Regulating valve performance and fault intelligent diagnosis system and operation method thereof

A technology for intelligent diagnosis and regulating valves, applied in valve devices, mechanical valve testing, measuring devices, etc., can solve the problems of large investment, complicated installation and wiring, and difficult operation of intelligent positioners, and achieve convenient and fast installation and wiring. The effect of small operation difficulty and wide application range

Pending Publication Date: 2021-12-03
XUZHOU AKA CONTROL VALVE CO LTD
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0004]The existing control valves mainly use intelligent positioners to realize performance and fault diagnosis, but intelligent positioners require large investment and poor versatility. Self-operated valves and other valves that do not need a positioner cannot be fault diagnosed, so the scope of application is small, and the installation and wiring are relatively complicated, and the operation is difficult, which needs further improvement

Method used

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  • Regulating valve performance and fault intelligent diagnosis system and operation method thereof

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Embodiment Construction

[0015] Unless otherwise defined, the technical terms or scientific terms used in the present invention shall have the usual meanings understood by those skilled in the art to which the present invention belongs. "First", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. "Comprising" or "comprising" and similar words mean that the elements or items appearing before the word include the elements or items listed after the word and their equivalents, without excluding other elements or items. Words such as "connected" or "connected" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "Down", "Left", "Right" and so on are only used to indicate the relative positional relationship. When the absolute position of the described object changes, the relative positional relationship may also change acc...

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Abstract

The invention relates to a regulating valve performance and fault intelligent diagnosis system and an operation method thereof. The regulating valve performance and fault intelligent diagnosis system comprises a fault detector and a regulating valve, wherein the regulating valve comprises a valve body, a valve rod arranged in the valve body and an opening and closing mechanism arranged on the valve body; the opening and closing mechanism comprises a shell, a driving unit arranged in the shell, a rotating shaft arranged at the bottom of the shell and connected with the driving unit, and a main air inlet formed in the side face of the shell in a penetrating mode and communicated with the driving unit; and the regulating valve performance and fault intelligent diagnosis system further comprises a pressure data acquisition device and a displacement data acquisition device which are arranged between the fault detector and the regulating valve. The system is simple in structure, low in investment, high in universality and wide in application range, and performance and fault diagnosis can be conducted even if the regulating valve is not provided with a positioner; and moreover, installation and wiring are convenient and rapid, and the operation difficulty is low.

Description

technical field [0001] The invention relates to an intelligent diagnosis system for regulating valve performance and failure and an operation method thereof. Background technique [0002] In the field of industrial automation process control, the regulating valve is the final control element to change the process parameters such as medium flow, pressure, temperature, liquid level and so on by means of power operation by receiving the control signal output by the regulating control unit. Indispensable; if the regulating valve fails during the production process, it will cause serious harm to the enterprise. In order to reduce the harm caused by the damage of the regulating valve, it is necessary to carry out preventive maintenance on the regulating valve. [0003] The realization of preventive maintenance requires effective monitoring and detection of the operation of the control valve. Only by collecting the pressure, displacement, time and other data of the control valve an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K37/00G01M13/003G01D21/02
CPCF16K37/0025G01M13/003G01D21/02
Inventor 程路
Owner XUZHOU AKA CONTROL VALVE CO LTD
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