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Piston rod settlement monitoring system with threshold shielding function

A technology of settlement monitoring and piston rod, which is applied in the field of compressors, can solve problems such as shutdown and false alarms, and achieve the effect of improving accuracy and avoiding shutdown

Pending Publication Date: 2022-06-28
无锡康茨压缩机配件与系统有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Since the probe can only monitor and record an isolated measurement point, both of the above reasons may trigger false alarms, resulting in unnecessary downtime

Method used

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  • Piston rod settlement monitoring system with threshold shielding function
  • Piston rod settlement monitoring system with threshold shielding function

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Experimental program
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Embodiment

[0039] A piston rod settlement monitoring system with threshold shielding function, refer to figure 1 and figure 2 , which includes a piston rod position sensor, a data collector 3, a crankshaft position sensor, a data processing unit 4, a data server 5 and an industrial computer 6; wherein, the piston rod position sensor is used to continuously collect the sinking displacement value of the piston rod 2, and the crankshaft The position sensor is used to collect the angle of the crankshaft 1, the data processing unit 4 is respectively connected with the data collector 3 and the crankshaft position sensor, and a signal isolation barrier is arranged between the crankshaft position sensor and the data processing unit 4; in this embodiment, according to the crankshaft position The angle signal sent by the sensor, the data collector 3 sends a collection instruction to the piston rod position sensor, and continuously measures the sinking displacement value of the piston rod 2 during...

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Abstract

The invention discloses a piston rod settlement monitoring system with a threshold shielding function, and relates to the field of compressors. According to the technical scheme, the method is characterized in that according to an angle signal sent by a crankshaft position sensor, a data collector sends a collection instruction to a piston rod position sensor, and the sinking displacement value of a piston rod is continuously measured within the 360-degree rotation period of a crankshaft, so that the sinking displacement value of the piston rod corresponds to the angle of the crankshaft. The method has the threshold shielding function, unnecessary shutdown can be avoided, and trend analysis and pre-judgment can be conducted on settlement of the piston rod.

Description

technical field [0001] The invention relates to the field of compressors, and more particularly, to a piston rod settlement monitoring system with a threshold shielding function. Background technique [0002] For reciprocating piston compressors, the piston parts have been reciprocating in the cylinder. Since most of the weight of the piston parts acts on the support ring, the support ring wears greatly after long-term use, so that the axis of the piston part is deviated from the center and contacts with other parts. Cause damage to piston rod, cylinder liner and packing parts. In order to solve the above problems, the currently adopted solution is to monitor the sinking amount of the piston rod and give an alarm prompt. [0003] For example, the eddy current displacement sensor is installed on the outer side of the flange of the cylinder stuffing box, and by monitoring the change of the distance (Y value) between the sensor probe and the surface of the piston rod, it is ju...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C5/00
CPCG01C5/00
Inventor 常海城
Owner 无锡康茨压缩机配件与系统有限公司