CN-121977103-A - Intelligent electric actuator capable of remotely controlling valve

CN121977103ACN 121977103 ACN121977103 ACN 121977103ACN-121977103-A

Abstract

The invention discloses an intelligent electric actuator capable of remotely controlling a valve, relates to the technical field of intelligent electric actuators, and aims to solve the problems that a traditional actuator needs field operation, and is low in control precision and insufficient in reliability. The intelligent valve comprises a main body, a valve tube, a remote control platform, a module box, a driving box, a servo motor, an intelligent module assembly and a lifting mechanism, wherein the remote control platform comprises an instruction generation module, a data receiving module, a parameter configuration module and a state monitoring module, the remote control platform is in bidirectional communication with the intelligent module assembly, the intelligent module assembly comprises a power supply module, a numerical control module and an information module, and an infrared range finder is combined with an environmental factor to correct the valve opening. The invention realizes remote control, accurate opening adjustment and state monitoring through closed-loop control, has a remote, local and emergency triple regulation mechanism, meets the unmanned requirement of industrial automation, improves the control precision and the operation reliability, and can be widely applied to various fluid control scenes.

Inventors

YANG KAI
ZENG XIANG
ZHENG QING
Li Anhao

Assignees

吉林省百瑞生科技发展有限公司

Dates

Publication Date: 20260505
Application Date: 20260205

Claims (9)

1. An intelligent electric actuator capable of remotely controlling a valve comprises a main body (1), a valve pipe (2) arranged at the lower end of the main body (1), a remote control platform, a module box (3), a driving box (4), a servo motor (5), an intelligent module assembly and a lifting mechanism, wherein the sealed module box (3) is fixedly arranged on one side of the main body (1), the sealed driving box (4) is fixedly arranged on the other side of the main body, the intelligent module assembly is packaged in the module box (3), the servo motor (5) is fixedly arranged in the driving box (4), and the lifting mechanism for driving the valve to be opened and closed is arranged in the main body (1); The remote control platform and the intelligent module component establish a two-way communication link, and the remote control platform comprises an instruction generation module, a data receiving module, a parameter configuration module and a state monitoring module, wherein the state monitoring module is used for carrying out state analysis on running state data to obtain a state analysis result; The intelligent module assembly is electrically connected with the servo motor (5) and the lifting mechanism respectively, is in communication connection with the remote control platform, and is used for receiving an instruction output by the remote control platform and driving the servo motor (5) to act, and meanwhile, collecting running state data and feeding back the running state data to the remote control platform.
2. The intelligent electric actuator capable of remotely controlling the valve according to claim 1, wherein the intelligent module assembly comprises a power module (6), a numerical control module (7) and an information module (8), the numerical control module (7) is used for instruction analysis, data processing and control signal output, and the information module (8) is used for establishing a communication link with a remote control platform.
3. The intelligent electric actuator of the remotely controllable valve is characterized in that the lifting mechanism comprises a worm (9), a supporting rod (10), a worm wheel (11) and a screw rod (12), the worm (9) is in transmission connection with the output end of a servo motor (5) through a coupler, the worm wheel (11) is in meshed transmission connection with the worm (9) and is rotatably connected inside a main body (1), an internal thread is arranged in the center of the worm wheel (11) and is in threaded fit with the screw rod (12), and the supporting rod (10) is fixed at the bottom end of the main body (1).
4. The intelligent electric actuator capable of remotely controlling the valve according to claim 3, wherein a signal receiving unit is arranged at the bottom end of the screw rod (12), an infrared distance meter (18) is arranged at the position, corresponding to the signal receiving unit, of the bottom end inside the main body (1), the infrared distance meter (18) is electrically connected with the numerical control module (7) and used for collecting lifting displacement data of the screw rod (12) in real time, the infrared distance meter (18) acquires distance data by adopting a triangle distance measurement principle, and performs error correction by combining humidity and turbidity factors in a water environment scene, and the corrected distance data is converted into the actual opening of the valve.
5. The intelligent electric actuator capable of remotely controlling the valve according to claim 3, wherein the bottom end of the supporting rod (10) is provided with a connecting end through a connecting flange (16), the front end of the main body (1) is provided with a numerical control screen (17), the numerical control screen (17) is electrically connected with a numerical control module (7) of the intelligent module assembly and used for locally visually displaying the opening degree, running state data and control parameters of the valve, the upper end of the screw rod (12) is fixedly connected with a valve wheel (13) through a rotating shaft, the valve wheel (13) is positioned at the upper end of the main body (1), the bottom end of the screw rod (12) is fixedly connected with a sliding rod (14), the inside of the sliding rod (14) is provided with a sliding groove matched with the supporting rod (10), and the bottom end of the sliding rod (14) is fixedly connected with a connecting rod (15).
6. The intelligent electric actuator capable of remotely controlling a valve according to claim 1, wherein the instruction generating module is used for receiving an operation instruction input by a user, converting the operation instruction into a standardized control signal, wherein the operation instruction comprises a valve opening and closing instruction and a target opening adjusting instruction, the instruction generating module issues the control signal according to a preset control period, and the retransmission is automatically performed when a feedback confirmation signal is not received, and the retransmission interval is set in an incremental mode.
7. The intelligent electric actuator capable of remotely controlling the valve according to claim 1, wherein the intelligent electric actuator is used for receiving running state data fed back by an intelligent module component, the running state data comprise valve real-time opening data, servo motor (5) running state data and power supply state data, the data receiving module adopts a three-stage processing mechanism of receiving, checking and analyzing, when checking is failed, a retransmission request is sent to the intelligent module component, and when continuous multiple receiving fails, a data channel abnormality is marked and an alarm is triggered.
8. The intelligent electric actuator capable of remotely controlling the valve according to claim 1, wherein the parameter configuration module is configured to receive control parameters set by a user and send the control parameters to the intelligent module assembly, the control parameters include an opening adjustment precision threshold, an instruction response delay parameter and a state feedback period parameter, the parameter configuration module processes the control parameters by adopting an encryption algorithm and sends the processed control parameters, and the intelligent module assembly decrypts and restores the processed control parameters and stores the decrypted control parameters in the nonvolatile memory.
9. The intelligent electric actuator capable of remotely controlling the valve according to claim 1, wherein the state monitoring module of the remote control platform is used for carrying out state analysis on the running state data, obtaining a state evaluation value by calculating a valve opening state score, a servo motor state score and a power supply state score and combining with a preset weight, and comparing the state evaluation value with a threshold value set by a preset state judgment threshold value set, judging the running state of the actuator and correspondingly triggering different indication or alarm mechanisms.

