Active testing system for dynamic performance of low-oxygen endurance capability

Abstract

The invention discloses a dynamic performance active test system for hypoxia endurance capacity, which is characterized in that a gas generation unit is communicated with a hypoxia gas path unit and an electromagnetic valve through a first pressure reducing valve, the hypoxia gas path unit is communicated with a second pressure reducing valve through the electromagnetic valve, the second pressure reducing valve is communicated with a breathing mask, and the breathing mask is communicated with the gas generation unit. A blood pressure sensor and a blood oxygen sensor of the physiological detection unit are both connected with the digital integrated calculation and control unit, a first flow sensor is arranged between the low-oxygen gas path unit and the electromagnetic valve, and a second flow sensor is arranged between the second pressure reducing valve and the breathing mask. According to the active testing system for the dynamic performance of the low-oxygen endurance capacity, the incremental PID control is adopted, the gas flow is adopted as the control quantity, the flow ratio of the low-oxygen gas path to the air gas path is adjusted, and the oxygen content of the output gas is controlled.

Description

technical field [0001] The invention relates to the technical field of hypoxia control systems, in particular to an active testing system for the dynamic performance of hypoxia tolerance. Background technique [0002] The average altitude of the Qinghai-Tibet Plateau is more than 4,000 meters. Due to the high terrain, the air is thin and the oxygen content is insufficient. Foreign aid workers are prone to altitude sickness, which seriously hinders their daily work. [0003] The hypoxia system is used to simulate the plateau environment characterized by hypoxia. By stimulating the trainee's kidneys to release erythropoietin, the hemoglobin concentration and oxygen-carrying capacity are increased, thereby improving the utilization rate of oxygen and the lactic acid resistance of human tissues. Using a hypoxic system in the plain area to simulate a hypoxic environment for training can effectively improve the human body's tolerance to the hypoxic environment. , coronary heart d...

AI Technical Summary

Problems solved by technology

[0004] The current artificial hypoxic environment training evaluation system is basically an open loop, lacking a complete physiological detection device as auxiliary feedback, not only unable to fully reveal the real-time status of the trainers' cardiopulmonary system, but also difficult to establish a unified standard training system, and it is difficult to distinguish between trainers Whether it meets the requirements of plateau operation

On the other hand, the current control system is large in size, not easy to be portable, the control process is cumbersome and has low precision, and it does not have environmental universality, which is limited in practical applications.

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