CN111348219A - A detection device and method for residual oil output from a portable aircraft fuel system - Google Patents

Abstract

The invention discloses a detection device and method for the output residual oil quantity of a portable aircraft fuel system, and relates to the technical field of aircraft fuel quantity detection. The device of the present invention includes a portable industrial computer, the USB port of the portable industrial computer is connected to an ARINC429-USB board through a USB cable, the side of the ARINC429-USB board is plugged and connected to a board connector, and the board connector passes The data cable is connected with an adapter plug, and the adapter plug is connected with the detection plug of the fuel system of the aircraft, and is used to collect the ARINC429 signal of the remaining fuel quantity of the aircraft. The invention realizes the test automation of the remaining fuel quantity of the aircraft, the full monitoring of the whole test process, the automatic identification of faults, and at the same time, it can be used for the detection and fault judgment of on-board signals, and the installation and disassembly are convenient and quick, and it is easy to carry.

Description

A detection device and method for residual oil output from a portable aircraft fuel system

technical field

The invention belongs to the technical field of aircraft fuel quantity detection, in particular to a portable aircraft fuel system output residual fuel quantity detection device and a portable aircraft fuel system output residual fuel quantity detection method.

Background technique

The remaining fuel in the aircraft fuel system is sent to other cross-linked systems such as the driving navigation control system in the form of ARINC429 signals.

The existing detection method is that after the components in the system are connected, the ARINC429 signal indicating the remaining oil is reflected by the detection equipment in the form of 32 lights on and off, on which means 1, and off means 0, and then the remaining oil is calculated by the weight value. quantity.

(1) This method requires the tester to pay attention to the signal display state during the whole process for a long time, and has a high sensitivity to the light on and off. At the same time, this method cannot accurately capture the transition and loss of the signal in time.

(2) At present, there is no portable residual fuel detection equipment on the aircraft. If the cross-linking system reports a fault, the personnel cannot accurately judge whether the fuel system is faulty only based on the indication of the instrument.

Therefore, in view of the above problems, it is of practical significance to provide a detection device and method for the output residual oil amount of a portable aircraft fuel system.

SUMMARY OF THE INVENTION

The present invention provides a portable aircraft fuel system output residual fuel quantity detection device and method, which realizes the test automation of the aircraft residual fuel quantity, the full monitoring of the whole test process, the automatic fault identification, and can be used for on-board signal detection and fault judgment at the same time. Easy to install and disassemble, easy to carry.

In order to solve the above-mentioned technical problems, the present invention is achieved through the following technical solutions:

A portable aircraft fuel system output residual oil detection device of the present invention includes a portable industrial computer, the USB port of the portable industrial computer is connected to an ARINC429-USB board through a USB cable, and the ARINC429-USB board is A board connector is plugged on the side of the board, and an adapter plug is connected to the board connector through a data cable. The adapter plug is connected to the detection plug of the fuel system of the aircraft and is used to collect the remaining ARINC429 signal for oil quantity.

Further, the ARINC429-USB board is used to encode the collected ARINC429 signal in a certain format and output it in a USB data format.

Further, the format includes RZ encoding, NRZ encoding, and NRZI encoding.

Further, the USB cable is used to connect the ARINC429-USB board with the portable industrial computer, and transmit the USB format data to the portable industrial computer.

Further, the portable industrial computer is used for processing, displaying and saving the collected data.

A method for detecting residual oil output from a portable aircraft fuel system, comprising the following steps:

S01. ARINC429 signal acquisition: connect the board connector, ARINC429-USB board and USB cable, connect the adapter plug connected with the board connector to the detection plug of the aircraft fuel system, and turn on the working power;

S02. Convert the ARINC429 bus to a USB bus: connect the board connector to the ARINC429-USB board, use a USB cable to connect the portable industrial computer and the ARINC429-USB board, click the test interface to open the ARINC429-USB board, and connect the Convert ARINC429 bus signal into USB bus signal;

S03. Receive and convert the USB bus data in real time into a coordinate system for display: click the button to receive data on the test interface, complete the data calculation, calculate the data into physical quantities, establish coordinates according to the calculated physical quantity data, and obtain the , The average data after establishment and calculation are displayed on the coordinates, the horizontal axis is the time, the vertical axis is the remaining fuel mass, and the curve in the coordinates represents the change of the remaining fuel with time.

S06, save the test picture: after the test is completed, the test picture is automatically saved.

The present invention has the following beneficial effects:

The invention realizes the whole process monitoring of the test signal, and displays and saves the output signal in the form of a graph. Compared with the original detection method, the invention has a higher degree of automation and stronger fault identification ability, and the detection device is easy to carry. The signal of the remaining fuel quantity of the aircraft is detected on the plane, which is convenient for fault analysis and judgment, convenient and quick installation and disassembly, and easy to carry.

Of course, it is not necessary for any product embodying the present invention to achieve all of the above-described advantages simultaneously.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

Fig. 1 is the structural representation of the detection device of a kind of portable aircraft fuel system output residual oil quantity of the present invention;

Fig. 2 is the step diagram of the detection method of a kind of portable aircraft fuel system output residual oil quantity of the present invention;

3 is a schematic diagram of a coordinate system display screen;

In the accompanying drawings, the list of components represented by each number is as follows:

1- transfer plug, 2- board connector, 3- ARINC429-USB board, 4- USB cable, 5- portable industrial computer, A- drop zero point, B- trip point.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms "side" and the like indicate an orientation or positional relationship, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred component or element must have a specific The orientation, constructed and operated in a particular orientation, is therefore not to be construed as a limitation of the present invention.

