Diagnosis device of valve and diagnosis method applying same

A diagnostic device and valve technology, applied in the direction of measuring devices, testing of mechanical components, testing of machine/structural components, etc.
CN103308288AInactive Publication Date: 2013-09-18ZHEJIANG SANFANG CONTROL VALVE
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Patent Information

Authority / Receiving Office
CN ยท China
Current Assignee / Owner
ZHEJIANG SANFANG CONTROL VALVE
Publication Date
2013-09-18
Estimated Expiration
Not applicable ยท inactive patent

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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.
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Description

technical field

[0001] The present invention relates to a valve diagnosis technology, more specifically, relates to a performance diagnosis equipment and diagnosis method of pneumatic valves and electric valves, which are mainly used in the no-load and loaded working conditions of pneumatic valves and electric valves. Diagnosis technology of various performance indicators during the opening process and closing process; applied to the pre-factory inspection and online inspection of pneumatic and electric valves on key equipment in nuclear power, petrochemical, metallurgy, natural gas and other industries. Background technique

[0002] At present, there are no equipment and methods for dynamic performance testing of pneumatic valves and electric valves, only static characteristic testing methods and valve leakage testing equipment methods. The present invention fills the gap in the dynamic performance testing of pneumatic valves and electric valves. Contents of the invention ...

Claims

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