Method and system for ventilating and heating aeroplane cargo cabin

Abstract

The invention provides a system for ventilating and heating aeroplane cargo cabin. The system comprises a first temperature sensor for detecting the temperature inside the cargo cabin, a heating fan, a heat exchanger, a ventilating fan, heating elements mounted under the floor of the cargo cabin, and a controller, which is used for determining the rotating speed of the heating fan and starting the heating fan when the temperature inside the cargo cabin is lower than a set temperature, wherein the heating fan can blow hot air into the hot side of the heat exchanger to heat air on the cold side of the heat exchanger, which comes from the inside and the surrounding area of the cargo cabin, to generate ventilating air for heating the cargo cabin; the hot air passing through the hot side of the heat exchanger is distributed to the bottom of the cargo cabin through the heat elements to heat the bottom of the cargo cabin; the ventilating air for heating the cargo cabin is distributed into the cargo cabin through the ventilating fan to heat the cargo cabin.

Description

technical field [0001] The invention relates to a method and a device for ventilating and heating aircraft cargo compartments. Background technique [0002] Due to the wide range of commercial aircraft operating, special operating environment, and large changes in the external environment, when the aircraft is in the cruising state, the temperature in the cargo compartment will drop as the external temperature drops sharply. Under normal cruising conditions, the air temperature outside the aircraft is between -30°C and -70°C. Since there are no heating devices and organisms inside the cargo compartment, if the cargo compartment is not ventilated and heated, the temperature of the aircraft cargo will drop below 0°C. Live animals would not be able to withstand such low temperatures for long periods of time if they were to be transported in the cargo hold of an aircraft. Therefore, when the aircraft has the requirement of transporting living things, the cargo compartment of th...

AI Technical Summary

Problems solved by technology

Both of these methods require the consumption of electrical power of the aircraft or hot trim air from the engine, which will eventually indirectly increase the fuel consumption of the aircraft

In addition, these two cargo hold heating methods are affected by the cargo loaded inside the cargo hold, the ventilation air circulation is not smooth, the heating efficiency of the cargo hold is low, the heat dissipation at the bottom of the hold is large, and the temperature uniformity in the hold is poor

Images