559 results about "Valve actuator" patented technology

The invention provides a valve actuator full life cycle intelligent test system and method. The system comprises a combined load generation module used for generating an initial dynamic proportion of axial thrust and radial disturbance force according to a test protocol instruction, simulating a comprehensive stress state of an actuator under the impact of a pipeline medium, and outputting mechanical data containing thrust fluctuation characteristics in real time; the environment coupling module is used for dynamically adjusting an environment stress condition according to the test protocol instruction; the digital twinborn analysis module is used for comparing the actual displacement track of the actuator with the theoretical model track through a space-time alignment algorithm according to the mechanical data and environmental stress conditions to obtain a deviation feature vector; and the intelligent diagnosis module is used for carrying out dynamic time warping matching on the basis of the deviation feature vector and a preset historical fault database, outputting a fault type identification code and confidence, and generating a test report. According to the scheme, the accuracy of accurate evaluation of the full life cycle state of the valve actuator is improved.

The invention provides a valve actuator dispatching control method and system based on AI intelligence, and relates to the technical field of industrial automation control, and the method comprises the steps: collecting the running state parameters of a steam turbine in real time, determining the relation between the steam inlet amount and the valve opening degree under the current working condition to obtain a preliminary valve opening degree estimated value, and carrying out dynamic response compensation; the method comprises the following steps: carrying out comprehensive coupling analysis on a theoretical valve opening value and mechanical parameters such as response time, inertial parameters and an opening limit threshold value of a valve actuator, calculating a dynamic adjustment weight and carrying out boundary constraint processing to obtain a processed parameter, and calling a preset valve opening-silicon controlled trigger angle nonlinear mapping model in a single chip microcomputer based on the parameter; and calculating a final silicon controlled trigger angle by inquiring adjacent data points and a linear interpolation method. By fusing intelligent prediction, multi-dimensional adjustment and a closed-loop feedback mechanism, the valve control precision and response speed are improved, and efficient and intelligent operation of industrial automatic control is achieved.

The invention relates to the technical field of fluid valve actuator equipment diagnosis, in particular to a fluid valve actuator monitoring and diagnosing system based on AI intelligence. According to the method, the target opening control instruction is generated through fluid medium characteristic data matching, and accurate regulation and control of the fluid valve are achieved; an opening degree change data set and a torque time sequence data set are captured in real time through a deployed sensor group, multi-dimensional dynamic fluctuation analysis is carried out, and intelligent recognition and screening of fluid valve abnormity are achieved; the medium temperature, the pipeline pressure and the medium flow velocity in the dynamic working condition parameters are substituted into a multiple regression linear model to generate reference torque and opening, and dynamic diagnosis of clamping stagnation abnormity is achieved by combining fusion calculation of a torque fluctuation coefficient and an opening deviation coefficient; through the correlation between the opening degree and the torque time sequence data and the traceability analysis of the current dynamic working condition parameters, the accurate positioning of the abnormal source is realized, and a systematic solution is provided for the state diagnosis and reliability evaluation of the fluid valve actuator.

The invention discloses a valve actuator self-adaptive control method and system based on artificial intelligence, and relates to the technical field of industrial automation control, the valve actuator self-adaptive control system comprises multiple modules, a data acquisition module uses a multi-modal sensor fusion technology to acquire multi-dimensional data, the acquisition frequency is dynamically adjusted according to the operation state, and the data acquisition module is used for acquiring the multi-dimensional data; the data preprocessing module cleans data by means of a deep convolution auto-encoder and normalizes by using an improved method, the model training module constructs a space-time diagram convolution network model fused with an attention mechanism, adversarial training optimization is adopted, the control strategy generation module is combined with reinforcement learning and model prediction control technologies, stability and energy consumption generation strategies are considered, and the time-space diagram convolution network model is optimized. The instruction execution module executes instructions in parallel through multiple threads, and stable action is guaranteed. The system has remarkable advantages, can accurately collect and process data, can cope with various working condition changes due to the strong self-adaptive capability, has efficient fault diagnosis and processing capability and dynamic evaluation and optimization performance, improves the production efficiency, and brings much convenience to industrial production.

