阅读说明：本技术 一种无轴发电机自供电调流调压智能装备 (Self-powered current and voltage regulating intelligent equipment for shaftless generator ) 是由 王浩 黄靖 谭跃进 蒋云钟 刘浩 田雨 朱永楠 肖长松 罗剑宾 孙晓 文比强 于 2020-10-13 设计创作，主要内容包括：本发明公开了一种无轴发电机自供电调流调压智能装备,包括发电系统、监控系统和调控执行系统；所述发电系统为无轴发电机、所述监控系统为智能RTU系统,所述调控执行系统为内置式驱动活塞阀；所述无轴发电机与内置式驱动活塞阀连接,利用调流调压过程形成的余压和能量采用无轴发电技术发电,为实时监测与控制提供稳定输出电源；所述智能RTU系统集成仿真模型的控制策略库,实时采集阀门运行状态和水力参数,通过PID技术对内置式驱动活塞阀进行智能调节和分布式控制。本发明使用无轴发电机进行自供电,在确保管线在安全与压力需求的前提下,实现了管线余压的最大化利用；通过智能RTU和控制系统解决了输水管线多过程、多约束耦合复杂的调度问题。(The invention discloses a self-powered current and voltage regulating intelligent device of a shaftless generator, which comprises a power generation system, a monitoring system and a regulation and control execution system, wherein the monitoring system is used for monitoring the current and voltage of the power generation system; the power generation system is a shaftless generator, the monitoring system is an intelligent RTU system, and the regulation and control execution system is a built-in driving piston valve; the shaftless generator is connected with the built-in driving piston valve, and generates electricity by using residual pressure and energy formed in the flow and pressure regulating process and adopting a shaftless power generation technology, so that a stable output power supply is provided for real-time monitoring and control; the intelligent RTU system integrates a control strategy library of a simulation model, collects the running state and hydraulic parameters of the valve in real time, and intelligently adjusts and controls the built-in driving piston valve in a distributed mode through a PID (proportion integration differentiation) technology. The self-powered pipeline residual pressure self-supplying device uses the shaftless generator for self power supply, and realizes the maximum utilization of the pipeline residual pressure on the premise of ensuring the safety and pressure requirements of the pipeline; the intelligent RTU and the control system solve the scheduling problem of multi-process and multi-constraint coupling complexity of the water transmission pipeline.)

1. A shaftless generator self-powered current and voltage regulating intelligent device is characterized by comprising a power generation system, a monitoring system and a regulation and control execution system; the power generation system is a shaftless generator, the monitoring system is an intelligent RTU system, and the regulation and control execution system is a built-in driving piston valve; the shaftless generator is connected with the built-in driving piston valve, and residual pressure and energy formed in the flow and pressure regulating process are converted into electric energy by adopting a shaftless power generation technology, so that a stable output power supply is provided for real-time monitoring and control; the intelligent RTU system integrates a control strategy of a simulation model, acquires the running state and hydraulic parameters of the valve in real time, and intelligently adjusts and controls the built-in driving piston valve in a distributed mode through a PID (proportion integration differentiation) technology.

2. The intelligent self-powered flow and pressure regulating equipment for the shaftless generator according to claim 1, wherein the shaftless generator comprises a stator, a rotor, a paddle and a gland, the stator and the rotor are arranged in the pipeline, and the rotor and the paddle are integrally designed; the outer wall of the stator is fixedly connected with a pipeline; the rotor comprises a slotted ring and permanent magnets, the slotted ring is arranged on the outer side of the paddle, the permanent magnets with different polarities are alternately placed in a groove of the slotted ring, and the gland is arranged at the joint of the shaftless generator and the pipeline.

3. The shaftless generator self-powered current and pressure regulating intelligent equipment as claimed in claim 1, further comprising a data acquisition control device, wherein the data acquisition control device is connected with the built-in driving piston valve through an RS485 bus, and adjusts the built-in driving piston valve through a built-in control algorithm in the processor, and common water conservancy industry protocols such as Modbus and IEC104 are transmitted, so that the shaftless generator self-powered current and pressure regulating intelligent equipment can be compatible with transmission in various different signal forms and support various communication modes.

4. The self-powered flow and pressure regulating intelligent equipment of the shaftless generator according to claim 3, wherein a processor in the data acquisition control device integrates simulation operation data of a hydraulic model and a device characteristic curve, a strategy knowledge base is constructed, the operation safety of the valve is accurately controlled, and the data acquisition control device controls the built-in driving piston valve in a distributed control mode based on a target instruction and a control strategy.

