Mixed working medium for passenger escape rapid ejection inflation system
A technology of mixed working fluid and inflatable system, applied in the fields of navigation, fire emergency escape, and aviation, it can solve problems such as difficulty in meeting international general standards, increase in size and weight of life-saving equipment, and elimination.
Active Publication Date: 2021-03-30
BEIHANG UNIV +2
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Problems solved by technology
[0002] For the inflation of life-saving equipment such as life-saving airbags and lifeboats, when it is necessary to inflate for life-saving in a crisis situation, one of the methods used in the past is to use a chemical method to make two substances react, and a large amount of gas is instantly generated to fill the life-saving equipment. This method is gradually eliminated because the reactants often have safety problems due to long-term storage, which leads to low reliability of life-saving equipment.
[0003] Later, people developed a life-saving method of using compressed gas to inflate the life-saving equipment. However, because the life-saving equipment itself is often bulky and requires a large amount of air source to inflate it, if only relying on compressed gas to complete the life-saving function, it is required to be packed The volume and weight of compressed gas cylinders will increase accordingly, resulting in a corresponding increase in the size and weight of life-saving equipment, making it difficult to meet international general standards
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[0022] In order to make the purpose, technical solution and advantages of the present invention clearer, the following will further describe the implementation of the present invention in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.
[0023] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, or in a specific orientation. construction and...
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The invention provides a mixing working medium for an ejector of an ejecting inflation system. The mixing working medium is characterized by comprising N2 and CO2. Therefore, by means of adopting N2 and CO2 mixed gas as the mixing working medium for the ejector of the ejecting inflation system, the inflation efficiency of the life-saving inflation process is increased, the rapid inflation can be realized, the weight of required compressed gas can also be reduced, and the size and the weight of life-saving equipment are reduced.
Description
technical field [0001] The invention belongs to the fields of aviation, navigation, and fire emergency escape, and particularly relates to a mixed working fluid for a passenger escape rapid ejection inflation system. Background technique [0002] For the inflation of life-saving equipment such as life-saving airbags and lifeboats, when it is necessary to inflate for life-saving in a crisis situation, one of the methods used in the past is to use a chemical method to make two substances react, and a large amount of gas is instantly generated to fill the life-saving equipment. This method is gradually eliminated because the reactants often have safety problems due to long-term storage, which leads to low reliability of life-saving equipment. [0003] Later, people developed a life-saving method of using compressed gas to inflate the life-saving equipment. However, because the life-saving equipment itself is often bulky and requires a large amount of air source to inflate it, i...
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IPC IPC(8): B63C9/18B64D11/00
CPCB63C9/18B64D11/00Y02T50/40
Inventor 邱义芬梅志光朱松涛
Owner BEIHANG UNIV