CN103308288A - Diagnosis device of valve and diagnosis method applying same - Google Patents
Diagnosis device of valve and diagnosis method applying same Download PDFInfo
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- CN103308288A CN103308288A CN2012101229606A CN201210122960A CN103308288A CN 103308288 A CN103308288 A CN 103308288A CN 2012101229606 A CN2012101229606 A CN 2012101229606A CN 201210122960 A CN201210122960 A CN 201210122960A CN 103308288 A CN103308288 A CN 103308288A
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Abstract
The invention discloses a diagnosis device of a valve. The diagnosis device comprises a control device for outputting a control signal and collecting signals, wherein the control device is respectively connected with a valve executing mechanism control signal input device, a valve rod position feedback signal obtaining device, a valve rod strain signal obtaining device and a plurality of valve executing mechanism driving source signal obtaining devices; the control device is used for outputting the control signal and collecting a corresponding valve rod position feedback signal, a valve rod strain signal, and valve executing mechanism driving source signals. The invention further discloses a diagnosis method applying the diagnosis device of the valve. According to the technology disclosed by the invention, the valve can be diagnosed in real time online, so that the safe and convenient diagnosis method is provided for the maintenance of the valve, and foundation for automatic control is further provided.
Description
Technical field
The present invention relates to a kind of valve diagnostic techniques, in particular, the performance diagnogtics equipment and the diagnostic method that relate to a kind of operated pneumatic valve and electrically operated valve, be mainly used in operated pneumatic valve and electrically operated valve at no-load and the diagnostic techniques of property indices in the opening process of valve and the closing process is arranged under the load working condition; Be applied to dispatch from the factory front detection and online detection of pneumatic on the industry key equipments such as nuclear power, petrochemical industry, metallurgy, rock gas and electrically operated valve.
Background technology
At present, the equipment and the method that not do not detect for operated pneumatic valve and electrically operated valve dynamic property, the device, method that only has static characteristics method of testing and valve leak to detect, the present invention has filled up operated pneumatic valve and the electrically operated valve blank in the dynamic property context of detection.
Summary of the invention
The present invention detects operated pneumatic valve and electrically operated valve dynamic property for realizing, has proposed a kind of diagnostic device for operated pneumatic valve and electrically operated valve and diagnostic method.Concrete technical scheme is as follows:
A kind of diagnostic device of valve, the control device that comprises an output control signal and collection signal, this control device connects respectively valve actuating mechanism controls signal input apparatus, stem position feedback signal acquisition device, valve rod strain signal deriving means and several valve actuator drive source signal acquisition devices, in order to export control signal and to gather corresponding valve rod position feed back signal, valve rod strain signal and valve actuator drive source signal.
Further, the control signal of the control device output of output control signal and collection signal is step signal or ramp signal, valve actuator control signal input media is electropneumatic positioner, electric converter or electric actuator, valve rod strain signal deriving means is strain rosette or the foil gauge that is installed on the valve rod, stem position feedback signal acquisition device is position transducer or the steady arm that is installed on the valve rod, and several valve actuator drive source signal acquisition devices are the current sensor that is connected on the electric valve actuating mechanism power supply, voltage sensor or for being connected to several pressure transducers on the operated pneumatic valve gas source pipe diverse location.
A kind of diagnostic method of diagnostic device of application of aforementioned valve, in the valve diagnosis test, control device by output control signal and collection signal, to step signal of valve actuator control signal input media output or ramp signal, and gather simultaneously the variation of stem position feedback signal, valve rod strain signal and several valve actuator drive source signals by certain frequency acquisition, form relevant signal curve, finish diagnosis to the valve service data by the coherent signal curve.
