Patent ID: 9701325
Date: 2017-07-11
CPC Classifications: B61K,B61L,G01D,G01M,H02K,H02N

Claim:
1. A railroad vehicle monitoring system installed on a railroad vehicle, comprising: wireless sensor devices respectively installed at attached equipment of the railroad vehicle, including a sensor that senses statuses of the attached equipment of the railroad vehicle, and configured to wirelessly transmit a sensing value sensed by the sensor in real time; sink node devices configured to wirelessly receive the sensing value from at least one of the wireless sensor devices and output, in real time, railroad vehicle status information obtained by integrating the received sensing value; and a vehicle status monitoring device configured to receive the railroad vehicle status information from at least one of the sink node devices, integrate the railroad vehicle status information, and output the integrated railroad vehicle status information in real time, wherein the wireless sensor devices include an energy harvester configured to collect at least one kind of energy generated by running of the railroad vehicle, convert the collected energy into electric energy, and supply the electric energy as a power source for the wireless sensor devices.