The invention discloses an intelligent valve actuator remote monitoring and fault early warning system based on the Internet of Things, which relates to the field of valve actuator monitoring and comprises a data acquisition module, a data transmission module, a data storage and management module, an analysis and fault diagnosis module, an early warning module, a remote control module, a user interaction module, a safety protection module, a log recording and auditing module, an environment perception module and an intelligent prediction module. A plurality of sensors collect data, a hybrid communication architecture and quantum encryption transmission are used, distributed storage and cloud computing are combined, deep learning and reinforcement learning are fused to diagnose faults, early warning is performed based on a dynamic threshold model, remote control is performed by using digital twinning and a block chain, an immersive interface and voice interaction are supported, and system configuration is adaptively adjusted. A multi-level security protection system is adopted, and logs are analyzed and recorded by means of a block chain and big data. The valve actuator is monitored in real time in an omnibearing mode, data are accurately collected, transmission is stable and safe, faults are accurately diagnosed, early warning is conducted in time, remote control is supported, interaction is convenient and safe, and industrial operation is guaranteed.

The invention belongs to the technical field of control valve adjustment, and particularly relates to a military and civilian dual-purpose ship electric control valve actuator which comprises a target analysis module, a dynamic compensation module, a parameter transmission module, a closed loop calibration module and an emergency braking module. Valve displacement increments and initial motor rotating speed parameters are distributed for all the sub-windows, the comprehensive influence of gear return difference, thermal deformation, friction and vibration interference on valve displacement is effectively considered in the execution process of the sub-windows, a mechanism coupling compensation factor with a dynamic learning optimization mechanism is generated, displacement errors are combined to be superposed to the rotating speed parameters of the next window, and a dynamic learning optimization mechanism is generated. According to a double-layer correction framework of child window dynamic compensation and tail end closed-loop calibration, technical closed-loop from local interference suppression to global precision guarantee is achieved, an emergency braking module is additionally arranged to avoid the risk of out-of-control displacement caused by sudden load impact, and efficient and safe operation of a ship is effectively guaranteed.

The invention provides a heat supply digital twinborn intelligent regulation and control method, and relates to the technical field of intelligent regulation and control, and the method comprises the steps: executing millisecond-level high-concurrency numerical simulation according to a dynamic digital twinborn body, so as to obtain a simulation result; based on the simulation result, coupling the electricity price fluctuation data and the weather prediction data, performing future heat supply system multi-working-condition deduction, and dynamically optimizing a heat source unit start-stop combination and pipe network valve opening strategy to obtain a deduction result and an optimization strategy; generating an equipment regulation and control instruction set according to the deduction result and the optimization strategy; and an equipment regulation and control instruction set is issued to an edge computing node, a variable-frequency circulating pump and an electric control valve executing mechanism are controlled, and dynamic closed-loop regulation of the flow and the pressure of the heat supply pipe network is achieved. According to the invention, the pipe network flow and pressure regulation response time can be shortened to a second level.

A precise reset fire damper actuator relates to the field of fire damper actuating mechanisms and is provided with a reset motor, the reset motor is connected with a stop-limiting gear, the upper end of the stop-limiting gear is connected with a fan-shaped shaft, and the stop-limiting gear is connected with a main shaft gear; during resetting, the main shaft needs to anticlockwise rotate by 90 degrees, the corresponding rotation turns or angle of the resetting motor can be calculated through the transmission ratio, the resetting motor is stopped at the set rotation angle through setting of an encoder, the relative angle of the fan-shaped shaft and the stopping limiting gear in the radial direction is set accordingly, the fan-shaped shaft abuts against the first microswitch, and the resetting motor is stopped; the reset angle of the main shaft can be accurately positioned at 90 degrees when the reset motor runs without repeated setting; the multi-stage reduction gear is driven by the reset gear, so that low-speed stable rotation of the main shaft can be realized; the microswitches are arranged on the two sides of the shifting fork respectively, the touch pressing plates connected with the shifting fork abut against the microswitches on the two sides respectively, the microswitches correspond to complete rotation of the main shaft, and the problem of feedback signal distortion is avoided.

