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The black box is one of the electronic recording devices used by aircraft. There are two black boxes, the cockpit voice recorder and the flight data recorder. The mechanical parts of the aircraft and the electronic instruments are connected with sensors. It can record the voice conversation half an hour before the plane stops working or crashes, and flight parameters such as flight altitude, speed, heading, climb rate, descent rate, acceleration, fuel consumption, landing gear retraction, Greenwich time, and aircraft system working conditions and engine working parameters for two hours, and decode the recorded content if necessary. It is used for flight experiment and accident analysis. Black boxes have thick steel plates and many layers of insulation, impact and compression protection, and are usually installed in the safest part of the tail of the aircraft. The recording medium has also been improved from magnetic tape to static storage recorders that can withstand greater impact, similar to memory chips in computers, to prevent the black box from being damaged in a plane crash.
System requirement
1. With strong impact resistance, penetration resistance, high temperature fire resistance, deep sea pressure resistance, seawater immersion resistance, corrosion resistance to liquid immersion and other special protection capabilities, can save its internal storage information in various aircraft accidents.
2. After the aircraft is powered on, the black box will automatically start to work and record the operation and status information of the relevant systems of the aircraft, the operation information of the flight personnel and the relevant audio and video information on the plane, which is not controlled by the personnel.
3. According to the requirements of civil aviation, the data of the black box is collected from the aircraft sensors and related systems in real time. The flight data of at least 25 hours before the power failure and the audio data of 2 hours must be retained.
Shangcon Solution
Core module + backboard
System Characteristics:
1. High integration and rich interfaces
2. Low power consumption, no fan design
3. Support wide temperature
System Architecture