Further, valve actuator control signal input media is electropneumatic positioner, electric converter or electric actuator, the valve rod strain signal obtains by strain rosette or the foil gauge that is installed on the valve rod, the stem position feedback signal obtains by position transducer or the steady arm that is installed on the valve rod, several valve actuator drive source signals are by being connected to the current sensor on the electric valve actuating mechanism power supply, voltage sensor obtains or obtains by several pressure transducers that are connected on the operated pneumatic valve gas source pipe diverse location, signal curve comprises pressure and displacement curve, displacement and torque curve, displacement and thrust curve, control signal and displacement curve, electric current and displacement curve, voltage and displacement curve etc., the valve service data comprises the spring force lower limit, the spring force upper limit, starting current, maximum current, open load, close load, performance load, opening time, shut-in time, open maximum load, the time stickiness, the parameters such as valve rod friction force.
The technology of the present invention has realized the line real time diagnosis valve, thereby a kind of diagnostic method of safety convenient is provided for the maintenance of valve, for further robotization control provides the foundation.
Description of drawings
Fig. 1 to Fig. 6: various operated pneumatic valve diagnostic device structural representations.
Fig. 7: electrically operated valve diagnostic device structural representation.
Illustrate: P is that pressure transducer, Y are that strain rosette or foil gauge, I are current sensor, U voltage sensor
Embodiment
Extremely shown in Figure 7 such as Fig. 1, concrete condition according to required diagnosis valve, select corresponding scheme, pressure transducer, displacement transducer, current sensor, voltage sensor and strain transducer are connected certain interface are connected with operated pneumatic valve or electrically operated valve, and their signal wire and the control device of output control signal and collection signal are interconnected.
Diagnostic method, control device by output control signal and collection signal, to electropneumatic positioner, electric converter or step signal of electric actuator output or ramp signal, and gather pressure transducer by certain frequency acquisition simultaneously, displacement transducer, current sensor, the signal intensity of voltage sensor and strain transducer, form relevant signal curve for example pressure and displacement curve, displacement and torque curve, displacement and thrust curve, control signal and displacement curve, electric current and displacement curve, voltage and displacement curve etc. extract unlatching load according to these curves, close load, opening time, shut-in time, open maximum load, the time stickiness, the parameters such as valve rod friction force.When valve dispatches from the factory, valve is carried out diagnostic test, its test figure is as reference data, when valve carries out diagnostic test to valve after operation a period of time again, its test figure compares with the strong reference data of dispatching from the factory, can understand the present operation conditions of valve, in order to arrange the inspection and maintenance plan of valve.
Claims (4)
1. the diagnostic device of a valve, it is characterized in that, the control device that comprises an output control signal and collection signal, this control device connects respectively valve actuating mechanism controls signal input apparatus, stem position feedback signal acquisition device, valve rod strain signal deriving means and several valve actuator drive source signal acquisition devices, in order to export control signal and to gather corresponding valve rod position feed back signal, valve rod strain signal and valve actuator drive source signal.
2. the diagnostic device of valve according to claim 1, it is characterized in that, the control device output control signal of described output control signal and collection signal is step signal or ramp signal, described valve actuator control signal input media is electropneumatic positioner, electric converter or electric actuator, described valve rod strain signal deriving means is strain rosette or the foil gauge that is installed on the valve rod, described stem position feedback signal acquisition device is position transducer or the steady arm that is installed on the valve rod, and described several valve actuator drive source signal acquisition devices are the current sensor that is connected on the electric valve actuating mechanism power supply, voltage sensor or for being connected to several pressure transducers on the operated pneumatic valve gas source pipe diverse location.
3. an application rights requires the diagnostic method of the diagnostic device of 1 described valve, it is characterized in that, in the valve diagnosis test, control device by output control signal and collection signal, to step signal of valve actuator control signal input media output or ramp signal, and gather simultaneously the variation of stem position feedback signal, valve rod strain signal and several valve actuator drive source signals by certain frequency acquisition, form relevant signal curve, finish diagnosis to the valve service data by the coherent signal curve.
