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An automatic film-opening soap film flowmeter

A technology of flowmeter and soap film, applied in the field of machinery, can solve the problems of additional error of soap liquid, reduce the accuracy level of flowmeter, etc., and achieve the effect of reducing error, improving verification efficiency and avoiding influence.

Active Publication Date: 2017-08-08
XINJIANG UYGUR AUTONOMOUS REGION INST OF MEASUREMENT & TESTING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] (2) Additional errors caused by soap liquid backflow after soap film rupture
[0007] (4) Accurate control of the calibration process
For a soap film flowmeter with a smaller size (volume 25ml), the error reaches ±0.2%, which reduces the accuracy level of the flowmeter

Method used

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  • An automatic film-opening soap film flowmeter
  • An automatic film-opening soap film flowmeter

Examples

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Embodiment Construction

[0027] Such as figure 1 As shown, the soap film flowmeter includes a soap film tube 1, a soap film production device, and a soap film recovery device, and the soap film recovery device includes a soap film recovery cover 2, a soap recovery tube 11 and a soap recovery cup 3, and the soap recovery tube 11. One end is connected to the soap recovery cover 2 on the top of the soap film tube 1, and the other end stretches into the soap recovery cup 3; Top: Soap liquid is housed in soap liquid recovery cup 3, and the bottom of soap liquid pipe 22 is connected in soap film recovery cup 11 bottom sidewalls, and the liquid level of soap liquid is at the same height with the top of air intake pipe 4 air inlets.

[0028] The tube wall of the soap film tube is provided with an upper scale line 6 and a lower scale line 7 .

[0029] The top of the soap recovery cup 3 is connected with a liquid adder 12, and the top of the side wall is connected with an overflow pipe 14, and the bottom end o...

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Abstract

The invention provides an automatic film-opening type soap film flowmeter, comprising a soap film pipe, a soap film production device and a soap film recovery device; the soap film production device comprises a soap liquid pipe and an air intake pipe, and the air intake pipe is arranged on the upper part of the soap liquid pipe The soap film recovery device includes a soap film recovery cover, a soap recovery tube and a soap recovery cup, one end of the soap recovery tube is connected to the soap recovery cover on the top of the soap film tube, and the other end extends into the soap recovery cup; Soap liquid is housed in the recovery cup, and the bottom of the soap liquid pipe is connected to the bottom side wall of the soap film recovery cup, and the liquid level of the soap liquid is at the same height as the top of the air inlet of the air intake pipe. The invention adopts the principle of the connecting device to realize the mode of automatic film opening, which makes up for the defect of manual film opening and reduces the verification error.

Description

technical field [0001] The invention relates to an automatic film opening type soap film flowmeter, which belongs to the technical field of machinery. Background technique [0002] With the continuous development of modern science and technology, improving process control and accurate flow measurement have become very important technical issues. Especially for tiny gas flow, the control of flow, air flow will be affected by ambient temperature and pressure, which will lead to large difference in gas flow, and the accuracy may also be affected by various factors. Therefore, in order to correctly measure and transmit flow data, it is necessary to study a suitable gas flow standard device for the above conditions. [0003] At present, the soap film flowmeter is one of the main flowmeters for measuring the flow of tiny gases. The main part is a glass tube with a smooth inner wall and as uniform inner diameter as possible. Use the soap film flowmeter to ventilate the soap film ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01F1/708G01F25/00
Inventor 蔡勤塔依尔·斯拉甫力黄湘来梁芳洪潮朱锐
Owner XINJIANG UYGUR AUTONOMOUS REGION INST OF MEASUREMENT & TESTING
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