Digital airborne fuel oil measurement and control system
A technology of fuel measurement and control and oil quantity, which is applied in the general control system, control/regulation system, computer control, etc., and can solve the problem of insufficient peripheral interfaces of the DSP control system, complicated CPU peripheral interface circuits, and expensive measurement system chips, etc. problem, to achieve the effect of volume reduction, low cost, and cost reduction
Inactive Publication Date: 2019-06-07
四川泛华航空仪表电器有限公司
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Abstract
The invention discloses a digital airborne fuel oil measurement and control system which comprises a sensor signal processing circuit, a communication driving circuit, a photoelectric isolation circuit and an oil quantity signaling device. The system is characterized by also comprising a single-chip microcomputer STM32, the single-chip microcomputer STM32 is electrically connected with the sensorsignal processing circuit for processing and calculating the fuel oil temperature, oil quantity and oil consumption and the communication driving circuit communicated with a host computer, the single-chip microcomputer STM32 is connected with a CPLD (Complex Programmable Logic Device) for controlling the input/output digital quantities, and the CPLD is connected with the oil quantity signaling device, for transmitting zero and full adjusting signals and oil exhausting and full signals of the airborne fuel oil, via the photoelectric isolation circuit, and transmits a control valve signal of a fuel pump. Based on STM32 and CPLD combined control configuration, a digital bridge is used to measure the fuel oil, and thus, the size is small, development is simple, the cost is low, and a lot of peripheral interfaces are included.
Application Domain
Measurement devicesComputer control +2
Technology Topic
VIT signalsFuel oil +10
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