Referring to FIG. 1 , a portable aircraft fuel system output residual oil detection device of the present invention includes a portable industrial computer 5 , and the USB port of the portable industrial computer 5 is connected to an ARINC429-USB board through a USB cable 4 . 3. A board connector 2 is connected to the side of the ARINC429-USB board 3. The board connector 2 is connected to an adapter plug 1 through a data cable. The adapter plug 1 is connected to the detection plug of the aircraft's fuel system. Connected to the ARINC429 signal used to collect the remaining fuel of the aircraft.

Among them, the ARINC429-USB board is used to encode the collected ARINC429 signal in a certain format and output it in USB data format.

The formats include RZ encoding, NRZ encoding, and NRZI encoding.

Among them, the USB cable 4 is used to connect the ARINC429-USB board 3 with the portable industrial computer 5 , and transmit the USB format data to the portable industrial computer 5 .

Among them, the portable industrial computer 5 is used to process, display and save the collected data.

As shown in Figure 2-3, a method for detecting the residual oil output of a portable aircraft fuel system includes the following steps:

S01, ARINC429 signal acquisition: connect the board connector 2, ARINC429-USB board 3, USB cable 4, connect the adapter plug 1 connected with the board connector 2 to the detection plug of the aircraft fuel system, and open the working power supply;

S02. Convert ARINC429 bus to USB bus: connect board connector 2 to ARINC429-USB board 3, use USB cable 4 to connect portable industrial computer 5 and ARINC429-USB board 3, click on the test interface to open ARINC429- USB board 3, convert ARINC429 bus signal into USB bus signal;

S03. Receive and convert the USB bus data in real time into a coordinate system for display: click the button to receive data on the test interface, complete the data calculation, calculate the data into physical quantities, establish coordinates according to the calculated physical quantity data, and obtain the , The average data after establishment and calculation are displayed on the coordinates, the abscissa is the time, the vertical axis is the remaining fuel mass, the curve in the coordinates represents the change of the remaining fuel with time, and the zero drop of the remaining fuel can be visually judged through the coordinate curve. and jumps.

S06, save the test picture: after the test is completed, the test picture is automatically saved.

The invention realizes the whole process monitoring of the test signal, and displays and saves the output signal in the form of a graph. Compared with the original detection method, the invention has a higher degree of automation and stronger fault identification ability, and the detection device is easy to carry. The aircraft detects the remaining fuel level of the aircraft, which is convenient for fault analysis and judgment. The installation and disassembly are convenient and quick, and it is easy to carry.

The above-disclosed preferred embodiments of the present invention are provided only to help illustrate the present invention. The preferred embodiments do not exhaust all the details, nor do they limit the invention to only the described embodiments. Obviously, many modifications and variations are possible in light of the contents of this specification. These embodiments are selected and described in this specification in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can well understand and utilize the present invention. The present invention is to be limited only by the claims and their full scope and equivalents.

Claims (6)

1. the detection device of a portable aircraft fuel system output residual oil quantity, comprises portable industrial computer (5), it is characterized in that: The USB port of the portable industrial computer (5) is connected to an ARINC429-USB board (3) through a USB cable (4), and a board connector is plugged and connected to the side of the ARINC429-USB board (3). (2), an adapter plug (1) is connected to the board connector (2) through a data cable, and the adapter plug (1) is connected to the detection plug of the fuel system of the aircraft, and is used to collect the data of the aircraft. ARINC429 signal of remaining oil level. 2. the detection device of a kind of portable aircraft fuel system output residual oil quantity according to claim 1, is characterized in that, described ARINC429-USB board card is used for the ARINC429 signal that collects according to certain format coding, and with USB data format output. 3 . The detection device for the output residual oil quantity of a portable aircraft fuel system according to claim 2 , wherein the format includes RZ code, NRZ code, and NRZI code. 4 . 4. The detection device of a portable aircraft fuel system outputting residual oil quantity according to claim 1, wherein the USB cable (4) is used to connect the ARINC429-USB board (3) with the portable industrial control The computer (5) is connected, and the USB format data is transmitted to the portable industrial computer (5). 5 . The detection device for outputting residual oil quantity of a portable aircraft fuel system according to claim 1 , wherein the portable industrial computer ( 5 ) is used to process, display and save the collected data. 6 . 6. the detection method of a kind of portable aircraft fuel system output residual oil quantity as described in any one of claim 1-5, is characterized in that, comprises the steps: S01, ARINC429 signal acquisition: connect the board connector (2), ARINC429-USB board (3), USB cable (4), and connect the adapter plug (1) connected to the board connector (2) To the test plug of the aircraft fuel system, and turn on the working power; S02. Convert the ARINC429 bus to a USB bus: connect the board connector (2) to the ARINC429-USB board (3), and use the USB cable (4) to connect the portable industrial computer (5) and the ARINC429-USB board ( 3), click on the test interface to open the ARINC429-USB board (3), and convert the ARINC429 bus signal into a USB bus signal; S03. Receive and convert the USB bus data in real time into a coordinate system for display: click the button to receive data on the test interface, complete the data calculation, calculate the data into physical quantities, establish coordinates according to the calculated physical quantity data, and obtain the , The average data after establishment and calculation are displayed on the coordinates, the horizontal axis is the time, the vertical axis is the remaining fuel mass, and the curve in the coordinates represents the change of the remaining fuel with time. S06, save the test picture: after the test is completed, the test picture is automatically saved.

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