5. A self-powered flow and pressure regulating intelligent device of a shaftless generator according to claim 3, wherein common valve fault and valve operation characteristic data are integrated in a processor in the data acquisition control device, a health diagnosis knowledge base is constructed, and the health degree of the valve is rapidly and accurately judged.

6. The shaftless generator self-powered current and voltage regulating intelligent equipment according to claim 3, wherein the intelligent RTU system integrates a shaftless generator self-powered current and voltage regulating intelligent equipment KV curve, and the KV curve is used as a basis for daily operation check of health degree judgment such as operation state, fault and the like and is continuously checked; receiving and integrating analysis data of the transient hydraulic model which is finished by the upper platform and iterates the KV curve, taking the analysis data as a basis for safety check of a control process during target control and strategy control, and evaluating the controlled effect; a strategy base is constructed in the intelligent RTU, and an experience control strategy subjected to security check and a control strategy subjected to transient security simulation are stored in a centralized manner to be used as the strategy base; and drawing the control modes in the non-strategy library in the daily control process, and updating the strategy library.

7. A self-powered flow and pressure regulating intelligent device of a shaftless generator according to claim 3, wherein a sensor is mounted on the built-in driving piston valve and connected with a data acquisition control device, and the sensor comprises a vibration sensor and a noise sensor mounted on the surface of the built-in driving piston valve, and a pressure sensor and a flow sensor mounted in the built-in driving piston valve; the collection frequency of the vibration sensor and the noise sensor is 0.2-1 Hz, the collection frequency of the pressure sensor is 10-100 Hz, and the collection frequency of the flow sensor is 1-10 Hz.

8. The intelligent self-powered current and pressure regulating equipment for the shaftless generator according to claim 1, wherein the built-in driving piston valve comprises a valve body, a mouse cage, a valve seat and a piston, the valve seat is arranged at the tail end of the valve body, a connecting disc is arranged between the piston and the mouse cage, an accommodating space is formed inside the valve body and used for installing a driving device, the driving device is connected with the connecting disc through a connecting plate, and the driving device drives the piston to move back and forth along the central axis of the built-in driving piston valve.

9. A self-powered current and pressure regulating intelligent device of a shaftless generator as recited in claim 8, wherein a blank cap is installed inside said valve body, said blank cap has a closed end in a cambered surface structure, a valve seat sealing ring is installed at the mouth of said valve seat, a piston sealing ring is installed at the mouth of said piston, a control box is installed on the surface of said valve body, and a threading pipe is installed on said control box.

10. A self-powered flow and pressure regulating intelligent device of a shaftless generator according to claim 1, further comprising a rectifying short tube, wherein a plurality of rectifying small holes are arranged in the rectifying short tube, and the array of the rectifying small holes is of a flat plate or honeycomb structure.

Technical Field

The invention relates to the technical field of valves, in particular to self-powered flow and pressure regulating intelligent equipment for a shaftless generator.

Background

The piston valve is mainly used in pipe networks for long-distance water supply, such as south-to-north water regulation pipe networks and the like, has the functions of flow regulation, energy dissipation emptying, pressure reduction, pressure regulation and the like, particularly has excellent regulation and control functions under the working conditions of large caliber, high pressure and large pressure difference, and has the characteristics of energy dissipation, noise reduction, vibration reduction and cavitation erosion prevention. In a large water transfer project, the control of a multi-branch water port is a multi-process and multi-constraint coupled control process, and is influenced by a flow regulating and pressure regulating valve of a tail end regulating chamber, so that the regulating process is complex and variable. The traditional piston valve can only be controlled by manpower to control the opening and closing of the valve, can not be operated and maintained intelligently, can not monitor the real-time condition of the valve, can be automatically adjusted and send an alarm instruction according to the problems or faults in the valve, and causes water resource loss and waste.

With the increasing complexity of water delivery systems, the degree of informatization gradually upgrades. At present, an electric actuator is usually arranged outside a flow regulating and pressure regulating valve, a turbine worm and a crank-link mechanism are adopted for transmission, the pressure and the flow of a pipeline are regulated and controlled, a reservoir is emptied and the like, surplus water pressure of a pipe network is abandoned in vain, the waste of hydraulic resources is caused, and the transmission efficiency is low; meanwhile, engineering scheduling requires the cooperative scheduling of a gate pump valve system, and a data acquisition instrument, a data transmission device and the like are arranged on a water supply pipeline, including a driving power source of the valve, so that the problem to be solved is solved; the cost of erecting cables and network cables along the pipeline is high, and there are many problems of management, safety, etc.

