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Electronic active simulation lung

A lung-simulating, electronic technology, used in teaching models, educational appliances, instruments, etc., can solve problems such as inability to supply air flow, continuous changes, and inability to simulate the respiratory impedance of the human respiratory system.

Pending Publication Date: 2022-01-11
BEIHANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The currently widely used mechanical simulated lung is driven by a crank-connecting rod structure. Due to its simple structure and single mode, it cannot simulate the respiratory impedance of the human respiratory system itself, and cannot continuously change parameters such as air supply flow and pressure. Disadvantages such as single flow mode adjustability

Method used

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  • Electronic active simulation lung
  • Electronic active simulation lung
  • Electronic active simulation lung

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] The human respiratory waveform is an irregular waveform, and a square wave, triangular wave or sine wave is usually used to simulate the respiratory waveform. Both the bidirectional flowmeter and the pressure sensor are connected to the air port of the cylinder through the corrugated hose, and the information output terminal of the parameter measuring device is connected to the parameter acquisition board and input to the input port of the upper measurement and control computer. The functions of real-time monitoring, observation and data collection and saving of parameters can be completed on the designed program man-machine interface. The drive controller of the power drive part 2 is connected to the upper measurement and control computer 485 communication terminal. The settings are made through the human-computer interaction interface installed on the upper measurement and control computer 7 , and the upper measurement and control computer sends control instructions t...

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PUM

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Abstract

The invention provides an electronic active simulation lung, which is characterized by comprising an air cylinder structure for simulating a human lung accommodating cavity, a power driving structure for simulating human respiratory muscles, a corrugated pipe structure 3 for simulating a human respiratory tract structure, and a measurement and control system comprising a pressure sensor, a two-way respiration flow meter and an upper measurement and control computer, the air outlet of the cylinder structure is connected with the corrugated pipe structure of the simulated respiratory tract. The pressure sensor and the two-way flow meter carry out parameter monitoring on a gas path, and data acquisition and transmission are carried out through a parameter acquisition board card. A control command is sent to a driving controller through the upper computer, and an air cylinder piston is driven to move through a control program.

Description

technical field [0001] The present invention designs a device for simulating human respiration, specifically a device for simulating the respiratory system, which is used to simulate some physiological and physical characteristics of the human body during respiration. Background technique [0002] With the improvement of the performance of fighter jets, the development and research of aviation oxygen supply and protection systems have gradually attracted attention. The oxygen supply regulator is the core adjustment unit and control device in the airborne oxygen supply system. All functions of the oxygen supply system need to be controlled and adjusted by the oxygen supply regulator. The oxygen regulator is the key control core component of the oxygen supply system, which is used to provide a certain flow rate and pressure of pure oxygen or a mixed gas with a certain oxygen concentration to the oxygen mask. According to different environmental pressures and different breath...

Claims

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Application Information

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IPC IPC(8): G09B23/28
CPCG09B23/28
Inventor 曾宇郭辰鑫宫晗汤凯林贵平
Owner BEIHANG UNIV
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