Sensor and sensor network for an aircraft

摘要

The invention relates to a sensor network in an aircraft, which comprises several sensor nodes that communicate with a central data collection and evaluation unit via a radio transmission path. Data transmission can take place in various ways. For example, different frequency ranges are provided, from which the respective frequency range enabling the best data transmission quality is selected.

主权项

1. A sensor node for a wireless sensor network for acquiring measured values in an aircraft, wherein the sensor node comprises:
a sensor unit for acquiring the measured values; a power supply unit for supplying the sensor node with electrical energy; and a transmitting and receiving unit for wirelessly transmitting the acquired measured values to a central data collection and evaluation unit; wherein the transmitting and receiving unit is configured to transmit the acquired measured values in two or more separate frequency ranges and to automatically change the frequency range for transmission when a flight status of the aircraft changes, and wherein the sensor node is configured to perform an active route determination to build a new communication path via adjacent sensor nodes that are within signal range should a communication link between the sensor node and the central data collection and evaluation unit fail.