CN108458146B - Intelligent valve system - Google Patents
Intelligent valve system Download PDFInfo
- Publication number
- CN108458146B CN108458146B CN201810140077.7A CN201810140077A CN108458146B CN 108458146 B CN108458146 B CN 108458146B CN 201810140077 A CN201810140077 A CN 201810140077A CN 108458146 B CN108458146 B CN 108458146B
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- valve
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- cpu
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Classifications
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
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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
- F16K37/0025—Electrical or magnetic means
- F16K37/0041—Electrical or magnetic means for measuring valve parameters
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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
- F16K37/0025—Electrical or magnetic means
- F16K37/005—Electrical or magnetic means for measuring fluid parameters
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Testing And Monitoring For Control Systems (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The invention discloses an intelligent valve system which comprises a CPU, a gateway, a cloud server, a human-computer interaction device, a valve, a pre-valve temperature sensor, a pre-valve pressure sensor, a post-valve temperature sensor and a post-valve pressure sensor, wherein the valve is also connected with a valve position switch and a valve position sensor, the pre-valve temperature sensor, the pre-valve pressure sensor, the post-valve temperature sensor, the post-valve pressure sensor and the valve position sensor are all connected with a signal receiving end of the CPU through an A/D conversion module, the valve position switch is connected with the signal receiving end of the CPU through a digital quantity acquisition module, a signal transmitting end of the CPU is connected with the gateway through a communication module, the gateway is connected with the cloud server, and the cloud server is connected with the. The invention can provide the working condition of the valve in real time, can pre-diagnose the fault in advance, can find the fault and send out an alarm signal in time, provides a cloud platform for manufacturers, and can track and analyze the quality and the use condition of the product in time.
Description
Technical Field
The invention belongs to the field of valve application, and particularly relates to an intelligent valve system.
Background
The valve is often used in important industrial production and civil occasions, and the safe and reasonable use of the valve is very important. In terms of safety, leakage easily causes safety problems and environmental pollution problems, and causes great loss to investors and society. In a reasonable aspect, the configuration size and the cost difference of the valve are large, the valve switching characteristic has a large influence on process production, most of the original model selection is difficult to adjust according to experience data, and whether the model selection of the valve has problems or not is difficult to judge.
The traditional valve has the defects that the leakage detection is difficult, special equipment is usually needed for fault judgment of the valve, a common factory is rarely equipped, even if the equipment is equipped, the equipment is difficult to check in time, the investment is high, and a professional engineer is needed for fault judgment and analysis in the factory.
Moreover, many industrial valves are expensive, the use conditions of use places are greatly different, how to track the use condition of the valves and develop corresponding products according to the use condition can only be responded by people, and no uniform data basis exists.
The valve is often used in important industrial production and civil occasions, and the leakage easily causes safety problems and environmental pollution problems, thereby causing great loss to investors and society.
Disclosure of Invention
In order to solve the defects and shortcomings in the prior art, the invention provides the intelligent valve system which not only solves the problems of online detection of valve internal leakage, real-time flow curve analysis during working and the like, provides the working condition of the valve in real time, can pre-diagnose faults in advance, can timely find the faults and send out alarm signals, provides a cloud platform for manufacturers, can timely track and analyze the quality and the use condition of products, and adjusts the production process requirements of the products according to parameter analysis.
The technical scheme of the invention is as follows: the utility model provides an intelligent valve system, includes CPU, gateway, cloud ware, human-computer interaction equipment, valve, connects temperature sensor and pressure sensor before the valve of valve front end, connects temperature sensor and pressure sensor behind the valve at the valve rear end behind the valve, still be connected with valve position switch and valve position sensor on the valve, temperature sensor, pressure sensor, valve behind pressure sensor, valve before the valve all connect CPU's signal receiving terminal through AD conversion module before the valve, pressure sensor and valve position sensor behind the valve, valve position switch passes through the signal receiving terminal that digital quantity collection module connected CPU, CPU's signal transmitting terminal passes through communication module connection gateway, the cloud ware is connected to the gateway, human-computer interaction equipment is connected to the cloud ware.
Preferably, the front end of the valve is also connected with a flow sensor, and the flow sensor is also connected with a signal receiving end of the CPU through an a/D conversion module.
Preferably, the system can know the condition of the valve in real time through detection of the temperature sensor, and can sense the working condition of the valve in real time through analysis of the temperature difference curve.
