Pre-detecting method and controlling method for pressure refueling

Abstract

The invention relates to the field of machines, and provides a pre-detecting method and controlling method for pressure refueling. The controlling method comprises the steps that a refueling control switch is placed at the opening position, a fuel oil electric switch is powered on, and at the moment, a refueling indicator light is turned on, and an oil full indicator light is turned off; when the quantity of oil in an oil tank reaches the designed maximum oil charging quantity, an oil level full annunciator sends a signal for cutting off an oil adding pipeline to the fuel oil electric switch, and when the oil adding pipeline is cut off, the oil full indicator light is turned on; if the oil adding pipeline is not cut off through the signal for cutting off the oil adding pipeline, the oil level in the oil tank will continue to rise to reach the warning oil level, a warning oil level annunciator sends a signal for cutting the oil adding pipeline again to the fuel oil electric switch, the oil adding pipeline is cut off, and meanwhile a warning light on a control board is turned on to remind that an oil adding system has a fault. The pre-detecting method and controlling method can detect whether the functions of the indicator lights and the control switch of the system are normal or not before airplane pressure refueling, the risks of airplane tests can be reduced, and the success rate of the airplane tests is improved.

Description

technical field [0001] The invention relates to the field of machinery, in particular to a pre-detection method and control method for pressure refueling. Background technique [0002] Pressure refueling is a refueling technology that connects the aircraft pressure refueling connector to the refueling vehicle, and relies on the refueling pressure generated by the refueling vehicle to quickly fill the aircraft fuel tank with fuel. Due to the relatively backward aviation technology in our country, there are few models independently developed in my country, and the technical level is relatively backward. Only a small number of models are equipped with pressure refueling systems. The control method of the system is still an early control technology, and there is no pre-detection control. function, it is not easy to be found when the system fails. Although the refueling speed of the pressure refueling system is fast, the risk of pressure refueling is relatively high. Once the sys...

AI Technical Summary

Problems solved by technology

Due to the relatively backward aviation technology in our country, there are few models independently developed in my country, and the technical level is relatively backward. Only a small number of models are equipped with pressure refueling systems. The control method of the system is still an early control technology, and there is no pre-detection control. function, it is not easy to be found when the system fails

Although the refueling speed of the pressure refueling system is fast, the risk of pressure refueling is relatively high. Once the system fails and the fuel tank is over-pressurized, the fuel tank will rupture due to excessive pressure

In the past, our factory designed a pressure refueling system for a certain type of aircraft. Due to the lack of pre-detection control function, the system failure was not found. If the pressure refueling system is installed, if there is no pre-detection and control function for the system failure function in the design, the safety will be reduced, and it is easy to cause damage to the aircraft and even cause danger

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