Disclosure of Invention

The invention aims to provide self-powered current and voltage regulating intelligent equipment of a shaftless generator aiming at the defects in the prior art, and the self-powered current and voltage regulating intelligent equipment of the shaftless generator is self-powered through the shaftless generator, so that the utilization efficiency of water energy is improved, and the pipeline space is not occupied.

The purpose of the invention is realized by the following technical scheme:

a shaftless generator self-powered current and voltage regulating intelligent device comprises a power generation system, a monitoring system and a regulation and control execution system; the power generation system is a shaftless generator, the monitoring system is an intelligent RTU system, and the regulation and control execution system is a built-in driving piston valve; the shaftless generator is connected with the built-in driving piston valve, and residual pressure and energy formed in the flow and pressure regulating process are converted into electric energy by adopting a shaftless power generation technology, so that a stable output power supply is provided for real-time monitoring and control; the intelligent RTU system integrates a control strategy library of a simulation model, collects the running state and hydraulic parameters of the valve in real time, and intelligently adjusts and controls the built-in driving piston valve in a distributed mode through a PID (proportion integration differentiation) technology.

Further, the shaftless generator comprises a stator, a rotor, a paddle and a gland, wherein the stator and the rotor are arranged in the pipeline, the stator is arranged on the outer ring of the rotor, and the rotor and the paddle are designed integrally; the outer wall of the stator is fixedly connected with a pipeline; the rotor comprises a slotted ring and permanent magnets, the slotted ring is arranged on the outer side of the paddle, the permanent magnets with different polarities are alternately placed in a groove of the slotted ring, and the gland is arranged at the joint of the shaftless generator and the pipeline.

Furthermore, the self-powered flow and pressure regulating intelligent equipment for the shaftless generator further comprises a data acquisition control device, the data acquisition control device is connected with the built-in driving piston valve through an RS485 bus, an embedded control algorithm is arranged in the processor to regulate the built-in driving piston valve, common water conservancy industry protocols such as Modbus and IEC104 are transmitted, the self-powered flow and pressure regulating intelligent equipment can be compatible with transmission of various different signal forms, and various communication modes are supported.

Furthermore, a processor in the data acquisition control device integrates simulation operation data of a hydraulic model and an equipment characteristic curve, a strategy knowledge base is built, and the operation safety of the valve is accurately controlled, and the data acquisition control device controls the built-in driving piston valve in a distributed control mode based on a target instruction and a control strategy.

Furthermore, the processor in the data acquisition control device integrates the common valve fault and valve operation characteristic data, a health diagnosis knowledge base is constructed, and the valve health degree is judged quickly and accurately.

Furthermore, the intelligent RTU system integrates a self-powered current-regulating and voltage-regulating intelligent equipment KV curve of the shaftless generator, and the intelligent equipment KV curve is used as a basis for daily operation check of health degree judgment such as operation state, faults and the like and is continuously checked; receiving and integrating analysis data of the transient hydraulic model which is finished by the upper platform and iterates the KV curve, taking the analysis data as a basis for safety check of a control process during target control and strategy control, and evaluating the controlled effect; a strategy base is constructed in the intelligent RTU, and an experience control strategy subjected to security check and a control strategy subjected to transient security simulation are stored in a centralized manner to be used as the strategy base; and drawing the control modes in the non-strategy library in the daily control process, and updating the strategy library.

Furthermore, a sensor is arranged on the built-in driving piston valve and is connected with the data acquisition control device, and the sensor comprises a vibration sensor and a noise sensor which are arranged on the surface of the built-in driving piston valve, and a pressure sensor and a flow sensor which are arranged in the built-in driving piston valve; the collection frequency of the vibration sensor and the noise sensor is 0.2-1 Hz, the collection frequency of the pressure sensor is 10-100 Hz, and the collection frequency of the flow sensor is 1-10 Hz.

Furthermore, the built-in driving piston valve comprises a valve body, a squirrel cage, a valve seat and a piston, wherein the valve seat is arranged at the tail end of the valve body, a connecting disc is arranged between the piston and the squirrel cage, an accommodating space is formed inside the valve body and used for installing a driving device, the driving device is connected with the connecting disc through a connecting plate, and the driving device drives the piston to move back and forth along the central axis of the built-in driving piston valve.

