Two-stroke hydrogen-oxygen fuel rotor machine and control strategy thereof

Claims

1. A two-stroke hydrogen-oxygen fuel rotor machine is characterized in that: hydrogen passes through the first hydrogen pressure reducing valve (4), the first hydrogen flowmeter (5), the first flame retardant through the first hydrogen tank (1) in turn. After the valve (8), it enters the combustion chamber from the first hydrogen nozzle (9) installed on the wall of the combustion chamber, and the oxygen stored in the first oxygen tank (2) passes through the first oxygen pressure reducing valve (3), the first oxygen decompression valve (3), the second oxygen gas reducing valve After an oxygen flow meter (6), enters the combustion chamber from a first oxygen nozzle (7) installed on the wall of the combustion chamber, and a first spark plug pressure sensor (10) is installed on the wall of the cylinder to displace the mixture in the combustion chamber. Ignite, expand and do work and then discharge the rotor machine through the first exhaust port (18); the second hydrogen nozzle (16) and the second oxygen nozzle (14) are symmetrically installed on the cylinder wall on the other side, and the second hydrogen tank ( The hydrogen in 24) is sprayed into the combustion chamber through the second hydrogen nozzle (16) after passing through the second hydrogen pressure reducing valve (21), the second hydrogen flow meter (19) and the second flame retardant valve (15), and is stored in the combustion chamber. The oxygen in the second oxygen tank (23) enters the combustion chamber from the second oxygen nozzle (14) installed on the wall of the combustion chamber after passing through the second oxygen pressure reducing valve (22) and the second oxygen flow meter (20) in sequence , the second spark plug pressure sensor (17) is symmetrically installed on the cylinder wall, ignites the mixture to expand and does work, and the water vapor after combustion is discharged from the combustion chamber through the second exhaust port (12); the electronic control unit (11) controls the entire The working process of the two-stroke rotor machine is controlled.

2. the method for applying the two-stroke hydrogen-oxygen fuel rotor machine as claimed in claim 1 is characterized in that: there are two sets of hydrogen, oxygen injection systems and ignition systems on the rotor machine wall surface, and the two sets of systems are all about the rotor machine eccentric shaft The center is symmetrical. After the hydrogen and oxygen are directly injected into the combustion chamber, they are rapidly mixed and ignited, and after the combustion is done, they are discharged from the exhaust port of the rotor machine; After the two-stroke hydrogen-oxygen fuel rotor engine works, the electronic control unit (11) receives the signal from the eccentric shaft position sensor. At this time, the second exhaust port (12) has been closed, and the electronic control unit (11) sends a signal to the first hydrogen flowmeter (5) and the first oxygen flowmeter (6) to control the injection of hydrogen into the combustion chamber, The amount of oxygen in the combustion chamber is kept at a volume ratio of 2:1. When the rotor in the combustion chamber communicated with the first spark plug pressure sensor (10) is at the top dead center, the electronic control unit (11) sends the A spark plug pressure sensor (10) sends an ignition signal to ignite the hydrogen and oxygen mixture in the combustion chamber, the mixture expands after combustion and pushes the rotor to rotate, and the eccentric shaft outputs torque outward; when the rotor turns to the first exhaust port ( 18), the water vapor generated by the combustion of the hydrogen and oxygen mixture is discharged from the rotor machine through the first exhaust port (18); When the rotor is located 15 degrees before top dead center, the first exhaust port (18) is closed, and the electronic control unit (11) sends a signal to the second hydrogen flowmeter (19) and the second oxygen flowmeter (20) , control the amount of hydrogen and oxygen injected into the combustion chamber, and keep the volume ratio of hydrogen and oxygen entering the combustion chamber at 2:1. When the rotor in the combustion chamber communicated with the second spark plug pressure sensor (17) is at the top dead center, The electronic control unit (11) sends an ignition signal to the second spark plug pressure sensor (17) to ignite the hydrogen and oxygen mixture in the combustion chamber. After the mixture is combusted, it expands rapidly and pushes the rotor to rotate, and the eccentric shaft outputs torque outwards; When the rotor turns to the second exhaust port (12) and opens, the water vapor generated by the combustion of the hydrogen and oxygen mixture is discharged from the rotor machine through the second exhaust port (12); The electronic control unit (11), according to the pressure signals of the first spark plug pressure sensor (10) and the second spark plug pressure sensor (17), adjusts the first hydrogen gas by adjusting the pressure rise rate during the combustion process >0.5MPa/degree The flowmeter (5) and the second hydrogen flowmeter (19) and the first oxygen flowmeter (6) and the second oxygen flowmeter (20) reduce the injection amount of hydrogen and oxygen; when the pressure rise rate during the combustion process <0.4MPa/degree, by adjusting the first hydrogen flowmeter (5) and the second hydrogen flowmeter (19) and the first oxygen flowmeter (6) and the second oxygen flowmeter (20), the difference between hydrogen and oxygen is increased. Injection amount; when the pressure rise rate during the combustion process is ≥0.4 and ≤0.5MPa/degree, keep the hydrogen and oxygen supply under this condition.