Embodiments of the present disclosure relate to an apparatus, a system and a process for regulating a wellhead control mechanism. The apparatus is configured to control actuation of a wellhead control mechanism by moving a moveable body of the apparatus between a first position and a second position. When the apparatus is in the first position a valve actuator is actuatable and when the apparatus is in the second position the valve actuator is physically interfered from actuating. When the apparatus is in the second position, the wellhead control mechanism cannot be actuated and is held in either an open, a partially open or a closed position. Other embodiments of the present disclosure relate to a system that directly controls actuation of a wellhead actuation mechanism.

A valve actuator of a cooling valve is configured to control cooling water in a thermal management system for cooling a fuel cell. The valve actuator includes a motor including a rotor, a stator, and a motor housing, a gear assembly including a gear housing and being connected to a valve rotation shaft of a valve plate configured to control a passage of cooling water, a motor rotation shaft configured to rotate the rotor is connected to the gear assembly, a first underwater bearing disposed between the valve rotation shaft and the gear housing, and a second underwater bearing is disposed between the motor rotation shaft and the gear housing. Cooling water introduced into the cooling valve is introduced into the motor housing and the gear housing to cool the gear assembly and the motor.

Embodiments of the present disclosure relate to an apparatus, a system and a process for regulating a wellhead control mechanism. The apparatus is configured to control actuation of a wellhead control mechanism by moving a moveable body of the apparatus between a first position and a second position. When the apparatus is in the first position a valve actuator is actuatable and when the apparatus is in the second position the valve actuator is physically interfered from actuating. When the apparatus is in the second position, the wellhead control mechanism cannot be actuated and is held in either an open, a partially open or a closed position. Other embodiments of the present disclosure relate to a system that directly controls actuation of a wellhead actuation mechanism.

The invention discloses a response speed optimization method applied to an actuator of a ship electric control valve, particularly relates to the field of response regulation of the ship electric control valve, and aims to solve the problems of response delay and unstable speed regulation of the actuator under complex working conditions. Performing linkage analysis on the actuator signal behavior and the deviation trend, and accurately separating a distortion wave band in an inertia compensation threshold domain; a double-parameter mechanism based on a frequency domain energy level and a time domain return difference is introduced, a distortion identification coefficient is generated by means of machine learning, and whether correction operation is introduced or not is accurately determined, so that the speed regulation process has pertinence and controllability; a speed transition curve is formed by driving of a correction factor, and it is guaranteed that the regulation and control signal has the flexible adaptation capacity; a path numbering mechanism realizes traceability of a regulation track, a posterior deviation curve is iteratively combined with a feature set, a strategy is driven to evolve continuously, and the response speed and process stability of an actuator are integrally improved.

The invention belongs to the technical field of valve executing parts, and discloses an executing mechanism driven by shape memory alloy, which comprises a supporting disc and a guide cylinder, a first binding post, a second binding post and a plurality of groups of positioning columns are arranged on the top surface of the supporting disc, the plurality of groups of positioning columns are spirally distributed, and a memory alloy wire is arranged on the top surface of the supporting disc. One end of a memory alloy wire is connected with the second binding post, the memory alloy wire is in sliding contact with the surface of the positioning column, and finally the memory alloy wire is in contact with the surface of the first binding post and then penetrates through a through hole in the center of the supporting disc to penetrate into a guide cylinder, and a connecting cylinder at the top end of the guide cylinder penetrates into the through hole in the center of the supporting disc; a positioning spring and a sliding block are arranged in the guide cylinder in a penetrating mode, the sliding block is connected with the tail end of the memory alloy wire, and a mandrel is arranged at the bottom end of the sliding block. The memory alloy wire is arranged in a spiral mode and occupies a smaller space, when the memory alloy wire is heated and integrally contracts, the memory alloy wire pulls the sliding block to move, longer linear displacement is achieved, and the executing mechanism is more compact in structure.

A gate valve and actuator for selectively opening and closing the gate valve. The gate valve has a housing having a passageway therethrough, a valve member moveable in the housing to selectively open and close the gate valve, and a connecting member connected to the valve member. The actuator has a linear actuator having a housing, a shaft selectively extendable from and retractable into the housing, a motor, and a bracket for connecting the linear actuator to the valve member. The bracket has a first pair of opposed slots having a length, and a second pair of opposed slots having a length greater than the length of the first pair of opposed slots. A securement mechanism selectively secures the connecting member between either the first pair of opposed slots or the second pair of opposed slots.