Preferably, the system can know the condition of the valve in real time through the detection of the pressure sensor, and can sense the working condition of the valve in real time through analyzing the pressure difference curve.
Preferably, the system performs online diagnostics by comparing control commands for the valve and the difference between the normal curve and the actual response curve between the command responses.
Preferably, the system compares different data of the real-time database and the historical database through the working conditions of different sensors of multiple factories, corresponding to pipelines with different calibers, pipelines with different media and valves of different types, and performs big data analysis on the basis to find the optimized data of the quality of the valve, the fault early warning mechanism of the valve and the process optimization scheme in the production process.
Preferably, when the valve is an on-off valve, the actual opening and closing signal of the valve is sensed through the valve position switch, whether the valve acts according to the command or not is judged through analyzing the difference between the actual position of the valve and the command signal, and then an alarm signal or an in-place signal is sent out on a human-computer interface of the human-computer interaction device.
Preferably, the valve is a regulating valve, the actual rotating position of the valve is detected and sensed through a valve position sensor on the valve positioner, whether the valve acts according to a command or not and whether the valve acts in place or not is judged through analyzing the difference between the actual position of the valve and the command signal, and then an alarm signal or an in-place signal is sent out on a human-computer interface of the human-computer interaction device.
Preferably, detection signals of all the sensors are received by the CPU after being converted by the signal conversion module, the CPU sends the signals to a cloud database of the cloud server by using RS232, RS485, TCPIP or a communication protocol of wireless communication through the communication module, and the acquired data is processed by software at the cloud.
Preferably, the gateway isolates an internal network from an external network, and a cloud data packet of the cloud server comprises a real-time database and a historical database; the system can compile corresponding application programs on a human-computer interface of the human-computer interaction equipment according to actual requirements of different users, and realizes functional requirements, including state monitoring, early warning, alarming, reporting, real-time trend and historical trend.
The A/D conversion module, the digital quantity acquisition module, the CPU and the communication module are combined together and can be replaced by a data acquisition unit (comprising data acquisition, data preprocessing and a data communication forwarding interface) purchased from the market.
The invention not only solves the problems of online detection of internal leakage of the valve, real-time flow curve analysis during working and the like, provides the working condition of the valve in real time, can pre-diagnose the fault in advance, can find the fault in time and send an alarm signal, provides a cloud platform for manufacturers, can track and analyze the quality and the use condition of a product in time, and adjusts the production process requirement of the product according to parameter analysis, and the manufacturers can continuously adjust according to self-mastered data by relying on the cloud platform, thereby improving the product quality, further can play a special role of a consultant when selecting types for users, and enables the users to rely on you to generate stickiness, so that the users can be used as a product supplier and also can be used as a service provider.
Drawings
FIG. 1 is a control connection diagram of the present invention;
in the figure, 1, a pressure sensor before a valve, 2, a valve, 3, a valve position sensor, 4, a valve position switch, 5, a temperature sensor before the valve, 6, a temperature sensor after the valve, 7, a pressure sensor after the valve, 8, an A/D conversion module, 9, a digital quantity acquisition module, 10, a CPU, 11, a communication module, 12, a gateway, 13, a cloud server, 14, a man-machine interaction device, 15, a flow sensor and 16 are man-machine interfaces.
Detailed Description
The present invention will be described in further detail with reference to the attached drawings, but the present invention is not limited thereto.
As shown in fig. 1, the intelligent valve system includes a CPU10, a gateway 12, a cloud server 13, a human-computer interaction device 14, a valve 2, a pre-valve temperature sensor 5 and a pre-valve pressure sensor 1 connected to the front end of the valve 2, and a post-valve temperature sensor 6 and a post-valve pressure sensor 7 connected to the back end of the valve 2. The valve 2 is further connected with a valve position switch 4 and a valve position sensor 3, the temperature sensor 5 before the valve, the pressure sensor 1 before the valve, the temperature sensor 6 after the valve, the pressure sensor 7 after the valve and the valve position sensor 3 are all connected with a signal receiving end of a CPU10 through an A/D conversion module 8, the valve position switch 4 is connected with a signal receiving end of a CPU10 through a digital quantity acquisition module 9, a signal transmitting end of the CPU10 is connected with a gateway 12 through a communication module 11, the gateway 12 is connected with a cloud server 13, and the cloud server 13 is connected with a human-computer interaction device 14. The front end of the valve 2 is also connected with a flow sensor 15, and the flow sensor 15 is also connected with a signal receiving end of the CPU10 through an A/D conversion module 8 (the module 8, the module 9, the module 10 and the module 11 are combined together and can be replaced by a data acquisition module on the market). The system can know the condition of the valve 2 in real time through the detection of the temperature sensor, and can sense the working condition of the valve 2 in real time through analyzing a temperature difference curve. The system can know the condition of the valve 2 in real time through the detection of the pressure sensor, and can sense the working condition of the valve 2 in real time through analyzing a pressure difference curve.
