CN110925484A - Intelligent air valve hydraulic assembly - Google Patents
Intelligent air valve hydraulic assembly Download PDFInfo
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- CN110925484A CN110925484A CN201911284400.9A CN201911284400A CN110925484A CN 110925484 A CN110925484 A CN 110925484A CN 201911284400 A CN201911284400 A CN 201911284400A CN 110925484 A CN110925484 A CN 110925484A
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- air valve
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- monitoring terminal
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0083—For recording or indicating the functioning of a valve in combination with test equipment by measuring valve parameters
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- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
Intelligence air valve water conservancy subassembly belongs to valve gear safety technical field, including air valve, perception equipment and intelligent monitoring terminal, and perception equipment sets up on valve and/or valve periphery to be connected with intelligent monitoring terminal, intelligent monitoring terminal is connected with power supply unit. The air valve, the sensing equipment and the intelligent monitoring terminal are designed into an integrated hydraulic assembly, so that high-frequency transient parameter acquisition of data can be realized, the data acquisition and analysis processing work is completed at the intelligent monitoring terminal, and the acquired data and the analysis result are intelligently and selectively uploaded according to an uploading strategy; the intelligent monitoring terminal can analyze data by using an AI technology, identify water hammer risks and equipment health, and has the characteristic of low energy consumption.
Description
Technical Field
The invention belongs to the technical field of valve device safety, and particularly relates to an intelligent air valve hydraulic assembly.
Background
The key hydraulic components for long-distance water transfer safe operation are a flow-adjusting pressure-regulating valve, a check valve, an air tank and the like. The air valves are installed in a large number, most of the air valves are arranged in the field along pipelines, and faults of blocking, blowing and blocking, no exhaust and the like often occur, so that accidents such as pipeline leakage, water hammer pipe explosion, air resistance influence on water delivery efficiency and the like occur.
In order to ensure the safety of a long-distance water transfer engineering system, the monitoring and early warning of the normal operation and the health state of air valves (such as an intelligent angle-type air valve and an intelligent multifunctional air valve) for air suction, large-amount exhaust, throttling exhaust and trace exhaust are particularly important. In the newly-built and re-expanded long-distance water transfer engineering, the air valve not only meets the functions of air suction and exhaust, but also has the function of online monitoring control so as to improve the system safety, the water delivery efficiency and the intelligent degree and fill the blank of the online monitoring control of the air valve of the long-distance water transfer engineering.
Disclosure of Invention
Aiming at the technical problems, the invention discloses an intelligent air valve hydraulic assembly, which integrates, designs, manufactures and applies an air valve, a sensing device, an actuating mechanism and an intelligent monitoring terminal, and has the functions of real-time intelligent monitoring and control besides the functions of the traditional mechanical valve.
In order to achieve the technical purpose, the invention adopts the technical scheme that:
intelligence air valve water conservancy subassembly, including air valve, perception equipment and intelligent monitoring terminal, perception equipment sets up on valve and/or valve periphery to be connected with intelligent monitoring terminal, intelligent monitoring terminal is connected with power supply unit.
Further, the air valve includes an intelligent angle type air valve and an intelligent multifunctional air valve.
Furthermore, the power supply device adopts a power supply mode of solar power generation or pipeline residual pressure power generation.
Further, the perception device comprises a sensor, a pressure gauge and a camera.
Furthermore, the camera records and broadcasts in the whole course in case of danger, and is used as a data base for subsequent traceability analysis.
Furthermore, the intelligent monitoring terminal comprises a processing module, a storage module, an acquisition module and a communication module, the sensing device is connected with the acquisition module through a bus, the execution mechanism is connected with the processing module through the bus, and the storage module, the acquisition module and the communication module are respectively connected with the processing module.
Furthermore, the acquisition module is realized by a single chip microcomputer and can acquire air valve pressure, water immersion, noise and picture data by high-frequency transient parameters.
Furthermore, the storage module comprises a storage chip and integrates the hydraulic model, the simulation operation data of the equipment characteristic curve and the uploading strategy and monitoring data thereof.
Further, the processing module is implemented by a programmable logic controller.
Furthermore, the communication module supports wireless network and Ethernet optical fiber wired network transmission modes, and realizes data transmission according to a data uploading strategy.
The invention has the following beneficial effects:
(1) in the aspect of data acquisition, high-frequency transient parameter acquisition can be realized, and a whole-course fault recording and broadcasting strategy is intelligently adopted according to the fault occurrence or the risky condition and is used as a data basis for subsequent traceability analysis;
(2) in the aspect of data analysis, a Linux system is supported, effective data can be analyzed by using a pressure characteristic value method and an AI (artificial intelligence) technology, water hammer risks and equipment health are identified, and the water hammer elimination effect of an air valve is evaluated;
(4) the intelligent monitoring system is formed by collecting valve operation data and operation parameters of a position pipeline on an air valve body and applying the collected data and the operation parameters to an intelligent monitoring terminal, the collected data and the processing work sink to the intelligent monitoring terminal as an edge-computing Internet of things terminal, the collected data and the analysis result are intelligently and selectively uploaded according to an uploading strategy, the operation load of an upper software platform is reduced, and a large number of monitoring type hydraulic assemblies which are distributed and deployed can be accessed;
(5) the intelligent monitoring terminal part is designed and optimized by adopting low energy consumption, the power is as low as below 5W, the commercial power is not required, and the deployment is simple and flexible;
(6) and the intelligent monitoring terminal is supported to supply power to the sensing equipment.