The invention discloses a control method and system of an electronic water valve actuator and the electronic water valve actuator, and particularly relates to the technical field of automobile waterway control. Acquiring real-time operation data of the electronic water valve based on the control signal and real-time operation environment data of the electronic water valve; when the real-time operation data is not obtained or the obtained real-time operation data is invalid, matching operation environment data with the highest similarity with the real-time operation environment data in a pre-constructed operation time sequence matching table, and extracting operation control data corresponding to the operation environment data with the highest similarity; and target control data in the control signals are corrected through the extracted operation control data, and the electronic water valve is controlled to continuously operate based on the corrected control signals.

The invention belongs to the field of intelligent valves and actuators, and provides a novel intelligent valve actuator which comprises a sensing detection unit used for detecting temperature, pressure, differential pressure and flow parameters in the working environment of a valve in real time, and an intelligent control unit used for receiving data of the sensing detection unit, processing the data according to a preset algorithm and sending the processed data to the valve actuator. The intelligent control unit is used for controlling the opening and closing states of the valve, and the wireless remote transmission unit is used for wirelessly transmitting data of the sensing detection unit and a processing result of the intelligent control unit to external equipment; according to the novel intelligent valve actuator, real-time monitoring, intelligent control, wireless remote transmission, safety protection and user-friendly interaction of valve working environment parameters are achieved, and the intelligent level and the automation degree of the valve actuator are remarkably improved; the problems that a traditional valve actuator is single in function and cannot monitor working environment parameters in real time are solved.

The invention belongs to the technical field of valve actuator production, and particularly relates to a polishing device for valve actuator production and machining, which comprises a workbench, one side of the upper end surface of the workbench is fixedly connected with a frame body, the two ends of one side of the frame body are fixedly connected with sliding rods I, and the two sides of the sliding rods I are slidably connected with clamping blocks; the workbench is further provided with an area controllable type grinding assembly. The area-controllable grinding assembly comprises transverse moving columns slidably connected to the two sides of the upper end face of the workbench, one sides of the upper ends of the transverse moving columns are fixedly connected with connecting rods, and one ends of the connecting rods are fixedly connected with a fixing disc. According to the polishing device, the area-controllable polishing assembly is utilized, and in the polishing process, the two ends of the shell can be blocked through the two pieces of elastic cloth, so that chippings cannot be splashed out of the shell, and the situation that the chippings pollute the surrounding working environment is avoided.

The utility model relates to the technical field of electric valves, and discloses an electric valve actuating mechanism torque detection device which comprises a base, a protection box fixedly installed on the upper portion of the base, a PLC fixedly installed on the right side of the protection box, a display screen fixedly installed on the right side of the protection box and a torque sensor arranged in the protection box. And a connecting assembly arranged between the base and the protection box, the connecting assembly comprises a dismounting mechanism arranged in the protection box, the lower part of the base is provided with a moving mechanism, the upper part of the mounting plate and the torque sensor are fixedly mounted, one end of the first spring is fixedly connected with the sliding block, and the clamping rod and the clamping groove are clamped. The outer end of the second spring is fixedly connected with the pull rod. According to the utility model, the problem that the applicability of the device is affected because the torque sensor is inconvenient to overhaul and maintain manually because the torque sensor is inconvenient to disassemble in the prior art is solved.

The invention relates to the technical field of digital twinning, and particularly discloses a digital twinning-based stop valve intelligent control method, which comprises the following steps that a digital twinning model of a pipe network system is decomposed into a plurality of sub-models, and each sub-model corresponds to a stop valve and a corresponding associated pipe network area; monitoring data of a single stop valve are obtained, the monitoring data are transmitted to the corresponding sub-model, and the sub-model updates the model state according to the monitoring data; exchanging monitoring data among the sub-models to form a global data set, and calculating the opening degree adjustment amount of the stop valve based on the sub-models with updated model states and the global data set; and the opening degree adjustment amount is sent to a stop valve actuator, and the actuator drives the stop valve to act. According to the method, the overall hydraulic coupling state of the pipe network is sensed by dividing associated areas and exchanging data; and pressure fluctuation and hydraulic unbalance are effectively inhibited based on cooperative calculation of the valve opening adjustment amount.

