Device and method for measuring volume of irregular object through gas

A gas measurement and irregular technology, applied in the direction of measuring devices, fluid devices, instruments, etc., can solve the problems of low efficiency of the test process, affecting the measurement accuracy, destroying the measured object, etc., achieving significant application effects, accurate measurement results, Effectively Measured Effects

Pending Publication Date: 2018-11-06
上海力信能源科技有限责任公司
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AI Technical Summary

Problems solved by technology

[0003] For irregular objects, the volume is also measured by the liquid drainage method, but the test process is inefficient. After testing an object, the instrument needs to be dried, which is a waste of time. If there is liquid residue, it will also affect the measur

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  • Device and method for measuring volume of irregular object through gas

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Embodiment Construction

[0024] The present invention is further illustrated below in conjunction with the accompanying drawings and specific examples, and these examples are only used to illustrate the present invention and are not intended to limit the scope of the present invention.

[0025] The principle of the present invention is based on the ideal gas law, using the ideal gas equation PV=nRT, under the conditions of constant temperature T and ideal gas constant R, through three steady-state ideal gas processes, the ideal gas equations under three different pressures are obtained. Three pressure values ​​need to be measured, and the unary linear equation between the pressure P and the volume V can be determined after solving to calculate the volume of the irregular object to be measured.

[0026] A device for measuring the volume of irregular objects with gas, as attached figure 1 As shown, it includes vacuum pump 1, pressure box A2, pressure box B3, gas tank 4, valve A61, valve B62, valve C63, ...

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Abstract

The invention discloses a device for measuring the volume of an irregular object through gas. A vacuum pump is communicated with a pressure tank A through a pipeline; the pressure tank A is communicated with a pressure tank B through a pipeline; the pressure tank B is communicated with a gas tank through a pipeline; a valve A, a valve B and a valve C are arranged on the pipelines in sequence; a pressure gauge A is arranged in the pressure tank A; a pressure gauge B is arranged in the pressure tank B; the pressure tank A is provided with an opening and a cover plate covering the opening; desired gas is arranged in the gas tank. In addition, the invention discloses a method for measuring the volume of the irregular object through the gas. According to the device and the method, the pressureintensity is measured through pressure intensity changes caused by volume changes in the pressure tanks according to a desired gas law and a desired gas equation, and then the volume of the irregularobject to be measured can be calculated; the device has a strict theoretical basis and an accurate measurement result; the measured object is not damaged in the measurement process; the device can beused for measuring the volumes of all types of irregular objects and particularly applicable to measurement of the volumes of objects which cannot be in contact with liquids.

Description

technical field [0001] The invention relates to object volume measurement, in particular to a device and method for measuring the volume of irregular objects. Background technique [0002] Most of the current methods for measuring the volume of objects are limited to the measurement of regular objects, such as cuboids, spherical objects, etc., by measuring the length, width, height or diameter, and then calculating the volume of the object. This method can only be limited to regular objects, and most of them are irregular objects in engineering. [0003] For irregular objects, there is also a liquid displacement method to measure the volume, but the test process is inefficient. After testing an object, the instrument needs to be dried, which is a waste of time. If there is any liquid residue, it will also affect the measurement accuracy. The liquid discharge method is also not suitable for measuring objects that will react or absorb with liquids, such as lithium-ion soft-pa...

Claims

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Application Information

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IPC IPC(8): G01B13/00
CPCG01B13/00
Inventor 李文平陈志奎周卫薛志凡王伟王宁飞
Owner 上海力信能源科技有限责任公司
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