Vehicle wireless sensor system and detection method thereof

A vehicle-mounted wireless and sensor technology, applied in signal transmission systems, instruments, measuring devices, etc., can solve problems such as troublesome installation, high cost, and difficulty in ensuring reliability, and achieve strong network scalability, prevention of goods deterioration, and reasonable design Effect

Inactive Publication Date: 2009-09-23
TIANZE INFORMATION IND
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  • Abstract
  • Description
  • Claims
  • Application Information

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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...

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  • Vehicle wireless sensor system and detection method thereof
  • Vehicle wireless sensor system and detection method thereof

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Embodiment Construction

[0014] Refer to attached Figure 1~2 , The wireless sensor system of the present invention includes a transmitting unit and a receiving unit. The transmitting unit includes a wireless temperature and humidity sensor and a wireless door switch sensor. The wireless temperature and humidity sensor is installed at the return air outlet of the air conditioner in the compartment to measure the temperature and humidity, and send the temperature and humidity data to the receiving unit within a set time interval. The wireless door switch sensor is set in the compartment to detect the switch state of the corresponding door. The wireless door switch sensor is triggered by the door magnetic signal. When the door switch state changes, the door magnetic signal is triggered, and the door open signal is sent to the receiving unit. Signal. The receiving unit adopts a wireless data collector. The wireless data collector is concealedly installed on the vehicle body to receive the radio freque...

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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...

Claims

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Application Information

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IPC IPC(8): G08C17/02G01D21/02
Inventor 陈进叶柏桓夏仲钟
Owner TIANZE INFORMATION IND
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