The invention discloses a valve actuator capable of guaranteeing execution stability, and relates to the technical field of valve control, the valve actuator comprises a mounting box, a top partition plate is fixedly arranged at the top position of an inner cavity of the mounting box, a valve execution assembly is arranged at the top of the top partition plate, and the valve execution assembly can drive a plate valve to open or close the valve. The valve executing assembly comprises a power motor, a core screw cylinder, a butt joint cylinder and a driving block, the core screw cylinder is rotationally connected to the edge of the top of the top partition plate, the driving block is screwed into the outer wall of the core screw cylinder in a threaded mode, an extending block is fixedly arranged on one side face of the driving block, and the butt joint cylinder is fixedly arranged at the bottom of the extending block; a power motor is fixedly arranged at the top of the top partition plate, a power-off clutch assembly is arranged at the position, on the side face of the core screw cylinder, of the output end of the power motor, the core screw cylinder and the power motor are separated through the power-off clutch assembly when the whole valve execution assembly is powered off, and meanwhile workers can manually control the whole valve execution assembly conveniently.

The invention relates to the technical field of AI intelligent valve actuator training, in particular to an AI intelligent valve actuator training method and system based on a multi-modal large model, and the system comprises a training processor, a training error analysis unit, a progressive evaluation unit, a simulation evaluation unit, an autonomous training management unit and a training management unit. According to the method, analysis is performed preliminarily from the angle of the training reading rate in the valve actuator training process, on one hand, effectiveness of the constructed valve dynamic response model is ensured, and on the other hand, safety supervision on the valve actuator training process is facilitated, so that normality of the valve actuator is ensured; the method is advantaged in that the valve actuator training failure rate is further reduced, analysis is further carried out from the versatility angle of the valve actuator, the intelligent valve can be accurately controlled by the current valve actuator in different scenes, analysis is carried out from the simulation test angle, and it is guaranteed that the output action result and the actual result are always kept in the error range.

A respirator has a shell that defines a breathable air zone for a user wearing the respirator. An air flow control system for the respirator has an air delivery conduit within the shell of the respirator, a valve member moveable relative to the air delivery conduit and within the shell to vary the amount of air flow through the air delivery conduit, and a valve actuator outside of the shell of the respirator. The valve actuator is manipulatable by a user of the respirator while wearing the respirator to control movement of the valve member.

The invention relates to the field of diaphragm valve control mechanisms, in particular to a valve actuator and a using method thereof.The valve actuator comprises a valve body and a valve deck fixed to the top of the valve body and further comprises an actuator mechanism, and the actuator mechanism comprises a lower cylinder cover, a cylinder body and an upper cylinder cover which are vertically communicated in sequence; a piston rod penetrating out of the valve deck downwards is arranged in the middle of the upper cylinder cover in a penetrating mode, and the cylinder body is divided into an upper air chamber and a lower air chamber by a piston disc outside the piston rod. The rotatable sliding ring is arranged to be communicated with the upper air pipe connector and the lower air pipe connector, two-degree-of-freedom flexible adjustment of the circumferential position and the rotation direction of the air pipe connector is achieved, and the problem of installation adaptation caused by the fact that the position of an existing actuator air pipe connector is fixed is solved; the sliding ring is unlocked by squeezing the two sets of elastic pieces to be close to the supporting ring, the air pipe connector is driven to adjust the circumferential distribution position so as to adapt to different circumferential layouts of external air path connectors, and operation is convenient and fast.

Valves for relieving pressure from high-pressure fluid systems have a valve fitting and a valve actuator. The pressure relief valve is normally shut and is adapted to open at a relief fluid pressure. It comprises a valve fitting and an actuator. The actuator has a valve stem, a spring, and an electromagnet. The stem is coupled to a valve body and mounted for linear reciprocation. The spring applies a mechanical force that biases the stem to place the valve in a normally shut state, but allows the valve to open at a first fluid pressure below the relief pressure. The electromagnet applies a magnetic force that, together with the mechanical force, holds the valve in an operationally shut state at a second fluid pressure above the relief pressure. The valve may be opened at fluid pressures above the first fluid pressure by de-energizing the electromagnet at the relief pressure.