When the valve 2 is an on-off valve, the actual opening and closing signal of the valve 2 is sensed through the valve position switch 4, whether the valve 2 acts according to the command or not is judged through analyzing the difference between the actual position of the valve 2 and the command signal, and then an alarm signal or an in-place signal is sent out on the human-computer interface 16 of the human-computer interaction device 14.
When the valve 2 is a regulating valve, the actual rotating position of the valve 2 is detected and sensed through the valve position sensor 3 on the valve positioner, whether the valve 2 acts according to a command or not is judged through analyzing the difference between the actual position of the valve 2 and the command signal, and then an alarm signal or an in-place signal is sent out on a human-computer interface 16 of the human-computer interaction device 14.
The detection signals of all sensors are converted by the signal conversion module (a/D conversion module 8) and then received by the CPU10, the CPU10 sends the signals to the cloud database of the cloud server 13 through the communication module 11 by using RS232, RS485, TCPIP or a communication protocol of wireless communication, and the collected data is processed by software at the cloud.
The gateway 12 isolates an internal network from an external network, and the cloud data packet of the cloud server 13 comprises a real-time database and a historical database.
The system can compile corresponding application programs on the human-computer interface 16 of the human-computer interaction device 14 according to actual requirements of different users, and realize functional requirements.
According to the invention, various sensors can be arranged at the inlet and outlet positions of the valve according to various different types of valves and different process requirements, and various sensors can also be arranged on pipelines at the inlet and outlet, detection signals of the various sensors are transmitted to a cloud database by using various communication protocols including RS232, RS485, TCPIP, wireless communication and the like through a specially designed signal conversion module and a communication interface module, and the acquired data is processed at the cloud by special software.
The functions of the method comprise early warning of the operation condition of the valve, fault warning in the use process of the valve, analysis of a valve operation trend graph and analysis of the use condition.
If the valve leaks, the working state of the actual valve can be judged through a difference curve of a deviation curve formed in the normal opening and closing process of the valve and an actual deviation curve at the same time point of the valve opening and closing action. If a large deviation is found or a deviation increasing trend is found, a user can schedule maintenance and overhaul in advance.
The valve manufacturer can track and know the operation condition of the valve produced by the manufacturer through the cloud platform, track the after-sales service of the valve supplied by the manufacturer, improve the efficiency of the after-sales service, analyze the operation condition of the valve through special software according to various different valves, obtain the optimal operation parameters and the operation parameters of the valve with problems, and provide data support for improving the valve design.
The A/D conversion module, the digital quantity acquisition module, the CPU, the communication module, the gateway, the cloud server, the human-computer interaction equipment and various sensors in the invention are all conventional components purchased in the market, so the specific structure and the control relationship are not described in detail.
Claims (5)
1. An intelligent valve system, characterized by: the system comprises a CPU, a gateway, a cloud server, a man-machine interaction device, a valve, a pre-valve temperature sensor and a pre-valve pressure sensor, wherein the pre-valve temperature sensor and the pre-valve pressure sensor are connected to the front end of the valve; the system comprises a valve, a valve rear temperature sensor, a valve rear pressure sensor, a valve position switch and a valve position sensor, wherein the valve rear temperature sensor and the valve rear pressure sensor are connected to the rear end of a valve; the front end of the valve is also connected with a flow sensor, the flow sensor is also connected with a signal receiving end of the CPU through an A/D conversion module, and the system carries out online diagnosis by comparing a control command aiming at the valve and the difference between a normal curve and an actual response curve between command responses; the system can know the condition of the valve in real time through detection of the temperature sensor, and can sense the working condition of the valve in real time through analyzing a temperature difference curve; the system can know the condition of the valve in real time through the detection of the pressure sensor, and can sense the working condition of the valve in real time through analyzing a pressure difference curve; the system compares different data of a real-time database and a historical database through the working conditions of different sensors of a plurality of factories, corresponding to pipelines with different calibers, pipelines with different media and valves of different types, and carries out big data analysis on the basis to find out the optimized data of the quality of the valve, the fault early warning mechanism of the valve and the process optimization scheme in the production process.
