Oxygen concentration control device of intelligent type breathing machine
A control device and ventilator technology, applied in the field of ventilators, can solve the problems of loud noise, patient injury, patient poisoning and death, etc., and achieve the effects of reducing noise and power consumption, prolonging service life, and improving safety performance.
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[0010] The present invention will be further described below in conjunction with the drawings and embodiments.
[0011] figure 1 An intelligent oxygen concentration control device for a ventilator as shown in, one way of oxygen passes through the filter 1, the stabilizing valve 2, the air source pressure sensor 3, the one-way valve 4, the proportional regulating valve 5, and the flow sensor 6 to output oxygen; The air compressed by the air compressor passes through the filter 11, the stabilizer valve 21, the air source pressure sensor 31, the switching solenoid valve 7, the one-way valve 41, the proportional regulating valve 51, the Venturi device 8, and the flow sensor 61 to output air. , The output oxygen and air are mixed and delivered to the patient. The oxygen channel is also connected to the switching solenoid valve 7. The switching solenoid valve 7 is connected to the air path behind the filter 1 on the oxygen channel and the regulator valve 2, and the intake end of the Ve...
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