A downhole shunt tube isolation system having a fluid channel and a piston hydraulic chamber disposed within a valve actuator housing, wherein the fluid channel is sealed via a plug to hydraulically lock a valve in an open position, wherein a gravel slurry is configured to flow from a first tube segment through the valve to a second tube segment when the valve is in the open position. A portion of the plug is displaced to open a fluid path through the plug to the piston hydraulic chamber, wherein opening the fluid path to the piston hydraulic chamber hydraulically unlocks the valve, closing the valve via a biasing force to block the flow of the gravel slurry from a first tube segment through the valve to a second tube segment.

A slit gate is disclosed. The slit valve gate includes a base portion configured to be coupled to the slit valve actuator and including a first angled alignment feature. The slit gate further includes a sealing portion coupled with the base portion. The sealing portion is configured to establish a hermetic seal between the slit valve gate and a sealing surface of the slit valve opening. The slit gate further includes a clamping portion coupled to the base portion. The clamping portion includes a second angled alignment feature configured to interface with the first angled alignment feature of the base portion to align the clamping portion relative to the base portion. The clamping portion at least partially retains the sealing portion between the clamping portion and the base portion.

A valve block body includes a monolithic main body formed by additive manufacturing and comprising a plurality of base portions with valve seats accessible via seat openings, a plurality of fastening portions, a plurality of process fluid connections, and a plurality of tubular walls defining internal fluid channels. A biomimetic structure connects the base portions, fastening portions, and tubular walls, and includes features such as variable density, hierarchical branching, and alignment along primary force paths to optimize strength and reduce material usage. The structure can include clamping force transmission portions and tubular support portions. Valve diaphragms can be provided to close the seat openings. The main body can further include a plate-shaped support contour and an outer housing. A fitting assembly includes the valve block body and a drive carrier with valve actuators and movable clamping elements for securing the valve block body during operation.

The invention relates to a valve rod speed changing device which comprises a shell 10, an eccentric disc 20, an inner gear ring 30, an output shaft 40 and a driving shaft 50, the eccentric disc 20 rotates in the shell 10, the eccentric disc 20 is provided with an eccentric hole 21, the inner gear ring 30 rotates in the eccentric hole 21, the output shaft 40 is provided with an output gear 41, and the output gear 41 is meshed with inner teeth 31 of the inner gear ring; within the first rotating stroke of the driving shaft 50, the driving shaft 50 drives the inner gear ring 30 to rotate, and the inner gear ring 30 drives the output shaft 40 to rotate; and in the second rotating stroke A2 of the driving shaft 50, the driving shaft 50 drives the eccentric disc 20 to rotate, and the output shaft 40 and the driving shaft 50 synchronously rotate. The eccentric disc and the biased inner gear ring are adopted to be matched with a locking / unlocking structure, segmented rotating operation is achieved, the driving stroke of the valve rod can be increased, different driving speeds are obtained, the eccentric disc and the biased inner gear ring are combined with a valve actuator, the actuator can operate a valve with the stroke larger than the stroke of the actuator, the operation efficiency is improved, and the operation load of the actuator is balanced.

The invention discloses a converter three-time dust removal control method and related equipment, and relates to the technical field of steel smelting, the method comprises the following steps: obtaining real-time image data and a current production process stage of a converter mouth area; performing smoke detection processing on the real-time image data to obtain smoke state characteristics; when the smoke state feature meets a first trigger condition and the current production process stage meets a second trigger condition, generating a dust removal control instruction; and the dust removal control instruction is sent to the target tertiary dust removal fan and the valve execution mechanism. Through double judgment of image recognition and the process stage, rapid and accurate dust removal control of converter smoke dust can be achieved, and environmental protection, energy conservation and operation safety are all considered.

This invention provides a valve actuation device and a valve assembly for controlling fluid flow. The valve actuation device comprises: a linear actuator including a shaft operatively coupled to an electric motor; a fluid-sealed enclosure housing the shaft and a rotor of the electric motor; a control unit located outside the enclosure; and a housing containing the linear actuator, the enclosure, and the control unit. According to the invention, the housing has a heat shield between the enclosure and the control unit. The heat shield may have a wall portion molded or mounted on the inner side of the housing, wherein the wall portion may circumferentially surround a front closed end of the enclosure.