Multiport impedance model construction method based on living body electric shock impedance parameter calculation

A technology of impedance parameters and impedance models, which is applied in calculation, electrical digital data processing, special data processing applications, etc., and can solve problems such as inability to meet accuracy requirements

Active Publication Date: 2016-09-21
CHINA AGRI UNIV
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Problems solved by technology

The current electric shock circuit model of living organisms is usually constructed by constant impedance elements, its scope of application has cer

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  • Multiport impedance model construction method based on living body electric shock impedance parameter calculation
  • Multiport impedance model construction method based on living body electric shock impedance parameter calculation
  • Multiport impedance model construction method based on living body electric shock impedance parameter calculation

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Embodiment Construction

[0049]In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is only some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0050] figure 1 It shows a schematic flow chart of a method for constructing a multi-port impedance model based on the calculation of biological contact impedance parameters provided by an embodiment of the present invention, as shown in figure 1 As shown, the multi-port impedance model construction method based on the calculation of biological co...

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Abstract

The invention provides a multiport impedance model construction method based on living body electric shock impedance parameter calculation. The multiport impedance model construction method comprises the following steps: collecting multiple groups of low-voltage power distribution network living body electric shock signals of a living body test object under situations of complete skin and broken skin; according to the living body electric shock signals, obtaining a living body electric shock impedance parameter; according to the living body electric shock impedance parameter, utilizing a nonlinear time varying resistor and a capacitor element to establish a test living body electric shock impedance circuit model, and describing the transient state transition process of the living body electric shock; and according to the living body electric shock impedance circuit model, on the basis of an extrapolation method, obtaining the multiport impedance model of the living body electric shock. The method can calculate the living body electric shock impedance parameter and establish the multiport impedance model, which has high response accuracy, of the living body electric shock, and realizes the precise description of the transient state transition process of the living body electric shock under the power frequency situation of the low-voltage power distribution network.

Description

technical field [0001] The invention relates to the technical field of electrical engineering, in particular to a method for constructing a multi-port impedance model based on the calculation of biological contact impedance parameters. Background technique [0002] Electric shock accidents are relatively common vicious accidents. At present, the simulation of electric shock phenomenon lacks the research and description of the electric shock impedance model of organisms. In the low-voltage distribution network, the direct physical factor considered in the electric shock accident is the power frequency electric shock current flowing through the organism, and the amplitude of the electric shock current is directly affected by the electric shock impedance of the organism. When an electric shock accident occurs, the organism can be equivalent to a circuit combination. Usually, two impedances are used to describe the electric shock path impedance: internal impedance and contact s...

Claims

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Application Information

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IPC IPC(8): G06F17/50
CPCG06F30/367
Inventor 杜松怀刘官耕韩晓慧苏娟
Owner CHINA AGRI UNIV
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