432 results about "Valve actuator" patented technology

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 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.

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.

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 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 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 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 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.

The utility model provides a small-sized electric actuator, which comprises a shell, a base and a hand wheel assembly, the shell is arranged on the base, a valve door spindle is arranged on the base, a speed reducing motor assembly, a position sampling assembly, a control unit assembly and a mechanical transmission assembly are arranged on the base, the speed reducing motor assembly is arranged on the base, and the position sampling assembly is arranged on the position sampling assembly. An output shaft of the gear motor assembly is connected with the valve door shaft and rotates coaxially with the valve door shaft, the position sampling assembly is arranged on the inner wall of the shell, the control unit assembly is electrically connected with the position sampling assembly, the hand wheel assembly is arranged on the base, and the control unit assembly is electrically connected with the position sampling assembly. The manual valve actuator has the advantages that the manual valve actuator can receive remote signal instructions through the control unit assembly and control opening and closing operation of an actuating mechanism in real time, and on-site valve operation can be carried out through the display button assembly and the hand wheel assembly; and effective protection is implemented.

The invention relates to a coupling arrangement for establishing a mechanical and a fluid connection between rail vehicles, comprising: a mechanical draw coupling for mechanical connection with a counter-draw coupling of a counter-coupling arrangement, and an air coupling for coupling with a counter-air coupling of the counter-coupling arrangement with a valve arrangement associated with the flow channel, actuated by means of a valve actuator for releasing or pressure-tight sealing of the flow channel, wherein the valve actuator is at least indirectly coupled to the coupling closure of the mechanical draw coupling. The invention is characterized in that it includes an overload protection device for decoupling the valve actuator from the coupling closure in the event of an overload.

The utility model discloses a large-torque electric valve actuator which comprises a box body, a middle connecting seat and a motor. A top blank cap is arranged on the surface of the box body, a connecting disc is arranged on one side of the box body, an oil seal A is connected between the box body and the connecting disc, and a stroke rotating piece is arranged in the box body; according to the electric valve actuator, the motor is started to drive the gear to rotate, the gear is meshed with the worm gear, so that the worm gear can be driven to rotate under the rotation of the gear, the worm gear can drive the worm part to rotate in the box body, and the work of the electric valve actuator is completed; the bolt is pulled out from one side of the rotating rod, limitation on the rotating rod is relieved, the handle is pushed, the handle drives one end of the rotating rod to be inserted into the bottom of the worm part, the handle is rotated, the rotating rod and the worm part can be driven to rotate through the handle, the electric valve actuator is further controlled, and electric and manual driving of the electric valve actuator can be achieved.

The utility model is applicable to the technical field of valve actuating equipment, and provides a valve actuating mechanism which comprises a speed reduction assembly and a detection assembly, the speed reduction assembly is composed of multiple stages of meshing gears, and torque is adjusted through step-by-step speed reduction; the detection assembly comprises a magnetic field source assembly and a detection element, and the magnetic field source assembly is rotationally connected with the output gear. The first connecting piece connected with the valve is arranged on the axial end face of the output gear so as to drive the valve to rotate to achieve opening and closing of the valve, the multi-stage meshing gear can reduce concentration of a load part, and transmission speed change of the meshing gear is prevented from being affected. The detection element is used for detecting changes of rotation angles of the magnetic field source assembly and the first connecting piece and outputting electric signals to enable the output gear to drive the first connecting piece to rotate to the accurate position, and the position accuracy of opening or closing of the valve is improved.

Disclosed is an actuator for actuation of a fluid dispense valve in a pressurized fluid powered fluid dispensing device. The actuator comprising structure to generate a pressure differential between a first zone and a second zone. The zones being adjacent a valve member of the fluid dispense valve of the device such that upon generation of the pressure differential the valve member is moved from the zone of relatively higher pressure towards the zone of relatively lower pressure such that the valve is opened.

The utility model discloses a valve actuator which comprises a shell, a circuit board, a driving motor and a gear transmission mechanism are arranged in the shell, the driving motor is electrically connected to the circuit board, and the output end of the driving motor is connected to the gear transmission mechanism in a driving mode. A linkage part is arranged at one end of the gear transmission mechanism, a connecting part is connected to the other end of the gear transmission mechanism, the connecting part is exposed out of the lower surface of the shell, a rotating part used for manual rotation is arranged on the upper surface of the shell, and the rotating part is connected to the linkage part; the rotating part is rotated to drive the linkage part to rotate, and the linkage part is in linkage with the gear transmission mechanism to act, so that the gear transmission mechanism drives the linkage part to rotate; therefore, a manual switch and an automatic switch are integrated, and the problem that switching cannot be carried out when power is off or power is off is solved.

The anti-explosion straight-moving electric actuator comprises an anti-explosion motor and a straight-moving mechanism, the straight-moving mechanism comprises an anti-explosion inner shell, an upper sealing cover and a lower sealing cover are fixed to the upper side and the lower side of the anti-explosion inner shell correspondingly, and a sliding table frame is arranged in the anti-explosion inner shell; four groups of straight sliding rods and transmission connecting seats are fixed at the bottom of the sliding table frame; a first lead screw and a second lead screw are rotationally connected between the upper sealing cover and the lower sealing cover, a first ball nut seat and a second ball nut seat are fixed to the sliding table frame, the upper sealing cover is provided with a driving gear, the first lead screw is provided with a sun gear, and a transfer mechanism is arranged in the explosion-proof shell. Different transmission modes can be switched under the manual mode and the electric mode by combining the transfer mechanism, the appropriate transmission speed and torque can be selected according to the actual working condition, and the transmission efficiency is improved.

