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Digital gas flow indirect measurement method based on AMFD algorithm

A technology of gas flow and metering method, which is applied in the direction of volume/mass flow generated by mechanical effects, and fluid flow detected by measuring pressure difference, which can solve the problems that the metering device cannot perform real-time monitoring and large metering errors, and achieve real-time monitoring Compatible with flow measurement, small error and high measurement accuracy

Inactive Publication Date: 2018-11-09
SHANDONG UNIV
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Problems solved by technology

[0003] The present invention aims to solve the technical problem that the existing membrane gas meter metering device cannot perform real-time monitoring and the measurement error is large, and provides a digital gas flow indirect measurement method based on the AMFD algorithm that can perform real-time monitoring and has a small measurement error

Method used

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  • Digital gas flow indirect measurement method based on AMFD algorithm
  • Digital gas flow indirect measurement method based on AMFD algorithm
  • Digital gas flow indirect measurement method based on AMFD algorithm

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Embodiment Construction

[0066] Referring to the accompanying drawings, the present invention will be further described in detail with specific embodiments.

[0067] like figure 1 As shown, the valve body includes a sensor connection part 5 and a main body part 6 connected together, and the connection between the sensor connection part 5 and the main part 6 is sealed by an O-ring 4 . The sensor bracket 7 is connected to the sensor connection part 5 , and the connection between the sensor bracket 7 and the sensor connection part 5 is sealed by an O-ring 8 . The main body 6 is connected with the piston 3 , the valve screw sleeve 2 is connected with the main body 6 , and the valve screw 1 is connected with the valve screw sleeve 2 . The valve screw rod 1 is connected with a handle.

[0068] like Figure 11 As shown, the valve body 12 represents figure 1 In the shown valve body, the inlet of membrane gas meter 9 is connected with natural gas pipeline 11 through pipeline, and the outlet of membrane gas...

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Abstract

The invention relates to a digital gas flow indirect metering method based on an AMFD algorithm and solves the technical problems that existing membrane gas meter metering devices cannot perform real-time monitoring and are large in metering error. A cycle fluctuation signal is detected, and gas flow is obtained by multiplying the cycle number with the fixed volume of a membrane gas meter. The method is widely applied to the technical field of gas metering.

Description

technical field [0001] The invention relates to the technical field of gas metering, in particular to a digital gas flow indirect metering method based on an AMFD algorithm. Background technique [0002] At present, when the membrane gas meter is in use, the staff need to enter the house to perform manual meter reading, and the IC card membrane gas meter cannot monitor the user's gas usage status and flow in real time. In winter and summer working conditions, the membrane gas meter still adopts the volume measurement method, which causes losses caused by measurement errors to both the gas company and the user, and cannot be corrected by the gas state equation for temperature and pressure. For dangerous states such as excessive gas flow, open fire, long-term non-use, etc., the traditional membrane gas meter metering terminal cannot realize real-time monitoring. Contents of the invention [0003] The present invention aims to solve the technical problems that the existing m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01F1/34
CPCG01F1/34
Inventor 王小利韩钊陈晓鹏
Owner SHANDONG UNIV
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