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Oxygen supply device for high altitude jumps

An oxygen supply device and oxygen supply technology, applied in the direction of respiratory protection devices, life-saving equipment, fire rescue, etc., can solve the problems of ignition of oxygen supply devices and the influence of oxygen flow rate, etc., to meet the requirements of breathing use and prolong the oxygen supply time Effect

Active Publication Date: 2017-10-03
HUBEI INST OF AEROSPACE CHEMOTECHNOLOGY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the use of chlorate oxygen candles to chemically produce oxygen, the ignition and oxygen flow rate of the oxygen supply device are greatly affected under the low temperature conditions at an altitude of 10,000 meters

Method used

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  • Oxygen supply device for high altitude jumps
  • Oxygen supply device for high altitude jumps
  • Oxygen supply device for high altitude jumps

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Experimental program
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Effect test

Embodiment Construction

[0035] figure 1 Among them, the inlet of the oxygen regulator is connected with the oxygen output joint 9 of the pressure reducing valve group 7 through the metal hose 4, and the outlet is connected with the oxygen hose of the oxygen mask 13 to form a complete parachuting oxygen supply device.

[0036] The double-connected gas cylinder 1 includes two gas cylinders fixed in one body by a clamp 3 . The double gas cylinder 1 is installed in a cloth bag and fixed under the armpit on the right side of the person's body. When in use, the oxygen supply switch of the oxygen supply device is turned on. The oxygen in the double gas cylinder is decompressed by the pressure reducing valve group and enters the oxygen regulator. Among them, the oxygen regulator automatically adjusts the flow of oxygen and the amount of outside air introduced according to the change of the outside atmospheric pressure. The mixed gas goes into the oxygen masks used by skydivers.

[0037] The appearance size...

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Abstract

Provided is an oxygen supply device for high altitude jumps. A gas outlet of a gas storage device is connected with an air inlet of a pressure reducing valve set; an air outlet of the pressure reducing valve set is connected with an oxygen inlet of an oxygen regulator; an air supply outlet of the oxygen regulator is connected with an oxygen mask; an oxygen filling valve is arranged at one end of a main body of the pressure reducing valve set, and an air release valve is arranged at the other end of the main body of the pressure reducing valve set; a pressure reducing valve and a pressure gauge are arranged in the middle of the main body of the pressure reducing valve set; a safety valve is arranged at the position, close to the air outlet, of the main body of the pressure reducing valve set; the oxygen regulator comprises a valve body; the valve body is provided with an oxygen inlet, an oxygen regulation cavity, an air inlet, an air supply outlet, an air cavity, an oxygen inlet channel and an oxygen outlet channel, the air inlet communicates with the air supply outlet through the air cavity, the oxygen inlet communicates with the oxygen regulation cavity through the oxygen inlet channel, and the oxygen regulation cavity communicates with the air cavity through the oxygen outlet channel; an oxygen flow regulation module B is arranged in the oxygen regulation cavity; an air flow regulation module C is arranged at the air inlet. The volume and weight of the oxygen supply device are smaller than those of an existing oxygen supply device with the same oxygen supply time, and the oxygen supply device is less influenced by low temperature, is long in oxygen supply time and meets the use requirements of parachuting personnel for respiration.

Description

technical field [0001] The invention relates to a high-altitude parachute oxygen supply device, which belongs to the technical field of high-altitude oxygen supply. Background technique [0002] In recent years, in order to strengthen the protection of paratroopers, reduce non-combat attrition, and improve their combat capabilities, armies of various countries have required paratroopers to be equipped with paratrooper oxygen supply protection equipment. Paratroopers are exposed to high altitudes of 9,000 to 10,000 meters by plane, and are affected by low pressure, hypoxia and low temperature, which seriously affect the combat capability of airborne troops. Parachute jumping must first consider the hypoxic protection of high-altitude exposure and the prevention of high-altitude decompression sickness, followed by head and face protection and low temperature protection. The protection against high-altitude hypoxia is firstly that the oxygen supply concentration should be able...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A62B7/02A62B9/02A62B18/02
CPCA62B7/02A62B9/02A62B18/02
Inventor 夏强邓康清崔兵彦李俊彬徐浩星居喜国刘红周渝松陈淑娟杜又新
Owner HUBEI INST OF AEROSPACE CHEMOTECHNOLOGY
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