Vehicle wireless sensor system and detection method thereof

Abstract

The invention relates to a vehicle wireless sensor system and a detection method thereof, in particular to vehicle status detecting system and a detection method thereof based on the ZigBee wireless sensor network and the GPRS wireless data transmission network. The vehicle wireless sensor system comprises a transmission unit and a reception unit. The transmission unit comprises a wireless humidity sensor and a wireless door-closing / opening sensor. The wireless humidity sensor is arranged at an air returning opening of an air conditioner in the carriage. The wireless door-closing / opening sensor is arranged in the carriage and triggered by a door magnetic signal. The reception unit adopts a wireless data collector arranged on the vehicle body. The detection method of the vehicle wireless sensor system comprises the following steps: 1) after the reception unit is electrified, the transmission unit is triggered and then transmits a radio frequency signal, and the reception unit receives and verifies the radio frequency signal; 2) the reception unit analyzes the received data; and after the reception of correct data frames from a transmitter and the processing of step 2), the reception unit transmits the data through RS232 level to a GPS vehicle terminal.

Description

technical field [0001] The present invention relates to a vehicle-mounted wireless sensor system and a detection method thereof, which is a vehicle state detection system and a detection method thereof based on a ZigBee wireless sensor network and a GPRS wireless data transmission network, and is applicable to a vehicle-mounted wireless sensor system for detecting the vehicle state , especially for vehicle status detection in the transportation industry. Background technique [0002] At present, most of the on-site status transmission through GPS is to use wired sensors to collect on-site data, which leads to each sensor having a set of wiring harnesses connected to the GPS vehicle-mounted terminal. If there are more than four sensors, there will be four sets of wires connected to the GPS vehicle terminal, and some sensors are far away from the GPS vehicle terminal, which makes the installation of sensors on the GPS vehicle terminal very complicated, high in cost, and diffic...

AI Technical Summary

Problems solved by technology

If there are more than four sensors, there are four sets of wires connected to the GPS vehicle terminal, and some sensors are far away from the GPS vehicle terminal, which makes the installation of sensors on the GPS vehicle terminal very complicated, costly, and difficult to guarantee reliability.

Most of the existing GPS vehicle-mounted terminal sensors use wired forms to measure speed, switches, and signals, which leads to each sensor having a signal line connected to the GPS vehicle-mounted terminal

If there are multiple sensors, there will be the same number of wires connected to the GPS vehicle terminal, resulting in troublesome installation. A large number of signal wires need to be installed in the vehicle, which also reduces the reliability of the sensors.

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