776 results about "Valve actuator" patented technology

The invention discloses an intelligent adjusting system of an adaptive multi-environment ship electric control valve actuator, which relates to the technical field of control valve adjustment and comprises an environment judgment module, a real-time monitoring module, an adaptive adjusting module and a feedback optimization module. The environment judgment module collects environment data through various sensors distributed on an electric control valve and around the electric control valve, and the environment data are processed through a signal conditioning and microprocessor application algorithm. According to the intelligent adjusting system of the self-adaptive multi-environment ship electric control valve actuator, the adaptability and the stability of the ship electric control valve actuator in variable environments are remarkably improved; the electric control valve actuator can monitor and respond to environment changes such as temperature, humidity, vibration and electromagnetic interference in real time, it is ensured that the electric control valve actuator can be accurately regulated and controlled under the extreme working condition, and therefore the reliability and safety of a ship system are improved.

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.

A torque limiting coupling assembly shields a valve actuator from abnormally high levels of torque. In normal operation, an actuator coupling transfers a driving torque from an actuator coupling to a valve shaft coupling and the valve shaft coupling engenders a shaft torque on a shaft of a valve. In torque actuated operation, when a counter torque applied to the shaft coupling exceeds a threshold value, the actuator coupling freely rotates relative to the valve shaft coupling and the driving torque is transferred to a biasing element of the torque limiting coupling assembly rather than to the valve shaft coupling, thereby shielding the valve or the actuator from high levels of torque.

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.

Systems and methods are provided for automatically actuating preexisting water shut-off valves. A coupling of a valve actuator is connected to a handle of the valve, such that a motor of the valve actuator causes the selective opening and closing of the water shut-off valve. A controller monitors and controls valve actuation by controlling the motor. In addition to actuating the water shut-off valve upon detection of leak conditions, the controller may actuate the valve in order to test the water supply system or to test operation of the water shut-off valve. The operating status of the water shut-off valve may thus be monitored in order to detect or address problems with the water shut-off valve to prevent unexpected valve failure after a leak is detected.

A valve control device for controlling operation of a valve actuator configured to be connected to a valve member. The valve control device being configured to be removably mounted on the valve actuator and comprises: a position sensor for detecting actuating position of the valve actuator and outputting the detected position as a feedback signal; a memory device for storing position data reflecting the feedback signal from the position sensor at at least one actuating position of the valve actuator; and an electronic control unit for controlling operation of the valve actuator using the feedback signal from the position sensor and the position data from the memory device; wherein the electronic control unit is configured for automatically performing a reset of the position data of the memory device as a result of the valve control device becoming separated from, and / or assembled on, the valve actuator.

The present invention discloses an intelligent control method for an electric control valve actuator for a ship. The present invention pre-processes and comprehensively evaluates the collected fluid pressure data at a ship control center, first calculates the pressure evaluation value within a set time period, then matches it with a preset range interval to obtain a pressure index, and combines it with an ideal pressure index corresponding to the operating condition, so that the valve opening adjustment can better adapt to the host's requirements for changes in fuel pressure under different working conditions. At the same time, for a gradually rising or falling pressure state, the pressure change rate is calculated and the state interval is divided, and the pressure change index is calculated in combination with weight coefficients of different intervals. The opening optimization value and the adjustment direction are determined according to the pressure change index and a preset index value range, thereby achieving precise control, being able to respond in a timely manner to changes in the operating conditions of the ship's main engine and fluctuations in the pressure of the fuel system, effectively ensuring a stable supply of fuel flow and pressure, and improving the operating efficiency and stability of the ship's main engine.

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.

The present invention relates to the technical field of valve actuators, and discloses a valve actuator performance detection device, including an operating table mechanism, wherein a detection mechanism is installed on the upper end of the operating table mechanism, and a valve actuator body is installed on the detection mechanism; a driving mechanism is installed on the upper end of the valve actuator body, and the driving mechanism includes a first rotating shaft. When the valve actuator body is opened and closed to a certain extent, the lower corrugated teeth, the lower plate, the elastic member, the clamping mechanism and the valve actuator body can no longer rotate, that is, the lower corrugated teeth cooperate and disengage with the upper corrugated teeth, driving the lower plate to move downward and squeeze the elastic member, thereby unloading the force of the first rotating shaft. Even if the first rotating shaft is always in a rotating state, it is impossible to continue to apply force to the switch of the valve actuator body. The device has a safety protection function and solves the problem that the force of motor control is difficult to control and affects the detection result.

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.