Further, the valve body internally mounted has the stifle, the stifle blind end is ARC structure, the disk seat oral area is equipped with the disk seat sealing washer, the piston oral area is equipped with the piston seal, valve body surface mounting has the control box, be equipped with the threading pipe on the control box.

Furthermore, shaftless generator self-power current regulation pressure regulating intelligence is equipped and is still included the rectification nozzle stub, be provided with many rectification apertures in the rectification nozzle stub, many rectification aperture arrays are flat board or honeycomb structure. The water flow flowing through the shaftless generator can generate turbulent flow to influence the normal work of the built-in driving piston valve, and the flow state of the water flow can be quickly adjusted through the rectification of the rectification pipeline, so that the installation distance is shortened, and the influence on the built-in driving piston valve is reduced. The principle of the shaftless generator is the same when the shaftless generator is arranged at the downstream of the built-in driving piston valve, and the rectifying short pipe is arranged to avoid the influence on the work of the shaftless generator.

Compared with the prior art, the invention has the following beneficial effects:

because the pipe network is after adjusting through the pressure regulating valve that flows, water pressure can reduce, and partial water pressure and the energy that reduce in the pipeline will be abandoned. On the basis of a water supply network pressure management system, the shaftless generator is integrated with the flow-regulating and pressure-regulating built-in driving piston valve, so that the energy discarded when the built-in driving piston valve regulates water pressure and water flow and the surplus water pressure of a pipe network are recovered and converted into electric energy, the electric energy requirement of the pipe network system is met, and the energy is effectively saved. The data acquisition control device can be used for carrying out data acquisition, remote transmission and control, the flow, the pressure and the action position in the built-in driving piston valve can be monitored in real time, data can be stored and transmitted, corresponding adjustment can be carried out according to different conditions in the valve, the occurrence of faults can be restrained, and the safety and the reliability of the valve and a system can be improved.

The invention uses the shaftless generator to supply power to the built-in driving piston valve and the data acquisition control device, overcomes the occupation of the traditional shaft generator to the pipeline space and the loss of water energy, and can improve the utilization efficiency of the water energy while saving the installation space; on the premise of ensuring that the pipeline is safe and the pressure and the flow meet the requirements, the excess pressure of the pipeline is utilized to the maximum, the pipeline has high power of 10-110 kilowatts, is suitable for any pipeline, has small influence on the water flow of the pipeline, can meet the power consumption requirements of pipeline monitoring (data acquisition, remote transmission, on-site control and the like), low-power electric fitting execution (10kW) and the like, and can also be used for small-scale production and living power consumption.

The transmission efficiency is improved by arranging the driving motor in the built-in driving piston valve; the stroke positioning precision, the repetition precision and the reliability are high in the operation process.

Drawings

FIG. 1 is a schematic structural diagram of a self-powered current-regulating and voltage-regulating intelligent device of a shaftless generator;

FIG. 2 is a schematic structural view of a shaftless generator;

FIG. 3 is an exploded view of a shaftless generator;

FIG. 4 is a schematic structural diagram of a rectifying stub;

FIG. 5 is a schematic diagram of a built-in actuator piston valve;

FIG. 6 is an exploded view of a built-in actuator piston valve;

FIG. 7 is a cross-sectional view of a built-in actuator piston valve;

FIG. 8 is a flow chart of an intelligent RTU operation;

fig. 9 is a flow chart of the operation of the self-powered current-regulating and voltage-regulating intelligent equipment of the shaftless generator.

The system comprises a pipeline 1, a shaftless generator 2, a built-in driving piston valve 3, a rectifying short pipe 4, a data acquisition control device 5, a stator 21, a rotor 22, a blade 23, a gland 24, a slotted ring 221, a permanent magnet 222, a valve body 301, a piston 302, a connecting disc 303, a squirrel cage 304, a valve seat 305, a valve seat sealing ring 306, a blank cap 307, a connecting plate 308, a piston sealing ring 309, a driving device 310, a threading pipe 311, a vibration sensor 312, a noise sensor 313, a pressure sensor 314, a flow sensor 315 and a control box 316.

Detailed Description

The drawings are for illustration purposes only and are not to be construed as limiting the invention; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the invention.

