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Fluid flow measuring device and measuring method thereof

A technology of fluid flow and measuring devices, which is applied in the direction of measuring devices, fluid velocity measurement, and by detecting the dynamic effect of fluid flow, etc. It can solve the problems of inability to accurately measure fluid flow at low flow rates, and achieve the effect of avoiding inaccurate measurement

Pending Publication Date: 2021-12-17
CHNA ENERGY INVESTMENT CORP LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the above problems, the present application provides a fluid flow measurement device and its measurement method, which solves the problem that the existing fluid flow measurement device and method cannot accurately measure the low flow rate fluid flow, and achieves accurate measurement even for small flows. Purpose of measurement

Method used

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  • Fluid flow measuring device and measuring method thereof
  • Fluid flow measuring device and measuring method thereof
  • Fluid flow measuring device and measuring method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0048] Please refer to figure 1 and figure 2 The embodiment of the present invention provides a fluid flow measuring device including:

[0049] The elastic resistance member 10 is inserted inside the fluid conduit 20 in the top, and an elastic shape can occur under the action of the internal fluid of the fluid conduit 20;

[0050] Displacement measurement, which is used to measure the displacement amount generated by the elastic resistance member 10 under the action of the fluid;

[0051] The flow calculator is connected to the displacement measurer, and the flow rate of the fluid inside the fluid conduit 20 is calculated according to the displacement amount measured according to the displacement measurer.

[0052] The elastic resistance member 10 is a hollow structure; the displacement measurer includes a reflective surface structure disposed inside the top of the elastic resistance member 10 and a laser measuring unit 301 disposed above the bottom of the elastic resistance membe...

Embodiment 2

[0059] Embodiments of the present invention provide a fluid flow measuring device including:

[0060] The elastic resistance member 10 is inserted inside the fluid conduit 20 in the top, and an elastic shape can occur under the action of the internal fluid of the fluid conduit 20;

[0061] Displacement measurement, which is used to measure the displacement amount generated by the elastic resistance member 10 under the action of the fluid;

[0062] The flow calculator is connected to the displacement measurer, and the flow rate of the fluid inside the fluid conduit 20 is calculated according to the displacement amount measured according to the displacement measurer.

[0063] The elastic resistance member 10 is a hollow structure;

[0064] The displacement measurer includes a Bragg grating 302 disposed inside the top of the elastic resistance member 10 and a laser measuring unit 301 disposed above the bottom of the elastic resistance member 10;

[0065] The laser measuring unit 301 ...

Embodiment 3

[0070] Based on the first example, the number of the elastic resistance member 10 is only one or more, and when the number of the elastic resistance member 10 is plural, the plurality of elastic resistance members are interposed into fluid pipelines. 20 inside and corresponding to the displacement measurer;

[0071] It should be noted that the elastic resistance member 10 and the displacement measuring device may be a one-to-one relationship, that is, one resilient resistance member 10 sets a displacement measurement, or multiple-to-one relationship, that is, multiple elastic resistance members. 10 Corresponding to a displacement measurer, the displacement measurer can measure the displacement of the plurality of resistance members.

[0072] The flow calculator is configured to calculate the fluid flow rate in the fluid conduit 20 according to the displacement measurer, and calculate the average of the fluid flow rate of the fluid flow in the internal position of the fluid conduit...

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Abstract

The invention discloses a fluid flow measuring device and measuring method thereof. The device comprises an elastic resistance part, wherein the top part of the elastic resistance part is inserted into a fluid pipeline, and can generate elastic deformation under the action of fluid in the fluid pipeline; a displacement measurer which is used for measuring the displacement of the top part of the elastic resistance part due to elastic deformation under the action of fluid; and a flow calculator which is connected with the displacement measurer and is used for calculating the flow of the fluid in the fluid pipeline according to the displacement measured by the displacement measurer. According to the fluid flow measuring device and measuring method, the problem that in the prior art, a fluid flow measuring device cannot measure the flow of the fluid with the low flow speed is solved, and the problem that the flow of the fluid with the low flow speed cannot be accurately measured is avoided.

Description

Technical field [0001] The present invention relates to fluid flow measurement, in particular, to a fluid flow measuring device and a measurement method thereof. Background technique [0002] In the prior art, the measurement of fluid flow is generally unique to flow meter, such as differential pressure flow meters, float flow meter, volumetric flow meter, thermal flow meter, ultrasonic flow meter, and the like. However, these flow meters have poor measurements for low flow rate fluid flow, resulting in inaccurate flow measurement. [0003] Therefore, there is provided a technical problem that can be solved urgently to be solved for a technical problem that is urgent to solve the technical problem that can be solved by a fluid flow measuring device and measurement method that can accurately measure. Inventive content [0004] In response to the above problems, the present application provides a fluid flow measuring device and a measurement method thereof, solving the problem of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01F1/28G01P5/04G01S17/08G01B11/02
CPCG01F1/28G01P5/04G01S17/08G01B11/02
Inventor 张峰赵兴雷王宝登何立新
Owner CHNA ENERGY INVESTMENT CORP LTD
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