Pressure Transmitter Monitoring Method

A transmitter and pressure sensor technology, applied in the field of industrial control component monitoring, can solve the problems of input, industrial control system operation deviation, and inability to detect in time, and achieve the effect of small data accuracy error

Active Publication Date: 2020-06-09
南京航伽电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, the pressure transmitter is regularly tested to test whether its shell and internal components are working properly, but when the pressure transmitter fails, it is obviously impossible to find the problem in time, and the abnormal data will be entered as normal data. As a result, the overall deviation of the subsequent industrial control system operation

Method used

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Embodiment Construction

[0017] The technical solutions provided by the present invention will be described in detail below in conjunction with specific examples. It should be understood that the following specific embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention.

[0018] A monitoring method for a pressure transmitter, comprising the steps of:

[0019] Step 1, first collect the basic data of the pressure transmitter, apply the pressure transmitter to different media for data collection, and take the average value, maximum value and minimum value of the collection under different application media respectively; change the pressure transmission For the pressure of the medium measured by the device, take at least 5 pressure measurement points within the range, test several times at each pressure measurement point, and take the average, maximum and minimum values ​​of each test value. Calculate the difference between the maximu...

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Abstract

The invention discloses a pressure transmitter monitoring method. In view of the fact that components need to be isolated before complete detection, separate monitoring of components is abandoned, andcomponents are monitored according to the overall signal output direction. Through the pressure transmitter monitoring method provided by the invention, the numerical value of a pressure transmittercan be monitored, and prompt and warning information can be sent to a server in time. The monitoring threshold is calculated after early data acquisition, and the data is accurate and has small error.In addition, the state of a pressure sensor can be judged, and prompt and warning information can be sent to the server when the pressure sensor fails or the environment is abnormal.

Description

technical field [0001] The invention belongs to the technical field of monitoring of industrial control components, and in particular relates to a monitoring method of a pressure transmitter. Background technique [0002] A pressure transmitter is a device that converts pressure into a pneumatic signal or an electric signal for control and remote transmission. It can convert the physical pressure parameters such as gas and liquid felt by the load cell sensor into a standard electrical signal (such as 4~20mADC, etc.), which can be used to supply secondary instruments such as indicating alarms, recorders, regulators, etc. for measurement and indication. and process regulation. Pressure transmitter is a kind of transmitter commonly used in industrial practice, and is widely used in various industrial automatic control environments. [0003] The calibration and testing of pressure transmitters is a routine maintenance and guarantee work to ensure that the products work normall...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01L27/00G01L27/02
CPCG01L27/00G01L27/007G01L27/02
Inventor 俞强唐娟丁云霞
Owner 南京航伽电子科技有限公司
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