Example 1

As shown in fig. 1 to 9, the present embodiment provides a self-powered current-regulating and voltage-regulating intelligent device for a shaftless generator, which includes a power generation system, a monitoring system and a regulation and control execution system; the system comprises a power generation system, a monitoring system, a regulation and control execution system and a piston valve, wherein the power generation system is a shaftless generator 2, the monitoring system is an intelligent RTU system, and the regulation and control execution system is a built-in driving piston valve 3; the shaftless generator 2 is connected with the built-in driving piston valve 3 through a pipeline 1, and a short rectification pipe 4 is also arranged on the pipeline 1; a data acquisition control device 5 for adjusting and controlling the built-in driving piston valve 3 is arranged on the side surface of the pipeline 1. In the embodiment, the shaftless generator 2 is connected with the built-in driving piston valve 3, and the shaftless power generation technology is adopted to generate power by utilizing residual pressure and energy formed in the flow and pressure regulating process, so that a stable output power supply is provided for real-time monitoring and control.

The built-in driving piston valve 3 is provided with sensors, including a vibration sensor 312 and a noise sensor 313 which are arranged on the surface of the built-in driving piston valve 3, and a pressure sensor 314 and a flow sensor 315 which are arranged in the built-in driving piston valve 3. Specifically, the collection frequency of the vibration sensor and the noise sensor is 0.2-1 Hz, the collection frequency of the pressure sensor is 10-100 Hz, the collection frequency of the flow sensor is 1-10 Hz, and the sensors can be configured with different collection frequencies. The data acquisition control device 5 is connected with each sensor, and carries out sensor data acquisition, transmission and remote control on the built-in driving piston valve 3 through an intelligent RTU system.

The shaftless generator 2 in the embodiment comprises a stator 21, a rotor 22, blades 23 and a gland 24, wherein the stator 21 and the rotor 22 are arranged in the pipeline 1, the rotor 22 and the blades 23 are designed integrally, a central shaft is omitted, and the shaftless generator 2 is integrally connected by titanium alloy bolts, so that the shaftless generator is convenient for on-site distributed disassembly and assembly in various environments. The outer wall of the stator 21 is fixedly connected with the pipeline 1; the rotor 22 comprises a slotted ring 221 and permanent magnets 222, the slotted ring 221 is arranged on the outer side of the paddle 23, the permanent magnets 222 with different polarities are alternately placed in a groove of the slotted ring 221, and a gland 24 is arranged at the connection position of the shaftless generator 2 and the pipeline 1.

The built-in driving piston valve 3 comprises a valve body 301, a squirrel cage 304, a valve seat 305 and a piston 302, wherein the valve seat 305 is arranged at the tail end of the valve body 301, a connecting disc 303 is arranged between the piston 302 and the squirrel cage 304, an accommodating space is formed inside the valve body 301 and used for installing a driving device 310, the driving device 310 is connected with the connecting disc 303 through a connecting plate 308, and the driving device 310 drives the piston 302 to move back and forth along the central axis of the built-in driving piston valve 3.

The connecting disc 303 is provided with a plurality of hollow parts, only the function of connecting the piston 302 with the squirrel cage 304 is needed, the hollow parts can reduce the weight of the connecting disc 303, reduce the processing difficulty of the connecting disc, and reduce the manufacturing cost of the connecting disc. The piston 302 and the squirrel cage 304 are both provided with flange end faces, the two flange end faces are attached, and the connecting disc 303 is fixedly connected with the two flange end faces through bolts. In the embodiment, a plurality of rectifying small holes are arranged in the rectifying short pipe 4, the rectifying small hole arrays are of flat plate or honeycomb structures and are welded into a whole, and the rectifying short pipe 4 is arranged behind the shaftless generator 2 and rectifies water flow passing through the shaftless generator 2, so that the flow state is adjusted, and the influence on the built-in driving piston valve 3 is reduced.

The valve body 301 is internally provided with a blank cap 307, the closed end of the blank cap 307 is of an arc-shaped structure, the opening part of the valve seat is provided with a valve seat sealing ring 306, the opening part of the piston is provided with a piston sealing ring, the surface of the valve body is provided with a control box 316, and the control box 316 is provided with a threading pipe 311.

In this embodiment, the data acquisition control device 5 is connected with the built-in driving piston 3 valve through an RS485 bus, and the built-in driving piston valve 3 is adjusted by a built-in embedded control algorithm in the processor, and common water conservancy industry protocols such as Modbus and IEC104 are transmitted, so that the data acquisition control device can be compatible with various signal form transmissions and support various communication modes.

