High-precision rapid measurement method for dielectric property of liquid material and auxiliary device
A technology for dielectric properties and auxiliary devices, which is applied in the field of high-precision and rapid measurement of dielectric properties of liquid materials, can solve the problems of increasing experimental complexity, high cost, and disadvantageous rapid detection of liquid materials, and achieves improved dielectric properties measurement repeatability, The effect of reducing experimental cost and low cost
Pending Publication Date: 2022-05-20
NORTHWEST A & F UNIV
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However, homogenization and heating pretreatment increase the complexity of the experiment, and homogenization requires an expensive homogenizer, which is not conducive to the rapid detection of liquid materials
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[0035]The present invention will be further described below in conjunction with a preferred embodiment and accompanying drawings:
[0036] The present embodiment uses E5071C vector network analyzer 19 and 85070E type coaxial probe 17 to collect liquid materials by dielectric spectrometry, fresh milk as a typical heterogeneous liquid material, measuring the specification of 10 mL beaker 1. Fresh milk is a kind of multi-phase mixed and dispersed system, and there is dynamic floating and aggregation of large particles such as fat balls, and the particle size distribution is complex, with strong heterogeneous characteristics. The high-precision and rapid measurement method of fresh milk based on dielectric spectroscopy is a difficult problem. In the present embodiment, the fresh cow milk sample was collected from cows raised in two different dairy farms in Yangling District, Shaanxi Province.
[0037] The specific implementation structure of a high-precision rapid measurement auxiliar...
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The invention discloses a high-precision rapid measurement method for dielectric properties of a liquid material and an auxiliary device, and belongs to the technical field of component detection. The technical problem to be solved is to provide a high-precision rapid measurement method for dielectric properties of a liquid material and an auxiliary device. The to-be-measured sample is in a stable flow state through rotation of the beaker, so that the repeatability and precision of dielectric property measurement are improved, and the sample is convenient to replace in the experiment process through the auxiliary device, so that high-precision rapid measurement is realized. The auxiliary device at least comprises a rotating mechanism, a lifting mechanism, a sample changing mechanism and a shell. The method and the device disclosed by the invention are suitable for the dielectric property measurement process of various liquid materials based on a dielectric spectrum technology, are favorable for improving the repeatability and the precision of dielectric property measurement, are convenient to operate and low in cost, and provide an auxiliary measurement device for a laboratory table-type instrument.
Description
Technical field [0001] The present invention discloses a high-precision rapid measurement method and auxiliary device for the dielectric characteristics of liquid materials, involving the field of component detection technology, in particular the high-precision rapid measurement of the dielectric characteristics of liquid materials. Background [0002] Liquid materials such as fresh milk and fruit juice often have the characteristics of uneven composition distribution, which poses a challenge to the high-precision and rapid detection of their quality. Traditional chemical detection methods have the disadvantages of time-consuming, laborious and high cost, which is not conducive to rapid detection; modern analytical methods such as spectroscopy technology are susceptible to the scattering of large particles in liquid materials, and it is difficult to achieve high-precision measurements. As an emerging detection technology, dielectric spectroscopy technology has the advantages of f...
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IPC IPC(8): G01R27/26G01R1/02G01R1/04
CPCG01R27/2617G01R1/02G01R27/2623G01R1/04
Inventor 朱新华安长青方东根杨可朱杰亮郭文川
Owner NORTHWEST A & F UNIV