Two flowmeter oxygen concentrator plants share the definition of proportional valve

　　Proportional valve is a new type of hydraulic control device. On ordinary pressure valves, flow valves and directional valves, proportional electromagnets are used to replace the original control part, and the pressure, flow or direction of oil flow can be controlled continuously and proportionally according to the input electrical signal. Proportional valves generally have pressure compensation performance, and the output pressure and flow can not be affected by load changes.

　　The structure of the pressure regulating valve of two flowmeter oxygen concentrator

　　The pressure regulating valve of the two flowmeter oxygen concentrator is similar to a switch. The pressure regulating valve is attached to the oxygen storage tank. The function of the pressure regulating valve is to stabilize the pressure value of the oxygen outlet.

　　If the flow of the two flowmeter oxygen concentrator is reduced, will the pressure regulating valve change the pressure value? The pressure regulating valve is only responsible for the oxygen outlet pressure of the oxygen storage tank, not the oxygen outlet pressure of the flow meter.

　　The flowmeters of the two flowmeter oxygen concentrator adjust the secondary pressure, and on the surface it adjusts the size of the oxygen flow. There is also a function. If the pressure regulating valve fails, the flowmeter can play a buffer role to prevent the patient from inhaling oxygen. Comfort is reduced due to excessive pressure. Those who use the oxygen generator for atomization know that the pressure removed by the atomization does not pass through the flowmeter, and this pressure is much larger than the normal oxygen outlet. It is definitely inappropriate to use this pressure to inhale oxygen.