Fuel quantity indicating system and method
A technology of fuel oil and oil quantity, applied in the electronic field, can solve the problems of not being applicable to complex and changeable electromagnetic environment on board, narrow application range, cumbersome operation, etc., and achieve the effect of convenient implementation, low cost and strong operability
Inactive Publication Date: 2015-09-23
R&D INST OF CHINA AVIATION IND GENERAL AIRCRAFT
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Problems solved by technology
[0005] When there is system-level electromagnetic compatibility in the general aircraft system design circuit, the frequency of the controller, the characteristics of the transmission cable, the shielding characteristics of the cable, the grounding form of the cable, and the wiring form of the cable are usually used to solve the problem of electromagnetic interference. problems, and these methods are only solutions for specific circuits and specific environments, with narrow scope of use, cumbersome operation and high cost, and are not suitable for complex and changeable electromagnetic environments on board
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[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0020] see figure 1 , is a structural schematic view of an embodiment of the fuel quantity indicating system provided by the present invention.
[0021] An embodiment of the present invention provides a fuel quantity indicating system, which includes a fuel quantity sensor 11 , a fuel computer 12 and a display 13 . details as follows:
[0022] The fuel quantity sensor 11 is used to measure the fuel quantity of the aircraft in real time, and transmits the fuel qua...
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The invention discloses fuel quantity indication system and method. The system comprises a fuel quantity sensor and a fuel computer. The fuel quantity sensor is used for measuring fuel quantity of an airplane in real time and transmitting a fuel quantity signal to the fuel computer. The fuel computer is used for calculating according to the fuel signal to obtain fuel quantity data and outputting the fuel quantity data to a display for real-time displaying. The fuel computer is further used for pausing receiving of the fuel quantity signal from the fuel quantity sensor when monitoring that a vehicular external communication system starts transceiving voice, keeping unchanged fuel quantity data displayed on the display, restoring receiving of the fuel quantity signal from the fuel quantity sensor until monitoring that the vehicular external communication system stops transceiving the voice, and updating the fuel quantity data on the display. The fuel quantity indication system and method have the advantages that adverse effect upon airplane fuel quantity indication by electromagnetic interference generated by the vehicular external communication system can be shielded and fuel quantity indication is more stable and stable.
Description
technical field [0001] The invention relates to the field of electronic technology, in particular to a fuel quantity indicating system and method. Background technique [0002] A modern aircraft external communication system generally consists of a headset, a press / push-to-talk switch (Press / Push-To-Talk, PTT switch for short), an audio control panel, a radio receiver, a radio transceiver antenna (mainly including short-wave and ultra-short-wave antennas) and Composition of transmission cables. Among them, the headset has the function of collecting and playing the driver's voice, and the PTT switch has the function of controlling the transmission of the driver's voice. When the driver presses the PPT switch and speaks to the outside world, the transceiver antenna of the radio station is in the transmitting state. At this time, strong electromagnetic interference will be generated on the airborne equipment, sensors and signal cables, which will affect the normal realization...
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IPC IPC(8): G01F23/00
Inventor 张瑞平蔡志勇李亚杰许明轩黄平梁红云李登登
Owner R&D INST OF CHINA AVIATION IND GENERAL AIRCRAFT