Oxygen concentration adjusting device and method thereof
A technology for adjusting device and oxygen concentration, applied in the direction of respirator, etc., can solve the problems of complex control algorithm, high cost, large flow rate of proportional valve, etc., and achieve the effect of simple control algorithm
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[0031] The following will discuss in detail how to create and use the existing preferred embodiments. However, it should be understood that the present invention provides many applicable innovative concepts, which can be implemented through various specific contents. The specific embodiments discussed herein are only used to illustrate the specific methods for producing and using the present invention, and are not used to limit the scope of the present invention.
[0032] Fig. 1 shows the principle diagram of the oxygen concentration adjusting device according to the present invention. The oxygen concentration adjustment device includes: a pressure stabilizing valve 1; a cylinder 2, where oxygen and air are mixed in the cylinder 2, an oxygen feed pipe 3, and the pressure stabilizing valve 1 is connected to the cylinder 2 by an oxygen feed pipe 3; The supply pipe 6 is connected to the cylinder 2; the air-oxygen mixed gas discharge pipe 10, one end of the mixed gas discharge pipe 10...
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