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Soap film flowmeter

A technology of flowmeter and soap film, applied in the field of soap film flowmeter, can solve problems such as poor production of soap film, and achieve the effect of simple and reliable structure

Inactive Publication Date: 2009-06-24
王丕征
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of this invention is to provide a kind of soap film flowmeter: (1) the production method of soap film is different from traditional soap film flowmeter, to solve when measuring larger flow with soap film flowmeter, it is difficult to produce soap film The problem of expanding the measurement range of soap film flowmeter

Method used

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  • Soap film flowmeter

Examples

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Embodiment Construction

[0012] Such as figure 1 As shown, in this embodiment, the soap film flowmeter includes an air outlet 1, a soap film liquid recovery device 2, a soap film tube 3, a soap film production device 4, a soap liquid cup 5, a soap liquid filling port 6, and a rubber ball interface 7. Rubber ball 8, soap liquid 9, air inlet 10, valve 11, soap film liquid outlet 12, characterized in that the soap film liquid recovery device 2 is socketed on the upper part of the soap film pipe 3, and the soap film production device 4 extends into the In the soap liquid cup 5, gas enters in the soap liquid cup 5 by air inlet 10, flows out through soap film production device 4, soap film pipe 3, air outlet 1, when extruding rubber ball 8 (or with other methods), The liquid level of soap liquid 9 rises to the bottom of soap film production device 4, and after unclamping, produced a soap film on soap film production device 4, the gas that enters from air inlet 10 pushes soap film up to soap film pipe 3 In,...

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Abstract

The invention relates to a soap film flowmeter used for measuring gas-flow rate, which comprises a gas outlet, a soap film liquid recycling device, a soap film tube, a soap film production device, a soap film cup, a soap liquid feed inlet, a rubber ball interface, a rubber ball, soap liquid, a gas inlet, a waste soap film liquid outlet and a valve; the soap film liquid recycling device used for collecting waste soap film liquid is positioned above the soap film tube; the soap film production device is positioned under the soap film tube; the gas to be tested flows in through the gas outlet and the soap film cup and flows out through the soap film tube and the gas outlet; the soap film production device produces a soap film through squeezing the rubber ball or by other means; under the action of the pressure of the incoming gas, the soap film is pushed to rise at a uniform speed along the soap film tube; the time for the soap film to pass from one scale position to another on the soap film tube is measured by means of stopwatch measure or photoelectrical detection and the like; the flow rate can be determined through the calculation involving the measure time and the capacity between the two scales on the soap film tube; the soap film comes into the soap film liquid recycling device after rising to the upper end of the soap film tube; and the waste soap film liquid can be removed after the valve is opened.

Description

technical field [0001] The invention relates to a soap film flowmeter for gas flow measurement. 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 current technology, the structure of the soap film flowmeter is a soap film tube with a scale. There is an air inlet under the soap film tube. The bottom end of the soap film tube is connected to a rubber ball, and the soap film liquid is contained in the rubber ball. , 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 ris...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01F1/36G01F15/00G01F15/12
Inventor 王丕征陈晶黄朝晖程昕刘卫兵张克松
Owner 王丕征
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