Electronic soap film flowmeter and test method for automatic continuous wetting soap tube
A flowmeter and soap tube technology, which is applied in the field of electronic soap film flowmeter and testing that automatically and continuously wets the soap tube, can solve the problem of error measurement solution, the problem of uniformity cannot be solved by regular liquid addition, and the time accuracy cannot be guaranteed.
Active Publication Date: 2019-01-01
UNIV OF SCI & TECH BEIJING
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Problems solved by technology
Uniform soap film means that the time interval of soap film generation is similar, but at present, all foams are produced by hand, and the accuracy of the time cannot be guaranteed; uniform wetting means that the thickness of the liquid film on the inner wall of the soap tube is similar, and the pulsation caused by regular liquid addition can not be guaranteed. Solving Uniformity Issues
The errors caused by these processes cannot be accounted for by the measurement of the photoelectric sensor
Method used
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[0029] In order to make the technical problems, technical solutions and advantages to be solved by the present invention more clear, the following will be described in detail with reference to the accompanying drawings and specific embodiments.
[0030] The invention provides an electronic soap film flowmeter and a testing method for automatically and continuously wetting a soap tube.
[0031] like figure 1 As shown, in this device, the top of the soap pipe 11 is provided with an air outlet 10, the soap film and the gas are discharged together from the air outlet 10, and the bottom end of the soap pipe 11 is provided with a soap pipe liquid outlet 14, when cleaning the soap pipe 11, the soap pipe 11 can be drained from the soap pipe. The pipe liquid outlet 14 discharges excess soap, and the side of the soap pipe 11 is provided with an air inlet 12, which is used for the connection of the gas pipeline to be tested; the central column 1 of the soap pipe support system is made of...
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The invention provides an electronic soap-film flow meter capable of automatically and continuously wetting a soap tube and a measuring method, and belongs to the technical field of flow measurement. The flow meter comprises the soap tube, a soap tube supporting system, a soap-film photoelectric sensor system, a liquid level adjusting system, a liquid level fluctuating system, an overflow liquid collecting system, a soap liquid pumping system, a soap liquid storage system and a soap tube wetting system. Electromagnetic force and spring force are utilized to together act on a push-pull rod which is connected with a heavy punch, and the heavy punch is immersed into or emerges from liquid by means of the push-pull rod, so that periodic fluctuating of the liquid in the soap tube is achieved. Due to the positive pressure action of an air inlet, the level of the liquid in the soap tube forms thin soap films in the dropping process, in the ascending process, the soap films pass through the photoelectric sensor system in sequence, and flow calculation and heavy punch fluctuating control are conducted according to a time difference. The flow meter is simple in structure, and automatic control over various functions can be conveniently achieved while the flow calculation is conducted.
Description
technical field [0001] The invention relates to the technical field of flow measurement, in particular to an electronic soap film flowmeter and a testing method for automatically and continuously wetting a soap tube. Background technique [0002] Electronic soap film flowmeter is a device that can measure tiny gas flow by installing paired photoelectric sensors on the direct-reading glass tube soap film flowmeter. It uses the volume between soap film and soap film to measure gas flow. The volumetric flowmeter for measuring, the measured flow range is 12 ~ 60L / min. The introduction of the photoelectric sensor avoids the defects of human eye reading and manual stopwatch timing, and improves the measurement accuracy; at the same time, it simplifies the operation steps and improves the measurement efficiency. Widely used in teaching and research, environmental monitoring, physical and chemical analysis and other fields. [0003] The electronic soap film flowmeter needs to be w...
Claims
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Login to View More IPC IPC(8): G01F1/52
CPCG01F1/52
Inventor 张辉孔吉海朱金琪王靖张奕琛李丞侃刘祖煜吴林倬金占财陆福禄吴坤
Owner UNIV OF SCI & TECH BEIJING