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为什么调节回路中广泛使用智能阀门定位器?

(Summary description)智能阀门定位器按照输入信号被分为电气智能阀门定位器与气动智能阀门定位器。若智能阀门定位器的输入为0~10mmADC、4~20mmADC标准信号,输出为20~100kPa标准信号,即为电气智能阀门定位器;若智能阀门定位器的输入为20~100kPa标准信号,输出为20~100kPa标准信号,即为气动智能阀门定位器。  智能阀门定位器是控制阀的重要附件,它将阀杆位移信号作为输入的反馈测量信号,以控制器输

为什么调节回路中广泛使用智能阀门定位器?

(Summary description)智能阀门定位器按照输入信号被分为电气智能阀门定位器与气动智能阀门定位器。若智能阀门定位器的输入为0~10mmADC、4~20mmADC标准信号,输出为20~100kPa标准信号,即为电气智能阀门定位器;若智能阀门定位器的输入为20~100kPa标准信号,输出为20~100kPa标准信号,即为气动智能阀门定位器。  智能阀门定位器是控制阀的重要附件,它将阀杆位移信号作为输入的反馈测量信号,以控制器输

Information
  智能阀门定位器按照输入信号被分为电气智能阀门定位器与气动智能阀门定位器。若智能阀门定位器的输入为0~10mmA DC、4~20mmA DC标准信号,输出为20~100kPa标准信号,即为电气智能阀门定位器;若智能阀门定位器的输入为20~100kPa标准信号,输出为20~100kPa标准信号,即为气动智能阀门定位器。
  智能阀门定位器是控制阀的重要附件,它将阀杆位移信号作为输入的反馈测量信号,以控制器输出信号作为设定信号,进行比较,当两者有偏差时,改变其到执行机构的输出信号,使执行机构动作,建立了阀杆位移量与控制器输出信号之间的一一对应关系。因此,智能阀门定位器组成以阀杆位移为测量信号,以控制器输出为设定信号的反馈控制系统,由于具备了以下几大作用,因此在控制系统中成为重要的装备:
  1.智能阀门定位器能够增大调节阀的输出功率,减小调节信号的传递滞后,提高阀杆的移动速度 。
  2.在用于调节阀两端的压差大于1 MPa时,智能阀门定位器可以提高输出压力、克服不平衡力的作用。
  3.智能阀门定位器可以改善调节阀的动态特性,减少调节信号的传递滞后。
  4.智能阀门定位器的另一个重要作用就是可以用于消除执行器薄膜的不稳定性,以及各可动部分的干摩擦影响,从而提高调节阀的精确定位和可靠性。

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The

The working principle of valve positioner

Under the advancement of technology, we have developed a valve positioner to control the equipment in order to work more accurately. The valve positioner can be used in conjunction with various equipment. Using the valve positioner, we can understand a signal of the adjustment output in the equipment, so as to realize the control of the equipment. Although the use of valve positioners is very common in our lives, many people do not know much about the structure and working principle of valve positioners. Let's take a look at the working principle of the valve positioner together.
2020-01-19
Leaders

Leaders and technical experts from China National Offshore Oil Corporation visited Wuhan Tuoyou Intelligent Co., Ltd

On October 10th, leaders and technical experts from China National Offshore Oil Corporation (hereinafter referred to as CNOOC) visited Wuhan Tuoyou Intelligent Co., Ltd. to conduct research and technical exchanges on the application of TORLEO intelligent valve positioner in offshore operation platform.
2023-10-27

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