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Actuators, Control Valves and Valve Control Systems

A valve control and actuator technology, applied in the field of control valves, can solve problems such as the failure of the actuator to reach and the inability to diagnose valve failures, etc.

Active Publication Date: 2020-12-04
SIEMENS SWITZERLAND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing actuators can usually only acquire sensor signals containing the actuator’s action data and send them to the control center. The control center diagnoses whether the valve is faulty by comparing it with the preset data, for example, due to the failure of the valve The rod is stuck, causing the actuator to fail to achieve the intended action
This actuator can only diagnose the symptoms of the valve, not the potential failure of the valve

Method used

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  • Actuators, Control Valves and Valve Control Systems
  • Actuators, Control Valves and Valve Control Systems
  • Actuators, Control Valves and Valve Control Systems

Examples

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Embodiment Construction

[0045] In order to have a clearer understanding of the technical features, purposes and effects of the invention, the specific embodiments of the present invention are now described with reference to the accompanying drawings, in which the same reference numerals represent components with the same or similar structures but the same functions.

[0046] In this article, "schematic" means "serving as an example, example or illustration", and any illustration or implementation described as "schematic" should not be interpreted as a more preferred or more advantageous Technical solutions.

[0047] figure 1 It is a structural schematic diagram of a schematic implementation of the actuator used to illustrate the control valve, refer to figure 1 , the control system includes a control center 80, the control center 80 can send a control signal S1, and the control center 80 can also receive a diagnosis signal S3 and analyze and diagnose it. The control valve includes a valve 70, and t...

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Abstract

The invention includes an actuator of a control valve of a valve control system, including a drive unit (10), a sensor unit (20), a data processing unit (30) and a communication control unit (40). The drive unit can receive the control signal (S1) and drive the valve stem to rotate. The sensor unit is arranged on the driving unit and can sense the driving force applied to the valve rod when the driving unit drives the valve rod to move and generate an initial diagnosis signal (S2). The data processing unit can receive the initial diagnosis signal and perform signal conditioning to generate a diagnosis signal (S3). The communication control unit is capable of receiving and sending control signals to the drive unit, and is also capable of receiving and sending diagnostic signals to the control center (80). The actuator can send data on the actuator's driving force on the valve stem to the control center to diagnose potential valve failures. The present invention also provides a control valve and a valve control system including the above-mentioned actuator.

Description

technical field [0001] The invention relates to the technical field of control valves, in particular to an actuator of a control valve of a control system, a control valve with an actuator, and a control system. Background technique [0002] A control valve includes a valve and an actuator, and the actuator drives the valve through action. In order to meet the needs of the market, the actuator usually needs to have a diagnostic function. Existing actuators can usually only acquire sensor signals containing the actuator’s action data and send them to the control center. The control center diagnoses whether the valve is faulty by comparing it with the preset data, for example, due to the failure of the valve The rod is stuck, causing the actuator to fail to achieve the intended action. This kind of actuator can only diagnose the symptoms that the valve has appeared, and cannot diagnose the potential failure of the valve. Contents of the invention [0003] The purpose of t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K31/04F16K31/53
CPCG05B19/042G05B2219/33326G05B2219/45006F15B19/005F16K37/0083F15B15/1457F15B2211/865F15B19/007G05B15/02F15B2211/76F15B15/202
Inventor 王力袁勇蓝培
Owner SIEMENS SWITZERLAND
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