High-pressure gas flow meter of U-shaped measuring pipe

Abstract

The invention discloses a high-pressure gas flow meter of a U-shaped measuring pipe, which has the characteristic of being capable of increasing the stability of a base of a sensor. The high-pressure gas flow meter of the U-shaped measuring pipe comprises a sensor shell, a U-shaped measuring pipe, a driver, signal detectors and vibration isolators, wherein the U-shaped measuring pipe is arranged in the sensor shell, and the bottom of the U-shaped measuring pipe is fixedly connected to the base of the sensor; the driver is arranged in the middle of the arch-shaped top end of the U-shaped measuring pipe; the signal detectors are symmetrically arranged on the U-shaped measuring pipe of the left and the right sides of the driver; the vibration isolators are arranged at the left and the right sides of the bottom end of the U-shaped measuring pipe; and the bottom of the U-shaped measuring pipe is provided with a straight pipe, and the vibration isolators are arranged on the bottom straight pipe. Because the bottom of the U-shaped measuring pipe is provided with the straight pipe, the horizontal length of the base of the sensor can be reduced, the rigidity of the base of the sensor is increased and null drift influenced by installation pipelines can be avoided, thereby the influence of the whole high-pressure gas flow meter by the stress of the installation pipelines is furthest reduced and the U-shaped measuring pipe is suitable of being popularized and applied to the high-pressure gas flow meter for measuring the quality and the flow of fluid.

Description

technical field [0001] The invention relates to a high-pressure gas flowmeter, in particular to a U-shaped measuring tube high-pressure gas flowmeter. Background technique [0002] At present, oil vehicle exhaust emissions are the main source of urban air pollution. Vigorously promoting the use of natural gas instead of gasoline and diesel as new vehicle fuels is an important way to effectively reduce vehicle exhaust pollution. With the country's emphasis on clean energy and the strengthening of Chinese people's awareness of environmental protection, natural gas, as the best alternative energy, is gradually entering all aspects of our daily life, especially in the automotive industry. High-pressure gas flowmeter is the most important technical means of trade settlement in the CNG industry, and research on high-pressure gas flowmeter technology is an inevitable trend in the development of my country's application of clean and environmentally friendly natural gas vehicles. ...

AI Technical Summary

Problems solved by technology

The above vibration isolation system has poor vibration isolation effect for high frequency vibration, which affects the stability of the sensor

[0007] 3. The shape of the sensor shell is relatively simple, there are a large number of wide planes, its vibration frequency is low, close to the vibration frequency of the U-shaped measuring tube, it is easy to resonate, so that the high-pressure gas flowmeter cannot work normally

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