Drawings
Fig. 1 is a schematic diagram of the deployment of an intelligent air valve hydraulic assembly according to an embodiment of the invention.
Detailed Description
The invention is further illustrated by the following specific examples. The starting materials and methods employed in the examples of the present invention are those conventionally available in the market and conventionally used in the art, unless otherwise specified.
Example 1
As shown in fig. 1, this embodiment intelligence air valve water conservancy subassembly includes air valve, pressure gauge, water logging sensor, noise sensor, camera and intelligent monitoring terminal, and pressure gauge, water logging sensor, noise sensor, camera are on valve and/or valve periphery to be connected with intelligent monitoring terminal, intelligent monitoring terminal connects solar power supply unit.
The air valve mainly comprises an intelligent angle type air valve and an intelligent multifunctional air valve.
The intelligent monitoring terminal supports a Linux system and comprises a processing module, a storage module, an acquisition module and a communication module, sensing devices such as a pressure gauge, a water sensor, a noise sensor and a camera (selected according to actual engineering requirements) are connected with the acquisition module through a bus, and the storage module, the acquisition module and the communication module are respectively connected with the processing module.
The acquisition module is realized by a single chip microcomputer, high-frequency transient parameter acquisition can be realized, analog signals are converted into digital signals through the frequency of 100-plus-1000 Hz per second, and a whole-course recording and broadcasting strategy is adopted to serve as a data basis of subsequent traceability analysis when water hammer occurs, equipment faults and pipelines have water attack risks.
The storage module comprises a storage chip, the storage chip can be configured with a 2M-64M-bit flash memory chip, historical data with the storage time longer than 6 months can be stored, and simulation operation data of a hydraulic model and an equipment characteristic curve, uploading strategies of the simulation operation data and monitoring data of the equipment characteristic curve are integrated.
The processing module is realized by a programmable logic controller, analyzes and judges the working state of three-stage exhaust and air suction of the air valve and faults of blockage, blowing blockage, no exhaust and the like, compares the simulation data of the hydraulic model with the operation monitoring data, and analyzes and alarms the safety of a pipeline system. Analysis based on pressure characteristics including maximum minimum, mean, rate of pressure change, etc. can be performed to identify water hammer, air valve suction, exhaust, etc. based on AI image identification: through the waveform image characteristics of the pressure change process, the phenomena of water hammer, air suction and exhaust of an air valve and the like are identified, the water hammer elimination effect is judged, and the identification is based on AI semantics: dividing the pressure into thousands of fixed intervals (similar to thousands of characters), converting the pressure change process into a time sequence combination (similar to a sentence) of the pressure interval, adopting a semantic recognition technology to recognize the phenomena of water hammer, air suction and exhaust of an air valve and the like, and judging the effect of water hammer elimination.
The communication module supports a wireless network and Ethernet optical fiber wired network transmission mode, supports a GPRS/4G/MBUS/RS485 communication mode and protocol, and realizes data transmission according to a data uploading strategy.
The data after being collected, analyzed and processed are uploaded to an upper application platform and/or a cloud platform in a wireless or wired communication mode of the Internet of things, platform or graphical topology presentation, alarming and notification are carried out, and comprehensive management is carried out.
Example 2
Based on information such as equipment operating characteristic parameters and hydraulic model simulation operating parameters (threshold values), pressure, water immersion, noise, camera pictures, current signals of a micro switch or other trigger switches and switching value signal conversion data are collected, and the working state and the health state (including abnormity) of the air valve are judged through data analysis. The main sensing equipment and the functions thereof in the embodiment are detailed in table 1:
TABLE 1
The data analysis and hydraulic model verification method for pipeline safety and equipment health comprises the following points:
(1) and (3) comparing the pressure monitoring value with hydraulic model analysis data (pressure (-10 m-1.5 PN):
when the hydraulic system runs normally, the monitoring pressure is consistent with the steady-state hydraulic model calculation; when the air suction works, the air suction negative pressure value is consistent with the calculation of the transient hydraulic model, and the air suction amount can be calculated according to the duration time of the negative pressure; during high-speed exhaust, the monitoring pressure is consistent with the calculation of the transient hydraulic model, and the exhaust volume can be calculated according to the pressure duration; during throttling exhaust, the monitoring pressure is consistent with the calculation of the transient hydraulic model, and the exhaust volume can be calculated according to the pressure duration; when the floating ball is closed, monitoring a pressure fluctuation curve; and during micro-exhaust, monitoring a pressure fluctuation curve, verifying normal work and recording the exhaust frequency.
