Temperature online monitoring device for crosshead and connecting rod of reciprocating compressor

A monitoring device and compressor technology, applied in measuring devices, thermometers, thermometers with physical/chemical changes, etc., can solve problems such as hidden dangers in the working environment, cannot fully guarantee the safety of the working environment, etc. Small loss, the effect of avoiding ablation

Active Publication Date: 2016-05-18
WUHAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Reciprocating compressors usually work in flammable and explosive environments. Usually, electric temperature sensors are transmitted through electricity, which causes great hidden dangers to the working environment and cannot fully guarantee the safety of the working environment. Rod and crosshead for online temperature monitoring

Method used

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  • Temperature online monitoring device for crosshead and connecting rod of reciprocating compressor

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Embodiment Construction

[0020] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0021] see figure 1 , a reciprocating compressor crosshead and connecting rod temperature online monitoring device, including light source 1, 2 × 8 coupler 3, signal demodulation unit 2, optical signal wireless transmission unit 4 and FBG temperature detection unit 8; optical signal wireless The transmission unit 4 includes a linear collimator lens array 4-1 and a collimator 4-2; the light source 1 is connected to the 2×8 coupler 3 through an optical fiber, and the 2×8 coupler 3 is connected to the signal demodulation unit 2 through an optical fiber; 2 The ×8 coupler 3 is connected to the linear c...

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Abstract

The invention discloses a temperature online monitoring device for a crosshead and a connecting rod of a reciprocating compressor. The temperature online monitoring device comprises a light source, a coupler, a signal demodulation unit, a linear collimating lens array, a collimator and an FBG temperature detecting unit. The light source is connected with the coupler through an optical fiber. The coupler is connected with the signal demodulating unit through the optical fiber. The coupler is connected with the linear colliminating lens array which is mounted on a supporting base. The collimator is mounted in front of the crosshead of the compressor through a collimator mounting and anti-vibration platform base. Furthermore the collimator is connected with an FBG temperature detecting unit. The FBG temperature detecting unit comprises a plurality of FBG sensors. The plurality of FBG sensors are serially connected and are uniformly arranged on a crosshead tile, a connecting rod big end tile and a connecting rod small end tile of the reciprocating compressor. The temperature online monitoring device can accurately monitor the temperatures of the crosshead and the connecting rod of the reciprocating compressor, thereby ensuring normal operation of the reciprocating compressor.

Description

technical field [0001] The invention relates to the field of equipment monitoring, in particular to an online temperature monitoring device for a cross head and a connecting rod of a reciprocating compressor. Background technique [0002] The reciprocating compressor is an important refining process equipment in the field of petrochemical industry. It mainly has important functions such as catalysis, cracking and reforming, hydrogenation compression, and coking gas compression. When the reciprocating compressor operates continuously for a long period of time under high temperature, high pressure, flammable, explosive, corrosive, and toxic conditions, it must have good overall performance, high efficiency, compact structure, stable and reliable operation, and long trouble-free running time. And it can meet the needs of various working conditions. When the reciprocating compressor is in use, the friction between the small head tile of the connecting rod and the crosshead pin ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01K11/32G01K11/3206
CPCG01K11/32
Inventor 童杏林陈亮邓承伟黄迪曹驰
Owner WUHAN UNIV OF TECH
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