side wall of the pipe body, a cover fixedly connected to the outer side of the pipe body between the first and second flanges, first and second connectors fixedly connected to the side wall of the cover, the steam coil connected to the first and second connectors at two ends respectively, a wire outlet arranged on the side wall of the cover, one end of the armored electric heating cable penetrating through the wire outlet, and two probe assemblies arranged on the side wall of the pipe body. The present application can realize uniform heating and high safety by means of the steam coil and the armored electric heating cable, and can improve the flow calculation precision by means of the probe assemblies.

This invention relates to the field of fluid metering devices and valves, specifically a gas flow rate metering device and valve for a gas storage facility. The device includes: a support pipe assembly installed between gas pipelines; a suspended turbine assembly installed within the support pipe assembly; and a speed detection device with one end extending into the support pipe assembly for detecting the rotational speed of the suspended turbine assembly. This invention utilizes magnetic levitation technology to suspend the turbine assembly, eliminating the need for bearings and friction. Therefore, compared to traditional vortex flow meters, the frictional resistance of the turbine shaft rotation is eliminated when fluid passes through the device, significantly reducing measurement errors and improving the accuracy of flow rate and velocity.

The application discloses a metal pipe float flowmeter, and relates to the technical field of flow monitoring.The metal pipe float flowmeter comprises a flowmeter main body, a measuring pipe is fixedly installed on one side of the flowmeter main body, installation flanges are installed at two ends of the measuring pipe, a fixing frame is installed on one side of the installation flange at the discharging end position of the measuring pipe, a connecting column is slidably connected in the middle of the fixing frame, and a float is arranged at one end of the connecting column.The T-shaped sliding rod is pushed upward by the buoyancy of the first buoy, and the first positive electrode block is driven to move upward.When the first positive electrode block contacts the first negative electrode block at the top of the inner cavity of the first fixed box, the first motor starts to rotate, the first rotating shaft is driven to rotate, the connecting rod fixedly connected with the first rotating shaft starts to rotate, and the two groups of scrapers are driven to rotate, so that the float can quickly and stably fall back and reset after the medium stops flowing;the reliability of the float falling back is high, the float does not need to be manually reset, and the metal pipe float flowmeter has high practicability.

The utility model discloses a signal output system and flowmeter, wherein, signal output system includes control module, switching value output module and communication module. Control module is used to receive sensing signal, and produces switching value control signal and communication signal based on sensing signal. Switching value output module is connected with control module to produce first switching value output signal based on switching value control signal. Communication module is connected with control module to produce second switching value output signal and IO -Link output signal based on communication signal. The utility model discloses signal output system and flowmeter, realize IO -Link output and expand switching value output through communication module, design switching value output module simultaneously, make that vortex street flowmeter IO -Link communication and switching value output compatible. Through design current detection module, the circuit reliability is greatly promoted. Through design EMC protection module, the communication reliability is comprehensively improved.

The application discloses an integrated vortex flowmeter capable of remote meter reading and relates to the technical field of metering equipment.The integrated vortex flowmeter comprises a support pipe, a vertical pipe is communicated at the top of the support pipe, and a flowmeter body is installed at the other end of the vertical pipe; a detection assembly is arranged in the support pipe, the detection assembly comprises a mounting pipe installed at the top of the support pipe and a detection rod penetratingly arranged at the top of the mounting pipe. The detection rod can be lifted, the linkage sealing structure of the sealing plug and the tension spring is matched, the inductor can be drawn out for cleaning or replacement under the non-stop state, the production interruption caused by the stoppage is avoided, the temperature difference compensation is carried out on the flow data by the temperature sensor and the controller, the measurement precision is improved, the soft connection structure formed by the sealing inner ring and the convex pipe effectively buffers the influence of the pipeline vibration on the flowmeter body, the remote meter reading is realized by combining the wireless transmitter, and the convenience of the flowmeter is remarkably improved.

A capacitive sensor assembly for a field device pertaining to automation technology includes a circuit carrier having a gap section projecting into a gap between two housing elements, with a circuit arrangement, the circuit arrangement having at least one electrically conductive conductor element with an electrically insulating layer covering the conductor element. A first electrode of a capacitor unit is formed by at least one electrically conductive conductor element of the circuit arrangement and one or more second electrode(s) of the capacitor unit is / are formed by the electrically conductive wall(s) facing the gap section, namely the inner wall of the second housing element and / or the outer wall of the first housing element. Also disclosed is a field device pertaining to automation technology.

The invention relates to a system (100) for measuring the flow velocity of a liquid, in particular of a flow in an aquifer, the measurement system (100) comprising: - an assembly (E) of at least one sensor (1), each sensor (1) of the assembly (E) of sensors comprising: -- a body (2) configured to undergo a driving force of the liquid, -- a connecting element (3) connected to the body (2), the body (2) being configured to exert on the connecting element (3) a force depending on the driving force of the liquid, -- a force sensor (4) configured to determine the force exerted by the body (2) on the connecting element (3), - an electronic computing unit (30, 35) configured to determine, for each sensor (1) of the assembly (E) of sensors, a flow velocity of the liquid from the force determined by the force sensor (4) of the sensor (1).

This utility model provides a dual-magnet vortex flow meter, relating to the field of oil extraction water injection detection technology. The flow meter includes a housing, an electrode assembly, a magnet cap, a first magnet, and a second magnet. The housing includes an internal flow channel, a vertically arranged cylinder, and a lower receiving seat. The electrode assembly is installed inside the cylinder, and the magnet cap is threadedly connected to the receiving seat. The first magnet is encapsulated between the receiving seat and the magnet cap, with its magnetization direction perpendicular to the extension direction of the flow channel. The second magnet is fixed to the bottom of the electrode assembly, with its magnetization direction parallel to the magnetization direction of the first magnet. This flow meter, through its dual-magnet structure design, solves the problem of insufficient magnetic field strength caused by a single-magnet structure, avoids weak pulse voltage signals acquired by the electrodes, significantly enhances the pulse voltage signal strength acquired by the electrodes, and improves the measurement accuracy and reliability of the flow meter.

A measurement system (100) for the flow velocity of a liquid, in particular a flow in an aquifer, is proposed, the measurement system (100) comprising: - an assembly (E) of at least one sensor (1), each sensor (1) of the assembly (E) of sensors comprising: - a body (2) configured to undergo a driving force of the liquid, - a connecting element (3) connected to the body (2), the body (2) being configured to exert on the connecting element (3) a force dependent on the driving force of the liquid, - a force sensor (4) configured to determine the force exerted by the body (2) on the connecting element (3), - an electronic calculation unit (30,35) configured to determine, for each sensor (1) of the assembly (E) of sensors, a flow velocity of the liquid from the force determined by the force sensor (4) of said sensor (1). Figure from the summary: Figure 2