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Soap film flowmeter

A flowmeter and soap film technology, which is applied in the direction of volume/mass flow generated by mechanical effects, and the detection of fluid flow by measuring differential pressure, so as to achieve the effect of expanding the measurement range and simple and reliable structure.

Inactive Publication Date: 2011-08-10
QINGDAO HENGYUAN TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of the deficiencies in the prior art, the technical problem to be solved by the present invention is to provide a soap film flowmeter to solve the problem that soap film is not easy to be produced when measuring a large flow rate with a soap film flowmeter, and to expand the soap film flowmeter. range of measurement and use, and waste soap film liquid can be recycled

Method used

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Embodiment Construction

[0017] Such as figure 1 As shown, the soap film flowmeter includes soap liquid 7 and a soap film liquid recovery device 2, a soap film pipe 3, a soap film production device 5, a soap liquid cup 6, a connecting rod 8, a connecting rod sealing device 9. A valve 10.

[0018] The top of the soap film pipe 3 is socketed and sealed with a soap film liquid recovery device 2. The soap film liquid recovery device 2 is a drum with a diameter greater than the soap film pipe 3, and an air outlet 1 is arranged on its upper surface. The center is provided with a circular hole whose diameter is adapted to the outer diameter of the soap film tube 3, and the soap film tube 3 passes through the circular hole into the inside of the soap film liquid recovery device 2 but does not contact the upper surface of the soap film liquid recovery device 2; There is also a soap outlet 11 on the outer side of the lower surface of the membrane liquid recovery device 2 , and a valve 10 is arranged on the soa...

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Abstract

The invention discloses a soap film flowmeter, which comprises a soap film tube, a gas inlet, a liquid soap cup and liquid soap. The liquid soap is accommodated in the liquid soap cup; the upper part of one side of the liquid soap cup is provided with the gas inlet; the soap film tube is inserted into the liquid soap cup and is in fixed and sealed connection with the liquid soap cup; and the soap film tube is positioned above a liquid level of the liquid soap. The soap film flowmeter is characterized in that: a soap film production device (5) is also arranged between the upper surface of the liquid soap cup (6) and the liquid level of the liquid soap (7); and an internal radial dimension of the soap film production device (5) is not less than a bottom radial dimension of the soap film tube (3). By the soap film flowmeter, the difficulty that the soap film is not easy to produce when a larger flow is measured by the soap film flowmeter is solved, the measurement use range of the soap film flowmeter is broadened, and the waste soap film liquid can be recycled.

Description

technical field [0001] The invention relates to a soap film flowmeter for measuring gas flow. Background technique [0002] In the People's Republic of China Metrology Verification Regulations JJG586-2006 "Soap Film Flowmeter" implemented on March 6, 2007, there is a detailed description of the working principle and structure of the soap film flowmeter. In the prior art, the structure of the soap film flowmeter is a soap film tube with a scale. There is an air inlet below the soap film tube. The bottom end of the soap film tube is connected with a rubber ball, and the soap film is housed in the rubber ball. Liquid, its working principle is: the gas to be measured enters the soap film tube through the air inlet at the lower end of the soap film tube, squeezes the rubber ball (or uses other methods) to produce a soap film, and due to the pressure of the intake air, pushes the soap film along the The soap film tube rises at a constant speed. When the soap film rises to the low...

Claims

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Application Information

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IPC IPC(8): G01F1/36
Inventor 王丕征毕建军黄朝晖辛克禧王鹏
Owner QINGDAO HENGYUAN TECH DEV
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