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Measuring method for gas or liquid

A measurement method and liquid technology, applied in the direction of measuring devices, instruments, signal transmission systems, etc., can solve the problems of large volume, weight, high economic cost, short service life, etc., and achieve small volume, low overall cost, and low construction cost Effect

Inactive Publication Date: 2014-10-01
BEIJING MECHANICAL EQUIP INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a method for measuring gas or liquid, which solves the problems of traditional mechanical measuring instruments, such as large volume and weight, low precision, short service life and high total economic cost in the whole life cycle

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0017] Concrete steps of a gas or liquid measuring method:

[0018] The first step is to install the RF sensor on the measured gas or liquid storage container

[0019] The RF sensor is installed on the sealed storage container of the measured gas or liquid, the mechanical measuring instrument is removed from the closed container storing the measured gas or liquid, and the RF sensor with the same measurement function is installed in the installation hole of the mechanical measuring instrument superior. The RF sensor design mounting interface is compatible with the mounting interface of mechanical measuring instruments. When implementing the replacement, it is necessary to adjust the installation position of the RF sensor according to the specific size of the mechanical measuring instrument to ensure that the test chip can fully and reliably contact the measured gas or liquid. If necessary, it is completed by installing transitional structural parts. RF sensors are also suita...

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Abstract

The invention discloses a measuring method for gas or liquid. The measuring method is used for measuring the physical / chemical characteristics of the gas or liquid through a radio frequency sensor and a portable radio frequency collecting, displaying and processing device. The radio frequency sensor is installed on a storage container of the detected gas or liquid. In the measuring process, the portable radio frequency collecting, displaying and processing device sends a measuring instruction to the radio frequency sensor, the radio frequency sensor measures the physical or chemical characteristics of the detected gas or liquid, a measured value and the identification code of the radio frequency sensor are packed according to a communication protocol and sent to the portable radio frequency collecting, displaying and processing device, the measured value of the detected gas or liquid is unpacked and resolved according to the communication protocol, and the measured value is displayed on a display screen of the portable radio frequency collecting, displaying and processing device. The requirements for precise measurement can be met, and the measuring method has the advantages that installing modes are variable, applicable measuring environment is broad, periodic calibration is not needed, and cost is low.

Description

technical field [0001] The invention relates to a wireless measuring method using a sensor, in particular to a gas or liquid measuring method. Background technique [0002] It is a common way to store and transport gas or liquid in closed containers or pipelines. In particular, the gas or liquid to be stored and transmitted has the characteristics of high pressure, high temperature, and low temperature; it is harmful to the human body or the environment; it is flammable and explosive; it must ensure high purity, etc., and use strong pressure-resistant containers or pipelines Is a safe and reliable universal way. [0003] While storing and transmitting gas or liquid safely and reliably, in most cases, it is necessary to measure some physical / chemical properties of the gas or liquid stored and transmitted as the basis for further application or control. [0004] The measurement method in the prior art mainly adopts the method of reading the value of the mechanical measuring ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01D21/00G08C17/02
Inventor 张慧
Owner BEIJING MECHANICAL EQUIP INST
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