Description

Intelligent electric actuator capable of remotely controlling valve Technical Field The invention relates to the technical field of intelligent electric actuators, in particular to an intelligent electric actuator capable of remotely controlling a valve. Background At the moment of rapid development of industrial automation and intellectualization, an electric actuator is used as a core driving component for valve control, and is widely applied to a plurality of industrial fields such as petrochemical industry, municipal water supply and drainage, heating ventilation and air conditioning, intelligent manufacturing and the like. The key function of the device is to convert electric energy into mechanical kinetic energy, drive various valves such as ball valves and gate valves to finish opening and closing or opening adjustment, further realize accurate control of flow and pressure of fluid medium, and be key equipment for guaranteeing continuous and stable operation of industrial production flow. Along with the transformation of the industrial production mode to unmanned and remote control, the industry brings more stringent requirements on the control convenience, control precision and environment suitability of the actuator, and the traditional electric actuator is difficult to meet the production requirements in a new period. The traditional electric actuator generally adopts a wired control or manual field operation mode, lacks a standardized remote signal transmission and instruction analysis mechanism, cannot realize complex remote operations such as opening adjustment, parameter modification and the like, not only increases labor cost, but also is difficult to adapt to the 'unattended' requirement under remote working conditions or dangerous environments, and meanwhile, the transmission mechanism of the traditional electric actuator mostly adopts gear direct drive or simple screw rod transmission, has the defects of large transmission clearance, unstable torque output and the like, leads to insufficient control precision of valve opening and closing and opening adjustment, easily causes the problems of fluid leakage, flow out of control and the like, and further causes safety accidents or production loss. Under the circumstances, there is a need for an intelligent electric actuator with remote control capability and high control accuracy, so as to solve the above-mentioned critical technical pain. Disclosure of Invention The invention aims to solve the defects in the prior art, and provides an intelligent electric actuator capable of remotely controlling a valve. In order to achieve the aim, the intelligent electric actuator capable of remotely controlling the valve comprises a main body, a valve tube arranged at the lower end of the main body, a remote control platform, a module box, a driving box, a servo motor, an intelligent module assembly and a lifting mechanism, wherein the valve tube is arranged at the lower end of the main body; the intelligent module assembly is packaged in the module box, a servo motor is fixedly arranged in the driving box, and a lifting mechanism for driving the valve to open and close is arranged in the main body; The remote control platform and the intelligent module component establish a two-way communication link, and the remote control platform comprises an instruction generation module, a data receiving module, a parameter configuration module and a state monitoring module, wherein the state monitoring module is used for carrying out state analysis on running state data to obtain a state analysis result; The intelligent module assembly is electrically connected with the servo motor and the lifting mechanism respectively, is in communication connection with the remote control platform, and is used for receiving an instruction output by the remote control platform and driving the servo motor to act, and meanwhile, collecting running state data and feeding back the running state data to the remote control platform. Preferably, the intelligent module assembly comprises a power module, a numerical control module and an information module, wherein the numerical control module is used for instruction analysis, data processing and control signal output, and the information module is used for establishing a communication link with a remote control platform. The lifting mechanism comprises a worm, a support rod, a worm wheel and a screw rod, wherein the worm is in transmission connection with the output end of the servo motor through a coupler, the worm wheel is in meshed transmission connection with the worm and is rotationally connected to the inside of the main body, an internal thread is arranged at the center of the worm wheel and is in threaded fit with the screw rod, and the support rod is fixed at the bottom end of the main body. The infrared distance meter is electrically connected with the numerical control module and used for acquiring lifting displacement data of