Flow electric capacity real-time detection device for solid phase flow and liquid phase flow and detecting method thereof

A technology of capacitance and phase flow, which is applied in the field of real-time detection devices for solid-liquid two-phase flow capacitance, can solve problems such as difficult measurement and inaccurate data, and achieve good real-time performance, interference suppression, and high detection accuracy

Inactive Publication Date: 2006-02-22
LIAONING TECHNICAL UNIVERSITY
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  • Abstract
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Problems solved by technology

[0002] In engineering, there are many test methods for flow rate and flow rate, and you can choose the corresponding measurement method according to the needs of the test. However, in some limited conditions, if it is not allowed to cut off the pipeline, it is not allowed to open a window on the pipeline and it needs to be measured outside the pipeline. , or the flowmeter is required to measure the average flow velocity or flow rate in the case of variable flow velocity distribution in the pipeline. This measurement is very difficult, and the measured data is not very accurate

Method used

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  • Flow electric capacity real-time detection device for solid phase flow and liquid phase flow and detecting method thereof
  • Flow electric capacity real-time detection device for solid phase flow and liquid phase flow and detecting method thereof
  • Flow electric capacity real-time detection device for solid phase flow and liquid phase flow and detecting method thereof

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Embodiment Construction

[0015] Refer to attached figure 1 The solid-liquid two-phase flow capacitance real-time detection device is composed of an upstream and downstream capacitive sensor circuit 1, a concentration forward channel circuit 2, a power supply circuit 3, a central processing circuit 4, a display circuit 5, a correlator circuit 6 and a speed forward dual circuit. The channel circuit 7 is composed.

[0016] Upstream and downstream capacitive sensor circuit 1 (refer to attached Figure 4 ) which includes the switch S 1 ~S 8 , upstream and downstream measured stray capacitance C AS 、C BS , the stray capacitance C between the upper and lower pole phases and the electric shield as1 、C bs1 、C as2 、C bs2 , operational amplifier AR 1 、AR 2 、AR 7 、AR 8 , resistance R 1 ~R 4 , capacitance C 13 ~C 20 . Switch S 1 One end of the terminal is connected to +5V power supply, and the other end is connected to S 2 、C AS 、C as1 one end of the S 2 、C as1 、C bs1 The other end is groun...

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Abstract

This invention relates to flux measurement device and relates to one solid and liquid flux capacitor real time test device and method, which comprises upper and down capacitor sensor circuit, intensity forward channel circuit, power circuit, display circuit, and correlator circuit. The test device system is also located with central process circuit; liquid and solid flux capacitor test device and method to realize the online real-time measurement and to display the flux.

Description

technical field [0001] The invention belongs to a flow detection device, in particular to a solid-liquid two-phase flow flow capacitance real-time detection device and detection method. technical background [0002] In engineering, there are many test methods for flow rate and flow rate, and the corresponding measurement method can be selected according to the needs of the test. However, in some limited conditions, if the pipeline is not allowed to be cut off, the window cannot be opened on the pipeline and it needs to be measured outside the pipe. , or the flowmeter is required to measure the average flow velocity or flow rate in the case of variable flow velocity distribution in the pipeline. This measurement is very difficult, and the measured data is not very accurate. Contents of the invention [0003] The purpose of the present invention is to overcome the above-mentioned technical deficiencies, to provide a real-time detection device for solid-liquid two-phase flow ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01F1/56
Inventor 付华杜晓坤许振良
Owner LIAONING TECHNICAL UNIVERSITY
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