4. an application rights requires the diagnostic method of the diagnostic device of 3 described valves, it is characterized in that, described valve actuator control signal input media is electropneumatic positioner, electric converter or electric actuator, described valve rod strain signal obtains by strain rosette or the foil gauge that is installed on the valve rod, described stem position feedback signal obtains by position transducer or the steady arm that is installed on the valve rod, described several valve actuator drive source signals are by being connected to the current sensor on the electric valve actuating mechanism power supply, voltage sensor obtains or obtains by several pressure transducers that are connected on the operated pneumatic valve gas source pipe diverse location, described signal curve comprises pressure and displacement curve, displacement and torque curve, displacement and thrust curve, control signal and displacement curve, electric current and displacement curve, voltage and displacement curve etc., described valve service data comprises the spring force lower limit, the spring force upper limit, starting current, maximum current, open load, close load, performance load, opening time, shut-in time, open maximum load, the time stickiness, the parameters such as valve rod friction force.
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| CN2012101229606A CN103308288A (en) | 2012-04-24 | 2012-04-24 | Diagnosis device of valve and diagnosis method applying same |
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| CN2012101229606A CN103308288A (en) | 2012-04-24 | 2012-04-24 | Diagnosis device of valve and diagnosis method applying same |
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| CN103308288A true CN103308288A (en) | 2013-09-18 |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104535303A (en) * | 2014-08-19 | 2015-04-22 | 机械工业仪器仪表综合技术经济研究所 | Device and method for testing partial stroke and service life of execution mechanism |
| CN106197958A (en) * | 2015-04-30 | 2016-12-07 | 洪斐喆 | Control valve detection method |
| CN106197558A (en) * | 2016-08-26 | 2016-12-07 | 扬州电力设备修造厂有限公司 | A kind of valve state on-line monitoring system and method for work thereof |
| CN106197959A (en) * | 2015-04-30 | 2016-12-07 | 洪斐喆 | Detection method switch time of control valve for fluids |
| CN106679948A (en) * | 2016-12-15 | 2017-05-17 | 北京航天测控技术有限公司 | Online fault diagnosis method of rapid valve |
| CN106706301A (en) * | 2017-02-08 | 2017-05-24 | 江苏神通阀门股份有限公司 | Torque testing device for valve ex-factory inspection |
| CN109084078A (en) * | 2018-10-26 | 2018-12-25 | 吴忠中创自控阀有限公司 | A kind of Y-shaped cut-off valve |
| CN109163135A (en) * | 2018-11-07 | 2019-01-08 | 吴忠中创自控阀有限公司 | A kind of pair of idle discharge steam control valve |
| CN109187002A (en) * | 2018-10-12 | 2019-01-11 | 徐州阿卡控制阀门有限公司 | Regulating valve on-line performance and fault detection analysis system |
| CN109342048A (en) * | 2018-12-26 | 2019-02-15 | 杰锋汽车动力系统股份有限公司 | A kind of camshaft solenoid valve fatigue rig and its test method |
| CN109752179A (en) * | 2017-11-07 | 2019-05-14 | 阿自倍尔株式会社 | Valve maintenance assisting system and method |
| CN110967179A (en) * | 2018-09-30 | 2020-04-07 | 上海汽车集团股份有限公司 | Electromagnetic valve performance testing device, system and method and judgment method |
| CN110985743A (en) * | 2019-12-27 | 2020-04-10 | 核动力运行研究所 | Pneumatic control valve state detection system |
| CN112268654A (en) * | 2020-10-19 | 2021-01-26 | 浙江工业大学 | Method for testing and calibrating stress of pneumatic valve |
