Online detecting method and device for high precision liquid ethanol concentration

A technology of liquid ethanol and detection method, which is applied in measuring devices, special data processing applications, material analysis through electromagnetic means, etc. It can solve problems such as slow response speed, narrow temperature detection range, and sensitive mechanism susceptible to interference.

Inactive Publication Date: 2007-10-10
SOUTH CHINA UNIV OF TECH
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Problems solved by technology

[0011] Third, in the research of gas sensors, it is often found that due to the difficulty in sensor selectivity, and the inherent hysteresis and interference characteristics of the sensitive mechanism, there are the following: ①Non-linear sensitivity curve characteristics; ②Large temperature c...

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  • Online detecting method and device for high precision liquid ethanol concentration
  • Online detecting method and device for high precision liquid ethanol concentration
  • Online detecting method and device for high precision liquid ethanol concentration

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Embodiment Construction

[0033]The structure of a specific embodiment of the present invention is shown in FIG. 1 . The embodiment includes a sensing detection module, a signal adjustment, channel selection and A / D conversion module, an ARM microprocessing system, an LCD display module, a keyboard query module, a communication interface and a monitoring computer. The specific working principle and implementation process of this embodiment are as follows:

[0034] In this embodiment, the gas, temperature, pressure, and humidity sensors are first arranged in the detection object. In order to facilitate installation, an installation room with a stainless steel filter screen window can be made, the sensor is arranged in the room, and then the installation room is fixed on the detection object.

[0035] In this embodiment, the sensing detection signal is shaped and adjusted through the signal adjustment module, and then the signal is transmitted to the ARM micro-processing system through the channel sel...

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Abstract

A method for on-line detecting concentration of high precision liquid state alcohol (LSA) includes using gas transducer to make detection on concentration of gas state alcohol (GSA) and obtaining concentration of GSA quickly and accurately by utilizing multi-scale multidimensional interpolation decoupling means to eliminate out influence on gas transducer from non-measured object for detected signal, calculating concentration of LSA based on gas-liquid balance mechanism and realizing distributed on-line monitor on concentration of LSA in industrial process by utilizing IPv6 communication interface. The device used for realizing said method is also disclosed.

Description

technical field [0001] The invention relates to on-line detection of liquid ethanol concentration, in particular to high-precision on-line detection of liquid ethanol concentration based on IPv6 mode. Background technique [0002] At present, ethanol-related industries have developed rapidly. Accurate detection of liquid ethanol concentration can guide technicians to optimize process parameters, control industrial production costs, and analyze the ethanol content of emissions in order to improve processes and reduce pollution. [0003] The detection of liquid ethanol concentration at home and abroad can be roughly divided into two types: offline measurement and online measurement. The research and application status of related technologies are as follows: [0004] One is that widely used off-line measurements such as titration, distillation, chromatography, etc. are characterized by mature technology, but there are deficiencies such as regular sampling, complicated operation...

Claims

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Application Information

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IPC IPC(8): G01N35/00G01N27/00G06F17/00
Inventor 刘桂雄叶廷东胡长鹏洪晓斌
Owner SOUTH CHINA UNIV OF TECH
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