Specifically, the processor in the data acquisition control device 5 integrates simulation operation data of a hydraulic model and an equipment characteristic curve, and a strategy knowledge base is constructed. Each sensor collects and transmits data in real time to the data acquisition control device 5, the data acquisition control device is used for processing the data, when the collected data exceed the maximum value of the set range, the processor judges the fault of the device, and the data acquisition control device 5 sends out an alarm signal to inform a worker to process the data in time so as to accurately control the operation safety of the valve.

In an off-line state, each sensor collects and transmits data in real time to the data collection control device 5, the collected data is compared with a set value range set in the processor, if the collected data does not exceed the set range minimum value, the data record is stored in the storage chip, if the collected data exceeds the set range but does not exceed the set range maximum value, a reasonable scheme can be analyzed and arranged automatically according to the current data by the hydraulic model data integrated in the processor while the data record is recorded in the storage chip, and the collected data is transmitted to a device to act through the data collection device, so that the collected data is controlled in a reasonable range.

The common valve fault and valve operation characteristic data are integrated in a processor of the data acquisition control device 5, a health diagnosis knowledge base is constructed, and the health degree of the valve can be judged quickly and accurately. When the range of the set value is exceeded, the processor automatically analyzes the model data to obtain an optimal processing scheme for the current working condition, the optimal processing scheme is transmitted to the driving device through the I/O interface, and the driving device 310 executes according to instructions in the scheme.

In the embodiment, the intelligent RTU system integrates a control strategy of a simulation model, acquires the running state and hydraulic parameters of the valve in real time, and intelligently adjusts and controls the built-in driving piston valve in a distributed manner through a PID control technology. Specifically, the intelligent RTU integrates a self-powered current-regulating and voltage-regulating intelligent equipment KV curve of a shaftless generator by adopting a CPU Cortex-A72 of an ARM V8 framework and matching with a memory of more than 4G, and the intelligent RTU is used as a basis for daily operation check of health degree judgment such as operation state, fault and the like and is continuously checked; receiving and integrating analysis data of the transient hydraulic model which is finished by the upper platform and iterates the KV curve, taking the analysis data as a basis for safety check of a control process during target control and strategy control, and evaluating the controlled effect; a strategy base is constructed in the intelligent RTU, and an experience control strategy subjected to security check and a control strategy subjected to transient security simulation are stored in a centralized manner to be used as the strategy base; and drawing the control modes in the non-strategy library in the daily control process, and updating the strategy library.

The process for drawing the KV curve of the self-powered current and voltage regulating intelligent equipment of the shaftless generator is as follows: adjusting the opening value of a built-in driving piston valve and keeping the opening value unchanged, after the flow is stable, measuring and recording the pressure and flow values at two ends of the equipment, and completing the pressure-flow corresponding value of the self-powered flow-regulating and pressure-regulating intelligent equipment of the shaftless generator under the opening of the valve; and then, adjusting the built-in driving piston valve to the next opening, after the flow is stable, measuring and recording the pressure and flow values at two ends of the equipment, and completing the pressure-flow corresponding value of the self-powered flow and pressure regulating intelligent equipment of the shaftless generator under the opening of the valve. By analogy, the pressure-flow corresponding value of the self-powered flow and pressure regulating intelligent equipment of the shaftless generator under the opening degree of each valve is completed, and a KV curve is drawn by a worker according to the collected data. When the valve is adjusted and controlled by adopting a control strategy in the intelligent RTU, the KV curve in the strategy library and the formed empirical data are used as the reference of the valve to adjust the valve. If the pressure is regulated, the difference between the pressure of the valve and the healthy operation parameters in the strategy library is detected to exceed the safety value, the intelligent RTU system sends an instruction to the valve, the driving device executes according to the instruction, the opening and closing degree of the valve is regulated, and feedback correction is continuously carried out until the control pressure reaches the safety value.

The intelligent built-in driving piston valve integrates the modern Internet of things technology, can monitor information such as flow, pressure, action position and the like in the built-in driving piston valve in real time, stores and transmits data, makes corresponding adjustment according to different conditions in the valve, remotely controls the built-in driving piston valve, inhibits the occurrence of faults, and improves the safety and reliability of the valve and a system.

It should be understood that the above examples are only for clearly illustrating the technical solutions of the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.