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Moisture content detecting, controlling and monitoring system

A detection system and content technology, applied in the field of terahertz detection, can solve problems such as low signal-to-noise ratio and stability, and can not meet market demand.

Pending Publication Date: 2017-01-25
深圳市华讯方舟光电技术有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, with the rapid development of industrialization, the detection speed of a few minutes can no longer meet the market demand, and online real-time moisture content detection is the main development trend of the market
Some indirect measurement methods currently provide online moisture detection, such as microwave resonance and near-infrared spectroscopy, but with low signal-to-noise ratio and stability

Method used

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  • Moisture content detecting, controlling and monitoring system
  • Moisture content detecting, controlling and monitoring system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] see figure 1 Shown is a schematic diagram of the composition and structure of the moisture content detection system in Embodiment 1 of the present invention. Such as figure 1 As shown, the moisture content detection system according to Embodiment 1 of the present invention includes a moisture meter system component 10, a lens component 11, and a signal analysis component 12. The moisture meter system component 10 includes a light source component 101 and terahertz radiation components respectively connected to the light source component 101. 102 , a first terahertz detector 103 and a second terahertz detector 104 , and the signal analysis component 12 includes a bias signal generator 121 and a signal processing device 122 .

[0032] The lens assembly 11 is arranged between the terahertz radiator 102, the first terahertz detector 103 and the second terahertz detector 104, the terahertz radiator 102 is connected to the bias signal generator 121; the first terahertz detec...

Embodiment 2

[0061] According to the moisture content detection system of the first embodiment above, the present invention also provides a moisture content control system. Such as Image 6As shown, the moisture content monitoring system of the second embodiment includes a microcomputer 21 and the moisture content detection system 20 of any one of the above-mentioned embodiments, the microcomputer 21 is connected with the signal processing device 201 of the moisture content detection system 20, and the microcomputer 21 can also be connected to the assembly line equipment22.

[0062] The signal processing device 201 is used to feed back the detected water content value of the sample to be tested to the microcomputer;

[0063] The microcomputer 21 is used to compare the moisture content value with the preset moisture content threshold value to obtain a comparison result, judge whether the sample to be tested needs to be further dehydrated according to the comparison result, and obtain a jud...

Embodiment 3

[0069] According to the moisture content detection system of the first embodiment above, the present invention also provides a moisture content monitoring system. Such as Figure 8 As shown, the moisture content monitoring system of the third embodiment includes a data storage server 31 and the moisture content detection system described in any one of the above embodiments, and the data storage server 31 is connected to the signal processing device 301 of the moisture content detection system 30 . Here, the data storage server 31 may be a cloud storage. The signal processing device 301 uploads the monitored moisture content values ​​at various moments to the data storage server 31 in real time, and the storage server 31 can generate a real-time moisture content change curve based on the received moisture content values.

[0070] With the solution of this embodiment, the manager of the assembly line can use various terminal programs, such as computer software, mobile phone app...

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Abstract

The invention relates to a moisture content detecting, controlling and monitoring system. The moisture content detecting system comprises a moisture meter system assembly, a lens assembly and a signal analysis assembly, wherein the moisture meter system assembly comprises a light source assembly, a terahertz radiator, a first terahertz detector and a second terahertz detector; the signal analysis assembly comprises a bias signal generator and a signal processing device; the light source assembly is used for generating a laser beat-frequency light beam and splitting the beam to the terahertz radiator, the first terahertz detector and the second terahertz detector; one part of a terahertz signal radiated by the terahertz radiator is returned to the first terahertz detector through the lens assembly, the other part of the terahertz signal is returned to the second terahertz detector through the lens assembly and a to-be-detected sample; and a reference electric signal obtained by the first terahertz detector and a sample electric signal obtained by the second terahertz detector are input into a signal processing device to carry out moisture content on the to-be-detected sample. With the adoption of the scheme, the moisture content detecting system can be used for carrying out moisture content detection accurately in real time, is relatively high in signal to noise ratio and is relatively high in stability.

Description

technical field [0001] The invention relates to the technical field of terahertz detection, in particular to a water content detection, control and monitoring system. Background technique [0002] In industrial production, moisture content is a key factor determining product quality. It not only affects the physical and chemical properties of the product, such as weight, density, viscosity, refractive index, water activity, electrical conductivity, etc., but also affects the processing performance of the product. Commercialization requirements, legality, etc. The moisture content detection system can not only control and analyze in industrial production, but also measure product quality. With the development of increasingly strict quality inspection, the detection of moisture content has become an important indicator to measure product quality, and has been widely used in medicine, Food, tobacco, paper, plastic, textile and other industries. [0003] The moisture content d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/3586
CPCG01N21/3586G01N21/3581G01N21/3554G01N2021/8416
Inventor 李辰丁庆
Owner 深圳市华讯方舟光电技术有限公司
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