2. A smart valve system as defined in claim 1, wherein: when the valve is an on-off valve, the actual opening and closing signal of the valve is sensed through the valve position switch, whether the valve acts according to the command or not is judged through analyzing the difference between the actual position of the valve and the command signal, and then an alarm signal or an in-place signal is sent out on a human-computer interface of the human-computer interaction equipment.
3. A smart valve system as defined in claim 1, wherein: the valve is a regulating valve, the actual rotating position of the valve is detected and sensed through a valve position sensor on the valve positioner, whether the valve acts according to a command or not and whether the valve acts in place or not is judged through analyzing the difference between the actual position of the valve and the command signal, and then an alarm signal or an in-place signal is sent out on a human-computer interface of the human-computer interaction device.
4. A smart valve system as defined in claim 1, wherein: detection signals of all sensors are received by the CPU after being converted by the signal conversion module, the CPU sends the signals to a cloud database of the cloud server through the communication module by using RS232, RS485, TCPIP or a communication protocol of wireless communication, and collected data are processed through software at the cloud.
5. A smart valve system as defined in claim 2, wherein: the gateway isolates an internal network from an external network, and a cloud data packet of the cloud server comprises a real-time database and a historical database; the system can compile corresponding application programs on a human-computer interface of the human-computer interaction equipment according to actual requirements of different users, and realizes functional requirements, including state monitoring, early warning, alarming, reporting, real-time trend and historical trend.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810140077.7A CN108458146B (en) | 2018-02-11 | 2018-02-11 | Intelligent valve system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810140077.7A CN108458146B (en) | 2018-02-11 | 2018-02-11 | Intelligent valve system |
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| Publication Number | Publication Date |
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| CN108458146A CN108458146A (en) | 2018-08-28 |
| CN108458146B true CN108458146B (en) | 2019-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810140077.7A Active CN108458146B (en) | 2018-02-11 | 2018-02-11 | Intelligent valve system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109854798B (en) * | 2018-12-25 | 2020-05-15 | 兰控阀门执行器江苏有限公司 | Valve actuator capable of being remotely controlled |
| CN109707903B (en) * | 2019-03-01 | 2020-03-17 | 九牧厨卫股份有限公司 | Monitoring method and system for self-recognition false water cut-off |
| CN110864160A (en) * | 2019-11-26 | 2020-03-06 | 陈冠霖 | Automatic fault alarm system for industrial pipeline valve of location |
| CN111895170B (en) * | 2020-07-20 | 2022-05-20 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Pressure safety valve fault identification method and fault identification device |
| CN112059139A (en) * | 2020-09-10 | 2020-12-11 | 广东鸿图南通压铸有限公司 | Intelligent monitoring method for hydraulic high-vacuum valve of die casting machine die |
| CN112799362A (en) * | 2020-12-31 | 2021-05-14 | 华能南京金陵发电有限公司 | Pneumatic ash conveying abnormal state diagnosis and fault early warning method |
| CN114088416B (en) * | 2021-11-19 | 2023-12-08 | 一汽解放汽车有限公司 | Hydraulic retarder silencer fault diagnosis method and device and computer equipment |
| CN114992368A (en) * | 2022-08-04 | 2022-09-02 | 山东鑫亚格林鲍尔燃油系统有限公司 | Intelligent remote control management system for valve |
| CN116793431A (en) * | 2023-08-29 | 2023-09-22 | 上海溱湖新能源科技有限公司 | Steam condensate water discharger monitoring system based on Internet of things |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7503340B2 (en) * | 2005-09-30 | 2009-03-17 | Agilent Technologies, Inc. | System and method for controlling fluid flow |
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| CN1435678A (en) * | 2002-07-04 | 2003-08-13 | 东北大学 | Method and device for intelligent diagnosis and location of leakage fault of fluid delivery pipeline |
| CN202171052U (en) * | 2011-08-18 | 2012-03-21 | 朱庆田 | Intelligent controller for valve electric actuator |
| CN202758478U (en) * | 2012-08-15 | 2013-02-27 | 福建师范大学 | Chemical industry valve intelligent control device based on Internet of things |
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| CN108458146A (en) | 2018-08-28 |
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