A fireproof valve actuator with a temperature sensor convenient to replace relates to the field of fireproof valve actuating mechanisms and is provided with an upper cover, a cover hole is formed in the upper cover, a hole cap is arranged on the cover hole in a matched mode, and a plurality of clamping jaws are evenly arranged nearby the edge of the lower end of the hole cap in the circumferential direction and connected with the cover hole in a clamped mode. The temperature sensor penetrates through the cover hole and penetrates into the hole seat located on the base plate to complete installation, and convenience and rapidness are achieved; the direction pointer is fixedly arranged on the main shaft, after the main shaft rotates, the on-off state of the fireproof valve actuator can be visually judged according to the direction of the direction pointer, the upper cover does not need to be removed, and convenience and intuition are achieved.

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 relates to the technical field of valves, in particular to a marine valve actuator which comprises an actuator body, a mounting platform deck used for mounting a valve is arranged on the actuator body, connecting convex frames are symmetrically and fixedly arranged on the two sides of the mounting platform deck, and mounting guide holes are further symmetrically formed in the two sides of the mounting platform deck; a mounting carrying table is arranged on the actuator body, a valve supporting mechanism is arranged on the mounting carrying table, the valve supporting mechanism is used for supporting a valve when the valve is mounted, a movable carrying table is arranged on the actuator body, and when the valve is fixedly connected with the actuator, the valve is in close contact with the movable carrying table; and then the valve is pushed to drive the movable bearing table to move towards the mounting bearing table, the fixed connection between the valve and the actuator body is automatically realized along with the movement of the movable bearing table, the operation is very simple, convenient and rapid, and the working efficiency of the fixed connection between the valve and the actuator is improved to a great extent.

The invention discloses a pneumatic actuator of a valve, which relates to the technical field of valve actuators and comprises a cylinder body, a left end cover, a right end cover, a left piston, a right piston, a gear shaft, a limiting block, a limiting component and an adjusting component, the left piston and the right piston are arranged in the cylinder body, and the gear shaft is meshed with the left piston and the right piston. The limiting assembly is arranged in the cylinder body and used for limiting the limiting block. The adjusting assembly is arranged on the cylinder body and located below the limiting assembly, and the adjusting assembly is used for adjusting the moving speed of the left piston and the right piston in the cylinder body through the limiting assembly. Through continuous compression of a first elastic piece, the moving distance of a first sliding block in a first guide groove is continuously changed, the section of a first air inlet hole is continuously reduced along with compression of a third elastic piece, the air inlet flow of the first air inlet hole is controlled, and the situation that a left piston and a right piston move too fast in a cylinder body is prevented; and the left piston and the right piston in the cylinder body are separated from the gear shaft.

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 utility model relates to the technical field of electric actuating mechanisms of valves, in particular to an electric state self-recovery mechanism of an electric actuator, which comprises a casing, a worm and gear mechanism, a spline shaft, an electric mechanism and a manual mechanism, and the worm and gear mechanism, the spline shaft, the electric mechanism and the manual mechanism are arranged in the casing. The middle of the spline shaft is connected with the worm and gear mechanism, the automatic disengaging mechanism, the manual disengaging mechanism and the mandrel are arranged in the shell, the output end of the electric mechanism is connected with the left end of the spline shaft through the automatic disengaging mechanism, the manual disengaging mechanism is arranged in the manual mechanism, and the mandrel penetrates through the spline shaft in a sliding mode. The automatic separation mechanism is connected with the manual separation mechanism through a mandrel; the automatic switching device is simple in structural design, and a manual state can be automatically switched into an electric state when the automatic switching device is powered on.

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 provides an automobile electronic water valve actuator which comprises a lower shell and an upper shell, a gear set, a motor and a PCB are arranged in an installation cavity of the lower shell, the upper shell is connected to the opening end of the lower shell, an upper positioning portion is arranged on the lower end face of the upper shell, a lower positioning portion is arranged on the lower shell, the upper positioning portion is matched with the lower positioning portion, and the upper positioning portion is matched with the lower positioning portion. The PCB is pressed and limited between the upper positioning part and the lower positioning part; the free end of an output shaft of the motor is sleeved with a magnetic ring, the PCB is connected with a Hall sensor used for sensing signals of the magnetic ring, and the Hall sensor is electrically connected with the PCB. According to the automobile electronic water valve actuator disclosed by the utility model, the accurate control of the output angle of the actuator is ensured by improving the assembly accuracy of parts and improving the control of the output angle of the motor.

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.