(2) When the monitoring pressure is more than 1.5 times higher than the pressure of the main pipeline, the monitoring pressure is used as the basis for judging water hammer.
(3) When the water immersion switch is intermittently switched on and off, the air valve works normally, and the micro-exhaust is in a normal state. At this time, the noise sensor should detect the intermittent micro exhaust noise, which indicates that the air valve is working normally.
(4) When the water immersion switch is always in an off state (air is in the valve), and no exhaust noise exists, the air valve has exhaust blowing blockage fault and the micro exhaust hole is blocked.
(5) When the water immersion switch is always in an off state (air is in the valve), but continuous micro exhaust noise exists, which indicates that the air valve is closed without exhausting air when a large amount of air is exhausted, and the micro exhaust is continuously carried out.
(6) When the water immersion switch is continuously in the on state (water is in the valve) and no exhaust noise exists, whether leakage exists or not is identified through a photo, and the air valve is in a leakage fault.
(7) When the water logging switch is always in an off state (air is in the valve), the exhaust pressure suddenly changes (the sudden change is more than 100 percent), and the air valve is blown and blocked.
According to the engineering requirement, the health monitoring of the equipment and the running state of the pipeline can be monitored.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (10)
1. Intelligence air valve water conservancy subassembly, including air valve, perception equipment and intelligent monitoring terminal, perception equipment sets up on valve and/or valve periphery to be connected with intelligent monitoring terminal, intelligent monitoring terminal is connected with power supply unit.
2. The intelligent air valve hydro assembly of claim 1, wherein the air valve comprises an intelligent angle type air valve and an intelligent multi-function air valve.
3. The intelligent air valve hydraulic assembly as claimed in claim 1, wherein the power supply device adopts a power supply mode of solar power generation or pipeline residual pressure power generation.
4. The intelligent air valve hydro assembly of claim 1, wherein the sensing device comprises a sensor, a pressure gauge and a camera.
5. The intelligent air valve hydraulic assembly as claimed in claim 4, wherein the camera is recorded and broadcast in full time in case of danger as a data base for subsequent traceability analysis.
6. The intelligent air valve hydraulic assembly as claimed in claim 1, wherein the intelligent monitoring terminal comprises a processing module, a storage module, an acquisition module and a communication module, the sensing device is connected with the acquisition module through a bus, the execution mechanism is connected with the processing module through a bus, and the storage module, the acquisition module and the communication module are respectively connected with the processing module.
7. The intelligent air valve hydraulic assembly of claim 6, wherein the collection module is implemented by a single chip microcomputer and can collect air valve pressure, water immersion, noise and picture data by high-frequency transient parameters.
8. The intelligent air valve hydro assembly of claim 6, wherein the memory module comprises a memory chip and integrates the hydro model, the simulated operational data of the plant characteristic curve and its uploading strategy and monitoring data.
9. The intelligent air valve hydro assembly of claim 6 wherein the processing module is implemented by a programmable logic controller.
10. The intelligent air valve hydro assembly of claim 6, wherein the communication module supports wireless and fiber optic ethernet wired network transmission, enabling data transmission according to a data upload strategy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911284400.9A CN110925484A (en) | 2019-12-13 | 2019-12-13 | Intelligent air valve hydraulic assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911284400.9A CN110925484A (en) | 2019-12-13 | 2019-12-13 | Intelligent air valve hydraulic assembly |
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| CN110925484A true CN110925484A (en) | 2020-03-27 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113204867A (en) * | 2021-04-20 | 2021-08-03 | 株洲珠华智慧水务科技有限公司 | Intelligent scheduling method for transient process of pipe network |
| CN113339575A (en) * | 2021-05-27 | 2021-09-03 | 株洲珠华智慧水务科技有限公司 | Method for monitoring comprehensive state of air valve |
| CN113357429A (en) * | 2021-06-24 | 2021-09-07 | 中阀科技(长沙)阀门有限公司 | Air valve with signal transmission |
-
2019
- 2019-12-13 CN CN201911284400.9A patent/CN110925484A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113204867A (en) * | 2021-04-20 | 2021-08-03 | 株洲珠华智慧水务科技有限公司 | Intelligent scheduling method for transient process of pipe network |
| CN113339575A (en) * | 2021-05-27 | 2021-09-03 | 株洲珠华智慧水务科技有限公司 | Method for monitoring comprehensive state of air valve |
| CN113339575B (en) * | 2021-05-27 | 2023-04-11 | 株洲珠华智慧水务科技有限公司 | Method for monitoring comprehensive state of air valve |
| CN113357429A (en) * | 2021-06-24 | 2021-09-07 | 中阀科技(长沙)阀门有限公司 | Air valve with signal transmission |
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