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Boiler tube abnormal pressure detection system based on PTG502-CAN

A detection system and CAN bus technology, applied in the field of detection systems, can solve the problem of low accuracy of abnormal pressure detection, achieve the effects of good scalability and stability, easy to use in large quantities, and low design cost

Inactive Publication Date: 2018-02-02
田荣侠
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Problems solved by technology

[0004] The purpose of this invention is to design a PTG50-CAN-based boiler pipeline abnormal pressure detection system for the problem that the traditional system has low accuracy in detecting abnormal pressure of steam pipelines in thermal power plants

Method used

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  • Boiler tube abnormal pressure detection system based on PTG502-CAN
  • Boiler tube abnormal pressure detection system based on PTG502-CAN
  • Boiler tube abnormal pressure detection system based on PTG502-CAN

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Embodiment Construction

[0023] like figure 1 As shown, the boiler pipeline abnormal pressure detection system based on PTG502-CAN consists of a boiler module, a boiler control module, a detection control module, an abnormal pressure acquisition module, a pressure sensor module, a main control base station module, an execution module, and a CAN bus connection module 3G / It is composed of GPRS transmission module, abnormal pressure data processing module, display and early warning module, data storage module and other modules. The entire network adopts a distributed network control system, and the detection network connects the control nodes of multiple main control base stations with CAN bus. Each control node is connected to multiple actuators, and flexibly add or delete control nodes or pressure actuators according to the different lengths and distributions of the pipelines, so that the pipeline pressure detection network has good scalability and can be implemented according to actual needs For dif...

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Abstract

The invention provides a boiler tube abnormal pressure detection system based on PTG502-CAN so as to solve the problem that a traditional system is not high in accuracy of detecting of abnormal pressure of a steam pipeline of a thermal power plant. The whole boiler tube abnormal pressure detection system adopts a distributed CAN network control system, pressure sensors PTG502 are arranged at all key parts of a boiler tube to collect real-time pressure intensity signals, all pressure signals in the detection network are processed and sent to a microcontroller for comprehensive analysis, the microcontroller judges abnormal pressure of certain parts according to a set program algorithm and sends data to a tube control center system in real time, and thus a main control center timely adopts the measures of stopping pressurization, giving out acousto-optic alarms and the like to effectively reduce the occurrence of safety accidents; and finally experiments are carried out, and experimentalresults show that the designed system has high stability, the accuracy of the detection data is greatly improved, and the actual requirement is met.

Description

Technical field [0001] The invention relates to a detection system, in particular to a PTG502-CAN-based abnormal pressure detection system for boiler pipes. Background technique [0002] The safety and stability of boiler steam pipelines in thermal power generation production is very important, including main steam pipelines, reheat steam pipelines, steam turbine extraction pipelines, high-pressure water supply pipelines, safety valve exhaust pipelines and other pipelines. Under normal circumstances, the control center can only detect the average pressure of the entire pipeline, and some key parts of the pipeline often have abnormal pressure, which is easy to cause safety accidents in these parts. The accuracy of pressure detection is not high, and the system is prone to fluctuations, which cannot effectively avoid safety accidents caused by pipeline leakage [0003] PTG502 pressure transmitter adopts high-precision and high-stability resistance strain gauge / diffused silico...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F22B37/38F22B37/42F22B35/00
CPCF22B37/38F22B35/00F22B37/42
Inventor 田荣侠
Owner 田荣侠
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