The utility model relates to the field of valve actuators, in particular to a quick connecting device for a valve actuator, which comprises an actuator, positioning pin shafts, an elastic clamp spring, a valve and a flange plate, the four positioning pin shafts with the same size are mounted on the side wall of the bottom of the actuator and can be clamped into the flange plate, so that the lower end face of the actuator is tightly attached to the upper end face of the flange plate; an elastic clamping spring is installed at the position, clamped into the lower end of the flange plate, of the positioning pin shaft.

The utility model relates to a movable steering support for a valve installation actuator, which relates to the technical field of valve actuator installation, and comprises a movable support, a steering device and a steering device, the fixed part is used for connecting a valve, and the rotating part is used for mounting an actuator; the rotating piece is rotatably connected to the fixed piece; one end of the universal joint is connected with the output end of the actuator, and the other end of the universal joint is connected with a valve rod of the valve. Particularly, the working condition problem that the valve actuator is blocked by a real object and cannot be installed is solved, the installation difficulty and time are remarkably reduced, equipment abrasion and damage caused by rigid connection are avoided, and therefore the reliability of a system is improved, and the service life of the system is prolonged.

1. Name of the product in this design: Electric valve actuator. 2. Purpose of this design: A device for regulating and controlling valve switching. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

Systems and methods for controlling valve actuators are provided. The system includes an interface circuit in electrical communication with a wiring connection from a pool / spa control system, and a processor in communication with the interface circuit. The interface circuit extracts a plurality of encoded bits transmitted to the interface circuit from the pool / spa control system over the wiring connection. The plurality of encoded bits could include Manchester-encoded bits that are encoded by the pool / spa control system by altering signals transmitted to the interface circuit over the wiring connection. The processor receives the plurality of encoded bits from the interface circuit and processes the plurality of encoded bits into a control command for controlling operation of the valve actuator. When a valid control command has been generated, the processor executes the control command to operate the valve actuator in accordance with the control command.

The present invention provides an electro-pneumatic arrangement to act as a mechanical timer (delay) in ON-OFF valve actuators. The arrangement comprises: two directional valves (1 and 2) with three ways and two positions, actuated by solenoid; a three-way, two-position directional valve (3), actuated by a pneumatic pilot; a set of compressed air conditioning with filter and pressure regulating valve (4); a valve metering (precise flow rate adjustment) (5), a check valve (6); and an accumulator vessel (7).

The utility model provides a heat preservation device for an air valve actuating mechanism, which relates to the technical field of air valve heat preservation equipment and comprises an upper shell, a lower shell and a handle shell. The upper shell and the lower shell are attached to the air valve executing mechanism and located on the outer side of the air method executing mechanism. The handle shell is matched and connected with a handle of the air valve actuating mechanism; fixing holes are formed in the upper shell and the lower shell, and fixing screws penetrate through the fixing holes to be connected with the air valve body. The device has the advantages of being reasonable in design, simple in structure, safe, reliable, capable of guaranteeing that the device does not interfere with an air valve rotating mechanism and can be used normally.

A valve adaptor apparatus designed to convert a manual valve to automatic operation. The apparatus comprises a valve adapter with a top and bottom surface and at least one hole extending from the top to the bottom surface, an actuator, and a valve actuator adapter. The actuator is electronically controlled and adjusts the valve settings based on external commands. The valve adapter is designed to engage with the manual valve.

This invention relates to the field of valve actuator technology, specifically a gas-hydraulic linkage actuator for natural gas transportation pipelines. It includes a gas storage tank, an opening gas-hydraulic tank, a closing gas-hydraulic tank, and an actuator cylinder. The gas storage tank, controlled by a gas valve, inputs compressed gas into either the opening or closing gas-hydraulic tank. Under the action of the compressed gas, the opening or closing gas-hydraulic tank generates positive pressure hydraulic oil, which is then input into the actuator cylinder to control its opening and closing action. This invention can store compressed gas in the gas storage tank as a power source, and also possesses the incompressibility of hydraulic oil, enabling the natural gas transportation pipeline to maintain a rigid and stable closed state after shutdown, thus enhancing safety. Furthermore, the output hydraulic oil has a pulse pressurization effect, which is beneficial for breaking up blockages and congestion in the hydraulic pipeline.

The utility model relates to a labor-saving type first installation structure of a valve actuator. The labor-saving type first installation structure comprises an actuator body. The actuator body comprises a base, a stroke column and a shell, and a first open ring is rotatably installed on the base and arranged on the stroke column in a sleeving mode. The rotation path of the first open ring is limited by the base, the first open ring plays a role in supporting the stroke column in the rotation process, and a jacking block used for supporting a protruding structure on the outer circle surface of the stroke column and a reset elastic piece used for abutting against the inner wall of the shell and pushing the first open ring to reset are formed on the first open ring. The first open ring is additionally arranged on the base, the stroke column is supported by the first open ring, and the axial thrust needing to be overcome by an operator during installation is remarkably weakened.