Temperature detecting method based on passive wireless RF temperature sensor
A temperature sensor, passive wireless technology, applied in the field of temperature detection based on passive wireless radio frequency temperature sensor, can solve the problems of low safety factor of temperature detection, limitation of temperature sensor range, etc., and achieve the effect of good linear relationship
Inactive Publication Date: 2018-11-20
HUBEI UNIV OF TECH
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Abstract
The invention discloses a temperature detecting method based on a passive wireless RF temperature sensor. A device according to the method comprises an acquisition module, a transmission module and atemperature sensor. The acquisition module is connected with the temperature sensor through the transmission module. According to the method, through communication between a temperature acquisition device in the acquisition module and the temperature sensor, temperature data are acquired and uploaded. The temperature acquisition device is connected with a temperature acquisition device antenna through an RF cable. The temperature acquisition device antenna is connected with the temperature acquisition device through an RF cable. A transceiving temperature acquisition device for the RF signal transmits the RF signal in a specific frequency range to periphery through the temperature acquisition device antenna. The temperature sensor receives an exciting signal which accords with a self resonance frequency and reflects an RF signal with temperature information. After the temperature acquisition device receives the RF signal reflected from the temperature sensor, the temperature acquisition device performs signal conditioning and data processing, thereby acquiring real-time temperature information acquired from the corresponding temperature sensor.
Application Domain
Thermometers using physical/chemical changes
Technology Topic
Data processingSelf resonance frequency +2
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