A method for monitoring the safety of civil gas

A technology of safety monitoring and gas, which is applied in general control systems, program control, instruments, etc., can solve the problems of non-real-time system, poor security, and difficulty in upgrading the old system, achieve efficient safety management, and solve the problems of non-real-time data Effect

Active Publication Date: 2019-08-02
TSINGHUA UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention aims to provide a civil gas safety monitoring method to solve the problems of non-real-time, poor security and difficulty in upgrading the old system in the existing system

Method used

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  • A method for monitoring the safety of civil gas
  • A method for monitoring the safety of civil gas
  • A method for monitoring the safety of civil gas

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Experimental program
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Embodiment Construction

[0043] The present invention will be further described below in conjunction with accompanying drawing.

[0044] figure 1 It is a schematic diagram of a data acquisition system used in a civil gas safety monitoring method, including a gas meter 1 , a reading device 2 and a processor 3 . The reading device 2 is located inside the gas meter or outside the gas meter 1, and is adapted to be powered by an external power supply or a battery. When the external power supply is connected, the external power supply supplies power to the reading device 1 and charges the battery at the same time; when the external power supply is cut off, the battery supplies power to the reading device 1 . The processor 3 and the reading device 2 adopt a separate design, or the processor 3 and the reading device 2 adopt an integrated design, or the processor 3 is an independent remote server. The reading device 2 regularly acquires the reading data of the gas meter 1 and sends it to the processor 3 thro...

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Abstract

The invention provides a civil gas safety monitoring method, and relates to a method for judging the pipeline safety state through gas meter reading data. According to the method, different thresholds are set according to the flow data calibrated in advance within the unit time before installation of the system or in preliminary installation or according to the sum of the upper limit of the nominal values of gas consumption of all the gas utilization equipment behind the gas meter within the unit time and according to different situations; concretely, the gas meter acquires the reading data in real time and transmits the reading data to a processor, and the processor judges whether the pipeline behind the gas meter has large amount of leakage or small amount of leakages through the change law of the historical data and the preset thresholds and alarms if the judgment result is yes. The safety of the civil gas system can be guaranteed so that the safety decision and the user service can be provided for the gas company and the method has wide adaptability and flexible expansibility.

Description

technical field [0001] The invention belongs to the field of gas metering safety, and particularly relates to a method for judging the safety status of pipelines through the readings of the gas meter. Specifically, the gas meter acquires the display data in real time and sends it to a processor, and the processor analyzes the gas meter in combination with historical data The change characteristics of the data can be used to judge whether there is a large amount of leakage or a small amount of leakage in the pipeline behind the gas meter, and an alarm will be issued if there is a leakage. This is a safe and general data analysis method, which can ensure the safety of civil gas systems, provide safety decision-making and user services for gas companies, and has wide adaptability and flexible scalability. Background technique [0002] Because the gas explosion is extremely destructive and harmful, it will pose a serious threat to people's life safety and economic property. Ther...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/048
CPCG05B19/048
Inventor 唐飞王永山陈进孙平范志伟杨霖
Owner TSINGHUA UNIV
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