| CN113049023A (en) * | 2019-12-26 | 2021-06-29 | 国核电站运行服务技术有限公司 | Online real-time monitoring device and method for electric valve |
| US11073442B2 (en) | 2017-12-21 | 2021-07-27 | Swagelok Company | Systems and methods for control and monitoring of actuated valves |
| CN113236615A (en) * | 2021-04-07 | 2021-08-10 | 华南理工大学 | Hydraulic vibration hammer starting control system and implementation method thereof |
| US11650606B2 (en) * | 2018-04-20 | 2023-05-16 | Robert Bosch Gmbh | Method for actuating a valve, and corresponding device |
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Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104535303A (en) * | 2014-08-19 | 2015-04-22 | 机械工业仪器仪表综合技术经济研究所 | Device and method for testing partial stroke and service life of execution mechanism |
| CN106197958A (en) * | 2015-04-30 | 2016-12-07 | 洪斐喆 | Control valve detection method |
| CN106197959A (en) * | 2015-04-30 | 2016-12-07 | 洪斐喆 | Detection method switch time of control valve for fluids |
| CN106197958B (en) * | 2015-04-30 | 2019-08-06 | 洪斐喆 | Control valve detection method |
| CN106197558A (en) * | 2016-08-26 | 2016-12-07 | 扬州电力设备修造厂有限公司 | A kind of valve state on-line monitoring system and method for work thereof |
| CN106679948B (en) * | 2016-12-15 | 2019-02-19 | 北京航天测控技术有限公司 | A kind of quick valve on-line fault diagnosis method |
| CN106679948A (en) * | 2016-12-15 | 2017-05-17 | 北京航天测控技术有限公司 | Online fault diagnosis method of rapid valve |
| CN106706301A (en) * | 2017-02-08 | 2017-05-24 | 江苏神通阀门股份有限公司 | Torque testing device for valve ex-factory inspection |
| CN109752179A (en) * | 2017-11-07 | 2019-05-14 | 阿自倍尔株式会社 | Valve maintenance assisting system and method |
| US11073442B2 (en) | 2017-12-21 | 2021-07-27 | Swagelok Company | Systems and methods for control and monitoring of actuated valves |
| US11867589B2 (en) | 2017-12-21 | 2024-01-09 | Swagelok Company | Systems and methods for control and monitoring of actuated valves |
| US11650606B2 (en) * | 2018-04-20 | 2023-05-16 | Robert Bosch Gmbh | Method for actuating a valve, and corresponding device |
| CN110967179A (en) * | 2018-09-30 | 2020-04-07 | 上海汽车集团股份有限公司 | Electromagnetic valve performance testing device, system and method and judgment method |
| CN109187002A (en) * | 2018-10-12 | 2019-01-11 | 徐州阿卡控制阀门有限公司 | Regulating valve on-line performance and fault detection analysis system |
| CN109084078B (en) * | 2018-10-26 | 2020-02-07 | 吴忠中创自控阀有限公司 | Y-shaped stop valve |
| CN109084078A (en) * | 2018-10-26 | 2018-12-25 | 吴忠中创自控阀有限公司 | A kind of Y-shaped cut-off valve |
| CN109163135A (en) * | 2018-11-07 | 2019-01-08 | 吴忠中创自控阀有限公司 | A kind of pair of idle discharge steam control valve |
| CN109342048B (en) * | 2018-12-26 | 2020-08-04 | 杰锋汽车动力系统股份有限公司 | Camshaft electromagnetic valve fatigue test equipment and test method thereof |
| CN109342048A (en) * | 2018-12-26 | 2019-02-15 | 杰锋汽车动力系统股份有限公司 | A kind of camshaft solenoid valve fatigue rig and its test method |
| CN113049023A (en) * | 2019-12-26 | 2021-06-29 | 国核电站运行服务技术有限公司 | Online real-time monitoring device and method for electric valve |
| CN110985743A (en) * | 2019-12-27 | 2020-04-10 | 核动力运行研究所 | Pneumatic control valve state detection system |
| CN112268654A (en) * | 2020-10-19 | 2021-01-26 | 浙江工业大学 | Method for testing and calibrating stress of pneumatic valve |
| CN113236615A (en) * | 2021-04-07 | 2021-08-10 | 华南理工大学 | Hydraulic vibration hammer starting control system and implementation method thereof |
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Application publication date: 20130918 |